Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 9, NWS Duluth, MN

May 19, 2013Burnett County, Sawyer County, Washburn County, Wisconsin

NWS Duluth, MN issued this severe thunderstorm warning at May 19, 2013, 6:24 PM CDT for Burnett County, Sawyer County, Washburn County, Wisconsin. It was in force for 36 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 19, 2013, 6:24 PM CDT (23:24 UTC)
Expired
May 19, 2013, 7:00 PM CDT
In force
36 min
Issued by
NWS Duluth, MN
Area
Storm-based polygon
Tornado
Possible
Hail
0.75 in
Wind
60.0 mph

Counties Burnett County, WI, Sawyer County, WI, Washburn County, WI

The radar

The Duluth radar (KDLH), 112 km from the middle of the area, began a volume at 23:26 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.

IssuedProductOfficeLasted
May 19, 5:25 PM CDTTornado WatchSPC5 hr

The nearest sounding before it

International Fa, MN (KINL), launched 12:00Z, 11.4 hours before the alert went out and 321 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, International Fa, MN at 12:00Z on 2013-05-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, International Fa, MN at 12:00Z on 2013-05-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 146 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
501 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
146 m²/s²
0-3 km storm-relative helicity
172 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 19, 2:47 PM CDT, 3 hours 37 minutes earlier.

Area forecast discussion, May 19, 2:47 PM CDT, 3 hours 37 minutes before
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Hazardous weather outlook, May 19, 3:04 PM CDT, 3 hours 20 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DULUTH MN
304 PM CDT SUN MAY 19 2013

MNZ010>012-018>021-025-026-033>038-WIZ001>004-006>009-201100-
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-
304 PM CDT SUN MAY 19 2013

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

THUNDERSTORMS...WITH LOCALLY HEAVY RAINFALL...WILL BE FOUND
TONIGHT ACROSS MUCH OF THE NORTHLAND. LOCALIZED FLOODING IS
POSSIBLE. A FLASH FLOOD WATCH IS IN EFFECT.

THERE IS A POTENTIAL FOR A FEW STRONG TO SEVERE STORMS THIS
EVENING. THE MAIN RISK FOR LARGE HAIL AND DAMAGING WINDS WILL BE
ACROSS THE SOUTHERN TWO THIRDS OF MINNESOTA...AND INTO EAST
CENTRAL WISCONSIN.

AREAS OF FOG WILL BE FOUND NEAR LAKE SUPERIOR OVERNIGHT. LOCALLY
DENSE FOG IS POSSIBLE ALONG THE HIGHER TERRAIN...INCLUDING THE
AREAS OF PROCTOR...THE MILLER HILL IN DULUTH...AND ALONG THE
PATTISON RIDGE SOUTH OF SUPERIOR.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

RAIN WITH EMBEDDED THUNDERSTORMS WILL CONTINUE ACROSS MUCH OF THE
NORTHLAND MONDAY AND TUESDAY. THE THREAT FOR ADDITIONAL HEAVY
RAINFALL WILL ALSO PERSIST INTO TUESDAY MORNING. PLEASE MONITOR
THE LATEST FORECAST FOR SPECIFIC INFORMATION REGARDING THE
POTENTIAL FOR LOCAL FLOODING.

STRONG...TO POSSIBLY SEVERE...THUNDERSTORMS ARE POSSIBLE SOUTH OF
A PINE CITY MINNESOTA TO PHILLIPS WISCONSIN LINE MONDAY.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTER ACTIVATION MAY BE NEEDED THIS EVENING...AND AGAIN
MONDAY.

LSZ121-140>148-201100-
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-
304 PM CDT SUN MAY 19 2013

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

.DAY ONE...TONIGHT

THUNDERSTORMS ARE POSSIBLE OVER WESTERN LAKE SUPERIOR.

STRONG EAST TO NORTHEAST WINDS...AND BUILDING WAVE HEIGHTS...WILL
PERSIST OVER WESTERN LAKE SUPERIOR OVERNIGHT. PLEASE REFER TO THE
LATEST NEARSHORE FORECAST FOR THE LATEST INFORMATION ON SMALL
CRAFT ADVISORIES.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

CHANCES OF THUNDERSTORMS CONTINUE THROUGH WEDNESDAY. PERSISTENT
GUSTY NORTHEAST WINDS WILL CONTINUE TO RESULT IN HAZARDOUS
CONDITIONS FOR SMALL CRAFT THROUGH AT LEAST TUESDAY.

GRANING

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 19, 5:12 PM CDT, 1 hour 12 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DULUTH MN
512 PM CDT SUN MAY 19 2013

MNZ038-WIZ006>008-192330-
BURNETT-PINE-SAWYER-WASHBURN-
512 PM CDT SUN MAY 19 2013

...A LINE OF STORMS APPROACHING THE HAYWARD LAKES AREA...

AT 459 PM CDT...A LINE OF STORMS WITH A HISTORY OF PRODUCING
DAMAGING WINDS AND HAIL...WAS LOCATED EAST OF THE TWIN CITIES
METRO...OR ABOUT 90 MILES SOUTHWEST OF HAYWARD WISCONSIN.

AT THE CURRENT SPEED AND TRACK...THIS LINE OF STORMS MOVE INTO THE
AREAS OF SIREN...SPOONER...AND WINTER IN NORTHWEST WISCONSIN AROUND
600 PM.

IF YOU ARE IN THE PATH OF THESE STORMS...PREPARE FOR POSSIBLE
DAMAGING WINDS.

LAT...LON 4572 9218 4572 9252 4564 9254 4564 9288
      4573 9288 4573 9315 4579 9315 4600 9291
      4585 9088 4563 9101 4563 9215

GRANING/MCLOVIN
Local storm report, May 19, 5:27 PM CDT, 57 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DULUTH MN
527 PM CDT SUN MAY 19 2013

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0526 PM     HEAVY RAIN       1 SSW HINCKLEY          46.00N 92.95W
05/19/2013  M0.90 INCH       PINE               MN   TRAINED SPOTTER

            TOTAL IN 10 MINUTES.

&&

SCW

The office that day

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

IssuedProductOfficeCountiesLasted
May 19, 12:35 AM CDTSpecial Weather StatementDLHItasca25 min
May 19, 4:19 AM CDTSmall Craft AdvisoryDLH4 days
May 19, 5:59 PM CDTSevere Thunderstorm WarningDLHPine46 min
May 19, 6:34 PM CDTSevere Thunderstorm WarningDLHPine41 min
May 19, 5:12 PM CDTSpecial Weather StatementDLHBurnett, Sawyer, Washburn78 min
May 19, 5:29 PM CDTSevere Thunderstorm WarningDLHSawyer46 min
May 19, 6:02 PM CDTSevere Thunderstorm WarningDLHSawyer28 min
May 19, 6:18 PM CDTSevere Thunderstorm WarningDLHSawyer, Washburn42 min
May 19, 6:48 PM CDTSevere Thunderstorm WarningDLHBayfield, Douglas, Sawyer42 min
May 19, 6:57 PM CDTSpecial Weather StatementDLHSawyer, Washburn33 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2013Every 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.