Alert archive / Minnesota / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 267, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 23, 2012, 6:06 PM CDT for Redwood County, Minnesota. It was in force for 54 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
- Aug 23, 2012, 6:06 PM CDT (23:06 UTC)
- Expired
- Aug 23, 2012, 7:00 PM CDT
- In force
- 54 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Redwood County, MN
The radar
The Sioux Falls radar (KFSD), 144 km from the middle of the area, began a volume at 23:07 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 23, 6:37 PM CDT | HAIL 1 | 4 Ssw Milroy, MN |
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, 11.1 hours before the alert went out and 148 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
- 2118 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 78 m²/s²
- 0-3 km storm-relative helicity
- 158 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
531
WUUS53 KMPX 232306
SVRMPX
MNC127-240000-
/O.NEW.KMPX.SV.W.0267.120823T2306Z-120824T0000Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
606 PM CDT THU AUG 23 2012
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
WESTERN AND CENTRAL REDWOOD COUNTY IN SOUTHWEST MINNESOTA...
* UNTIL 700 PM CDT
* AT 600 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM...CAPABLE OF
PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS OF 60 MPH. THIS
STORM WAS LOCATED 6 MILES SOUTHEAST OF MARSHALL...AND MOVING EAST
AT 20 MPH.
LOCATIONS IN THE WARNING INCLUDE...
MILROY...
LUCAN...
VESTA...
SEAFORTH...
WABASSO...
WANDA...
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.
THIS STORM HAS A HISTORY OF PRODUCING QUARTER SIZE HAIL NEAR
MARSHALL.
&&
LAT...LON 4458 9517 4426 9513 4429 9560 4450 9561
4450 9560
TIME...MOT...LOC 2305Z 261DEG 16KT 4438 9569
WIND...HAIL 60MPH 1.00IN
$$
JRB3 follow-up statements
095 WWUS53 KMPX 232330 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 630 PM CDT THU AUG 23 2012 MNC127-240000- /O.CON.KMPX.SV.W.0267.000000T0000Z-120824T0000Z/ REDWOOD MN- 630 PM CDT THU AUG 23 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CENTRAL REDWOOD COUNTY UNTIL 700 PM CDT... AT 628 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS OF 60 MPH. THIS STORM WAS LOCATED 11 MILES NORTH OF TRACY...OR 13 MILES EAST OF MARSHALL...MOVING EAST AT 20 MPH. IN ADDITION...AT 613 PM NICKEL TO HALF DOLLAR SIZE HAIL WAS REPORTED SOUTH OF MARSHALL WITH THIS STORM. LOCATIONS IMPACTED INCLUDE... LUCAN...SEAFORTH...WABASSO AND WANDA. PRECAUTIONARY/PREPAREDNESS ACTIONS... SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER HOUR...LARGE HAIL...AND DEADLY LIGHTNING. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. && LAT...LON 4450 9516 4426 9513 4429 9560 4447 9561 TIME...MOT...LOC 2329Z 272DEG 18KT 4438 9554 WIND...HAIL 60MPH 1.00IN $$ JRB
580 WWUS53 KMPX 232346 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 646 PM CDT THU AUG 23 2012 MNC127-240000- /O.CON.KMPX.SV.W.0267.000000T0000Z-120824T0000Z/ REDWOOD MN- 646 PM CDT THU AUG 23 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CENTRAL REDWOOD COUNTY UNTIL 700 PM CDT... AT 642 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 13 MILES NORTHEAST OF TRACY...OR 18 MILES EAST OF MARSHALL...MOVING EAST AT 20 MPH. LOCATIONS IMPACTED INCLUDE... WABASSO AND WANDA. 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 4442 9515 4426 9513 4429 9560 4444 9561 TIME...MOT...LOC 2346Z 272DEG 18KT 4438 9542 WIND...HAIL 60MPH 1.00IN $$ JRB
184 WWUS53 KMPX 240003 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 703 PM CDT THU AUG 23 2012 MNC127-240018- /O.EXP.KMPX.SV.W.0267.000000T0000Z-120824T0000Z/ REDWOOD MN- 703 PM CDT THU AUG 23 2012 ...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL REDWOOD COUNTY HAS EXPIRED... THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY...HOWEVER HEAVY RAIN AND SMALL HAIL IS STILL POSSIBLE WITH THIS THUNDERSTORM. LAT...LON 4442 9515 4426 9513 4429 9560 4444 9561 TIME...MOT...LOC 2346Z 272DEG 18KT 4438 9542 $$ JRB
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 23, 11:16 AM CDT | Special Weather Statement | MPX | Swift | 29 min |
| Aug 23, 11:30 AM CDT | Special Weather Statement | MPX | Swift | 45 min |
| Aug 23, 12:30 PM CDT | Special Weather Statement | MPX | Pope, Stevens, Swift | 60 min |
| Aug 23, 1:07 PM CDT | Severe Thunderstorm Warning | MPX | Pope, Stevens | 53 min |
| Aug 23, 2:49 PM CDT | Special Weather Statement | MPX | Pope | 41 min |
| Aug 23, 2:50 PM CDT | Areal Flood Advisory | MPX | Pope, Stevens, Swift | 3 hr |
| Aug 23, 5:03 PM CDT | Special Weather Statement | MPX | Wright | 27 min |
| Aug 23, 6:31 PM CDT | Special Weather Statement | MPX | Isanti, Kanabec, Mille Lacs | 44 min |
| Aug 23, 6:46 PM CDT | Severe Thunderstorm Warning | MPX | Kanabec, Mille Lacs | 44 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.