Alert archive / Minnesota / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 182, NWS Duluth, MN

July 30, 2006Carlton County, Minnesota

NWS Duluth, MN issued this severe thunderstorm warning at Jul 30, 2006, 6:27 AM CDT for Carlton County, Minnesota. It was in force for 33 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
Jul 30, 2006, 6:27 AM CDT (11:27 UTC)
Expired
Jul 30, 2006, 7:00 AM CDT
In force
33 min
Issued by
NWS Duluth, MN
Area
Counties, with a storm outline in the text

County Carlton County, MN

The radar

The Duluth radar (KDLH), 45 km from the middle of the area, began a volume at 11:28 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, 11.5 hours before the alert went out and 207 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 2006-07-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4062 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 2006-07-30The 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
4062 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
1272 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
38 m²/s²
0-3 km storm-relative helicity
179 m²/s²
Significant tornado parameter
2.1
Supercell composite
20.4

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 Jul 30, 3:33 AM CDT, 2 hours 54 minutes earlier.

Area forecast discussion, Jul 30, 3:33 AM CDT, 2 hours 54 minutes before
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Hazardous weather outlook, Jul 30, 5:12 AM CDT, 1 hour 15 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DULUTH MN
512 AM CDT SUN JUL 30 2006

LSZ121-140>148-162-MNZ010>012-018>021-025-026-033>038-WIZ001>004-
006>009-311230-
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-
OPEN WATERS OF LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI
TO GRAND PORTAGE MN-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-
512 AM CDT SUN JUL 30 2006

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

.DAY ONE...TODAY AND TONIGHT

CURRENT THUNDERSTORMS OVER NORTHWEST WISCONSIN WILL CONTINUE
THROUGH THE EARLY MORNING HOURS. DAMAGING WINDS AND HAIL WILL
REMAIN A THREAT UNTIL THESE STORMS EXIT THE REGION.

LOOK FOR REDEVELOPMENT OF STORMS THIS AFTERNOON. THESE STORMS ARE
EXPECTED TO MAINLY EFFECT NORTHEAST MINNESOTA. SOME OF THESE
STORMS WILL BE CAPABLE OF DAMAGING HAIL AND WINDS.

ANOTHER WAVE OF STORMS AFTER MIDNIGHT. THESE STORMS ARE EXPECTED
TO FORM RIGHT ALONG THE CANADIAN BORDER. AGAIN...SOME OF THESE
STORMS WILL BE CAPABLE OF DAMAGING HAIL AND WINDS.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

A SLIGHT RISK OF SEVERE STORMS EXISTS FOR NORTHWEST WISCONSIN AND
ADJACENT AREAS IN MINNESOTA FOR MONDAY AFTERNOON INTO THE EVENING.
DAMAGING WINDS AND HAIL ARE THE PRIMARY THREATS.

THE CHANCE OF THUNDERSTORMS CONTINUES FOR TUESDAY AND WEDNESDAY.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTER ACTIVATION MAY BE NEEDED TODAY AND TONIGHT.

KFM

In the hours before

Local storm report, Jul 30, 12:59 AM CDT, 5 hours 28 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DULUTH MN
1259 AM CDT SUN JUL 30 2006

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

1240 AM     HAIL             COLERAINE               47.31N 93.42W
07/30/2006  E1.75 INCH       SOUTHERN ITASCA    MN   LAW ENFORCEMENT

1250 AM     HAIL             LONGVILLE               46.99N 94.22W
07/30/2006  M1.50 INCH       NORTHERN CASS      MN   TRAINED SPOTTER

1253 AM     HAIL             3 E LONGVILLE           46.99N 94.15W
07/30/2006  E1.00 INCH       CASS               MN   TRAINED SPOTTER

&&

KWHITE
Local storm report, Jul 30, 2:25 AM CDT, 4 hours 2 minutes before
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Local storm report, Jul 30, 4:36 AM CDT, 1 hour 51 minutes before
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Local storm report, Jul 30, 5:25 AM CDT, 1 hour 2 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DULUTH MN
525 AM CDT SUN JUL 30 2006

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

0420 AM     TSTM WND DMG     DAIRYLAND               46.22N 92.16W
07/30/2006                   DOUGLAS            WI   AMATEUR RADIO

            NUMEROUS TREES DOWN-12 INCH PINE TREE ACROSS STATE ROAD
            35

&&

MSTEWART
Local storm report, Jul 30, 5:51 AM CDT, 36 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DULUTH MN
551 AM CDT SUN JUL 30 2006

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

0410 AM     HAIL             10 E HIBBING            47.40N 92.73W
07/30/2006  M0.50 INCH       ST. LOUIS          MN   TRAINED SPOTTER

&&

LONKA
Local storm report, Jul 30, 5:59 AM CDT, 28 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DULUTH MN
559 AM CDT SUN JUL 30 2006

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

0435 AM     TSTM WND DMG     SPOONER                 45.82N 91.89W
07/30/2006                   WASHBURN           WI   LAW ENFORCEMENT

            NUMEROUS TREES AND POWER LINES ACROSS COUNTY

&&

MSTEWART

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 29, 9:55 PM CDTSpecial Marine WarningDLH30 min
Jul 29, 10:28 PM CDTSpecial Marine WarningDLH32 min
Jul 29, 10:43 PM CDTSpecial Marine WarningDLH47 min
Jul 29, 10:48 PM CDTSevere Thunderstorm WarningDLHLake27 min
Jul 29, 11:07 PM CDTSpecial Marine WarningDLH45 min
Jul 29, 11:11 PM CDTSevere Thunderstorm WarningDLHLake16 min
Jul 29, 11:37 PM CDTSevere Thunderstorm WarningDLHSaint Louis23 min
Jul 29, 11:41 PM CDTSpecial Marine WarningDLH34 min
Jul 29, 11:56 PM CDTSevere Thunderstorm WarningDLHSaint Louis49 min
Jul 30, 12:08 AM CDTSevere Thunderstorm WarningDLHCass67 min
Jul 30, 12:12 AM CDTSpecial Marine WarningDLH33 min
Jul 30, 12:20 AM CDTSevere Thunderstorm WarningDLHItasca40 min
Jul 30, 1:03 AM CDTSpecial Marine WarningDLH42 min
Jul 30, 1:07 AM CDTSevere Thunderstorm WarningDLHAitkin, Crow Wing53 min
Jul 30, 1:17 AM CDTSevere Thunderstorm WarningDLHCass13 min
Jul 30, 1:21 AM CDTSevere Thunderstorm WarningDLHSaint Louis54 min
Jul 30, 1:28 AM CDTSevere Thunderstorm WarningDLHCass32 min
Jul 30, 1:55 AM CDTSevere Thunderstorm WarningDLHAitkin, Itasca50 min
Jul 30, 2:00 AM CDTTornado WarningDLHAitkin, Cass, Crow Wing30 min
Jul 30, 2:05 AM CDTSpecial Marine WarningDLH55 min
Jul 30, 2:11 AM CDTSevere Thunderstorm WarningDLHSaint Louis34 min
Jul 30, 2:29 AM CDTSevere Thunderstorm WarningDLHAitkin61 min
Jul 30, 2:43 AM CDTSevere Thunderstorm WarningDLHSaint Louis62 min
Jul 30, 2:44 AM CDTSevere Thunderstorm WarningDLHCass, Itasca61 min
Jul 30, 2:45 AM CDTSevere Thunderstorm WarningDLHCarlton, Pine60 min
Jul 30, 2:59 AM CDTSpecial Marine WarningDLH61 min
Jul 30, 3:43 AM CDTSevere Thunderstorm WarningDLHSaint Louis32 min
Jul 30, 3:45 AM CDTSevere Thunderstorm WarningDLHPine60 min
Jul 30, 3:50 AM CDTSevere Thunderstorm WarningDLHCarlton55 min
Jul 30, 3:52 AM CDTSpecial Marine WarningDLH53 min
Jul 30, 3:56 AM CDTSevere Thunderstorm WarningDLHItasca49 min
Jul 30, 3:56 AM CDTSevere Thunderstorm WarningDLHItasca49 min
Jul 30, 4:36 AM CDTSevere Thunderstorm WarningDLHSaint Louis54 min
Jul 30, 4:43 AM CDTSevere Thunderstorm WarningDLHCarlton, Pine46 min
Jul 30, 7:00 AM CDTSevere Thunderstorm WarningDLHCarlton, Pine45 min
Jul 30, 8:28 AM CDTSpecial Marine WarningDLH62 min
Jul 30, 8:42 AM CDTSevere Thunderstorm WarningDLHPine48 min
Jul 30, 9:33 AM CDTSevere Thunderstorm WarningDLHSaint Louis27 min
Jul 30, 9:37 AM CDTSevere Thunderstorm WarningDLHLake38 min
Jul 30, 10:56 AM CDTSpecial Marine WarningDLH49 min
Jul 30, 11:27 AM CDTSpecial Marine WarningDLH33 min
Jul 30, 2:23 PM CDTSevere Thunderstorm WarningDLHLake, Saint Louis52 min
Jul 30, 3:47 PM CDTSpecial Marine WarningDLH38 min
Jul 30, 3:50 PM CDTHeat AdvisoryDLHAitkin, Carlton, Cass, Crow Wing, Pine, Saint Louis30 hr
Jul 29, 10:23 PM CDTSevere Thunderstorm WarningDLHBayfield, Douglas28 min
Jul 29, 11:24 PM CDTSevere Thunderstorm WarningDLHIron10 min
Jul 30, 12:17 AM CDTTornado WarningDLHBayfield, Douglas43 min
Jul 30, 12:55 AM CDTTornado WarningDLHBayfield35 min
Jul 30, 1:17 AM CDTSevere Thunderstorm WarningDLHDouglas28 min
Jul 30, 1:27 AM CDTTornado WarningDLHBayfield48 min
Jul 30, 1:43 AM CDTSevere Thunderstorm WarningDLHDouglas8 min
Jul 30, 1:56 AM CDTSevere Thunderstorm WarningDLHAshland49 min
Jul 30, 2:09 AM CDTSevere Thunderstorm WarningDLHAshland51 min
Jul 30, 2:14 AM CDTSevere Thunderstorm WarningDLHBayfield56 min
Jul 30, 2:40 AM CDTSevere Thunderstorm WarningDLHSawyer65 min
Jul 30, 2:57 AM CDTSevere Thunderstorm WarningDLHAshland29 min
Jul 30, 3:13 AM CDTSevere Thunderstorm WarningDLHPrice47 min
Jul 30, 3:40 AM CDTSevere Thunderstorm WarningDLHSawyer35 min
Jul 30, 3:55 AM CDTSevere Thunderstorm WarningDLHPrice50 min
Jul 30, 4:15 AM CDTSevere Thunderstorm WarningDLHWashburn30 min
Jul 30, 4:45 AM CDTSevere Thunderstorm WarningDLHBurnett, Sawyer, Washburn60 min
Jul 30, 5:44 AM CDTSevere Thunderstorm WarningDLHPrice, Sawyer61 min
Jul 30, 8:15 AM CDTSevere Thunderstorm WarningDLHDouglas30 min
Jul 30, 8:40 AM CDTSevere Thunderstorm WarningDLHWashburn35 min
Jul 30, 11:10 AM CDTSevere Thunderstorm WarningDLHAshland, Bayfield50 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2006Every severe thunderstorm warning in 2006

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.