Alert archive / North Dakota / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 91, NWS Grand Forks, ND

June 29, 2000Steele County, North Dakota

NWS Grand Forks, ND issued this severe thunderstorm warning at Jun 29, 2000, 10:24 PM CDT for Steele County, North Dakota. It was in force for 36 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jun 29, 2000, 10:24 PM CDT (03:24 UTC)
Expired
Jun 29, 2000, 11:00 PM CDT
In force
36 min
Issued by
NWS Grand Forks, ND
Area
Whole counties

County Steele County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 31 km from the middle of the area, began a volume at 03:26 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.

What was reported inside it

TimeReportWhereRemark
Jun 29, 10:25 PM CDTHail 1Finley, ND
Jun 29, 10:46 PM CDTHail 0.88Hope, ND

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 3.4 hours before the alert went out and 238 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, Bismarck Municip, ND at 00:00Z on 2000-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 211 joules per kilogram.LCLEL10008507005003002001001 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, Bismarck Municip, ND at 00:00Z on 2000-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 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
211 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
2594 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
59 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.

448 
WUUS53 KFGF 300324
SVRFAR
NDC091-300400-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
1024 PM CDT THU JUN 29 2000

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN STEELE COUNTY IN SOUTHEASTERN NORTH DAKOTA

* UNTIL 1100 PM CDT

* AT 1023 PM CDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A SEVERE THUNDERSTORM 38 MILES NORTHEAST OF VALLEY CITY OR 8 MILES
  NORTH OF HOPE... MOVING EAST AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL REMAIN IN RURAL AREAS
  SOUTHEAST OF SHERBROOKE.

DAMAGING WIND...LARGE HAIL...DEADLY LIGHTNING AND TORNADOES ARE ALL
POSSIBLE IN SEVERE THUNDERSTORMS. SEEK SHELTER IN A REINFORCED
BUILDING IMMEDIATELY.

BRAZZELL



N

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 29, 8:20 PM CDTSevere Thunderstorm WarningFGFBenson35 min
Jun 29, 8:44 PM CDTSevere Thunderstorm WarningFGFEddy31 min
Jun 29, 9:16 PM CDTSevere Thunderstorm WarningFGFEddy34 min
Jun 29, 9:33 PM CDTSevere Thunderstorm WarningFGFGriggs32 min
Jun 29, 9:53 PM CDTSevere Thunderstorm WarningFGFSteele32 min
Jun 29, 11:38 PM CDTSevere Thunderstorm WarningFGFBenson32 min
Jun 29, 11:47 PM CDTSevere Thunderstorm WarningFGFEddy33 min
Jun 30, 12:19 AM CDTSevere Thunderstorm WarningFGFEddy36 min
Jun 30, 12:45 AM CDTSevere Thunderstorm WarningFGFNelson35 min
Jun 30, 2:17 AM CDTSevere Thunderstorm WarningFGFNelson33 min

Nearby

Severe Thunderstorm Warnings in North Dakota, 2000Every severe thunderstorm warning in 2000

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.