Alert archive / Minnesota / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 53, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at May 5, 2012, 1:02 PM CDT for 4 counties in Minnesota. It was in force for 43 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 5, 2012, 1:02 PM CDT (18:02 UTC)
- Expired
- May 5, 2012, 1:45 PM CDT
- In force
- 43 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Blue Earth County, MN, Brown County, MN, Nicollet County, MN, Sibley County, MN
The radar
The Minneapolis radar (KMPX), 71 km from the middle of the area, began a volume at 18:04 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.
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 5, 11:38 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 6.0 hours before the alert went out and 69 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
- 480 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 174 m²/s²
- 0-3 km storm-relative helicity
- 217 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted, in the capitals the NWS used until 2016.
756 WUUS53 KMPX 051802 SVRMPX MNC013-015-103-143-051845- /O.NEW.KMPX.SV.W.0053.120505T1802Z-120505T1845Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 102 PM CDT SAT MAY 5 2012 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EXTREME NORTHWESTERN BLUE EARTH COUNTY IN SOUTH CENTRAL MINNESOTA... EAST CENTRAL BROWN COUNTY IN SOUTH CENTRAL MINNESOTA... NICOLLET COUNTY IN SOUTH CENTRAL MINNESOTA... SOUTH CENTRAL SIBLEY COUNTY IN CENTRAL MINNESOTA... * UNTIL 145 PM CDT * AT 1259 PM CDT...TRAINED SPOTTERS REPORTED A SEVERE THUNDERSTORM WITH QUARTER SIZE HAIL. THIS STORM WAS LOCATED NEAR KLOSSNER...OR ABOUT OVER NEW ULM...AND MOVIN NORTHEAST AT 25 MPH. LOCATIONS IN THE WARNING INCLUDE... NEW ULM... GAYLORD... ST PETER... KLOSSNER... COURTLAND... LAFAYETTE... NORSELAND... RUSH RIVER... PRECAUTIONARY/PREPAREDNESS ACTIONS... IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR LARGE HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS. && LAT...LON 4462 9415 4433 9395 4422 9442 4438 9455 TIME...MOT...LOC 1801Z 243DEG 21KT 4434 9437 WIND...HAIL 60MPH 1.00IN $$ SPD
2 follow-up statements
441 WWUS53 KMPX 051816 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 116 PM CDT SAT MAY 5 2012 MNC015-051829- /O.CAN.KMPX.SV.W.0053.000000T0000Z-120505T1845Z/ BROWN MN- 116 PM CDT SAT MAY 5 2012 ...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL BROWN COUNTY IS CANCELLED... THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED AREA. LAT...LON 4425 9431 4444 9443 4462 9415 4433 9395 TIME...MOT...LOC 1814Z 243DEG 21KT 4437 9427 $$ MNC103-143-051845- /O.CON.KMPX.SV.W.0053.000000T0000Z-120505T1845Z/ NICOLLET MN-SIBLEY MN- 116 PM CDT SAT MAY 5 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTH CENTRAL SIBLEY AND EASTERN NICOLLET COUNTIES UNTIL 145 PM CDT... AT 101 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A SEVERE THUNDERSTORM PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED 7 MILES EAST OF KLOSSNER...OR 10 MILES NORTHEAST OF NEW ULM...MOVING EAST AT 30 MPH. LOCATIONS IMPACTED INCLUDE... GAYLORD...ST PETER...NORSELAND...RUSH RIVER AND NEW SWEDEN. PRECAUTIONARY/PREPAREDNESS ACTIONS... SEVERE THUNDERSTORMS CAN PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER HOUR...LARGE HAIL...AND DEADLY LIGHTNING. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. THIS STORM HAS A HISTORY OF PRODUCING QUARTER SIZE HAIL. && LAT...LON 4425 9431 4444 9443 4462 9415 4433 9395 TIME...MOT...LOC 1814Z 243DEG 21KT 4437 9427 WIND...HAIL <50MPH 1.00IN $$ SPD
972 WWUS53 KMPX 051822 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 122 PM CDT SAT MAY 5 2012 MNC103-143-051845- /O.CON.KMPX.SV.W.0053.000000T0000Z-120505T1845Z/ NICOLLET MN-SIBLEY MN- 122 PM CDT SAT MAY 5 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTH CENTRAL SIBLEY AND NORTHEASTERN NICOLLET COUNTIES UNTIL 145 PM CDT... AT 101 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A SEVERE THUNDERSTORM PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED 8 MILES NORTH OF NICOLLET...OR 12 MILES NORTHEAST OF NEW ULM...MOVING NORTHEAST AT 25 MPH. LOCATIONS IMPACTED INCLUDE... NORSELAND...RUSH RIVER AND NEW SWEDEN. PRECAUTIONARY/PREPAREDNESS ACTIONS... SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER HOUR...LARGE HAIL...AND DEADLY LIGHTNING. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. && LAT...LON 4431 9426 4449 9435 4455 9411 4433 9395 TIME...MOT...LOC 1822Z 243DEG 21KT 4439 9421 WIND...HAIL <50MPH 1.00IN $$ SPD
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 5, 12:39 PM CDT | Special Weather Statement | MPX | Brown, Martin, Watonwan | 51 min |
| May 5, 12:54 PM CDT | Special Weather Statement | MPX | Nicollet, Sibley | 66 min |
| May 5, 1:07 PM CDT | Special Weather Statement | MPX | Blue Earth | 38 min |
| May 5, 1:11 PM CDT | Flash Flood Watch | MPX | Blue Earth, Brown, Carver, Chippewa, Faribault, Freeborn and 21 more | 15 hr |
| May 5, 1:26 PM CDT | Special Weather Statement | MPX | Blue Earth, Le Sueur, Rice, Scott, Waseca | 64 min |
| May 5, 1:36 PM CDT | Severe Thunderstorm Warning | MPX | Faribault, Martin | 24 min |
| May 5, 1:50 PM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Faribault, Freeborn, Waseca | 40 min |
| May 5, 2:08 PM CDT | Special Weather Statement | MPX | Dakota, Rice, Steele, Waseca | 52 min |
| May 5, 2:23 PM CDT | Special Weather Statement | MPX | Freeborn, Steele | 52 min |
| May 5, 2:37 PM CDT | Special Weather Statement | MPX | Goodhue | 53 min |
| May 5, 6:43 PM CDT | Special Weather Statement | MPX | Anoka, Sherburne | 62 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.