Alert archive / Mississippi / Flash Flood Warnings in 1987
Flash Flood Warning 15, NWS Jackson, MS
NWS Jackson, MS issued this flash flood warning at Nov 16, 1987, 1:35 PM CST for Claiborne County, Jefferson County, Warren County, Mississippi. It was in force for 115 min.
The area
The counties it named.
The facts
- Issued
- Nov 16, 1987, 1:35 PM CST (19:35 UTC)
- Expired
- Nov 16, 1987, 3:30 PM CST
- In force
- 115 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
Counties Claiborne County, MS, Jefferson County, MS, Warren County, MS
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, 7.6 hours before the alert went out and 87 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
- 166 J/kg
- Mixed-layer CIN
- -109 J/kg
- Mixed-layer LCL
- 707 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 412 m²/s²
- 0-3 km storm-relative helicity
- 733 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 0.7
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KJAN 161935
FFWJAN
MSC063-021-149-162130-
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
135 PM CST MON NOV 16 1987
THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING
EFFECTIVE UNTIL 330 PM CST FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN SOUTHWEST MISSISSIPPI
...JEFFERSON
IN WEST CENTRAL MISSISSIPPI
...CLAIBORNE...WARREN
THUNDERSTORMS WITH VERY HEAVY RAINS WILL MOVE ACROSS THE MISSISSIPPI
RIVER BETWEEN NATCHEZ AND VICKSBURG BEFORE 2PM CST. THESE
THUNDERSTORMS WILL PRODUCE RAINS IN EXCESS OF 3 INCHES OVER THESE
AREAS DURING THE NEXT COUPLE OF HOURS. THIS WILL CAUSE FLASH
FLOODING.DO NOT DRIVE YOUR VEHICLE INTO AREAS QWHERE THE WATER COVERS T
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.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, Nov 16, 8:04 AM CST, 5 hours 31 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 800 AM CST MON NOV 16 1987 THUNDERSTORMS CONTINUE TO SPREAD INTO MISSISSIPPI. AT 755 AM CST A LINE OF STRONG THUNDERSTORMS EXTENDED ACROSS WEST CENTRAL MISSISSIPPI FROM NEAER KOSCUISKO TO MADISON TO UTICA. THIS LINE OF THUNDERSTORM IS MOVING TO THE SOUTHEAAST AT AROUND 15 MPH AND WILL MOVE INTO THE JACKSON METROPOLITIAN AREA WITHIN THE NEXT HALF HOUR. THIS LINE OF THUNDERSTORMS WILL BE ACCOMPANIED BY VERY HEAVY RAIN... STRONG GUSTY WINDS AND FREQUENT CLOUD TO GROUND LIGHTNING. SOME FLOODING OF LOW LYING AREAS AND UNDERPASSES IS ALSO POSSIBLE...AND EARLY MORNING MOTORISTS ARE URGED TO DRIVE WITH CAUTION. ADDITIONAL ST8ATEMENTS WILL BE ISSUED AS CONDITIONS WARRANT.
Special weather statement, Nov 16, 10:33 AM CST, 3 hours 2 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE JACKSON MS 1025 AM CST MON NOV 16 1987 ...TORNADO WATCH NO. 550 IN EFFECT FOR CENTRAL MISSISSIPPI TIL 2 PM... A STRONG STORM SYSTEM OVER TEXAS AND OKLAHOMA CONTINUES TO MOVE SLOWLY EASTWARD...AND IS PRODUCING STRONG THUNDERSTORM ACTIVITY OVER PARTS OF MISSISSIPPI. AT 1025 AM...A CLUSTER OF THUNDERSTORMS EXTENDED ALONG THE MISSISSIPPI RIVER FROM NEAR VICKSBURG SOUTHWARD TO NEAR NATCHEZ. THESE THUNDERSTORMS WERE MOVING TOWARD THE EAST OR NORTHEAST AT 40 MPH...AND WILL BE MOVING INTO FRANKLIN...JEFFERSON... CLAIBORNE...WARREN...AND YAZOO COUNTIES DURING THE NEXT HOUR. PEOPLE IN THESE AREAS SHOULD BE ON THE ALERT FOR DANGEROUS WEATHER CONDITIONS AND BE READY TO MOVE TO A SAFE PLACE IF NECESSARY. IN ADDITION TO THE THREAT OF SEVERE THUNDERSTORMS AND TORNADOES TODAY...THERE IS ALSO THE POSSIBILITY OF VERY HEAVY RAINS. A FLASH FLOOD WATCH HAS BEEN ISSUED TO ALL EXCEPT THE SOUTHEASTERN COUNTIES THIS AFTERNOON AND TONIGHT.
Special weather statement, Nov 16, 11:09 AM CST, 2 hours 26 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MERIDIAN MS 1100 AM CST MON NOV 16 1987 TORNADO WATCH NUMBER 550 WHICH INCLUDES ALL COUNTIES OF EAST CENTRAL MISSISSIPPI EXCEPT WAYNE COUNTY IS IN EFFECT UNTIL 200 PM CST TODAY. AT 1105 AM NO THUNDERSTORM ACTIVITY WAS INDICATED IN OR CLOSE TO EAST CENTRAL MISSISSIPPI. HOWEVER...STRONG THUNDERSTORMS WERE LOCATED OVER WESTERN MISSISSIPPI AND WERE MOVING RAPIDLY EASTWARD AND WILL BE APPROACHING EAST CENTRAL MISSISSIPPI EARLY THIS AFTERNOON.
Special weather statement, Nov 16, 11:54 AM CST, 1 hour 41 minutes before
SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 1135 AM CST MON NOV 16 1987 ...TORNADO WATCH REMAINS IN EFFECT UNTIL 2 PM... AT 1135 AM...RADAR SHOWED A LINE OF STRONG THUNDERSTORMS OVER WEST CENTRAL MISSISSIPPI FROM NEAR YAZOO CITY SOUTHWARD TO NEAR UTICA. THE STRONGEST STORM IN THIS LINE IS LOCATED NEAR THE BIG BLACK RIVER NORTH OF FLORA...AND IS MOVING TOWARD THE NORTHEAST AT 45 MPH. RADAR INDICATES A POSSIBLE TORNADO IN THIS STORM...AND TORNADO WARNINGS REMAIN IN EFFECT FOR MADISON AND YAZOO COUNTIES. THE MAIN STORM SYSTEM IS STILL TO THE WEST OF MISSISSIPPI...BUT IS MOVING SLOWLY IN OUR DIRECTION. AS A RESULT...THE THREAT OF SEVERE THUNDERSTORMS...TORNADOES...AND FLAESH FLOODING WILL EXIST FOR THE REST OF THIS AFTERNOON AND INTO THIS EVENING.
Special weather statement, Nov 16, 12:02 PM CST, 1 hour 33 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE JACKSON MS 1135 AM CST MON NOV 16 1987 ...TORNADO WATCH REMAINS IN EFFECT UNTIL 2 PM... AT 1135 AM...RADAR SHOWED A LINE OF STRONG THUNDERSTORMS OVER WEST CENTRAL MISSISSIPPI FROM NEAR YAZOO CITY SOUTHWARD TO NEAR UTICA. THE STRONGEST STORM IN THIS LINE IS LOCATED NEAR THE BIG BLACK RIVER NORTH OF FLORA...AND IS MOVING TOWARD THE NORTHEAST AT 45 MPH. RADAR INDICATES A POSSIBLE TORNADO IN THIS STORM...AND TORNADO WARNINGS REMAIN IN EFFECT FOR MADISON AND YAZOO COUNTIES. THE MAIN STORM SYSTEM IS STILL TO THE WEST OF MISSISSIPPI...BUT IS MOVING SLOWLY IN OUR DIRECTION. AS A RESULT...THE THREAT OF SEVERE THUNDERSTORMRS...TORNADOES...AND FLASH FLOODING WILL EXIST FOR THE REST OF THIS AFTERNOON AND INTO THIS EVENING.
Special weather statement, Nov 16, 12:35 PM CST, 1 hour before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MERIDIAN MS 1230 PM CST MON NOV 16 1987 TORNADO WATCH NUMBER 551 WHICH INCLUDES ALL COUNTIES OF EAST CENTRAL MISSISSIPPI IS IN EFFECT UNTIL 800 PM CST THIS EVENING. AT 1230 PM NO THUNDERSTORM ACTIVITY WAS INDICATED IN OR CLOSE TO EAST CENTRAL MISSISSIPPI. HOWEVER...STRONG THUNDERSTORMS WERE LOCATED OVER WESTERN MISSISSIPPI AND WERE MOVING RAPIDLY TO THE EAST AND WILL BE APPROACHING EAS T CENTRAL MISSISSIPPI BY MID AFTERNOON.
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 16, 8:34 AM CST | Severe Thunderstorm Warning | JAN | Claiborne, Jefferson | 41 min |
| Nov 16, 9:14 AM CST | Severe Thunderstorm Warning | JAN | Claiborne | 31 min |
| Nov 16, 11:01 AM CST | Flash Flood Warning | JAN | Warren | 119 min |
| Nov 16, 11:15 AM CST | Tornado Warning | JAN | Hinds | 30 min |
| Nov 16, 11:27 AM CST | Tornado Warning | JAN | Madison, Yazoo | 48 min |
| Nov 16, 1:31 PM CST | Severe Thunderstorm Warning | JAN | Issaquena, Sharkey | 44 min |
| Nov 16, 1:46 PM CST | Severe Thunderstorm Warning | JAN | Claiborne | 44 min |
| Nov 16, 2:29 PM CST | Severe Thunderstorm Warning | JAN | Hinds | 31 min |
| Nov 16, 2:41 PM CST | Tornado Warning | JAN | Hinds | 34 min |
| Nov 16, 2:47 PM CST | Severe Thunderstorm Warning | JAN | Holmes | 28 min |
| Nov 16, 2:52 PM CST | Severe Thunderstorm Warning | JAN | Rankin | 38 min |
| Nov 16, 3:12 PM CST | Tornado Warning | JAN | Attala, Madison | 48 min |
| Nov 16, 3:32 PM CST | Tornado Warning | JAN | Rankin, Simpson | 28 min |
| Nov 16, 3:54 PM CST | Severe Thunderstorm Warning | JAN | Neshoba | 36 min |
| Nov 16, 4:10 PM CST | Tornado Warning | JAN | Winston | 30 min |
| Nov 16, 4:25 PM CST | Tornado Warning | JAN | Newton | 20 min |
| Nov 16, 4:33 PM CST | Tornado Warning | JAN | Kemper, Neshoba | 42 min |
| Nov 16, 4:33 PM CST | Tornado Warning | JAN | Noxubee | 42 min |
| Nov 16, 4:49 PM CST | Severe Thunderstorm Warning | JAN | Lauderdale, Newton | 41 min |
Nearby
Flash Flood Warnings in Mississippi, 1987Every flash flood warning in 1987
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.