Alert archive / Minnesota / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 224, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 2, 2011, 7:23 AM CDT for 4 counties in Minnesota. It was in force for 67 min. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Aug 2, 2011, 7:23 AM CDT (12:23 UTC)
- Expired
- Aug 2, 2011, 8:30 AM CDT
- In force
- 67 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Meeker County, MN, Sherburne County, MN, Stearns County, MN, Wright County, MN
The radar
The Minneapolis radar (KMPX), 53 km from the middle of the area, began a volume at 12:24 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 2, 8:00 AM CDT | TSTM WND DMG | 2 Nw Howard Lake, MN | LARGE TREE BLOCKING COUNTY ROAD 5. |
| Aug 2, 8:05 AM CDT | TSTM WND GST 63 | St Cloud, MN | AIRPORT ASOS |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
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 12:00Z, 0.4 hours before the alert went out and 51 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
- 2133 J/kg
- Mixed-layer CIN
- -209 J/kg
- Mixed-layer LCL
- 850 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 233 m²/s²
- 0-3 km storm-relative helicity
- 194 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
544
WUUS53 KMPX 021223
SVRMPX
MNC093-141-145-171-021330-
/O.NEW.KMPX.SV.W.0224.110802T1223Z-110802T1330Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
723 AM CDT TUE AUG 2 2011
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EASTERN MEEKER COUNTY IN CENTRAL MINNESOTA...
SHERBURNE COUNTY IN CENTRAL MINNESOTA...
SOUTHEASTERN STEARNS COUNTY IN CENTRAL MINNESOTA...
WRIGHT COUNTY IN CENTRAL MINNESOTA...
* UNTIL 830 AM CDT
* AT 720 AM CDT...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 EDEN VALLEY TO
LITCHFIELD TO THORPE...AND MOVING EAST AT 50 MPH. PENNY SIZE HAIL
MAY ALSO ACCOMPANY THESE DAMAGING WINDS.
LOCATIONS IN THE WARNING INCLUDE...
ST CLOUD...
BUFFALO...
RICHMOND...
ST NICHOLAS...
WATKINS...
COLD SPRING...
DARWIN...
KIMBALL...
PLEASANT LAKE...
DASSEL...
SOUTH HAVEN...
FAIRHAVEN...
LUXEMBURG...
WAITE PARK...
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.
WIND DAMAGE WITH THIS STORM WILL OCCUR WELL AHEAD OF ANY RAIN OR
LIGHTNING. DO NOT WAIT FOR THE SOUND OF THUNDER BEFORE TAKING COVER.
SEEK SHELTER IMMEDIATELY INSIDE A STURDY STRUCTURE AND STAY AWAY FROM
WINDOWS.
&&
LAT...LON 4556 9374 4526 9355 4521 9359 4521 9365
4517 9364 4514 9371 4509 9373 4507 9377
4498 9377 4498 9449 4531 9449 4550 9464
4556 9415
TIME...MOT...LOC 1223Z 262DEG 44KT 4531 9449 4510 9451
4493 9474
WIND...HAIL 60MPH 0.75IN
$$2 follow-up statements
918
WWUS53 KMPX 021302
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
802 AM CDT TUE AUG 2 2011
MNC093-021317-
/O.CAN.KMPX.SV.W.0224.000000T0000Z-110802T1330Z/
MEEKER MN-
802 AM CDT TUE AUG 2 2011
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN MEEKER COUNTY IS
CANCELLED...
THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE
WARNED AREA.
LAT...LON 4526 9355 4522 9359 4521 9366 4517 9364
4514 9371 4509 9373 4507 9377 4498 9377
4498 9426 4528 9426 4552 9439 4556 9415
4556 9374
TIME...MOT...LOC 1302Z 262DEG 44KT 4556 9396 4526 9381
4499 9388
$$
MNC141-145-171-021330-
/O.CON.KMPX.SV.W.0224.000000T0000Z-110802T1330Z/
SHERBURNE MN-STEARNS MN-WRIGHT MN-
802 AM CDT TUE AUG 2 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR WRIGHT...
SOUTHEASTERN STEARNS AND SHERBURNE COUNTIES UNTIL 830 AM CDT...
AT 757 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 6
MILES EAST OF ST CLOUD TO 5 MILES NORTH OF BUFFALO TO WINSTED...
MOVING EAST AT 50 MPH. PENNY SIZE HAIL MAY ALSO ACCOMPANY THESE
DAMAGING WINDS.
LOCATIONS IMPACTED INCLUDE...
MONTICELLO...DELANO...BIG LAKE...ROCKFORD...SANTIAGO...
ALBERTVILLE...ST MICHAEL AND OTSEGO.
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.
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 9355 4522 9359 4521 9366 4517 9364
4514 9371 4509 9373 4507 9377 4498 9377
4498 9426 4528 9426 4552 9439 4556 9415
4556 9374
TIME...MOT...LOC 1302Z 262DEG 44KT 4556 9396 4526 9381
4499 9388
WIND...HAIL 60MPH 0.75IN
$$115
WWUS53 KMPX 021316
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
816 AM CDT TUE AUG 2 2011
MNC145-021331-
/O.CAN.KMPX.SV.W.0224.000000T0000Z-110802T1330Z/
STEARNS MN-
816 AM CDT TUE AUG 2 2011
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN STEARNS COUNTY IS
CANCELLED...
THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE
WARNED AREA.
LAT...LON 4526 9355 4522 9359 4521 9366 4517 9364
4514 9371 4509 9373 4507 9377 4498 9377
4498 9410 4542 9405 4556 9415 4556 9374
TIME...MOT...LOC 1316Z 262DEG 44KT 4558 9371 4528 9357
4501 9364
$$
MNC141-171-021330-
/O.CON.KMPX.SV.W.0224.000000T0000Z-110802T1330Z/
SHERBURNE MN-WRIGHT MN-
816 AM CDT TUE AUG 2 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR WRIGHT AND
SHERBURNE COUNTIES UNTIL 830 AM CDT...
AT 810 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
SANTIAGO TO ALBERTVILLE TO INDEPENDENCE...MOVING EAST AT 50 MPH.
PENNY SIZE HAIL MAY ALSO ACCOMPANY THESE DAMAGING WINDS.
LOCATIONS IMPACTED INCLUDE...
ST MICHAEL...BUFFALO...HANOVER...BIG LAKE...
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.
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 9355 4522 9359 4521 9366 4517 9364
4514 9371 4509 9373 4507 9377 4498 9377
4498 9410 4542 9405 4556 9415 4556 9374
TIME...MOT...LOC 1316Z 262DEG 44KT 4558 9371 4528 9357
4501 9364
WIND...HAIL 60MPH 0.75IN
$$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, 6:41 AM CDT | Severe Thunderstorm Warning | MPX | Kandiyohi, Pope, Stearns, Swift | 51 min |
| Aug 2, 6:56 AM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Kandiyohi, Meeker, Swift | 64 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.