Alert archive / Minnesota / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 269, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 23, 2012, 7:12 PM CDT for Wright County, Minnesota. It was in force for 33 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 23, 2012, 7:12 PM CDT (00:12 UTC)
- Expired
- Aug 23, 2012, 7:45 PM CDT
- In force
- 33 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Wright County, MN
The radar
The Minneapolis radar (KMPX), 52 km from the middle of the area, began a volume at 00:14 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, 0.2 hours before the alert went out and 50 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
- 1357 J/kg
- Mixed-layer CIN
- -65 J/kg
- Mixed-layer LCL
- 1842 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 105 m²/s²
- 0-3 km storm-relative helicity
- 223 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 8.5
The text
As transmitted, in the capitals the NWS used until 2016.
718 WUUS53 KMPX 240012 SVRMPX MNC171-240045- /O.NEW.KMPX.SV.W.0269.120824T0012Z-120824T0045Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 712 PM CDT THU AUG 23 2012 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CENTRAL WRIGHT COUNTY IN CENTRAL MINNESOTA... * UNTIL 745 PM CDT * AT 710 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM...CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS OF 60 MPH. THIS STORM WAS LOCATED 12 MILES SOUTHWEST OF BUFFALO...OR ABOUT 20 MILES NORTHEAST OF HUTCHINSON...AND MOVING NORTHEAST AT 20 MPH. LOCATIONS IN THE WARNING INCLUDE... BUFFALO... RASSAT... MAPLE LAKE... PRECAUTIONARY/PREPAREDNESS ACTIONS... IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR DAMAGING WINDS IN EXCESS OF 60 MPH AND LARGE HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS. && LAT...LON 4531 9408 4520 9379 4503 9403 4508 9416 TIME...MOT...LOC 0012Z 224DEG 17KT 4508 9405 WIND...HAIL 60MPH 1.00IN $$ JRB
2 follow-up statements
374 WWUS53 KMPX 240028 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 728 PM CDT THU AUG 23 2012 MNC171-240045- /O.CON.KMPX.SV.W.0269.000000T0000Z-120824T0045Z/ WRIGHT MN- 728 PM CDT THU AUG 23 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CENTRAL WRIGHT COUNTY UNTIL 745 PM CDT... AT 725 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS OF 60 MPH. THIS STORM WAS LOCATED 7 MILES SOUTHWEST OF BUFFALO...OR 25 MILES NORTHEAST OF HUTCHINSON...MOVING NORTHEAST AT 20 MPH. LOCATIONS IMPACTED INCLUDE... BUFFALO. PRECAUTIONARY/PREPAREDNESS ACTIONS... SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER HOUR...LARGE HAIL...AND DEADLY LIGHTNING. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. && LAT...LON 4506 9410 4525 9392 4520 9379 4503 9403 TIME...MOT...LOC 0029Z 224DEG 17KT 4514 9397 WIND...HAIL 60MPH 1.00IN $$ JRB
363 WWUS53 KMPX 240042 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 742 PM CDT THU AUG 23 2012 MNC171-240057- /O.EXP.KMPX.SV.W.0269.000000T0000Z-120824T0045Z/ WRIGHT MN- 742 PM CDT THU AUG 23 2012 ...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL WRIGHT COUNTY WILL EXPIRE AT 745 PM CDT... THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED AREA...HOWEVER HEAVY RAIN IS STILL POSSIBLE WITH THIS THUNDERSTORM. LAT...LON 4506 9410 4525 9392 4520 9379 4503 9403 TIME...MOT...LOC 0042Z 224DEG 17KT 4518 9391 $$ JRB
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 23, 7:02 PM CDT | Special Weather Statement | MPX | Wright | 28 min |
| Aug 23, 7:08 PM CDT | Special Weather Statement | MPX | Redwood | 52 min |
| Aug 23, 7:46 PM CDT | Severe Thunderstorm Warning | MPX | Carver, McLeod, Wright | 44 min |
| Aug 23, 7:53 PM CDT | Severe Thunderstorm Warning | MPX | Renville, Sibley | 37 min |
| Aug 23, 8:07 PM CDT | Severe Thunderstorm Warning | MPX | McLeod, Sibley | 38 min |
| Aug 23, 8:37 PM CDT | Severe Thunderstorm Warning | MPX | Carver, Hennepin, McLeod, Sibley | 38 min |
| Aug 23, 8:47 PM CDT | Areal Flood Advisory | MPX | Carver, Hennepin, McLeod, Wright | 3 hr |
| Aug 23, 8:49 PM CDT | Tornado Warning | MPX | Carver | 14 min |
| Aug 23, 9:00 PM CDT | Special Weather Statement | MPX | Carver, Dakota, Hennepin, Ramsey, Scott, Washington and 1 more | 90 min |
| Aug 23, 9:02 PM CDT | Severe Thunderstorm Warning | MPX | Carver, Hennepin, Scott | 23 min |
| Aug 23, 9:32 PM CDT | Areal Flood Advisory | MPX | Carver, Dakota, Hennepin, Ramsey, Scott | 3 hr |
| Aug 23, 10:33 PM CDT | Flash Flood Warning | MPX | Carver, Wright | 2 hr |
| Aug 23, 10:43 PM CDT | Special Weather Statement | MPX | Scott | 47 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.