Alert archive / Mississippi / Flash Flood Warnings in 1987
Flash Flood Warning 5, NWS Jackson, MS
NWS Jackson, MS issued this flash flood warning at Mar 17, 1987, 9:09 PM CST for Holmes County, Humphreys County, Leflore County, Mississippi. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Mar 17, 1987, 9:09 PM CST (03:09 UTC)
- Expired
- Mar 18, 1987, 12:15 AM CST
- In force
- 3 hr
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
Counties Holmes County, MS, Humphreys County, MS, Leflore 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 00:00Z, 3.2 hours before the alert went out and 108 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
- 83 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 622 m above ground
- 0-6 km bulk shear
- 76 kt
- 0-1 km storm-relative helicity
- 554 m²/s²
- 0-3 km storm-relative helicity
- 785 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KJAN 180309
FFWJAN
MSC049-051-083-053-180615-
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
909 PM CST TUE MAR 17 1987
THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING
EFFECTIVE UNTIL 1215 AM CST FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN CENTRAL MISSISSIPPI
...HINDS...HOLMES
IN NORTH CENTRAL MISSISSIPPI
...LEFLORE
IN WEST CENTRAL MISSISSIPPI
...HUMPHREYS
STRONG THUNDERSTORMS WILL CONTINUE TO PRODUCE HEAVY RAINFALL OVER
THESE COUNTIES DURING THE NEXT SEVERAL HOURS. PERSONS IN FLOOD PRONE
AREAS SHOULD TAKE ACTION.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DE,PTH 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, Mar 17, 4:00 PM CST, 5 hours 9 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
405 PM CST TUE MAR 17 1987
...TORNADO WATCH NUMBER 34 IS STILL IN EFFECT UNTIL 10 PM FOR CENTRAL
AND SOUTH MISSISSIPPI...
AT 405 PM...RAIN AND THUNDERSTORMS COVERED MOST OF THE WESTERN HALF
OF MISSISSIPPI. THE STRONGEST STORMS WERE OVER MADISON...ADAMS..
JEFFERSON AND CLAIBORNE COUNTIES.
ALTHOUGH THESE STORMS DO NOT APPEAR TO BE SEVERE AT THE PRESENT TIME...
THEY COULD INTENSIFY RAPIDLY AT ANY TIME. HEAVY RAINFALL...GUSTY WIND
AND SMALL HAIL IS LIKELY WITH THE HEAVIER STORMS AS THEY MOVE NORTHEAST
AT 50 MILES PER HOUR.
PERSONS IN CENTRAL AND SOUTH MISSISSIPPI SHOULD CONTINUE TO MONITOR THE
LAT%EST WEATHER STATEMENTS IN THIS RAPIDLY-CHANGING SITUATION...AND BE
PREPARED TO TAKE QUICK PROTECTIVE ACTION IF A WARNING IS ISSUED OR THE
WEATHER BECOMES THREATENING.Special weather statement, Mar 17, 4:09 PM CST, 5 hours before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MERIDIAN MS 410 PM CST TUE MAR 17 1987 TORNADO WATCH NUMBER 34 CONTINUES TO BE IN EFFECT FOR MOST OF EAST CENTRAL MISSISSIPPI UNTIL 1000 PM CST. AT 400 PM CST RADAR SHOWED A 6 MILE WIDE AREA OF THUNDERSTORMS THAT EXTENDED FROM JUST WEST OF UNION TO NEAR NEWTON. THIS AREA OF STORMS WAS MOVING NORTH AT 35 MPH. RESIDENTS IN NEWTON AND NESHOBA COUNTIES OF EAST CENTRAL MISSISSIPPI ARE UR+GED TO REMAIN WEATHER ALERT FOR THE NEXT 45 TO 60 MINUTES AS THESE STORMS PASS THROUGH THE AREA.
Special weather statement, Mar 17, 6:34 PM CST, 2 hours 35 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MERIDIAN MS 635 PM CST TUE MAR 17 1987 TORNADO WATCH NUMBER 34 CONTINUES TO BE IN EFFECT FOR MOST OF EAST CENTRAL MISSISSIPPI UNTIL 1000 PM CST. AT 630 PM CST RADAR SHOWED WIDELY SCATTERED THUNDERSTORMS MOVING INTO WESTERN NESHOBA AND WINSTON COUNTIES. THEY WERE MOVING NORTHEAST AT 35 MPH. RESIDENTS IN WINSTON AND NESHOBA COUNTIES OF EAST CENTRAL MISSISSIPPI CAN EXPECT GUSTY WINDS...LIGHTNING...AND PERIODS OF HEAVY RAIN AS THESE STORMS MOVE THROUGH THE TWO COUNTY AREA.
Special weather statement, Mar 17, 8:52 PM CST, 17 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MERIDIAN MS 850 PM CST TUE MAR 17 1987 TORNADO WATCH NUMBER 34 IS STILL IN EFFECT FOR MOST OF EAST CENTRAL MISSISSIPPI UNTIL 1000 PM CST. AT 845 PM CST RADAR SHOWED A 20 MILE WIDE AREA OF SCATTERED THUNDERSTORMS THAT EXTENDED FROM NEAR LOUISVILLE IN WINSTON COUNTY TO NEAR MOSELLE IN JONES COUNTY. THERE WERE OTHER THUNDERSTORMS IN EAST CENTRAL MISSISSIPPI. ALL OF THE THUNDERSTORMS WERE MOVING NORTH AT 45 MPH AND THE AREA WAS MOVING NORTHEAST AT 25 MPH. RESIDENTS OF EAST CENTRAL MISSISSIPPI CAN EXPECT PERIODS OF HEAVY RAIN... LIGHTNING...GUSTY WINDS AND SMALL HAIL AS THESE THUNDERSTORMS MOVE THROUGH THE AREA.
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 17, 7:27 PM CST | Severe Thunderstorm Warning | JAN | Lincoln | 33 min |
| Mar 17, 7:47 PM CST | Severe Thunderstorm Warning | JAN | Walthall | 18 min |
| Mar 17, 7:48 PM CST | Severe Thunderstorm Warning | JAN | Copiah | 27 min |
| Mar 17, 8:25 PM CST | Severe Thunderstorm Warning | JAN | Walthall | 35 min |
| Mar 17, 8:43 PM CST | Flash Flood Warning | JAN | Yazoo | 2 hr |
| Mar 17, 9:09 PM CST | Flash Flood Warning | JAN | Hinds | 3 hr |
| Mar 17, 10:15 PM CST | Severe Thunderstorm Warning | JAN | Jasper, Jones | 30 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.