Alert archive / Minnesota / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 173, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 23, 2011, 5:21 AM CDT for 5 counties in Minnesota. It was in force for 54 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
- Jul 23, 2011, 5:21 AM CDT (10:21 UTC)
- Expired
- Jul 23, 2011, 6:15 AM CDT
- In force
- 54 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Douglas County, MN, Morrison County, MN, Pope County, MN, Stearns County, MN, Todd County, MN
The radar
The Minneapolis radar (KMPX), 166 km from the middle of the area, began a volume at 10:23 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 |
|---|---|---|---|
| Jul 23, 1:41 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 10.4 hours before the alert went out and 165 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
- 2607 J/kg
- Mixed-layer CIN
- -48 J/kg
- Mixed-layer LCL
- 1019 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 43 m²/s²
- 0-3 km storm-relative helicity
- 58 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 4.6
The text
As transmitted, in the capitals the NWS used until 2016.
563
WUUS53 KMPX 231021
SVRMPX
MNC041-097-121-145-153-231115-
/O.NEW.KMPX.SV.W.0173.110723T1021Z-110723T1115Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
521 AM CDT SAT JUL 23 2011
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EASTERN DOUGLAS COUNTY IN WEST CENTRAL MINNESOTA...
WESTERN MORRISON COUNTY IN CENTRAL MINNESOTA...
POPE COUNTY IN WEST CENTRAL MINNESOTA...
WESTERN STEARNS COUNTY IN CENTRAL MINNESOTA...
TODD COUNTY IN CENTRAL MINNESOTA...
* UNTIL 615 AM CDT
* AT 519 AM CDT...RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS...
CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS
OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM
EAGLE BEND TO 8 MILES NORTHEAST OF CLONTARF...AND MOVING EAST AT 30
MPH.
LOCATIONS IN THE WARNING INCLUDE...
ALEXANDRIA...
GLENWOOD...
STAPLES...
LONG PRAIRIE...
LONG BEACH...
ROSE CITY...
FORADA...
STARBUCK...
CARLOS...
LOWRY...
MILTONA...
HEWITT...
BERTHA...
EAGLE BEND...
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 4631 9454 4634 9442 4629 9434 4621 9439
4616 9436 4616 9429 4538 9474 4541 9476
4541 9574 4550 9575 4612 9535 4611 9515
4631 9517 4637 9515 4638 9473
TIME...MOT...LOC 1021Z 272DEG 27KT 4614 9510 4547 9554
WIND...HAIL 60MPH 1.00IN
$$
JPC2 follow-up statements
157
WWUS53 KMPX 231046
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
546 AM CDT SAT JUL 23 2011
MNC041-097-121-145-153-231115-
/O.CON.KMPX.SV.W.0173.000000T0000Z-110723T1115Z/
DOUGLAS MN-MORRISON MN-POPE MN-STEARNS MN-TODD MN-
546 AM CDT SAT JUL 23 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR TODD...WESTERN
STEARNS...POPE...WESTERN MORRISON AND EASTERN DOUGLAS COUNTIES UNTIL
615 AM CDT...
AT 542 AM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG
A LINE EXTENDING FROM 6 MILES SOUTHEAST OF VERNDALE TO 7 MILES WEST
OF SAUK CENTRE TO CLONTARF...MOVING EAST AT 40 MPH.
LOCATIONS IMPACTED INCLUDE...
STAPLES...LONG PRAIRIE...BROWERVILLE...LITTLE SAUK...SEDAN...SAUK
CENTRE...PHILBROOK...MOTLEY...GREY EAGLE...NORTH SHORE...
SWANVILLE...CUSHING...PLEASANT BEACH...MELROSE AND ST ROSA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN THE TWIN CITIES.
&&
LAT...LON 4631 9454 4634 9442 4629 9434 4621 9439
4616 9436 4616 9429 4538 9474 4541 9476
4541 9574 4551 9575 4567 9565 4611 9515
4637 9515 4638 9473
TIME...MOT...LOC 1046Z 250DEG 35KT 4635 9488 4575 9505
4539 9562
WIND...HAIL 60MPH 1.00IN
$$
JPC876
WWUS53 KMPX 231105
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
605 AM CDT SAT JUL 23 2011
MNC041-097-121-145-153-231115-
/O.CON.KMPX.SV.W.0173.000000T0000Z-110723T1115Z/
DOUGLAS MN-MORRISON MN-POPE MN-STEARNS MN-TODD MN-
605 AM CDT SAT JUL 23 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR TODD...WESTERN
STEARNS...SOUTHEASTERN POPE...WESTERN MORRISON AND SOUTHEASTERN
DOUGLAS COUNTIES UNTIL 615 AM CDT...
AT 600 AM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG
A LINE EXTENDING FROM MOTLEY TO MELROSE TO 8 MILES WEST OF SUNBURG...
MOVING EAST AT 40 MPH.
LOCATIONS IMPACTED INCLUDE...
CUSHING...SWANVILLE...MELROSE...ST ROSA...MEIRE GROVE...RANDALL...
ELROSA...UPSALA...NEW MUNICH...FREEPORT...SOBIESKI...ELMDALE...
BELGRADE...GEORGEVILLE AND LAKE HENRY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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 4636 9471 4631 9454 4634 9442 4629 9434
4621 9439 4616 9436 4616 9429 4538 9474
4541 9476 4541 9574 4578 9520 4638 9500
4638 9473
TIME...MOT...LOC 1105Z 251DEG 35KT 4635 9457 4575 9475
4540 9533
WIND...HAIL 60MPH 1.00IN
$$
JPCThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 22, 7:11 PM CDT | Severe Thunderstorm Warning | MPX | Stevens | 30 min |
| Jul 22, 7:55 PM CDT | Special Weather Statement | MPX | Lac qui Parle | 50 min |
| Jul 22, 8:47 PM CDT | Special Weather Statement | MPX | Lac qui Parle | 73 min |
| Jul 23, 3:56 AM CDT | Heat Advisory | MPX | Blue Earth, Brown, Faribault, Freeborn, Goodhue, Le Sueur and 7 more | 11 hr |
| Jul 23, 4:38 AM CDT | Special Weather Statement | MPX | Douglas, Pope, Stevens | 67 min |
| Jul 23, 4:48 AM CDT | Severe Thunderstorm Warning | MPX | Douglas | 42 min |
| Jul 23, 6:21 AM CDT | Special Weather Statement | MPX | Benton, Kandiyohi, Meeker, Mille Lacs, Morrison, Sherburne and 1 more | 69 min |
| Jul 23, 7:39 AM CDT | Special Weather Statement | MPX | Anoka, Chisago, Isanti, Kanabec, McLeod, Meeker and 5 more | 51 min |
| Jul 23, 8:27 AM CDT | Special Weather Statement | MPX | Carver, Scott | 48 min |
| Jul 23, 8:46 AM CDT | Severe Thunderstorm Warning | MPX | Carver, Le Sueur, Rice, Scott | 44 min |
| Jul 23, 9:17 AM CDT | Severe Thunderstorm Warning | MPX | Dakota, Goodhue, Rice, Scott, Steele | 58 min |
| Jul 23, 10:09 AM CDT | Severe Thunderstorm Warning | MPX | Goodhue | 51 min |
| Jul 23, 1:04 PM CDT | Special Weather Statement | MPX | Pope | 56 min |
| Jul 23, 1:53 PM CDT | Special Weather Statement | MPX | Stearns | 52 min |
| Jul 23, 1:55 PM CDT | Special Weather Statement | MPX | Benton | 35 min |
| Jul 23, 2:34 PM CDT | Special Weather Statement | MPX | Sherburne | 41 min |
| Jul 23, 3:08 PM CDT | Special Weather Statement | MPX | Sherburne | 37 min |
| Jul 23, 4:03 PM CDT | Special Weather Statement | MPX | Ramsey, Washington | 57 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.