Alert archive / North Dakota / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 78, NWS Grand Forks, ND

June 28, 2000Cavalier County, North Dakota

NWS Grand Forks, ND issued this severe thunderstorm warning at Jun 28, 2000, 2:30 PM CDT for Cavalier County, North Dakota. It was in force for 35 min. 1 report 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 28, 2000, 2:30 PM CDT (19:30 UTC)
Expired: Jun 28, 2000, 3:05 PM CDT
In force: 35 min
Issued by: NWS Grand Forks, ND
Area: Whole counties

County Cavalier County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 162 km from the middle of the area, began a volume at 19:32 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

Time	Report	Where	Remark
Jun 28, 2:53 PM CDT	Hail 0.75	Hannah, 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, 7.5 hours before the alert went out and 278 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1441 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 63 m²/s²
0-3 km storm-relative helicity: 69 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.

878 
WUUS53 KFGF 281934
SVRFAR
NDC019-282005-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
230 PM CDT WED JUN 28 2000

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CAVALIER COUNTY IN NORTHEASTERN NORTH DAKOTA

* UNTIL 305 PM CDT

* AT 228 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM NEAR HANNAH OR 20 MILES NORTHWEST OF LANGDON
  MOVING SOUTHEAST AT 20 MPH. TOWNS IN THE PATH OF THE STORM INCLUDE
  WALES AND DRESDEN.

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

VOELKER

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 28, 3:16 PM CDT	Severe Thunderstorm Warning	FGF	Cavalier	34 min
Jun 28, 4:03 PM CDT	Severe Thunderstorm Warning	FGF	Walsh	32 min
Jun 28, 4:16 PM CDT	Severe Thunderstorm Warning	FGF	Nelson	34 min
Jun 28, 4:41 PM CDT	Severe Thunderstorm Warning	FGF	Eddy	34 min
Jun 28, 5:00 PM CDT	Severe Thunderstorm Warning	FGF	Nelson	35 min
Jun 28, 6:14 PM CDT	Severe Thunderstorm Warning	FGF	Steele	36 min

Nearby

Severe Thunderstorm Warnings in North Dakota, 2000 Every 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.