Alert archive / North Dakota / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 64, NWS Grand Forks, ND

June 12, 2000Grand Forks County, North Dakota

NWS Grand Forks, ND issued this severe thunderstorm warning at Jun 12, 2000, 10:37 PM CDT for Grand Forks County, North Dakota. It was in force for 28 min. 1 report 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, 10:37 PM CDT (03:37 UTC)
Expired
Jun 12, 2000, 11:05 PM CDT
In force
28 min
Issued by
NWS Grand Forks, ND
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Grand Forks County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 59 km from the middle of the area, began a volume at 03:38 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

TimeReportWhereRemark
Jun 12, 10:45 PM CDTHail 0.75Mc Canna, 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 12, 10:00 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 3.6 hours before the alert went out and 267 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 00:00Z on 2000-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1445 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 00:00Z on 2000-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 61 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
1445 J/kg
Mixed-layer CIN
-53 J/kg
Mixed-layer LCL
1745 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
61 m²/s²
0-3 km storm-relative helicity
93 m²/s²
Significant tornado parameter
0.1
Supercell composite
3.6

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KFGF 130339
SVRFAR
NDC035-130405-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE EASTERN ND-GRAND FORKS
1037 PM CDT MON JUN 12 2000

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  GRAND FORKS COUNTY IN NORTHEAST NORTH DAKOTA

* UNTIL 1105 PM CDT

* AT 1033 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 5 MILES SOUTH OF MCCANNA...OR ABOUT 31 MILES
  WEST OF GRAND FORKS...MOVING NORTHEAST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  MCCANNA AT 1040 PM CDT
  LARIMORE AT 1045 PM CDT
  HONEYFORD AT 1105 PM CDT

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

LAT...LON 4796 9791 4783 9772 4807 9731 4820 9745

NNNN

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 12, 7:23 PM CDTTornado WarningFGFGrand Forks32 min
Jun 12, 7:25 PM CDTSevere Thunderstorm WarningFGFNelson30 min
Jun 12, 7:53 PM CDTSevere Thunderstorm WarningFGFNelson47 min
Jun 12, 7:55 PM CDTTornado WarningFGFGrand Forks30 min
Jun 12, 8:12 PM CDTSevere Thunderstorm WarningFGFGrand Forks33 min
Jun 12, 8:25 PM CDTSevere Thunderstorm WarningFGFEddy30 min
Jun 12, 8:39 PM CDTSevere Thunderstorm WarningFGFNelson46 min
Jun 12, 8:43 PM CDTSevere Thunderstorm WarningFGFGrand Forks47 min
Jun 12, 8:54 PM CDTSevere Thunderstorm WarningFGFEddy31 min
Jun 12, 9:18 PM CDTTornado WarningFGFGrand Forks32 min
Jun 12, 9:23 PM CDTSevere Thunderstorm WarningFGFNelson32 min
Jun 12, 9:54 PM CDTSevere Thunderstorm WarningFGFGrand Forks46 min
Jun 12, 9:59 PM CDTSevere Thunderstorm WarningFGFEddy, Nelson31 min
Jun 12, 10:40 PM CDTSevere Thunderstorm WarningFGFNelson30 min
Jun 12, 10:43 PM CDTFlash Flood WarningFGFGrand Forks, Nelson2 hr
Jun 12, 11:06 PM CDTSevere Thunderstorm WarningFGFGrand Forks44 min
Jun 12, 11:48 PM CDTSevere Thunderstorm WarningFGFGrand Forks42 min
Jun 13, 12:01 AM CDTSevere Thunderstorm WarningFGFNelson44 min
Jun 13, 12:18 AM CDTSevere Thunderstorm WarningFGFGriggs32 min
Jun 13, 12:40 AM CDTFlash Flood WarningFGFEddy, Grand Forks, Nelson6 hr
Jun 13, 12:44 AM CDTSevere Thunderstorm WarningFGFGrand Forks, Steele46 min
Jun 13, 2:17 AM CDTSevere Thunderstorm WarningFGFBarnes, Cass43 min
Jun 13, 3:19 AM CDTSevere Thunderstorm WarningFGFGrand Forks46 min
Jun 13, 6:46 PM CDTSevere Thunderstorm WarningFGFGriggs29 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; radar from the NEXRAD Level II archive.