Alert archive / Minnesota / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 39, NWS Duluth, MN

June 26, 2013Itasca County, Koochiching County, Minnesota

NWS Duluth, MN issued this severe thunderstorm warning at Jun 26, 2013, 8:40 PM CDT for Itasca County, Koochiching County, Minnesota. It was in force for 50 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
Jun 26, 2013, 8:40 PM CDT (01:40 UTC)
Expired
Jun 26, 2013, 9:30 PM CDT
In force
50 min
Issued by
NWS Duluth, MN
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Itasca County, MN, Koochiching County, MN

The radar

The Duluth radar (KDLH), 162 km from the middle of the area, began a volume at 01:39 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

International Fa, MN (KINL), launched 00:00Z, 1.7 hours before the alert went out and 83 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 00:00Z on 2013-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1186 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 2013-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 29 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
1186 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
1207 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
29 m²/s²
0-3 km storm-relative helicity
22 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.9

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 Jun 26, 6:39 PM CDT, 2 hours 1 minute earlier.

Area forecast discussion, Jun 26, 6:39 PM CDT, 2 hours 1 minute before
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Hazardous weather outlook, Jun 26, 12:04 PM CDT, 8 hours 36 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DULUTH MN
1204 PM CDT WED JUN 26 2013

MNZ010>012-018>021-025-026-033>038-WIZ001>004-006>009-271300-
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-
1204 PM CDT WED JUN 26 2013

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

.DAY ONE...TODAY AND TONIGHT

THUNDERSTORMS WILL AFFECT PARTS OF NORTHEAST MINNESOTA AND
NORTHWEST WISCONSIN THIS AFTERNOON. SOME STORMS COULD BE STRONG
WITH HEAVY RAIN...SMALL HAIL...AND GUSTY WINDS. THERE IS EVEN A
SLIGHT CHANCE THAT STORMS IN NORTHWEST WISCONSIN AND FAR EAST
CENTRAL MINNESOTA COULD BECOME SEVERE.

THERE IS A LOW CHANCE OF THUNDERSTORMS ACROSS NORTHEAST MINNESOTA
AND NORTHWEST WISCONSIN THIS EVENING AND OVERNIGHT.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

UNSETTLED WEATHER WILL KEEP SMALL CHANCES FOR THUNDERSTORMS IN
THE FORECAST THROUGH MUCH OF THE WEEK.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTER ACTIVATION MAY BE NEEDED TODAY AND TONIGHT.

LSZ121-140>148-271300-
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-
1204 PM CDT WED JUN 26 2013

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

.DAY ONE...TODAY AND TONIGHT

THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON AND EVENING.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

UNSETTLED WEATHER WILL KEEP SMALL CHANCES FOR THUNDERSTORMS IN
THE FORECAST THROUGH MUCH OF THE WEEK.

GROCHOCINSKI

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, Jun 26, 7:46 PM CDT, 54 minutes before
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Special weather statement, Jun 26, 7:58 PM CDT, 42 minutes before
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Special weather statement, Jun 26, 8:01 PM CDT, 39 minutes before
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Special weather statement, Jun 26, 8:15 PM CDT, 25 minutes before
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Special weather statement, Jun 26, 8:18 PM CDT, 22 minutes before
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Special weather statement, Jun 26, 8:32 PM CDT, 8 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 26, 7:46 PM CDTSpecial Weather StatementDLHKoochiching14 min
Jun 26, 7:58 PM CDTSpecial Weather StatementDLHKoochiching17 min
Jun 26, 8:01 PM CDTSpecial Weather StatementDLHKoochiching14 min
Jun 26, 8:15 PM CDTSpecial Weather StatementDLHKoochiching15 min
Jun 26, 8:18 PM CDTSpecial Weather StatementDLHKoochiching12 min
Jun 26, 8:32 PM CDTSpecial Weather StatementDLHItasca13 min
Jun 26, 8:51 PM CDTSpecial Weather StatementDLHKoochiching24 min
Jun 26, 9:15 PM CDTSpecial Weather StatementDLHKoochiching15 min
Jun 26, 9:28 PM CDTSevere Thunderstorm WarningDLHItasca32 min
Jun 26, 9:43 PM CDTSpecial Weather StatementDLHKoochiching32 min
Jun 26, 9:59 PM CDTSpecial Weather StatementDLHItasca31 min
Jun 26, 10:17 PM CDTSpecial Weather StatementDLHItasca13 min
Jun 26, 10:38 PM CDTSpecial Weather StatementDLHItasca22 min
Jun 26, 11:01 PM CDTSpecial Weather StatementDLH14 min
Jun 26, 11:16 PM CDTSpecial Weather StatementDLHCarlton14 min
Jun 27, 1:07 AM CDTSpecial Weather StatementDLHCass23 min
Jun 27, 1:31 AM CDTSpecial Weather StatementDLHCass14 min
Jun 27, 1:46 AM CDTSpecial Weather StatementDLHCass14 min
Jun 27, 2:01 AM CDTSpecial Weather StatementDLHCass19 min
Jun 27, 2:09 AM CDTSpecial Weather StatementDLHItasca21 min
Jun 27, 2:30 AM CDTSpecial Weather StatementDLHItasca15 min
Jun 27, 2:48 AM CDTSpecial Weather StatementDLHItasca27 min
Jun 27, 3:17 AM CDTSpecial Weather StatementDLHItasca18 min
Jun 27, 3:54 AM CDTSpecial Weather StatementDLHSaint Louis21 min
Jun 27, 4:00 AM CDTSpecial Weather StatementDLHCarlton15 min
Jun 27, 4:22 AM CDTSpecial Weather StatementDLHSaint Louis23 min
Jun 27, 4:25 AM CDTSpecial Weather StatementDLHCarlton20 min
Jun 27, 4:50 AM CDTSpecial Weather StatementDLHLake25 min
Jun 27, 5:07 AM CDTSpecial Marine WarningDLH23 min
Jun 27, 5:10 AM CDTSpecial Weather StatementDLHLake20 min
Jun 27, 5:30 AM CDTSpecial Marine WarningDLH45 min
Jun 27, 12:19 PM CDTSpecial Weather StatementDLHCook, Lake, Saint Louis41 min
Jun 27, 1:09 PM CDTSpecial Weather StatementDLHLake36 min
Jun 27, 1:46 PM CDTSpecial Weather StatementDLHCook, Lake, Saint Louis59 min
Jun 27, 3:23 PM CDTSpecial Weather StatementDLHLake, Saint Louis52 min
Jun 27, 3:55 PM CDTSpecial Weather StatementDLHCook50 min
Jun 27, 5:56 PM CDTSpecial Weather StatementDLHLake19 min
Jun 27, 6:19 PM CDTSpecial Weather StatementDLHAitkin56 min
Jun 27, 6:29 PM CDTSpecial Weather StatementDLHCarlton46 min
Jun 27, 6:00 AM CDTSpecial Weather StatementDLHBayfield30 min
Jun 27, 6:27 AM CDTSpecial Weather StatementDLHAshland18 min
Jun 27, 12:32 PM CDTSpecial Weather StatementDLHIron13 min
Jun 27, 12:42 PM CDTSpecial Weather StatementDLHIron48 min
Jun 27, 2:52 PM CDTSpecial Weather StatementDLHAshland23 min
Jun 27, 4:00 PM CDTSpecial Weather StatementDLHAshland45 min
Jun 27, 4:20 PM CDTSpecial Weather StatementDLHIron55 min
Jun 27, 4:51 PM CDTSpecial Weather StatementDLHPrice24 min
Jun 27, 5:16 PM CDTSpecial Weather StatementDLHIron44 min
Jun 27, 6:07 PM CDTSpecial Weather StatementDLHPrice38 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 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.