Alert archive / North Dakota / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 84, NWS Grand Forks, ND

June 22, 2002Walsh County, North Dakota

NWS Grand Forks, ND issued this severe thunderstorm warning at Jun 22, 2002, 9:11 AM CDT for Walsh County, North Dakota. It was in force for 49 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 22, 2002, 9:11 AM CDT (14:11 UTC)
Expired: Jun 22, 2002, 10:00 AM CDT
In force: 49 min
Issued by: NWS Grand Forks, ND
Area: Counties, with a storm outline in the text

County Walsh County, ND

What was reported inside it

Time	Report	Where	Remark
Jun 22, 9:30 AM CDT	Hail 0.75	Pisek, 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 12:00Z, 2.2 hours before the alert went out and 291 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: 1721 J/kg
Mixed-layer CIN: -377 J/kg
Mixed-layer LCL: 1049 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 273 m²/s²
0-3 km storm-relative helicity: 275 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.

000 
WUUS53 KFGF 221411
SVRFAR
NDC099-221500-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
911 AM CDT SAT JUN 22 2002

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...

  EASTERN WALSH COUNTY IN NORTHEAST NORTH DAKOTA.

* UNTIL 1000 AM CDT.

* AT 908 AM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER PISEK...OR ABOUT 17 MILES SOUTHWEST OF
  GRAFTON...MOVEMENT WAS TO THE NORTHEAST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...

  VESELEYVILLE AT 925 AM...
  NASH AT 945 AM...
  GRAFTON AT 950 AM AND
  OAKWOOD AT 955 AM.

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

LAT...LON 4831 9790 4818 9771 4848 9718 4853 9744

7

NNNN

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 22, 5:23 AM CDT	Severe Thunderstorm Warning	FGF	Benson, Ramsey	52 min
Jun 22, 6:12 AM CDT	Severe Thunderstorm Warning	FGF	Benson, Ramsey, Towner	48 min
Jun 22, 6:43 AM CDT	Severe Thunderstorm Warning	FGF	Nelson, Walsh	47 min
Jun 22, 7:16 AM CDT	Flash Flood Warning	FGF	Benson, Cavalier, Ramsey, Towner	8 hr
Jun 22, 7:20 AM CDT	Flash Flood Warning	FGF	Benson, Cavalier, Ramsey, Towner	8 hr
Jun 22, 7:24 AM CDT	Severe Thunderstorm Warning	FGF	Pembina, Walsh	51 min
Jun 22, 7:29 AM CDT	Severe Thunderstorm Warning	FGF	Nelson	31 min
Jun 22, 7:46 AM CDT	Flash Flood Warning	FGF	Pembina, Walsh	8 hr
Jun 22, 8:14 AM CDT	Flash Flood Warning	FGF	Nelson	6 hr
Jun 22, 8:29 AM CDT	Severe Thunderstorm Warning	FGF	Walsh	46 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.