Violent EF-4 tornado causes severe damage at St. Louis' airport

By: Dr. Jeff Masters , 3:25 PM GMT on April 23, 2011

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A violent EF-4 tornado ripped through St. Louis near 8pm local time Friday night, severely damaging Lambert International Airport. The airport, the world's 30th busiest, may be closed for several days. The tornado ripped off the roof from Concourse C, blew out more than half of the windows in the main terminal, and moved an aircraft that was parked at a gate twenty feet. So far, only minor injuries due to flying glass have been reported from the tornado. The tornado also passed over nearby residential areas, causing severe damage. The National Weather Service office in St. Louis has rated the damage from the St. Louis tornado EF-4, making the twister the first violent EF-4 tornado of the year. Softball-sized hail also pelted three towns in Missouri--Hermann, Big Spring, and Warrenton--during Friday night's severe weather outbreak. NOAA's Storm Prediction Center logged 24 tornado reports Friday in Oklahoma, Arkansas, Missouri, Illinois, and Kentucky. The cold front responsible for triggering last night's severe weather will remain draped over the nation's mid-section for the next three days, and a slight risk of severe weather is predicted along a swath from Texas to Ohio both Saturday and Sunday. A more substantial risk of severe weather is likely on Tuesday through Wednesday, as a new, more powerful spring storm system gathers strength over the Midwest.


Figure 1. Radar reflectivity image of the EF-4 St. Louis tornado taken near 8pm local time on Friday, April 22, 2010. This image is from the high-resolution Terminal Doppler Radar (TDR) at the St. Louis Airport, and shows very fine details of the tornado, which displays a classic hook echo here.


Figure 2. Radar Doppler velocity image of the St. Louis tornado taken near 8pm local time on Friday, April 22, 2010. This image is from the high-resolution Terminal Doppler Radar (TDR) at the St. Louis Airport, located at the "+" sign on the image. Green colors denote areas where precipitation is moving towards the radar, and red and yellow colors show where precipitation is moving away from the radar. Pink colors are bad data regions. The small couplet of greens right next to reds is where the tornado was, since the tight vortex had winds moving towards the radar and away from the radar. The area marked "RFD" shows where a Rear-Flank Downdraft (RFD) was occurring behind the tornado. The downdraft hit the ground to the west of the radar site and spread out in all directions, creating a diverging area of winds moving both towards and away from the radar. An area of air flowing into the tornado on the SE side is marked "Inflow." Thanks go to Dr. Rob Carver, wunderground's tornado expert, for annotating this image.


Figure 3.
Remarkable video from a security camera at the St. Louis airport showing the roof being torn off Concourse C.


Figure 4. Severe damage characteristic of at least a strong EF-2 tornado is apparent from this helicopter view of residential St. Louis neighborhoods taken by KMOV.

Jeff Masters

Lambert St. Louis Tornado Damage (WindyCityBob)
Taken after the good friday tornado at Lambert Field St.Louis, MO
Lambert St. Louis Tornado Damage

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This is going to get UGLY.

The Mexican low has started moving NE and has convection near it's core, which it didn't have yesterday.

And 91L's pathetic looking ghost is going to start pumping even more low level moisture along that ridge. You can already see it happening. More important tomorrow and the next day though.

We got clouds coming off the Gulf over Louisiana headed north through Mississippi right towards Tennessee and Kentucky where they already have flooding. Probably gonna pop a few hours from now in northern Mississippi or Tennessee.

All these trains of moisture are going to converge right back in the same spot again.
Member Since: April 12, 2011 Posts: 0 Comments: 214
Early afternoon,

For those that were watching 91L, I posted a full history of it (tracing it as far back as I could go), still watching the remnant swirl moving WSW toward Bahamas, but inconsequential right now....

Meanwhile, these tornadoes and severe weather are absolutely nuts. Had a close call with that tornado in Raleigh last week (live in the area), and that was at EF-3 at most. And to see the St. Louis tornado be at EF-4! Man!

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Last 7 days of precipitation NWS estimate



Last 2 days of precipitation TRMM satellite estimate


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OPPS SAME VIEDO POSTED IN BLOG ABOVE REMOVED
Member Since: July 15, 2006 Posts: 176 Comments: 55519
Looks like they found some of the inner concrete containment for reactor 3 that blew up. They are still trying to stick with the hydrogen explosion excuse when it is pretty obvious what happened. "Tokyo Electric Power Company, or TEPCO, says its workers detected radioactivity of 900 millisieverts per hour being emitted from a 30-by-30 centimeter concrete fragment, 5 centimeters thick, on Wednesday."

Link
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wow new york city temp is 75F AT 12pm..
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459:

I don't think that's the same system.

The ex-invest 91L is moving to quickly to be that system. 91L is going to be passing the Florida Straights in just under 48 hours at it's present speed.


I think that model is picking up the blob of convection which is currently near 22N 54W. That's what the CMC showed yesterday and the day before anyway.

It is going to get picked up by the ridge as the ULL moves out of the way. It just has to avoid getting blasted by that jet of shear just to it's south for today and then it should be better. 91L has "slightly" moistened up the environment ahead of it.
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First image NAM 36 hr. This one GFS 42 hr



Look at our ex invest in the Bahamas
Member Since: August 7, 2010 Posts: 0 Comments: 1956
Member Since: August 7, 2010 Posts: 0 Comments: 1956
Quoting AllyBama:
Happy Easter everyone!

Wishing everyone a most blessed day. Enjoy your family time, egg hunts and delicious meals! For those of you in the areas where severe weather may occur, please take heed. I will be praying for you..May God bless you..
Happy Easter to you..:)
Member Since: September 27, 2007 Posts: 1 Comments: 22259
Happy Easter everyone!

Wishing everyone a most blessed day. Enjoy your family time, egg hunts and delicious meals! For those of you in the areas where severe weather may occur, please take heed. I will be praying for you..May God bless you..
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452:

Yeah, that's going to be a mess.

Only good thing about it is the worst of it will be offset a few hundred miles south of yesterday's worst.
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454. beell
Current SPC DAY 1 Outlook

click for discussion



Current SPC DAY 2 Outlook

Member Since: September 11, 2007 Posts: 145 Comments: 16918


LATEST TORNADO OUTLOOK
TWS TORNADO FORECAST CENTER
TheWeatherSpace.com
12:00 AM CDT SUN APR 24 2011

EFFECTIVE SUNDAY ...

THERE IS A MODERATE RISK OF TORNADOES ACROSS WEST-CENTRAL KENTUCKY FOR SUNDAY EVENING ...

CLICK HERE FOR SUNDAY'S T.R.A.M. OUTPUT IMAGE ...

THE MODERATE RISK ZONE ... ONE THING THAT WILL BE TOUGH WILL BE EXACTLY WHAT WILL HAPPEN IN WEST-CENTRAL KENTUCKY ON SUNDAY EVENING. THERE ARE MANY THINGS IN PLACE TO SUGGEST A DAMAGING TORNADO WITH THE STORMS THAT HIT THERE PENDING EVERYTHING WORKS OUT EXACTLY LIKE THIS ...

FIRST AND FOREMOST WILL BE THE MESO LOW FORMING IN WESTERN KENTUCKY ALONG THE STATIONARY FRONT. SHOULD THIS HAPPEN, THUNDERSTORMS COMING OUT OF MO/AR/TN WILL ENCOUNTER A SOUTHEAST FLOW AT THE SURFACE AS THEY CROSS TO THE SOUTH AND EAST OF THE MESO LOW ... THIS WILL BRING STRONG LOW LEVEL SHEAR TO THE AREA FOR A COUPLE OF HOURS, BRINGING A TORNADO THREAT ON TOP OF THE STRONG INSTABILITY ...

NOW EXACTLY HOW STRONG THE TORNADO WILL BE WILL DEPEND ON MANY FACTORS, HOWEVER I DO REMEMBER STRONG TORNADOES EMBEDDED IN LINES OF STORMS IN THE PAST, AND SOME HAVE BEEN UP TO EF3 AND EF4.

Entire detailed forecast
Link
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Complete Update





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Quoting RandomText:
It's really got a good tap on the Gulf now. Even better than last night.

Watch the low and mid level clouds zooming northward in the western gulf.

RGB

The flare ups might start earlier today, all that energy and moisture has got to go somewhere.

All of that would probably be Thunderstorms right now if not for so much shear blowing off the tops of the clouds.
Even after this major weather event passes, models have the same areas being hit repeatedly with heavy rain and severe weather...This could end up being one for the record books...Check this out...Link
Member Since: September 27, 2007 Posts: 1 Comments: 22259
Good morning everyone- Happy Easter. Just got back from Sea World and catching up on the world of weather before the kids and grand kids come back over to hit the lake and go tubing.
This week is going to get very interesting for a lot of folk. We are going to see a lot of flooding and severe weather. I see nothing coming down the pike that is going to change that until the end of the week
Member Since: August 7, 2010 Posts: 0 Comments: 1956
It's really got a good tap on the Gulf now. Even better than last night.

Watch the low and mid level clouds zooming northward in the western gulf.

RGB

The flare ups might start earlier today, all that energy and moisture has got to go somewhere.

All of that would probably be Thunderstorms right now if not for so much shear blowing off the tops of the clouds.
Member Since: April 12, 2011 Posts: 0 Comments: 214
Quoting hydrus:
That was wonderful..Thanx..:)
This whole region is saturated and primed for a major flooding event...If the models are even 50% correct, there will probably be loss of life.
Member Since: September 27, 2007 Posts: 1 Comments: 22259
Quoting TampaSpin:


Its been very consistent for the past couple of days. Models are for sure showing a lot of rain. IF this does occur as you said LIVES WILL BE CHANGED!


Yeah I mean here in Florida that kind of rain usually just means temporary street flooding and overflowing of creeks and rivers. But up there that can be catastrophic...
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Aussie- that was fun! thank you!
Member Since: August 13, 2005 Posts: 175 Comments: 26491
Quoting trHUrrIXC5MMX:


6 TO 10 INCHES?!


HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PADUCAH KY
542 AM CDT SUN APR 24 2011

ILZ075>078-080>094-INZ081-082-085>088-KY Z001>022- MOZ076-086-087-
100-107>112-114-251000-
JEFFERSON-WAYNE IL-EDWARDS-WABASH-PERRY IL-FRANKLIN-HAMILTON-
WHITE-JACKSON-WILLIAMSON-SALINE-GALLATIN-UNION IL-JOHNSON-POPE-
HARDIN-ALEXANDER-PULASKI-MASSAC-GIBSON-PIKE-POSEY -VANDERBURGH-
WARRICK-SPENCER-FULTON-HICKMAN-CARLISLE-BALLARD-M CCRACKEN-GRAVES-
LIVINGSTON-MARSHALL-CALLOWAY-CRITTENDEN-LYON-TRIG G-CALDWELL-
UNION KY-WEBSTER-HOPKINS-CHRISTIAN-HENDERSON-DAVIESS-MCL EAN-
MUHLENBERG-TODD-PERRY MO-BOLLINGER-CAPE GIRARDEAU-WAYNE MO-CARTER-
RIPLEY-BUTLER-STODDARD-SCOTT-MISSISSIPPI-NEW MADRID-
542 AM CDT SUN APR 24 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHERN
ILLINOIS...SOUTHWEST INDIANA...WESTERN KENTUCKY AND SOUTHEAST
MISSOURI.

.DAY ONE...TODAY AND TONIGHT

A FLASH FLOOD WATCH IS IN EFFECT NORTHWEST OF A MURRAY KENTUCKY TO
GREENVILE KENTUCKY LINE. PERIODS OF HEAVY RAINFALL WILL BE
LIKELY...ESPECIALLY EARLY IN THE MORNING OVER WESTERN KENTUCKY...AND
LATER IN THE AFTERNOON AREA WIDE. PLEASE REFER TO THE FLASH FLOOD
WATCH PRODUCT FOR ADDITIONAL DETAILS.

THERE IS ALSO A SLIGHT RISK OF SEVERE THUNDERSTORMS...MAINLY THIS
AFTERNOON...FOR THE ENTIRE QUAD STATE REGION. SOME OF THIS RISK
WILL DEPEND ON WHETHER THE SUN CAN BREAK OUT TODAY...WHICH WOULD
HELP TO DESTABILIZE THE ATMOSPHERE. IF STORMS DO ERUPT...LARGE
HAIL AND DAMAGING WIND GUSTS WOULD BE THE PRIMARY HAZARDS...THOUGH
AN ISOLATED TORNADO CANNOT BE RULED OUT. TORRENTIAL DOWNPOURS AND
DEADLY LIGHTNING WILL ALSO BE LIKELY IN ANY THUNDERSTORMS.

MOST AREA RIVERS ARE ALREADY EXPERIENCING FLOODING...AND LEVELS
WILL ONLY BE GOING UP WITH THE ADDITIONAL RAINFALL. PLEASE REFER
OUR RIVER FLOOD PRODUCTS AT

HTTP://WATER.WEATHER.GOV/AHPS2/INDEX.PHP?WFO=PAH.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY
A FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH TUESDAY MORNING IN
ALL AREAS NORTHWEST OF A MURRAY KENTUCKY TO GREENVILLE KENTUCKY
LINE. MULTIPLE PERIODS OF THUNDERSTORMS WITH HEAVY RAINFALL WILL
CONTINUE OVER MUCH OF THE QUAD STATE THROUGH MID WEEK...AS SEVERAL
AREAS OF LOW PRESSURE LIFT NORTHEAST ALONG A FRONTAL BOUNDARY THAT
SHOULD REMAIN CLOSE TO THE AREA. SEVERAL INCHES OF RAIN WILL BE
POSSIBLE...ESPECIALLY WHERE THUNDERSTORMS MOVE REPEATEDLY OVER THE
SAME LOCATIONS. ADDITIONAL RAINFALL AMOUNTS OF 6 TO 10 INCHES ARE
POSSIBLE THROUGH MID WEEK.


THE POTENTIAL EXISTS FOR SEVERE STORMS WITH LARGE HAIL...DAMAGING
WINDS AND SOME TORNADOES...ESPECIALLY MONDAY AFTERNOON...MONDAY
NIGHT AND POSSIBLY INTO TUESDAY. A SLIGHT RISK OF SEVERE STORMS
EXTENDS INTO WEDNESDAY OVER MUCH OF WESTERN KENTUCKY



Like I said, I hope this is overkill, cause God help that area if the forecast is right...
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Quoting AussieStorm:
did you click on the link, that will make you laugh
That was wonderful..Thanx..:)
Member Since: September 27, 2007 Posts: 1 Comments: 22259
The naked remnat of the area of interest is moving faster now. West at around 18knts as I estimate it.

With the ridge oriented like it is, this should pass the Florida Straights in about 48 hours at this speed, depending on which way the ridge breaks around that time.

I know it's a nothing, but it's still a swirling mass of relatively wetter air. Not going to become anything classifiable obviously, if it even holds what it's got for the next 48.
Member Since: April 12, 2011 Posts: 0 Comments: 214
Happy Easter all...

Quoting hydrus:
Happy Easter to you Aussie...By the way, I think its cool that I can turn on the computer, and say HAPPY EASTER to some one down under and thousands of miles away...AHHH modern tech is truly amazin stuff..:)
Same here... just chatted with some friends from the Perth area about their eggs and buns.... lol

Best part of the internet for me is being able to talk with people around the world...

Quoting snotly:
Finally somebody understands the true meaning of Easter and not this cute romantic two-dimensional self interested glosses over notion with bunnies hugging eggs or something silly like that.


Lots of pple do, but they're mostly getting ready for church instead of in here...

On the rainfall totals... I hate to say it, but I think the flooding is just a matter of when and where, not IF....

BBL, ya'll. Going to get ready 4 church...
Member Since: October 25, 2005 Posts: 19 Comments: 22682
Quoting RandomText:
St. Louis radar estimated storm totals

Tops 12 inches in several locations. Widespread 9 and 10 inches.

thats a lot of rain in a short time in an area that's had plenty of flooding if i am not correct in my memory.
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Quoting hydrus:
Happy Easter to you Aussie...By the way, I think its cool that I can turn on the computer, and say HAPPY EASTER to some one down under and thousands of miles away...AHHH modern tech is truly amazing stuff..:)
did you click on the link, that will make you laugh
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435- RandomT- none of that bodes well, esp with the next four days they're expecting.
Member Since: August 13, 2005 Posts: 175 Comments: 26491
right
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St. Louis radar estimated storm totals

Tops 12 inches in several locations. Widespread 9 and 10 inches.
Member Since: April 12, 2011 Posts: 0 Comments: 214
Like a spot the size of a few counties on the border of Illinois and Indiana has gotten 6 to 8 inches since yesterday at 8A.M, not counting what they got in the previous 24 hours, which was also around 6 to 8 inches.

If you go to Little Rock, Arkansas radar, then since 8 a.m. yesterday, you'll see a huge shield of 6 inches estimated, with several bands of 10 inches estimated, and a few pockets of isolated 12 inches.

If you click the "Up" arrow you will jump to springfield, Missouri radar, and you'll find that the estimate is consistent, because the second radar is looking at the same cummulative train from the opposite side, and gives 6 to 10 inches estimate, which is slightly less, but in the same ballpark.
Member Since: April 12, 2011 Posts: 0 Comments: 214
Quoting trHUrrIXC5MMX:
So you mean the rainfall can be higher than 5 inches in ONE DAY for these areas?



Yes.

Like I said last night, the weather channel is forecasting up to 5 inches today in that region, and they said today was actually going to be a break compared to tomorrow.

They had isolated areas last night which had radar estimated 24 hour rain totals of 12 inches, and I even saw one area which had a 24 hour total of 15 inches. Although right now you can't see that any more, because the data from the day before yesterday is no longer within the past 24 hours, obviously.

If you check the radar, there are still some pockets that show up as 12 inches for estimated 24 hour total, and much of the time period in the data is actually "lulls" from before the storms of last night.

We're talking about a few isolated areas in Texas, Illinois, and Missouri that are each about the size of a city or maybe a county and they supposedly got anywhere from 12 to 15 inches in 24 hours. The one in Texas was really isolated, but the ones in the Missouri region were isolated spots imbedded in the big shield of 3 to 10 inches over 24 hours.


Now I would argue that the radar is probably slightly over-estimating it, but at one time the 12 and 15 inch totals showed up on 3 seperate radars looking from completely different angles. They were all very consistent.
Member Since: April 12, 2011 Posts: 0 Comments: 214
So you mean the rainfall can be higher than 5 inches in ONE DAY for these areas?

Quoting RandomText:
431:

To be honest, that may even be an under-estimate.

Some of the models last night were showing that much in one day, and then doing it again a day or two later.

I don't know if they've had another run since then, but it looked really bad.
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431:

To be honest, that may even be an under-estimate.

Some of the models last night were showing that much in one day, and then doing it again a day or two later.

I don't know if they've had another run since then, but it looked really bad.
Member Since: April 12, 2011 Posts: 0 Comments: 214
432. IKE
5 day QPF....


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6 TO 10 INCHES?!


HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PADUCAH KY
542 AM CDT SUN APR 24 2011

ILZ075>078-080>094-INZ081-082-085>088-KYZ001>022- MOZ076-086-087-
100-107>112-114-251000-
JEFFERSON-WAYNE IL-EDWARDS-WABASH-PERRY IL-FRANKLIN-HAMILTON-
WHITE-JACKSON-WILLIAMSON-SALINE-GALLATIN-UNION IL-JOHNSON-POPE-
HARDIN-ALEXANDER-PULASKI-MASSAC-GIBSON-PIKE-POSEY -VANDERBURGH-
WARRICK-SPENCER-FULTON-HICKMAN-CARLISLE-BALLARD-M CCRACKEN-GRAVES-
LIVINGSTON-MARSHALL-CALLOWAY-CRITTENDEN-LYON-TRIG G-CALDWELL-
UNION KY-WEBSTER-HOPKINS-CHRISTIAN-HENDERSON-DAVIESS-MCL EAN-
MUHLENBERG-TODD-PERRY MO-BOLLINGER-CAPE GIRARDEAU-WAYNE MO-CARTER-
RIPLEY-BUTLER-STODDARD-SCOTT-MISSISSIPPI-NEW MADRID-
542 AM CDT SUN APR 24 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHERN
ILLINOIS...SOUTHWEST INDIANA...WESTERN KENTUCKY AND SOUTHEAST
MISSOURI.

.DAY ONE...TODAY AND TONIGHT

A FLASH FLOOD WATCH IS IN EFFECT NORTHWEST OF A MURRAY KENTUCKY TO
GREENVILE KENTUCKY LINE. PERIODS OF HEAVY RAINFALL WILL BE
LIKELY...ESPECIALLY EARLY IN THE MORNING OVER WESTERN KENTUCKY...AND
LATER IN THE AFTERNOON AREA WIDE. PLEASE REFER TO THE FLASH FLOOD
WATCH PRODUCT FOR ADDITIONAL DETAILS.

THERE IS ALSO A SLIGHT RISK OF SEVERE THUNDERSTORMS...MAINLY THIS
AFTERNOON...FOR THE ENTIRE QUAD STATE REGION. SOME OF THIS RISK
WILL DEPEND ON WHETHER THE SUN CAN BREAK OUT TODAY...WHICH WOULD
HELP TO DESTABILIZE THE ATMOSPHERE. IF STORMS DO ERUPT...LARGE
HAIL AND DAMAGING WIND GUSTS WOULD BE THE PRIMARY HAZARDS...THOUGH
AN ISOLATED TORNADO CANNOT BE RULED OUT. TORRENTIAL DOWNPOURS AND
DEADLY LIGHTNING WILL ALSO BE LIKELY IN ANY THUNDERSTORMS.

MOST AREA RIVERS ARE ALREADY EXPERIENCING FLOODING...AND LEVELS
WILL ONLY BE GOING UP WITH THE ADDITIONAL RAINFALL. PLEASE REFER
OUR RIVER FLOOD PRODUCTS AT

HTTP://WATER.WEATHER.GOV/AHPS2/INDEX.PHP?WFO=PAH.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY
A FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH TUESDAY MORNING IN
ALL AREAS NORTHWEST OF A MURRAY KENTUCKY TO GREENVILLE KENTUCKY
LINE. MULTIPLE PERIODS OF THUNDERSTORMS WITH HEAVY RAINFALL WILL
CONTINUE OVER MUCH OF THE QUAD STATE THROUGH MID WEEK...AS SEVERAL
AREAS OF LOW PRESSURE LIFT NORTHEAST ALONG A FRONTAL BOUNDARY THAT
SHOULD REMAIN CLOSE TO THE AREA. SEVERAL INCHES OF RAIN WILL BE
POSSIBLE...ESPECIALLY WHERE THUNDERSTORMS MOVE REPEATEDLY OVER THE
SAME LOCATIONS. ADDITIONAL RAINFALL AMOUNTS OF 6 TO 10 INCHES ARE
POSSIBLE THROUGH MID WEEK.


THE POTENTIAL EXISTS FOR SEVERE STORMS WITH LARGE HAIL...DAMAGING
WINDS AND SOME TORNADOES...ESPECIALLY MONDAY AFTERNOON...MONDAY
NIGHT AND POSSIBLY INTO TUESDAY. A SLIGHT RISK OF SEVERE STORMS
EXTENDS INTO WEDNESDAY OVER MUCH OF WESTERN KENTUCKY
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Heavy rain (+5" for the MS-Ohio River area). Parts of Missouri and Illinois would deal with flooding in the next 2-4 days. Not a good thing though.


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Quoting snotly:
Finally somebody understands the true meaning of Easter and not this cute romantic two-dimensional self interested glosses over notion with bunnies hugging eggs or something silly like that.




I mean.. I just looked up a random Easter picture, that was the 1st one I saw... Isn't cute?, I love Easter by the way
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Finally somebody understands the true meaning of Easter and not this cute romantic two-dimensional self interested glosses over notion with bunnies hugging eggs or something silly like that.


Quoting trHUrrIXC5MMX:
HAPPY EASTER EVERYONE!!!

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Quoting AussieStorm:
Happy Easter All
Happy Easter to you Aussie...By the way, I think its cool that I can turn on the computer, and say HAPPY EASTER to some one down under and thousands of miles away...AHHH modern tech is truly amazin stuff..:)
Member Since: September 27, 2007 Posts: 1 Comments: 22259
That's Celsius: ~196degreesFahrenheit down to ~151degressFahrenheit.
On the other hand, TEPCO officials announced that the spent fuel cooling pond (on an upper floor) needs to be shored up by support columns due to structural damage to the reactor#4building that could allow collapse in the event of another strong and/or shallow&nearby earthquake.
They are now (at last) also assessing the amount of water poured into the pool because of concern that the weight of the water might cause further damage to the reactor building.
Yet TEPCO must continue to just monitor the situation until the radiation level is decreased enough to allow steel/cement/etc workers into the building.
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Water in spent fuel storage pool at Fukushima Daiichi reactor no. 4 has been cooled from 91 degrees to 66 degrees over the past few days. Finally a bit of good news.
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Happy Easter All.

A squall came through here in Barbados last night, strong rain and surprising winds, but lasted only a couple of hours.

Very weird at this time of year, not really the rain, but the intensity of it and the accompanying winds.

The trees were blowing as if a tropical storm was starting to come through.

I definitely think something is up with this coming cane season.

We'll see.

Now morning has come, the sky is a bit cloudy, but quite bright indeed, probably be like yesterday, sunny and really hot.
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Happy Easter All
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Quoting NCHurricane2009:
Early morning all,

For those that were watching tropical disturbance Invest 91L, just posted a full synoptic history of it so far, tracing it back as far as I could as to where it came from...(link here)


Nicely done.
Member Since: November 24, 2005 Posts: 635 Comments: 26698
This should actually be right in front of x-91L, about 2 degrees to the west of LLC.

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Quoting NCHurricane2009:
Early morning all,

For those that were watching tropical disturbance Invest 91L, just posted a full synoptic history of it so far, tracing it back as far as I could as to where it came from...(link here)


Always enjoy reading these.
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Unfortunately we lost half the latest frame.

It's really tapped in now and has almost unbroken convection along the whole system.
Member Since: April 12, 2011 Posts: 0 Comments: 214
Early morning all,

For those that were watching tropical disturbance Invest 91L, just posted a full synoptic history of it so far, tracing it back as far as I could as to where it came from...(link here)
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A few minutes ago, TWC said it was going to rain another 1 to 5 inches on Sunday in all the same areas...

And they said that Monday was going to be even more.

Sunday was going to be a "break day," they said.
Member Since: April 12, 2011 Posts: 0 Comments: 214
Quoting Jedkins01:


I know there will training of systems, but seriously I think the HPC is going a little overkill there. If it rains that much it may be historic flooding. It could happen but it seems more in the possible category rather than probable. Lets hope rainfall does fall well short of that. Because if that forecast is right lives may be lost from flooding in the coming days.


Its been very consistent for the past couple of days. Models are for sure showing a lot of rain. IF this does occur as you said LIVES WILL BE CHANGED!
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Jeff co-founded the Weather Underground in 1995 while working on his Ph.D. He flew with the NOAA Hurricane Hunters from 1986-1990.

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