Alert archive / Minnesota / Severe Thunderstorm Warnings in 2014
Severe Thunderstorm Warning 3, NWS Duluth, MN
NWS Duluth, MN issued this severe thunderstorm warning at May 7, 2014, 5:11 PM CDT for Aitkin County, Carlton County, Saint Louis County, Minnesota. It was in force for 34 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 7, 2014, 5:11 PM CDT (22:11 UTC)
- Expired
- May 7, 2014, 5:45 PM CDT
- In force
- 34 min
- Issued by
- NWS Duluth, MN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
Counties Aitkin County, MN, Carlton County, MN, Saint Louis County, MN
The radar
The Duluth radar (KDLH), 50 km from the middle of the area, began a volume at 22:13 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 12:00Z, 10.2 hours before the alert went out and 238 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
- 1223 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 153 m²/s²
- 0-3 km storm-relative helicity
- 222 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 May 7, 3:37 PM CDT, 1 hour 34 minutes earlier.
Area forecast discussion, May 7, 3:37 PM CDT, 1 hour 34 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE DULUTH MN 337 PM CDT WED MAY 7 2014 .SHORT TERM...(THIS EVENING THROUGH THURSDAY) ISSUED AT 330 PM CDT WED MAY 7 2014 AT 300 PM...A CLUSTER OF STORMS WAS MOVING INTO THE BRAINERD LAKES AREA. THESE STORMS WERE POSITIONED ALONG A REGION OF SFC CONFLUENCE/FGEN AND MID LEVEL WARM AIR ADVECTION. THESE STORMS WILL GRADUALLY SPREAD ACROSS NE MINNESOTA THROUGH THE NIGHT AS THE INVERTED TROUGH AXIS PUSHES EAST. MEANWHILE...A POTENT WARM FRONT WILL LIFT OVER NRN WISCONSIN/LAKE SUPERIOR OVERNIGHT...BRINGING ADDITIONAL SHOWERS AND THUNDERSTORMS. .LONG TERM...(THURSDAY NIGHT THROUGH WEDNESDAY) ISSUED AT 330 PM CDT WED MAY 7 2014 THIS PERIOD WILL BE DOMINATED BY A BROAD UPPER LEVEL TROUGHINESS WHICH WILL KEEP THE NORTHLAND IN A SOUTHWEST FLOW. THIS WILL ALSO BRING A SERIES OF SURFACE LOWS ACROSS THE REGION...KEEPING US IN A WET PATTERN WITH SEASONAL TEMPS. IN THE SHORTER TERM....EXPECT SHOWERS AND THUNDERSTORMS TO BE FIRING UP ALONG INVERTED TROF IN NCENTRAL MN FRIDAY AFTERNOON AND SPREAD EWRD ACROSS MUCH OF THE CWA OVERNIGHT AS SFC LOW MOVES ACROSS THE MN ARROWHEAD. THE STORMS WILL BE ALONG AND AHEAD OF A WARM FRONT OVR NRN WI/THE INVERTED TROF AND A COLD FRONT THAT WILL MOVE ACROSS THE REGION OVERNIGHT. SOME RESIDUAL SHOWERS WILL REMAIN IN THE COLD AIR ADVECTION BEHIND THE SYSTEM ON FRIDAY. FRIDAY NIGHT AND PART OF SATURDAY WILL SEE A BRIEF RESPITE FROM THE RAIN WITH WEAK HIGH PRESSURE OVER THE REGION. THEN ANOTHER IN THE SERIES OF LOWS WILL MOVE ACROSS THE AREA SUNDAY AND MONDAY. AND THE PATTERN WILL BE REPEATED FOR THE REMAINDER OF THE WEEK. && .AVIATION...(FOR THE 18Z TAFS THROUGH 18Z THURSDAY AFTERNOON) ISSUED AT 1218 PM CDT WED MAY 7 2014 SLOW MOVING LOW PRESSURE WILL PUSH ABUNDANT MOISTURE...INCREASING RAIN AND THUNDERSTORMS INTO THE REGION THIS PERIOD. THE TIMING AND PLACEMENT OF THE INITIAL ROUND OF CONVECTION IS QUITE DIFFICULT BASED ON THE ABSENCE OF CLEARLY DEFINED INITIATION. SHOULD SEE INITIAL ROUND MAKE ITS AWAY INTO NWRN CWA LATE TODAY...AND THEN REMAINDER OF TERMINALS TONIGHT. LATER FCSTS CAN TRY TO DELINEATE BETTER TIMING OF POTENTIALLY HEAVIER PRECIP/STRONGER TSTMS. && .PRELIMINARY POINT TEMPS/POPS... DLH 42 56 47 55 / 80 90 80 50 INL 44 61 44 56 / 70 80 80 50 BRD 48 68 45 60 / 80 80 70 40 HYR 51 74 52 59 / 70 80 80 40 ASX 44 65 48 55 / 80 80 80 40 && .DLH WATCHES/WARNINGS/ADVISORIES... MN...NONE. WI...NONE. LS...SMALL CRAFT ADVISORY UNTIL 6 AM CDT THURSDAY FOR LSZ140>147. && SHORT TERM...GRANING LONG TERM...CLC AVIATION...CANNON
Hazardous weather outlook, May 7, 3:14 PM CDT, 1 hour 57 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE DULUTH MN 314 PM CDT WED MAY 7 2014 MNZ010>012-018>021-025-026-033>038-WIZ001>004-006>009-082015- 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- 314 PM CDT WED MAY 7 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST MINNESOTA AND NORTHWEST WISCONSIN. .DAY ONE...TONIGHT. THUNDERSTORMS WILL SPREAD ACROSS MUCH OF THE REGION THROUGH THE NIGHT. A FEW OF THESE STORMS WILL HAVE THE POTENTIAL TO BECOME STRONG TO SEVERE. THE MAIN THREAT IS FOR LARGE HAIL...GUSTY WINDS AND LOCALLY HEAVY RAIN. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY LINGERING SHOWERS AND THUNDERSTORMS WILL GRADUALLY DIMINISH THURSDAY MORNING. STRONG TO SEVERE THUNDERSTORMS WILL REDEVELOP THURSDAY AFTERNOON AND EVENING. THE PRIMARY THREATS WILL BE LARGE HAIL...DAMAGING WINDS...AND HEAVY RAINFALL. IT IS POSSIBLE THAT CONDITIONS MAY DEVELOP THAT WOULD SUPPORT TORNADIC THUNDERSTORMS ALONG THE ST CROIX RIVER VALLEY AND EAST TOWARDS THE HAYWARD LAKES AREA. PLEASE STAY TUNED FOR FORECAST UPDATES AND ADDITIONAL DETAILS. .SPOTTER INFORMATION STATEMENT... SKYWARN SPOTTER IS NOT ANTICIPATED THIS EVENING...BUT MAY BE NEEDED THURSDAY. LSZ121-140>148-082015- 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- 314 PM CDT WED MAY 7 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE NEARSHORE WATERS OF WESTERN LAKE SUPERIOR. .DAY ONE...TONIGHT GUSTY NORTHEAST WINDS WILL PRODUCE HAZARDOUS CONDITIONS FOR SMALL CRAFT ALONG PORTIONS OF THE NEARSHORE WATERS OF LAKE SUPERIOR. PLEASE REFER TO THE MARINE WEATHER MESSAGE FOR MORE INFORMATION. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. GRANING MORE INFORMATION AT: HTTP://WWW.WEATHER.GOV/DULUTH
In the hours before
Local storm report, May 7, 4:05 PM CDT, 1 hour 6 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DULUTH MN
405 PM CDT WED MAY 07 2014
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0404 PM HAIL 1 NNE LAKE SHORE 46.51N 94.35W
05/07/2014 M0.25 INCH CASS MN TRAINED SPOTTER
&&
MCLOVINLocal storm report, May 7, 4:23 PM CDT, 48 minutes before
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</html>The office that day
Everything else NWS Duluth, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 7, 3:23 PM CDT | Special Weather Statement | DLH | Cass, Crow Wing | 67 min |
| May 7, 3:52 PM CDT | Severe Thunderstorm Warning | DLH | Cass, Crow Wing | 38 min |
| May 7, 4:11 PM CDT | Severe Thunderstorm Warning | DLH | Aitkin, Crow Wing | 49 min |
| May 7, 4:48 PM CDT | Special Weather Statement | DLH | Aitkin | 42 min |
| May 7, 5:43 PM CDT | Severe Thunderstorm Warning | DLH | Carlton, Saint Louis | 32 min |
| May 7, 6:18 PM CDT | Severe Thunderstorm Warning | DLH | Lake, Saint Louis | 42 min |
| May 7, 6:34 PM CDT | Special Weather Statement | DLH | Saint Louis | 26 min |
| May 7, 9:18 AM CDT | Special Weather Statement | DLH | Price | 42 min |
| May 7, 6:01 PM CDT | Special Weather Statement | DLH | Douglas | 29 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2014Every severe thunderstorm warning in 2014
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.