Alert archive / Minnesota / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 200, NWS Twin Cities, MN

July 3, 2007Douglas County, Todd County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 3, 2007, 1:54 PM CDT for Douglas County, Todd County, Minnesota. It was in force for 51 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 3, 2007, 1:54 PM CDT (18:54 UTC)
Expired
Jul 3, 2007, 2:45 PM CDT
In force
51 min
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

Counties Douglas County, MN, Todd County, MN

The radar

The Minneapolis radar (KMPX), 187 km from the middle of the area, began a volume at 18:54 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 12:00Z, 6.9 hours before the alert went out and 185 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 12:00Z on 2007-07-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1198 joules per kilogram.LCLLFCEL10008507005003002001001 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 12:00Z on 2007-07-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 45 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
1198 J/kg
Mixed-layer CIN
-50 J/kg
Mixed-layer LCL
975 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
45 m²/s²
0-3 km storm-relative helicity
89 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KMPX 031854
SVRMPX
MNC041-153-031945-
/O.NEW.KMPX.SV.W.0200.070703T1854Z-070703T1945Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
154 PM CDT TUE JUL 3 2007

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  TODD COUNTY IN CENTRAL MINNESOTA...
  DOUGLAS COUNTY IN WEST CENTRAL MINNESOTA...

* UNTIL 245 PM CDT

* AT 150 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM...
  CAPABLE OF PRODUCING NICKEL SIZE HAIL...AND DAMAGING WINDS IN
  EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 15 MILES WEST OF EAGLE   
  BEND...OR ABOUT 20 MILES NORTH OF ALEXANDRIA...AND MOVING EAST     
  SOUTHEAST AT   30 MPH.

* LOCATIONS IMPACTED INCLUDE...
  BERTHA...
  EAGLE BEND...
  CLARISSA...
  BROWERVILLE...
  LONG PRAIRIE...

SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE 
WARNING. THIS STORM DOES HAVE WEAK ROTATION. PREPARE TO MOVE TO A 
PLACE OF SAFETY IN A STURDY STRUCTURE SUCH AS A BASEMENT OR SMALL 
INTERIOR ROOM IF A TORNADO IS SPOTTED.

LAT...LON 4628 9515 4610 9515 4610 9539 4599 9538
      4595 9480 4628 9467

$$
1 follow-up statement
000 
WWUS53 KMPX 031942
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
242 PM CDT TUE JUL 3 2007

MNC041-153-031952-
/O.EXP.KMPX.SV.W.0200.000000T0000Z-070703T1945Z/
TODD MN-DOUGLAS MN-
242 PM CDT TUE JUL 3 2007

...THE SEVERE THUNDERSTORM WARNING FOR DOUGLAS AND TODD COUNTIES
EXPIRES AT 245 PM CDT...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE 
LIMITS. HOWEVER...MORE THUNDERSTORMS WERE DEVELOPING IN THE 
AREA...REMAIN ALERT FOR POSSIBLE ADDITIONAL WARNINGS.

REPORT ANY SEVERE WEATHER TO YOUR LAW ENFORCEMENT FOR RELAY TO THE 
NATIONAL WEATHER SERVICE.

LAT...LON 4628 9515 4610 9515 4610 9539 4599 9538
      4595 9480 4628 9467

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 3, 11:56 AM CDTSevere Thunderstorm WarningMPXKandiyohi, Meeker, Stearns49 min
Jul 3, 12:46 PM CDTSevere Thunderstorm WarningMPXSherburne, Stearns, Wright44 min
Jul 3, 2:04 PM CDTSevere Thunderstorm WarningMPXDakota, Rice27 min
Jul 3, 2:30 PM CDTSevere Thunderstorm WarningMPXChisago45 min
Jul 3, 2:51 PM CDTSevere Thunderstorm WarningMPXDouglas, Todd39 min
Jul 3, 3:06 PM CDTSevere Thunderstorm WarningMPXStearns39 min
Jul 3, 3:40 PM CDTSevere Thunderstorm WarningMPXStearns45 min
Jul 3, 4:48 PM CDTSevere Thunderstorm WarningMPXDakota, Rice, Scott42 min
Jul 3, 5:13 PM CDTSevere Thunderstorm WarningMPXWright62 min
Jul 3, 5:26 PM CDTSevere Thunderstorm WarningMPXDakota, Goodhue, Rice64 min
Jul 3, 5:36 PM CDTSevere Thunderstorm WarningMPXSteele, Waseca54 min
Jul 3, 5:46 PM CDTSevere Thunderstorm WarningMPXBlue Earth44 min
Jul 3, 6:13 PM CDTTornado WarningMPXFaribault, Freeborn32 min
Jul 3, 6:27 PM CDTSevere Thunderstorm WarningMPXSteele, Waseca63 min
Jul 3, 6:37 PM CDTSevere Thunderstorm WarningMPXFreeborn53 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2007Every severe thunderstorm warning in 2007

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.