Alert archive / North Dakota / Flash Flood Warnings in 2007
Flash Flood Warning 2, NWS Bismarck, ND
NWS Bismarck, ND issued this flash flood warning at May 6, 2007, 2:21 AM CDT for Dickey County, LaMoure County, North Dakota. It took effect at May 6, 2007, 2:31 AM CDT. It was in force for 4 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, 2:21 AM CDT (07:21 UTC)
- In effect from
- May 6, 2007, 2:31 AM CDT
- Expired
- May 6, 2007, 6:30 AM CDT
- In force
- 4 hr
- Issued by
- NWS Bismarck, ND
- Area
- Whole counties
Counties Dickey County, ND, LaMoure County, ND
The radar
The Aberdeen radar (KABR), 92 km from the middle of the area, began a volume at 07:21 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, 7.4 hours before the alert went out and 175 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 KBIS 060731 FFWBIS NDC021-045-061130- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE BISMARCK ND 221 AM CDT SUN MAY 6 2007 THE NATIONAL WEATHER SERVICE IN BISMARCK HAS EXTENDED THE * FLASH FLOOD WARNING FOR... DICKEY COUNTY IN SOUTHEAST NORTH DAKOTA... LAMOURE COUNTY IN SOUTHEAST NORTH DAKOTA... * UNTIL 630 AM CDT * AT 220 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED SHOWERS WITH EMBEDDED THUNDERSTORMS CONTINUING OVER THE WARNED AREA. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO VERONA... MARION...LA MOURE...GRAND RAPIDS...EDGELEY...DICKEY...GLOVER... OAKES AND LUDDEN ALTHOUGH THE IMMINENT THREAT OF VERY HEAVY RAINFALL HAS LESSENED... SHOWERS AND THUNDERSTORMS MAY STILL DEVELOP AND MOVE OVER THE WARNED AREA EARLY THIS MORNING. IN THE PAST THREE HOURS DOPPLER RADARS INDICATE ESTIMATED RAINALL AMOUNTS OF ANOTHER INCH OR SO OVER FAR EASTERN DICKEY COUNTY...WITH LESSER AMOUNTS EXTENDING NORTH THROUGH EASTERN LAMOURE COUNTY. RUNOFF FROM THIS HEAVY RAIN...IN ADDITION TO HEAVY RAINS FROM YESTERDAY...WILL STILL CAUSE AREAS OF LOWLAND FLOODING. SINCE EARLY SATURDAY MORNING...THE RIVER LEVEL AT LUDDEN HAS RISEN OVER A HALF A FOOT...TO AROUND 11 FEET. THIS IS WITHIN A FOOT OF FLOOD STAGE. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROAD. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROAD. FLOOD WATERS ARE USUALLY DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN. TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN BISMARCK. LAT...LON 4596 9883 4595 9805 4660 9807 4662 9886 $$ TWH
2 follow-up statements
000 WGUS73 KBIS 060942 FFSBIS FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 421 AM CDT SUN MAY 6 2007 NDC021-045-061130- LAMOURE ND-DICKEY ND- 421 AM CDT SUN MAY 6 2007 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 630 AM CDT FOR DICKEY AND LAMOURE COUNTIES... AT 421 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT SHOWERS AND THUNDERSTORMS HAVE ENDED OVER DICKEY AND LAMOURE COUNTIES. HOWEVER...THERE IS STILL A THREAT OF ADDITIONAL SHOWERS AND THUNDERSTORMS OVER THE WARNED AREA EARLY THIS MORNING. EXCESSIVE RUNOFF FROM HEAVY RAIN LAST NIGHT AND EARLY THIS MORNING HAS CAUSED THE LOWER JAMES RIVER NEAR LUDDEN TO RISE TO NEAR FLOOD LEVEL. THE RIVER WILL LIKELY CONTINUE TO RISE TO ABOVE FLOOD STAGE EARLY THIS MORNING. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO VERONA... NORTONVILLE...MARION...LA MOURE...GRAND RAPIDS...EDGELEY...DICKEY... BERLIN AND ADRIAN EXCESSIVE RUNOFF FROM HEAVY RAIN WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS. MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN. FLOODING IS OCCURRING OR IS IMMINENT. IT IS IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS. CAMPERS AND HIKERS SHOULD AVOID STREAMS OR CREEKS. LAT...LON 4596 9883 4595 9805 4660 9807 4662 9886 $$ TWH
000 WGUS73 KBIS 061136 FFSBIS FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 627 AM CDT SUN MAY 6 2007 NDC021-045-061137- LAMOURE ND-DICKEY ND- 627 AM CDT SUN MAY 6 2007 ...THE FLASH FLOOD WARNING EXPIRED AT 630 AM CDT(530 AM MDT) FOR DICKEY AND LAMOURE COUNTIES... HEAVY RAIN THAT FELL OVER DICKEY AND LAMOURE COUNTIES ENDED AROUND 3 AM EARLY THIS MORNING. THE EXCESSIVE RUNOFF HAS CAUSED THE JAMES RIVER NEAR LUDDEN TO RISE ABOVE FLOOD STAGE. A FLOOD WARNING HAS BEEN ISSUED FOR THE LOWER JAMES RIVER NEAR LUDDEN. THERE HAVE BEEN NO ADDITIONAL REPORTS OF STREET OR LOWLAND FLOODING OVER DICKEY AND LAMOURE COUNTIES. THEREFORE THE FLASH FLOOD WARNING HAS BEEN ALLOWED TO EXPIRE. A FLOOD WATCH REMAINS IN EFFECT FOR THIS AREA UNTIL EARLY THIS AFTERNOON. THERE IS A POSSIBILITY OF ADDITIONAL SHOWER AND THUNDERSTORM DEVELOPMENT LATER THIS MORNING. IF YOU LIVE IN A FLOOD PRONE AREA...REMAIN ALERT AND TAKE APPROPRIATE ACTION IF ADDITIONAL RAIN OCCURS AND WATER LEVELS BEGIN TO RISE. LAT...LON 4596 9883 4595 9805 4660 9807 4662 9886 $$ TWH
The office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 5, 8:35 PM CDT | Flash Flood Warning | BIS | Dickey, LaMoure | 6 hr |
| May 6, 12:58 PM CDT | Severe Thunderstorm Warning | BIS | Grant, Sioux | 62 min |
| May 6, 1:15 PM CDT | Tornado Warning | BIS | Grant | 30 min |
| May 6, 1:46 PM CDT | Tornado Warning | BIS | Grant, Morton | 29 min |
| May 6, 4:38 PM CDT | Severe Thunderstorm Warning | BIS | Pierce | 21 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.