Alert archive / North Dakota / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 53, NWS Grand Forks, ND

June 9, 2002Barnes County, Cass County, Ransom County, North Dakota

NWS Grand Forks, ND issued this severe thunderstorm warning at Jun 9, 2002, 6:47 AM CDT for Barnes County, Cass County, Ransom County, North Dakota. It was in force for 58 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
Jun 9, 2002, 6:47 AM CDT (11:47 UTC)
Expired
Jun 9, 2002, 7:45 AM CDT
In force
58 min
Issued by
NWS Grand Forks, ND
Area
Counties, with a storm outline in the text

Counties Barnes County, ND, Cass County, ND, Ransom County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 94 km from the middle of the area, began a volume at 11:46 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
Jun 9, 2:00 AM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 11.8 hours before the alert went out and 210 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, Aberdeen, SD at 00:00Z on 2002-06-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1309 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, Aberdeen, SD at 00:00Z on 2002-06-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 165 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
1309 J/kg
Mixed-layer CIN
-90 J/kg
Mixed-layer LCL
1412 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
165 m²/s²
0-3 km storm-relative helicity
554 m²/s²
Significant tornado parameter
1.7
Supercell composite
7.1

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KFGF 091147
SVRFAR
NDC003-017-073-091245-

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

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...

  BARNES COUNTY IN SOUTHEAST NORTH DAKOTA...   CASS COUNTY IN 
SOUTHEAST NORTH DAKOTA AND  RANSOM COUNTY IN SOUTHEAST NORTH DAKOTA.

* UNTIL 745 AM CDT.

* AT 641 AM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 7 MILES SOUTH OF NOME...OR ABOUT 25 MILES SOUTH
  OF VALLEY CITY...MOVEMENT WAS TO THE NORTHEAST AT 50 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...

  ENDERLIN AT 650 AM...
  SHELDON AT 655 AM...
  ALICE AT 700 AM AND
  EMBDEN AT 705 AM.

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

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

LAT...LON 4664 9791 4650 9776 4672 9707 4704 9740


8

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, 2:00 AM CDTSevere Thunderstorm WarningFGFGriggs, Steele45 min
Jun 9, 2:06 AM CDTFlash Flood WarningFGFGrand Forks6 hr
Jun 9, 3:34 AM CDTFlash Flood WarningFGFBenson, Nelson, Ramsey6 hr
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.