Alert archive / Mississippi / Flash Flood Warnings in 1989
Flash Flood Warning 3, NWS Jackson, MS
NWS Jackson, MS issued this flash flood warning at Apr 9, 1989, 2:25 PM CDT for Jefferson Davis County, Lawrence County, Mississippi. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- Apr 9, 1989, 2:25 PM CDT (19:25 UTC)
- Expired
- Apr 9, 1989, 4:30 PM CDT
- In force
- 2 hr
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 7.4 hours before the alert went out and 85 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
- 641 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 45 m²/s²
- 0-3 km storm-relative helicity
- 179 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 KJAN 091926
FFWJAN
MSC065-077-092130-
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
225 PM CDT SUN APR 9 1989
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 430 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN SOUTH CENTRAL MISSISSIPPI
...JEFFERSON.DAVIS...LAWRENCE
AT 220 PM CDT...RADAR INDICATED SCATTERED THUNDERSTORMS REDEVELOPING
BACK OVER SOUTH CENTRAL MISSISSIPPI. THE STRONGEST STORMS WERE NEAR
MONTICELLO MOVING NORTHEAST TOWARD PRENTISS AND BASSFIELD.
PARTS OF BOTH LAWRENCE AND JEFFERSON DAVIS COUNTIES WERE HIT WITH 2 TO
3 INCHES OF RAIN EARLIER THIS MORNING. THIS ADDITIONAL RAIN WILL
LIKELY CAUSE FLOODING TO DEVELOP...ESPECIALLY NEAR
TOWNS AND SMALL CREEKS.
DO NOT DRIVE YOUR CAR INTO AREAS WHERE WATER COVERS THE ROAD.
THE WATER DEPTH MAY BE TOO DEEP TO ALLOW YOU TO CROSS SAFELY.
VEHICLES CAUGHT IN RISING WATER MUST BE ABANDONED QUICKLY.
<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, Apr 9, 8:38 AM CDT, 5 hours 47 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE JACKSON MS 835 AM CDT SUN APR 9 1989 ...SEVERAL STRONG THUNDERSTORMS CONTINUE TO RUMBLE ACROSS SOUTHERN MISSISSIPPI... AT 830 AM...STRONG THUNDERSTORMS WERE SCATTERED ACROSS SOUTH MISSISSIPPI BETWEEN WOODVILLE AND LAUREL. THE STRONGEST STORMS WERE JUST WEST OF MCCOMB...NEAR MONTICELLO...NEAR BASSFIELD...AND JUST NORTH OF COLLINS. ALL OF THESE STORMS WERE PRODUCING OCCASIONAL CLOUD-TO-GROUND LIGHTNING ...GUSTY WINDS...AND POSSIBLY SOME SMALL HAIL. THESE STORMS WERE PART OF A LARGE AREA OF RAIN LOCATED OVER THE SOUTHERN HALF OF MISSISSIPPI...EXTENDING EAST INTO WEST CENTRAL ALABAMA. MOVEMENT WAS NORTHEAST AT 30 MILES AN HOUR.
Special weather statement, Apr 9, 9:41 AM CDT, 4 hours 44 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE JACKSON MS 935 AM CDT SUN APR 9 1989 ...BAND OF INTENSE THUNDERSTORMS CONTINUES TO PRODUCE PERIODS OF HEAVY RAIN ACROSS SOUTHERN MISSISSIPPI... AT 930 AM...A 25 MILE WIDE BAND OF STRONG THUNDERSTORMS WAS STILL INDICATED ACROSS SOUTHERN MISSISSIPPI FROM LIBERTY TO LAUREL. THE STRONGEST STORMS WERE NEAR LIBERTY...NORTH OF MCCOMB...WEST OF BASSFIELD ...NEAR COLLINS...AND JUST NORTH OF LAUREL. THESE STORMS CONTINUED TO PRODUCE OCCASIONAL CLOUD-TO-GROUND LIGHTNING...GUSTY WINDS...POSSIBLY SOME SMALL HAIL. ADDITIONALLY...SOME MINOR FLOODING IS PROBABLY BEGINNING TO OCCUR OVER THIS PART OF SOUTH MISSISSIPPI. IF THE THUNDERSTORMS CONTINUE TO PERSIST MUCH LONGER...FLASH FLOOD WARNINGS WILL BECOME NECESSARY. MOVEMENT WAS NORTHEAST AT 30 MILES AN HOUR.
Special weather statement, Apr 9, 11:06 AM CDT, 3 hours 19 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 1105 AM CDT SUN APR 9 1989 ...SATURATED CONDITIONS OVER SOUTHERN MISSISSIPPI LATE THIS MORNING... AT 1100 AM...AN AREA OF THUNDERSTORMS CONTINUED TO PERSIST OVER SOUTHERN MISSISSIPPI FROM MCCOMB TO BAY SPRINGS. THE STORMS WERE STILL PRODUCING PERIODS OF HEAVY RAIN AND FREQUENT CLOUD-TO-GROUND LIGHTNING. RADAR ESTIMATES OF RAINFALL INDICATE AN AVERAGE OF 2 TO 3 INCHES OF RAIN HAS FALLEN OVER PARTS OF SOUTH MISSISSIPPI FROM LIBERTY TO LAUREL SINCE 8 OCLOCK THIS MORNING. ADDITIONAL MODERATE TO HEAVY RAINFALL OVER THIS SAME AREA WILL LIKELY CAUSE FLOODING PROBLEMS. THE BACK EDGE OF THE THUNDERSTORM AREA HAS BEEN MOVING EASTWARD...AS A WEAK AREA OF LOW PRESSURE ON THE COLD FRONT OVER SOUTHEAST LOUISIANA MOVES EASTWARD. INDICATIONS ARE THAT THE THUNDERSTORMS WILL BE SPREADING INTO SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA OVER THE NEXT HOUR OR TWO...REDUCINGF THE FLOOD THREAT OVER SOUTHWEST AND SOUTH CENTRAL MISSISSIPPI FOR THE TIME BEING.
Nearby
Flash Flood Warnings in Mississippi, 1989Every flash flood warning in 1989
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.