Alert archive / Minnesota / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 259, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 8, 2012, 4:43 PM CDT for Freeborn County, Minnesota. It was in force for 46 min. 3 reports 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 8, 2012, 4:43 PM CDT (21:43 UTC)
- Expired
- Aug 8, 2012, 5:29 PM CDT
- In force
- 46 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
County Freeborn County, MN
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 8, 4:55 PM CDT | TSTM WND DMG | 3 Ssw Glenville, MN | TREE DOWN IN FRONT YARD. |
| Aug 8, 4:55 PM CDT | HAIL 0.75 | 3 Ssw Glenville, MN | HAILED FOR FIVE MINUTES. |
| Aug 8, 5:05 PM CDT | TSTM WND GST 57 | 10 S Albert Lea, MN | MEASURED BY MNDOT ROAD WEATHER STATION ALONG INTERSTATE 35 AND JUST NORTH OF THE STATE LINE. |
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, 9.7 hours before the alert went out and 150 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
- 1632 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- -25 m²/s²
- 0-3 km storm-relative helicity
- 150 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
640
WUUS53 KMPX 082143
SVRMPX
MNC047-082245-
/O.NEW.KMPX.SV.W.0259.120808T2143Z-120808T2245Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
443 PM CDT WED AUG 8 2012
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHEASTERN FREEBORN COUNTY IN SOUTH CENTRAL MINNESOTA...
* UNTIL 545 PM CDT
* AT 442 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM...CAPABLE OF
PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED NEAR
GLENVILLE...OR ABOUT 10 MILES SOUTH OF HAYWARD...AND MOVING EAST AT
10 MPH.
LOCATIONS IN THE WARNING INCLUDE...
GLENVILLE...
MYRTLE...
LONDON...
DEER CREEK...
GORDONSVILLE...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR LARGE
HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM
WINDOWS.
&&
LAT...LON 4351 9342 4358 9338 4361 9304 4350 9304
4349 9305 4350 9342
TIME...MOT...LOC 2143Z 273DEG 9KT 4351 9328
WIND...HAIL <50MPH 1.00IN
$$
JPC3 follow-up statements
177
WWUS53 KMPX 082202
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
502 PM CDT WED AUG 8 2012
MNC047-082245-
/O.CON.KMPX.SV.W.0259.000000T0000Z-120808T2245Z/
FREEBORN MN-
502 PM CDT WED AUG 8 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
FREEBORN COUNTY UNTIL 545 PM CDT...
AT 500 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS
LOCATED NEAR GLENVILLE...OR 9 MILES SOUTH OF HAYWARD...MOVING EAST AT
10 MPH.
LOCATIONS IMPACTED INCLUDE...
MYRTLE...
LONDON...
DEER CREEK...
GORDONSVILLE...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...LARGE HAIL...AND DEADLY LIGHTNING. FOR YOUR PROTECTION MOVE TO
AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS.
&&
LAT...LON 4351 9342 4358 9338 4361 9304 4350 9304
4349 9305 4350 9342
TIME...MOT...LOC 2202Z 272DEG 7KT 4351 9323
WIND...HAIL <50MPH 1.00IN
$$
JPC860
WWUS53 KMPX 082217
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
517 PM CDT WED AUG 8 2012
MNC047-082245-
/O.CON.KMPX.SV.W.0259.000000T0000Z-120808T2245Z/
FREEBORN MN-
517 PM CDT WED AUG 8 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
FREEBORN COUNTY UNTIL 545 PM CDT...
AT 518 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 NEAR MYRTLE...OR 10 MILES
SOUTH OF HAYWARD...MOVING EAST AT 10 MPH.
LOCATIONS IMPACTED INCLUDE...
DEER CREEK...
GORDONSVILLE...
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 4350 9342 4355 9338 4356 9304 4350 9304
4349 9305
TIME...MOT...LOC 2217Z 273DEG 8KT 4351 9319
WIND...HAIL 60MPH 1.00IN
$$
JPC023
WWUS53 KMPX 082229
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
529 PM CDT WED AUG 8 2012
MNC047-082245-
/O.CAN.KMPX.SV.W.0259.000000T0000Z-120808T2245Z/
FREEBORN MN-
529 PM CDT WED AUG 8 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN FREEBORN COUNTY
IS CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND MOVED OUT OF
THE WARNED AREA.
TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN THE TWIN CITIES.
LAT...LON 4350 9342 4355 9338 4356 9304 4350 9304
4349 9305
TIME...MOT...LOC 2230Z 273DEG 8KT 4351 9315
$$
JPCThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 8, 3:48 AM CDT | Special Weather Statement | MPX | Chippewa, Lac qui Parle, Redwood, Yellow Medicine | 42 min |
| Aug 8, 4:31 PM CDT | Special Weather Statement | MPX | Steele | 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.