Alert archive / North Dakota / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 10, NWS Grand Forks, ND

May 5, 2000Griggs County, Steele County, North Dakota

NWS Grand Forks, ND issued this severe thunderstorm warning at May 5, 2000, 10:52 PM CDT for Griggs County, Steele County, North Dakota. It was in force for 33 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
May 5, 2000, 10:52 PM CDT (03:52 UTC)
Expired
May 5, 2000, 11:25 PM CDT
In force
33 min
Issued by
NWS Grand Forks, ND
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Griggs County, ND, Steele County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 52 km from the middle of the area, began a volume at 03:54 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
May 5, 11:00 PM CDTHail 1Finley, 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
May 5, 9:15 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 3.9 hours before the alert went out and 223 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°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 2000-05-06The 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 060353
SVRFAR
NDC039-091-060425-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE EASTERN ND-GRAND FORKS
1052 PM CDT FRI MAY 5 2000

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

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

* UNTIL 1125 PM CDT

* AT 1049 PM CDT...NATIONAL WEATHER SEVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 7 MILES WEST OF SHARON...OR ABOUT 45 MILES
  NORTH OF VALLEY CITY...MOVING EAST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR 
  SHARON AT 1110 PM CDT
  

DURING THUNDERSTORMS YOU SHOUL%D MOVE INSIDE A STRONG BUILDING. DO NOT
STAND BY WINDOWS. DO NOT USE TELEPHONES OR ELECTRICAL APPLIANCES.

LAT...LON 4767 9822 4746 9813 4752 9775 4768 9773

NNNN

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Grand Forks, ND wrote its last area forecast discussion before this severe thunderstorm warning went out at May 5, 8:55 PM CDT, 1 hour 57 minutes earlier.

Area forecast discussion, May 5, 8:55 PM CDT, 1 hour 57 minutes before
FORECAST DISCUSSION FOR EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
855 PM CDT FRI MAY 5 2000

SEVERE THUNDERSTORMS CONTINUE TO FIRE OVER NW MN THIS EVENING...WITH
SVR THUNDERSTORM WATCH JUST ARRIVING. MOST ACTIVITY CONFINED ALONG
AND NORTH OF SFC BOUNDARY ATTM WHERE BEST MOISTURE CONVERGENCE
LOCATED. WITH MAIN UPPER LEVEL SYSTEM STILL WELL OFF TO THE
SOUTHEAST AND WITH SFC LOW STILL HOLDING OVER ERN WY...LOOK LIKE IT
WILL BE A BUSY NIGHT.

WILL NOT MAKE ANY ADJUSTMENTS TO ZONES OTHER THAN ADDING IN WATCH
WHICH WILL BE ISSUED SHORTLY.

RJT

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, 10:10 PM CDTSevere Thunderstorm WarningFGFGriggs40 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.