Poolesville, MD

12:35 AM EST on February 12, 2012 (GMT -0500)
Elev: 341 ft
Lon: 77.4° W
Lat: 39.1° N
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Active Advisory: Wind Advisory,  Special Statement (US Severe Weather) Active Notice: Public Information Statement
Tropical Weather: Tropical Cyclone Giovanna (South Indian Ocean) Tropical Cyclone Jasmine (Southern Pacific)
Weather Summary
Kari Kiefer
Weather Underground midday recap for Saturday, February 11, 2012.

Cold air poured into the Plains on Saturday, while snow showers developed in parts of the Northeast. A strong low pressure system that brought heavy rain to the Southern Plains and Southeast has advanced eastward and off the East Coast into the Atlantic Ocean. However, counter-clockwise flow around this system continued to push moisture into the Northeast, Great Lakes, and Ohio River Valley. In addition to cool air over the region, this allowed for snow showers to develop across Michigan and the Ohio River Valley. Snowfall accumulations ranged from 1 to 3 inches in most areas, with up to 5 inches at higher elevations of the Central Appalachians. Coastal regions remained slightly warmer, which maintained light rain showers from southern Maine through Virginia.

Behind this system, a dominant ridge of high pressure continued to build over the Plains. This system started to stretch eastward over the Mississippi Valley. Flow around this system pulled cold air in from central Canada and kept seasonable cool temperatures over the Central US. High temperatures only reached into the 30s in parts of northern Texas, while the Central and Northern Plains saw highs in the teens, with overnight lows in the negative teens.

Out West, cool conditions persisted with areas of wet weather as a trough of low pressure moved over the Pacific Northwest and into the Intermountain West and Great Basin. Rainfall totals and high elevation snow accumulation remained light. A few light rain showers extended into California as moist onshore flow persisted.
Weather Underground midday recap for Saturday, February 11, 2012.

Cold air poured into the Plains on Saturday, while snow showers developed in parts of the Northeast. A strong low pressure system that brought heavy rain to the Southern Plains and Southeast has advanced eastward and off the East Coast into the Atlantic Ocean. However, counter-clockwise flow around this system continued to push moisture into the Northeast, Great Lakes, and Ohio River Valley. In addition to cool air over the region, this allowed for snow showers to develop across Michigan and the Ohio River Valley. Snowfall accumulations ranged from 1 to 3 inches in most areas, with up to 5 inches at higher elevations of the Central Appalachians. Coastal regions remained slightly warmer, which maintained light rain showers from southern Maine through Virginia.

Behind this system, a dominant ridge of high pressure continued to build over the Plains. This system started to stretch eastward over the Mississippi Valley. Flow around this system pulled cold air in from central Canada and kept seasonable cool temperatures over the Central US. High temperatures only reached into the 30s in parts of northern Texas, while the Central and Northern Plains saw highs in the teens, with overnight lows in the negative teens.

Out West, cool conditions persisted with areas of wet weather as a trough of low pressure moved over the Pacific Northwest and into the Intermountain West and Great Basin. Rainfall totals and high elevation snow accumulation remained light. A few light rain showers extended into California as moist onshore flow persisted.
Weather Underground Broadcast Network
Poolesville Weather at a Glance
Updated 12:34 AM EST
Weather Station - report
Broad Run, Potomac Falls
Elevation
111 ft
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Now
Overcast
Overcast
Temperature
23.5 °F
Feels Like 16 °F
Wind(mph)
6.0
Sunrise / Set
7:05 AM
5:42 PM
Moon
Waning Gibbous
Tonight
Partly Cloudy 20 °F
Partly Cloudy
Sunday
Partly Cloudy 34 °F
Partly Cloudy
Sunday Night
Clear 20 °F
Clear
Monday
Clear 41 | 27 °F
Clear
Tuesday
Chance of Rain 41 | 32 °F
Chance of Rain
20% chance of precipitation
Wednesday
Mostly Cloudy 49 | 31 °F
Mostly Cloudy
Today is forecast to be nearly the same temperature as yesterday.
Conditions
Pressure
29.82 in
Visibility
10.0 miles
Clouds
Scattered Clouds 2600 ft
Scattered Clouds 3400 ft
Overcast 6000 ft
Moisture
Humidity
66%
Rainfall
0.00 in
Snow Depth
Not available.
METAR
METAR KJYO 120515Z AUTO 33022G31KT 10SM SCT026 SCT034 OVC060 M05/M11 A2993 RMK AO2
Don't speak METAR? Read our FAQ.
Weather Radio
Launch Weather Radio
Temperature
Windchill
16 °F
Dew Point
14 °F
Wind
Speed / Dir
6.0 mph from NNE
Wind Gust
8.0 mph
Health
UV
0 out of 16
Pollen
.40 out of 12
Pollen Forecast
Air Quality
Not available.
Flu Activity
Local Activity
View Flu Map
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Regional Forecast for Montgomery
Sunday
partlycloudy Mostly sunny and blustery. Highs in the lower 30s. Northwest winds 15 to 25 mph with gusts up to 40 mph.
Sunday Night
nt_sunny Mostly clear. Lows in the lower 20s. West winds 15 to 20 mph. Gusts up to 40 mph in the evening.
Monday
sunny Sunny. Highs in the lower 40s. West winds 10 to 15 mph.
Monday Night
nt_partlycloudy Partly cloudy in the evening...then becoming mostly cloudy. Lows in the upper 20s. West winds 5 to 10 mph...becoming northwest after midnight.
Tuesday
cloudy Cloudy. Highs in the lower 40s.
Tuesday Night
nt_cloudy Mostly cloudy. Lows in the lower 30s.
Wednesday
cloudy Mostly cloudy. Highs in the upper 40s.
Wednesday Night
nt_cloudy Mostly cloudy. Lows in the lower 30s.
Thursday
chancesnow Mostly cloudy with a chance of snow showers. Highs in the upper 40s. Chance of snow 30 percent.
Thursday Night
nt_snow Mostly cloudy with a chance of rain or snow showers. Lows in the upper 30s. Chance of precipitation 40 percent.
Friday
partlysunny Partly sunny. Highs in the upper 40s.
Friday Night
nt_sunny Mostly clear. Lows in the lower 30s.
Saturday
partlycloudy Mostly sunny. Highs in the upper 40s.
Source: NWS at 12:30 am EST on February 12, 2012
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Nowcast as of 10:49 PM EST on February 11, 2012
Light snow showers will continue across north central and northeastern Maryland...the northern Shenandoah Valley...and the Washington DC metropolitan area through midnight. The snow will be tapering off along the Pennsylvania border...after leaving behind a quarter to half inch of fresh snow. Gusty winds of 30 to 40 mph...with occasional gusts to 50 mph will temporarily reduce visibilities in the heavier snow showers. Wind chill values will also drop well into the teens and 20s.
Wind Advisory in effect until 7 am EST this morning...
Forecast
View Calendar 7-Day Weather Forecast for 20837
Sunday, 12
Partly Cloudy
34 | 20 °F
Partly Cloudy
Chance of
Precipitation
0%
Monday, 13
Clear
41 | 27 °F
Clear
Chance of
Precipitation
0%
Tuesday, 14
Chance of Rain
41 | 32 °F
Chance of Rain
Chance of
Precipitation
20%
Wednesday, 15
Mostly Cloudy
49 | 31 °F
Mostly Cloudy
Chance of
Precipitation
10%
Thursday, 16
Chance Rain
49 | 38 °F
Chance Rain
Chance of
Precipitation
20%
Friday, 17
Chance of Rain
47 | 31 °F
Chance of Rain
Chance of
Precipitation
20%
Saturday, 18
Partly Cloudy
49 | NA
Partly Cloudy
Chance of
Precipitation
10%
Source: NWS at 12:30 am EST on February 12, 2012
Regional Forecast for Montgomery
Overnight
nt_chancesnow Snow showers likely. Little or no snow accumulation. Blustery with lows around 20. Northwest winds 20 to 25 mph with gusts up to 50 mph. Chance of snow 70 percent.
Sunday
partlycloudy Mostly sunny and blustery. Highs in the lower 30s. Northwest winds 15 to 25 mph with gusts up to 40 mph.
Sunday Night
nt_sunny Mostly clear. Lows in the lower 20s. West winds 15 to 20 mph. Gusts up to 40 mph in the evening.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 22 | 7 31 | 9 31 | 12 26 | 13
Wind 16 mph NW 19 mph WNW 15 mph WNW 9 mph WNW
Humidity 49% 37% 45% 60%
Chance of Precip. 10% 0% 0% 0%
Cloud Cover 27% 33% 25% 14%
Conditions Partly Cloudy Partly Cloudy Clear Clear
Sunrise & Sunset
7:05 AM
5:42 PM
Source: NWS at 12:30 am EST on February 12, 2012
Regional Forecast for Montgomery
Monday
sunny Sunny. Highs in the lower 40s. West winds 10 to 15 mph.
Monday Night
nt_partlycloudy Partly cloudy in the evening...then becoming mostly cloudy. Lows in the upper 20s. West winds 5 to 10 mph...becoming northwest after midnight.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 23 | 13 36 | 13 37 | 16 32 | 17
Wind 6 mph West 12 mph WNW 6 mph West 2 mph West
Humidity 63% 38% 41% 52%
Chance of Precip. 0% 0% 0% 10%
Cloud Cover 9% 6% 8% 43%
Conditions Clear Clear Clear Partly Cloudy
Sunrise & Sunset
7:04 AM
5:43 PM
Source: NWS at 12:30 am EST on February 12, 2012
Regional Forecast for Montgomery
Tuesday
cloudy Cloudy. Highs in the lower 40s.
Tuesday Night
nt_cloudy Mostly cloudy. Lows in the lower 30s.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 30 | 19 39 | 26 39 | 30 36 | 29
Wind 0 mph NW 4 mph ESE 3 mph South 0 mph South
Humidity 65% 61% 71% 78%
Chance of Precip. 10% 20% 20% 20%
Cloud Cover 75% 93% 86% 74%
Conditions Mostly Cloudy Overcast Chance of Rain Mostly Cloudy
Sunrise & Sunset
7:03 AM
5:45 PM
Source: NWS at 12:30 am EST on February 12, 2012
Regional Forecast for Montgomery
Wednesday
cloudy Mostly cloudy. Highs in the upper 40s.
Wednesday Night
nt_cloudy Mostly cloudy. Lows in the lower 30s.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 34 | 31 45 | 34 42 | 34 37 | 32
Wind 0 mph NE 2 mph North 2 mph NNW 0 mph NNE
Humidity 84% 66% 74% 84%
Chance of Precip. 10% 10% 10% 10%
Cloud Cover 86% 78% 78% 66%
Conditions Mostly Cloudy Mostly Cloudy Mostly Cloudy Partly Cloudy
Sunrise & Sunset
7:01 AM
5:46 PM
Source: NWS at 12:30 am EST on February 12, 2012
Regional Forecast for Montgomery
Thursday
chancesnow Mostly cloudy with a chance of snow showers. Highs in the upper 40s. Chance of snow 30 percent.
Thursday Night
nt_snow Mostly cloudy with a chance of rain or snow showers. Lows in the upper 30s. Chance of precipitation 40 percent.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 34 | 29 45 | 35 45 | 39 41 | 40
Wind 1 mph ENE 4 mph ESE 6 mph South 4 mph South
Humidity 84% 71% 83% 85%
Chance of Precip. 10% 10% 30% 30%
Cloud Cover 34% 56% 92% 85%
Conditions Partly Cloudy Chance of Snow Chance of Rain Chance of Snow
Sunrise & Sunset
7:00 AM
5:47 PM
Source: NWS at 12:30 am EST on February 12, 2012
Regional Forecast for Montgomery
Friday
partlysunny Partly sunny. Highs in the upper 40s.
Friday Night
nt_sunny Mostly clear. Lows in the lower 30s.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 38 | 37 46 | 30 41 | 27 37 | 25
Wind 5 mph SW 8 mph WNW 6 mph WNW 4 mph WNW
Humidity 88% 57% 58% 66%
Chance of Precip. 30% 30% 30% 30%
Cloud Cover 77% 53% 51% 23%
Conditions Chance of Snow Chance of Rain Chance of Rain Clear
Sunrise & Sunset
7:00 AM
5:47 PM
Source: NWS at 12:30 am EST on February 12, 2012
Regional Forecast for Montgomery
Saturday
partlycloudy Mostly sunny. Highs in the upper 40s.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 34 | 25 45 | 25 42 | 28 37 | 25
Wind 2 mph WNW 6 mph WNW 5 mph WNW 4 mph WNW
Humidity 69% 46% 57% 66%
Chance of Precip. 10% 10% 10% 30%
Cloud Cover 23% 26% 35% 23%
Conditions Clear Partly Cloudy Partly Cloudy Clear
Sunrise & Sunset
7:00 AM
5:47 PM
BestForecast (what's this?)
Scientific Forecaster Discussion — MOS Weather Graph
Nearby
History & Almanac
February 12, 2012 Max Temp Min Temp
Normal (KIAD) 45 °F 23 °F
Record (KIAD) 74 °F (1999) 3 °F (1964)
Yesterday 42 °F 21 °F
Yesterday's Heating Degree Days: 33
Choose a date
Earthquake Activity
City Distance Mag. Time & Date
No recent earthquake activity has been reported nearby.
Minimum magnitude displayed is 2.5.
More information at USGS.gov
Coastal Water Temperatures
Place Temperature
Washington, DC 43.0 °F
Baltimore, MD 42.1 °F
Solomons Island, MD 43.0 °F
Marine Forecast
Astronomy
Feb. 12, 2012 Rise Set
Actual Time 7:05 AM EST 5:42 PM EST
Civil Twilight 6:37 AM EST 6:10 PM EST
Nautical Twilight 6:06 AM EST 6:41 PM EST
Astronomical Twilight 5:35 AM EST 7:12 PM EST
Moon 11:35 PM EST 9:25 AM EST
Length Of Visible Light 11h 32m
Length of Day
10h 37m
Tomorrow will be 2m 18s longer.
Waning Gibbous, 77% of the Moon is Illuminated
Today
Waning Gibbous
Feb 14
Last Quarter
Feb 21
New
Feb 29
First Quarter
Mar 8
Full
Visit Astronomy
Today's Extremes
State Highs State Lows
45 °F
Salisbury
44 °F
Patuxent River
43 °F
Ocean City
42 °F
Maryland Science Center
41 °F
Baltimore
19 °F
Hagerstown
24 °F
Gaithersburg
24 °F
Baltimore
26 °F
Patuxent River
26 °F
Ocean City
Source: NWS
Snow Depth
Station Depth Elevation
No new snow has been reported.
Snow Depth Reports — Snow Depth Map
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Aviation
City Temp. Conditions Updated
Leesburg 23 °F Overcast 12:15 AM EST
Gaithersburg 19 °F Overcast 12:15 AM EST
Dulles Airport 21 °F Light Snow 12:14 AM EST
Frederick This station is not reporting.
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Flight To ETA Status
GJS3676
San Antonio, TX 		KIAD 12:27AM On Time
TAI590
San Salvador 		KIAD 12:45AM On Time
UAL846
Ezeiza, Buenos Aires Province 		KIAD 06:17AM On Time
UAL860
Sao Paulo 		KIAD 06:39AM On Time
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View U.S. Airport Delays
Type Condition
Flight Rule: VFR (KJYO)
Wind Speed: 22.0 kts.
Wind Dir: 25° (NNE)
Ceiling: 6000 ft

METAR KJYO 120515Z AUTO 33022G31KT 10SM SCT026 SCT034 OVC060 M05/M11 A2993 RMK AO2

View all Reports & Maps
Nearby Events
Event Date Forecast
Wine & Chocolate Pairing 12:00 PM EST 2012-02-12 Clear, 29°F
Valentine Lasagna lunch 12:00 PM EST 2012-02-12 Clear, 29°F
Dan Fisk 8:00 PM EST 2012-02-14 Overcast, 32°F
Tarara's Wine Wednesday 11:00 AM EST 2012-02-15 Partly Cloudy, 43°F
2nd Annual Mardi Gras Celebration 7:00 PM EST 2012-02-17 Mostly Cloudy, 43°F
4th Annual Taste of Greece 4:00 PM EST 2012-02-17 Chance of Rain, 44°F
Event data courtesy eviesays.com
Sports
Event Date Forecast
Budweiser Shootout 8:29 PM EST on February 18, 2012 Partly Cloudy, 63 °F
Gatorade Duel 1 2:19 PM EST on February 23, 2012 Average High 70° F/ 21° C
Event Date Forecast
AT&T Pebble Beach National Pro-Am 8:30 AM PST on February 12, 2012 Mostly Cloudy, 45 °F
Northern Trust Open 8:30 AM PST on February 16, 2012 Clear, 63 °F
AT&T National 8:30 AM EDT on June 28, 2012 Average High 86° F/ 29° C
AT&T National 8:30 AM EDT on June 29, 2012 Average High 87° F/ 30° C
View all Sports Weather
Weather Stations
Station Location Temp. Windchill Dew Point Humidity Wind Precipitation Elevation Updated Type Website
Broad Run, Potomac Falls, VA 23.5 °F 16 °F 14 °F 66% NNE  at  6.0 mph 0.00 in / hr 111 ft 12:34 AM EST Rapid Fire  
Weatherscience.net, Potomac Falls, VA 20.4 °F 9 °F 14 °F 76% WNW  at  10.4 mph 0.00 in / hr 276 ft 12:34 AM EST Rapid Fire
The Vistas, Boyds, MD 21.1 °F 6 °F 11 °F 64% NW  at  18.0 mph 0.00 in / hr 460 ft 12:35 AM EST Rapid Fire
Belmont Country Club, Ashburn, VA 22.7 °F 13 °F 12 °F 62% NNW  at  8.3 mph 0.00 in / hr 302 ft 12:35 AM EST Rapid Fire
APRSWXNET Great Falls VA , Sterling, VA 20 °F 14 °F 17 °F 87% NNW  at  4 mph 0.00 in / hr 321 ft 11:52 PM EST MADIS
Ashburn Village 1, Ashburn, VA 22.6 °F 16 °F 8 °F 52% West  at  5.4 mph 0.03 in / hr 279 ft 12:34 AM EST Rapid Fire  
Cloppers Mill East, Germantown, MD 22.0 °F 16 °F 13 °F 68% NW  at  4.7 mph 0.00 in / hr 315 ft 12:34 AM EST Rapid Fire
Belmont Chase, Ashburn, VA 23.4 °F 13 °F 11 °F 58% NW  at  10.1 mph 0.00 in / hr 318 ft 12:31 AM EST Normal  
APRSWXNET Ashburn VA , Ashburn, VA 21 °F 12 °F 16 °F 82% West  at  7 mph 0.00 in / hr 259 ft 12:01 AM EST MADIS
Kincaid Forest, Leesburg, VA 23.4 °F 17 °F 13 °F 65% ENE  at  5.0 mph 0.01 in / hr 294 ft 12:30 AM EST Normal  
North Germantown, Germantown, MD 20.7 °F 15 °F 9 °F 59% WNW  at  3.8 mph 0.00 in / hr 439 ft 12:34 AM EST Rapid Fire
Leesburg, VA 22.3 °F 9 °F -17 °F 16% SW  at  15.7 mph 0.00 in / hr 0 ft 12:34 AM EST Normal  
Ashburn Village, Ashburn, VA 23.1 °F 16 °F 11 °F 60% West  at  6.0 mph 0.00 in / hr 282 ft 12:34 AM EST Rapid Fire  
Downtown, Leesburg, VA 21.9 °F 7 °F 7 °F 52% NW  at  18.5 mph 0.00 in / hr 344 ft 12:34 AM EST Rapid Fire
Longhorn, Gaithersburg, MD 20.0 °F 9 °F 11 °F 68% WNW  at  10.0 mph 0.00 in / hr 432 ft 12:30 AM EST Normal
Ashburn Village, Ashburn, VA 22.5 °F 13 °F 12 °F 63% NW  at  9.0 mph - / hr 320 ft 12:20 AM EST Normal  
Falls Brook, Herndon, VA 19.6 °F 20 °F 15 °F 82% WNW  at  2.0 mph 0.00 in / hr 280 ft 12:30 AM EST Normal  
Kentlands, Gaithersburg, MD 20.8 °F 21 °F 12 °F 68% NNE  at  1.6 mph 0.00 in / hr 380 ft 12:34 AM EST Rapid Fire  
Village Green Lucketts, Leesburg, VA 21.8 °F 12 °F 10 °F 60% WSW  at  8.0 mph 0.00 in / hr 322 ft 12:34 AM EST Normal  
Gateway Center, Clarksburg, MD 19.0 °F 11 °F 14 °F 82% East  at  6.0 mph 0.00 in / hr 583 ft 12:33 AM EST Normal  
APRSWXNET Great Falls VA , Great Falls, VA 19 °F 19 °F 16 °F 89% North  at  - 0.00 in / hr 380 ft 11:51 PM EST MADIS
16832 Old Waterford Road, Paeonian Springs, VA 21.2 °F 15 °F 10 °F 60% SW  at  4.5 mph 0.00 in / hr 456 ft 12:35 AM EST Rapid Fire  
Broadlands, Ashburn, VA 23.0 °F 6 °F 12 °F 61% NNW  at  28.0 mph 0.00 in / hr 391 ft 12:34 AM EST Rapid Fire  
Roxbury Heights Estates, Leesburg, VA 20.8 °F 1 °F 9 °F 60% NW  at  34.0 mph - / hr 594 ft 12:34 AM EST Normal  
Bald Hill Rd, Lucketts, Leesburg, VA 22.2 °F 13 °F 12 °F 65% NNW  at  8.0 mph 0.00 in / hr 434 ft 12:34 AM EST Rapid Fire  
VADOT Site_G, Herndon, VA 20 °F 6 °F 16 °F 82% WNW  at  16 mph 0.01 in / hr 339 ft 11:54 PM EST MADIS
Muddy Branch Park, Gaithersburg, MD 20.7 °F 21 °F 16 °F 83% ESE  at  3.0 mph 0.00 in / hr 394 ft 12:34 AM EST Rapid Fire  
APRSWXNET Reston VA , Herndon, VA 20 °F 20 °F 17 °F 89% North  at  3 mph 0.00 in / hr 454 ft 12:03 AM EST MADIS
Emerald Park Estates, Leesburg, VA 21.6 °F 10 °F 10 °F 59% West  at  11.0 mph 0.00 in / hr 444 ft 12:34 AM EST Rapid Fire  
Avalon at Traville, North Potomac, MD 20.5 °F 11 °F 14 °F 76% West  at  8.3 mph 0.00 in / hr 422 ft 12:34 AM EST Rapid Fire  
Hickory Creek, Great Falls, VA 19.4 °F 19 °F 16 °F 87% NW  at  0.0 mph 0.00 in / hr 350 ft 12:34 AM EST Rapid Fire
MDDOT I-270 @ I-370, Gaithersburg, MD 20 °F 10 °F 14 °F 78% WSW  at  9 mph 0.04 in / hr 449 ft 12:10 AM EST MADIS
Montgomery Village, MD 22.3 °F 22 °F 10 °F 59% North  at  - - / hr 350 ft 11:44 PM EST Rapid Fire
APRSWXNET Paeonian Springs VA , Paeonian Springs, VA 20 °F 14 °F 14 °F 78% South  at  4 mph 0.00 in / hr 1942 ft 12:02 AM EST MADIS
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Wind Advisory
Mobile & Email Alerts Statement as of 9:41 PM EST on February 11, 2012

... Wind Advisory remains in effect until 7 am EST Sunday...

* timing... overnight. Winds will begin to diminish toward dawn.

* Winds... northwest 20 to 30 mph with gusts up to 50 mph.

Precautionary/preparedness actions...

A Wind Advisory means that winds of 35 mph are expected. Winds
this strong can make driving difficult... especially for high
profile vehicles. Use extra caution.





Special Statement
Mobile & Email Alerts Statement as of 11:04 PM EST on February 11, 2012

... One last round of snow showers tonight...

An upper level disturbance will be pivoting through the Baltimore
Washington area overnight... providing snow to the region. The snow
will be ending across northern Maryland by midnight... affecting
Metro Washington and the northern Shenandoah Valley through 1am...
and reaching southern Maryland and the northern Piedmont of Virginia
between midnight and 2 am.

Look for a quick inch of snow with this disturbance. Roads may be
snow covered and slick if left untreated. Motorists should
exercise caution on the roads tonight.


Public Information Statement
Mobile & Email Alerts Statement as of 12:14 am EST on February 12, 2012

The following are unofficial observations taken during the past 26
hours for the storm that has been affecting our region. Appreciation
is extended to Highway departments... cooperative observers... Skywarn
spotters and media for these reports. This summary is also available
on our home Page at weather.Gov/Baltimore

********************storm total snowfall********************

Location storm total time/date comments
                     snowfall of
                     /inches/ measurement

Maryland

... Allegany County...
   1 NNW Frostburg 1.2 542 PM 2/11 co-op observer

... Anne Arundel County...
   Severn 0.3 700 am 2/11 trained spotter
   BWI Airport T 100 PM 2/11 Airport

... Baltimore County...
   2 NW Long Green 2.3 900 PM 2/11 trained spotter
   1 ESE Glyndon 1.6 901 am 2/11 trained spotter
   1 E Oella 1.0 715 am 2/11 trained spotter
   1 se Garrison 1.0 900 am 2/11 trained spotter
   1 NE Kingsville 0.8 600 am 2/11 trained spotter
   Hunt Valley 0.5 800 am 2/11 broadcast media

... Baltimore City...
   Pimlico 0.5 848 am 2/11 trained spotter

... Carroll County...
   1 SSW Manchester 3.9 1055 PM 2/11 trained spotter
   3 WSW Lineboro 1.2 1035 PM 2/11 trained spotter
   4 NE Millers 1.2 245 am 2/11 co-op observer
   1 W Westminster 1.0 700 am 2/11 public

... Howard County...
   2 N Columbia 1.0 700 am 2/11 trained spotter
   1 SSE Simpsonville 1.0 615 am 2/11 trained spotter

... Montgomery County...
   2 WSW Damascus 2.7 1158 PM 2/11 co-op observer
   5 N Laytonsville 2.5 400 PM 2/11 broadcast media
   3 E Clarksburg 0.7 902 am 2/11 trained spotter
   1 SSE Colesville 0.5 1145 PM 2/11 this evening only

... Washington County...
   1 WSW Cavetown 1.5 359 PM 2/11 trained spotter

Virginia

... Arlington County...
   Reagan National airp 0.2 1209 am 2/12 Airport

... City of Winchester...
   2 S Winchester 1.0 345 am 2/11 trained spotter

... Clarke County...
   1 NNW Berryville 0.6 735 PM 2/11 trained spotter

... Fairfax County...
   1 NNE Herndon 0.6 700 am 2/11 NWS employee
   1 E Oakton 0.5 600 am 2/11 trained spotter
   2 ESE Chantilly 0.4 1208 am 2/12 NWS employee

... Fauquier County...
   Warrenton 0.1 245 PM 2/11 NWS employee

... Frederick County...
   2 ESE Stephens City 0.6 415 am 2/11 trained spotter

... King George County...
   King George 0.3 430 PM 2/11 trained spotter

... Loudoun County...
   1 NNE Dulles interna 1.2 1200 am 2/12 ASOS
   Countryside 0.7 751 am 2/11 NWS employee
   3 NNW Dulles interna 0.6 235 PM 2/11 NWS employee
   Leesburg 0.6 300 am 2/11 public
   Dulles international 0.6 235 PM 2/11 Airport
   3 NW Dulles internat 0.4 500 am 2/11 NWS office

... Prince William County...
   3 NNW Woolsey 1.1 859 am 2/11 trained spotter

... Warren County...
   2 N Linden 1.1 858 am 2/11 trained spotter
   1 WSW Karo 0.5 700 am 2/11 trained spotter

West Virginia

... Berkeley County...
   1 WNW Bunker Hill 1.2 233 PM 2/11 cocorahs

... Grant County...
   Bayard 7.1 720 PM 2/11 co-op observer
   1 E Bismarck 0.1 550 PM 2/11 public

... Jefferson County...
   1 ENE Charles Town 1.0 147 PM 2/11 trained spotter

... Pendleton County...
   6 WSW Cherry Grove 5.0 541 PM 2/11 trained spotter
   2 S Seneca Rocks 0.5 600 PM 2/11 public


***********************peak wind gust***********************

Location Max wind time/date comments
                        gust of
                         mph measurement

Maryland

... Anz533...
   3 E Calvert Cliffs 46 948 PM 2/11 buoy

... Anz537...
   2 WSW Piney Point 53 712 PM 2/11 mesonet
   2 se Cobb Island 47 705 PM 2/11 buoy
   7 SSE Saint George I 46 930 PM 2/11 buoy

... Baltimore County...
   1 WSW Arbutus 46 713 PM 2/11 mesonet

... Frederick County...
   2 SW Flint 53 709 PM 2/11 AWOS
   1 ENE ballenger cree 46 545 PM 2/11 mesonet

... Montgomery County...
   2 se Gaithersburg 46 750 PM 2/11 mesonet

... St. Marys County...
   Point Lookout 48 805 PM 2/11 buoy
   2 ENE Patuxent River 45 436 PM 2/11 AWOS

... Washington County...
   1 E Hagerstown 46 345 PM 2/11 mesonet

Virginia

... Arlington County...
   1 E Cherrydale 53 821 PM 2/11 mesonet
   1 S Reagan National 44 307 PM 2/11 ASOS

... Augusta County...
   3 WSW Moscow 46 230 PM 2/11 mesonet

... Fairfax County...
   1 ESE Newington 47 839 PM 2/11 AWOS

... King George County...
   3 NE Dahlgren 51 847 PM 2/11 mesonet

... Loudoun County...
   2 SSW Leesburg 51 955 PM 2/11 AWOS
   1 NNE Dulles interna 49 722 PM 2/11 ASOS
   2 ENE Lovettsville 47 718 PM 2/11 mesonet


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