Alert archive / Minnesota / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 4, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Mar 19, 2012, 7:37 PM CDT for 6 counties in Minnesota. It was in force for 38 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
- Mar 19, 2012, 7:37 PM CDT (00:37 UTC)
- Expired
- Mar 19, 2012, 8:15 PM CDT
- In force
- 38 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Anoka County, MN, Hennepin County, MN, Isanti County, MN, Mille Lacs County, MN, Sherburne County, MN, Wright County, MN
The radar
The Minneapolis radar (KMPX), 78 km from the middle of the area, began a volume at 00:38 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 00:00Z, 0.6 hours before the alert went out and 78 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
- 735 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 1071 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 213 m²/s²
- 0-3 km storm-relative helicity
- 351 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.0
The text
As transmitted, in the capitals the NWS used until 2016.
818
WUUS53 KMPX 200037
SVRMPX
MNC003-053-059-095-141-171-200115-
/O.NEW.KMPX.SV.W.0004.120320T0037Z-120320T0115Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
737 PM CDT MON MAR 19 2012
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
WESTERN ANOKA COUNTY IN EAST CENTRAL MINNESOTA...
NORTH CENTRAL HENNEPIN COUNTY IN EAST CENTRAL MINNESOTA...
WESTERN ISANTI COUNTY IN EAST CENTRAL MINNESOTA...
SOUTHERN MILLE LACS COUNTY IN EAST CENTRAL MINNESOTA...
EASTERN SHERBURNE COUNTY IN CENTRAL MINNESOTA...
EAST CENTRAL WRIGHT COUNTY IN CENTRAL MINNESOTA...
* UNTIL 815 PM CDT
* AT 733 PM 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 MONTICELLO TO ST
MICHAEL TO PLYMOUTH...AND MOVING NORTH AT 60 MPH.
LOCATIONS IN THE WARNING INCLUDE...
PRINCETON...
CAMBRIDGE...
MILACA...
ROGERS...
MAPLE GROVE...
MONTICELLO...
ALBERTVILLE...
OSSEO...
ST MICHAEL...
HANOVER...
OTSEGO...
CHAMPLIN...
DAYTON...
ZIMMERMAN...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR
DAMAGING WINDS IN EXCESS OF 60 MPH. SEEK SHELTER NOW INSIDE A STURDY
STRUCTURE AND STAY AWAY FROM WINDOWS.
&&
LAT...LON 4574 9351 4569 9335 4563 9318 4504 9333
4522 9384 4556 9376 4581 9376
TIME...MOT...LOC 0036Z 184DEG 53KT 4529 9378 4525 9361
4511 9344
WIND...HAIL 60MPH <.75IN
$$1 follow-up statement
609
WWUS53 KMPX 200100
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
800 PM CDT MON MAR 19 2012
MNC053-171-200116-
/O.CAN.KMPX.SV.W.0004.000000T0000Z-120320T0115Z/
HENNEPIN MN-WRIGHT MN-
800 PM CDT MON MAR 19 2012
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL WRIGHT AND NORTH
CENTRAL HENNEPIN COUNTIES IS CANCELLED...
THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE
WARNED AREA.
LAT...LON 4574 9351 4569 9335 4563 9318 4522 9328
4541 9380 4556 9376 4581 9376
TIME...MOT...LOC 0101Z 184DEG 53KT 4566 9374 4562 9357
4548 9340
$$
MNC003-059-095-141-200115-
/O.CON.KMPX.SV.W.0004.000000T0000Z-120320T0115Z/
ANOKA MN-ISANTI MN-MILLE LACS MN-SHERBURNE MN-
800 PM CDT MON MAR 19 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EASTERN
SHERBURNE...SOUTHERN MILLE LACS...WESTERN ISANTI AND NORTHWESTERN
ANOKA COUNTIES UNTIL 815 PM CDT...
AT 756 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
GLENDORADO TO PRINCETON TO ST FRANCIS...MOVING NORTH AT 60 MPH.
LOCATIONS IMPACTED INCLUDE...
CAMBRIDGE...MILACA...PEASE...FORESTON...GRANDY AND DALBO.
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 4574 9351 4569 9335 4563 9318 4522 9328
4541 9380 4556 9376 4581 9376
TIME...MOT...LOC 0101Z 184DEG 53KT 4566 9374 4562 9357
4548 9340
WIND...HAIL 60MPH <.75IN
$$The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 19, 7:12 PM CDT | Severe Thunderstorm Warning | MPX | Anoka, Carver, Hennepin, Scott, Wright | 33 min |
| Mar 19, 8:22 PM CDT | Special Weather Statement | MPX | Dakota, Goodhue, Ramsey, Washington | 38 min |
| Mar 19, 9:14 PM CDT | Special Weather Statement | MPX | Chisago | 46 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.