Alert archive / Minnesota / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 2, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Mar 19, 2012, 6:42 PM CDT for 5 counties in Minnesota. It was in force for 33 min. 1 report 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
- Mar 19, 2012, 6:42 PM CDT (23:42 UTC)
- Expired
- Mar 19, 2012, 7:15 PM CDT
- In force
- 33 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Carver County, MN, Le Sueur County, MN, Rice County, MN, Scott County, MN, Sibley County, MN
The radar
The Minneapolis radar (KMPX), 18 km from the middle of the area, began a volume at 23:42 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 |
|---|---|---|---|
| Mar 19, 7:05 PM CDT | TSTM WND DMG | Carver, MN | DAMAGE TO GAS STATION IN DOWNTOWN CARVER. ROOF OF GAS PUMPS HAD SHEET METAL RIPPED OFF. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 11.7 hours before the alert went out and 18 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
- 344 J/kg
- Mixed-layer CIN
- -272 J/kg
- Mixed-layer LCL
- 709 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 116 m²/s²
- 0-3 km storm-relative helicity
- 91 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
438
WUUS53 KMPX 192342
SVRMPX
MNC019-079-131-139-143-200015-
/O.NEW.KMPX.SV.W.0002.120319T2342Z-120320T0015Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
642 PM CDT MON MAR 19 2012
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHEASTERN CARVER COUNTY IN EAST CENTRAL MINNESOTA...
NORTHEASTERN LE SUEUR COUNTY IN SOUTH CENTRAL MINNESOTA...
EXTREME NORTHWESTERN RICE COUNTY IN SOUTH CENTRAL MINNESOTA...
WESTERN SCOTT COUNTY IN EAST CENTRAL MINNESOTA...
EXTREME NORTHEASTERN SIBLEY COUNTY IN CENTRAL MINNESOTA...
* UNTIL 715 PM CDT
* AT 637 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM...CAPABLE OF
PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED NEAR LE CENTER...OR ABOUT 13 MILES EAST OF ST PETER...AND
MOVING NORTH AT 50 MPH.
LOCATIONS IN THE WARNING INCLUDE...
LE CENTER...
ST HENRY...
KILKENNY...
MONTGOMERY...
NEW PRAGUE...
BELLE PLAINE...
JORDAN...
MARYSTOWN...
CARVER...
COLOGNE...
CHASKA...
SHAKOPEE...
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.
DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM.
WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A
TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A
STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.
&&
LAT...LON 4485 9390 4484 9352 4480 9352 4481 9350
4480 9347 4431 9354 4429 9383
TIME...MOT...LOC 2343Z 180DEG 41KT 4439 9370
WIND...HAIL 60MPH <.75IN
$$1 follow-up statement
767
WWUS53 KMPX 200002
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
702 PM CDT MON MAR 19 2012
MNC079-143-200017-
/O.CAN.KMPX.SV.W.0002.000000T0000Z-120320T0015Z/
LE SUEUR MN-SIBLEY MN-
702 PM CDT MON MAR 19 2012
...THE SEVERE THUNDERSTORM WARNING FOR EXTREME NORTHEASTERN SIBLEY
AND NORTHERN LE SUEUR COUNTIES IS CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.
LAT...LON 4480 9347 4460 9350 4464 9377 4468 9377
4468 9384 4485 9390 4484 9352 4480 9352
4481 9350
TIME...MOT...LOC 0002Z 184DEG 53KT 4470 9366
$$
MNC019-139-200015-
/O.CON.KMPX.SV.W.0002.000000T0000Z-120320T0015Z/
CARVER MN-SCOTT MN-
702 PM CDT MON MAR 19 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CENTRAL SCOTT
AND SOUTHEASTERN CARVER COUNTIES UNTIL 715 PM CDT...
AT 658 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH.
THIS STORM WAS LOCATED NEAR JORDAN...OR 17 MILES NORTHEAST OF LE
SUEUR...MOVING NORTH AT 60 MPH.
LOCATIONS IMPACTED INCLUDE...
MARYSTOWN...CARVER...COLOGNE...SHAKOPEE AND CHASKA.
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 4480 9347 4460 9350 4464 9377 4468 9377
4468 9384 4485 9390 4484 9352 4480 9352
4481 9350
TIME...MOT...LOC 0002Z 184DEG 53KT 4470 9366
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, 2:38 PM CDT | Special Weather Statement | MPX | Lac qui Parle | 37 min |
| Mar 19, 3:13 PM CDT | Special Weather Statement | MPX | Stevens, Swift | 47 min |
| Mar 19, 6:33 PM CDT | Special Weather Statement | MPX | Carver, Le Sueur, Rice, Scott | 42 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.