Alert archive / North Dakota / Flash Flood Warnings in 1997
Flash Flood Warning 27, NWS Grand Forks, ND
NWS Grand Forks, ND issued this flash flood warning at Sep 1, 1997, 1:22 AM CDT for Barnes County, Griggs 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
- Sep 1, 1997, 1:22 AM CDT (06:22 UTC)
- Expired
- Sep 1, 1997, 4:30 AM CDT
- In force
- 3 hr
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties
Counties Barnes County, ND, Griggs County, ND
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 00:00Z, 6.4 hours before the alert went out and 199 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
- 1215 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 1935 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 71 m²/s²
- 0-3 km storm-relative helicity
- 115 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KFAR 010624 FFWFAR NDC003-039-010930- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 122 AM CDT MON SEP 1 1997 THE NATIONAL WEATHER SERVICE IN EASTERN ND/GRAND FORKS HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 430 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHEAST NORTH DAKOTA ...NORTHERN BARNES COUNTY...SOUTHERN GRIGGS COUNTY AT 120 AM CDT RADAR INDICATED THAT AN AREA OF INTENSE THUNDERSTORMS... WITH TORRENTIAL RAIN...WILL BE MOVING OVER NORTHERN BARNES AND SOUTHERN GRIGGS COUNTIES OVER THE NEXT FEW HOURS. THE MAIN AREA OF CONCERN IS BOUNDED BY STATE HIGHWAY 200 ON THE NORTH AND I94 ON THE SOUTH. DOPPLER RADAR RAINFALL ESTIMATES INDICATED UP TO 3 INCHES OF RAIN HAS ALREADY FALLEN OVER AN AREA FROM WIMBLEDON TO HANNAFORD FROM 10 PM SUNDAY EVENING TO 1 AM MONDAY MORNING. AS THESE STORMS MOVE OVER THE AREA OVER THE NEXT FEW HOURS... AN ADDITIONAL 1 TO 3 INCHES OF RAIN IS POSSIBLE. AS A RESULT FLASH FLOODING IS LIKELY...ESPECIALLY FROM WIMBLEDON TO DAZEY TO HANNAFORD. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED... MOVE QUICKLY TO HIGHER GROUND. KENNEDY
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 31, 8:37 PM CDT | Severe Thunderstorm Warning | FGF | Barnes | 38 min |
| Aug 31, 9:17 PM CDT | Severe Thunderstorm Warning | FGF | Eddy | 28 min |
| Aug 31, 10:00 PM CDT | Tornado Warning | FGF | Barnes | 30 min |
| Aug 31, 10:29 PM CDT | Severe Thunderstorm Warning | FGF | Barnes | 31 min |
| Aug 31, 11:18 PM CDT | Severe Thunderstorm Warning | FGF | Cass | 42 min |
| Sep 1, 1:27 AM CDT | Severe Thunderstorm Warning | FGF | Barnes | 48 min |
| Sep 1, 2:13 AM CDT | Severe Thunderstorm Warning | FGF | Cass | 47 min |
| Sep 1, 2:15 AM CDT | Severe Thunderstorm Warning | FGF | Barnes | 30 min |
| Sep 1, 2:30 AM CDT | Flash Flood Warning | FGF | Cass | 4 hr |
Nearby
Flash Flood Warnings in North Dakota, 1997Every flash flood warning in 1997
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.