Alert archive / North Dakota / Flash Flood Warnings in 1999
Flash Flood Warning 3, NWS Grand Forks, ND
NWS Grand Forks, ND issued this flash flood warning at Jun 25, 1999, 9:05 PM CDT for Benson County, Ramsey 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
- Jun 25, 1999, 9:05 PM CDT (02:05 UTC)
- Expired
- Jun 26, 1999, 12:00 AM CDT
- In force
- 3 hr
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties
Counties Benson County, ND, Ramsey County, ND
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 00:00Z, 2.1 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
- 4959 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 1683 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 128 m²/s²
- 0-3 km storm-relative helicity
- 210 m²/s²
- Significant tornado parameter
- 1.5
- Supercell composite
- 25.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KFAR 260206 FFWFAR NDC005-071-260500- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 905 PM CDT FRI JUN 25 1999 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * FLASH FLOOD WARNING FOR... BENSON COUNTY IN NORTHEASTERN NORTH DAKOTA RAMSEY COUNTY IN NORTHEASTERN NORTH DAKOTA * UNTIL MIDNIGHT CDT * AT 855 PM CDT...RADAR INDICATED THUNDERSTORMS WITH HEAVY RAIN FROM 30 MILES NORTHEAST OF DEVILS LAKE NEAR EDMORE TO 40 MILES SOUTHWEST OF DEVILS LAKE NEAR MADDOCK. THUNDERSTORMS ARE EXPECTED TO CONTINUE TO MOVE NORTHEAST OVER BENSON AND RAMSEY COUNTIES THROUGH MIDNIGHT. * RADAR INDICATED WEBSTER HAS HAD RAINFALL RATES OF MORE THAN AN INCH PER HOUR. OTHER TOWNS THAT WILL BE AFFECTED BY HEAVY RAIN WILL BE FLORA...OBERON...MINNEWAUKAN...DEVILS LAKE AND LAWTON. IF FLASH FLOODING IS OBSERVED...MOVE QUICKLY TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. HOPPES
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.
NWS Grand Forks, ND wrote its last area forecast discussion before this flash flood warning went out at Jun 25, 3:31 PM CDT, 5 hours 34 minutes earlier.
Area forecast discussion, Jun 25, 3:31 PM CDT, 5 hours 34 minutes before
FORECAST DISCUSSION FOR EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 300 PM CDT FRI JUN 25 1999 H5 HGTS FALL AS UPR LOW OVR THE PAC NW MOVS N OF LAKE WINNIPEG BY 12Z SUNDAY. THERMODYNAMICS RICH ACRS SD AND SRN ND BUT MOST OF UPR DYNAMICS FARTHER TO THE NW OVR MT. ETA WANTS TO HOLD VRT MOTN ACRS SRN ND WHILE NGM ADVECTS TO THE NE ACRS CWFA. VSB STLT LOOP HAS ESSENTIALLY A CLR SKY OVR SRN 2/3 OF ERN ND AND ADJ PARTS OF NW MN AND SHOULD BE A CAPPED ENVIRONMENT. BEST PRES FALLS WERE OCCURRING IN NE ND AHEAD OF WM FNT. PRES FALL CNTR HAS BEEN MOVG N/NE. 88D HAS HAD ISOLD CELLS FORM AHEAD CLR CAPPED AREA IN NRN 1/3 OF CWFA. VAD WNDS OFF OF NEARBY 88D DOES NOT SUGGEST THE H8 SPEED CONVERGENCE INDICATED BY THE ETA. SO NGM APPEARS TO HAVE THE BEST HANDLE ON ABV SCENARIO AND IS PREFERRED. 16Z BIS SNDG SHOWS GOOD CAP WITH ABT 95F SFC TEMP NEEDED TO BREAK CAP AT BIS. WM FRONTAL CONVERGENCE SHOULD AID BREAKING CAP AT L WER TEMPS. SFC LOW E OF DIK AND MOVG E AT GOOD CLIP. LOOK FOR TSTRMS TO FIRE IN CNTRL ND AND MOV NE INTO ERN ND LATE AFTN AND INTO THE EVE. SHOULD BE A WARM HUMID NIGHT WITH HIGH DWPTS. LITTLE COOLER FOR SAT AS TROF/WND SHFT WL MOV INTO ERN ND BY SAT MORN. MID LVL CLD DECK EXPECTED TO HOLD TEMPS DOWN FOR SAT. .EXTENDED...MODELS ADVERTISING A RETURN TO A ZONAL MORE PROGRESSIVE PATTERN BY TUESDAY. H850 TEMPS COOL DOWN TO NEAR 10C FOR MONDAY...AND RECOVER INTO THE TEENS THEREAFTER. THIS WILL RESULT IN TEMPS BELOW NORMAL ON MON...AND NEAR NORMAL FOR TUE/WED. SURFACE HIGH WILL CREST OVER FA ON MONDAY...WITH SEVERAL SHORTWAVES AND COOL AIR ALOFT TO SPELL UNSETTLED WEATHER FOR TUE/WED. WILL INTRODUCE SHOWERS/T-STORMS PFOR TUE/WED AND KEEP MONDAY DRY. .FGF...SVR TSRA WATCH #470 TIL 10 PM CDT. HOPPES/DK
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 25, 7:54 PM CDT | Severe Thunderstorm Warning | FGF | Benson, Ramsey | 36 min |
| Jun 25, 8:23 PM CDT | Severe Thunderstorm Warning | FGF | Benson, Ramsey | 47 min |
| Jun 25, 9:10 PM CDT | Severe Thunderstorm Warning | FGF | Ramsey, Walsh | 35 min |
| Jun 25, 11:17 PM CDT | Severe Thunderstorm Warning | FGF | Barnes, Griggs | 33 min |
| Jun 25, 11:37 PM CDT | Severe Thunderstorm Warning | FGF | Steele, Traill | 33 min |
| Jun 26, 12:01 AM CDT | Severe Thunderstorm Warning | FGF | Barnes, Cass, Steele | 49 min |
| Jun 26, 12:01 AM CDT | Severe Thunderstorm Warning | FGF | Traill | 49 min |
| Jun 26, 1:15 AM CDT | Severe Thunderstorm Warning | FGF | Grand Forks | 30 min |
| Jun 26, 1:33 AM CDT | Severe Thunderstorm Warning | FGF | Traill | 32 min |
Nearby
Flash Flood Warnings in North Dakota, 1999Every flash flood warning in 1999
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.