Alert archive / North Dakota / Flash Flood Warnings in 1993
Flash Flood Warning 5, NWS Grand Forks, ND
NWS Grand Forks, ND issued this flash flood warning at Jul 24, 1993, 4:30 PM CDT for Sargent County, North Dakota. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Jul 24, 1993, 4:30 PM CDT (21:30 UTC)
- Expired
- Jul 24, 1993, 7:15 PM CDT
- In force
- 3 hr
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties
County Sargent County, ND
The nearest sounding before it
Aberdeen, SD (KHON), launched 12:00Z, 9.5 hours before the alert went out and 147 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
- 1475 J/kg
- Mixed-layer CIN
- -46 J/kg
- Mixed-layer LCL
- 790 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 75 m²/s²
- 0-3 km storm-relative helicity
- 77 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 242131 FFWFAR MNC027-NDC081-250015- BULLETIN - EBS ACTIVATION REQUESTED FLOOD WARNING NATIONAL WEATHER SERVICE FARGO ND 430 PM CDT SAT JUL 24 1993 THE NATIONAL WEATHER SERVICE IN FARGO HAS ISSUED A FLOOD WARNING EFFECTIVE UNTIL 700 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHWEST MINNESOTA ...EASTERN CLAY COUNTY IN SOUTHEAST NORTH DAKOTA ...SARGENT COUNTY AT 430 PM CDT THE COOPERATIVE OBSERVER AT CAYUGA REPORTED 1.60 INCHES OF RAIN IN THE LAST SEVERAL HOURS...WITH UN OFFICIAL REPORTS OF 6 INCHES OF RAIN 4 MILES SOUTH OF CAYUGA. RADAR AND SATELLITE ESTIMATES SHOW A LARGE AREA OF 2 TO 4 INCH RAINFALLS IN THAT AREA WITH STRONG THUNDERSTORMS MOVING INTO SARGENT COUNTY. IN ADDITION...FLOODING HAS BEEN REPORTED IN EASTERN CLAY COUNTY IN AND AROUND HAWLEY MINNESOTA. HIGHWAY 10 IN THE HAWLEY AREA IS REPORTED UNDERWATER. THE STRONG THUNDERSTORMS WERE SLOWLY MOVING EAST OF THAT AREA AS OF 430 PM CDT. 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. 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, 10:52 AM CDT, 5 hours 38 minutes before
NDZ012-013-014-015-016-017-018-MNZ001-006-007-010-011-013-241650- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE FARGO ND 1050 AM CDT SAT JUL 24 1993 ...FLASH FLOOD WARNING UNTIL 200 PM CDT FOR GRIGGS...STEELE AND NORTHERN BARNES COUNTIES OF EAST CENTRAL NORTH DAKOTA.. ...VERY HEAVY RAIN CONTINUES OVER THE WARNED AREA... STRONG THUNDERSTORMS WITH VERY HEAVY RAIN REMAIN OVER GRIGGS AND STEELE COUNTIES AND FLOODING IS LIKELY IN THOSE COUNTIES AND COMMUNITIES DOWN STREAM. AT 1040 AM CDT AN UNCONFIRMED READING OF OVER 10 INCHES OF RAINFALL IN THE FINLEY NORTH DAKOTA AREA WAS RECIEVED BY THIS OFFICE. THIS IS A DANGEROUS SITUATION...MOVE TO HIGHER GROUND IF YOU AREA IN THE AFFECTED AREA. PERSONS IN THE TRAILL AND GRAND FORKS COUNTIES SHOULD BE MAKING PREPARATIONS TO ALSO MOVE TO SAFETY. . THE STORMS ARE MOVING NORTHEAST AT 15 TO 20 MPH AND WILL REACH TRAILL AND GRAND FORKS COUNTIES OVER THE NEXT ONE TO TWO HOURS. 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 ATL 15 TO 20 MILES AN HOUR. D MORIN
Special weather statement, Jul 24, 3:11 PM CDT, 1 hour 19 minutes before
NDZ015-016-017-018-MNZ001-006-007-010-250000- SPECIAL WEATHER STATEMENT FOR FLOODING NATIONAL WEATHER SERVICE FARGO ND 310 PM CDT SAT JUL 24 1993 ...FLOOD WARNING ENDED AT 300 PM CDT GRIGGS...STEELE...TRAILL AND GRAND FORKS COUNTIES... ...FLOOD WARNING EXPIRES AT 415 PM CDT FOR CASS COUNTY... HEAVY RAINS HAVE MOVED INTO NORTHWEST MINNESOTA AS OF 300 PM CDT... HOWEVER MORE INTENSE THUNDERSTORMS WERE DEVELOPING OVER SOUTHEAST NORTH DAKOTA AND NORTHEAST SOUTH DAKOTA. ALTHOUGH THE FLOODING RAINS HAVE TEMPORARLY ENDED...FLOODING WAS REPORTED WIDESPREAD ACROSS GRIGGS.. STEELE AND PART OF CASS COUNTIES ESPECIALLY IN OPEN COUNTY AND LOW SPOTS NEAR RIVERS AND STREAMS. FLOODING WILL CONTINUE ESPECIALLY OVER EASTERN GRIGGS...MUCH OF STEELE AND PARTS OF CASS COUNTY. IN THE WEST FARGO AREA AND HARWOOD AREA OF CASS COUNTY FLOODING IS REPORTED WITH SOME EVACUATIONS UNDERWAY. THE STRONG THUNDERSTORMS DEVELOPING OVER NORTHEAST SOUTH DAKOTA AND SOUTHEAST NORTH DAKOTA ARE FORECAST TO MOVE INTO PARTS OF EAST CENTRAL NORTH DAKOTA BY LATE AFTERNOON AND THROUGH THE EVENING. ANY RAINFALL WILL CAUSE ADDITIONAL FLOODING ESPECIALLY IN RURAL CASS COUNTY... HOWEVER URBAN FLOODING IS ALSO A POSSIBILITY. STAY TUNED TO RADIO AND T.V. AS WELL AS NOAA WEATHER RADIO FOR LATER STATEMENTS AND POSSIBLE WARNINGS. EWENS
Special weather statement, Jul 24, 3:46 PM CDT, 44 minutes before
NDZ012-013-014-015-016-017-018-MNZ001-006-007-010-011-013-242150- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE FARGO ND 350 PM CDT SAT JUL 24 1993 ...FLASH FLOOD WARNING FOR CASS COUNTY EXPIRES AT 415 PM CDT... ...ATMOSPHERE SETTING UP FOR NEXT ROUND OF HEAVY RAIN... AT 326 PM CDT...STRONG THUNDERSTORMS WITH VERY HEAVY RAIN WERE DEVELOPING OVER NORTHEAST SOUTH DAKOTA AND BEGINNING TO CROSS INTO SOUTHEAST NORTH DAKOTA. STORMS EXTENDED FROM ABERDEEN SOUTH DAKOTA TO THE LIDGERWOOD AREA OF EXTREME SOUTHEAST NORTH DAKOTA. MODERATE TO HEAVY RAIN WAS REPORTED NEAR LIDGERWOOD IN THE NEARBY TOWNS OF MILNOR AND RUTLAND. THESE THUNDERSTORMS WERE MOVING NORTH AT 15 MILES AN HOUR AND WILL MOVE TOWARD ALREADY FLOODED AREAS OF SOUTHEAST NORTH DAKOTA OVER THE NEXT ONE TO TWO HOURS. THE STORMS WILL REACH THE FARGO/MOORHEAD AREA BETWEEN 600 AND 630 PM CDT. THE INFLUENCE OF THE THESE STORMS...THE VERY HEAVY RAIN IN PARTICILAR...WILL BE FELT AS FAR WEST OF AS VALLEY CITY NORTH DAKOTA AT THAT TIME. 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 GO TO A SAFE PLACE NOW. CHECK YOUR BASEMENT SUMP PUMPS AND DRAINAGE AROUND YOUR HOME TO BE SURE IT IS IN GOOD WORKING ORDER. 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, 10:25 AM CDT | Flash Flood Warning | FGF | Barnes, Griggs, Steele | 4 hr |
| 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, 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.