Alert archive / Minnesota / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 216, NWS Twin Cities, MN

August 2, 2004Douglas County, Todd County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 2, 2004, 3:56 AM CDT for Douglas County, Todd County, Minnesota. It was in force for 79 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 2, 2004, 3:56 AM CDT (08:56 UTC)
Expired
Aug 2, 2004, 5:15 AM CDT
In force
79 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 Fargo/Grand Forks radar (KMVX), 196 km from the middle of the area, began a volume at 08:56 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
Aug 2, 3:00 AM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 8.9 hours before the alert went out and 218 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 2004-08-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2637 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 00:00Z on 2004-08-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 31 square meters per square second.1939Sfc1 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
2637 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
947 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
31 m²/s²
0-3 km storm-relative helicity
105 m²/s²
Significant tornado parameter
0.3
Supercell composite
1.8

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KMPX 020856
SVRMPX
MNC041-153-021015-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
356 AM CDT MON AUG 2 2004

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 515 AM CDT

* AT 355 AM CDT...DOPPLER RADAR INDICATED A LINE OF SEVERE
  THUNDERSTORMS...CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING WINDS.
  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 43 MILES     
  NORTHWEST OF STAPLES TO 45 MILES WEST OF STAPLES ...OR ALONG A     
  LINE EXTENDING FROM 17 MILES SOUTHEAST OF DETROIT LAKES TO 18      
  MILES NORTHEAST OF FERGUS FALLS...AND MOVING EAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  STAPLES.
  BERTHA.
  HEWITT.
  CARLOS.
  MILLERVILLE. 


LAT...LON 4671 9571 4643 9587 4628 9601 4609 9631
      4593 9513 4611 9483 4626 9468 4654 9452

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 2, 4:55 AM CDTSevere Thunderstorm WarningMPXBenton, Douglas, Mille Lacs, Morrison, Stearns, Todd80 min
Aug 2, 6:36 AM CDTSevere Thunderstorm WarningMPXDouglas54 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2004Every severe thunderstorm warning 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.