Alert archive / Minnesota / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 83, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at May 23, 2012, 5:45 PM CDT for Brown County, Nicollet County, Sibley 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 outline as issued.
The facts
- Issued
- May 23, 2012, 5:45 PM CDT (22:45 UTC)
- Expired
- May 23, 2012, 6:19 PM CDT
- In force
- 34 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 0.88 in
- Wind
- 65.0 mph
Counties Brown County, MN, Nicollet County, MN, Sibley County, MN
The radar
The Minneapolis radar (KMPX), 85 km from the middle of the area, began a volume at 22:47 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, 10.8 hours before the alert went out and 83 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
- 1960 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 354 m²/s²
- 0-3 km storm-relative helicity
- 362 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
932
WUUS53 KMPX 232245
SVRMPX
MNC015-103-143-232330-
/O.NEW.KMPX.SV.W.0083.120523T2245Z-120523T2330Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
545 PM CDT WED MAY 23 2012
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EASTERN BROWN COUNTY IN SOUTH CENTRAL MINNESOTA...
WESTERN NICOLLET COUNTY IN SOUTH CENTRAL MINNESOTA...
WESTERN SIBLEY COUNTY IN CENTRAL MINNESOTA...
* UNTIL 630 PM CDT
* AT 542 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM...CAPABLE OF
PRODUCING DAMAGING WINDS OF 65 MPH. THIS STORM WAS LOCATED 6 MILES
WEST OF HANSKA...OR ABOUT 12 MILES SOUTHWEST OF NEW ULM...AND
MOVING NORTHEAST AT 55 MPH. NICKEL SIZE HAIL MAY ALSO ACCOMPANY
THESE DAMAGING WINDS.
LOCATIONS IN THE WARNING INCLUDE...
NEW ULM...
GAYLORD...
HANSKA...
SLEEPY EYE...
KLOSSNER...
ST GEORGE...
LAFAYETTE...
GIBBON...
WINTHROP...
NEW AUBURN...
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.
&&
LAT...LON 4411 9485 4446 9468 4446 9462 4455 9463
4471 9455 4471 9450 4463 9449 4463 9426
4470 9425 4470 9401 4411 9449
TIME...MOT...LOC 2245Z 203DEG 50KT 4422 9459
WIND...HAIL 65MPH 0.88IN
$$2 follow-up statements
118
WWUS53 KMPX 232306
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
606 PM CDT WED MAY 23 2012
MNC015-232321-
/O.CAN.KMPX.SV.W.0083.000000T0000Z-120523T2330Z/
BROWN MN-
606 PM CDT WED MAY 23 2012
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN BROWN COUNTY IS
CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.
LAT...LON 4444 9469 4446 9468 4446 9462 4455 9463
4471 9455 4471 9450 4463 9449 4463 9426
4470 9425 4470 9401 4430 9434
TIME...MOT...LOC 2306Z 203DEG 50KT 4449 9443
$$
MNC103-143-232330-
/O.CON.KMPX.SV.W.0083.000000T0000Z-120523T2330Z/
NICOLLET MN-SIBLEY MN-
606 PM CDT WED MAY 23 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR WESTERN SIBLEY
AND NORTHWESTERN NICOLLET COUNTIES UNTIL 630 PM CDT...
AT 601 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS OF 60 MPH. THIS
STORM WAS LOCATED NEAR LAFAYETTE...OR 8 MILES NORTH OF NEW ULM...
MOVING NORTHEAST AT 55 MPH. NICKEL SIZE HAIL MAY ALSO ACCOMPANY THESE
DAMAGING WINDS.
LOCATIONS IMPACTED INCLUDE...
GAYLORD...WINTHROP...NEW AUBURN AND NEW SWEDEN.
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 4444 9469 4446 9468 4446 9462 4455 9463
4471 9455 4471 9450 4463 9449 4463 9426
4470 9425 4470 9401 4430 9434
TIME...MOT...LOC 2306Z 203DEG 50KT 4449 9443
WIND...HAIL 60MPH 0.88IN
$$345
WWUS53 KMPX 232319
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
619 PM CDT WED MAY 23 2012
MNC103-143-232334-
/O.CAN.KMPX.SV.W.0083.000000T0000Z-120523T2330Z/
NICOLLET MN-SIBLEY MN-
619 PM CDT WED MAY 23 2012
...THE SEVERE THUNDERSTORM WARNING FOR WESTERN SIBLEY AND
NORTHWESTERN NICOLLET COUNTIES IS CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR
PROPERTY...HOWEVER HEAVY RAIN IS STILL POSSIBLE WITH THIS
THUNDERSTORM.
LAT...LON 4444 9469 4446 9468 4446 9462 4455 9463
4471 9455 4471 9450 4463 9449 4463 9426
4470 9425 4470 9401 4430 9434
TIME...MOT...LOC 2319Z 203DEG 50KT 4466 9433
$$The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 23, 3:23 AM CDT | Flash Flood Watch | MPX | Anoka, Benton, Blue Earth, Brown, Carver, Chisago and 22 more | 34 hr |
| May 23, 10:56 AM CDT | Wind Advisory | MPX | Blue Earth, Faribault, Freeborn, Martin, Steele, Waseca | 8 hr |
| May 23, 12:39 PM CDT | Severe Thunderstorm Warning | MPX | Douglas, Pope, Todd | 51 min |
| May 23, 1:03 PM CDT | Special Weather Statement | MPX | Kanabec | 27 min |
| May 23, 2:06 PM CDT | Special Weather Statement | MPX | Chippewa, Douglas, Kandiyohi, Lac qui Parle, Morrison, Pope and 4 more | 84 min |
| May 23, 5:08 PM CDT | Severe Thunderstorm Warning | MPX | McLeod, Nicollet, Sibley | 37 min |
| May 23, 5:17 PM CDT | Severe Thunderstorm Warning | MPX | Brown, Nicollet, Watonwan | 28 min |
| May 23, 5:59 PM CDT | Special Weather Statement | MPX | Redwood | 46 min |
| May 23, 6:51 PM CDT | Special Weather Statement | MPX | Renville | 39 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2012Every severe thunderstorm warning in 2012
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.