Alert archive / Minnesota / Tornado Warnings in 2012
Tornado Warning 12, NWS Twin Cities, MN
NWS Twin Cities, MN issued this tornado warning at May 1, 2012, 5:07 PM CDT for Sherburne County, Stearns County, Wright County, Minnesota. It was in force for 38 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 1, 2012, 5:07 PM CDT (22:07 UTC)
- Expired
- May 1, 2012, 5:45 PM CDT
- In force
- 38 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
Counties Sherburne County, MN, Stearns County, MN, Wright County, MN
The radar
The Minneapolis radar (KMPX), 68 km from the middle of the area, began a volume at 22:08 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 1, 5:35 PM CDT | FUNNEL CLOUD | 5 W Becker, 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 1, 2:59 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 10.1 hours before the alert went out and 67 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
- 1291 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 163 m²/s²
- 0-3 km storm-relative helicity
- 196 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
621
WFUS53 KMPX 012207
TORMPX
MNC141-145-171-012245-
/O.NEW.KMPX.TO.W.0012.120501T2207Z-120501T2245Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
507 PM CDT TUE MAY 1 2012
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* TORNADO WARNING FOR...
WESTERN SHERBURNE COUNTY IN CENTRAL MINNESOTA...
SOUTHEASTERN STEARNS COUNTY IN CENTRAL MINNESOTA...
NORTHERN WRIGHT COUNTY IN CENTRAL MINNESOTA...
* UNTIL 545 PM CDT
* AT 504 PM CDT...RADAR INDICATED A STORM CAPABLE OF PRODUCING A
TORNADO. THE MOST DANGEROUS PART OF THE STORM WAS NEAR FAIRHAVEN...
OR OVER FAIRHAVEN...AND MOVING EAST AT 20 MPH.
* LOCATIONS IN THE WARNING INCLUDE...
FAIRHAVEN...
SOUTH HAVEN...
ANNANDALE...
ST AUGUSTA...
CLEARWATER...
HASTY...
CLEAR LAKE...
ENFIELD...
BECKER...
MONTICELLO...
BIG LAKE...
SANTIAGO...
SILVER CREEK...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
WHEN A TORNADO WARNING IS ISSUED BASED ON RADAR...IT MEANS THAT
STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY ALREADY
BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT TUESDAY EVENING
FOR SOUTHERN MINNESOTA.
&&
LAT...LON 4555 9381 4528 9369 4521 9425 4523 9426
4528 9426 4541 9430
TIME...MOT...LOC 2207Z 254DEG 20KT 4531 9420
$$1 follow-up statement
201 WWUS53 KMPX 012220 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 520 PM CDT TUE MAY 1 2012 MNC141-145-171-012245- /O.CON.KMPX.TO.W.0012.000000T0000Z-120501T2245Z/ SHERBURNE MN-STEARNS MN-WRIGHT MN- 520 PM CDT TUE MAY 1 2012 ...A TORNADO WARNING REMAINS IN EFFECT FOR NORTH CENTRAL WRIGHT... SOUTHEASTERN STEARNS AND WESTERN SHERBURNE COUNTIES UNTIL 545 PM CDT... AT 518 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A FUNNEL CLOUD WITH THIS STORM. THIS STORM WAS LOCATED NEAR ANNANDALE...OR 16 MILES NORTHWEST OF BUFFALO...MOVING EAST AT 25 MPH. HALF DOLLAR SIZE HAIL IS POSSIBLE WITH THIS STORM. LOCATIONS IMPACTED INCLUDE... CLEARWATER...HASTY...CLEAR LAKE...ENFIELD...BECKER...MONTICELLO... BIG LAKE...SANTIAGO AND SILVER CREEK. LAT...LON 4524 9408 4544 9419 4555 9381 4528 9369 TIME...MOT...LOC 2219Z 254DEG 20KT 4533 9411 $$
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 1, 4:41 AM CDT | Special Weather Statement | MPX | Douglas, Morrison, Pope, Stevens, Todd | 79 min |
| May 1, 4:12 PM CDT | Severe Thunderstorm Warning | MPX | Pope, Stearns | 33 min |
| May 1, 4:40 PM CDT | Severe Thunderstorm Warning | MPX | Sherburne, Stearns, Wright | 35 min |
| May 1, 4:43 PM CDT | Severe Thunderstorm Warning | MPX | Pope, Stearns | 47 min |
| May 1, 4:46 PM CDT | Tornado Warning | MPX | Pope, Stearns | 44 min |
| May 1, 5:08 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Lac qui Parle, Yellow Medicine | 67 min |
| May 1, 5:09 PM CDT | Tornado Warning | MPX | Stearns | 36 min |
| May 1, 5:17 PM CDT | Severe Thunderstorm Warning | MPX | Redwood, Yellow Medicine | 32 min |
| May 1, 5:23 PM CDT | Severe Thunderstorm Warning | MPX | Benton, Morrison, Stearns | 37 min |
| May 1, 5:38 PM CDT | Tornado Warning | MPX | Sherburne | 37 min |
| May 1, 5:44 PM CDT | Tornado Warning | MPX | Benton, Sherburne, Stearns | 46 min |
| May 1, 6:08 PM CDT | Severe Thunderstorm Warning | MPX | Redwood | 52 min |
| May 1, 6:14 PM CDT | Severe Thunderstorm Warning | MPX | Isanti, Sherburne | 46 min |
| May 1, 6:25 PM CDT | Tornado Warning | MPX | Benton, Sherburne | 35 min |
| May 1, 6:43 PM CDT | Severe Thunderstorm Warning | MPX | Brown, Redwood | 62 min |
| May 1, 6:56 PM CDT | Severe Thunderstorm Warning | MPX | Benton, Mille Lacs, Sherburne | 34 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.