Alert archive / Minnesota / Tornado Warnings in 2012
Tornado Warning 19, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this tornado warning at May 4, 2012, 2:24 PM CDT for Jackson County, Minnesota. It was in force for 36 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 4, 2012, 2:24 PM CDT (19:24 UTC)
- Expired
- May 4, 2012, 3:00 PM CDT
- In force
- 36 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Storm-based polygon
County Jackson County, MN
The radar
The Sioux Falls radar (KFSD), 123 km from the middle of the area, began a volume at 19:25 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 4, 2:40 PM CDT | TORNADO | 7 Sw Lakefield, MN | |
| May 4, 2:45 PM CDT | TSTM WND DMG | 5 W Lakefield, MN | ROOF RIPPED OFF AN OPEN FACED HOG BARN. |
| May 4, 2:49 PM CDT | TORNADO | 2 S Lakefield, MN | TORNADO TOUCHDOWN 2 MILES SOUTH OF LAKEFIELD MN. |
| May 4, 3:05 PM CDT | TORNADO | 5 Se Lakefield, MN | BRIEF TOUCHDOWN |
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 4, 2:00 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 7.4 hours before the alert went out and 191 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
- 1101 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- -52 m²/s²
- 0-3 km storm-relative helicity
- 15 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
800 WFUS53 KFSD 041924 TORFSD MNC063-042000- /O.NEW.KFSD.TO.W.0019.120504T1924Z-120504T2000Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 224 PM CDT FRI MAY 4 2012 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A * TORNADO WARNING FOR... SOUTHWESTERN JACKSON COUNTY IN SOUTHWEST MINNESOTA... * UNTIL 300 PM CDT * AT 223 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING A SEVERE THUNDERSTORM WITH A HISTORY OF PRODUCING A TORNADO. THIS TORNADIC STORM WAS LOCATED 5 MILES EAST OF WORTHINGTON...AND MOVING EAST AT 30 MPH. * THIS TORNADIC STORM WILL AFFECT MAINLY RURAL AREAS OF SOUTHWESTERN JACKSON COUNTY IN THE VICINITY OF INTERSTATE 90. LARGE HAIL TO GOLF BALL SIZE AND 60 MPH WINDS ARE ALSO POSSIBLE WITH THIS STORM. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS. && LAT...LON 4350 9503 4350 9546 4367 9545 4368 9502 TIME...MOT...LOC 1923Z 274DEG 28KT 4362 9546 $$ SCHUMACHER
3 follow-up statements
476 WWUS53 KFSD 041937 SVSFSD SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 237 PM CDT FRI MAY 4 2012 MNC063-042000- /O.CON.KFSD.TO.W.0019.000000T0000Z-120504T2000Z/ JACKSON MN- 237 PM CDT FRI MAY 4 2012 ...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHWESTERN JACKSON COUNTY UNTIL 300 PM CDT... AT 237 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING A CONFIRMED TORNADO. THIS DANGEROUS STORM WAS LOCATED 8 MILES NORTHEAST OF ROUND LAKE...OR 13 MILES EAST OF WORTHINGTON...MOVING EAST AT 30 MPH. AT 228 PM CDT...THE PUBLIC REPORTED A TORNADO ON THE NOBLES AND JACKSON COUNTY LINE...5 MILES NORTH OF ROUND LAKE. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS. MOTORISTS SHOULD NOT TAKE SHELTER UNDER HIGHWAY OVERPASSES. AS A LAST RESORT... EITHER PARK YOUR VEHICLE AND STAY PUT...OR ABANDON YOUR VEHICLE AND LIE DOWN IN A LOW LYING AREA. && LAT...LON 4350 9503 4350 9546 4367 9545 4368 9502 TIME...MOT...LOC 1937Z 274DEG 28KT 4361 9531 $$ SCHUMACHER
947 WWUS53 KFSD 041945 SVSFSD SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 245 PM CDT FRI MAY 4 2012 MNC063-042000- /O.CON.KFSD.TO.W.0019.000000T0000Z-120504T2000Z/ JACKSON MN- 245 PM CDT FRI MAY 4 2012 ...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHERN JACKSON COUNTY UNTIL 300 PM CDT... AT 245 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING A CONFIRMED TORNADO. THIS DANGEROUS STORM WAS LOCATED 7 MILES WEST OF LAKEFIELD...OR 15 MILES WEST OF JACKSON...MOVING EAST AT 25 MPH. AT 240 PM CDT...A TORNADO WAS REPORTED APPROXIMATELY 7 MILES WEST OF LAKEFIELD NEAR INTERESTATE 90. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS. MOTORISTS SHOULD NOT TAKE SHELTER UNDER HIGHWAY OVERPASSES. AS A LAST RESORT... EITHER PARK YOUR VEHICLE AND STAY PUT...OR ABANDON YOUR VEHICLE AND LIE DOWN IN A LOW LYING AREA. && LAT...LON 4350 9503 4350 9538 4367 9541 4368 9502 TIME...MOT...LOC 1945Z 269DEG 20KT 4364 9528 $$ SCHUMACHER
508 WWUS53 KFSD 041952 SVSFSD SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 252 PM CDT FRI MAY 4 2012 MNC063-042000- /O.CON.KFSD.TO.W.0019.000000T0000Z-120504T2000Z/ JACKSON MN- 252 PM CDT FRI MAY 4 2012 ...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHERN JACKSON COUNTY UNTIL 300 PM CDT... AT 251 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING A CONFIRMED TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR LAKEFIELD...OR 11 MILES WEST OF JACKSON...MOVING EAST AT 30 MPH. AT 250 PM...LAW ENFORCEMENT REPORTED A TORNADO JUST SOUTH OF INTERSTATE 90 AND JUST WEST OF THE LAKEFIELD EXIT NEAR HIGHWAY 86. LAW ENFORCEMENT REPORTED DEBRIS WITH THE TORNADO. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS. MOTORISTS SHOULD NOT TAKE SHELTER UNDER HIGHWAY OVERPASSES. AS A LAST RESORT... EITHER PARK YOUR VEHICLE AND STAY PUT...OR ABANDON YOUR VEHICLE AND LIE DOWN IN A LOW LYING AREA. && LAT...LON 4350 9503 4350 9538 4367 9541 4368 9502 TIME...MOT...LOC 1951Z 263DEG 25KT 4363 9518 $$ SCHUMACHER
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 4, 1:43 PM CDT | Severe Thunderstorm Warning | FSD | Murray, Nobles | 47 min |
| May 4, 2:06 PM CDT | Tornado Warning | FSD | Jackson, Nobles | 24 min |
| May 4, 2:18 PM CDT | Tornado Warning | FSD | Jackson, Nobles | 27 min |
| May 4, 2:43 PM CDT | Severe Thunderstorm Warning | FSD | Cottonwood, Jackson | 32 min |
| May 4, 2:58 PM CDT | Tornado Warning | FSD | Jackson | 32 min |
| May 4, 3:06 PM CDT | Severe Thunderstorm Warning | FSD | Jackson | 24 min |
| May 4, 3:23 PM CDT | Severe Thunderstorm Warning | FSD | Jackson | 37 min |
| May 4, 3:48 PM CDT | Flash Flood Warning | FSD | Jackson, Nobles | 5 hr |
Nearby
Tornado Warnings in Minnesota, 2012Every tornado warning in 2012Tornadoes 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.