The Storm Prediction Center has issued a TORNADO WATCH UNTIL 9pm, which includes the TWIN CITIES!
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* TORNADO WATCH FOR PORTIONS OF CENTRAL AND EASTERN IOWA SOUTHERN AND CENTRAL MINNESOTA WESTERN WISCONSIN
* EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 110 PM UNTIL 900 PM CDT.
* PRIMARY THREATS INCLUDE... A FEW TORNADOES POSSIBLE SEVERAL DAMAGING WIND GUSTS TO 65 MPH POSSIBLE A FEW LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 105 STATUTE MILES EAST AND WEST OF A LINE FROM 70 MILES NORTH NORTHEAST OF REDWOOD FALLS MINNESOTA TO 25 MILES SOUTH SOUTHEAST OF WATERLOO IOWA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU0).
REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
DISCUSSION...THUNDERSTORM ACTIVITY IS EXPECTED TO CONTINUE TO INCREASE AND INTENSIFY NEAR A CONVECTIVELY GENERATED CYCLONIC VORTICITY CENTER AS IT MIGRATES NORTHWARD FROM IOWA INTO SOUTHERN MINNESOTA THIS AFTERNOON. AIDED BY AMBIENT VERTICAL VORTICITY...AND BOUNDARY LAYER DESTABILIZATION...SUPERCELL STRUCTURES ARE POSSIBLE...WITH A RISK FOR TORNADOES...IN ADDITION TO LARGE HAIL AND POTENTIALLY DAMAGING WIND GUSTS.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 55 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. MEAN STORM MOTION VECTOR 26030.
STORMS ARRIVE MID AFTERNOON
The HRRR forecast simulated radar has storms arriving around the Twin Cities from 3pm and lasting thru 6pm or 7pm.
Paul Douglas is a nationally respected meteorologist with 35 years of television and radio experience. A serial entrepreneur, Douglas is Senior Meteorologist and Founder of Media Logic Group. Douglas and a team of meteorologists, engineers and developers provide weather services for various media at Broadcast Weather, high-tech alerting and briefing services for companies via Alerts Broadcaster and weather data, apps and API’s from Aeris Weather. His speaking engagements take him around the Midwest with a message of continuous experimentation and reinvention, no matter what business you’re in. He is the public face of “SAVE”, Suicide Awareness, Voices of Education, based in Bloomington. Send Paul a question.
Well, at least it was better than Saturday. After a foggy (thundery) start the sun came out and temperatures reached the mid-80s. Up north severe storms erupted, even a few large and violent (PDS) tornadoes in Polk County. Yes, a bit odd for late August. Expect sticky sun today with another round of irritable storms later in the day. We cool off and dry out by midweek - more storms may be brewing next weekend, but not as formidable as what residents of Florida and the Carolinas are tracking.
I'm happy to report that today will be even nicer than yesterday! That's a pretty low bar, granted, but we should top 80F today with some sunshine, higher humidity and a few stray T-storms. 80s will be the rule this week, with warmer than average weather spilling into Labor Day weekend. The risk of a Gulf Coast hurricane seems to be increasing again - water temperatures in the Gulf are very warm, which may fuel a big storm within a few days.
Thursday was a breath of fresh air and today will be another fine day with blue sky, light winds and no rain (amazing). Showers and T-storms return late tonight into Saturday as the atmosphere tries to warm up again - Sunday should be sunnier, warmer and drier. Summer comes rushing back next week with more 80s, even a few 90s possible by the end of next week. Hermine impacting Florida and the Gulf Coast? Still a definite maybe, but the storm is a sloppy mess; it's unclear if and when conditions will be ripe for strengthening.
So long heat index, at least for a few days. Agreeable air, courtesy of Canada, will be with us for the next few days. Clouds build up this afternoon; Friday should be sunnier with less wind and temperatures more typical of late September. After a close encounter with Saturday showers temperatures mellow Sunday and summer heat returns next week. No, we haven't seen the last 90-degree warmth.
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