Alert archive / Minnesota / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 6, NWS La Crosse, WI
NWS La Crosse, WI issued this severe thunderstorm warning at May 2, 2012, 7:29 PM CDT for Wabasha County, Winona County, Minnesota. It was in force for 38 min. 2 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
- May 2, 2012, 7:29 PM CDT (00:29 UTC)
- Expired
- May 2, 2012, 8:07 PM CDT
- In force
- 38 min
- Issued by
- NWS La Crosse, WI
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
Counties Wabasha County, MN, Winona County, MN
The radar
The La Crosse radar (KARX), 80 km from the middle of the area, began a volume at 00:32 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 |
|---|---|---|---|
| May 2, 7:32 PM CDT | HAIL 1 | 3 E Plainview, MN | |
| May 2, 7:33 PM CDT | HAIL 0.5 | 3 Ene Plainview, MN | DIME SIZE HAIL |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 2, 5:25 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 0.5 hours before the alert went out and 144 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
- 84 J/kg
- Mixed-layer CIN
- -59 J/kg
- Mixed-layer LCL
- 1937 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 21 m²/s²
- 0-3 km storm-relative helicity
- 134 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
304
WUUS53 KARX 030029
SVRARX
MNC157-169-030130-
/O.NEW.KARX.SV.W.0006.120503T0029Z-120503T0130Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
729 PM CDT WED MAY 2 2012
THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EASTERN WABASHA COUNTY IN SOUTHEAST MINNESOTA...
NORTHWESTERN WINONA COUNTY IN SOUTHEAST MINNESOTA...
* UNTIL 830 PM CDT
* AT 727 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM LOCATED NEAR BEAVER...OR 15 MILES SOUTHWEST OF
ALMA...MOVING NORTHEAST AT 15 MPH. THIS STORM CAN PRODUCE QUARTER
SIZE HAIL.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
STATE ROAD 42 AND COUNTY 14 AROUND 740 PM...
CONCEPTION AROUND 750 PM...
RATTLESNAKE RIDGE AROUND 755 PM...
WEAVER AROUND 800 PM...
KELLOGG AROUND 805 PM...
WEST NEWTON AROUND 810 PM...
WABASHA AND PIONEER CAMPGROUND AROUND 815 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 4439 9204 4438 9201 4433 9194 4430 9192
4429 9192 4426 9189 4423 9189 4421 9188
4411 9200 4411 9223
TIME...MOT...LOC 0030Z 218DEG 15KT 4416 9208
WIND...HAIL <50MPH 1.00IN
$$
RRS3 follow-up statements
307
WWUS53 KARX 030039
SVSARX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
739 PM CDT WED MAY 2 2012
MNC157-169-030130-
/O.CON.KARX.SV.W.0006.000000T0000Z-120503T0130Z/
WABASHA MN-WINONA MN-
739 PM CDT WED MAY 2 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHWESTERN
WINONA AND EASTERN WABASHA COUNTIES UNTIL 830 PM CDT...
AT 737 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM LOCATED NEAR BEAVER...OR 12 MILES SOUTHWEST OF
ALMA...MOVING NORTHEAST AT 15 MPH. THIS STORM CAN PRODUCE QUARTER
SIZE HAIL.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
CONCEPTION AROUND 750 PM...
RATTLESNAKE RIDGE AND WEAVER AROUND 755 PM...
KELLOGG AROUND 805 PM...
WEST NEWTON AROUND 810 PM...
WABASHA AND PIONEER CAMPGROUND AROUND 815 PM...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR LARGE
HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM
WINDOWS.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM WEDNESDAY
EVENING FOR SOUTHEAST MINNESOTA.
&&
LAT...LON 4439 9204 4438 9201 4433 9194 4430 9192
4429 9192 4426 9189 4423 9189 4421 9188
4411 9200 4411 9223
TIME...MOT...LOC 0039Z 218DEG 15KT 4419 9205
WIND...HAIL <50MPH 1.00IN
$$
RRS049
WWUS53 KARX 030051
SVSARX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
751 PM CDT WED MAY 2 2012
MNC157-169-030130-
/O.CON.KARX.SV.W.0006.000000T0000Z-120503T0130Z/
WABASHA MN-WINONA MN-
751 PM CDT WED MAY 2 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EXTREME
NORTHWESTERN WINONA AND EAST CENTRAL WABASHA COUNTIES UNTIL 830 PM
CDT...
AT 746 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM LOCATED NEAR RATTLESNAKE RIDGE...OR 10 MILES
SOUTHWEST OF ALMA...MOVING NORTHEAST AT 15 MPH. THIS STORM CAN
PRODUCE QUARTER SIZE HAIL.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
WEAVER AROUND 755 PM...
KELLOGG AROUND 805 PM...
WEST NEWTON AROUND 810 PM...
PIONEER CAMPGROUND AROUND 815 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 4438 9201 4433 9194 4430 9192 4428 9192
4426 9189 4423 9189 4421 9188 4415 9195
4416 9212
TIME...MOT...LOC 0051Z 218DEG 15KT 4423 9200
WIND...HAIL <50MPH 1.00IN
$$
RRS956
WWUS53 KARX 030107
SVSARX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
807 PM CDT WED MAY 2 2012
MNC157-169-030117-
/O.CAN.KARX.SV.W.0006.000000T0000Z-120503T0130Z/
WABASHA MN-WINONA MN-
807 PM CDT WED MAY 2 2012
...THE SEVERE THUNDERSTORM WARNING FOR EXTREME NORTHWESTERN WINONA
AND EAST CENTRAL WABASHA COUNTIES IS CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS. HOWEVER...THE STORM REMAINS STRONG AND COULD PRODUCE SMALL
HAIL AND GUSTY WINDS...IN ADDITION TO LIGHTNING AND HEAVY RAIN.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 100 AM CDT
THURSDAY MORNING FOR SOUTHEAST MINNESOTA AND SOUTHWESTERN WISCONSIN.
LAT...LON 4438 9201 4433 9194 4430 9192 4428 9192
4426 9189 4423 9189 4421 9188 4415 9195
4416 9212
TIME...MOT...LOC 0107Z 246DEG 18KT 4424 9189
$$
RRSThe office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 2, 8:10 PM CDT | Severe Thunderstorm Warning | ARX | Wabasha | 65 min |
| May 2, 8:48 PM CDT | Severe Thunderstorm Warning | ARX | Wabasha | 72 min |
| May 2, 8:51 PM CDT | Flash Flood Warning | ARX | Wabasha | 6 hr |
| May 2, 9:13 PM CDT | Severe Thunderstorm Warning | ARX | Wabasha | 17 min |
| May 2, 9:19 PM CDT | Severe Thunderstorm Warning | ARX | Wabasha, Winona | 56 min |
| May 2, 9:33 PM CDT | Tornado Warning | ARX | Wabasha | 27 min |
| May 3, 6:43 AM CDT | Severe Thunderstorm Warning | ARX | Fillmore, Houston, Winona | 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.