Wisconsin Weather Update for July 22, 2013.

By: HaleStorm , 12:29 PM GMT on July 22, 2013

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Warmer today with scattered storms this afternoon and evening. Clearing and cooler tomorrow.
A cold front stretching from a low pressure system just north of Minnesota is going to move eastward today, bringing the threat of strong thunderstorms to Wisconsin late this afternoon and this evening. Ahead of the front we’ll see warm southerly winds bringing temps back into the 80s and somewhat humid dew points in the 60s. Behind the front we’ll see a clearing sky with cooler temperatures tomorrow.
http://www.hpc.ncep.noaa.gov/sfc/ussatsfc.gif


Weather Map of the Day

This isn’t as much a scientific map, but it’s today’s Convective Outlook provided by the Storm Prediction Center. I throw this link in my forecasts a lot during the summer, but this is a good and easy to read map showing where severe weather potential is likely today. The shade of green shows where general thunderstorms are possible, and the area of yellow stretching across much of Wisconsin indicates a slight risk of severe weather. Hover over the tornado/wind/hail buttons to show the individual threat for each of these. If you want to get geeky, there’s plenty of explanatory text below the map. The SPC provides Convective Outlooks for each day in the next week, but today is the only day this week with any sort of threat for Wisconsin.
http://www.spc.noaa.gov/products/outlook/day1otlk .html


Wisconsin Forecast:

Today’s Forecast Grade: BC
Short-Term Forecast Confidence: Medium

Today’s Conditions: Partly sunny. Scattered thunderstorms developing late in the day. There is a slight risk of these late-afternoon and evening thunderstorms becoming severe in northern and central Wisconsin. Chance of rain 25% before dinner, 75% after dinner.
Today’s High Temps: Warm and somewhat humid, highs near 82, dew points in the 60s.
Today’s Winds: A little breezy from the southwest.

Raw Model Data: (combined numerical output range from three different NOAA weather models)
Appleton: Highs 83-85.
Madison: Highs 84-86.
Milwaukee: Highs 82-85.
http://www.nws.noaa.gov/cgi-bin/mos/getall.pl?sta =KATW&sta=KMSN&sta=KMKE

Tonight: Scattered evening thunderstorms, then clearing late. Lows near 60. Chance of rain 50%.

Tomorrow’s Conditions: Becoming partly cloudy and cooler.
Tomorrow’s Temps: Highs in the lower 70s.
Tomorrow’s Winds: Breezy from the north.

Extended Outlook:
Wednesday: Partly sunny, highs 71-76.
Thursday: Scattered storms, highs 74-79.
Friday: Isolated storms, highs 77-82.
Saturday: Scattered storms, highs 72-79.
Sunday: Partly cloudy, highs 73-80.


Weather in the News:

Back Door Cold Front on Sat July 20 (it moved from east to west!)
http://www.crh.noaa.gov/news/display_cmsstory.php ?wfo=mkx&storyid=96149&source=0

Record Wet Start to the Year in the Midwest
http://mrcc.isws.illinois.edu/news/releases/2013/ 20130715_RecordWetStartToTheYear.pdf


Today Outside of Wisconsin:


Minneapolis/St. Paul, Minnesota:
Conditions: Scattered thunderstorms, clearing late.
High Temperatures: Mid- 80s.
http://www.wunderground.com/US/MN/Minneapolis.htm l
http://www.weather.com/outlook/travel/businesstra veler/local/USMN0503

Anna, Illinois:
Conditions: Clouds. Storms possible late tonight and tomorrow.
High Temperatures: Near 90.
http://www.wunderground.com/US/IL/Anna.html
http://www.weather.com/outlook/travel/businesstra veler/local/USIL0033

League City, Texas:
Conditions: Isolated storms.
High Temperatures: Lower 90s.
http://www.wunderground.com/US/TX/League_City.htm l
http://www.weather.com/outlook/travel/businesstra veler/local/USTX0745

Hilton Head Island, South Carolina:
Conditions: Scattered afternoon/evening storms.
High Temperatures: Upper 80s.
http://www.wunderground.com/US/SC/Hilton_Head_Isl and.html
http://www.weather.com/outlook/travel/businesstra veler/local/USSC0155

Charlotte, North Carolina:
Conditions: Scattered storms later today and tonight.
High Temperatures: Upper 80s.
http://www.wunderground.com/US/NC/Charlotte.html
http://www.weather.com/outlook/travel/businesstra veler/local/USNC0121

Las Vegas, Nevada:
Conditions: More scattered thunderstorms. Heavy rainfall again possible.
High Temperatures: Mid- 90s.
http://www.wunderground.com/US/NV/Henderson.html
http://www.weather.com/outlook/travel/businesstra veler/local/USNV0040

Davenport, Florida:
Conditions: Scattered afternoon/evening storms.
High Temperatures: Lower 90s.
http://www.wunderground.com/US/FL/Davenport.html
http://www.weather.com/outlook/travel/businesstra veler/local/USFL0104

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About HaleStorm

Atmospheric and Oceanic Sciences degree from UW-Madison: 1998. Former broadcast Meteorologist for NewsRadio 1310 WIBA in Madison. NWS Storm Spotter.

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N9OEQ - Darboy USA
Appleton, WI
Elevation: 735 ft
Temperature: 60.8 °F
Dew Point: 60.5 °F
Humidity: 99%
Wind: Calm
Wind Gust: 2.2 mph
Updated: 4:10 AM CDT on July 23, 2014

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