Alert archive / Minnesota / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 248, NWS Twin Cities, MN

August 23, 2011Faribault County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 23, 2011, 6:12 AM CDT for Faribault County, Minnesota. It was in force for 33 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: Aug 23, 2011, 6:12 AM CDT (11:12 UTC)
Expired: Aug 23, 2011, 6:45 AM CDT
In force: 33 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 0.88 in
Wind: 60.0 mph

County Faribault County, MN

The radar

The Minneapolis radar (KMPX), 140 km from the middle of the area, began a volume at 11:12 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
Aug 23, 3:34 AM CDT	Severe Thunderstorm Watch	SPC	4 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 11.2 hours before the alert went out and 139 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 114 J/kg
Mixed-layer CIN: -258 J/kg
Mixed-layer LCL: 1559 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 76 m²/s²
0-3 km storm-relative helicity: 155 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

681 
WUUS53 KMPX 231112
SVRMPX
MNC043-231145-
/O.NEW.KMPX.SV.W.0248.110823T1112Z-110823T1145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
612 AM CDT TUE AUG 23 2011

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  FARIBAULT COUNTY IN SOUTH CENTRAL MINNESOTA...

* UNTIL 645 AM CDT

* AT 607 AM CDT...RADAR INDICATED A SEVERE THUNDERSTORM...CAPABLE OF
  PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
  LOCATED NEAR WINNEBAGO...OR ABOUT 10 MILES NORTHWEST OF BLUE
  EARTH...AND MOVING SOUTHEAST AT 60 MPH.  NICKEL SIZE HAIL MAY ALSO
  ACCOMPANY THESE DAMAGING WINDS.

LOCATIONS IN THE WARNING INCLUDE...
  BLUE EARTH...
  WINNEBAGO...
  DELAVAN...
  MINNESOTA LAKE...
  WELLS...
  BRUSH CREEK...
  ELMORE...
  BRICELYN...
  KIESTER...
  INTERSTATE 90...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR
DAMAGING WINDS IN EXCESS OF 60 MPH AND HAIL. SEEK SHELTER NOW INSIDE
A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.

REPORT ANY SIGNIFICANT WIND OR HAIL DAMAGE TO THE NEAREST LAW
ENFORCEMENT AGENCY...FOR RELAY TO THE NATIONAL WEATHER SERVICE.

&&

LAT...LON 4351 9424 4357 9426 4377 9425 4385 9403
      4385 9383 4370 9364 4350 9364 4349 9423
TIME...MOT...LOC 1112Z 319DEG 55KT 4371 9415
WIND...HAIL 60MPH 0.88IN

$$

2 follow-up statements

652 
WWUS53 KMPX 231124
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
624 AM CDT TUE AUG 23 2011

MNC043-231145-
/O.CON.KMPX.SV.W.0248.000000T0000Z-110823T1145Z/
FARIBAULT MN-
624 AM CDT TUE AUG 23 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR FARIBAULT
COUNTY UNTIL 645 AM CDT...

AT 624 AM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH.
THIS STORM WAS LOCATED NEAR BLUE EARTH...MOVING SOUTHEAST AT 60 MPH. 
NICKEL SIZE HAIL MAY ALSO ACCOMPANY THESE DAMAGING WINDS.

LOCATIONS IMPACTED INCLUDE...
  BRICELYN...KIESTER...FROST...BARODA...WALTERS...AND INTERSTATE 90.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...HAIL...AND DEADLY LIGHTNING. FOR YOUR PROTECTION MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS.

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 4355 9416 4367 9424 4383 9399 4384 9382
      4370 9364 4351 9364 4350 9366 4350 9408
TIME...MOT...LOC 1124Z 319DEG 55KT 4359 9398
WIND...HAIL 60MPH 0.88IN

$$

693 
WWUS53 KMPX 231135
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
635 AM CDT TUE AUG 23 2011

MNC043-231145-
/O.CON.KMPX.SV.W.0248.000000T0000Z-110823T1145Z/
FARIBAULT MN-
635 AM CDT TUE AUG 23 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EASTERN
FARIBAULT COUNTY UNTIL 645 AM CDT...

AT 635 AM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH.
THIS STORM WAS LOCATED 4 MILES NORTHWEST OF KIESTER...MOVING 
SOUTHEAST AT 60 MPH. NICKEL SIZE HAIL MAY ALSO ACCOMPANY THESE 
DAMAGING WINDS.

LOCATIONS IN THE WARNING INCLUDE...KIESTER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...HAIL...AND DEADLY LIGHTNING. FOR YOUR PROTECTION MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS.

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 4357 9411 4377 9380 4365 9364 4351 9364
      4350 9366 4350 9407
TIME...MOT...LOC 1135Z 319DEG 55KT 4346 9383
WIND...HAIL 60MPH 0.88IN

$$

The office that day

Everything else NWS Twin Cities, MN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 23, 12:08 AM CDT	Special Weather Statement	MPX	Martin, Watonwan	52 min
Aug 23, 12:44 AM CDT	Special Weather Statement	MPX	Redwood	46 min
Aug 23, 1:24 AM CDT	Special Weather Statement	MPX	Renville	51 min
Aug 23, 2:01 AM CDT	Special Weather Statement	MPX	Nicollet	44 min
Aug 23, 2:04 AM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Brown, Nicollet	26 min
Aug 23, 2:13 AM CDT	Special Weather Statement	MPX	Douglas, Stevens	62 min
Aug 23, 2:24 AM CDT	Severe Thunderstorm Warning	MPX	Douglas, Pope, Stevens, Todd	66 min
Aug 23, 2:30 AM CDT	Severe Thunderstorm Warning	MPX	Le Sueur, Nicollet, Rice, Sibley	45 min
Aug 23, 2:51 AM CDT	Special Weather Statement	MPX	Freeborn	39 min
Aug 23, 2:55 AM CDT	Severe Thunderstorm Warning	MPX	Douglas, Pope, Stearns, Stevens, Swift, Todd	65 min
Aug 23, 2:57 AM CDT	Special Weather Statement	MPX	Carver	48 min
Aug 23, 3:08 AM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Lac qui Parle, Swift	67 min
Aug 23, 3:12 AM CDT	Severe Thunderstorm Warning	MPX	Scott	33 min
Aug 23, 3:38 AM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Kandiyohi, Lac qui Parle, Meeker, Pope, Stearns and 2 more	56 min
Aug 23, 3:40 AM CDT	Special Weather Statement	MPX	Dakota	50 min
Aug 23, 4:04 AM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi, McLeod, Meeker, Renville, Stearns, Yellow Medicine	56 min
Aug 23, 4:28 AM CDT	Special Weather Statement	MPX	Benton, Isanti, McLeod, Renville, Sherburne, Wright	47 min
Aug 23, 5:12 AM CDT	Severe Thunderstorm Warning	MPX	Anoka, Carver, Hennepin, Wright	46 min
Aug 23, 5:30 AM CDT	Severe Thunderstorm Warning	MPX	Anoka, Dakota, Ramsey	46 min
Aug 23, 5:52 AM CDT	Special Weather Statement	MPX	Washington	38 min
Aug 23, 6:42 AM CDT	Special Weather Statement	MPX	Freeborn	33 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2011 Every 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.