Alert archive / Mississippi / Flash Flood Warnings in 1992

Flash Flood Warning 5, NWS Jackson, MS

August 27, 1992Scott County, Smith County, Mississippi

NWS Jackson, MS issued this flash flood warning at Aug 27, 1992, 1:22 AM CDT for Scott County, Smith County, Mississippi. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Aug 27, 1992, 1:22 AM CDT (06:22 UTC)
Expired
Aug 27, 1992, 4:00 AM CDT
In force
3 hr
Issued by
NWS Jackson, MS
Area
Whole counties

Counties Scott County, MS, Smith County, MS

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 6.4 hours before the alert went out and 54 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 270625 COR
FFWJAN
MSC123-129-270900-

BULLETIN - EBS ACTIVATION REQUESTED
FLOOD WARNING...CORRECTION FOR TYPE OF WARNING
NATIONAL WEATHER SERVICE JACKSON MS
122 AM CDT THU AUG 27 1992

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
FLOOD WARNING EFFECTIVE UNTIL  400 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...

IN CENTRAL MISSISSIPPI

   ...SCOTT COUNTY...SMITH COUNTY

AT 120AM PERSISTENT HEAVY RAINFALL STRETCHED ALONG AN AXIS NEAR
HIGHWAY 35 FROM HARPERVILLE TO MIZE. RAINFALL AMOUNTS OF 2 TO 4 INCHES
HAVE LIKELY ALREADY OCCURRED IN THESE COUNTIES AND ADDITIONAL RAINS
ARE EXPECTED FOR SEVERAL MORE HOURS.

PEOPLE IN FLOOD PRONE AREAS SHOULD MOVE TO HIGHER GROUND IMMEDIATELY.
AT NIGHT BE ESPECIALLY CAUTIOUS WHEN IT IS HARDER TO RECOGNIZE
THE DANGERS OF FLOODS AND FLASH FLOODS.  IF FLOODING IS
OBSERVED...ACT QUICKLY.  MOVE SWIFTLY TO ESCAPE FLOOD WATERS.
<

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 26, 10:32 PM CDT, 2 hours 50 minutes before
MSZALL-270500-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
1030 PM CDT WED AUG 26 1992

...TORNADO WATCHES 772 AND 773 HAVE BEEN CANCELED FOR SECTIONS OF NORTH
AND SOUTHWEST MISSISSIPPI.

IN NORTH MISSISSIPPI...TORNADO WATCH 773 IS NO LONGER IN EFFECT NORTH OF
A LINE FROM TUNICA TO ABERDEEN. IN SOUTHWEST MISSISSIPPI THE FOLLOWING
COUNTIES HAVE BEEN CLEARED FROM TORNADO WATCH 772

CLAIBORNE     JEFFERSON       ADAMS         FRANJKLIN         WILKINSON

AMITE

TORNADO WATCHES 772 AND 773 REMAIN IN EFFECT FOR A LARGE PART OF CENTRAL
AND SOUTH MISSISIPPI UNTIL 1 AM CDT THURSDAY.
Special weather statement, Aug 26, 10:39 PM CDT, 2 hours 43 minutes before
MSZ009-012-270445-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MERIDIAN MS
1038 PM CDT WED AUG 26 1992

...TORNADO WATCH NUMBERS 772 AND 773 WHICH INCLUDES ALL COUNTIES IN
EAST CENTRAL MISSISSIPPI REMAIN IN EFFECT UNTIL 1 AM CDT...

AT 1030 PM CDT RADAR INDICATED A LARGE AREA OF RAIN AND ISOLATED
THUNDERSTORMS CONTINUING WEST OF A LINE FROM ACKERMAN TO PACHUTA TO
MCLAIN MISSISSIPPI.  THE STRONGEST THUNDERSTORM WAS INDICATED JUST
WEST OF HEIDELBERG 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.
Special weather statement, Aug 26, 11:31 PM CDT, 1 hour 51 minutes before
MSZ009-012-270545-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MERIDIAN MS
1130 PM CDT WED AUG 26 1992

...TORNADO WATCH NUMBERS 772 AND 773 WHICH INCLUDES ALL COUNTIES IN
EAST CENTRAL MISSISSIPPI REMAIN IN EFFECT UNTIL 1 AM CDT...

AT 1123 PM CDT RADAR INDICATED A LARGE AREA OF RAIN AND ISOLATED
THUNDERSTORMS CONTINUING WEST OF A LINE FROM STARKVILLE TO MERIDIAN TO
LUCEDALE MISSISSIPPI.  THE STRONGEST THUNDERSTORM WAS INDICATED IN
BAY SPRINGS 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 ANFD 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.
Special weather statement, Aug 27, 12:24 AM CDT, 58 minutes before
MSZALL-270615-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
1219 AM CDT THU AUG 27 1992

...TORNADO WATCH IN EFFECT FOR MUCH OF CENTRAL AND EASTERN MISSISSIPPI
UNTIL 9 AM...
...TORNADO WATCH FOR WEST CENTRAL MISSISSIPPI UNTIL 1 AM...

AT 1205 AM...THUNDERSTORMS WITH HEAVY RAINFALL EXTENDED FROM YAZOO
CITY TO FOREST TO MIZE.  THE STORMS WERE MOVING TO THE NORTH AND WEST
AT 25 TO 30 MPH. RESIDENTS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER AND EXCESSIVE RAINFALL WHICH COULD CAUSE FLOODING
OF LOW LYING AREAS.
A LARGE AREA OF LIGHT RAIN CONTINUED OVER MUCH OF THE REST OF
MISSISSIPPI EXCEPT FOR THE EXTREME SOUTHWEST.   THE RAIN WAS
ASSOCIATED WITH TROPICAL DEPRESSION ANDREW WHICH WAS LOCATED BETWEEN
JACKSON AND NATCHEZ AND MOVING TO THE NORTHEAST AROUND 10 MPH.
Special weather statement, Aug 27, 12:58 AM CDT, 24 minutes before
MSZALL-270700-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE JACKSON MS
1258 AM CDT THU AUG 27 1992

AT 1245 AM...RADAR INDICATED AN AREA OF THUNDERSTORMS WITH HEAVY
RAINFALL EXTENDING FROM YAZOO CITY TO WALNUT GROVE. THE THUNDERSTORMS
WERE MOVING TO THE NORTHWEST AT 30 TO 35 MPH. RESIDENTS OF THE AREA
CAN EXPECT HEAVY RAINFALL TO CONTINUE FOR THE NEXT FEW HOURS AND NEED
TO BE ON THE LOOKOUT FOR FLOODING OF LOW LYING AREAS.

A LARGE AREA OF RAIN CONTINUED OVER THE REST OF MISSISSIPPI EXCEPT FOR
THE SOUTHWEST SECTION.  THE AREA WAS MOVING TO THE NORTHEAST AT 10
MPH.
Special weather statement, Aug 27, 1:13 AM CDT, 9 minutes before
MSZALL-270715-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
110 AM CDT THU AUG 27 1992

...TORNADO WATCH IN EFFECT FOR MUCH OF CENTRAL AND EASTERN MISSISSIPPI
UNTIL 9 AM...
...TORNADO WATCH FOR WEST CENTRAL MISSISSIPPI EXPIRED AT 1 AM..

AT 100 AM...THUNDERSTORMS WITH HEAVY RAINFALL EXTENDED FROM YAZOO
CITY TO CARTHAGE.  ANOTHER AREA OF HEAVY RAINFALL WAS NEAR RALEIGH.
THE SHOWERS AND THUNDERSTORMS WERE MOVING TO NORTH AND WEST AT 25 TO 30
MPH.  RESIDENTS OF CENTRAL AND EAST MISSISSIPPI SHOULD BE ON THE
LOOKOUT FOR THREATENING WEATHER AND EXCESSIVE RAINFALL WHICH COULD CAUSE
FLOODING OF LOW LYING AREAS. MUCH OF CENTRAL MISSISSIPPI HAS ALREADY
RECEIVED 3 TO 5 INCHES OF RAIN THIS EVENING.  ADDITIONAL HEAVY RAINFALL
COULD OVERWHELM DRAINAGE SYSTEMS AND CAUSE FLOODING.

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, 1:56 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, 4:00 AM CDTFlash Flood WarningJANHinds5 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.