Alert archive / Minnesota / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 222, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 2, 2011, 6:41 AM CDT for 4 counties in Minnesota. It was in force for 51 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
- Aug 2, 2011, 6:41 AM CDT (11:41 UTC)
- Expired
- Aug 2, 2011, 7:32 AM CDT
- In force
- 51 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Kandiyohi County, MN, Pope County, MN, Stearns County, MN, Swift County, MN
The radar
The Minneapolis radar (KMPX), 151 km from the middle of the area, began a volume at 11:43 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 2, 5:23 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 11.7 hours before the alert went out and 149 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
- 3 J/kg
- Mixed-layer CIN
- -595 J/kg
- Mixed-layer LCL
- 1515 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 308 m²/s²
- 0-3 km storm-relative helicity
- 808 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 9.9
The text
As transmitted, in the capitals the NWS used until 2016.
272 WUUS53 KMPX 021141 SVRMPX MNC067-121-145-151-021245- /O.NEW.KMPX.SV.W.0222.110802T1141Z-110802T1245Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 641 AM CDT TUE AUG 2 2011 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHERN KANDIYOHI COUNTY IN CENTRAL MINNESOTA... POPE COUNTY IN WEST CENTRAL MINNESOTA... WESTERN STEARNS COUNTY IN CENTRAL MINNESOTA... NORTHEASTERN SWIFT COUNTY IN WEST CENTRAL MINNESOTA... * UNTIL 745 AM CDT * AT 639 AM CDT...RADAR INDICATED A SEVERE THUNDERSTORM...CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 7 MILES SOUTH OF STARBUCK...OR ABOUT 13 MILES SOUTHWEST OF GLENWOOD...AND MOVING EAST AT 35 MPH. PENNY SIZE HAIL MAY ALSO ACCOMPANY THESE DAMAGING WINDS. LOCATIONS IN THE WARNING INCLUDE... BENSON... GLENWOOD... STARBUCK... CLONTARF... DANVERS... LOWRY... LONG BEACH... SEDAN... SUNBURG... BELGRADE... SAUK CENTRE... NEW LONDON... ELROSA... GEORGEVILLE... PRECAUTIONARY/PREPAREDNESS ACTIONS... IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR DAMAGING WINDS IN EXCESS OF 60 MPH AND HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS. REPORT ANY SIGNIFICANT WIND OR HAIL DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY...FOR RELAY TO THE NATIONAL WEATHER SERVICE. && LAT...LON 4576 9489 4530 9481 4528 9577 4575 9565 TIME...MOT...LOC 1142Z 269DEG 29KT 4551 9552 WIND...HAIL 60MPH 0.75IN $$
2 follow-up statements
549
WWUS53 KMPX 021213
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
713 AM CDT TUE AUG 2 2011
MNC121-151-021227-
/O.CAN.KMPX.SV.W.0222.000000T0000Z-110802T1245Z/
POPE MN-SWIFT MN-
713 AM CDT TUE AUG 2 2011
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN SWIFT AND POPE
COUNTIES IS CANCELLED...
THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE
WARNED AREA.
LAT...LON 4530 9481 4530 9518 4542 9513 4543 9514
4547 9513 4559 9514 4575 9514 4576 9489
TIME...MOT...LOC 1212Z 250DEG 37KT 4569 9490 4548 9510
$$
MNC067-145-021245-
/O.CON.KMPX.SV.W.0222.000000T0000Z-110802T1245Z/
KANDIYOHI MN-STEARNS MN-
713 AM CDT TUE AUG 2 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR WESTERN
STEARNS AND NORTHERN KANDIYOHI COUNTIES UNTIL 745 AM CDT...
AT 711 AM 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 SAUK
CENTRE TO 6 MILES WEST OF BELGRADE...MOVING EAST AT 45 MPH.
LOCATIONS IMPACTED INCLUDE...
BELGRADE...ELROSA...MEIRE GROVE...GEORGEVILLE AND REGAL.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...LARGE HAIL...AND DEADLY LIGHTNING. FOR YOUR PROTECTION MOVE TO
AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS.
&&
LAT...LON 4530 9481 4530 9518 4542 9513 4543 9514
4547 9513 4559 9514 4575 9514 4576 9489
TIME...MOT...LOC 1212Z 250DEG 37KT 4569 9490 4548 9510
WIND...HAIL 60MPH <.75IN
$$525
WWUS53 KMPX 021232
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
732 AM CDT TUE AUG 2 2011
MNC067-145-021246-
/O.CAN.KMPX.SV.W.0222.000000T0000Z-110802T1245Z/
KANDIYOHI MN-STEARNS MN-
732 AM CDT TUE AUG 2 2011
...THE SEVERE THUNDERSTORM WARNING FOR WESTERN STEARNS AND NORTHERN
KANDIYOHI COUNTIES IS CANCELLED...
THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED AND MOVED
OUT OF THE WARNED AREA. HOWEVER... A SEPARATE SEVERE THUNDERSTORM
WARNING FOR A DIFFERENT LINE OF STORMS IS IN EFFECT FOR SOUTHEAST
STEARNS AND MUCH OF KANDIYOHI COUNTIES THROUGH 830 AM CDT.
ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A SEVERE
THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1 PM CDT.
LAT...LON 4530 9481 4530 9518 4542 9513 4543 9514
4547 9513 4559 9514 4575 9514 4576 9489
TIME...MOT...LOC 1231Z 250DEG 37KT 4575 9464 4555 9484
$$The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 12:00 AM CDT | River Flood Warning | MPX | Todd | 57 hr |
| Aug 2, 5:26 AM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Lac qui Parle, Swift, Yellow Medicine | 64 min |
| Aug 2, 6:06 AM CDT | Special Weather Statement | MPX | Pope, Stevens | 54 min |
| Aug 2, 6:56 AM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Kandiyohi, Meeker, Swift | 64 min |
| Aug 2, 7:23 AM CDT | Severe Thunderstorm Warning | MPX | Meeker, Sherburne, Stearns, Wright | 67 min |
| Aug 2, 7:24 AM CDT | Special Weather Statement | MPX | Benton, Carver, Isanti, McLeod, Sherburne, Sibley and 1 more | 36 min |
| Aug 2, 7:39 AM CDT | Severe Thunderstorm Warning | MPX | Benton, Stearns | 51 min |
| Aug 2, 7:57 AM CDT | Severe Thunderstorm Warning | MPX | Anoka, Hennepin, Isanti, Ramsey, Sherburne, Wright | 48 min |
| Aug 2, 8:05 AM CDT | Severe Thunderstorm Warning | MPX | Benton, Isanti, Kanabec, Mille Lacs | 55 min |
| Aug 2, 8:31 AM CDT | Severe Thunderstorm Warning | MPX | Anoka, Chisago, Isanti, Washington | 74 min |
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.