Flash Flood Risk. NWS Doppler out of Grand Forks is estimating some 6-10" rainfall amounts over far southeastern North Dakota and northeastern South Dakota, 2-3 month's worth of rain overnight. These storms are weakening, but still capable of some 3-6" rainfall amounts from near Wheaton to Breckenridge and Wheaton. More from the NWS:
BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 817 AM CDT MON AUG 15 2011
THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A
* FLASH FLOOD WARNING FOR... RICHLAND COUNTY IN SOUTHEAST NORTH DAKOTA... WILKIN COUNTY IN WEST CENTRAL MINNESOTA...
* UNTIL 800 PM CDT MONDAY
* AT 817 AM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. THE RADAR INDICATED 4 TO 6 INCHES OF RAINFALL HAD ALREADY FALLEN IN THE LIDGERWOOD AND HANKINSON AREAS.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... WAHPETON...BRECKENRIDGE...HANKINSON...LIDGERWOOD...WYNDMERE... ABERCROMBIE AND BARNEY.
MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT DRIVE YOUR VEHICLE INTO WATER OF UNKNOWN DEPTH. ONE OR TWO FEET OF WATER WILL FLOAT MOST CARS DOWNSTREAM.
Weakening Storms. NWS Doppler out of the Twin Cities at 11:23 am shows heavy showers and T-storms from Alexandria and Glenwood westward to Wheaton - drifting east/northeast - the bulk of the rain may stay just north of MSP early this afternoon.
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It has been in interesting month, no question. From our earliest Minnesota tornado(es) on record (March 6th) to a persistent southerly storm track keeping snowfall amounts down, March 2017 has been a memorable one. Mild sunshine will brighten spirits Friday. Clouds thicken Saturday and give to showers Sunday. Check the blog for more details. -Todd Nelson
Remind me not to complain about the weather anytime soon. Parts of California have seen so much snow they called out the National Guard to help. More tornadoes will skip across the Mid South later today, while interior New England braces for over a foot of slushy snow Friday into Saturday. Minnesota? Mostly 50s, no big storms, nothing severe in sight. Whew...
Tuesday wasn't hard to take with blue sky and 60s, a dazzling preview of coming attractions. Our weather sours today as clouds thicken; a few showers possibly by tonight, but most of the action sails off to our south again. With tornadoes and hail buffeting the south and a possibly (significant) snowstorm brewing from Michigan to New England by late week I'm counting my weather blessings more than usual these days.
When the sun comes out and stays out most of the day actual temperatures tend to be warmer than model predictions. Once again today we should enjoy enough blue sky for highs near 60 F, well above average for late March. Speaking of sunshine the solution to climate change is shining down on us, a clean energy revolution now well underway. Today's blog focuses on one county where they're putting their money where their convictions are, a county that voted for Donald Trump, but very much believes in clean, renewable, American energy. Yesterday's talk in Lindstrom renewed by sense of optimism that we are going to figure this out, and clean air, water and land should absolutely be a bipartisan goal. Our kids deserve nothing less.
If you liked yesterday you'll love today and adore tomorrow. Our weekend weather was an acquired taste, but at least it didn't snow - or tornado. The pattern is ripe for more severe storm outbreaks over the southern half of the USA but big storms track south of Minnesota. Temperatures slowly mellow into next week; highs mostly in the 50s.