Alert archive / Minnesota / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 112, NWS Duluth, MN
NWS Duluth, MN issued this severe thunderstorm warning at Jul 9, 2008, 4:33 PM CDT for Saint Louis County, Minnesota. It was in force for 42 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 9, 2008, 4:33 PM CDT (21:33 UTC)
- Expired
- Jul 9, 2008, 5:15 PM CDT
- In force
- 42 min
- Issued by
- NWS Duluth, MN
- Area
- Storm-based polygon
County Saint Louis County, MN
The radar
The Duluth radar (KDLH), 86 km from the middle of the area, began a volume at 21:32 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 12:00Z, 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 970 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 84 m²/s²
- 0-3 km storm-relative helicity
- 84 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 9, 3:22 PM CDT, 1 hour 11 minutes earlier.
Area forecast discussion, Jul 9, 3:22 PM CDT, 1 hour 11 minutes before
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</html>Hazardous weather outlook, Jul 9, 3:37 PM CDT, 56 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE DULUTH MN 337 PM CDT WED JUL 9 2008 MNZ010>012-018>021-025-026-033>038-WIZ001>004-006>009-101030- 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- 337 PM CDT WED JUL 9 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST MINNESOTA AND NORTHWEST WISCONSIN. .DAY ONE...THIS AFTERNOON AND TONIGHT SCATTERED THUNDERSTORMS WILL OCCUR THIS AFTERNOON OVER THE INTERNATIONAL BORDER REGION AND MOVE TOWARDS THE RANGE BY EARLY EVENING. SOME STORMS MAY PRODUCE GUSTY WINDS AND HAIL. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY THERE IS A CHANCE OF THUNDERSTORMS ACROSS ALL OF THE NORTHLAND THURSDAY THROUGH FRIDAY NIGHT. THERE IS A SLIGHT RISK THAT SOME THUNDERSTORMS MAY BE SEVERE THURSDAY THROUGH FRIDAY NIGHT...WITH LARGE HAIL AND DAMAGING WINDS. .SPOTTER INFORMATION STATEMENT... SKYWARN SPOTTER ACTIVATION MAY BE NEEDED THURSDAY AND/OR FRIDAY. LSZ121-140>148-101030- 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- 337 PM CDT WED JUL 9 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE NEARSHORE WATERS OF WESTERN LAKE SUPERIOR. .DAY ONE...THIS AFTERNOON AND TONIGHT THERE IS A CHANCE OF THUNDERSTORMS THROUGH WEDNESDAY EVENING ACROSS MOST OF NORTHWESTERN LAKE SUPERIOR....GENERALLY NORTH OF TWO HARBORS. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY THERE IS A CHANCE OF THUNDERSTORMS ACROSS ALL OF WESTERN LAKE SUPERIOR THURSDAY THROUGH EARLY SATURDAY. THERE IS A SLIGHT RISK THAT SOME THUNDERSTORMS MAY BE SEVERE THURSDAY THROUGH FRIDAY NIGHT...WITH LARGE HAIL AND DAMAGING WINDS. CANNON
The office that day
Everything else NWS Duluth, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 9, 5:03 PM CDT | Severe Thunderstorm Warning | DLH | Itasca, Koochiching | 42 min |
| Jul 9, 5:12 PM CDT | Severe Thunderstorm Warning | DLH | Lake, Saint Louis | 48 min |
| Jul 9, 5:17 PM CDT | Severe Thunderstorm Warning | DLH | Itasca, Koochiching, Saint Louis | 43 min |
| Jul 9, 5:20 PM CDT | Tornado Warning | DLH | Lake, Saint Louis | 40 min |
| Jul 9, 5:46 PM CDT | Severe Thunderstorm Warning | DLH | Itasca, Koochiching | 44 min |
| Jul 9, 6:00 PM CDT | Severe Thunderstorm Warning | DLH | Lake | 30 min |
| Jul 9, 6:01 PM CDT | Special Marine Warning | DLH | 59 min | |
| Jul 9, 6:31 PM CDT | Severe Thunderstorm Warning | DLH | Itasca, Saint Louis | 29 min |
| Jul 9, 6:31 PM CDT | Severe Thunderstorm Warning | DLH | Koochiching, Saint Louis | 59 min |
| Jul 9, 6:58 PM CDT | Special Marine Warning | DLH | 53 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2008Every severe thunderstorm warning in 2008
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.