Alert archive / North Dakota / Flash Flood Warnings in 2007
Flash Flood Warning 9, NWS Grand Forks, ND
NWS Grand Forks, ND issued this flash flood warning at Jun 25, 2007, 2:29 AM CDT for Towner County, North Dakota. It was in force for 10 hr. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jun 25, 2007, 2:29 AM CDT (07:29 UTC)
- Expired
- Jun 25, 2007, 12:00 PM CDT
- In force
- 10 hr
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties
County Towner County, ND
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 25, 5:30 AM CDT | FLASH FLOOD | 2 Nnw Hansboro, ND | AREA FIELDS FLOODED AND WATER FLOWING OVER COUNTY ROAD NEAR HIDDEN ISLAND COULEE. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 00:00Z, 7.5 hours before the alert went out and 239 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
- 3796 J/kg
- Mixed-layer CIN
- -23 J/kg
- Mixed-layer LCL
- 1514 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 49 m²/s²
- 0-3 km storm-relative helicity
- 183 m²/s²
- Significant tornado parameter
- 1.4
- Supercell composite
- 17.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS53 KFGF 250730 FFWFGF NDC095-251700- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 229 AM CDT MON JUN 25 2007 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * FLASH FLOOD WARNING FOR... NORTHERN TOWNER COUNTY IN NORTHEAST NORTH DAKOTA... * UNTIL NOON CDT * AT 225 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN FROM A LINE OF PERSISTENT THUNDERSTORMS 4 MILES WEST OF HANSBORO...OR ABOUT 46 MILES EAST OF BOTTINEAU. THE STORM PRODUCING VERY HEAVY RAIN WAS NEARLY STATIONARY. RADAR ESTIMATES OF 2 TO 5 INCHES OF RAIN HAVE FALLEN ALONG A NARROW BAND NEAR THE INTERNATIONAL BORDER IN NORTHERN TOWNER COUNTY IN THE PAST 2 HOURS. ADDITIONAL RAINFALL AMOUNTS OF UP TO 2 INCHES ARE POSSIBLE. ANYONE ON OR NEAR STREAMS IN NORTHERN TOWNER COUNTY SHOULD SEEK HIGHER GROUND. * SOME LOCATIONS IN THE WARNING INCLUDE HANSBORO. 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 4889 9952 4890 9900 4900 9900 4899 9953 $$ DK
2 follow-up statements
000 WGUS73 KFGF 251122 FFSFGF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 613 AM CDT MON JUN 25 2007 NDC095-251700- TOWNER ND- 613 AM CDT MON JUN 25 2007 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL NOON CDT FOR NORTHERN TOWNER COUNTY... AT 620 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A COMPLEX OF THUNDERSTORMS PRODUCING VERY HEAVY RAIN MOVING INTO NORTHERN TOWNER COUNTY. RADAR INDICATES OVERNIGHT RAINFALL TOTALS IN NORTHERN TOWNER IN THE 6 TO 8 INCH RANGE. ANOTHER INCH OF RAINFALL IS POSSIBLE THIS MORNING. ANYONE NEAR STREAMS IN NORTHERN TOWNER COUNTY SHOULD SEEK HIGHER GROUND. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT DRIVE YOUR VEHICLE INTO WATER OF UNKNOWN DEPTH. ONE OR TWO FEET OF WATER WILL FLOAT MOST CARS DOWNSTREAM. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 AM CDT MONDAY MORNING FOR EASTERN NORTH DAKOTA. LAT...LON 4889 9952 4890 9900 4900 9900 4899 9953 $$ KAISER
000 WGUS73 KFGF 251645 FFSFGF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 1145 AM CDT MON JUN 25 2007 NDC095-251655- TOWNER ND- 1145 AM CDT MON JUN 25 2007 ...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR NORTHERN TOWNER COUNTY... AT 1145 AM CDT...THE HEAVY RAIN IN NORTHERN TOWNER COUNTY HAS MOVED OUT OF THE COUNTY. FLOOD WATERS HAVE SUBSIDED AND FLOODING IS NO LONGER A THREAT SO THE WARNING HAS BEEN CANCELLED. LAT...LON 4889 9952 4890 9900 4900 9900 4899 9953 $$ KK/BH
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 25, 1:07 AM CDT | Severe Thunderstorm Warning | FGF | Towner | 53 min |
| Jun 25, 2:00 AM CDT | Severe Thunderstorm Warning | FGF | Towner | 45 min |
| Jun 25, 4:45 AM CDT | Severe Thunderstorm Warning | FGF | Towner | 45 min |
| Jun 25, 5:15 AM CDT | Severe Thunderstorm Warning | FGF | Cavalier | 60 min |
| Jun 25, 6:16 AM CDT | Severe Thunderstorm Warning | FGF | Cavalier | 39 min |
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.