Alert archive / Minnesota / Tornado Warnings in 2013
Tornado Warning 11, NWS Duluth, MN
NWS Duluth, MN issued this tornado warning at Aug 29, 2013, 6:57 PM CDT for Aitkin County, Cass 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
- Aug 29, 2013, 6:57 PM CDT (23:57 UTC)
- Expired
- Aug 29, 2013, 7:30 PM CDT
- In force
- 33 min
- Issued by
- NWS Duluth, MN
- Area
- Storm-based polygon
- Tornado
- Observed
- Hail
- 1.75 in
Counties Aitkin County, MN, Cass County, MN
The radar
The Duluth radar (KDLH), 127 km from the middle of the area, began a volume at 23:58 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 |
|---|---|---|---|
| Aug 29, 5:46 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
International Fa, MN (KINL), launched 12:00Z, 12.0 hours before the alert went out and 204 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
- 400 J/kg
- Mixed-layer CIN
- -151 J/kg
- Mixed-layer LCL
- 1263 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- -3 m²/s²
- 0-3 km storm-relative helicity
- 38 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this tornado 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 tornado warning went out at Aug 29, 6:49 PM CDT, 8 minutes earlier.
Area forecast discussion, Aug 29, 6:49 PM CDT, 8 minutes before
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</html>Hazardous weather outlook, Aug 29, 4:05 PM CDT, 2 hours 52 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE DULUTH MN 405 PM CDT THU AUG 29 2013 MNZ010>012-018>021-025-026-033>038-WIZ001>004-006>009-301130- 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- 405 PM CDT THU AUG 29 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST MINNESOTA AND NORTHWEST WISCONSIN. .DAY ONE...THIS AFTERNOON AND TONIGHT THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS THE NORTHLAND TONIGHT...MAINLY SOUTH OF THE HIGHWAY 2 CORRIDOR. THERE IS A CHANCE OF LARGE HAIL...DAMAGING WINDS AND TORNADOES. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY THERE IS A CHANCE OF THUNDERSTORMS FROM FRIDAY THROUGH SATURDAY NIGHT. .SPOTTER INFORMATION STATEMENT... SKYWARN SPOTTER ACTIVATION WILL NOT BE NEEDED THIS AFTERNOON OR TONIGHT. LSZ121-140>148-301130- 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- 405 PM CDT THU AUG 29 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE NEARSHORE WATERS OF WESTERN LAKE SUPERIOR. .DAY ONE...THIS AFTERNOON AND TONIGHT THUNDERSTORMS ARE POSSIBLE ACROSS WESTERN LAKE SUPERIOR TONIGHT. THE STORMS ARE NOT EXPECTED TO BE SEVERE...BUT A FEW STRONGER STORMS WILL BE POSSIBLE. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY A STRONG COLD FRONT COULD BRING THUNDERSTORMS TO THE NEARSHORE WATERS OF LAKE SUPERIOR LATE SATURDAY AFTERNOON AND SATURDAY NIGHT. DAP 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, Aug 29, 4:46 PM CDT, 2 hours 11 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DULUTH MN 446 PM CDT THU AUG 29 2013 MNZ036>038-WIZ001-292230- CARLTON/SOUTH ST. LOUIS-DOUGLAS-PINE-SOUTH AITKIN- 446 PM CDT THU AUG 29 2013 ...STRONG STORM OVER PINE COUNTY... AT 447 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM NEAR DENHAM...MOVING EAST AT 35 MPH. THIS STORM IS CAPABLE OF PRODUCING UP TO NICKEL SIZE HAIL...WIND GUSTS UP TO 40 MPH...BRIEF HEAVY DOWNPOURS... * THE THUNDERSTORM WILL BE NEAR... WILLOW RIVER BY 455 PM... MOOSE LAKE STATE PARK BY 500 PM... BRUNO AND BARNUM BY 505 PM... NEMADJI BY 510 PM... DUQUETTE AND KERRICK BY 515 PM... NICKERSON BY 520 PM... HOLYOKE BY 525 PM... GUSTY WINDS MAY CAUSE SMALL OBJECTS SUCH AS TRASH BINS TO BLOW AROUND. SEEK SHELTER IN A STURDY STRUCTURE UNTIL THIS STORM HAS PASSED. LAT...LON 4651 9218 4618 9222 4628 9311 4650 9311 DAP
Special weather statement, Aug 29, 5:53 PM CDT, 1 hour 4 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DULUTH MN
553 PM CDT THU AUG 29 2013
MNZ038-WIZ001-006-007-292315-
BURNETT-DOUGLAS-PINE-WASHBURN-
553 PM CDT THU AUG 29 2013
...THUNDERSTORMS MOVING ACROSS NORTHWEST WISCONSIN...
AT 548 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
CLUSTER OF STRONG THUNDERSTORMS NEAR WEBB LAKE...MOVING EAST AT 15
MPH.
THESE STORMS ARE CAPABLE OF PRODUCING PEA SIZE HAIL...WIND GUSTS UP
TO 30 MPH...OCCASIONAL CLOUD TO GROUND LIGHTNING...AND BRIEF HEAVY
DOWNPOURS...
LOCATIONS IMPACTED INCLUDE...
MINONG FLOWAGE... TREGO... MINONG...
LAMPSON... DANBURY...
GUSTY WINDS MAY CAUSE SMALL OBJECTS SUCH AS TRASH BINS TO BLOW
AROUND. STAY AWAY FROM HIGH OBJECTS OUTDOORS SUCH AS TREES. SEEK
SHELTER IN A STURDY STRUCTURE UNTIL THIS STORM HAS PASSED.
LAT...LON 4645 9164 4614 9155 4577 9156 4587 9274
4610 9273
LELocal storm report, Aug 29, 6:07 PM CDT, 50 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DULUTH MN
607 PM CDT THU AUG 29 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0606 PM HAIL 1 N BOY LAKE 47.12N 94.15W
08/29/2013 M1.00 INCH CASS MN TRAINED SPOTTER
&&
KKLocal storm report, Aug 29, 6:41 PM CDT, 16 minutes before
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</html>Local storm report, Aug 29, 6:45 PM CDT, 12 minutes before
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</html>Local storm report, Aug 29, 6:48 PM CDT, 9 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 |
|---|---|---|---|---|
| Aug 28, 7:29 PM CDT | Special Weather Statement | DLH | Koochiching | 16 min |
| Aug 28, 7:43 PM CDT | Special Weather Statement | DLH | Saint Louis | 32 min |
| Aug 28, 8:16 PM CDT | Special Weather Statement | DLH | Saint Louis | 29 min |
| Aug 28, 8:45 PM CDT | Special Weather Statement | DLH | 30 min | |
| Aug 28, 9:18 PM CDT | Special Weather Statement | DLH | Saint Louis | 27 min |
| Aug 28, 9:46 PM CDT | Special Weather Statement | DLH | Saint Louis | 29 min |
| Aug 28, 10:16 PM CDT | Special Weather Statement | DLH | Saint Louis | 44 min |
| Aug 28, 10:47 PM CDT | Special Weather Statement | DLH | Saint Louis | 28 min |
| Aug 29, 8:54 AM CDT | Special Weather Statement | DLH | Cass | 21 min |
| Aug 29, 9:20 AM CDT | Special Weather Statement | DLH | Koochiching | 20 min |
| Aug 29, 9:50 AM CDT | Special Weather Statement | DLH | Cass | 25 min |
| Aug 29, 9:51 AM CDT | Special Weather Statement | DLH | Koochiching | 24 min |
| Aug 29, 10:16 AM CDT | Special Weather Statement | DLH | Cass | 14 min |
| Aug 29, 10:25 AM CDT | Special Weather Statement | DLH | Saint Louis | 35 min |
| Aug 29, 10:26 AM CDT | Special Weather Statement | DLH | Koochiching | 34 min |
| Aug 29, 10:49 AM CDT | Special Weather Statement | DLH | Cass, Itasca | 11 min |
| Aug 29, 11:08 AM CDT | Special Weather Statement | DLH | Itasca | 22 min |
| Aug 29, 11:13 AM CDT | Special Weather Statement | DLH | 32 min | |
| Aug 29, 11:40 AM CDT | Special Weather Statement | DLH | Saint Louis | 20 min |
| Aug 29, 12:02 PM CDT | Special Weather Statement | DLH | Lake | 28 min |
| Aug 29, 12:06 PM CDT | Special Weather Statement | DLH | Saint Louis | 24 min |
| Aug 29, 12:32 PM CDT | Special Weather Statement | DLH | Lake | 28 min |
| Aug 29, 12:33 PM CDT | Special Weather Statement | DLH | Lake | 17 min |
| Aug 29, 12:43 PM CDT | Special Marine Warning | DLH | 62 min | |
| Aug 29, 12:55 PM CDT | Special Weather Statement | DLH | 20 min | |
| Aug 29, 1:54 PM CDT | Special Marine Warning | DLH | 66 min | |
| Aug 29, 4:45 PM CDT | Special Weather Statement | DLH | Cass | 45 min |
| Aug 29, 4:46 PM CDT | Special Weather Statement | DLH | Pine | 44 min |
| Aug 29, 5:04 PM CDT | Severe Thunderstorm Warning | DLH | Cass, Itasca | 41 min |
| Aug 29, 5:22 PM CDT | Tornado Warning | DLH | Cass | 23 min |
| Aug 29, 5:43 PM CDT | Severe Thunderstorm Warning | DLH | Cass, Itasca | 47 min |
| Aug 29, 6:30 PM CDT | Tornado Warning | DLH | Aitkin, Cass, Itasca | 30 min |
| Aug 29, 1:12 PM CDT | Special Weather Statement | DLH | Bayfield | 18 min |
| Aug 29, 1:35 PM CDT | Special Weather Statement | DLH | Bayfield | 25 min |
| Aug 29, 1:59 PM CDT | Special Weather Statement | DLH | Ashland, Bayfield | 21 min |
| Aug 29, 2:27 PM CDT | Special Weather Statement | DLH | Ashland, Iron | 23 min |
| Aug 29, 2:54 PM CDT | Special Weather Statement | DLH | Iron | 21 min |
| Aug 29, 3:22 PM CDT | Special Weather Statement | DLH | Iron | 23 min |
| Aug 29, 3:46 PM CDT | Special Weather Statement | DLH | Price | 14 min |
| Aug 29, 4:10 PM CDT | Special Weather Statement | DLH | Price | 35 min |
| Aug 29, 4:42 PM CDT | Special Weather Statement | DLH | Price | 18 min |
| Aug 29, 5:53 PM CDT | Special Weather Statement | DLH | Burnett, Washburn | 22 min |
| Aug 29, 6:21 PM CDT | Severe Thunderstorm Warning | DLH | Sawyer, Washburn | 39 min |
Nearby
Tornado Warnings in Minnesota, 2013Every tornado warning in 2013Tornadoes 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.