Alert archive / Mississippi / Flash Flood Warnings in 1992

Flash Flood Warning 8, NWS Jackson, MS

August 27, 1992Hinds County, Mississippi

NWS Jackson, MS issued this flash flood warning at Aug 27, 1992, 4:00 AM CDT for Hinds County, Mississippi. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Aug 27, 1992, 4:00 AM CDT (09:00 UTC)
Expired
Aug 27, 1992, 9:00 AM CDT
In force
5 hr
Issued by
NWS Jackson, MS
Area
Whole counties

County Hinds County, MS

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 9.0 hours before the alert went out and 35 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.

Skew-T log-pSkew-T log-p diagram, Jackson, MS at 00:00Z on 1992-08-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 697 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jackson, MS at 00:00Z on 1992-08-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 176 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
697 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
560 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
176 m²/s²
0-3 km storm-relative helicity
215 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KJAN 270903
FFWJAN
MSC049-079-089-121-123-127-129-271400-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
400 AM CDT THU AUG 27 1992
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
FLOOD WARNING EFFECTIVE UNTIL  900 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN CENTRAL MISSISSIPPI
 
   ...HINDS COUNTY...LEAKE COUNTY...MADISON COUNTY
   ...RANKIN COUNTY...SCOTT COUNTY...SIMPSON COUNTY...SMITH COUNTY
 
AT 355AM HEAVY RAINS WERE REDEVELOPING INTO THE CENTER OF TROPICAL
DEPRESSION ANDREW THAT WAS LOCATED IN WESTERN HINDS COUNTY. ANDREW WAS
MOVING SLOWLY NORTHEAST AND TORRENTIAL RAINS ARE LIKELY DURING
THE NEXT 4 TO 5 HOURS IN THESE AREAS.
 
SINCE MIDDAY WEDNESDAY...FROM 5 TO NEARLY 8 INCHES OF RAIN HAS FALLEN
IN SOME LOCATIONS AROUND AND JUST EAST OF JACKSON. THESE ADDITIONAL
RAINS IN THE NEXT SEVERAL HOURS COULD TOTAL ANOTHER 1 TO 3 INCHES.
 
ANDREW IS FORECAST TO TURN NORTHEASTWARD LATER THIS MORNING TOWARD
THE COLUMBUS AREA BY MID AFTERNOON. RAINS SHOULD TAPER OFF IN MUCH OF
CENTRAL AND SOUTH MISSISSIPPI BY EARLY TONIGHT.
 
A FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT.  DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN
WATER BEGINS RISING.  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, Aug 27, 1:24 AM CDT, 2 hours 36 minutes before
MSZ009-012-ALZ008-013-270730-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MERIDIAN MS
120 PM CDT THU AUG 27 1992

...TORNADO WATCH NUMBER 774 WHICH INCLUDES ALL COUNTIES IN EAST CENTRAL
MISSISSIPPI AND SUMTER AND CHOCTAW COUNTIES IN EXTREME WEST CENTRAL
ALABAMA REMAINS IN EFFECT UNTIL 9 AM CDT...

AT 112 AM CDT RADAR INDICATED A LARGE AREA OF RAIN AND ISOLATED
THUNDERSTORMS CONTINUING WEST OF A LINE FROM STARKVILLE MISSISSIPPI TO
BUTLER TO CHATOM ALABAMA.  THE STRONGEST THUNDERSTORM WAS INDICATED
JUST NORTHWEST OF STONEWALL MISSISSIPPI.  THE AREA OF RAIN AND
THUNDERSTORMS WAS MOVING NORTHEAST AT 20 MPH.

WITH THE PASSAGE OF THIS AREA OF RAIN AND THUNDERSTORMS...STRONG GUSTY
WINDS OF 40 MPH AND VERY HEAVY RAIN CAN BE EXPECTED. MINOR FLOODING OF
LOW LYING AREAS AND ROADWAYS IS ALSO POSSIBLE.

PERSONS IN AND CLOSE TO THE WATCH AREA SHOULD REMAIN ALERT TO RAPIDLY
CHANGING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND
POSSIBLE WARNINGS.
Local storm report, Aug 27, 2:33 AM CDT, 1 hour 27 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MERIDIAN MS
230 AM CDT THU AUG 27 1992

210 AM CDT...CLARKE COUNTY CIVIL DEFENSE REPORTS NUMEROUS TREES
             DOWN NORTH AND EAST OF QUITMAN MISSISSIPPIZ.
Local storm report, Aug 27, 3:09 AM CDT, 51 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MERIDIAN MS
307 AM CDT THU AUG 27 1992

240 AM CDT...LAUDERDALE COUNTY CIVIL DEFENSE REPORTS TREES
             DOWN 10 MILES NORTHWEST OF MERIDIAN MISSISSIPPI.
Local storm report, Aug 27, 3:19 AM CDT, 41 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MERIDIAN MS
320 AM CDT THU AUG 27 1992

301 AM CDT...LAUDERDALE COUNTY SHERRIFS OFFICE REPORTS SEVERAL TREES
             DOWN 3 MILES NORTHWEST OF MERIDIAN MISSISSIPPI.
Local storm report, Aug 27, 3:26 AM CDT, 34 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MERIDIAN MS
325 AM CDT THU AUG 27 1992

320 AM CDT...CLARKE COUNTY CIVIL DEFENSE REPORTS TREES DOWN
             8 MILES WEST OF QUITMAN MISSISSIPPI.
Local storm report, Aug 27, 3:44 AM CDT, 16 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MERIDIAN MS
343 AM CDT THU AUG 27 1992

340 AM CDT...LAUDERDALE COUNTY CIVIL DEFENSE REPORTS TREES
             DOWN 6 MILES NORTH OF MERIDIAN MISSISSIPPI.

The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 26, 7:35 PM CDTTornado WarningJANSmith40 min
Aug 26, 7:59 PM CDTFlash Flood WarningJANHinds, Warren8 hr
Aug 26, 8:25 PM CDTFlash Flood WarningJANCopiah, Rankin, Simpson8 hr
Aug 26, 8:25 PM CDTFlash Flood WarningJANLawrence, Lincoln8 hr
Aug 26, 8:51 PM CDTTornado WarningJANSharkey, Yazoo54 min
Aug 26, 9:01 PM CDTTornado WarningJANSimpson39 min
Aug 26, 10:13 PM CDTTornado WarningJANYazoo32 min
Aug 27, 1:22 AM CDTFlash Flood WarningJANScott, Smith3 hr
Aug 27, 1:56 AM CDTTornado WarningJANClarke34 min
Aug 27, 2:17 AM CDTTornado WarningJANLauderdale28 min
Aug 27, 2:48 AM CDTTornado WarningJANLauderdale42 min
Aug 27, 2:58 AM CDTTornado WarningJANClarke47 min
Aug 27, 3:28 AM CDTTornado WarningJANLauderdale47 min
Aug 27, 4:00 AM CDTFlash Flood WarningJANLeake, Madison, Scott5 hr
Aug 27, 4:00 AM CDTFlash Flood WarningJANRankin, Simpson, Smith5 hr
Aug 27, 4:57 AM CDTFlash Flood WarningJANClarke4 hr
Aug 27, 4:57 AM CDTFlash Flood WarningJANKemper, Lauderdale4 hr
Aug 27, 6:47 PM CDTTornado WarningJANMarion28 min

Nearby

Flash Flood Warnings in Mississippi, 1992Every flash flood warning in 1992

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.