Alert archive / North Dakota / Flash Flood Warnings in 1993
Flash Flood Warning 9, NWS Grand Forks, ND
NWS Grand Forks, ND issued this flash flood warning at Jul 24, 1993, 9:30 PM CDT for Griggs County, Steele County, North Dakota. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Jul 24, 1993, 9:30 PM CDT (02:30 UTC)
- Expired
- Jul 25, 1993, 2:00 AM CDT
- In force
- 5 hr
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties
Counties Griggs County, ND, Steele County, ND
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 00:00Z, 2.5 hours before the alert went out and 219 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
- 0 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 5 m²/s²
- 0-3 km storm-relative helicity
- 88 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 250235 FFWFAR NDC039-091-250700- BULLETIN - EBS ACTIVATION REQUESTED FLOOD WARNING NATIONAL WEATHER SERVICE FARGO ND 930 PM CDT SAT JUL 24 1993 THE NATIONAL WEATHER SERVICE IN FARGO HAS ISSUED A FLOOD WARNING EFFECTIVE UNTIL 200 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN EAST CENTRAL NORTH DAKOTA ...GRIGGS COUNTY...STEELE COUNTY AT 930 PM CDT...RADAR INDICATED THUNDERSTORMS WITH VERY HEAVY RAIN CONTINUED OVER EAST CENTRAL NORTH DAKOTA IN GRIGGS AND STEELE COUNTIES. THESE THUNDERSTORMS WERE MOVING OVER AREAS WHICH HAVE ALLREADY RECEIVED EXCESSIVE RAINFALL AMOUNTS. MANY ROADS AND BRIDGES IN STEELE AND GRIGGS COUNTIES ARE EITHER FLOODED OR WASHED OUT. THESE THUNDERSTORMS WERE MOVING NORTHEAST AT ONLY 10 TO 15 MILES AN HOUR. HEAVY RAINS CAN BE EXPECTED IN THE COOPERSTOWN...SHARON...FINLEY AND HOPE AREAS THROUGH 11 PM CDT. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED...ACT QUICKLY. MOVE UP TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. A FLOOD WARNING MEANS THAT FLOODING IS IMMINENT. IT'S IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS. CAMPERS SHOULD AVOID CAMPING ALONG STREAMS OR CREEKS DURING THREATENING RAINS. VOELKER
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, 4:45 PM CDT, 4 hours 45 minutes before
NDZ012-013-014-015-016-017-018-MNZ001-006-007-010-011-013-242240- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE FARGO ND 440 PM CDT SAT JUL 24 1993 ...A FLASH FLOOD WATCH IS IN EFFECT FOR MUCH OF EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA FOR TONIGHT... AT 425 PM CDT...HEAVY RAINS WERE OCCURRING OVER PARTS OF EASTERN CLAY AND WESTERN BECKER COUNTIES OF NORTHWEST MINNESOTA. THIS RAIN WAS MOVING SLOWLY NORTHEAST AND MAY CAUSE FLOODING IN LOW LYING AREAS AND ALONG STREAMS AND RIVERS. ALSO...HEAVY RAINS WERE MOVING INTO SOUTHEAST NORTH DAKOTA...ESPECIALLY OVER DICKEY AND SARGENT COUNTIES WHERE THE GROUND IS ALREADY HEAVILY SATURATED. PERSONS OVER DICKEY AND SARGENT COUNTIES OF SOUTHEAST NORTH DAKOTA AND CLAY AND WESTERN BECKER COUNTIES OF NORTHWEST MINNESOTA SHOULD PREPARE FOR FLOODING CONDITIONS OVER THE NEXT FEW HOURS AND BE READY TO MOVE TO A PLACE OF SAFETY IF FLOODING OCCURS. OTHER SHOWERS AND THUNDERSTORMS WERE INCREASING IN AREAL COVERAGE OVER NORTHEAST SOUTH DAKOTA AND MOVING NORTH INTO SOUTHEAST NORTH DAKOTA. THESE THUNDERSTORMS ALSO CONTAINED HEAVY RAIN AND COULD CAUSE FLOODING OVER LOW LYING AREAS AND ALONG STREAMS AND RIVERS. MANY ROADWAYS IN OUR AREA ARE UNDER WATER. DO NOT VENTURE OUT UNLESS THERE IS AN EMERGENCY. STAY ALERT FOR THE POSSIBLITY OF RAPIDLY RISING WATER IF YOU ARE IN A LOW LYING AREA OR NEAR A STREAM OR RIVER. YOU SHOULD BE PREPARED TO MOVE TO SAFE PLACE. CHECK YOUR BASEMENT SUMP PUMPS AND DRAINAGE AROUND YOUR HOME TO BE SURE IT IS IN GOOD WORKING ORDER. SPIES
Special weather statement, Jul 24, 5:46 PM CDT, 3 hours 44 minutes before
NDZ012-013-014-015-016-017-018-MNZ001-006-007-010-011-013-242340- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE FARGO ND 540 PM CDT SAT JUL 24 1993 ...A FLASH FLOOD WATCH IS IN EFFECT FOR MUCH OF EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA FOR TONIGHT... ...A SEVERE THUNDERSTORM WATCH IN EFFECT FOR SOUTHEAST NORTH DAKOTA AND NORTHEAST SOUTH DAKOTA UNTIL 11 PM CDT... AT 527 PM CDT...SHOWERS AND NUMEROUS THUNDERSTORMS WHICH CONTAIN VERY HEAVY RAIN WERE OCCURRING OVER SOUTHEAST NORTH DAKOTA...NORTHEAST SOUTH DAKOTA AND A PORTION OF NORTH CENTRAL AND NORTHWEST MINNESOTA. THE THUNDERSTORMS WITH THE HEAVIEST RAIN APPEAR TO BE MOVING INTO SOUTH- EAST NORTH DAKOTA...MAINLY OVER DICKEY...LA MOURE...SARGENT...MCINTOSH AND SOUTHERN BARNES COUNTIES. IN NORTHWEST MINNESOTA BOTH CLAY AND BECKER COUNTIES WERE EXPERIENCING VERY HEAVY RAINS. . SCATTERED SHOWERS AND THUNDERSTORMS WERE ALSO OCCURRING OVER NORTH- EAST NORTH DAKOTA BETWEEN GRAND FORKS AND DEVILS LAKE...NORTHWARD TO THE CANADIAN LINE. MANY ROADWAYS ARE ALREADY UNDER WATER IN MANY AREAS. REMEMEMBER... DO NOT ATTEMPT TO DRIVE THROUGH ROADS THAT ARE SUBMERGED IN WATER. STAY ALERT FOR THE POSSIBVLITY OF RAPIDLY RISING WATER IF YOU ARE IN A LOW LYING AREA OR NEAR A STREAM OR RIVER. YOU SHOULD BE PREPARED TO MOVE TO SAFE PLACE. CHECK YOUR BASEMENT SUMP PUMPS AND DRAINAGE AROUND YOUR HOME TO BE SURE IT IS IN GOOD WORKING ORDER. SPIES
Special weather statement, Jul 24, 6:43 PM CDT, 2 hours 47 minutes before
NDZ012-013-014-015-016-017-018-MNZ001-006-007-010-011-013-250040- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE FARGO ND 640 PM CDT SAT JUL 24 1993 ...A FLASH FLOOD WATCH IS IN EFFECT FOR MUCH OF EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA FOR TONIGHT... ...A SEVERE THUNDERSTORM WATCH IN EFFECT FOR SOUTHEAST NORTH DAKOTA AND NORTHEAST SOUTH DAKOTA UNTIL 11 PM CDT... AT 527 PM CDT...THUNDERSTORMS WITH VERY HEAVY RAIN CONTINUE TO MOVE INTO EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA ALONG WITH NORTHEAST SOUTH DAKOTA. AREAL COVERAGE HAD INCREASED CONSIDERABLY SINCE 530 PM. THE HEAVIEST RAIN APPEARED TO BE OVER STEELE...CASS..NORTHERN RICHLAND AND EASTERN LA MOURE AND DICKEY COUNTIES OF SOUTHEAST NORTH DAKOTA AND CLAY AND BECKER COUNTIES OF NORTHWEST MINNESOTA. MANY UNDER PASSES HAVE FLOODED IN THE FARGO/MOORHEAD AREA AND MANY STREETS AND INTER-SECTIONS WERE UNDER WATER. THESE THUNDERSTORMS WITH VERY HEAVY RAIN WERE MOVING VERY SLOW TO THE NORTHEAST AND WILL PRODUCE RAINFALLS IN THE 1 TO 3 INCH RANGE OVER THE NEXT HOUR OR TWO. STAY ALERT FOR THE POSSIBLITY OF RAPIDLY RISING WATER IF YOU ARE IN A LOW LYING AREA OR NEAR A STREAM OR RIVER. YOU SHOULD BE PREPARED TO MOVE TO SAFE PLACE. CHECK YOUR BASEMENT SUMP PUMPS AND DRAINAGE AROUND YOUR HOME TO BE SURE IT IS IN GOOD WORKING ORDER. SPIES
Special weather statement, Jul 24, 6:49 PM CDT, 2 hours 41 minutes before
NDZ012-013-014-015-016-017-018-MNZ001-006-007-010-011-013-250040- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY...CORRECTION TO TIME NATIONAL WEATHER SERVICE FARGO ND 640 PM CDT SAT JUL 24 1993 ...A FLASH FLOOD WATCH IS IN EFFECT FOR MUCH OF EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA FOR TONIGHT... ...A SEVERE THUNDERSTORM WATCH IN EFFECT FOR SOUTHEAST NORTH DAKOTA AND NORTHEAST SOUTH DAKOTA UNTIL 11 PM CDT... AT 626 PM CDT...THUNDERSTORMS WITH VERY HEAVY RAIN CONTINUE TO MOVE INTO EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA ALONG WITH NORTHEAST SOUTH DAKOTA. AREAL COVERAGE HAD INCREASED CONSIDERABLY SINCE 530 PM. THE HEAVIEST RAIN APPEARED TO BE OVER STEELE...CASS..NORTHERN RICHLAND AND EASTERN LA MOURE AND DICKEY COUNTIES OF SOUTHEAST NORTH DAKOTA AND CLAY AND BECKER COUNTIES OF NORTHWEST MINNESOTA. MANY UNDER PASSES HAVE FLOODED IN THE FARGO/MOORHEAD AREA AND MANY STREETS AND INTER-SECTIONS WERE UNDER WATER. THESE THUNDERSTORMS WITH VERY HEAVY RAIN WERE MOVING VERY SLOW TO THE NORTHEAST AND WILL PRODUCE RAINFALLS IN THE 1 TO 3 INCH RANGE OVER THE NEXT HOUR OR TWO. STAY ALERT FOR THE POSSIBLITY OF RAPIDLY RISING WATER IF YOU ARE IN A LOW LYING AREA OR NEAR A STREAM OR RIVER. YOU SHOULD BE PREPARED TO MOVE TO SAFE PLACE. CHECK YOUR BASEMENT SUMP PUMPS AND DRAINAGE AROUND YOUR HOME TO BE SURE IT IS IN GOOD WORKING ORDER. SPIES
Special weather statement, Jul 24, 7:43 PM CDT, 1 hour 47 minutes before
NDZ012-013-014-015-016-017-018-MNZ001-006-007-010-011-013-250140- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE FARGO ND 740 PM CDT SAT JUL 24 1993 ...A FLASH FLOOD WATCH IS IN EFFECT FOR MUCH OF EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA FOR TONIGHT... ...A SEVERE THUNDERSTORM WATCH IN EFFECT FOR SOUTHEAST NORTH DAKOTA AND NORTHEAST SOUTH DAKOTA UNTIL 11 PM CDT... AT 725 PM CDT...NUMEROUS THUNDERSTORMS WITH VERY HEAVY RAIN WERE SCATTERED OVER EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA ALONG WITH NORTHEAST SOUTH DAKOTA. AREAL COVERAGE HAD INCREASED SINCE 630 PM. THE HEAVIEST RAIN OVER SOUTHEAST AND EAST CENTRAL NORTH DAKOTA WAS OCCURRING OVER THE COUNTIES OF GRIGGS...STEELE...TRAILL...CASS... RICHLAND AND EASTERN RANSOM. IN NORTHWEST MINNESOTA THE HEAVIEST RAIN WAS OVER MAHNOMEN...BECKER AND NORTHERN OTTER TAIL COUNTIES. . THESE THUNDERSTORMS WITH VERY HEAVY RAIN WERE MOVING VERY SLOW TO THE NORTHEAST AND ARE CAPABLE OF PRODUCING RAINFALL AMOUNTS IN THE 1 TO 3 INCH RANGE WITH ISOLATED AMOUNTS OF MORE THAN 4 INCHES. DONT BE CAUGHT OFF GUARD AND STAY ALERT FOR THE POSSIBLITY OF RAPIDLY RISING WATER IF YOU ARE IN A LOW LYING AREA OR NEAR A~ STREAM OR RIVER. YOU SHOULD BE PREPARED TO MOVE TO A SAFE PLACE. CHECK YOUR BASEMENT SUMP PUMPS AND DRAINAGE AROUND YOUR HOME. SPIES
Special weather statement, Jul 24, 8:43 PM CDT, 47 minutes before
NDZ012-013-014-015-016-017-018-MNZ001-006-007-010-011-013-250240- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE FARGO ND 840 PM CDT SAT JUL 24 1993 ...A FLASH FLOOD WATCH IS IN EFFECT FOR MUCH OF EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA FOR TONIGHT... ...A SEVERE THUNDERSTORM WATCH IN EFFECT FOR SOUTHEAST NORTH DAKOTA AND NORTHEAST SOUTH DAKOTA UNTIL 11 PM CDT... AT 826 PM CDT...A LARGE AREA OF SCATTERED SHOWERS AND THUNDERSTORMS... SOME WITH VERY HEAVY RAIN CONTINUED OVER EASTERN NORTH DAKOTA..NORTH- WEST MINNESOTA AND NORTHEAST SOUTH DAKOTA. THE HEAVIEST RAIN IN EASTERN NORTH DAKOTA WAS OCCURRING OVER SOUTHEAST RICHLAND...NORTHWEST CASS...GRIGGS..STEELE...NELSON AND WESTERN WALSH COUNTIES. IN NORTHWEST MINNESOTA VERY HEAVY RAIN WAS FALLING OVER BECKER AND WESTERN POLK COUNTIES. . INTENSITY OF THESE THUNDERSTORMS HAD DECREASED SLIGHTLY SINCE 730 PM BUT ARE STILL CAPABLE OF PRODUCING RAINFALL AMOUNTS IN THE 1 TO 3 INCH RANGE. MOVEMENT OF THIS HEAVY RAIN WAS NORTHEAST AT AROUND 10 MILES AN HOUR. MANY ROADS AND INTERSECTIONS ARE UNDER WATER. DO NOT ATTEMPT TO DRIVE THROUGH WATER THAT IS OVER THE ROADWAYS. DONT BE CAUGHT OFF GUARD ANFD STAY ALERT FOR THE POSSIBLITY OF RAPIDLY RISING WATER IF YOU ARE IN A LOW LYING AREA OR NEAR A STREAM OR RIVER. YOU SHOULD BE PREPARED TO MOVE TO A SAFE PLACE. CHECK YOUR BASEMENT SUMP PUMPS AND DRAINAGE AROUND YOUR HOME. SPIES
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.