Alert archive / North Dakota / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 252, NWS Grand Forks, ND

September 2, 2000Barnes County, Cass County, North Dakota

NWS Grand Forks, ND issued this severe thunderstorm warning at Sep 2, 2000, 12:43 PM CDT for Barnes County, Cass County, North Dakota. It was in force for 32 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
Sep 2, 2000, 12:43 PM CDT (17:43 UTC)
Expired
Sep 2, 2000, 1:15 PM CDT
In force
32 min
Issued by
NWS Grand Forks, ND
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Barnes County, ND, Cass County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 93 km from the middle of the area, began a volume at 17:43 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
Sep 2, 12:45 PM CDTHail 0.88Lucca, ND
Sep 2, 12:55 PM CDTHail 0.88Alice, 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

Aberdeen, SD (KABR), launched 12:00Z, 5.7 hours before the alert went out and 211 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, Aberdeen, SD at 12:00Z on 2000-09-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLEL10008507005003002001001 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, Aberdeen, SD at 12:00Z on 2000-09-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 77 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
1 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
516 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
77 m²/s²
0-3 km storm-relative helicity
91 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KFGF 021744
SVRFAR
NDC003-017-021815-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE EASTERN ND-GRAND FORKS
1243 PM CDT SAT SEP 2 2000

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN BARNES COUNTY IN SOUTHEAST NORTH DAKOTA...
  SOUTHWESTERN CASS COUNTY IN SOUTHEAST NORTH DAKOTA...

* UNTIL 115 PM CDT

* AT 1237 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 4 MILES SOUTH OF NOME...OR ABOUT 22 MILES SOUTH
  OF VALLEY CITY...MOVEMENT WAS TO THE NORTHEAST AT 40 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  FINGAL AT 1245 PM CDT...
  ALICE AT 1255 PM CDT...
  BUFFALO AT 105 PM CDT...

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

LAT...LON 4665 9798 4665 9761 4676 9750 4698 9759

NNNN

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 2, 11:29 AM CDTSevere Thunderstorm WarningFGFBarnes, Cass31 min
Sep 2, 11:56 AM CDTSevere Thunderstorm WarningFGFCass34 min
Sep 2, 12:21 PM CDTSevere Thunderstorm WarningFGFRansom29 min
Sep 2, 1:40 PM CDTSevere Thunderstorm WarningFGFRansom30 min
Sep 2, 1:45 PM CDTSevere Thunderstorm WarningFGFSargent30 min
Sep 2, 2:18 PM CDTSevere Thunderstorm WarningFGFRansom, Richland32 min
Sep 2, 2:43 PM CDTSevere Thunderstorm WarningFGFCass32 min
Sep 2, 3:28 PM CDTSevere Thunderstorm WarningFGFRansom32 min
Sep 2, 3:33 PM CDTSevere Thunderstorm WarningFGFSargent32 min
Sep 2, 3:58 PM CDTSevere Thunderstorm WarningFGFRansom32 min
Sep 2, 4:32 PM CDTSevere Thunderstorm WarningFGFRansom, Richland28 min
Sep 2, 4:44 PM CDTFlash Flood WarningFGFCass, Ransom, Richland4 hr

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.