Alert archive / Minnesota / Winter Storm Warnings in 2011
Winter Storm Warning 6, NWS Duluth, MN
NWS Duluth, MN issued this winter storm warning at Apr 15, 2011, 3:44 PM CDT for Cook County, Lake County, Saint Louis County, Minnesota. It took effect at Apr 16, 2011, 12:00 AM CDT. It was in force for 15 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Apr 15, 2011, 3:44 PM CDT (20:44 UTC)
- In effect from
- Apr 16, 2011, 12:00 AM CDT
- Expired
- Apr 16, 2011, 3:00 PM CDT
- In force
- 15 hr
- Issued by
- NWS Duluth, MN
Counties Cook County, MN, Lake County, MN, Saint Louis County, MN
The radar
The Duluth radar (KDLH), 106 km from the middle of the area, began a volume at 20:47 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 8.7 hours before the alert went out and 437 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1829 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 65 m²/s²
- 0-3 km storm-relative helicity
- 113 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this winter storm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Duluth, MN wrote its last area forecast discussion before this winter storm warning went out at Apr 15, 12:42 PM CDT, 3 hours 2 minutes earlier.
Area forecast discussion, Apr 15, 12:42 PM CDT, 3 hours 2 minutes before
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>Hazardous weather outlook, Apr 15, 3:25 PM CDT, 19 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE DULUTH MN 325 PM CDT FRI APR 15 2011 MNZ010>012-018>021-025-026-033>038-WIZ001>004-006>009-161130- KOOCHICHING-NORTHERN ST. LOUIS-NORTHERN COOK/NORTHERN LAKE- NORTHERN ITASCA-CENTRAL ST. LOUIS-SOUTHERN LAKE/LAKESHORE- SOUTHERN COOK/LAKESHORE-NORTHERN CASS-SOUTHERN ITASCA- SOUTHERN CASS-CROW WING-NORTHERN AITKIN-SOUTHERN AITKIN- CARLTON/SOUTHERN ST. LOUIS-PINE-DOUGLAS-BAYFIELD-ASHLAND-IRON- BURNETT-WASHBURN-SAWYER-PRICE- 325 PM CDT FRI APR 15 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST MINNESOTA AND NORTHWEST WISCONSIN. .DAY ONE...TONIGHT A SPRING WINTER STORM WILL BRING WINTRY PRECIPITATION TO THE NORTHLAND TONIGHT. THIS WILL RESULT IN ACCUMULATING SNOW ACROSS THE ENTIRE AREA...WITH SOME SLEET OR FREEZING RAIN MIXING IN ACROSS PARTS OF NORTHWESTERN WISCONSIN. FOR FURTHER DETAILS PLEASE SEE THE LATEST WINTER WEATHER PRODUCTS. STRONG EAST WINDS ARE LIKELY NEAR THE HEAD OF LAKE SUPERIOR. GUSTS TO NEAR 50 MPH WILL BE COMMON NEAR DULUTH AND SUPERIOR... ESPECIALLY THIS EVENING. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY SNOW WILL BE ENDING ACROSS THE AREA SATURDAY MORNING. AN EXTRA INCH OF SNOW WILL BE POSSIBLE. A FLOOD WARNING REMAINS IN EFFECT FOR THE MISSISSIPPI RIVER NEAR AITKIN AND FORT RIPLEY. FOR FURTHER DETAILS...REFER TO THE LATEST FLOOD PRODUCTS ISSUED BY THE DULUTH NATIONAL WEATHER SERVICE. .SPOTTER INFORMATION STATEMENT... SNOWFALL AND PRECIPITATION TYPE REPORTS WOULD BE APPRECIATED FROM TONIGHT INTO SATURDAY MORNING. LSZ121-140>148-161130- BAYFIELD TO OAK POINT WI-GRAND PORTAGE TO GRAND MARAIS MN- GRAND MARAIS TO TACONITE HARBOR MN- TACONITE HARBOR TO SILVER BAY HARBOR MN- SILVER BAY HARBOR TO TWO HARBORS MN-TWO HARBORS TO DULUTH MN- DULUTH MN TO PORT WING WI-PORT WING TO SAND ISLAND WI- SAND ISLAND TO BAYFIELD WI-OAK POINT TO SAXON HARBOR WI- 325 PM CDT FRI APR 15 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE NEARSHORE WATERS OF WESTERN LAKE SUPERIOR. .DAY ONE...THIS AFTERNOON AND TONIGHT EASTERLY GALE FORCE WINDS WILL CONTINUE ACROSS WESTERN LAKE SUPERIOR OVERNIGHT. THE GALES WILL BE ACCOMPANIED BY WAVES POSSIBLY OVER 8 FEET. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY WINDS WILL SUBSIDE ON SATURDAY...BUT HAZARDOUS CONDITIONS FOR SMALL CRAFT ARE EXPECTED TO PERSIST THROUGH THE DAY. DAP MORE INFORMATION MAY BE OBTAINED AT THE FOLLOWING WEB ADDRESS: HTTP://WWW.WEATHER.GOV/DULUTH (ALL LOWER CASE)
The office that day
Everything else NWS Duluth, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 15, 3:56 AM CDT | Winter Weather Advisory | DLH | Aitkin, Carlton, Cass, Cook, Crow Wing, Itasca and 4 more | 32 hr |
Nearby
Winter Storm Warnings in Minnesota, 2011Every winter storm warning in 2011
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.