Alert archive / Minnesota / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 144, NWS Twin Cities, MN

July 15, 2011Stearns County, Todd County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 15, 2011, 6:44 AM CDT for Stearns County, Todd County, Minnesota. It was in force for 61 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 15, 2011, 6:44 AM CDT (11:44 UTC)
Expired
Jul 15, 2011, 7:45 AM CDT
In force
61 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Stearns County, MN, Todd County, MN

The radar

The Minneapolis radar (KMPX), 129 km from the middle of the area, began a volume at 11:44 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.

IssuedProductOfficeLasted
Jul 15, 6:40 AM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 11.7 hours before the alert went out and 128 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-pSkew-T log-p diagram, Minneapolis, MN at 00:00Z on 2011-07-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 00:00Z on 2011-07-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 78 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
703 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
78 m²/s²
0-3 km storm-relative helicity
271 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.

650 
WUUS53 KMPX 151144
SVRMPX
MNC145-153-151245-
/O.NEW.KMPX.SV.W.0144.110715T1144Z-110715T1245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
644 AM CDT FRI JUL 15 2011

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN STEARNS COUNTY IN CENTRAL MINNESOTA...
  SOUTHEASTERN TODD COUNTY IN CENTRAL MINNESOTA...

* UNTIL 745 AM CDT

* AT 640 AM CDT...RADAR INDICATED A SEVERE THUNDERSTORM...CAPABLE OF
  PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS OF 60 MPH.
  THIS STORM WAS LOCATED NEAR SAUK CENTRE...OR ABOUT 21 MILES SOUTH
  OF LONG PRAIRIE...AND MOVING EAST AT 30 MPH.

LOCATIONS IN THE WARNING INCLUDE...
  SAUK CENTRE...
  ELROSA...
  MEIRE GROVE...
  MELROSE...
  NEW MUNICH...
  PLEASANT BEACH...
  NORTH SHORE...
  ST ROSA...
  FREEPORT...
  ALBANY...
  AVON...
  HOLDINGFORD...
  COLLEGEVILLE...

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.

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

&&

LAT...LON 4577 9464 4577 9434 4559 9430 4553 9504
      4575 9507 4584 9465
TIME...MOT...LOC 1144Z 262DEG 24KT 4569 9490
WIND...HAIL 60MPH 1.00IN

$$

JLT
2 follow-up statements
963 
WWUS53 KMPX 151157
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
657 AM CDT FRI JUL 15 2011

MNC145-153-151245-
/O.CON.KMPX.SV.W.0144.000000T0000Z-110715T1245Z/
STEARNS MN-TODD MN-
657 AM CDT FRI JUL 15 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
TODD AND NORTHERN STEARNS COUNTIES UNTIL 745 AM CDT...

AT 653 AM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING
WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR MELROSE...OR
20 MILES SOUTH OF LONG PRAIRIE...MOVING EAST AT 30 MPH.

LOCATIONS IMPACTED INCLUDE...
  PLEASANT BEACH...NORTH SHORE...ST ROSA...FREEPORT...ALBANY...
  AVON...HOLDINGFORD...COLLEGEVILLE AND OPOLE.

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 4577 9464 4577 9434 4559 9430 4553 9504
      4575 9507 4584 9465
TIME...MOT...LOC 1157Z 262DEG 24KT 4570 9478
WIND...HAIL 60MPH 1.00IN

$$

JLT
202 
WWUS53 KMPX 151240
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
740 AM CDT FRI JUL 15 2011

MNC153-151253-
/O.CAN.KMPX.SV.W.0144.000000T0000Z-110715T1245Z/
TODD MN-
740 AM CDT FRI JUL 15 2011

...ONE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN TODD COUNTY IS 
CANCELLED... BUT ANOTHER REMAINS IN EFFECT...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA. HOWEVER... A SECOND SEVERE THUNDERSTORM WAS LOCATED EAST OF 
ALEXANDRIA... AND WILL BE MOVING INTO SOUTHERN TODD COUNTY BY 745 AM 
CDT. A SEVERE THUNDERSTORM WARNING DUE TO THAT STORM IS IN EFFECT 
THROUGH 830 AM CDT.

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 4576 9453 4577 9434 4559 9430 4555 9480
      4568 9465
TIME...MOT...LOC 1238Z 263DEG 25KT 4568 9441

$$

MNC145-151245-
/O.CON.KMPX.SV.W.0144.000000T0000Z-110715T1245Z/
STEARNS MN-
740 AM CDT FRI JUL 15 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CENTRAL
STEARNS COUNTY UNTIL 745 AM CDT...

AT 735 AM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING
WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
HOLDINGFORD...OR 16 MILES NORTHWEST OF ST CLOUD...MOVING EAST AT 30 
MPH. ANOTHER SEVERE THUNDERSTORM WAS LOCATED SOUTHEAST OF ALEXANDRIA 
AND WILL BE MOVING INTO WESTERN STEARNS COUNTY... WHERE A SEPARATE 
SEVERE THUNDERSTORM WARNING IS IN EFFECT THROUGH 830 AM CDT.

LOCATIONS IMPACTED INCLUDE...
  COLLEGEVILLE AND OPOLE.

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 4576 9453 4577 9434 4559 9430 4555 9480
      4568 9465
TIME...MOT...LOC 1238Z 263DEG 25KT 4568 9441
WIND...HAIL 60MPH 1.00IN

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 15, 3:40 AM CDTExcessive Heat WatchMPXAnoka, Benton, Blue Earth, Brown, Carver, Chippewa and 36 more36 hr
Jul 15, 4:58 AM CDTSevere Thunderstorm WarningMPXDouglas62 min
Jul 15, 5:55 AM CDTAreal Flood AdvisoryMPXDouglas, Todd3 hr
Jul 15, 6:13 AM CDTSpecial Weather StatementMPXTodd62 min
Jul 15, 6:19 AM CDTSevere Thunderstorm WarningMPXDouglas, Stearns, Todd56 min
Jul 15, 6:50 AM CDTSevere Thunderstorm WarningMPXDouglas55 min
Jul 15, 7:05 AM CDTSevere Thunderstorm WarningMPXStearns55 min
Jul 15, 7:11 AM CDTSpecial Weather StatementMPXMorrison79 min
Jul 15, 7:33 AM CDTSevere Thunderstorm WarningMPXDouglas, Pope, Stearns, Todd57 min
Jul 15, 8:14 AM CDTFlash Flood WarningMPXDouglas, Todd3 hr
Jul 15, 8:37 AM CDTSpecial Weather StatementMPXStearns53 min
Jul 15, 8:51 AM CDTFlash Flood WarningMPXPope, Stearns3 hr
Jul 15, 9:00 AM CDTSevere Thunderstorm WarningMPXMeeker, Stearns, Wright45 min
Jul 15, 9:36 AM CDTRiver Flood WarningMPXTodd5 days
Jul 15, 10:12 AM CDTSpecial Weather StatementMPXAnoka, Hennepin, Sherburne, Wright63 min
Jul 15, 11:07 AM CDTSpecial Weather StatementMPXFreeborn, Steele38 min
Jul 15, 12:41 PM CDTSevere Thunderstorm WarningMPXDakota, Goodhue, Rice52 min
Jul 15, 12:52 PM CDTFlood WatchMPXAnoka, Blue Earth, Brown, Carver, Chippewa, Dakota and 22 more13 hr
Jul 15, 2:45 PM CDTSevere Thunderstorm WarningMPXBlue Earth, Le Sueur, Nicollet, Waseca44 min
Jul 15, 3:09 PM CDTAreal Flood AdvisoryMPXBlue Earth, Carver, Le Sueur, Nicollet, Rice, Scott and 2 more3 hr
Jul 15, 3:20 PM CDTSpecial Weather StatementMPXFreeborn, Le Sueur, Rice, Steele, Waseca55 min
Jul 15, 3:34 PM CDTSevere Thunderstorm WarningMPXFreeborn, Rice, Steele, Waseca26 min
Jul 15, 3:35 PM CDTFlash Flood WarningMPXDakota, Le Sueur, Rice, Scott, Steele, Waseca3 hr
Jul 15, 3:46 PM CDTExcessive Heat WarningMPXAnoka, Benton, Blue Earth, Brown, Carver, Chippewa and 36 more5 days
Jul 15, 3:50 PM CDTFlash Flood WarningMPXDakota, Goodhue, Rice3 hr
Jul 15, 4:55 PM CDTAreal Flood AdvisoryMPXFaribault, Freeborn, Steele, Waseca3 hr

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.