Alert archive / Minnesota / Tornado Warnings in 2004

Tornado Warning 31, NWS Twin Cities, MN

August 25, 2004Kandiyohi County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Aug 25, 2004, 4:37 PM CDT for Kandiyohi County, Minnesota. It was in force for 23 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 25, 2004, 4:37 PM CDT (21:37 UTC)
Expired
Aug 25, 2004, 5:00 PM CDT
In force
23 min
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

County Kandiyohi County, MN

The radar

The Minneapolis radar (KMPX), 129 km from the middle of the area, began a volume at 21:38 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, 9.6 hours before the alert went out and 127 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 2004-08-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 257 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 2004-08-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -4 square meters per square second.19395878Sfc1 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
257 J/kg
Mixed-layer CIN
-92 J/kg
Mixed-layer LCL
892 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
-4 m²/s²
0-3 km storm-relative helicity
41 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KMPX 252137
TORMPX
MNC067-252200-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
436 PM CDT WED AUG 25 2004

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* TORNADO WARNING FOR...
  KANDIYOHI COUNTY IN CENTRAL MINNESOTA

* UNTIL 500 PM CDT

* AT 434 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A FUNNEL CLOUD
  NEAR PENNOCK...OR ABOUT 14 MILES SOUTHWEST OF WILLMAR...MOVING
  NORTH AT 20 MPH.

* LOCATIONS IMPACTED INCLUDE...
  PENNOCK.
  PRINSBURG.
  RAYMOND.
  PRIAM.

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

LAT...LON 4491 9525 4490 9516 4515 9505 4529 9523

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 24, 7:12 PM CDTSevere Thunderstorm WarningMPXKandiyohi63 min
Aug 25, 3:01 PM CDTSevere Thunderstorm WarningMPXYellow Medicine59 min
Aug 25, 3:32 PM CDTSevere Thunderstorm WarningMPXChippewa, Renville58 min
Aug 25, 4:25 PM CDTSevere Thunderstorm WarningMPXKandiyohi, Stevens65 min
Aug 25, 4:56 PM CDTSevere Thunderstorm WarningMPXMcLeod64 min
Aug 25, 4:58 PM CDTTornado WarningMPXKandiyohi32 min
Aug 25, 6:24 PM CDTSevere Thunderstorm WarningMPXPope36 min

Nearby

Tornado Warnings in Minnesota, 2004Every tornado warning in 2004Tornadoes in 2004

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.