Alert archive / Minnesota / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 178, NWS Duluth, MN

July 30, 2006Saint Louis County, Minnesota

NWS Duluth, MN issued this severe thunderstorm warning at Jul 30, 2006, 4:36 AM CDT for Saint Louis County, Minnesota. It was in force for 54 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, 4:36 AM CDT (09:36 UTC)
Expired: Jul 30, 2006, 5:30 AM CDT
In force: 54 min
Issued by: NWS Duluth, MN
Area: Counties, with a storm outline in the text

County Saint Louis County, MN

The radar

The Duluth radar (KDLH), 86 km from the middle of the area, began a volume at 09:36 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
Jul 30, 12:54 AM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

International Fa, MN (KINL), launched 00:00Z, 9.6 hours before the alert went out and 126 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1708 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 87 m²/s²
0-3 km storm-relative helicity: 151 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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, 1 hour 3 minutes earlier.

Area forecast discussion, Jul 30, 3:33 AM CDT, 1 hour 3 minutes before

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Hazardous weather outlook, Jul 29, 7:53 AM CDT, 20 hours 43 minutes before

HAZARDOUS WEATHER OUTLOOK...CORRECTED
NATIONAL WEATHER SERVICE DULUTH MN
753 AM CDT SAT JUL 29 2006

LSZ121-140>148-162-MNZ010>012-018>021-025-026-033>038-WIZ001>004-
006>009-301300-
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-
753 AM CDT SAT JUL 29 2006

...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THROUGH TONIGHT...

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

.DAY ONE...TODAY AND TONIGHT

THUNDERSTORMS WILL REDEVELOP ACROSS PORTIONS OF NORTHEASTERN
MINNESOTA AND NORTHWESTERN WISCONSIN TODAY. THERE IS A SLIGHT RISK
OF SEVERE THUNDERSTORMS THIS AFTERNOON AND TONIGHT...MAINLY SOUTH
OF A WASKISH TO EMBARRASS...TO SILVER BAY LINE. LARGE HAIL AND
DAMAGING WINDS WILL BE THE MAIN THREAT. GUSTY NORTHEAST WINDS OF
UP TO 20 KNOTS CAN BE EXPECTED IN THE NEAR SHORE WATERS OF LAKE
SUPERIOR. AS A RESULT...THERE IS A THREAT OF RIP CURRENTS ON
THE BEACHES FROM THE TWIN PORTS ALONG THE SOUTH SHORE.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

THUNDERSTORMS ARE AGAIN EXPECTED ON SUNDAY AND SUNDAY NIGHT. A FEW
STORMS COULD BE SEVERE...WITH DAMAGING WINDS AND LARGE HAIL. THERE
IS ALSO A CHANCE OF THUNDERSTORMS FROM MONDAY NIGHT THROUGH
TUESDAY NIGHT.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTER ACTIVATION MAY BE NEEDED TODAY AND TONIGHT.

DAP

In the hours before

Local storm report, Jul 30, 12:59 AM CDT, 3 hours 37 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, 2 hours 11 minutes before

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Local storm report, Jul 30, 4:36 AM CDT, 0 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
Jul 29, 9:55 PM CDT	Special Marine Warning	DLH		30 min
Jul 29, 10:28 PM CDT	Special Marine Warning	DLH		32 min
Jul 29, 10:43 PM CDT	Special Marine Warning	DLH		47 min
Jul 29, 10:48 PM CDT	Severe Thunderstorm Warning	DLH	Lake	27 min
Jul 29, 11:07 PM CDT	Special Marine Warning	DLH		45 min
Jul 29, 11:11 PM CDT	Severe Thunderstorm Warning	DLH	Lake	16 min
Jul 29, 11:37 PM CDT	Severe Thunderstorm Warning	DLH	Saint Louis	23 min
Jul 29, 11:41 PM CDT	Special Marine Warning	DLH		34 min
Jul 29, 11:56 PM CDT	Severe Thunderstorm Warning	DLH	Saint Louis	49 min
Jul 30, 12:08 AM CDT	Severe Thunderstorm Warning	DLH	Cass	67 min
Jul 30, 12:12 AM CDT	Special Marine Warning	DLH		33 min
Jul 30, 12:20 AM CDT	Severe Thunderstorm Warning	DLH	Itasca	40 min
Jul 30, 1:03 AM CDT	Special Marine Warning	DLH		42 min
Jul 30, 1:07 AM CDT	Severe Thunderstorm Warning	DLH	Aitkin, Crow Wing	53 min
Jul 30, 1:17 AM CDT	Severe Thunderstorm Warning	DLH	Cass	13 min
Jul 30, 1:21 AM CDT	Severe Thunderstorm Warning	DLH	Saint Louis	54 min
Jul 30, 1:28 AM CDT	Severe Thunderstorm Warning	DLH	Cass	32 min
Jul 30, 1:55 AM CDT	Severe Thunderstorm Warning	DLH	Aitkin, Itasca	50 min
Jul 30, 2:00 AM CDT	Tornado Warning	DLH	Aitkin, Cass, Crow Wing	30 min
Jul 30, 2:05 AM CDT	Special Marine Warning	DLH		55 min
Jul 30, 2:11 AM CDT	Severe Thunderstorm Warning	DLH	Saint Louis	34 min
Jul 30, 2:29 AM CDT	Severe Thunderstorm Warning	DLH	Aitkin	61 min
Jul 30, 2:43 AM CDT	Severe Thunderstorm Warning	DLH	Saint Louis	62 min
Jul 30, 2:44 AM CDT	Severe Thunderstorm Warning	DLH	Cass, Itasca	61 min
Jul 30, 2:45 AM CDT	Severe Thunderstorm Warning	DLH	Carlton, Pine	60 min
Jul 30, 2:59 AM CDT	Special Marine Warning	DLH		61 min
Jul 30, 3:43 AM CDT	Severe Thunderstorm Warning	DLH	Saint Louis	32 min
Jul 30, 3:45 AM CDT	Severe Thunderstorm Warning	DLH	Pine	60 min
Jul 30, 3:50 AM CDT	Severe Thunderstorm Warning	DLH	Carlton	55 min
Jul 30, 3:52 AM CDT	Special Marine Warning	DLH		53 min
Jul 30, 3:56 AM CDT	Severe Thunderstorm Warning	DLH	Itasca	49 min
Jul 30, 3:56 AM CDT	Severe Thunderstorm Warning	DLH	Itasca	49 min
Jul 30, 4:43 AM CDT	Severe Thunderstorm Warning	DLH	Carlton, Pine	46 min
Jul 30, 6:27 AM CDT	Severe Thunderstorm Warning	DLH	Carlton	33 min
Jul 30, 7:00 AM CDT	Severe Thunderstorm Warning	DLH	Carlton, Pine	45 min
Jul 30, 8:28 AM CDT	Special Marine Warning	DLH		62 min
Jul 30, 8:42 AM CDT	Severe Thunderstorm Warning	DLH	Pine	48 min
Jul 30, 9:33 AM CDT	Severe Thunderstorm Warning	DLH	Saint Louis	27 min
Jul 30, 9:37 AM CDT	Severe Thunderstorm Warning	DLH	Lake	38 min
Jul 30, 10:56 AM CDT	Special Marine Warning	DLH		49 min
Jul 30, 11:27 AM CDT	Special Marine Warning	DLH		33 min
Jul 30, 2:23 PM CDT	Severe Thunderstorm Warning	DLH	Lake, Saint Louis	52 min
Jul 30, 3:47 PM CDT	Special Marine Warning	DLH		38 min
Jul 30, 3:50 PM CDT	Heat Advisory	DLH	Aitkin, Carlton, Cass, Crow Wing, Pine, Saint Louis	30 hr
Jul 29, 10:23 PM CDT	Severe Thunderstorm Warning	DLH	Bayfield, Douglas	28 min
Jul 29, 11:24 PM CDT	Severe Thunderstorm Warning	DLH	Iron	10 min
Jul 30, 12:17 AM CDT	Tornado Warning	DLH	Bayfield, Douglas	43 min
Jul 30, 12:55 AM CDT	Tornado Warning	DLH	Bayfield	35 min
Jul 30, 1:17 AM CDT	Severe Thunderstorm Warning	DLH	Douglas	28 min
Jul 30, 1:27 AM CDT	Tornado Warning	DLH	Bayfield	48 min
Jul 30, 1:43 AM CDT	Severe Thunderstorm Warning	DLH	Douglas	8 min
Jul 30, 1:56 AM CDT	Severe Thunderstorm Warning	DLH	Ashland	49 min
Jul 30, 2:09 AM CDT	Severe Thunderstorm Warning	DLH	Ashland	51 min
Jul 30, 2:14 AM CDT	Severe Thunderstorm Warning	DLH	Bayfield	56 min
Jul 30, 2:40 AM CDT	Severe Thunderstorm Warning	DLH	Sawyer	65 min
Jul 30, 2:57 AM CDT	Severe Thunderstorm Warning	DLH	Ashland	29 min
Jul 30, 3:13 AM CDT	Severe Thunderstorm Warning	DLH	Price	47 min
Jul 30, 3:40 AM CDT	Severe Thunderstorm Warning	DLH	Sawyer	35 min
Jul 30, 3:55 AM CDT	Severe Thunderstorm Warning	DLH	Price	50 min
Jul 30, 4:15 AM CDT	Severe Thunderstorm Warning	DLH	Washburn	30 min
Jul 30, 4:45 AM CDT	Severe Thunderstorm Warning	DLH	Burnett, Sawyer, Washburn	60 min
Jul 30, 5:44 AM CDT	Severe Thunderstorm Warning	DLH	Price, Sawyer	61 min
Jul 30, 8:15 AM CDT	Severe Thunderstorm Warning	DLH	Douglas	30 min
Jul 30, 8:40 AM CDT	Severe Thunderstorm Warning	DLH	Washburn	35 min
Jul 30, 11:10 AM CDT	Severe Thunderstorm Warning	DLH	Ashland, Bayfield	50 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2006 Every 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.