Alert archive / Wisconsin / Special Weather Statements in 2013

Special Weather Statement, NWS Duluth, MN

May 31, 2013Sawyer County, Wisconsin

NWS Duluth, MN issued this special weather statement at May 31, 2013, 7:21 PM CDT for Sawyer County, Wisconsin. It was in force for 39 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
May 31, 2013, 7:21 PM CDT (00:21 UTC)
Expired
May 31, 2013, 8:00 PM CDT
In force
39 min
Issued by
NWS Duluth, MN

County Sawyer County, WI

The radar

The Duluth radar (KDLH), 142 km from the middle of the area, began a volume at 00:24 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

Minneapolis, MN (KMPX), launched 00:00Z, 0.4 hours before the alert went out and 264 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-pSkew-T log-p diagram, Minneapolis, MN at 00:00Z on 2013-06-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 00:00Z on 2013-06-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 38 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2032 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
38 m²/s²
0-3 km storm-relative helicity
101 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at May 31, 6:55 PM CDT, 26 minutes earlier.

Area forecast discussion, May 31, 6:55 PM CDT, 26 minutes before
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Hazardous weather outlook, May 31, 11:34 AM CDT, 7 hours 47 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

Special weather statement, May 31, 5:17 PM CDT, 2 hours 4 minutes before
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Special weather statement, May 31, 5:34 PM CDT, 1 hour 47 minutes before
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Special weather statement, May 31, 5:49 PM CDT, 1 hour 32 minutes before
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Local storm report, May 31, 6:39 PM CDT, 42 minutes before
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Special weather statement, May 31, 6:47 PM CDT, 34 minutes before
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Local storm report, May 31, 6:53 PM CDT, 28 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 1, 3:35 PM CDTFrost AdvisoryDLHCook, Itasca, Koochiching, Lake, Saint Louis16 hr
May 31, 7:49 PM CDTSpecial Weather StatementDLHPrice56 min

Nearby

Special Weather Statements in Wisconsin, 2013Every special weather statement 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.