Alert archive / North Dakota / Flash Flood Warnings in 2005
Flash Flood Warning 40, NWS Grand Forks, ND
NWS Grand Forks, ND issued this flash flood warning at Jul 10, 2005, 6:30 PM CDT for Benson County, Towner County, North Dakota. It was in force for 15 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 10, 2005, 6:30 PM CDT (23:30 UTC)
- Expired
- Jul 11, 2005, 9:30 AM CDT
- In force
- 15 hr
- Issued by
- NWS Grand Forks, ND
- Area
- Counties, with a storm outline in the text
Counties Benson County, ND, Towner County, ND
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 12:00Z, 11.5 hours before the alert went out and 209 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
- 1794 J/kg
- Mixed-layer CIN
- -424 J/kg
- Mixed-layer LCL
- 1953 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 32 m²/s²
- 0-3 km storm-relative helicity
- 36 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 102333
FFWFGF
NDC005-095-111430-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
630 PM CDT SUN JUL 10 2005
THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
WESTERN BENSON COUNTY IN NORTHEAST NORTH DAKOTA
TOWNER COUNTY IN NORTHEAST NORTH DAKOTA
* UNTIL 930 AM CDT
* AT 627 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
VERY HEAVY RAIN FROM THUNDERSTORMS ALONG A LINE EXTENDING FROM 5
MILES EAST OF ROCKLAKE TO 6 MILES NORTHWEST OF MADDOCK...OR ALONG A
LINE EXTENDING FROM 34 MILES WEST OF LANGDON TO 36 MILES WEST OF
DEVILS LAKE. THE STORMS PRODUCING VERY HEAVY RAIN WERE NEARLY
STATIONARY. RADAR ESTIMATES OF 1 TO 2 INCHES ARE INDICATED WITH
ANOTHER 1 TO 2 INCHES POSSIBLE THIS EVENING.
* SOME LOCATIONS IN THE WARNING INCLUDE MADDOCK...LEEDS...CANDO AND
ROCKLAKE.
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 4897 9930 4838 9946 4808 9981 4787 9979
4787 9941 4837 9924 4897 9901
$$
JCA/DM4 follow-up statements
000
WGUS73 KFGF 110211
FFSFGF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
910 PM CDT SUN JUL 10 2005
NDC005-095-111430-
TOWNER ND-BENSON ND-
910 PM CDT SUN JUL 10 2005
...A FLASH FLOOD WARNING CONTINUES UNTIL 930 AM CDT FOR WESTERN
BENSON AND TOWNER COUNTIES...
AT 854 PM CDT...PUBLIC REPORTS INDICATE THAT 1.5 TO 2 INCHES OF RAIN
HAD FALLEN IN THE ESMOND AREA OF BENSON COUNTY WITH MOST OF THAT
FALLING IN LESS THAN ONE HALF HOUR. DOPPLER RADAR ESTIMATES SHOW
THAT 4 TO 5 INCHES HAVE FALLEN SOUTH OF THE ESMOND AREA. PUBLIC
REPORTS ALSO INDICATE THAT 1 TO 2 INCHES OF RAIN HAD FALLEN SOUTH OF
CANDO AND PERTH IN TOWNER COUNTY.
AT 905 PM...STRONG THUNDERSTORMS PRODUCING VERY HEAVY RAINS WERE
AGAIN MOVING INTO WESTERN BENSON AND TOWNER COUNTIES. THESE STORMS
WILL LIKELY DROP AN ADDITIONAL 1 TO 2 INCHES OF RAIN IN LESS THAN
ONE HOUR CAUSING FURTHER FLOODING PROBLEMS.
MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT DRIVE YOUR
VEHICLE INTO WATER OF UNKNOWN DEPTH. ONE OR TWO FEET OF WATER WILL
FLOAT MOST CARS DOWNSTREAM.
LAT...LON 4897 9930 4838 9946 4808 9981 4787 9979
4787 9941 4837 9924 4897 9901
$$
EWENS000
WGUS73 KFGF 110459
FFSFGF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
1157 PM CDT SUN JUL 10 2005
NDC005-095-111430-
TOWNER ND-BENSON ND-
1157 PM CDT SUN JUL 10 2005
...A FLASH FLOOD WARNING CONTINUES UNTIL 930 AM CDT FOR WESTERN
BENSON AND TOWNER COUNTIES...
AT 1145 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WITH HEAVY RAINS CONTINUED TO MOVE ACROSS WESTERN
BENSON INTO NORTHERN TOWNER COUNTY. DOPPLER RADAR ESTIMATES SHOW
THAT 2 TO 4 INCHES OF RAIN HAVE FALLEN FROM THE ESMOND AREA OF
SOUTHERN BENSON COUNTY...THROUGH THE LEEDS AREA ON TO THE CANDO AND
BISBEE AREAS OF CENTRAL TOWNER COUNTY.
DOPPLER RADAR INDICATES YET ANOTHER LINE OF STRONG THUNDERSTORMS WAS
MOVING TOWARD THE WARNING AREA FROM THE SOUTH DAKOTA LINE SOUTH OF
BISMARCK UP TOWARDS THE DEVILS LAKE BASIN.
SOME LOCATIONS IN THE WARNING INCLUDE ESMOND...LEEDS...CANDO...
PERTH AND BISBEE.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN THE DANGERS OF FLASH FLOODING
ARE HARD TO RECOGNIZE.
LAT...LON 4897 9930 4838 9946 4808 9981 4787 9979
4787 9941 4837 9924 4897 9901
$$
EWENS000
WGUS73 KFGF 110812
FFSFGF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
310 AM CDT MON JUL 11 2005
NDC005-095-111430-
TOWNER ND-BENSON ND-
310 AM CDT MON JUL 11 2005
...A FLASH FLOOD WARNING CONTINUES UNTIL 930 AM CDT FOR WESTERN
BENSON AND TOWNER COUNTIES...
AT 300 AM CDT...DOPPLER RADAR INDICATED THAT SCATTERED THUNDERSTORMS
CONTINUE ACROSS EASTERN NORTH DAKOTA. ONLY LIGHT TO LOCALLY MODERATE
RAINFALLS HAVE OCCURRED IN THE WARNING AREA SINCE MIDNIGHT. RADAR
ESTIMATES AND SURFACE OBSERVATIONS INDICATE THAT LESS THAN ONE INCH
OF NEW RAIN FALL HAS AFFECTED THE WARNING AREA.
HOWEVER...RUNOFF FROM SUNDAY EVENINGS SIGNIFICANT THUNDERSTORM
ACTIVITY WILL CONTINUE THROUGH THE OVERNIGHT. WITH THE CONTINUED
THREAT OF ADDITIONAL RAINFALL...THE FLASH FLOOD WARNINGS WILL
CONTINUE THROUGH THE MID MORNING.
SOME LOCATIONS IN THE WARNING INCLUDE ESMOND...LEEDS...CANDO...
PERTH AND BISBEE.
MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT DRIVE YOUR
VEHICLE INTO WATER OF UNKNOWN DEPTH. ONE OR TWO FEET OF WATER WILL
FLOAT MOST CARS DOWNSTREAM.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN THE DANGERS OF FLASH FLOODING
ARE HARD TO RECOGNIZE.
LAT...LON 4897 9930 4838 9946 4808 9981 4787 9979
4787 9941 4837 9924 4897 9901
$$
EWENS000
WGUS73 KFGF 111436
FFSFGF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
936 AM CDT MON JUL 11 2005
NDC005-095-111500-
TOWNER ND-BENSON ND-
936 AM CDT MON JUL 11 2005
...THE FLASH FLOOD WARNING FOR WESTERN BENSON AND TOWNER COUNTIES
EXPIRES AT 930 AM CDT...
AT 930 AM CDT...PRECIPITATION HAD MOVED EAST OF THE AREA. LOCAL LAW
ENFORCEMENT REPORTED NO PROBLEMS WITH FLOODING THIS MORNING.
THUS...THE FLASH FLOOD WARNINGS FOR WESTERN BENSON AND TOWNER
COUNTIES HAS BEEN ALLOWED TO EXPIRE. 24 HOUR RAINFALL AMOUNTS IN THE
AREA THIS MORNING INCLUDE 1.17 INCHES AT BAKER AND 1.85 INCHES
BETWEEN CANDO AND BISBEE.
LAT...LON 4897 9930 4838 9946 4808 9981 4787 9979
4787 9941 4837 9924 4897 9901
$$
BRAMERThe office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 10, 6:20 PM CDT | Tornado Warning | FGF | Benson | 55 min |
Nearby
Flash Flood Warnings in North Dakota, 2005Every flash flood warning in 2005
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.