Alert archive / North Dakota / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 9, NWS Grand Forks, ND

May 5, 2000Griggs County, North Dakota

NWS Grand Forks, ND issued this severe thunderstorm warning at May 5, 2000, 10:10 PM CDT for Griggs County, North Dakota. It was in force for 40 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 5, 2000, 10:10 PM CDT (03:10 UTC)
Expired
May 5, 2000, 10:50 PM CDT
In force
40 min
Issued by
NWS Grand Forks, ND
Area
Whole counties

County Griggs County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 69 km from the middle of the area, began a volume at 03:14 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.

IssuedProductOfficeLasted
May 5, 9:15 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 3.2 hours before the alert went out and 201 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 2000-05-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1703 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Bismarck Municip, ND at 00:00Z on 2000-05-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 26 square meters per square second.19395878Sfc1 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
1703 J/kg
Mixed-layer CIN
-86 J/kg
Mixed-layer LCL
1710 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
26 m²/s²
0-3 km storm-relative helicity
184 m²/s²
Significant tornado parameter
0.2
Supercell composite
5.5

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KFGF 060310
SVRFAR
NDC039-060350-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE EASTERN ND-GRAND FORKS
1010 PM CDT FRI MAY 5 2000

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  GRIGGS COUNTY IN SOUTHEAST NORTH DAKOTA

* UNTIL 1050 PM CDT

* AT 1009 PM CDT...NATIONAL WEATHER SEVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 6 MILES NORTHEAST OF SUTTON...OR ABOUT 41 MILES
  NORTHWEST OF VALLEY CITY...MOVING EAST AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  JESSIE AT 1020 PM CDT
  COOPERSTOWN AT 1030 PM CDT

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

BRAZZELL

NNNN

The office that day

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

IssuedProductOfficeCountiesLasted
May 5, 9:13 PM CDTSevere Thunderstorm WarningFGFGriggs, Nelson42 min
May 5, 9:53 PM CDTSevere Thunderstorm WarningFGFGriggs, Nelson, Steele42 min
May 5, 9:53 PM CDTSevere Thunderstorm WarningFGFGrand Forks42 min
May 5, 10:52 PM CDTSevere Thunderstorm WarningFGFGriggs, Steele33 min
May 6, 1:40 AM CDTSevere Thunderstorm WarningFGFBenson, Eddy30 min
May 6, 1:40 AM CDTSevere Thunderstorm WarningFGFRamsey30 min
May 6, 2:11 AM CDTSevere Thunderstorm WarningFGFBenson, Cavalier, Ramsey29 min
May 6, 2:40 AM CDTSevere Thunderstorm WarningFGFCavalier, Pembina45 min
May 6, 2:42 AM CDTSevere Thunderstorm WarningFGFRamsey28 min
May 6, 2:53 AM CDTSevere Thunderstorm WarningFGFNelson, Walsh32 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.