Alert archive / North Dakota / Flash Flood Warnings in 1998
Flash Flood Warning 3, NWS Bismarck, ND
NWS Bismarck, ND issued this flash flood warning at Jul 5, 1998, 1:30 AM CDT for Mountrail County, North Dakota. It was in force for 3 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
- Jul 5, 1998, 1:30 AM CDT (06:30 UTC)
- Expired
- Jul 5, 1998, 4:00 AM CDT
- In force
- 3 hr
- Issued by
- NWS Bismarck, ND
- Area
- Whole counties
County Mountrail County, ND
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 00:00Z, 6.5 hours before the alert went out and 202 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
- 502 J/kg
- Mixed-layer CIN
- -180 J/kg
- Mixed-layer LCL
- 1328 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 52 m²/s²
- 0-3 km storm-relative helicity
- 162 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.9
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBIS 050632 FFWBIS NDC061-050900- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE BISMARCK ND 130 AM CDT SUN JUL 5 1998 THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A * FLASH FLOOD WARNING FOR... MOUNTRAIL COUNTY IN NORTHWESTERN NORTH DAKOTA * UNTIL 400 AM CDT * AT 125 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS WITH TORRENTIAL RAIN OVER MOUNTRAIL COUNTY... MOVING EAST AT 20 MPH. * AT 125 AM CDT WATER WAS RUNNING CURB HIGH IN STANLEY. DOPPLER RADAR ESTIMATES AN INCH OF RAIN SINCE MIDNIGHT. THUNDERSTORMS WILL CONTINUE TO MOVE THROUGH MOUNTRAIL COUNTY WITH ANOTHER ONE TO TWO INCHES OF RAIN EXPECTED BEFORE 3 AM. DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD! IF WATER STARTS RISING NEAR YOU GET TO HIGHER GROUND! JP MARTIN
What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Jul 5, 12:35 AM CDT, 55 minutes before
NDZ001-002-009-010-017>019-031>033-040-041-043-044-050900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 1230 AM CDT (1130 PM MDT) SUN JUL 5 1998 ...SEVERE THUNDERSTORM WATCH CONTINUES FOR THE WESTERN THIRD OF NORTH DAKOTA UNTIL 4 AM CDT...3 AM MOUNTAIN... THE WATCH INCLUDES BUT IS NOT LIMITED TO THESE CITIES AND TOWNS... BOWBELLS...WILLISTON...STANLEY...WATFORD CITY...KILLDEER...DICKINSON ...BEACH...AND HETTINGER. AT 1225 AM CDT (1125 PM MOUNTAIN) THUNDERSTORMS WERE OCCURING FROM NEAR BOWBELLS...THROUGH WILLISTON...WATFORD CITY AND GRASSY BUTTE... TO NEAR BEACH. MOVEMENT WAS EAST AT 25 MPH. ANY OF THESE STORMS COULD QUICKLY GO SEVERE. IF YOU ARE IN THE WATCH AREA BE PREPARED FOR RAPID CHANGES IN WEATHER. BY DEFINITION A SEVERE THUNDERSTORM IS ONE THAT PRODUCES LARGE HAIL (3/4 INCH DIAMETER OR LARGER) AND/OR WIND GUSTS OF 58 MPH OR HIGHER. JP MARTIN
Local storm report, Jul 5, 12:47 AM CDT, 43 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILLISTON ND
1247 AM CDT SUN JUL 5 1998
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1209 AM WILLISTON ND 62 MPH WIND GUST
07/05/98 WILLIAMS
PROTONLocal storm report, Jul 5, 12:47 AM CDT, 43 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILLISTON ND
1247 AM CDT SUN JUL 5 1998
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1209 AM WILLISTON ND 62 MPH WIND GUST
07/05/98 WILLIAMS
PROTONThe office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 4, 10:50 PM CDT | Severe Thunderstorm Warning | BIS | McKenzie, Williams | 60 min |
| Jul 4, 11:56 PM CDT | Severe Thunderstorm Warning | BIS | McKenzie, Williams | 59 min |
| Jul 5, 1:15 AM CDT | Flash Flood Warning | BIS | Williams | 3 hr |
| Jul 5, 6:55 PM CDT | Tornado Warning | BIS | Burke | 50 min |
Nearby
Flash Flood Warnings in North Dakota, 1998Every flash flood warning in 1998
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.