Alert archive / North Dakota / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 47, NWS Grand Forks, ND

June 9, 2002Griggs County, Steele County, North Dakota

NWS Grand Forks, ND issued this severe thunderstorm warning at Jun 9, 2002, 2:00 AM CDT for Griggs County, Steele County, North Dakota. It was in force for 45 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jun 9, 2002, 2:00 AM CDT (07:00 UTC)
Expired
Jun 9, 2002, 2:45 AM CDT
In force
45 min
Issued by
NWS Grand Forks, ND
Area
Counties, with a storm outline in the text

Counties Griggs County, ND, Steele County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 52 km from the middle of the area, began a volume at 07:03 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 9, 2:10 AM CDTHail 0.75Cooperstown, 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 9, 2:00 AM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 7.0 hours before the alert went out and 220 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 2002-06-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 51 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, Bismarck Municip, ND at 00:00Z on 2002-06-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 209 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
51 J/kg
Mixed-layer CIN
-266 J/kg
Mixed-layer LCL
1631 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
209 m²/s²
0-3 km storm-relative helicity
490 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KFGF 090700
SVRFAR
NDC039-091-090745-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
159 AM CDT SUN JUN 9 2002

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...

  EASTERN GRIGGS COUNTY IN SOUTHEAST NORTH DAKOTA AND
  WESTERN STEELE COUNTY IN SOUTHEAST NORTH DAKOTA.

* UNTIL 245 AM CDT.

* AT 153 AM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 3 MILES SOUTHEAST OF JESSIE...OR ABOUT 41 MILES
  NORTH OF VALLEY CITY...MOVEMENT WAS TO THE EAST AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...

  5 MILES NORTH OF COOPERSTOWN AT 210 AM...
  SHARON AT 220 AM...
  FINLEY AT 225 AM...
  SHERBROOKE AT 235 AM AND
  GOLDEN LAKE AT 240 AM.

REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
TORNADOES WITH LITTLE OR NO ADVANCE WARNING.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 200 AM SUNDAY
MORNING FOR NORTHEAST NORTH DAKOTA. A SEVERE THUNDERSTORM WATCH ALSO
REMAINS IN EFFECT UNTIL 700 AM SUNDAY MORNING FOR EASTERN NORTH
DAKOTA.

LAT...LON 4758 9829 4741 9825 4746 9760 4768 9765


06

NNNN

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 8, 10:24 PM CDTSevere Thunderstorm WarningFGFGrand Forks36 min
Jun 8, 10:59 PM CDTSevere Thunderstorm WarningFGFCass, Traill46 min
Jun 8, 11:40 PM CDTSevere Thunderstorm WarningFGFEddy35 min
Jun 8, 11:58 PM CDTSevere Thunderstorm WarningFGFBenson, Ramsey47 min
Jun 9, 12:30 AM CDTSevere Thunderstorm WarningFGFNelson45 min
Jun 9, 12:37 AM CDTSevere Thunderstorm WarningFGFGrand Forks38 min
Jun 9, 1:10 AM CDTFlash Flood WarningFGFEddy6 hr
Jun 9, 1:18 AM CDTSevere Thunderstorm WarningFGFGriggs42 min
Jun 9, 1:45 AM CDTSevere Thunderstorm WarningFGFBenson, Ramsey45 min
Jun 9, 2:06 AM CDTFlash Flood WarningFGFGrand Forks6 hr
Jun 9, 3:34 AM CDTFlash Flood WarningFGFBenson, Nelson, Ramsey6 hr
Jun 9, 6:47 AM CDTSevere Thunderstorm WarningFGFBarnes, Cass, Ransom58 min
Jun 9, 7:15 AM CDTFlash Flood WarningFGFBarnes, Cass4 hr
Jun 9, 7:17 AM CDTFlash Flood WarningFGFBarnes, Cass4 hr
Jun 9, 9:42 AM CDTSevere Thunderstorm WarningFGFCass48 min
Jun 9, 11:33 AM CDTFlash Flood WarningFGFGrand Forks6 hr

Nearby

Severe Thunderstorm Warnings in North Dakota, 2002Every 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.