Alert archive / North Dakota / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 41, NWS Grand Forks, ND

June 12, 2000Walsh County, North Dakota

NWS Grand Forks, ND issued this severe thunderstorm warning at Jun 12, 2000, 3:46 PM CDT for Walsh County, North Dakota. It was in force for 29 min. 2 reports came from 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, with what was reported inside it.

The facts

Issued
Jun 12, 2000, 3:46 PM CDT (20:46 UTC)
Expired
Jun 12, 2000, 4:15 PM CDT
In force
29 min
Issued by
NWS Grand Forks, ND
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Walsh County, ND

What was reported inside it

TimeReportWhereRemark
Jun 12, 3:59 PM CDTHail 0.88Grafton, ND
Jun 12, 4:20 PM CDTHail 0.75Grafton, 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, 8.8 hours before the alert went out and 304 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 12:00Z on 2000-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 80 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 12:00Z on 2000-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 60 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
80 J/kg
Mixed-layer CIN
-312 J/kg
Mixed-layer LCL
1408 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
60 m²/s²
0-3 km storm-relative helicity
99 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.

504 
WUUS53 KFGF 122046
SVRFAR
NDC099-122115-

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

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

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

* UNTIL 415 PM CDT

* AT 340 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 5 MILES SOUTHWEST OF GRAFTON...MOVING NORTHEAST
  AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  GRAFTON AT 350 PM CDT
  OAKWOOD AT 355 PM CDT
  HERRICK AT 410 PM CDT

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

LAT...LON 4839 9765 4828 9743 4853 9718 4853 9747

NNNN

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 11, 8:08 PM CDTTornado WarningFGFBenson, Towner32 min
Jun 12, 4:06 PM CDTSevere Thunderstorm WarningFGFPembina29 min
Jun 12, 4:13 PM CDTSevere Thunderstorm WarningFGFWalsh32 min
Jun 12, 4:31 PM CDTSevere Thunderstorm WarningFGFGriggs, Nelson29 min
Jun 12, 4:44 PM CDTSevere Thunderstorm WarningFGFPembina, Walsh31 min
Jun 12, 4:53 PM CDTSevere Thunderstorm WarningFGFGrand Forks, Nelson32 min
Jun 12, 5:12 PM CDTTornado WarningFGFWalsh33 min
Jun 12, 5:24 PM CDTSevere Thunderstorm WarningFGFGrand Forks, Nelson31 min
Jun 12, 5:43 PM CDTSevere Thunderstorm WarningFGFWalsh32 min
Jun 12, 5:52 PM CDTSevere Thunderstorm WarningFGFGrand Forks, Nelson33 min
Jun 12, 6:24 PM CDTTornado WarningFGFGrand Forks31 min
Jun 12, 6:25 PM CDTSevere Thunderstorm WarningFGFNelson30 min
Jun 12, 6:52 PM CDTTornado WarningFGFGrand Forks33 min
Jun 12, 6:54 PM CDTSevere Thunderstorm WarningFGFGriggs, Nelson31 min

Nearby

Severe Thunderstorm Warnings in North Dakota, 2000Every 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.