Alert archive / Minnesota / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 86, NWS La Crosse, WI
NWS La Crosse, WI issued this severe thunderstorm warning at Aug 9, 2012, 2:21 PM CDT for Wabasha County, Minnesota. It was in force for 30 min. 4 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 9, 2012, 2:21 PM CDT (19:21 UTC)
- Expired
- Aug 9, 2012, 2:51 PM CDT
- In force
- 30 min
- Issued by
- NWS La Crosse, WI
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Wabasha County, MN
The radar
The La Crosse radar (KARX), 94 km from the middle of the area, began a volume at 19:23 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 9, 2:23 PM CDT | HAIL 0.5 | 3 Se Lake City, MN | PEA TO MARBLE SIZE HAIL COVERED LAKE PEPIN GOLF COURSE |
| Aug 9, 2:27 PM CDT | HAIL 0.88 | 4 Wsw Wabasha, MN | |
| Aug 9, 2:40 PM CDT | HAIL 0.5 | 6 Wsw Wabasha, MN | |
| Aug 9, 2:58 PM CDT | HAIL 0.88 | 4 Nne Plainview, 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, 7.4 hours before the alert went out and 131 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
- 921 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- -74 m²/s²
- 0-3 km storm-relative helicity
- -25 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
544
WUUS53 KARX 091921
SVRARX
MNC157-092000-
/O.NEW.KARX.SV.W.0086.120809T1921Z-120809T2000Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
221 PM CDT THU AUG 9 2012
THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EASTERN WABASHA COUNTY IN SOUTHEAST MINNESOTA...
* UNTIL 300 PM CDT
* AT 218 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM LOCATED NEAR MAPLE SPRINGS...OR NEAR LAKE
CITY...MOVING SOUTH AT 25 MPH. THIS STORM CAN PRODUCE QUARTER SIZE
HAIL AND DAMAGING WINDS IN EXCESS OF 60 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
WABASHA AND DUMFRIES AROUND 230 PM...
WEST ALBANY AND KRUGER CAMPGROUND AROUND 235 PM...
KELLOGG AND THEILMAN AROUND 240 PM...
COUNTY ROADS 18 AND 4 AND CONCEPTION AROUND 245 PM...
BREMEN AND RATTLESNAKE RIDGE AROUND 250 PM...
STATE ROAD 42 AND COUNTY 14 AND WEAVER AROUND 255 PM...
MINNEISKA AROUND 300 PM...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR LARGE
HAIL AND DAMAGING WINDS. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE
AND STAY AWAY FROM WINDOWS.
&&
LAT...LON 4446 9233 4446 9224 4444 9221 4443 9213
4438 9201 4434 9194 4424 9189 4423 9189
4420 9186 4420 9233
TIME...MOT...LOC 1922Z 352DEG 22KT 4439 9220
WIND...HAIL 60MPH 1.00IN
$$
ZT2 follow-up statements
466
WWUS53 KARX 091940
SVSARX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
240 PM CDT THU AUG 9 2012
MNC157-092000-
/O.CON.KARX.SV.W.0086.000000T0000Z-120809T2000Z/
WABASHA MN-
240 PM CDT THU AUG 9 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CENTRAL
WABASHA COUNTY UNTIL 300 PM CDT...
AT 236 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM LOCATED NEAR THEILMAN...OR 8 MILES SOUTHWEST OF
WABASHA...MOVING SOUTH AT 25 MPH. THIS STORM CAN PRODUCE QUARTER SIZE
HAIL.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
COUNTY ROADS 18 AND 4 AROUND 245 PM...
STATE ROAD 42 AND COUNTY 14 AND BREMEN AROUND 250 PM...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR LARGE
HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM
WINDOWS.
&&
LAT...LON 4437 9233 4440 9225 4440 9212 4439 9205
4436 9201 4429 9200 4426 9199 4420 9197
4420 9233
TIME...MOT...LOC 1939Z 354DEG 22KT 4429 9217
WIND...HAIL <50MPH 1.00IN
$$
ZT051
WWUS53 KARX 091951
SVSARX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
251 PM CDT THU AUG 9 2012
MNC157-092001-
/O.CAN.KARX.SV.W.0086.000000T0000Z-120809T2000Z/
WABASHA MN-
251 PM CDT THU AUG 9 2012
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL WABASHA COUNTY IS
CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS. HOWEVER...THE STORM REMAINS STRONG AND COULD PRODUCE SMALL
HAIL UP TO 1/2 INCH AND GUSTY WINDS...IN ADDITION TO LIGHTNING AND
HEAVY RAIN AS MOVES THROUGH SOUTHERN WABASHA. 1/2 INCH HAIL WAS
REPORTED AT 240 PM 6 MILES SOUTHWEST OF WABASHA.
LAT...LON 4437 9233 4440 9225 4440 9212 4439 9205
4436 9201 4429 9200 4426 9199 4420 9197
4420 9233
TIME...MOT...LOC 1951Z 354DEG 22KT 4422 9216
$$
ZTNearby
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.