Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 155, NWS Duluth, MN

August 16, 2016Burnett County, Wisconsin

NWS Duluth, MN issued this severe thunderstorm warning at Aug 16, 2016, 7:09 PM CDT for Burnett County, Wisconsin. It was in force for 40 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 16, 2016, 7:09 PM CDT (00:09 UTC)
Expired
Aug 16, 2016, 7:49 PM CDT
In force
40 min
Issued by
NWS Duluth, MN
Area
Storm-based polygon
Hail
1.5 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 00:13 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, 0.2 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-pSkew-T log-p diagram, Minneapolis, MN at 00:00Z on 2016-08-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 549 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 2016-08-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 71 square meters per square second.1939Sfc1 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
549 J/kg
Mixed-layer CIN
-41 J/kg
Mixed-layer LCL
1236 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
71 m²/s²
0-3 km storm-relative helicity
43 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.3

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 16, 6:44 PM CDT, 25 minutes earlier.

Area forecast discussion, Aug 16, 6:44 PM CDT, 25 minutes before
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Hazardous weather outlook, Aug 16, 3:50 PM CDT, 3 hours 19 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DULUTH MN
350 PM CDT TUE AUG 16 2016

MNZ010>012-018>021-025-026-033>038-WIZ001>004-006>009-171115-
KOOCHICHING-NORTH ST. LOUIS-NORTHERN COOK/NORTHERN LAKE-
NORTH ITASCA-CENTRAL ST. LOUIS-SOUTHERN LAKE/NORTH SHORE-
SOUTHERN COOK/NORTH SHORE-NORTH CASS-SOUTH ITASCA-SOUTH CASS-
CROW WING-NORTHERN AITKIN-SOUTH AITKIN-CARLTON/SOUTH ST. LOUIS-
PINE-DOUGLAS-BAYFIELD-ASHLAND-IRON-BURNETT-WASHBURN-SAWYER-PRICE-
350 PM CDT TUE AUG 16 2016

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

THUNDERSTORMS WILL BE POSSIBLE THIS AFTERNOON AND TONIGHT ACROSS
THE NORTHLAND. AN ISOLATED SEVERE STORM WILL BE POSSIBLE ACROSS
PORTIONS OF NORTHERN MINNESOTA INTO NORTHWEST WISCONSIN THIS
AFTERNOON AND EARLY EVENING...SOUTH OF HIGHWAY 2.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

THERE IS A CHANCE FOR THUNDERSTORMS THURSDAY AFTERNOON AND
ESPECIALLY THURSDAY NIGHT INTO FRIDAY MAINLY SOUTH OF HIGHWAY 2 IN
EAST-CENTRAL MINNESOTA AND NORTHWEST WISCONSIN. THE STRONGEST
STORMS WILL BE CAPABLE OF PRODUCING GUSTY WINDS AND HEAVY
RAIN.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND
EVENING...SOUTH OF HIGHWAY 2.

LSZ121-140>148-171115-
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-
350 PM CDT TUE AUG 16 2016

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

THERE IS A CHANCE FOR A THUNDERSTORMS ACROSS WESTERN LAKE
SUPERIOR THIS AFTERNOON AND TONIGHT.  SEVERE STORMS ARE NOT
EXPECTED...BUT MAY PRODUCE GUSTY WINDS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

THERE IS A CHANCE FOR THUNDERSTORMS ACROSS WESTERN LAKE SUPERIOR
LATE THURSDAY INTO FRIDAY. A FEW STORMS COULD BE STRONG TO SEVERE
PRODUCING GUSTY WINDS AND HEAVY RAIN THURSDAY NIGHT...WITH THE
BEST CHANCE FOR STRONGER STORMS ALONG THE SOUTH SHORE.

INCREASING NORTH WINDS COULD RESULT IN BUILDING WAVES SATURDAY INTO
SUNDAY ESPECIALLY ALONG THE SOUTH SHORE AND THE HEAD OF THE LAKE.

LE

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, Aug 16, 5:20 PM CDT, 1 hour 49 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DULUTH MN
520 PM CDT TUE AUG 16 2016

WIZ009-162230-
PRICE-
520 PM CDT TUE AUG 16 2016

...A STRONG THUNDERSTORM WILL AFFECT EAST CENTRAL PRICE COUNTY...

AT 520 PM CDT...A STRONG THUNDERSTORM WAS NEAR TRIPOLI...OR 30 MILES
NORTHEAST OF MEDFORD...MOVING SOUTHEAST AT 10 MPH.

WIND GUSTS UP TO 40 MPH...NICKEL SIZE HAIL...HEAVY DOWNPOURS...AND
OCCASIONAL CLOUD TO GROUND LIGHTNING CAN BE EXPECTED WITH THIS STORM.

THIS STORM WILL REMAIN OVER MAINLY RURAL AREAS OF EAST CENTRAL PRICE
COUNTY.

SEEK SHELTER INSIDE A STURDY BUILDING AND AWAY FROM WINDOWS UNTIL
THIS STORM PASSES.

LAT...LON 4550 9015 4562 9005 4546 9004 4540 9005
TIME...MOT...LOC 2220Z 310DEG 11KT 4552 9005

DAP
Local storm report, Aug 16, 5:43 PM CDT, 1 hour 26 minutes before
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Local storm report, Aug 16, 5:52 PM CDT, 1 hour 17 minutes before
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Special weather statement, Aug 16, 6:22 PM CDT, 47 minutes before
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Special weather statement, Aug 16, 6:30 PM CDT, 39 minutes before
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Special weather statement, Aug 16, 6:38 PM CDT, 31 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 16, 7:01 PM CDTSpecial Weather StatementDLHBurnett29 min
Aug 16, 7:11 PM CDTSpecial Weather StatementDLHWashburn19 min
Aug 16, 7:12 PM CDTSpecial Weather StatementDLHPrice33 min
Aug 16, 8:03 PM CDTSpecial Weather StatementDLHBurnett27 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2016Every severe thunderstorm warning in 2016

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.