Alert archive / Minnesota / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 44, NWS La Crosse, WI
NWS La Crosse, WI issued this severe thunderstorm warning at May 26, 2012, 12:07 PM CDT for Olmsted County, Minnesota. It was in force for 38 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
- May 26, 2012, 12:07 PM CDT (17:07 UTC)
- Expired
- May 26, 2012, 12:45 PM CDT
- In force
- 38 min
- Issued by
- NWS La Crosse, WI
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Olmsted County, MN
The radar
The La Crosse radar (KARX), 111 km from the middle of the area, began a volume at 17:08 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 26, 12:21 PM CDT | HAIL 0.75 | Byron, MN | |
| May 26, 12:23 PM CDT | TSTM WND GST 69 | 7 S Rochester, MN | ROCHESTER ASOS PK WND 31060/1723 |
| May 26, 12:25 PM CDT | HAIL 0.5 | 6 S Rochester, MN | 2 NE ROCHESTER AIRPORT |
| May 26, 12:28 PM CDT | HAIL 0.75 | 3 Sw Rochester, 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, 5.1 hours before the alert went out and 127 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
- 858 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 48 m²/s²
- 0-3 km storm-relative helicity
- 268 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
777 WUUS53 KARX 261707 SVRARX MNC109-261745- /O.NEW.KARX.SV.W.0044.120526T1707Z-120526T1745Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LA CROSSE WI 1207 PM CDT SAT MAY 26 2012 THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHWESTERN OLMSTED COUNTY IN SOUTHEAST MINNESOTA... * UNTIL 1245 PM CDT * AT 1203 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM LOCATED 6 MILES NORTHWEST OF ROCK DELL...OR 7 MILES SOUTH OF MANTORVILLE...MOVING EAST AT 35 MPH. THIS STORM CAN PRODUCE QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS OF 60 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... SALEM CORNERS AROUND 1215 PM... ROCHESTER AND ROCHESTER AIRPORT AROUND 1225 PM... SIMPSON AND PLEASANT GROVE AROUND 1230 PM... I 90 EXIT 218 AROUND 1235 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 4407 9268 4407 9236 4385 9237 4388 9268 TIME...MOT...LOC 1708Z 275DEG 33KT 4396 9268 WIND...HAIL 60MPH 1.00IN $$ 04
4 follow-up statements
721 WWUS53 KARX 261719 SVSARX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 1219 PM CDT SAT MAY 26 2012 MNC109-261745- /O.CON.KARX.SV.W.0044.000000T0000Z-120526T1745Z/ OLMSTED MN- 1219 PM CDT SAT MAY 26 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CENTRAL OLMSTED COUNTY UNTIL 1245 PM CDT... AT 1217 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM LOCATED NEAR SALEM CORNERS...OR 6 MILES SOUTHWEST OF ROCHESTER...MOVING EAST AT 35 MPH. THIS STORM CAN PRODUCE QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS OF 60 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... ROCHESTER AND APACHE MALL AROUND 1225 PM... SIMPSON AND CENTURY HIGH SCHOOL AROUND 1230 PM... PRECAUTIONARY/PREPAREDNESS ACTIONS... IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR LARGE HAIL AND DAMAGING WINDS. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS. && LAT...LON 4388 9264 4407 9264 4407 9236 4385 9237 TIME...MOT...LOC 1719Z 272DEG 32KT 4396 9255 WIND...HAIL 60MPH 1.00IN $$ 04
661 WWUS53 KARX 261730 SVSARX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 1230 PM CDT SAT MAY 26 2012 MNC109-261745- /O.CON.KARX.SV.W.0044.000000T0000Z-120526T1745Z/ OLMSTED MN- 1230 PM CDT SAT MAY 26 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CENTRAL OLMSTED COUNTY UNTIL 1245 PM CDT... AT 1227 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM LOCATED NEAR SIMPSON...OR NEAR ROCHESTER...MOVING EAST AT 35 MPH. THIS STORM CAN PRODUCE QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS OF 60 MPH. SEVERAL REPORTS OF DIME SIZED HAIL HAVE BEEN RECEIVED FROM THE ROCHESTER AREA. 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 4388 9264 4407 9264 4407 9236 4385 9237 TIME...MOT...LOC 1729Z 272DEG 32KT 4396 9242 WIND...HAIL 60MPH 1.00IN $$ 04
267 WWUS53 KARX 261735 SVSARX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 1235 PM CDT SAT MAY 26 2012 MNC109-261745- /O.CON.KARX.SV.W.0044.000000T0000Z-120526T1745Z/ OLMSTED MN- 1235 PM CDT SAT MAY 26 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CENTRAL OLMSTED COUNTY UNTIL 1245 PM CDT... THE AUTOMATED WEATHER EQUIPMENT AT THE ROCHESTER AIRPORT REPORTED WINDS OF 70 MPH WITH A SEVERE THUNDERSTORM. AT 1231 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM LOCATED NEAR SIMPSON...OR 6 MILES SOUTHEAST OF ROCHESTER...MOVING EAST AT 35 MPH. THIS STORM CAN PRODUCE QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS OF 60 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR LARGE HAIL AND DAMAGING WINDS. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS. && LAT...LON 4387 9250 4407 9250 4407 9236 4385 9237 TIME...MOT...LOC 1734Z 272DEG 32KT 4395 9236 WIND...HAIL 60MPH 1.00IN $$ 04
828 WWUS53 KARX 261742 SVSARX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 1242 PM CDT SAT MAY 26 2012 MNC109-261752- /O.EXP.KARX.SV.W.0044.000000T0000Z-120526T1745Z/ OLMSTED MN- 1242 PM CDT SAT MAY 26 2012 ...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL OLMSTED COUNTY WILL EXPIRE AT 1245 PM CDT... THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND MOVED OUT OF THE WARNED AREA. LAT...LON 4387 9250 4407 9250 4407 9236 4385 9237 TIME...MOT...LOC 1742Z 272DEG 32KT 4394 9226 $$ 04
The office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 26, 11:43 AM CDT | Severe Thunderstorm Warning | ARX | Dodge | 32 min |
| May 26, 2:03 PM CDT | Areal Flood Advisory | ARX | Houston, Winona | 117 min |
| May 26, 3:29 PM CDT | Severe Thunderstorm Warning | ARX | Wabasha | 61 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.