Alert archive / Mississippi / Flash Flood Warnings in 1986
Flash Flood Warning 2, NWS Jackson, MS
NWS Jackson, MS issued this flash flood warning at Jul 21, 1986, 4:31 PM CDT for Hinds County, Rankin County, Mississippi. It was in force for 59 min.
The area
The counties it named.
The facts
- Issued
- Jul 21, 1986, 4:31 PM CDT (21:31 UTC)
- Expired
- Jul 21, 1986, 5:30 PM CDT
- In force
- 59 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
Counties Hinds County, MS, Rankin 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, 9.5 hours before the alert went out and 12 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
- 3118 J/kg
- Mixed-layer CIN
- -57 J/kg
- Mixed-layer LCL
- 862 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 17 m²/s²
- 0-3 km storm-relative helicity
- 44 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAAOO KJAN 212131
FFWJAN
MSC049-121-212230-
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
431 PM CDT MON JUL 21 1986
THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING
EFFECTIVE UNTIL 530 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES:
IN CENTRAL MISSISSIPPI
..EASTERN HINDS..WESTERN RANKIN
HEAVY RAIN HAS BEEN FALLING IN THE JACKSON METROPOLITAN AREA DURING
THE PAST HALF HOUR. THE USUAL LOW-LYING AREAS ARE BEGINNING TO FLOOD
AND WILL CONTINUE TO GET WORSE DURING THE RUSH HOUR.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATXER 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, Jul 21, 1:20 PM CDT, 3 hours 11 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MERIDIAN MS 115 PM CDT MON JUL 21 1986 THUNDERSTORMS DEVELOPING RAPIDLY THROUGH EAST CENTRAL MISSISSIPPI AND EXTREME WEST CENTRAL ALABAMA. AT 110 PM WEATHER RADAR INDICATED NUMEROUS THUNDERSTORMS, SOME QUITE HEAVY OVER EAST CENTRAL MISSISSIPPI AND EXTREME WEST CENTRAL ALABAMA. THE HEAVIEST WERE LOCATED IN GREENE COUNTY ALABAMA..KEMPER AND NESHOBA COUNTIES IN MISSISSIPPI. THE THUNDERSTORMS WERE MOVING SLOWLY SOUTH. BRIEF HEAVY RAIN..STRONG GUSTY WINDS..DANGEROUS LIGHTENING AND POSSIBLY SOME HAIL IS LIKELY WITH THE HEAVIEST THUNDERSTORMS. PERSONS IN EAST CENTRAL MISSISSIPPI AND EXTREME WEST CENTRAL ALABAMA SHOULD BE ALERT FOR jHEAVY THUNDERSTORMS FOR THE NEXT FEW HOURS.
Special weather statement, Jul 21, 2:06 PM CDT, 2 hours 25 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 210 PM CDT SUN JUL 20 1986 ...HEAVY THUNDERSTORMS DEVELOPING RAPIDLY OVER THE SOUTHERN TWO THIRDS OF MISSISSIPPI... AT 2 PM..NUMEROUS THUNDERSTORMS WERE CLUSTERED OVER EASTCENTRAL..AND SOUTHWESTERN SECTIONS OF MISSISSIPPI. ALTHOUGH THESE THUNDERSTORMS ARE DEVELOPING RAPIDLY..THEY ARE MOVING VERY SLOWLY. THIS SHOULD RESULT IN VERY HEAVY RAINFALL IN A FEW LOCATIONS. SOME HAIL IS ALSO POSSIBLE FROM SOME OF THE STRONGER THUNDERSTORMS. VISIBILITY MAY BE DRASTICALLY REDUCED FOR A SHORT TIME..DUE TO THE INTENSITY OF RAINFALL.
Special weather statement, Jul 21, 2:41 PM CDT, 1 hour 50 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 235 PM CDT SUN JUL 20 1986 VERY HEAVY THUNDERSTORMS CONTINUE TO DEVELOP EXPLOSIVELY OVER PORTIONS OF CENTRAL AND SOUTH MISSISSIPPI. AT 230 PM VERY HEAVY THUNDERSTORMS WERE SCATTERED OVER MUCH OF THE SOUTHERN TWO THIRDS OF THE STATE. MOST OF THE ACTIVITY WAS CENTERED OVER EAST CENTRAL AND SOUTH WEST MISSISSIPPI. MANY OF THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING HAIL...STRONG GUSTY WINDS AND BRIEF HEAVY RAIN AS THEY MOVE TO THE SOUTH AT AROUND 10 MPH. PERSONS IN CENTRAL AND SOUTH MISSISSIPPI SHOULD BE ALERT FOR THREATENING WEATHER...AND BE PREPARED TO TAKE ACTION IF A WARNING IS ISSUED.
Special weather statement, Jul 21, 3:08 PM CDT, 1 hour 23 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE JACKSON MS 300 PM CDT MON JUL 21 1986 AT 300 PM...VERY HEAVY THUNDERSTORMS CONTINUED TO DEVELOP OVER CENTRAL AND SOUTHWEST MISSISSIPPI. THE STRONGEST STORM WAS LOCATED 10 MILES SOUTH OF JACKSON. ALL OF THESE THUNDERSTORMS ARE MOVING SLOWLY SOUTH AND WILL LIKELY PRODUCE HEAVY DOWNPOURS OF RAIN. PERSONS IN CENTRAL AND SOUTH MISSISSIPPI SHOULD EXPECT FREQUENT LIGHTNING...STRONG WIND AND HAIL WITH THESE THUNDERSTORMS. ANOTHER STATEMENT WILL BE ISSUED AROUND 330 PM.
Special weather statement, Jul 21, 3:33 PM CDT, 58 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE JACKSON MS 330 PM CDT MON JUL 21 1986 AT 330 PM...NUMEROUS VERY HEAVY THUNDERSTORMS WERE OCCURRING OVER CENTRAL AND SOUTH MISSISSIPPI. THE STRONGEST THUNDERSTORMS WERE LOCATED 5 MILES EAST OF MACON... 15 MILES EAST OF MERIDIAN AND 30 MILES WEST OF MCCOMB. ALL OF THE THUNDERSTORMS IN MISSISSIPPI ARE MOVING SLOWLY SOUTH AND WILL LIKELY PRODUCE HEAVY DOWNPOURS OF RA$IN. PERSONS IN CENTRAL AND SOUTH MISSISSIPPI SHOULD EXPECT FREQUENT LIGHTNING...STRONG WIND AND HAIL WITH THESE THUNDERSTORMS. ANOTHER STATEMENT WILL BE ISSUED AROUND 4 PM.
Special weather statement, Jul 21, 4:28 PM CDT, 3 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE JACKSON MS 425 PM CDT MON JUL 21 1986 AT 425 PM...NUMEROUS VERY HEAVY THUNDERSTORMS CONTINUED OVER CENTRAL AND SOUTH MISSISSIPPI. THE STRONGEST THUNDERSTORMS WERE LOCATED IN AND AROUND THE JACKSON AREA. SINCE ALL THE THUNDERSTORMS WERE MOVING VERY SLOWLY TO THE SOUTH, HEAVY RAINS ARE LIKELY WITH THESE THUNDERSTORMS. OVER 3/4 OF AN INCH OF RAIN HAD FALLEN IN DOWNTOWN JACKSON IN A 20 MINUTE SPAN. SINCE THE RAINS WILL CONTINUE FOR SOME TIME, STREET FLOODING WILL BE A MAJOR CONCERN FOR PEOPLE TO THINK ABOUT AS THE RUSH HOUR NEARS. PEOPLE SHOULD NOT DRIVE IN THIS WEATHER UNLESS THEY HAVE TO. IF YOU ARE DRIVING, DO NOT ATQTEMPT TO DRIVE THROUGH RUNNING WATER OR WATER OF UNKNOWN DEPTH. UNDERPASSES COULD BE DEADLY. ANOTHER STATEMENT WILL BE ISSUED AROUND 430 PM.
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 21, 1:55 PM CDT | Severe Thunderstorm Warning | JAN | Smith | 50 min |
Nearby
Flash Flood Warnings in Mississippi, 1986Every flash flood warning in 1986
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.