Alert archive / Minnesota / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 10, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at May 9, 2011, 2:54 AM CDT for Pope County, Stevens County, Swift County, Minnesota. It was in force for 52 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 9, 2011, 2:54 AM CDT (07:54 UTC)
- Expired
- May 9, 2011, 3:46 AM CDT
- In force
- 52 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
Counties Pope County, MN, Stevens County, MN, Swift County, MN
The radar
The Minneapolis radar (KMPX), 179 km from the middle of the area, began a volume at 07:56 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 nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 7.9 hours before the alert went out and 177 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
- 1913 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 184 m²/s²
- 0-3 km storm-relative helicity
- 415 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
166 WUUS53 KMPX 090754 SVRMPX MNC121-149-151-090900- /O.NEW.KMPX.SV.W.0010.110509T0754Z-110509T0900Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 254 AM CDT MON MAY 9 2011 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... POPE COUNTY IN WEST CENTRAL MINNESOTA... EASTERN STEVENS COUNTY IN WEST CENTRAL MINNESOTA... NORTH CENTRAL SWIFT COUNTY IN WEST CENTRAL MINNESOTA... * UNTIL 400 AM CDT * AT 251 AM CDT...RADAR INDICATED A SEVERE THUNDERSTORM...CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED NEAR CLONTARF...OR ABOUT 7 MILES NORTHWEST OF BENSON...AND MOVING NORTHEAST AT 25 MPH. LOCATIONS IN THE WARNING INCLUDE... GLENWOOD... HANCOCK... CYRUS... STARBUCK... LONG BEACH... LOWRY... 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 4576 9576 4576 9513 4525 9551 4534 9590 TIME...MOT...LOC 0754Z 205DEG 24KT 4539 9572 WIND...HAIL <50MPH 1.00IN $$
2 follow-up statements
407 WWUS53 KMPX 090826 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 326 AM CDT MON MAY 9 2011 MNC149-090835- /O.CAN.KMPX.SV.W.0010.000000T0000Z-110509T0900Z/ STEVENS MN- 326 AM CDT MON MAY 9 2011 ...THE SEVERE THUNDERSTORM WARNING FOR EASTERN STEVENS COUNTY IS CANCELLED... THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED AREA. LAT...LON 4576 9562 4576 9513 4525 9551 4531 9577 TIME...MOT...LOC 0825Z 196DEG 34KT 4560 9547 $$ MNC121-151-090900- /O.CON.KMPX.SV.W.0010.000000T0000Z-110509T0900Z/ POPE MN-SWIFT MN- 326 AM CDT MON MAY 9 2011 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTH CENTRAL SWIFT AND POPE COUNTIES UNTIL 400 AM CDT... AT 323 AM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED NEAR STARBUCK...OR 7 MILES SOUTHWEST OF GLENWOOD...MOVING NORTH AT 40 MPH. LOCATIONS IMPACTED INCLUDE... GLENWOOD...LONG BEACH...LOWRY...FARWELL...VILLARD AND WESTPORT. 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 4576 9562 4576 9513 4525 9551 4531 9577 TIME...MOT...LOC 0825Z 196DEG 34KT 4560 9547 WIND...HAIL <50MPH 1.00IN $$
259 WWUS53 KMPX 090846 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 346 AM CDT MON MAY 9 2011 MNC121-151-090856- /O.CAN.KMPX.SV.W.0010.000000T0000Z-110509T0900Z/ POPE MN-SWIFT MN- 346 AM CDT MON MAY 9 2011 ...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL SWIFT AND POPE COUNTIES IS CANCELLED... THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED AREA. LAT...LON 4576 9562 4576 9513 4525 9551 4531 9577 TIME...MOT...LOC 0846Z 196DEG 34KT 4579 9539 $$
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 9, 2:11 AM CDT | Special Weather Statement | MPX | Stevens | 49 min |
| May 9, 2:27 AM CDT | Special Weather Statement | MPX | Lac qui Parle | 48 min |
| May 9, 2:39 AM CDT | Severe Thunderstorm Warning | MPX | Stevens | 36 min |
| May 9, 3:11 AM CDT | Special Weather Statement | MPX | Chippewa, Yellow Medicine | 64 min |
| May 9, 3:42 AM CDT | Special Weather Statement | MPX | Kandiyohi, Meeker, Redwood, Renville, Stearns | 93 min |
| May 9, 4:19 AM CDT | Special Weather Statement | MPX | Brown, Kandiyohi, McLeod, Meeker, Redwood, Renville and 1 more | 41 min |
| May 9, 4:32 AM CDT | Special Weather Statement | MPX | Benton, Brown, McLeod, Meeker, Morrison, Nicollet and 5 more | 28 min |
| May 9, 5:03 AM CDT | Special Weather Statement | MPX | Anoka, Benton, Blue Earth, Brown, Carver, Chisago and 20 more | 72 min |
| May 9, 5:33 AM CDT | Special Weather Statement | MPX | Anoka, Carver, Dakota, Hennepin, Le Sueur, Ramsey and 4 more | 2 hr |
| May 9, 6:18 AM CDT | Severe Thunderstorm Warning | MPX | Dakota, Rice, Scott | 57 min |
| May 9, 7:38 AM CDT | Special Weather Statement | MPX | Brown, Nicollet | 97 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2011Every severe thunderstorm warning in 2011
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.