Alert archive / North Dakota / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 21, NWS Bismarck, ND

May 29, 2004Williams County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at May 29, 2004, 4:40 AM CDT for Williams County, North Dakota. It was in force for 35 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
May 29, 2004, 4:40 AM CDT (09:40 UTC)
Expired
May 29, 2004, 5:15 AM CDT
In force
35 min
Issued by
NWS Bismarck, ND
Area
Counties, with a storm outline in the text

County Williams County, ND

The nearest sounding before it

Glasgow Intl Airport, MT (KGGW), launched 00:00Z, 9.7 hours before the alert went out and 252 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, Glasgow Intl Airport, MT at 00:00Z on 2004-05-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 197 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, Glasgow Intl Airport, MT at 00:00Z on 2004-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 39 square meters per square second.1939587897Sfc1 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
197 J/kg
Mixed-layer CIN
-24 J/kg
Mixed-layer LCL
1889 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
39 m²/s²
0-3 km storm-relative helicity
128 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.

867 
WUUS53 KBIS 290940
SVRISN
NDC105-291015-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE WILLISTON ND
ISSUED BY BISMARCK ND
435 AM CDT SAT MAY 29 2004

THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EAST CENTRAL WILLIAMS COUNTY IN NORTHWEST NORTH DAKOTA

* UNTIL 515 AM CDT

* AT 435 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM NEAR RAY...OR ABOUT 23 MILES NORTHEAST OF
  WILLISTON...MOVING NORTH AT 15 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  RURAL EASTERN WILLIAMS COUNTY AT 450 AM CDT
  RURAL NORTHEASTERN WILLIAMS COUNTY AT 510 AM CDT

LAT...LON 4831 10338 4824 10312 4856 10290 4859 10326

$$
RSL

The office that day

Everything else NWS Bismarck, ND issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 28, 8:41 PM CDTSevere Thunderstorm WarningBISGolden Valley64 min
May 28, 10:11 PM CDTSevere Thunderstorm WarningBISBillings59 min
May 29, 12:33 AM CDTFlash Flood WarningBISMcKenzie3 hr
May 29, 4:35 AM CDTSevere Thunderstorm WarningBISWilliams40 min
May 29, 5:22 AM CDTSevere Thunderstorm WarningBISDivide, Williams38 min
May 29, 4:23 PM CDTSevere Thunderstorm WarningBISDickey52 min
May 29, 4:35 PM CDTSevere Thunderstorm WarningBISMcIntosh55 min
May 29, 5:05 PM CDTTornado WarningBISMcIntosh25 min
May 29, 5:26 PM CDTSevere Thunderstorm WarningBISBurleigh64 min
May 29, 5:34 PM CDTSevere Thunderstorm WarningBISMcIntosh56 min
May 29, 6:19 PM CDTSevere Thunderstorm WarningBISDickey56 min

Nearby

Severe Thunderstorm Warnings in North Dakota, 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.