Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 22, NWS Duluth, MN

May 31, 2013Ashland County, Wisconsin

NWS Duluth, MN issued this severe thunderstorm warning at May 31, 2013, 5:22 PM CDT for Ashland County, Wisconsin. It was in force for 23 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: May 31, 2013, 5:22 PM CDT (22:22 UTC)
Expired: May 31, 2013, 5:45 PM CDT
In force: 23 min
Issued by: NWS Duluth, MN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

County Ashland County, WI

The radar

The Duluth radar (KDLH), 119 km from the middle of the area, began a volume at 22:25 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 31, 2:35 PM CDT	Severe Thunderstorm Watch	SPC	9 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 10.4 hours before the alert went out and 290 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 60 J/kg
Mixed-layer CIN: -221 J/kg
Mixed-layer LCL: 1191 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 256 m²/s²
0-3 km storm-relative helicity: 269 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at May 31, 2:58 PM CDT, 2 hours 24 minutes earlier.

Area forecast discussion, May 31, 2:58 PM CDT, 2 hours 24 minutes before

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Hazardous weather outlook, May 31, 11:34 AM CDT, 5 hours 48 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DULUTH MN
1134 AM CDT FRI MAY 31 2013

MNZ010>012-018>021-025-026-033>038-WIZ001>004-006>009-011130-
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-
1134 AM CDT FRI MAY 31 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST MINNESOTA AND
NORTHWEST WISCONSIN.

.DAY ONE...TODAY AND TONIGHT

THUNDERSTORMS WILL BE POSSIBLE TODAY AND TONIGHT. STRONG
STORMS...WITH SOME ISOLATED SEVERE...ARE POSSIBLE THIS AFTERNOON
AND EARLY EVENING OVER FAR EASTERN MINNESOTA AND ESPECIALLY
NORTHWEST WISCONSIN. LARGE HAIL AND DAMAGING WINDS WOULD BE THE
MAIN THREATS. SOME HEAVY RAIN IS ALSO POSSIBLE.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

THUNDERSTORMS WILL BE POSSIBLE SATURDAY AFTERNOON OVER FAR EASTERN
MINNESOTA AND NORTHWEST WISCONSIN. THE STORMS ARE NOT EXPECTED TO
BE SEVERE.

SOME FROST WILL BE POSSIBLE OVER PORTIONS OF THE NORTHLAND SUNDAY
NIGHT AND AGAIN MONDAY NIGHT.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTER ACTIVATION MAY BE NEEDED BY LATE AFTERNOON OVER
PORTIONS OF FAR EASTERN MINNESOTA AND NORTHWEST WISCONSIN.

LSZ121-140>148-011130-
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-
1134 AM CDT FRI MAY 31 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE NEARSHORE WATERS OF
WESTERN LAKE SUPERIOR.

.DAY ONE...TODAY AND TONIGHT

THUNDERSTORMS WILL BE POSSIBLE TODAY INTO TONIGHT. SOME OF THE
STORMS COULD BE STRONG WITH AN ISOLATED SEVERE THREAT AS WELL. THE
MAIN THREATS WILL BE LARGE HAIL AND STRONG WINDS.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

THUNDERSTORMS WILL BE POSSIBLE SATURDAY AFTERNOON...BUT NO SEVERE
WEATHER IS EXPECTED.

GUSTY NORTH TO NORTHEAST WINDS ARE POSSIBLE SATURDAY AFTERNOON AND
EARLY EVENING...WHICH MAY CREATE HAZARDOUS CONDITIONS FOR SMALL CRAFT.

TENTINGER

MORE INFORMATION MAY BE OBTAINED AT THE FOLLOWING WEB ADDRESS:
HTTP://WWW.WEATHER.GOV/DULUTH (ALL LOWER CASE)

In the hours before

Local storm report, May 31, 4:41 PM CDT, 41 minutes before

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Special weather statement, May 31, 4:45 PM CDT, 37 minutes before

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Local storm report, May 31, 4:51 PM CDT, 31 minutes before

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Special weather statement, May 31, 4:54 PM CDT, 28 minutes before

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Local storm report, May 31, 4:58 PM CDT, 24 minutes before

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Special weather statement, May 31, 5:17 PM CDT, 5 minutes before

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The office that day

Everything else NWS Duluth, MN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 31, 12:59 AM CDT	Special Weather Statement	DLH	Saint Louis	46 min
May 31, 1:41 AM CDT	Special Weather Statement	DLH	Crow Wing	79 min
May 31, 1:49 AM CDT	Special Weather Statement	DLH	Koochiching	41 min
May 31, 2:24 AM CDT	Special Weather Statement	DLH	Pine	66 min
May 31, 2:15 PM CDT	Special Weather Statement	DLH	Carlton, Pine	45 min
May 31, 2:27 PM CDT	Severe Thunderstorm Warning	DLH	Carlton, Pine	48 min
May 31, 3:16 PM CDT	Severe Thunderstorm Warning	DLH	Carlton, Saint Louis	44 min
May 31, 3:23 PM CDT	Special Marine Warning	DLH		22 min
May 31, 3:29 PM CDT	Severe Thunderstorm Warning	DLH	Saint Louis	46 min
May 31, 3:34 PM CDT	Special Marine Warning	DLH		41 min
May 31, 3:47 PM CDT	Severe Thunderstorm Warning	DLH	Saint Louis	28 min
May 31, 3:53 PM CDT	Special Marine Warning	DLH		52 min
May 31, 4:06 PM CDT	Special Weather Statement	DLH	Pine	24 min
May 31, 4:12 PM CDT	Special Marine Warning	DLH		63 min
May 31, 4:14 PM CDT	Special Marine Warning	DLH		61 min
May 31, 4:38 PM CDT	Special Weather Statement	DLH	Cook	37 min
May 31, 4:54 PM CDT	Special Weather Statement	DLH	Lake	36 min
May 31, 5:17 PM CDT	Special Weather Statement	DLH	Cook	28 min
May 31, 5:23 PM CDT	Special Marine Warning	DLH		52 min
May 31, 5:34 PM CDT	Special Weather Statement	DLH		26 min
May 31, 5:53 PM CDT	Special Marine Warning	DLH		67 min
May 31, 6:05 PM CDT	Special Marine Warning	DLH		40 min
May 31, 6:16 PM CDT	Special Marine Warning	DLH		59 min
May 31, 6:47 PM CDT	Special Weather Statement	DLH	Cook	58 min
May 30, 11:05 PM CDT	Special Weather Statement	DLH	Douglas, Washburn	25 min
May 30, 11:30 PM CDT	Special Weather Statement	DLH	Douglas	45 min
May 31, 2:21 PM CDT	Severe Thunderstorm Warning	DLH	Washburn	39 min
May 31, 2:50 PM CDT	Severe Thunderstorm Warning	DLH	Douglas, Washburn	25 min
May 31, 3:15 PM CDT	Severe Thunderstorm Warning	DLH	Douglas	45 min
May 31, 3:25 PM CDT	Special Weather Statement	DLH	Ashland, Bayfield	35 min
May 31, 3:29 PM CDT	Severe Thunderstorm Warning	DLH	Iron	46 min
May 31, 4:45 PM CDT	Special Weather Statement	DLH	Bayfield, Burnett, Douglas, Washburn	60 min
May 31, 5:31 PM CDT	Severe Thunderstorm Warning	DLH	Ashland, Iron, Price, Sawyer	44 min
May 31, 5:36 PM CDT	Severe Thunderstorm Warning	DLH	Price	39 min
May 31, 6:00 PM CDT	Severe Thunderstorm Warning	DLH	Bayfield	45 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2013 Every severe thunderstorm warning in 2013

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.