Flood Watch into Monday - HRRR Hints at Late Evening T-Storm Threat
June 1, 2014 — 1:15pm
Short-Term Flood Risk: Far Southern Minnesota. NWS Doppler radar at 1:08 PM shows strong storms around I-90, from near Albert Lea to Rochester and La Crosse. The initial outflow boundary from last night's flooding storms has pushed south and east of MSP, but conditions are ripe for more storms by evening.
* Flash Flood Watch extended into Monday afternoon for most of Minnesota. Details from NOAA.
Some PM Sunshine - Setting Stage for Another Outbreak? High-resolution 1 km visible imagery (1 PM) shows clearing over parts of central and western Minnesota. If the sun does come out and stay out for a few hours the atmosphere will become very unstable (again), which may fuel another surge of strong storms this evening and tonight.
HRRR Forecast for 9 PM. NOAA's 3 km. HRRR model shows a possible MCS (meso-convective system) capable of more heavy rain and frequent lightning approaching MSP by late evening. Conditions remain ripe for thunderstorms capable of additional flooding into at least the morning hours Monday, followed by some drying Monday afternoon into Tuesday.
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Ah, so this is what they mean by "snow". I get it now - water actually freezes into fancy little ice crystals that stick together, gravity pulls them to the ground at an average speed of 3 mph. And traffic grinds to a halt on I-35. It's just snow folks, not billowing clouds of radioactivity. Couple inches of slush for most of us - but enough to lead the news and spark waves of indignant muttering about the weather. Southern Minnesota will see the heaviest snows, enough to shovel and plow and remind locals that they live in a far southern suburb of Winnipeg.
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We're stuck in a soggy rut and we can't seem to get out. Thanks to March-like temperatures, scattered rare January rain showers have helped to keep the snow melt on. The result is fog and low clouds mixed with drizzle... Ugh, I feel like a wet dog. Check the blog for more details. -Todd Nelson
Mild temps and lingering light rain showers continue through the weekend. The mercury may dip just enough to coax a few wet flakes out the clouds on Sunday, but nothing will stick. We'll have a better chance of snow sticking early next week as a Pacific storm system moves into the Upper Midwest. Temps look fairly mild initially, which could make for sloppy event. Check the blog for more details. -Todd Nelson
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