Alert archive / Minnesota / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 55, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at May 5, 2012, 1:50 PM CDT for 4 counties in Minnesota. It was in force for 40 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, 1:50 PM CDT (18:50 UTC)
- Expired
- May 5, 2012, 2:30 PM CDT
- In force
- 40 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Blue Earth County, MN, Faribault County, MN, Freeborn County, MN, Waseca County, MN
The radar
The Minneapolis radar (KMPX), 119 km from the middle of the area, began a volume at 18:50 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, 6.8 hours before the alert went out and 118 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.
161 WUUS53 KMPX 051850 SVRMPX MNC013-043-047-161-051930- /O.NEW.KMPX.SV.W.0055.120505T1850Z-120505T1930Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 150 PM CDT SAT MAY 5 2012 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHEASTERN BLUE EARTH COUNTY IN SOUTH CENTRAL MINNESOTA... FARIBAULT COUNTY IN SOUTH CENTRAL MINNESOTA... WESTERN FREEBORN COUNTY IN SOUTH CENTRAL MINNESOTA... SOUTHWESTERN WASECA COUNTY IN SOUTH CENTRAL MINNESOTA... * UNTIL 230 PM CDT * AT 145 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM...CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS OF 60 MPH. THIS STORM WAS LOCATED NEAR DELAVAN...OR ABOUT 11 MILES NORTHEAST OF BLUE EARTH...AND MOVING EAST AT 40 MPH. LOCATIONS IN THE WARNING INCLUDE... BLUE EARTH... DELAVAN... WINNEBAGO... BRUSH CREEK... MINNESOTA LAKE... WELLS... ALDEN... FREEBORN... CONGER... OTISCO... MANCHESTER... PRECAUTIONARY/PREPAREDNESS ACTIONS... IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR DAMAGING WINDS IN EXCESS OF 60 MPH AND LARGE HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS. && LAT...LON 4397 9355 4359 9338 4359 9413 4384 9421 TIME...MOT...LOC 1851Z 261DEG 33KT 4377 9387 WIND...HAIL 60MPH 1.00IN $$ SPD
2 follow-up statements
591 WWUS53 KMPX 051905 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 205 PM CDT SAT MAY 5 2012 MNC013-043-047-161-051930- /O.CON.KMPX.SV.W.0055.000000T0000Z-120505T1930Z/ FARIBAULT MN-FREEBORN MN-WASECA MN-BLUE EARTH MN- 205 PM CDT SAT MAY 5 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN BLUE EARTH...SOUTHWESTERN WASECA...WESTERN FREEBORN AND NORTHEASTERN FARIBAULT COUNTIES UNTIL 230 PM CDT... AT 204 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS OF 60 MPH. THIS STORM WAS LOCATED NEAR WELLS...OR 19 MILES NORTHWEST OF ALBERT LEA...MOVING EAST AT 40 MPH. LOCATIONS IMPACTED INCLUDE... ALDEN...FREEBORN...CONGER...OTISCO...MANCHESTER...WALDORF AND HARTLAND. PRECAUTIONARY/PREPAREDNESS ACTIONS... SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER HOUR...LARGE HAIL...AND DEADLY LIGHTNING. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. && LAT...LON 4386 9406 4397 9355 4359 9338 4359 9408 TIME...MOT...LOC 1905Z 261DEG 33KT 4379 9369 WIND...HAIL 60MPH 1.00IN $$ SPD
373 WWUS53 KMPX 051915 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 215 PM CDT SAT MAY 5 2012 MNC013-043-047-161-051930- /O.CON.KMPX.SV.W.0055.000000T0000Z-120505T1930Z/ FARIBAULT MN-FREEBORN MN-WASECA MN-BLUE EARTH MN- 215 PM CDT SAT MAY 5 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN BLUE EARTH...SOUTHWESTERN WASECA...WESTERN FREEBORN AND NORTHEASTERN FARIBAULT COUNTIES UNTIL 230 PM CDT... AT 213 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED NEAR FREEBORN...OR 15 MILES NORTHWEST OF ALBERT LEA...MOVING EAST AT 40 MPH. LOCATIONS IMPACTED INCLUDE... MANCHESTER AND HARTLAND. 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 4359 9402 4387 9389 4391 9352 4359 9338 TIME...MOT...LOC 1915Z 261DEG 33KT 4380 9356 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, 1:02 PM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Brown, Nicollet, Sibley | 43 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, 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.