All Clear For MSP (6+ rains flood Northfield and Cannon Falls)
June 14, 2012 — 7:27pm
All-Clear For MSP. The swarm of severe storms that brushed the south metro is pushing slowly toward Rochester, Wabasha and Winona. Severe storm warnings are posted just north of Rochester for 60 mph gusts and 1-2" diameter hail. Severe storms continue to pound the far south metro, some 6"+ rainfall amounts from near New Prague to Northfield to Cannon Falls, where some roads are said to be impassable. Think twice about driving south of MSP this evening - you will run into some flooded roads, hail and streams out of their banks. No reports of tornadoes - the risk is torrential, tropical rains, and 1-2" diameter hail. The risk is pretty much over now for the immediate Twin Cities.
From the MPX NWS office:
LAW ENFORCEMENT HAS REPORTED THAT SOME ROADS ARE IMPASSIBLE BETWEEN NORTHFIELD AND NERSTRAND.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY AUTOMOBILE.
TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN THE TWIN CITIES.
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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...
Well Monday was pleasant, if you're into hot weather oppression. Low 90s, but a high dew point made it feel more like 100F in the shade by late afternoon. Louisiana with lakes, instead of bayous. Today should be just as sticky but a few degrees cooler thanks to heavy showers and T-storms in the area. A few may turn severe later on, and watch for ponding of water, even flash flooding as T-storms keep redeveloping over the same counties. A surge of comfortable air is shaping up by Sunday and Monday.
Bright sun, cooler temps and much less humidity will make Sunday one of the nicest Sundays this summer, no question. We make a quick turnaround to sweaty weather again Monday with heavy rain potential this week. Check the blog for more. -Todd Nelson