Alert archive / North Dakota / Flash Flood Warnings in 1993
Flash Flood Warning 1, NWS Grand Forks, ND
NWS Grand Forks, ND issued this flash flood warning at Jul 24, 1993, 10:25 AM CDT for Barnes County, Griggs County, Steele County, North Dakota. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Jul 24, 1993, 10:25 AM CDT (15:25 UTC)
- Expired
- Jul 24, 1993, 2:00 PM CDT
- In force
- 4 hr
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties
Counties Barnes County, ND, Griggs County, ND, Steele County, ND
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 12:00Z, 3.4 hours before the alert went out and 212 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 714 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 27 m²/s²
- 0-3 km storm-relative helicity
- 52 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KFAR 241524 FFWFAR NDC003-039-091-241900- BULLETIN - EBS ACTIVATION REQUESTED FLOOD WARNING NATIONAL WEATHER SERVICE FARGO ND 1025 AM CDT SAT JUL 24 1993 THE NATIONAL WEATHER SERVICE IN FARGO HAS ISSUED A FLOOD WARNING EFFECTIVE UNTIL 200 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN EAST CENTRAL NORTH DAKOTA ...NORTHERN BARNES COUNTY...ALL OF GRIGGS COUNTY AND STEELE COUNTIES AT 1005AM CDT THE COOPERATIVE OBSERVER AT DAZEY NORTH DAKOTA REPORTED 5.52 INCHES OF RAIN IN THE LAST 6 HOURS WITH RAIN STILL FALLING. RADAR AND SATELLITE ESTIMATES SHOW WIDESPREAD 1.5 TO 2.5 INCH RAINFALLS ACROSS NORTHERN BARNES...AS WELL AS MUCH OF GRIGGS AND STEELE COUNTIES. IN THE LAST 3 HOURS. THE GROUND IS ALREADY SATURATED FROM RECENT RAINFALLS AND RAPID RISES IN RIVER LEVELS...ESPECIALLY THE SHEYENNE...MAPLE AND SOUTH BRANCH OF THE GOOSE RIVER AND THEIR TRIBUTARIES...IS VERY LIKELY. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND. EWENS
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 24, 4:43 AM CDT, 5 hours 42 minutes before
NDZ012-013-014-015-016-017-018-MNZ001-006-007-010-011-013-241045- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE FARGO ND 440 AM CDT SAT JUL 24 1993 ...A FLASH FLOOD WATCH IS IN EFFECT FOR SOUTHEAST AND SOUTH CENTRAL NORTH DAKOTA TODAY AND TONIGHT... AT 425 AM CDT...AN AREA OF THUNDERSTORMS WITH VERY HEAVY RAIN CONTINUED OVER PARTS OF EAST CENTRAL AND NORTHEAST NORTH DAKOTA. THE HEAVIEST RAIN WAS LOCATED 35 TO 55 MILES NORTH OF VALLEY CITY NORTH DAKOTA...IN WESTERN STEELE...NORTHERN GRIGGS AND SOUTHERN NELSON COUNTIES. THESE STORMS ARE PRODUCING VERY HEAVY RAIN OVER ALREADY SATURATED SOIL. PONDING OF WATER WAS REPORTED AT US AIR FORCE INSTALLATIONS IN SOUTHERN GRIGGS COUNTY AS THESE STORMS PASSED. EARLY MORNING TRAVELERS SHOULD BE ALERT FOR WATER OVER ROADS. DO NOT ATTEMPT TO CROSS FLOODED ROADWAYS. THE STORMS WERE MOVING NORTHEAST AT ABOUT 20 MPH. SOME COMMUNITIES IN PATH OF THESE STORMS INCLUDE HOPE...FINLEY...SHARON...MCVILLE AND ANETA. < ELSEWHERE SCATTERED SHOWERS AND THUNDERSTORMS...SOME WITH HEAVY RAIN CONTINUED OVER NORTHEAST NORTH DAKOTA...FROM DEVILS LAKE NORTH TO THE CANADIAN BORDER. THESE STORMS WERE ALSO MOVING NORTHEAST AT ABOUT 20 MPH. HW
Special weather statement, Jul 24, 5:39 AM CDT, 4 hours 46 minutes before
NDZ012-013-014-015-016-017-018-MNZ001-006-007-010-011-013-241145- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE FARGO ND 540 AM CDT SAT JUL 24 1993 ...A FLASH FLOOD WATCH IS IN EFFECT FOR SOUTHEAST AND SOUTH CENTRAL NORTH DAKOTA TODAY AND TONIGHT... AT 525 AM CDT...THUNDERSTORMS WITH VERY HEAVY RAIN CONTINUED OVER PARTS OF EAST CENTRAL AND NORTHEAST NORTH DAKOTA. THE HEAVIEST RAIN WAS LOCATED 40 MILES SOUTHWEST OF GRAND FORKS IN CENTRAL STEELE COUNTY. IN ADDITION...THUNDERSTORMS HAD REDEVELOPED OVER NORTHERN BARNES AND SOUTHERN GRIGGS COUNTIES AND WILL MOVE OVER AREAS ALREADY SATURATED BY THUNDERSTORMS YESTERDAY AND THIS MORNING. MOTORISTS SHOULD BE ALERT FOR FLOODED ROADS. DO NOT ATTEMPT TO CROSS FLOODED ROADWAYS. THE STORMS WERE MOVING NORTHEAST AT ABOUT 20 MPH. SOME COMMUNITIES IN PATH OF THESE STORMS INCLUDE DAZEY...HANNAFORD...HOPE... MAYVILLE AND HATTON. < ELSEWHERE...SHOWERS AND THUNDERSTORMS...SOME4 WITH HEAVY RAIN CONTINUED OVER NORTHEAST NORTH DAKOTA...FROM EAST OF DEVILS LAKE NORTH TO THE CANADIAN BORDER. THESE STORMS WERE ALSO MOVING NORTHEAST AT ABOUT 20 MPH. HW
Special weather statement, Jul 24, 6:40 AM CDT, 3 hours 45 minutes before
NDZ012-013-014-015-016-017-018-MNZ001-006-007-010-011-013-241245- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE FARGO ND 640 AM CDT SAT JUL 24 1993 ...A FLASH FLOOD WATCH IS IN EFFECT FOR SOUTHEAST AND SOUTH CENTRAL NORTH DAKOTA TODAY AND TONIGHT... AT 625 AM CDT...AN AREA OF THUNDERSTORMS WITH VERY HEAVY RAIN CONTINUED OVER EAST CENTRAL AND NORTHEAST NORTH DAKOTA. THE HEAVIEST RAIN WAS LOCATED FROM 30 MILES NORTH OF VALLEY CITY IN SOUTHERN GRIGGS COUNTY NEAR THE COMMUNTIES OF DAZEY AND HANNAFORD...NORTHEAST TO SOUTHERN GRAND FORKS COUNTY NEAR NORTHWOOD OR 30 MILES SOUTHWEST OF GRAND FORKS. THE HEAVY RAINS ARE OVER AREAS WITH SOIL ALREADY SATURATED FROM PREVIOUS STORMS. MOTORISTS SHOULD BE ALERT FOR CHANGING CONDITIONS. DO NOT CROSS FLOODED ROADWAYS. THE STORMS WERE MOVING NORTHEAST AT ABOUT 20 MPH. SOME COMMUNITIES IN PATH OF THE HEAVY RAIN INCLUDE HOPE..FINLEY AND HATTON. < ELSEWHERE...SHOWERS AND THUNDERSTORMS...SOME WITH HEAVY RAIN CONTINUED OVER NORTHEAST NORTH DAKOTA...FROM EAST OF DEVILS LAKE NORTH TO THE INTERNATIONAL BORDER NEAR PEMBINA. THIS PRECIPITATION WAS ALSO MOVING NORTHEAST AT ABOUT 20 MPH. HW
Special weather statement, Jul 24, 7:39 AM CDT, 2 hours 46 minutes before
NDZ012-013-014-015-016-017-018-MNZ001-006-007-010-011-013-241345- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE FARGO ND 740 AM CDT SAT JUL 24 1993 ...A FLASH FLOOD WATCH IS IN EFFECT FOR SOUTHEAST AND SOUTH CENTRAL NORTH DAKOTA TODAY AND TONIGHT... AT 725 AM CDT...AN AREA OF THUNDERSTORMS WITH VERY HEAVY RAIN CONTINUED OVER EAST CENTRAL AND NORTHEAST NORTH DAKOTA. THE HEAVIEST RAIN WAS LOCATED FROM 40 MILES NORTH OF VALLEY CITY IN GRIGGS COUNTY NEAR THE COMMUNITY OF COOPERSTOWN...NORTHEAST TO GRAND FORKS IN NORTHEAST NORTH DAKOTA. THE HEAVY RAINS ARE OVER AREAS WITH SOIL ALREADY SATURATED FROM PREVIOUS STORMS. MOTORISTS SHOULD BE ALERT FOR CHANGING CONDITIONS. DO NOT CROSS FLOODED ROADWAYS. THE STORMS WERE MOVING NORTHEAST AT ABOUT 20 MPH. SOME COMMUNITIES IN PATH OF THE HEAVY RAIN INCLUDE HOPE..FINLEY...SHARON...HATTON AND GRAND FORKS. < ELSEWHERE...SHOWERS AND THUNDERSTORMS...SOME WITH HEAVY RAIN CONTINLUED OVER NORTHEAST NORTH DAKOTA...FROM 25 MILES EAST OF DEVILS LAKE NORTHEAST TO THE INTERNATIONAL BORDER NEAR PEMBINA. THIS PRECIPITATION WAS ALSO MOVING NORTHEAST AT ABOUT 20 MPH. HW
Special weather statement, Jul 24, 9:00 AM CDT, 1 hour 25 minutes before
NDZ012-013-014-015-016-017-018-MNZ001-006-007-010-011-013-241450- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE FARGO ND 900 AM CDT SAT JUL 24 1993 ...A FLASH FLOOD WATCH IS IN EFFECT FOR SOUTHEAST AND SOUTH CENTRAL NORTH DAKOTA TODAY AND TONIGHT... ...HEAVY RAINS PERSIST OVER EXTREME NORTHERN BARNES AND SOUTHERN GRIGGS COUNTIES OVERNIGHT... HEAVY RAIN HAVE PERSISTED OVER EXTREME NORTHERN BARNES AND SOUTHERN GRIGGS COUNTIES OVER EAST CENTRAL NORTH DAKOTA FOR THE LAST 4 TO 6 HOURS. AT 830 AM CDT RAINFALL HAD TOTALED OVER 3 INCHES AT WALUM NORTH DAKOTA... JUST SOUTH OF COOPERSTOWN. THUNDERSTORMS CONTINUE TO DEVELOP BETWEEN JAMESTOWN AND COOPERSTOWN AND MOVE OVER NORTHERN BARNES AND SOUTHERN GRIGGS COUNTIES THIS MORNING. THUNDERSTORMS WITH HEAVY RAIN WERE ALSO MOVING OVER STEEL AND GRAND FORKS COUNTIES...HOWEVER THESE STORMS HAVE ONLY BECOME PERSISTANT DURING THE PAST 2 TO 3 HOURS AND WERE NOT AS HEAVY. IF YOU LIVE IN GRIGGS...STEELE...OR NORTHERN BARNES COUNTIES KEEP AN EYE OUT FOR RAPIDLY RISING WATER LEVELS. LOW LAND FLOODING AND RAPID RISES IN RIVERS OR STREAMS COULD OCCUR WITHOUT ADVANCE NOTICE. IF YOU ARE IN AN AREA THAT IS FLOOD PRONE YOU SHOULD MOVE NOW TO HIGHER GROUND. CAMPERS SHOULD BE PARTICULARLY ALERT THIS MORNING AND GET TO A SAFE PLACE...DO NOT WAIT FOR WATER TO BEGIN RISING. SHOWERS AND THUNDERSTORMS...SOME WITH HEAVY RAIN EXTENDED FROM 25 MILES NORTHEAST OF JAMESTOWN NORTH DAKOTA TO JUST NORTH OF THIEF RIVER FALLS MINNESOTA. MOVEMENT WAS NORTHEAST AT 20 MILES AN HOUR. D MORIN
Special weather statement, Jul 24, 9:53 AM CDT, 32 minutes before
NDZ012-013-014-015-016-017-018-MNZ001-006-007-010-011-013-241550- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE FARGO ND 950 AM CDT SAT JUL 24 1993 ...A FLASH FLOOD WATCH IS IN EFFECT FOR SOUTHEAST AND SOUTH CENTRAL NORTH DAKOTA TODAY AND TONIGHT... ...FLASH FLOOD POTENTIAL IS HIGH OVER GRIGGS COUNTY OF EAST CENTRAL NORTH DAKOTA THIS MORNING... A STRONG THUNDERSTORM WITH VERY HEAVY RAIN WAS MOVING OVER SOUTHERN GRIGGS COUNTY AT 928 AM CDT...IN A AREA WHICH HAS ALREADY RECIEVED HEAVY RAINS OVERNIGHT. THE LIKELYHOOD OF RAPID FLOODING OF LOW AREAS...STREAMS AND RIVERS IS HIGH OVER THE SOUTHERN PART OF GRIGGS COUNTY AND POINTS SOUTHWARD INTO NORTHERN BARNES COUNTY. AS OF 945 AM CDT NO REPORTS OF FLOODING HAVE BEEN RECIEVED BY THIS OFFICE... . HOWEVER...IF YOU LIVE IN SOUTHERN GRIGGS OR NORTHERN BARNES COUNTIES KEEP AN EYE OUT FOR RAPIDLY RISING WATER LEVELS. RAPID RISES IN RIVERS OR STREAMS COULD OCCUR WITHOUT ADVANCE NOTICE. YOU SHOULD MOVE NOW TO HIGHER GROUND. CAMPERS SHOULD BE PARTICULARLY ALERT AND GET TO A SAFE PLACE...DO NOT WAIT FOR WATER TO BEGIN RISING. OTHER SHOWERS AND THUNDERSTORMS...SOME WITH HEAVY RAIN...CONTINUED OVER MUCH OF NORTHEAST AND EAST CENTRAL NORTH DAKOTA...AND WERE DEVELOPING OVER SOUTHEAST NORTH DAKOTA. MOVEMENT OF ALL THE SHOWERS AND THUNDERSTORMS WAS NORTHEAST AT 15 TO 20 MILES AN HOUR. D MORIN
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 24, 11:00 AM CDT | Flash Flood Warning | FGF | Grand Forks, Steele, Traill | 4 hr |
| Jul 24, 11:00 AM CDT | Flash Flood Warning | FGF | Barnes, Griggs | 4 hr |
| Jul 24, 1:11 PM CDT | Flash Flood Warning | FGF | Cass | 3 hr |
| Jul 24, 4:30 PM CDT | Flash Flood Warning | FGF | Sargent | 3 hr |
| Jul 24, 6:30 PM CDT | Flash Flood Warning | FGF | Cass, Richland | 4 hr |
Nearby
Flash Flood Warnings in North Dakota, 1993Every flash flood warning in 1993
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.