Alert archive / Minnesota / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 9, NWS La Crosse, WI
NWS La Crosse, WI issued this severe thunderstorm warning at May 2, 2012, 9:13 PM CDT for Wabasha County, Minnesota. It was in force for 17 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
- May 2, 2012, 9:13 PM CDT (02:13 UTC)
- Expired
- May 2, 2012, 9:30 PM CDT
- In force
- 17 min
- Issued by
- NWS La Crosse, WI
- Area
- Storm-based polygon
- Hail
- 1.75 in
- Wind
- 60.0 mph
County Wabasha County, MN
The radar
The La Crosse radar (KARX), 101 km from the middle of the area, began a volume at 02:17 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, 9:14 PM CDT | HAIL 1 | 4 Wnw Wabasha, MN |
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 |
| May 2, 7:47 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 2.2 hours before the alert went out and 124 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.
566
WUUS53 KARX 030213
SVRARX
MNC157-030230-
/O.NEW.KARX.SV.W.0009.120503T0213Z-120503T0230Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
913 PM CDT WED MAY 2 2012
THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTH CENTRAL WABASHA COUNTY IN SOUTHEAST MINNESOTA...
* UNTIL 930 PM CDT
* AT 912 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM LOCATED NEAR MAPLE SPRINGS...OR NEAR WABASHA...
MOVING EAST AT 20 MPH. THIS STORM CAN PRODUCE LARGE DAMAGING HAIL
UP TO GOLF BALL SIZE AND DAMAGING WINDS IN EXCESS OF 60 MPH.
THIS WARNING EXTENDS THE PREVIOUS SEVERE THUNDERSTORM WARNING FOR
WABASHA COUNTY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS SITUATION. IF YOU ARE IN THE PATH OF THIS
STORM...PREPARE IMMEDIATELY FOR DESTRUCTIVE HAIL...WHICH CAN
SIGNIFICANTLY DAMAGE ROOFS...WINDOWS...SIDING AND VEHICLES. DAMAGING
WINDS ARE ALSO EXPECTED...WHICH WILL UPROOT TREES AND DOWN POWER
LINES. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM
WINDOWS.
&&
LAT...LON 4444 9222 4443 9213 4441 9209 4439 9204
4436 9222
TIME...MOT...LOC 0214Z 256DEG 19KT 4442 9211
WIND...HAIL 60MPH 1.75IN
$$
RRS2 follow-up statements
888
WWUS53 KARX 030226
SVSARX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
926 PM CDT WED MAY 2 2012
MNC157-030230-
/O.CON.KARX.SV.W.0009.000000T0000Z-120503T0230Z/
WABASHA MN-
926 PM CDT WED MAY 2 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTH CENTRAL
WABASHA COUNTY UNTIL 930 PM CDT...
AT 920 PM TRAINED WEATHER SPOTTERS REPORTED QUARTER SIZE HAIL 4
MILES NORTHWEST OF WABASHA WITH THIS SEVERE THUNDERSTORM.
AT 921 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THE
SEVERE THUNDERSTORM WAS LOCATED NEAR MAPLE SPRINGS...OR NEAR
WABASHA...MOVING EAST AT 20 MPH. THIS STORM CAN PRODUCE QUARTER SIZE
HAIL AND DAMAGING WINDS IN EXCESS OF 60 MPH.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR LARGE
HAIL AND DAMAGING WINDS. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE
AND STAY AWAY FROM WINDOWS.
&&
LAT...LON 4444 9222 4443 9213 4441 9209 4439 9204
4436 9222
TIME...MOT...LOC 0226Z 256DEG 19KT 4443 9202
WIND...HAIL 60MPH 1.00IN
$$
RRS739
WWUS53 KARX 030229
SVSARX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
929 PM CDT WED MAY 2 2012
MNC157-030238-
/O.EXP.KARX.SV.W.0009.000000T0000Z-120503T0230Z/
WABASHA MN-
929 PM CDT WED MAY 2 2012
...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL WABASHA COUNTY
WILL EXPIRE AT 930 PM CDT...
A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR THE EAST AND
SOUTHEAST PARTS OF WABASHA COUNTY THROUGH 10 PM.
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND MOVED OUT OF
THE WARNED AREA.
LAT...LON 4444 9222 4443 9213 4441 9209 4439 9204
4436 9222
TIME...MOT...LOC 0228Z 256DEG 19KT 4443 9201
$$
RRSThe office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 2, 7:29 PM CDT | Severe Thunderstorm Warning | ARX | Wabasha, Winona | 38 min |
| 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, 9:19 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.