Alert archive / Minnesota / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 184, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 26, 2011, 10:26 PM CDT for 6 counties in Minnesota. It was in force for 79 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 26, 2011, 10:26 PM CDT (03:26 UTC)
- Expired
- Jul 26, 2011, 11:45 PM CDT
- In force
- 79 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 0.88 in
- Wind
- 70.0 mph
Counties Chippewa County, MN, Douglas County, MN, Lac qui Parle County, MN, Pope County, MN, Stevens County, MN, Swift County, MN
The radar
The Aberdeen radar (KABR), 186 km from the middle of the area, began a volume at 03:26 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 26, 7:32 PM CDT | Tornado Watch | SPC | 5 hr |
| Jul 26, 10:10 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Aberdeen, SD (KABR), launched 00:00Z, 3.4 hours before the alert went out and 194 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
- 3555 J/kg
- Mixed-layer CIN
- -42 J/kg
- Mixed-layer LCL
- 900 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 289 m²/s²
- 0-3 km storm-relative helicity
- 399 m²/s²
- Significant tornado parameter
- 7.2
- Supercell composite
- 32.6
The text
As transmitted, in the capitals the NWS used until 2016.
234
WUUS53 KMPX 270326
SVRMPX
MNC023-041-073-121-149-151-270445-
/O.NEW.KMPX.SV.W.0184.110727T0326Z-110727T0445Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1026 PM CDT TUE JUL 26 2011
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHWESTERN CHIPPEWA COUNTY IN WEST CENTRAL MINNESOTA...
SOUTHERN DOUGLAS COUNTY IN WEST CENTRAL MINNESOTA...
LAC QUI PARLE COUNTY IN WEST CENTRAL MINNESOTA...
POPE COUNTY IN WEST CENTRAL MINNESOTA...
STEVENS COUNTY IN WEST CENTRAL MINNESOTA...
SWIFT COUNTY IN WEST CENTRAL MINNESOTA...
* UNTIL 1145 PM CDT
* AT 1021 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM...CAPABLE OF
PRODUCING DESTRUCTIVE WINDS IN EXCESS OF 70 MPH. THIS STORM WAS
LOCATED 6 MILES NORTHWEST OF CHOKIO...OR ABOUT 17 MILES SOUTHEAST
OF WHEATON...AND MOVING EAST AT 35 MPH. NICKEL SIZE HAIL MAY ALSO
ACCOMPANY THESE DAMAGING WINDS.
LOCATIONS IN THE WARNING INCLUDE...
MADISON...
MORRIS...
BENSON...
GLENWOOD...
ALEXANDRIA...
BELLINGHAM...
NASSAU...
MARIETTA...
LOUISBURG...
CHOKIO...
ALBERTA...
APPLETON...
DONNELLY...
MILAN...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS SITUATION. IF YOU ARE IN THE PATH OF THIS
STORM...PREPARE IMMEDIATELY FOR DESTRUCTIVE WINDS...WHICH CAN UPROOT
TREES...DOWN POWER LINES...AND CAUSE DAMAGE TO ROOFS AND WINDOWS.
EVACUATE MOBILE HOMES AS THEY MAY BE OVERTURNED. HAIL IS ALSO
EXPECTED...WHICH CAN CAUSE MINOR DAMAGE TO VEHICLES AND WINDOWS. SEEK
SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.
THIS STORM HAS A HISTORY OF PRODUCING DESTRUCTIVE WINDS AND LARGE
DAMAGING HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY
AWAY FROM WINDOWS!
&&
LAT...LON 4526 9645 4528 9643 4526 9629 4520 9614
4522 9611 4540 9613 4541 9623 4544 9626
4576 9627 4577 9577 4597 9578 4597 9517
4540 9529 4515 9549 4495 9578 4482 9644
TIME...MOT...LOC 0326Z 269DEG 32KT 4563 9619
WIND...HAIL 70MPH 0.88IN
$$3 follow-up statements
264
WWUS53 KMPX 270340
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1040 PM CDT TUE JUL 26 2011
MNC023-041-073-121-149-151-270445-
/O.CON.KMPX.SV.W.0184.000000T0000Z-110727T0445Z/
LAC QUI PARLE MN-CHIPPEWA MN-DOUGLAS MN-POPE MN-STEVENS MN-SWIFT MN-
1040 PM CDT TUE JUL 26 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SWIFT...
STEVENS...POPE...SOUTHERN DOUGLAS...NORTHWESTERN CHIPPEWA AND LAC QUI
PARLE COUNTIES IN WEST CENTRAL MINNESOTA UNTIL 1145 PM CDT...
AT 1038 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DESTRUCTIVE WINDS IN EXCESS
OF 70 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM
DONNELLY TO ARTICHOKE TO NASSAU...MOVING EAST AT 45 MPH. PENNY SIZE
HAIL MAY ALSO ACCOMPANY THESE DAMAGING WINDS.
LOCATIONS IMPACTED INCLUDE...
MORRIS...MADISON...BENSON...ALEXANDRIA...GLENWOOD...BELLINGHAM...
LOUISBURG...APPLETON...HANCOCK...KENSINGTON...HOLLOWAY...CYRUS...
BRANDON...DANVERS AND MILAN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS SITUATION. IF YOU ARE IN THE PATH OF THIS
STORM...PREPARE IMMEDIATELY FOR DESTRUCTIVE WINDS...WHICH CAN UPROOT
TREES...DOWN POWER LINES...AND CAUSE DAMAGE TO ROOFS AND WINDOWS.
EVACUATE MOBILE HOMES AS THEY MAY BE OVERTURNED. HAIL IS ALSO
EXPECTED...WHICH CAN CAUSE DAMAGE TO VEHICLES AND WINDOWS. SEEK
SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.
THIS STORM HAS A HISTORY OF PRODUCING DESTRUCTIVE WINDS. SEEK
SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS!
&&
LAT...LON 4526 9645 4528 9643 4526 9629 4520 9614
4522 9611 4540 9613 4541 9623 4544 9626
4576 9627 4577 9577 4597 9578 4597 9517
4540 9529 4515 9549 4495 9578 4482 9644
TIME...MOT...LOC 0340Z 286DEG 40KT 4568 9600 4537 9609
4511 9635
WIND...HAIL 70MPH 0.75IN
$$707
WWUS53 KMPX 270412
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1112 PM CDT TUE JUL 26 2011
MNC023-041-073-121-149-151-270445-
/O.CON.KMPX.SV.W.0184.000000T0000Z-110727T0445Z/
LAC QUI PARLE MN-CHIPPEWA MN-DOUGLAS MN-POPE MN-STEVENS MN-SWIFT MN-
1112 PM CDT TUE JUL 26 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SWIFT...
STEVENS...POPE...SOUTHERN DOUGLAS...NORTHWESTERN CHIPPEWA AND LAC QUI
PARLE COUNTIES IN WEST CENTRAL MINNESOTA UNTIL 1145 PM CDT...
AT 1110 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF
60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM CYRUS
TO HOLLOWAY TO MADISON...MOVING EAST AT 45 MPH. PENNY SIZE HAIL MAY
ALSO ACCOMPANY THESE DAMAGING WINDS.
LOCATIONS IMPACTED INCLUDE...
MADISON...ALEXANDRIA...BENSON...GLENWOOD...LOWRY...DANVERS...
STARBUCK...CLONTARF...MILAN...LONG BEACH...BIG BEND CITY...
FORADA...DE GRAFF...WATSON AND CERRO GORDO.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...HAIL...AND DEADLY LIGHTNING. FOR YOUR PROTECTION MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS.
&&
LAT...LON 4526 9645 4528 9643 4526 9629 4520 9614
4522 9611 4540 9613 4541 9623 4544 9626
4576 9627 4577 9577 4597 9578 4597 9517
4540 9529 4515 9549 4495 9578 4482 9644
TIME...MOT...LOC 0413Z 286DEG 40KT 4561 9560 4527 9579
4501 9623
WIND...HAIL 60MPH 0.75IN
$$877
WWUS53 KMPX 270441
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1141 PM CDT TUE JUL 26 2011
MNC023-041-073-121-149-151-270456-
/O.EXP.KMPX.SV.W.0184.000000T0000Z-110727T0445Z/
LAC QUI PARLE MN-CHIPPEWA MN-DOUGLAS MN-POPE MN-STEVENS MN-SWIFT MN-
1141 PM CDT TUE JUL 26 2011
...THE SEVERE THUNDERSTORM WARNING FOR SWIFT...STEVENS...POPE...
SOUTHERN DOUGLAS...NORTHWESTERN CHIPPEWA AND LAC QUI PARLE COUNTIES
IN WEST CENTRAL MINNESOTA WILL EXPIRE AT 1145 PM CDT...
THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED BELOW
SEVERE LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR
PROPERTY...HOWEVER GUSTY WINDS AND HEAVY RAIN ARE STILL POSSIBLE WITH
THESE THUNDERSTORMS.
LAT...LON 4526 9645 4528 9643 4526 9629 4520 9614
4522 9611 4540 9613 4541 9623 4544 9626
4576 9627 4577 9577 4597 9578 4597 9517
4540 9529 4515 9549 4495 9578 4482 9644
TIME...MOT...LOC 0441Z 286DEG 40KT 4552 9517 4518 9537
4492 9581
$$The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 26, 8:56 PM CDT | Special Weather Statement | MPX | Douglas, Stevens | 64 min |
| Jul 26, 9:36 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Lac qui Parle, Pope, Stevens, Swift | 54 min |
| Jul 26, 11:59 PM CDT | Severe Thunderstorm Warning | MPX | Kandiyohi, Pope, Stearns, Swift | 61 min |
| Jul 27, 12:04 AM CDT | Flash Flood Watch | MPX | Anoka, Benton, Carver, Chippewa, Chisago, Dakota and 20 more | 9 hr |
| Jul 27, 2:22 AM CDT | Special Weather Statement | MPX | Chisago, Isanti, Kanabec | 23 min |
| Jul 27, 3:16 AM CDT | Special Weather Statement | MPX | Brown | 59 min |
| Jul 27, 3:49 AM CDT | Special Weather Statement | MPX | Brown, McLeod, Nicollet, Sibley | 56 min |
| Jul 27, 5:24 AM CDT | Areal Flood Advisory | MPX | Blue Earth, Faribault, Martin, Watonwan | 4 hr |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2011Every severe thunderstorm warning in 2011
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.