Alert archive / North Dakota / Flash Flood Warnings in 2000

Flash Flood Warning 12, NWS Grand Forks, ND

June 20, 2000Ransom County, Richland County, North Dakota

NWS Grand Forks, ND issued this flash flood warning at Jun 20, 2000, 1:59 AM CDT for Ransom County, Richland County, North Dakota. It was in force for 2 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
Jun 20, 2000, 1:59 AM CDT (06:59 UTC)
Expired
Jun 20, 2000, 4:00 AM CDT
In force
2 hr
Issued by
NWS Grand Forks, ND
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Ransom County, ND, Richland County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 115 km from the middle of the area, began a volume at 07:02 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 00:00Z, 7.0 hours before the alert went out and 196 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 00:00Z on 2000-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 609 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, Aberdeen, SD at 00:00Z on 2000-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 176 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
609 J/kg
Mixed-layer CIN
-107 J/kg
Mixed-layer LCL
1076 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
176 m²/s²
0-3 km storm-relative helicity
178 m²/s²
Significant tornado parameter
0.2
Supercell composite
3.8

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KFGF 200704
FFWFGF
NDC073-077-200900-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE EASTERN ND-GRAND FORKS
159 AM CDT TUE JUN 20 2000

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN RICHLAND COUNTY IN SOUTHEAST NORTH DAKOTA
  RANSOM COUNTY IN SOUTHEAST NORTH DAKOTA

* UNTIL 4 AM CDT

* AT 157 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS WITH HEAVY RAIN CONTINUE TO MOVE ALONG A LINE
  EXTENDING FROM CHRISTINE TO 8 MILES SOUTHWEST OF GALCHUTT OR ALONG
  A LINE EXTENDING FROM 19 MILES SOUTH OF FARGO TO 13 MILES WEST OF
  WAHPETON...MOVING NORTHEAST AT 45 MPH.

* ENDERLIN...SHELDON...ANSELM...AND VENLO WILL BE AFFECTED BY THE
  HEAVY RAIN. ADDITIONAL RAIN AMOUNTS OF ONE TO TWO INCHES CAN BE
  EXPECTED OVER NORTHERN RICHLAND AND EASTERN RANSON COUNTIES.

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

LAT...LON 4663 9766 4630 9767 4631 9673 4659 9682

$$
HOPPES
NNNN

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 19, 7:17 PM CDTTornado WarningFGFCass28 min
Jun 19, 7:54 PM CDTFlash Flood WarningFGFSteele, Traill3 hr
Jun 19, 7:58 PM CDTFlash Flood WarningFGFCass3 hr
Jun 19, 10:02 PM CDTFlash Flood WarningFGFRansom, Richland4 hr
Jun 19, 10:21 PM CDTSevere Thunderstorm WarningFGFCass29 min
Jun 19, 10:57 PM CDTFlash Flood WarningFGFCass, Traill5 hr
Jun 20, 1:28 AM CDTFlash Flood WarningFGFGrand Forks3 hr

Nearby

Flash Flood Warnings in North Dakota, 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.