Alert archive / Minnesota / Tornado Warnings in 2012
Tornado Warning 7, NWS Twin Cities, MN
NWS Twin Cities, MN issued this tornado warning at Apr 21, 2012, 3:29 PM CDT for Chippewa County, Swift County, Minnesota. It was in force for 46 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
- Apr 21, 2012, 3:29 PM CDT (20:29 UTC)
- Expired
- Apr 21, 2012, 4:15 PM CDT
- In force
- 46 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
Counties Chippewa County, MN, Swift County, MN
The radar
The Minneapolis radar (KMPX), 153 km from the middle of the area, began a volume at 20:29 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 |
|---|---|---|---|
| Apr 21, 3:55 PM CDT | FUNNEL CLOUD | 5 Nw Clara City, MN | NICKEL HAIL ALSO REPORTED AROUND THIS TIME. TIME IS ESTIMATED. |
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, 8.5 hours before the alert went out and 150 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
- 1566 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 33 m²/s²
- 0-3 km storm-relative helicity
- 85 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
204 WFUS53 KMPX 212029 TORMPX MNC023-151-212115- /O.NEW.KMPX.TO.W.0007.120421T2029Z-120421T2115Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 329 PM CDT SAT APR 21 2012 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * TORNADO WARNING FOR... NORTHEASTERN CHIPPEWA COUNTY IN WEST CENTRAL MINNESOTA... SOUTH CENTRAL SWIFT COUNTY IN WEST CENTRAL MINNESOTA... * UNTIL 415 PM CDT * AT 325 PM CDT...LAW ENFORCEMENT REPORTED A TORNADO 14 MILES NORTHWEST OF GLUEK...OR ABOUT 7 MILES EAST OF BIG BEND CITY. RADAR SHOWED THE TORNADIC STORM MOVING SOUTHEAST AT 25 MPH. * LOCATIONS IN THE WARNING INCLUDE... GLUEK... PRECAUTIONARY/PREPAREDNESS ACTIONS... IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A STURDY SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. && LAT...LON 4515 9526 4493 9539 4506 9576 4521 9570 TIME...MOT...LOC 2029Z 302DEG 20KT 4511 9565 $$
2 follow-up statements
523 WWUS53 KMPX 212041 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 341 PM CDT SAT APR 21 2012 MNC023-151-212115- /O.CON.KMPX.TO.W.0007.000000T0000Z-120421T2115Z/ CHIPPEWA MN-SWIFT MN- 341 PM CDT SAT APR 21 2012 ...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTH CENTRAL SWIFT AND EASTERN CHIPPEWA COUNTIES IN WEST CENTRAL MINNESOTA UNTIL 415 PM CDT... AT 339 PM CDT...LOCAL LAW ENFORCEMENT REPORTED SEVERAL FUNNEL CLOUDS NEAR GLUEK AND NORTH OF GLUEK. THIS STORM PRODUCING THE FUNNEL CLOUDS WAS LOCATED 8 MILES NORTHWEST OF GLUEK...OR 11 MILES NORTHEAST OF MONTEVIDEO...MOVING SOUTHEAST AT 25 MPH. LOCATIONS IMPACTED INCLUDE... GLUEK. PRECAUTIONARY/PREPAREDNESS ACTIONS... TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES. && LAT...LON 4504 9568 4520 9563 4515 9526 4493 9539 TIME...MOT...LOC 2040Z 302DEG 20KT 4507 9558 $$
613 WWUS53 KMPX 212058 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 358 PM CDT SAT APR 21 2012 MNC151-212111- /O.CAN.KMPX.TO.W.0007.000000T0000Z-120421T2115Z/ SWIFT MN- 358 PM CDT SAT APR 21 2012 ...THE TORNADO WARNING FOR SOUTH CENTRAL SWIFT COUNTY IS CANCELLED... THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED AREA. TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES. LAT...LON 4502 9563 4509 9556 4506 9531 4493 9539 TIME...MOT...LOC 2056Z 302DEG 20KT 4501 9549 $$ MNC023-212115- /O.CON.KMPX.TO.W.0007.000000T0000Z-120421T2115Z/ CHIPPEWA MN- 358 PM CDT SAT APR 21 2012 ...A TORNADO WARNING REMAINS IN EFFECT FOR EASTERN CHIPPEWA COUNTY IN WEST CENTRAL MINNESOTA UNTIL 415 PM CDT... AT 353 PM CDT...LOCAL LAW ENFORCEMENT REPORTED A TORNADO. THIS TORNADO WAS LOCATED NEAR GLUEK...OR 11 MILES NORTHEAST OF MONTEVIDEO...MOVING SOUTHEAST AT 25 MPH. MULTIPLE REPORTS OF FUNNEL CLOUDS AND BRIEF TOUCHDOWNS HAVE BEEN RECEIVED IN NORTHERN CHIPPEWA COUNTY BETWEEN 330 PM CDT AND 355 PM CDT. LOCATIONS IMPACTED INCLUDE... GLUEK. PRECAUTIONARY/PREPAREDNESS ACTIONS... TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES. && LAT...LON 4502 9563 4509 9556 4506 9531 4493 9539 TIME...MOT...LOC 2056Z 302DEG 20KT 4501 9549 $$ CLF
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 21, 1:50 PM CDT | Special Weather Statement | MPX | Stevens | 55 min |
| Apr 21, 2:04 PM CDT | Severe Thunderstorm Warning | MPX | Stevens | 14 min |
| Apr 21, 2:28 PM CDT | Special Weather Statement | MPX | Chippewa, Douglas, Pope, Redwood, Swift | 62 min |
| Apr 21, 3:22 PM CDT | Severe Thunderstorm Warning | MPX | Brown, Redwood | 38 min |
| Apr 21, 3:33 PM CDT | Tornado Warning | MPX | Redwood | 28 min |
| Apr 21, 4:09 PM CDT | Tornado Warning | MPX | Chippewa, Kandiyohi, Renville | 36 min |
| Apr 21, 4:21 PM CDT | Special Weather Statement | MPX | Pope | 39 min |
| Apr 21, 4:49 PM CDT | Special Weather Statement | MPX | Renville | 41 min |
| Apr 21, 5:01 PM CDT | Tornado Warning | MPX | Martin, Watonwan | 44 min |
| Apr 21, 5:53 PM CDT | Special Weather Statement | MPX | Martin | 37 min |
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.