Alert archive / North Dakota / Flash Flood Warnings in 2007
Flash Flood Warning 4, NWS Grand Forks, ND
NWS Grand Forks, ND issued this flash flood warning at May 6, 2007, 1:52 AM CDT for Ransom County, Sargent County, North Dakota. It was in force for 8 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- May 6, 2007, 1:52 AM CDT (06:52 UTC)
- Expired
- May 6, 2007, 10:00 AM CDT
- In force
- 8 hr
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties
Counties Ransom County, ND, Sargent County, ND
The radar
The Aberdeen radar (KABR), 109 km from the middle of the area, began a volume at 06:52 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, 6.9 hours before the alert went out and 240 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.
- Mixed-layer CAPE
- 21 J/kg
- Mixed-layer CIN
- -110 J/kg
- Mixed-layer LCL
- 498 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 176 m²/s²
- 0-3 km storm-relative helicity
- 296 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS53 KFGF 060655 FFWFGF NDC073-081-061500- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS 152 AM CDT SUN MAY 6 2007 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * FLASH FLOOD WARNING FOR... RANSOM COUNTY IN SOUTHEAST NORTH DAKOTA... SARGENT COUNTY IN SOUTHEAST NORTH DAKOTA... * UNTIL 1000 AM CDT * AT 145 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN FROM THUNDERSTORMS ALONG A LINE EXTENDING FROM 4 MILES SOUTH OF ENDERLIN TO 6 MILES SOUTHWEST OF BRAMPTON...OR ALONG A LINE EXTENDING FROM 32 MILES SOUTHEAST OF VALLEY CITY TO 13 MILES NORTHWEST OF BRITTON. STORMS PRODUCING VERY HEAVY RAIN WERE EXPECTED TO CONTINUE MOVING OVER CENTRAL AND WESTERN PARTS OF THE COUNTIES THROUGH AT LEAST 400 AM. * SOME LOCATIONS IN THE WARNING INCLUDE LISBON...GWINNER... STRAUBVILLE AND STIRUM. 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 4661 9777 4595 9799 4595 9770 4661 9742 $$ GV
2 follow-up statements
000 WGUS73 KFGF 061338 FFSFGF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS 837 AM CDT SUN MAY 6 2007 NDC073-081-061500- RANSOM ND-SARGENT ND- 837 AM CDT SUN MAY 6 2007 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1000 AM CDT FOR WESTERN SARGENT AND CENTRAL RANSOM COUNTIES... AT 837 AM CDT...WEATHER SPOTTERS REPORT HEAVY RAIN HAS FALLEN OVERNIGHT. IN THE PAST 24 HOURS...4 TO 6 INCHES OF RAIN HAVE BEEN REPORTED IN THE BRAMPTON...COGSWELL...STRAUBVILLE...AND FORMAN AREA. 2 TO 4 INCHES OF RAINFALL HAVE BEEN REPORTED NORTH OF THIS AREA THROUGH THE LISBON AND ENDERLIN AREA. THIS RAINFALL HAS CAUSED PLENTY OF STANDING WATER AND DITCHES RUNNING NEAR FULL. SMALL STREAMS AND RIVERS WILL CONTINUE TO SHOW RAPID RISES. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT DRIVE YOUR VEHICLE INTO WATER OF UNKNOWN DEPTH. ONE OR TWO FEET OF WATER WILL FLOAT MOST CARS DOWNSTREAM. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN THE DANGERS OF FLASH FLOODING ARE HARD TO RECOGNIZE. LAT...LON 4661 9777 4595 9799 4595 9770 4661 9742 $$ TG
000 WGUS73 KFGF 061454 FFSFGF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS 954 AM CDT SUN MAY 6 2007 NDC073-081-061500- RANSOM ND-SARGENT ND- 954 AM CDT SUN MAY 6 2007 ...THE FLASH FLOOD WARNING WILL EXPIRE AT 1000 AM CDT FOR WESTERN SARGENT AND CENTRAL RANSOM COUNTIES... HEAVY RAINS ARE NO LONGER EXPECTED AND HAZARDS FROM FLASH FLOODING HAVE DECREASED. HOWEVER...2 TO 6 INCHES OF RAIN HAVE OCCURRED ACROSS THIS AREA. THE WATER THAT IS IN PLACE WILL NOT GO AWAY FOR SOME TIME...THUS AN AREAL FLOOD WARNING WILL BE ISSUED SHORTLY. LAT...LON 4661 9777 4595 9799 4595 9770 4661 9742 $$ TG
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 6, 8:52 AM CDT | High Wind Warning | FGF | Cass, Richland | 3 hr |
| May 6, 11:58 AM CDT | Wind Advisory | FGF | Cass, Richland | 7 hr |
Nearby
Flash Flood Warnings in North Dakota, 2007Every flash flood warning in 2007
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.