Alert archive / North Dakota / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 101, NWS Bismarck, ND

July 24, 2002Dunn County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Jul 24, 2002, 7:10 PM MDT for Dunn County, North Dakota. It was in force for 50 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 24, 2002, 7:10 PM MDT (01:10 UTC)
Expired: Jul 24, 2002, 8:00 PM MDT
In force: 50 min
Issued by: NWS Bismarck, ND
Area: Counties, with a storm outline in the text

County Dunn County, ND

The radar

The Bismarck radar (KBIS), 137 km from the middle of the area, began a volume at 01:12 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

Bismarck Municip, ND (KBIS), launched 00:00Z, 1.2 hours before the alert went out and 141 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1695 J/kg
Mixed-layer CIN: -70 J/kg
Mixed-layer LCL: 1547 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: -14 m²/s²
0-3 km storm-relative helicity: 64 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.7

Open this sounding in Storm Lab

The text

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

214 
WUUS53 KBIS 250110
SVRBIS
NDC025-250200-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
710 PM MDT WED JUL 24 2002

THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN DUNN COUNTY IN SOUTHWEST NORTH DAKOTA

* UNTIL 800 PM MDT

* AT 710 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 12 MILES SOUTHWEST OF MARSHALL...OR ABOUT 15
  MILES NORTHEAST OF DICKINSON...MOVING EAST AT 45 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  MARSHALL AT 715 PM MDT
  HALLIDAY AT 720 PM MDT

IF SEVERE WEATHER APPROACHES YOUR AREA...GO INSIDE A STURDY SHELTER
AWAY FROM CREEK BEDS AND OTHER FLOOD-PRONE AREAS. REMEMBER...A SEVERE
THUNDERSTORM CAN PRODUCE LARGE DAMAGING HAIL...DAMAGING WINDS IN
EXCESS OF 55 MPH...DEADLY LIGHTNING...AND VERY HEAVY RAIN.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT MDT
THURSDAY MORNING FOR SOUTHWESTERN NORTH DAKOTA.

LAT...LON 4737 10258 4700 10255 4705 10220 4735 10225

RSL

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 24, 6:09 PM MDT	Severe Thunderstorm Warning	BIS	Dunn	66 min
Jul 24, 6:51 PM MDT	Severe Thunderstorm Warning	BIS	Stark	54 min
Jul 24, 6:57 PM MDT	Tornado Warning	BIS	Stark	33 min
Jul 24, 6:58 PM MDT	Tornado Warning	BIS	Stark	32 min
Jul 24, 7:28 PM MDT	Severe Thunderstorm Warning	BIS	McLean, Mercer, Oliver	62 min
Jul 24, 7:40 PM MDT	Severe Thunderstorm Warning	BIS	Morton	65 min
Jul 24, 7:42 PM MDT	Severe Thunderstorm Warning	BIS	Grant, Hettinger	63 min
Jul 24, 8:22 PM MDT	Severe Thunderstorm Warning	BIS	Burleigh, Morton	53 min
Jul 24, 8:44 PM MDT	Severe Thunderstorm Warning	BIS	Burleigh, Morton	31 min
Jul 24, 8:58 PM MDT	Severe Thunderstorm Warning	BIS	Emmons, Sioux	47 min
Jul 24, 9:40 PM MDT	Severe Thunderstorm Warning	BIS	Logan, McIntosh	50 min

Nearby

Severe Thunderstorm Warnings in North Dakota, 2002 Every severe thunderstorm warning in 2002

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.