Alert archive / North Dakota / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 49, NWS Grand Forks, ND

June 12, 2000Walsh County, North Dakota

NWS Grand Forks, ND issued this severe thunderstorm warning at Jun 12, 2000, 5:43 PM CDT for Walsh County, North Dakota. It was in force for 32 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued: Jun 12, 2000, 5:43 PM CDT (22:43 UTC)
Expired: Jun 12, 2000, 6:15 PM CDT
In force: 32 min
Issued by: NWS Grand Forks, ND
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Walsh County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 97 km from the middle of the area, began a volume at 22:46 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.

Issued	Product	Office	Lasted
Jun 12, 4:15 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

International Fa, MN (KINL), launched 12:00Z, 10.7 hours before the alert went out and 305 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: 997 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 326 m²/s²
0-3 km storm-relative helicity: 376 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.

901 
WUUS53 KFGF 122244
SVRFAR
NDC099-122315-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE EASTERN ND-GRAND FORKS
543 PM CDT MON JUN 12 2000

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN WALSH COUNTY IN NORTHEAST NORTH DAKOTA

* UNTIL 615 PM CDT

* AT 541 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 3 MILES SOUTHWEST OF GRAFTON...MOVING NORTHEAST
  AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  OAKWOOD AT 600 PM CDT

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

LAT...LON 4839 9762 4826 9743 4843 9716 4853 9731

NNNN

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 11, 8:08 PM CDT	Tornado Warning	FGF	Benson, Towner	32 min
Jun 12, 3:46 PM CDT	Severe Thunderstorm Warning	FGF	Walsh	29 min
Jun 12, 4:06 PM CDT	Severe Thunderstorm Warning	FGF	Pembina	29 min
Jun 12, 4:13 PM CDT	Severe Thunderstorm Warning	FGF	Walsh	32 min
Jun 12, 4:31 PM CDT	Severe Thunderstorm Warning	FGF	Griggs, Nelson	29 min
Jun 12, 4:44 PM CDT	Severe Thunderstorm Warning	FGF	Pembina, Walsh	31 min
Jun 12, 4:53 PM CDT	Severe Thunderstorm Warning	FGF	Grand Forks, Nelson	32 min
Jun 12, 5:12 PM CDT	Tornado Warning	FGF	Walsh	33 min
Jun 12, 5:24 PM CDT	Severe Thunderstorm Warning	FGF	Grand Forks, Nelson	31 min
Jun 12, 5:52 PM CDT	Severe Thunderstorm Warning	FGF	Grand Forks, Nelson	33 min
Jun 12, 6:24 PM CDT	Tornado Warning	FGF	Grand Forks	31 min
Jun 12, 6:25 PM CDT	Severe Thunderstorm Warning	FGF	Nelson	30 min
Jun 12, 6:52 PM CDT	Tornado Warning	FGF	Grand Forks	33 min
Jun 12, 6:54 PM CDT	Severe Thunderstorm Warning	FGF	Griggs, Nelson	31 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.