"Hailers". NWS Doppler at 6:18 PM. 1.5" diameter hail has been reported in Bloomington and Burnsville, the most severe T-storms pushing across the south metro. Here's the latetest Severe Storm Warning valid until 7 PM for much of the southern Twin Cities. Most of the storms will be out of the metro by 8 PM. Details from NOAA:
BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 613 PM CDT MON JUL 7 2014
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR... DAKOTA COUNTY IN EAST CENTRAL MINNESOTA... SOUTHEASTERN HENNEPIN COUNTY IN EAST CENTRAL MINNESOTA... NORTHEASTERN LE SUEUR COUNTY IN SOUTH CENTRAL MINNESOTA... NORTHERN RICE COUNTY IN SOUTH CENTRAL MINNESOTA... EASTERN SCOTT COUNTY IN EAST CENTRAL MINNESOTA... SOUTHWESTERN WASHINGTON COUNTY IN EAST CENTRAL MINNESOTA...
* UNTIL 700 PM CDT
* AT 612 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE EXTENDING FROM EDINA TO 6 MILES WEST OF BURNSVILLE TO LE CENTER... AND MOVING EAST AT 55 MPH.
HAZARD...60 MPH WIND GUSTS AND NICKEL SIZE HAIL.
IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES.
* LOCATIONS IMPACTED INCLUDE... MSP INTL AIRPORT...BURNSVILLE...FARIBAULT...RICHFIELD...MALL OF AMERICA...FORT SNELLING...EAGAN...LAKEVILLE...NORTHFIELD...CREDIT RIVER...VESELI...KILKENNY...LONSDALE...APPLE VALLEY...MENDOTA HEIGHTS...SOUTH ST PAUL AIRPORT...WEBSTER...ELKO NEW MARKET... SUNFISH LAKE AND LAKEVILLE AIRPORT.
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A faint puff of Canadian air drops temperatures and humidity levels Sunday and Monday. Better sleeping weather. We warm up later in the week but dangerous heat, extended days or weeks above 90 or 100F, stays south of Minnesota into early August. Check the blog for more details. -Todd Nelson
Friday was volatile, waking up to heavy showers and T-storms passing just south of the MSP metro. After a few hours of warm sunshine another band of severe storms mushroomed up north. The pattern is still ripe for a few more T-storms today, but Sunday should be drier with more clouds than sun and temperatures holding in the 70s across much of the state. We warm up a little next week, but the worst of the blast-furnace heat stays south of Minnesota.
Yes, today is going to be pockmarked with puddles, a few storms may turn severe and flash flooding can't be ruled out. I'll still take that over days or weeks in a row with a heat index above 100F. Dangerous heat will spread from the central USA to the east coast by the weekend; it may feel like 110F in Washington D.C. No wonder politicians want to get out of town...
Yesterday seemed to confirm my theory that most of Minnesota probably won't have to worry about drought this summer (in stark contrast to severe drought gripping much of the Dakotas). We've seen our fair share of hot days, but our heat spikes pale in comparison to what is on tap from the Midwest to the Mid Atlantic, where the heat index may exceed 110F this weekend. It's muggy out there, but at least we see a few dribbles of Canadian air in the coming days...
Low 80s felt pretty good yesterday, about 10F cooler than Monday as a weak frontal boundary pushed just south of Minnesota, allowing slightly cooler, drier air to dribble south. Much of today looks dry, but watch for a squall line of strong to severe T-storms reaching the metro by the dinner hour. A few more waves of storms push across Minnesota into Saturday, when a cooler front of Canadian ancestry rides to the rescue. The rest of the USA should be so lucky...