Tornado Watch Until 9 PM (squall line intensifying - severe storms reach MSP metro by 6 PM)
August 6, 2013 — 4:19pm
Squall Line. The 4 pm visible loop shows a few bands of strong/severe storms forming over central Minnesota - a few may spawn large hail, even an isolated tornado, into the late evening hours. The best chance of severe storms in the Twin Cities metro is 6-8 PM.
Dinner Hour Severe Risk In The Twin Cities. The HRRR model shows a squall line with potentially severe storms arriving around 6 pm.
Supercells. The cluster of storms near Morris and Glenwood is capable of tennis ball size hail and an isolated tornado - NWS Doppler shows rotation with this cell. Details:
BULLETIN - EAS ACTIVATION REQUESTED
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
359 PM CDT TUE AUG 6 2013
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* TORNADO WARNING FOR...
CENTRAL STEVENS COUNTY IN WEST CENTRAL MINNESOTA...
* UNTIL 430 PM CDT
* AT 358 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
TORNADO WAS LOCATED 10 MILES WEST OF MORRIS...AND MOVING EAST AT 40
HAZARD...TORNADO AND TENNIS BALL SIZE HAIL.
SOURCE...RADAR INDICATED ROTATION.
IMPACT...MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE TO
ROOFS...WINDOWS AND VEHICLES WILL OCCUR. FLYING DEBRIS
WILL BE DEADLY TO PEOPLE AND ANIMALS. TREE DAMAGE IS
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Sunday was a treat, coming after a gray and windy Saturday with rain brushing the south metro. Winds ease today with enough sun for mid to upper 60s - a slight chance of showers and T-showers Tuesday afternoon. Another spurt of warmth arrives late week; Friday appears to be the best day in sight as the mercury closes in on 80 degrees. This week should help to restore some of your faith in a Minnesota spring.
Saturday was an acquired taste: thickening clouds and a chilling breeze - but at least it didn't snow...or flood...or tornado. Rain brushed the southern suburbs but that system moves out today and a drying northeast breeze triggers partial clearing. Temperatures mellow this week; a hint of summer warmth possible by next weekend.
Yes, there were reports of a little snow mixing in with a cold rain over west central Minnesota yesterday; temperatures in the lowest mile of the atmosphere just warm enough for rain in the metro. Things are greening up nicely and models are in agreement that it's going to warm up next week: 60s, 70s, even a shot at 80F. Spring fever returns with a vengeance next week.
I'd rather have 40s and rain than ankle-deep slush (or drought) showing up on the maps. It's supernaturally-green out there, and who can argue with a 7-month boating season again this year? Rain tapers later today with slight improvement by Friday. Saturday showers may pass just south of MSP with a warming trend next week. 70s in one week? Looks plausible...