Alert archive / North Dakota / Flash Flood Warnings in 2000

Flash Flood Warning 24, NWS Grand Forks, ND

September 4, 20004 counties in North Dakota

NWS Grand Forks, ND issued this flash flood warning at Sep 4, 2000, 1:48 PM CDT for 4 counties in North Dakota. It was in force for 4 hr. No storm report in the archive falls 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.

The facts

Issued: Sep 4, 2000, 1:48 PM CDT (18:48 UTC)
Expired: Sep 4, 2000, 6:00 PM CDT
In force: 4 hr
Issued by: NWS Grand Forks, ND
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Benson County, ND, Eddy County, ND, Nelson County, ND, Ramsey County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 125 km from the middle of the area, began a volume at 18:49 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 nearest sounding before it

Bismarck Municip, ND (KBIS), launched 12:00Z, 6.8 hours before the alert went out and 193 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 13 J/kg
Mixed-layer CIN: -565 J/kg
Mixed-layer LCL: 750 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 101 m²/s²
0-3 km storm-relative helicity: 212 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.

000 
WGUS53 KFGF 041849
FFWFGF
NDC005-027-063-071-042300-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE EASTERN ND-GRAND FORKS
148 PM CDT MON SEP 4 2000

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHEASTERN BENSON COUNTY IN NORTHEAST NORTH DAKOTA
  EXTREME NORTHEASTERN EDDY COUNTY IN NORTHEAST NORTH DAKOTA
  WEST CENTRAL NELSON COUNTY IN NORTHEAST NORTH DAKOTA
  SOUTHWESTERN RAMSEY COUNTY IN NORTHEAST NORTH DAKOTA
  THIS INCLUDES THE CITIES OF DEVILS LAKE...TOKIO...FORT
  TOTTEN AND TOLNA

* UNTIL 600 PM CDT

* AT 137 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS WITH HEAVY RAIN CONTINUE TO MOVE SLOWLY ACROSS THE
  FORT TOTTEN RESERVATION AND TOKIO AREAS WITH REDEVELOPMENT JUST
  SOUTHWEST OF THOSE AREAS. ALSO STRONG VERY SLOW MOVING STORMS WERE
  DEVELOPING SOUTHWEST OF THE TOLNA AND STUMP LAKE AREAS.

* FORT TOTTEN...CAMP GRAFTON...DEVILS LAKE...STUMP LAKE...AND TOLNA
  WILL BE AFFECTED BY THE HEAVY RAIN. RAINFALL AMOUNTS OF 3 TO 4
  INCHES HAVE BEEN INDICATED BY DOPPLER RADAR FROM NEAR FORT TOTTEN
  TO NEAR TOKIO SINCE 1130 AM. FLOODING IS EXPECTED IN THE FORT
  TOTTEN...SAINT MICHAEL...TOKIO...HORSESHOE LAKE...FREE PEOPLES
  LAKE AND BLACK TIGER BAY AREAS.

MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT DRIVE YOUR
VEHICLE INTO WATER OF UNKNOWN DEPTH. ONE OR TWO
 FEET OF WATER WILL
FLOAT MOST CARS DOWNSTREAM.

LAT...LON 4800 9922 4777 9844 4794 9837 4818 9902
$$
EWENS
NNNN

Nearby

Flash Flood Warnings in North Dakota, 2000 Every flash flood 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.