Alert archive / North Dakota / Flash Flood Warnings in 2000

Flash Flood Warning 1, NWS Grand Forks, ND

June 12, 2000Grand Forks County, Nelson County, North Dakota

NWS Grand Forks, ND issued this flash flood warning at Jun 12, 2000, 10:43 PM CDT for Grand Forks County, Nelson 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 12, 2000, 10:43 PM CDT (03:43 UTC)
Expired
Jun 13, 2000, 1:00 AM CDT
In force
2 hr
Issued by
NWS Grand Forks, ND
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Grand Forks County, ND, Nelson County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 59 km from the middle of the area, began a volume at 03:43 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.

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 3.7 hours before the alert went out and 277 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 2000-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1445 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, Bismarck Municip, ND at 00:00Z on 2000-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 61 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
1445 J/kg
Mixed-layer CIN
-53 J/kg
Mixed-layer LCL
1745 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
61 m²/s²
0-3 km storm-relative helicity
93 m²/s²
Significant tornado parameter
0.1
Supercell composite
3.6

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KFGF 130349
FFWFGF
NDC035-063-130600-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE EASTERN ND-GRAND FORKS
1043 PM CDT MON JUN 12 2000

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN GRAND FORKS COUNTY IN NORTHEAST NORTH DAKOTA
  NELSON COUNTY IN NORTHEAST NORTH DAKOTA

* UNTIL 100 AM CDT

* AT 1038 PM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED GRAVEL
ROAD WASH OUTS IN THE WESTERN PORTION OF GRAND FORKS COUNTY. DOPPLER
RADAR ESTIMATES A BROAD AREA OF 4 OR MORE INCHES OF RAIN HAVE FALLEN
SINCE 730 PM FROM STUMP LAKE THROUGH PETERSBURG AND ON TO HONEYFORD
NORTH DAKOTA. SEVERAL PUBLIC REPORTS INDICATE 4 TO 6 INCHES OF RAIN
HAVE FALLEN...WITH RADAR INDICATING ADDITIONAL HEAVY RAINFALL MOVING
INTO THESE AREAS.

* STUMP LAKE...PETERSBURG...MICHIGAN...AND HONEYFORD WILL BE
AFFECTED BY THE HEAVY RAIN. RAINFALL AMOUNTS OF 4 OR MORE INCHES
HAVE BEEN REPORTED IN WESTERN GRAND FORKS AND EASTERN NELSON
COUNTIES. FLOODING IS EXPECTED ALONG THE TURTLE RIVER AND UPPER
BRANCH OF THE GOOSE RIVER.

MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT DRIVE YOUR
VEHICLE INTO WA2TER OF UNKNOWN DEPTH. ONE OR TWO FEET OF WATER WILL
FLOAT MOST CARS DOWNSTREAM.

LAT...LON 4814 9698 4799 9691 4777 9847 4816 9831

NNNN

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 12, 7:23 PM CDTTornado WarningFGFGrand Forks32 min
Jun 12, 7:25 PM CDTSevere Thunderstorm WarningFGFNelson30 min
Jun 12, 7:53 PM CDTSevere Thunderstorm WarningFGFNelson47 min
Jun 12, 7:55 PM CDTTornado WarningFGFGrand Forks30 min
Jun 12, 8:12 PM CDTSevere Thunderstorm WarningFGFGrand Forks33 min
Jun 12, 8:25 PM CDTSevere Thunderstorm WarningFGFEddy30 min
Jun 12, 8:39 PM CDTSevere Thunderstorm WarningFGFNelson46 min
Jun 12, 8:43 PM CDTSevere Thunderstorm WarningFGFGrand Forks47 min
Jun 12, 8:54 PM CDTSevere Thunderstorm WarningFGFEddy31 min
Jun 12, 9:18 PM CDTTornado WarningFGFGrand Forks32 min
Jun 12, 9:23 PM CDTSevere Thunderstorm WarningFGFNelson32 min
Jun 12, 9:54 PM CDTSevere Thunderstorm WarningFGFGrand Forks46 min
Jun 12, 9:59 PM CDTSevere Thunderstorm WarningFGFEddy, Nelson31 min
Jun 12, 10:37 PM CDTSevere Thunderstorm WarningFGFGrand Forks28 min
Jun 12, 10:40 PM CDTSevere Thunderstorm WarningFGFNelson30 min
Jun 12, 11:06 PM CDTSevere Thunderstorm WarningFGFGrand Forks44 min
Jun 12, 11:48 PM CDTSevere Thunderstorm WarningFGFGrand Forks42 min
Jun 13, 12:01 AM CDTSevere Thunderstorm WarningFGFNelson44 min
Jun 13, 12:18 AM CDTSevere Thunderstorm WarningFGFGriggs32 min
Jun 13, 12:40 AM CDTFlash Flood WarningFGFEddy, Grand Forks, Nelson6 hr
Jun 13, 12:44 AM CDTSevere Thunderstorm WarningFGFGrand Forks, Steele46 min
Jun 13, 2:17 AM CDTSevere Thunderstorm WarningFGFBarnes, Cass43 min
Jun 13, 3:19 AM CDTSevere Thunderstorm WarningFGFGrand Forks46 min
Jun 13, 6:46 PM CDTSevere Thunderstorm WarningFGFGriggs29 min

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.