Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 112, NWS Duluth, MN

August 29, 2013Burnett County, Wisconsin

NWS Duluth, MN issued this severe thunderstorm warning at Aug 29, 2013, 11:32 PM CDT for Burnett County, Wisconsin. It was in force for 43 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: Aug 29, 2013, 11:32 PM CDT (04:32 UTC)
Expired: Aug 30, 2013, 12:15 AM CDT
In force: 43 min
Issued by: NWS Duluth, MN
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 60.0 mph

County Burnett County, WI

The radar

The Duluth radar (KDLH), 109 km from the middle of the area, began a volume at 04:33 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
Aug 29, 8:20 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 4.5 hours before the alert went out and 148 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: 908 J/kg
Mixed-layer CIN: -219 J/kg
Mixed-layer LCL: 1541 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 85 m²/s²
0-3 km storm-relative helicity: 144 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.6

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 Aug 29, 6:49 PM CDT, 4 hours 43 minutes earlier.

Area forecast discussion, Aug 29, 6:49 PM CDT, 4 hours 43 minutes before

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Hazardous weather outlook, Aug 29, 4:05 PM CDT, 7 hours 27 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DULUTH MN
405 PM CDT THU AUG 29 2013

MNZ010>012-018>021-025-026-033>038-WIZ001>004-006>009-301130-
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-
405 PM CDT THU AUG 29 2013

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS THE
NORTHLAND TONIGHT...MAINLY SOUTH OF THE HIGHWAY 2 CORRIDOR.
THERE IS A CHANCE OF LARGE HAIL...DAMAGING WINDS AND
TORNADOES.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

THERE IS A CHANCE OF THUNDERSTORMS FROM FRIDAY THROUGH SATURDAY
NIGHT.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTER ACTIVATION WILL NOT BE NEEDED THIS AFTERNOON OR
TONIGHT.

LSZ121-140>148-301130-
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-
405 PM CDT THU AUG 29 2013

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

THUNDERSTORMS ARE POSSIBLE ACROSS WESTERN LAKE SUPERIOR TONIGHT.
THE STORMS ARE NOT EXPECTED TO BE SEVERE...BUT A FEW STRONGER
STORMS WILL BE POSSIBLE.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

A STRONG COLD FRONT COULD BRING THUNDERSTORMS TO THE NEARSHORE
WATERS OF LAKE SUPERIOR LATE SATURDAY AFTERNOON AND SATURDAY
NIGHT.

DAP

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, Aug 29, 9:45 PM CDT, 1 hour 47 minutes before

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Special weather statement, Aug 29, 10:21 PM CDT, 1 hour 11 minutes before

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Special weather statement, Aug 29, 10:23 PM CDT, 1 hour 9 minutes before

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Special weather statement, Aug 29, 10:51 PM CDT, 41 minutes before

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Special weather statement, Aug 29, 11:16 PM CDT, 16 minutes before

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Special weather statement, Aug 29, 11:20 PM CDT, 12 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
Aug 29, 7:29 PM CDT	Severe Thunderstorm Warning	DLH	Aitkin, Saint Louis	46 min
Aug 29, 7:53 PM CDT	Special Weather Statement	DLH	Aitkin	22 min
Aug 29, 8:04 PM CDT	Severe Thunderstorm Warning	DLH	Aitkin, Carlton	26 min
Aug 29, 8:28 PM CDT	Severe Thunderstorm Warning	DLH	Aitkin	47 min
Aug 29, 9:00 PM CDT	Severe Thunderstorm Warning	DLH	Aitkin, Carlton, Pine	45 min
Aug 29, 9:18 PM CDT	Special Weather Statement	DLH	Cook	27 min
Aug 29, 9:38 PM CDT	Severe Thunderstorm Warning	DLH	Pine	37 min
Aug 29, 10:21 PM CDT	Special Weather Statement	DLH	Pine	24 min
Aug 29, 10:51 PM CDT	Special Weather Statement	DLH	Pine	24 min
Aug 29, 11:16 PM CDT	Special Weather Statement	DLH	Chisago	14 min
Aug 29, 7:26 PM CDT	Severe Thunderstorm Warning	DLH	Sawyer	49 min
Aug 29, 8:35 PM CDT	Special Weather Statement	DLH	Price	25 min
Aug 29, 9:06 PM CDT	Areal Flood Advisory	DLH	Price, Sawyer	8 hr
Aug 29, 9:11 PM CDT	Severe Thunderstorm Warning	DLH	Price	49 min
Aug 29, 10:23 PM CDT	Special Weather Statement	DLH	Washburn	37 min
Aug 29, 11:20 PM CDT	Special Weather Statement	DLH	Ashland	25 min
Aug 30, 12:52 AM CDT	Special Weather Statement	DLH	Ashland	23 min
Aug 30, 1:16 AM CDT	Special Weather Statement	DLH	Iron	14 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.