Alert archive / Mississippi / Flash Flood Warnings in 1987
Flash Flood Warning 8, NWS Jackson, MS
NWS Jackson, MS issued this flash flood warning at Jun 13, 1987, 9:14 AM CDT for Madison County, Yazoo County, Mississippi. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Jun 13, 1987, 9:14 AM CDT (14:14 UTC)
- Expired
- Jun 13, 1987, 12:15 PM CDT
- In force
- 3 hr
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
Counties Madison County, MS, Yazoo 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, 2.2 hours before the alert went out and 45 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
- 726 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 558 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 50 m²/s²
- 0-3 km storm-relative helicity
- 96 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KJAN 131414
FFWJAN
MSC089-163-131715-
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
914 AM CDT SAT JUN 13 1987
THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING
EFFECTIVE UNTIL 1215 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN CENTRAL MISSISSIPPI
...MADISON...YAZOO
THUNDERSTORMS OVER YAZOO AND MADISON COUNTIES HAVE MOVED VERY SLOWLY
SINCE 3 OCLOCK THIS MORNING. 4 INCHES OF RAIN HAS BEEN REPORTED AT
CANTON ALREADY THIS MORNING. THUNDERSTORMS CONTINUED OVER THESE
COUNTIES AT 915 AM AND WERE STILL DEVELOPING BACK TO THE WEST. SINCE
THE STORMS ARE MOVING SLOWLY TO THE EAST...MORE HEAVY RAIN IS EXPECTED
THIS AREA OF CENTRAL MISSISSIPPI THROUGH THE REMAINDER OF THE
MORNING.
FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS
THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL
ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP 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, Jun 13, 5:23 AM CDT, 3 hours 51 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 525 AM CDT SAT JUN 13 1987 ...THUNDERSTORMS BRINGING BENEFICIAL RAINS TO CENTRAL MISSISSIPPI... DURING THE PAST COUPLE OF HOURS...NUMEROUS SHOWERS AND THUNDERSTORMS... SOME HEAVY...HAVE DEVELOPED ACROSS MUCH OF CENTRAL MISSISSIPPI. THE PRECIPITATION WAS GENERALLY LOCATED IN A 70 MILE WIDE BAND GENERALLY NORTH OF INTERSTATE 20. A CLUSTER OF THUNDERSTORMS FROM NEAR CANTON TO FLORA TO RAYMOND WAS PRODUCING VERY HEAVY RAINS. FOR THE MOST PART...THE SOILS ARE RELATIVELY DRY AND 1 OR 2 INCHES WOULD PROVE BENEFICIAL. HOWEVER...IF SEVERAL INCHES OF RAIN FALL IN A SHORT PERIOD OF TIME...SOME MINOR FLOODING COULD OCCUR. SHOhWERS AND THUNDERSTORMS WILL BE NUMEROUS ACROSS THE STATE THROUGH THE DAY AND HEAVY RAINFALL CAN BE EXPECTED...ESPECIALLY ACROSS THE CENTRAL AND SOUTHERN SECTIONS.
Special weather statement, Jun 13, 6:42 AM CDT, 2 hours 32 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE JACKSON MS 635 AM CDT SAT JUN 13 1987 AT 635 AM...A CLUSTER OF THUNDERSTORMS...WITH VERY HEAVY RAINS... CONTINUED IN CENTRAL MISSISSIPPI. THE CLUSTER OF STORMS EXTENDED FROM NEAR EDWARDS TO LEXINGTON. THESE THUNDERSTORMS ARE CONTINUING TO MOVE ACROSS THE SAME GENERAL AREA. POSSIBLY 1 TO 2 INCHES OF RAIN OF RAIN HAS ALREADY FALLEN IN SOME LOCATIONS BETWEEN JACKSON AND GREENWWOD EARLY THIS MORNING. SOME MINOR STREET FLOODING IS POSSIBLE IN THIS AREA. OTHER SHOWERS AND THUNDERSTORMS WERE SCATTERED ACROSS CENTRAL AND SOUTHEAST MISSISSIPPI...WEST CENTRAL ALABAMA...AND NORTHEASTERN LOUISIANA. THE PRECIPITATION WAS MOVING TO THE NORTHEAST AT 15 MPH.
Special weather statement, Jun 13, 8:45 AM CDT, 29 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE JACKSON MS 835 AM CDT SAT JUN 13 1987 ...THUNDERSTORMS CONTINUED OVER CENTRAL MISSISSIPPI... AT 835 AM...A CLUSTER OF THUNDERSTORMS...WITH VERY HEAVY RAINS... REMAINED OVER CENTRAL MISSISSIPPI NORTHWEST OF MADISON AND CANTON. HEAVY RAINS HAVE BEEN OCCURRING OVER THIS SECTION OF WESTERN MADISON COUNTY AND EASTERN YAZOO COUNTY SINCE AROUND 3 AM THIS MORNING. RAINFALL AMOUNTS OF 3 TO 4 INCHES HAVE LIKELY FALLEN OVER SECTIONS OF THIS AREA JUST THIS MORNING. LOW LYING AREAS ARE LIKELY BECOMING FLOODED AND CONDITIONS COULD GET MUCH WORSE IF THIS THUNDERSTORMS REMAIN OVER THIS AREA MUCH LONGER. PEOPLE IN THIS AREA ARE ADVISED TO REMAIN ALERT FOR RISING WATER OR IF A WARNING IS ISSUED. ELSEWHERE...RADAR DEPICTED A BAND OF RAIN AND SCATTERED THUNDERSTORMS STRETCHED WEST TO EAST FROM NORTHEAST LOUISIANA...ACROSS CENTRAL MISSISSIPPI...TO WESTERN ALABAMA. < THE THUNDERSTORMS WERE MOVING EAST AT 20 MILES AN HOUR...WHILE THE AREA OF PRECIPITATION WAS SHOWING VERY LITTLE MOVEMENT.
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.