Alert archive / Minnesota / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 266, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 23, 2012, 1:07 PM CDT for Pope County, Stevens County, Minnesota. It was in force for 53 min. 2 reports 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
- Aug 23, 2012, 1:07 PM CDT (18:07 UTC)
- Expired
- Aug 23, 2012, 2:00 PM CDT
- In force
- 53 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
The radar
The Minneapolis radar (KMPX), 175 km from the middle of the area, began a volume at 18:09 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 |
|---|---|---|---|
| Aug 23, 1:10 PM CDT | HAIL 1 | 6 Ssw Hancock, MN | HAILED FOR ABOUT 15 MINUTES. LEAVES STRIPPED FROM CORN AND BEANS. |
| Aug 23, 1:15 PM CDT | HAIL 0.88 | 5 S Hancock, MN | HAILED FOR TEN MINUTES. |
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, 6.1 hours before the alert went out and 173 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
- 2118 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 78 m²/s²
- 0-3 km storm-relative helicity
- 158 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
407
WUUS53 KMPX 231807
SVRMPX
MNC121-149-231900-
/O.NEW.KMPX.SV.W.0266.120823T1807Z-120823T1900Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
107 PM CDT THU AUG 23 2012
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
POPE COUNTY IN WEST CENTRAL MINNESOTA...
SOUTHEASTERN STEVENS COUNTY IN WEST CENTRAL MINNESOTA...
* UNTIL 200 PM CDT
* AT 104 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM...CAPABLE OF
PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED 12 MILES
NORTHWEST OF BENSON...AND MOVING NORTHEAST AT 30 MPH.
LOCATIONS IN THE WARNING INCLUDE...
GLENWOOD...
HANCOCK...
STARBUCK...
LONG BEACH...
SEDAN...
GROVE LAKE...
VILLARD...
WESTPORT...
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 4551 9596 4576 9519 4576 9517 4553 9517
4541 9561 4541 9591
TIME...MOT...LOC 1806Z 243DEG 28KT 4542 9579
WIND...HAIL <50MPH 1.00IN
$$
JLT5 follow-up statements
405
WWUS53 KMPX 231816
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
116 PM CDT THU AUG 23 2012
MNC121-149-231900-
/O.CON.KMPX.SV.W.0266.000000T0000Z-120823T1900Z/
POPE MN-STEVENS MN-
116 PM CDT THU AUG 23 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
STEVENS AND POPE COUNTIES UNTIL 200 PM CDT...
AT 113 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS
LOCATED 11 MILES NORTHWEST OF BENSON...MOVING NORTHEAST AT 30 MPH.
THE SEVERE THUNDERSTORM WILL BE NEAR...
GLENWOOD AROUND 155 PM CDT.
OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE SEDAN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...LARGE HAIL...AND DEADLY LIGHTNING. FOR YOUR PROTECTION MOVE TO
AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS.
&&
LAT...LON 4551 9596 4576 9519 4576 9517 4553 9517
4541 9561 4541 9591
TIME...MOT...LOC 1816Z 244DEG 26KT 4544 9574
WIND...HAIL <50MPH 1.00IN
$$
JLT234
WWUS53 KMPX 231823
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
123 PM CDT THU AUG 23 2012
MNC149-231837-
/O.CAN.KMPX.SV.W.0266.000000T0000Z-120823T1900Z/
STEVENS MN-
123 PM CDT THU AUG 23 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN STEVENS COUNTY IS
CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.
LAT...LON 4555 9573 4576 9519 4575 9517 4553 9517
4541 9560 4542 9574
TIME...MOT...LOC 1822Z 247DEG 29KT 4546 9566
$$
MNC121-231900-
/O.CON.KMPX.SV.W.0266.000000T0000Z-120823T1900Z/
POPE MN-
123 PM CDT THU AUG 23 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR POPE COUNTY
UNTIL 200 PM CDT...
AT 118 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS
LOCATED 10 MILES NORTHWEST OF BENSON...MOVING NORTHEAST AT 35 MPH.
THE SEVERE THUNDERSTORM WILL BE NEAR...
GLENWOOD AROUND 155 PM CDT.
OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE SEDAN
AND GROVE LAKE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...LARGE HAIL...AND DEADLY LIGHTNING. FOR YOUR PROTECTION MOVE TO
AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS.
IF YOU ARE ON A LAKE...GET OUT OF THE WATER AND MOVE INDOORS OR
INSIDE A VEHICLE. IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO
BE STRUCK BY LIGHTNING. IN ADDITION...THUNDERSTORMS CAN PRODUCE
LARGE CAPSIZING WAVES...EVEN ON SMALL BODIES OF WATER. MOVE INTO
DOCK AND SEEK SAFE SHELTER NOW. DON'T BE CAUGHT ON THE WATER IN A
THUNDERSTORM!
&&
LAT...LON 4555 9573 4576 9519 4575 9517 4553 9517
4541 9560 4542 9574
TIME...MOT...LOC 1822Z 247DEG 29KT 4546 9566
WIND...HAIL <50MPH 1.00IN
$$
JLT572
WWUS53 KMPX 231837
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
137 PM CDT THU AUG 23 2012
MNC121-231900-
/O.CON.KMPX.SV.W.0266.000000T0000Z-120823T1900Z/
POPE MN-
137 PM CDT THU AUG 23 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHERN POPE
COUNTY UNTIL 200 PM CDT...
AT 132 PM CDT...THE PUBLIC REPORTED A SEVERE THUNDERSTORM PRODUCING
LARGE HAIL. THIS STORM WAS LOCATED 11 MILES NORTH OF
BENSON...MOVING NORTHEAST AT 50 MPH.
IN ADDITION...AT 110 PM NICKEL SIZE HAIL WAS REPORTED SOUTH OF
HANCOCK WITH THIS STORM...AND LASTED FOR 10 MINUTES.
THIS SEVERE THUNDERSTORM WILL AFFECT MAINLY RURAL AREAS OF SOUTHERN
POPE COUNTY...INCLUDING THE FOLLOWING LOCATIONS SEDAN AND GROVE LAKE.
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 4555 9562 4565 9529 4565 9518 4554 9517
4553 9518 4541 9560 4542 9574
TIME...MOT...LOC 1835Z 247DEG 44KT 4548 9548
WIND...HAIL <50MPH 1.00IN
$$
JLT337
WWUS53 KMPX 231849
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
149 PM CDT THU AUG 23 2012
MNC121-231900-
/O.CON.KMPX.SV.W.0266.000000T0000Z-120823T1900Z/
POPE MN-
149 PM CDT THU AUG 23 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHERN POPE
COUNTY UNTIL 200 PM CDT...
AT 146 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS
LOCATED 11 MILES SOUTH OF GLENWOOD...MOVING NORTHEAST AT 30 MPH.
LOCATIONS IMPACTED INCLUDE...
SEDAN AND GROVE LAKE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...LARGE HAIL...AND DEADLY LIGHTNING. FOR YOUR PROTECTION MOVE TO
AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS.
&&
LAT...LON 4555 9562 4565 9529 4565 9518 4554 9517
4553 9518 4541 9560 4542 9574
TIME...MOT...LOC 1849Z 246DEG 28KT 4551 9538
WIND...HAIL <50MPH 1.00IN
$$
JLT111
WWUS53 KMPX 231856
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
156 PM CDT THU AUG 23 2012
MNC121-231911-
/O.EXP.KMPX.SV.W.0266.000000T0000Z-120823T1900Z/
POPE MN-
156 PM CDT THU AUG 23 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN POPE COUNTY WILL
EXPIRE AT 200 PM CDT...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR
PROPERTY...HOWEVER SMALL HAIL IS STILL POSSIBLE WITH THIS
THUNDERSTORM.
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 4555 9562 4565 9529 4565 9518 4554 9517
4553 9518 4541 9560 4542 9574
TIME...MOT...LOC 1856Z 246DEG 28KT 4553 9531
$$
JLTThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 23, 11:16 AM CDT | Special Weather Statement | MPX | Swift | 29 min |
| Aug 23, 11:30 AM CDT | Special Weather Statement | MPX | Swift | 45 min |
| Aug 23, 12:30 PM CDT | Special Weather Statement | MPX | Pope, Stevens, Swift | 60 min |
| Aug 23, 2:49 PM CDT | Special Weather Statement | MPX | Pope | 41 min |
| Aug 23, 2:50 PM CDT | Areal Flood Advisory | MPX | Pope, Stevens, Swift | 3 hr |
| Aug 23, 5:03 PM CDT | Special Weather Statement | MPX | Wright | 27 min |
| Aug 23, 6:06 PM CDT | Severe Thunderstorm Warning | MPX | Redwood | 54 min |
| Aug 23, 6:31 PM CDT | Special Weather Statement | MPX | Isanti, Kanabec, Mille Lacs | 44 min |
| Aug 23, 6:46 PM CDT | Severe Thunderstorm Warning | MPX | Kanabec, Mille Lacs | 44 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.