Alert archive / North Dakota / Flash Flood Warnings in 2000

Flash Flood Warning 23, NWS Grand Forks, ND

September 2, 2000Clay County, Minnesota; Cass County, Ransom County, Richland County, North Dakota

NWS Grand Forks, ND issued this flash flood warning at Sep 2, 2000, 4:44 PM CDT for Clay County, Minnesota; Cass County, Ransom County, Richland County, 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 2, 2000, 4:44 PM CDT (21:44 UTC)
Expired
Sep 2, 2000, 9:00 PM CDT
In force
4 hr
Issued by
NWS Grand Forks, ND
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Clay County, MN, Cass County, ND, Ransom County, ND, Richland County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 90 km from the middle of the area, began a volume at 21:48 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

Aberdeen, SD (KABR), launched 12:00Z, 9.7 hours before the alert went out and 233 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 
WGUS53 KFGF 022149
FFWFGF
MNC027-NDC017-073-077-030200-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE EASTERN ND-GRAND FORKS
444 PM CDT SAT SEP 2 2000

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CLAY COUNTY IN NORTHWEST MINNESOTA
  SOUTHEASTERN CASS COUNTY IN SOUTHEAST NORTH DAKOTA
  THIS INCLUDES THE CITIES OF FARGO/MOORHEAD
  EASTERN RANSOM COUNTY IN SOUTHEAST NORTH DAKOTA
  NORTHWESTERN RICHLAND COUNTY IN SOUTHEAST NORTH DAKOTA

* UNTIL 900 PM CDT

* AT 442 PM CDT...RADAR REPORTED THUNDERSTORMS WITH HEAVY RAIN
  CONTINUE TO MOVE ALONG A LINE FROM NEAR LISBON THROUGH FARGO ON TO
  NEAR HITTERDAL.

* ANSELM...BARRIE...CHAFFEE...KINDRED...AND FARGO WILL BE AFFECTED
  BY THE HEAVY RAIN. RAINFALL AMOUNTS OF 2 TO 3 INCHES PER HOUR WILL
  BE MOVING ACROSS THE ABOVE MENTIONED AREAS DURING THE EARLY
  EVENING HOURS. RAINFALL TOTALS OF 4 TO 6 INCHES ARE POSSIBLE ON A
  LINE FROM LISBON THROUGH SHELDON...TO FARGO/MOORHEAD ON TO
  THE ULEN/FELTON AREAS THIS EVENING.

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.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN THE DANGERS OF FLASH FLOODING
ARE HARD TO RECOGNIZE.

LAT...LON 4664 9768 4641 9741 4666 9678 4665 9619
          4715 9623 4712 9696

NNNN

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 2, 2:43 PM CDTSevere Thunderstorm WarningFGFClay32 min
Sep 2, 3:15 PM CDTSevere Thunderstorm WarningFGFClay30 min
Sep 2, 4:37 PM CDTSevere Thunderstorm WarningFGFClay28 min
Sep 2, 5:07 PM CDTSevere Thunderstorm WarningFGFBecker28 min
Sep 2, 5:19 PM CDTSevere Thunderstorm WarningFGFMahnomen31 min
Sep 2, 5:36 PM CDTSevere Thunderstorm WarningFGFBecker, Clearwater29 min
Sep 2, 6:11 PM CDTSevere Thunderstorm WarningFGFHubbard29 min
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, 12:43 PM CDTSevere Thunderstorm WarningFGFBarnes, Cass32 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, 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

Nearby

Flash Flood Warnings in North Dakota, 2000Flash Flood Warnings in Minnesota, 2000Every 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.