Alert archive / Mississippi / Flash Flood Warnings in 1999

Flash Flood Warning 49, NWS Jackson, MS

May 5, 1999Carroll County, Holmes County, Humphreys County, Mississippi

NWS Jackson, MS issued this flash flood warning at May 5, 1999, 8:51 PM CDT for Carroll County, Holmes County, Humphreys County, Mississippi. It was in force for 119 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 5, 1999, 8:51 PM CDT (01:51 UTC)
Expired
May 5, 1999, 10:50 PM CDT
In force
119 min
Issued by
NWS Jackson, MS
Area
Whole counties

Counties Carroll County, MS, Holmes County, MS, Humphreys County, MS

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 1.9 hours before the alert went out and 102 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 1999-05-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3704 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 1999-05-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 247 square meters per square second.1939587897Sfc1 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
3704 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
839 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
247 m²/s²
0-3 km storm-relative helicity
293 m²/s²
Significant tornado parameter
7.4
Supercell composite
23.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KJAN 060153
FFWJAN
LAC035-MSC015-051-053-055-097-125-060350-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
851 PM CDT WED MAY 5 1999

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CARROLL COUNTY IN NORTH CENTRAL MISSISSIPPI
  HOLMES COUNTY IN CENTRAL MISSISSIPPI
  HUMPHREYS COUNTY IN CENTRAL MISSISSIPPI
  ISSAQUENA COUNTY IN WEST CENTRAL MISSISSIPPI
  MONTGOMERY COUNTY IN NORTH CENTRAL MISSISSIPPI
  SHARKEY COUNTY IN WEST CENTRAL MISSISSIPPI
  EAST CARROLL PARISH IN NORTHEASTERN LOUISIANA

* UNTIL 1050 PM CDT

* AT 847 PM RADAR INDICATED THUNDERSTORMS PRODUCING TORRENTIAL RAIN
SLOWLY MOVING ACROSS THE WARNED COUNTIES. DOPPLER RADAR INDICATED
THAT AS MUCH AS THREE INCHES OF RAIN HAD FALLEN IN THESE COUNTIES
BETWEEN 4 AND 830 PM THIS EVENING.

ADDITIONAL RAINFALL WILL LIKELY PRODUCE FLOODING OF LOW LYING...
FLOOD PRONE AREAS AS WELL AS SMALL STREAMS.  THE SHERIFF ,IN
HUMPHREYS COUNTY REPORTED THAT WATER WAS RISING IN LOW LYING AREAS
OF BELZONI...AND WAS BEGINNING TO APPROACH SOME HOMES.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGER OF FLOODING.

65

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, May 5, 3:15 PM CDT, 5 hours 36 minutes before
ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>066-072>074-
060800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
315 PM CDT WED MAY 5 1999

...SIGNIFICANT OUTBREAK OF SEVERE WEATHER LIKELY ACROSS THE REGION
LATER THIS AFTERNOON AND TONIGHT...
...FLOODING ALSO POSSIBLE...ESPECIALLY OVER NORTH MISSISSIPPI AND
SOUTHEAST ARKANSAS...

A HIGH RISK OF SEVERE THUNDERSTORMS EXISTS THIS AFTERNOON INTO TONIGHT OVER
SOUTHEAST ARKANSAS...NORTHEAST LOUISIANA...AND MOST OF MISSISSIPPI.

SEVERE THUNDERSTORMS WERE RAPIDLY DEVELOPING THIS AFTERNOON OVER EASTERN
AND SOUTHERN ARKANSAS...NORTHWEST LOUISIANA...AND NORTHEAST TEXAS AHEAD
OF A COLD FRONT. THE AIRMASS ACROSS THE LOWER MISSISSIPPI VALLEY AHEAD
OF THIS COLD FRONT IS EXTREMELY UNSTABLE. THE COMBINATION OF THE FRONT...
THE VERY UNSTABLE AIR...AND FAVORABLE WINDS ALOFT IN THE ATMOSPHERE
WILL LIKELY SET THE STAGE FOR A WIDESPREAD OUTBREAK OF SEVERE
THUNDERSTORMS ACROSS THE REGION LATE THIS AFTERNOON AND TONIGHT.

STRONG TO SEVERE THUNDERSTORMS WILL LIKELY BEGIN TO MOVE INTO
NORTHEAST LOUISIANA...SOUTHEAST ARKANSAS...AND NORTHWEST MISSISSIPPI
BY LATE AFTERNOON. A TORNADO WATCH IS ALREADY IN EFFECT FOR THESE AREAS
UNTIL 9 PM TONIGHT.  THE THREAT OF SEVERE WEATHER WILL THEN SHIFT
EAST ACROSS THE REMAINDER OF MISSISSIPPI OVERNIGHT. DAMAGING WINDS...
VERY LARGE HAIL...AND A FEW STRONG TORNADOES MAY OCCUR WITH THESE
STORMS.

IN ADDITION TO THE THREAT OF SEVERE WEATHER...HEAVY RAINFALL WILL
ACCOMPANY THE STORMS. THE GREATEST RISK OF EXCESSIVE RAINFALL TOTALS
IS OVER NORTHERN MISSISSIPPI AND SOUTHEAST ARKANSAS WHERE SEVERAL
ROUNDS OF THUNDERSTORMS MAY MOVE ACROSS THE SAME AREA. A FLASH FLOOD
WATCH HAS BEEN ISSUED FOR THIS AREA ALONG AND NORTH OF U.S. HIGHWAY 82.

THIS IS A POTENTIALLY DANGEROUS WEATHER SITUATION. PEOPLE IN THE REGION
SHOULD MONITOR WEATHER DEVELOPMENTS CLOSELY...AND LISTEN FOR LATER
STATEMENTS AND POSSIBLE WATCHES AND WARNINGS.

ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...AND EMERGENCY
MANAGEMENT PERSONNEL IS LIKELY THIS AFTERNOON INTO TONIGHT.

FOR MORE INFORMATION...PLEASE VISIT OUR INTERNET WEB SITE AT:

HTTP://WWW.JANNWS.STATE.MS.US                  /IN LOWER CASE LETTERS/
Local storm report, May 5, 7:50 PM CDT, 1 hour 1 minute before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
750 PM CDT WED MAY 05 1999

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....PARISH/COUNTY LOCATION....

0550 PM    WAYSIDE                   MS   1 INCH HAIL
05/05/99   WASHINGTON                     REPORTED BY EOC.

0602 PM    LELAND                    MS   .75 INCH HAIL
05/05/99   WASHINGTON                     ON HIGHWAY 82 BETWEEN
                                          LELAND AND GREENVILLE.
                                          REPORTED BY MHP.

0605 PM    CLEVELAND                 MS   60 MPH TSTM GUST
05/05/99   BOLIVAR                        REPORTED BY EOC.

0620 PM    LELAND                    MS   .88 INCH HAIL
05/05/99   WASHINGTON                     REPORTED BY P.D.
                                                                       .
0630 PM    7 S RAYVILLE              LA   1.75 INCH HAIL
05/05/99   RICHLAND                       REPORTED BY S.O.

0639 PM    ANGUILLA                  MS   .75 INCH HAIL
05/05/99   SHARKEY                        REPORTED BY HAM RADIO
                                          OPERATOR.

0700 PM    YAZOO CITY                MS   TORNADO
05/05/99   YAZOO                          REPORTED BY P.D.
Local storm report, May 5, 8:49 PM CDT, 2 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
849 PM CDT WED MAY 05 1999

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....PARISH/COUNTY LOCATION....

0831 AM    LAKE VILLAGE              AR   1 INCH HAIL
05/05/99   CHICOT                         QUARTER SIZED HAIL
                                          REPORTED NEAR LAKE VILLAGE

0925 AM    3 S.E. SHAW               MS   WIND DAMAGE
05/05/99   SUNFLOWER                      ROOFING TORN OFF 3 MI S.E.
                                          OF SHAW IN SUNFLOWER
                                          COUNTY

0445 PM    COLUMBIA                  MS   .88 INCH HAIL
05/05/99   MARION                         NICKEL SIZED HAIL REPORTED
                                          6 MI N OF COLUMBIA
0546 PM    SUNFLOWER                 MS   .75 INCH HAIL
05/05/99   SUNFLOWER                      DIME SIZED HAIL REPROTED
                                          BY SUNFLOWER C.D.

0540 PM    EUDORA                    AR   .88 INCH HAIL
05/05/99   CHICOT                         DIME SIZED HAIL REPROTED
                                          IN EUDORA BY S.O.

0552 PM    INDIANOLA                 MS   .75 INCH HAIL
05/05/99   SUNFLOWER                      DIME SIZED HAIL REPORTED
                                          JUST EAST OF INDIANOLA BY
                                          MSU CHASE TEAM

0720 PM    BELZONI                   MS   TORNADO
05/05/99   HUMPHREYS                      TOR CROSSED HIGHWAY 49.
                                          REPORTED BY MSU CHASE
                                          TEAM.

0727 PM    GREENWOOD                 MS   TORNADO
05/05/99   LEFLORE                        TOR 5 MI. S OF GREENWOOD
                                          BETWEEN GREENWOOD AND
                                          SIDON. TRAILORS
                                          OVERTURNED.

0745 PM    BLACK HAWK                MS   WIND DAMAGE
05/05/99   CARROLL                        TREES DOWN NEAR BLACK HAWK

0758 PM    DUCK HILL                 MS   WIND DAMAGE
05/05/99   MONTGOMERY                     TREES/POWER LINES DOWN
                                          EVERYWHERE

0800 PM    5 N.E. HEBERT             LA   1.75 INCH HAIL
05/05/99   RICHLAND                       GOLFBALL SIZED HAIL
                                          REPROTED 5 MI NORTHEAST OF
                                          HEBERT

0802 PM    WINONA                    MS   1 INCH HAIL
05/05/99   MONTGOMERY                     QUARTER SIZED HAIL
                                          REPORTED BY WONA

0804 PM    GRENADA                   MS   WIND DAMAGE
05/05/99   GRENADA                        TREES/POWER LINES DOWN AND
                                          ROOFING TORN OFF BLDG.

0815 PM    DUCK HILL                 MS   WIND DAMAGE
05/05/99   MONTGOMERY                     TREES DOWN 4 MI S OF ROUTE
                                          404 BLOCKING I-55
Local storm report, May 5, 8:49 PM CDT, 2 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE JACKSON MS
849 PM CDT WED MAY 05 1999

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....PARISH/COUNTY LOCATION....

0831 AM    LAKE VILLAGE              AR   1 INCH HAIL
05/05/99   CHICOT                         QUARTER SIZED HAIL
                                          REPORTED NEAR LAKE VILLAGE

0925 AM    3 SE SHAW                 MS   WIND DAMAGE
05/05/99   SUNFLOWER                      ROOFING TORN OFF 3 MI S.E.
                                          OF SHAW IN SUNFLOWER
                                          COUNTY

0445 PM    COLUMBIA                  MS   .88 INCH HAIL
05/04/99   MARION                         NICKEL SIZED HAIL REPORTED
                                          6 MI N OF COLUMBIA
0446 PM    SUNFLOWER                 MS   .75 INCH HAIL
05/05/99   SUNFLOWER                      DIME SIZED HAIL REPROTED
                                          BY SUNFLOWER C.D.

0540 PM    EUDORA                    AR   .88 INCH HAIL
05/05/99   CHICOT                         DIME SIZED HAIL REPROTED
                                          IN EUDORA BY S.O.

0552 PM    INDIANOLA                 MS   .75 INCH HAIL
05/05/99   SUNFLOWER                      DIME SIZED HAIL REPORTED
                                          JUST EAST OF INDIANOLA BY
                                          MSU CHASE TEAM

0720 PM    BELZONI                   MS   TORNADO
05/05/99   HUMPHREYS                      TOR CROSSED HIGHWAY 49.
                                          REPORTED BY MSU CHASE
                                          TEAM.

0720 PM    GREENWOOD                 MS   TORNADO
05/05/99   LEFLORE                        TOR 5 MI. S OF GREENWOOD
                                          BETWEEN GREENWOOD AND
                                          SIDON. TRAILORS
                                          OVERTURNED.
0745 PM    BLACK HAWK                MS   WIND DAMAGE
05/05/99   CARROLL                        TREES DOWN NEAR BLACK HAWK

0758 PM    DUCK HILL                 MS   WIND DAMAGE
05/05/99   MONTGOMERY                     TREES/POWER LINES DOWN
                                          EVERYWHERE

0800 PM    5 NE HEBERT               LA   1.75 INCH HAIL
05/05/99   RICHLAND                       GOLFBALL SIZED HAIL
                                          REPROTED 5 MI NORTHEAST OF
                                          HEBERT

0802 PM    WINONA                    MS   1 INCH HAIL
05/05/99   MONTGOMERY                     QUARTER SIZED HAIL
                                          REPORTED BY WONA

0804 PM    GRENADA                   MS   WIND DAMAGE
05/05/99   GRENADA                        TREES/POWER LINES DOWN AND
                                          ROOFING TORN OFF BLDG.

0815 PM    DUCK HILL                 MS   WIND DAMAGE
05/05/99   MONTGOMERY                     TREES DOWN 4 MI S OF ROUTE
                                          404 BLOCKING I-55

The office that day

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

IssuedProductOfficeCountiesLasted
May 5, 7:06 PM CDTTornado WarningJANHolmes49 min
May 5, 7:15 PM CDTTornado WarningJANCarroll, Leflore50 min
May 5, 7:21 PM CDTSevere Thunderstorm WarningJANGrenada49 min
May 5, 7:31 PM CDTTornado WarningJANHumphreys49 min
May 5, 7:37 PM CDTTornado WarningJANGrenada, Montgomery48 min
May 5, 7:47 PM CDTTornado WarningJANAttala48 min
May 5, 7:49 PM CDTSevere Thunderstorm WarningJANYazoo51 min
May 5, 8:00 PM CDTSevere Thunderstorm WarningJANHolmes50 min
May 5, 8:02 PM CDTSevere Thunderstorm WarningJANCarroll48 min
May 5, 8:05 PM CDTSevere Thunderstorm WarningJANSharkey50 min
May 5, 8:21 PM CDTSevere Thunderstorm WarningJANChoctaw, Montgomery, Webster49 min
May 5, 8:41 PM CDTSevere Thunderstorm WarningJANClay, Oktibbeha49 min
May 5, 8:46 PM CDTSevere Thunderstorm WarningJANHumphreys49 min
May 5, 8:51 PM CDTFlash Flood WarningJANIssaquena119 min
May 5, 8:51 PM CDTFlash Flood WarningJANSharkey119 min
May 5, 8:51 PM CDTFlash Flood WarningJANMontgomery119 min
May 5, 8:52 PM CDTSevere Thunderstorm WarningJANIssaquena48 min
May 5, 9:00 PM CDTSevere Thunderstorm WarningJANCarroll, Holmes50 min
May 5, 9:07 PM CDTSevere Thunderstorm WarningJANSharkey48 min
May 5, 9:10 PM CDTSevere Thunderstorm WarningJANMontgomery50 min
May 5, 9:27 PM CDTSevere Thunderstorm WarningJANClay, Lowndes48 min
May 5, 9:34 PM CDTSevere Thunderstorm WarningJANHumphreys, Yazoo46 min
May 5, 9:46 PM CDTSevere Thunderstorm WarningJANHolmes49 min
May 5, 10:32 PM CDTSevere Thunderstorm WarningJANAttala, Holmes, Yazoo48 min
May 5, 10:37 PM CDTSevere Thunderstorm WarningJANMadison48 min
May 5, 10:46 PM CDTSevere Thunderstorm WarningJANHinds49 min
May 5, 11:12 PM CDTSevere Thunderstorm WarningJANOktibbeha48 min
May 5, 11:15 PM CDTSevere Thunderstorm WarningJANLeake, Scott50 min
May 5, 11:15 PM CDTSevere Thunderstorm WarningJANRankin50 min
May 5, 11:16 PM CDTSevere Thunderstorm WarningJANLowndes49 min
May 6, 12:01 AM CDTSevere Thunderstorm WarningJANNeshoba49 min
May 6, 12:14 AM CDTSevere Thunderstorm WarningJANRankin, Simpson51 min
May 6, 12:19 AM CDTSevere Thunderstorm WarningJANCopiah51 min
May 6, 12:25 AM CDTSevere Thunderstorm WarningJANHinds35 min
May 6, 12:26 AM CDTSevere Thunderstorm WarningJANNoxubee49 min
May 6, 12:28 AM CDTSevere Thunderstorm WarningJANScott47 min
May 6, 12:35 AM CDTSevere Thunderstorm WarningJANNewton50 min
May 6, 12:47 AM CDTSevere Thunderstorm WarningJANKemper, Neshoba48 min
May 6, 1:26 AM CDTSevere Thunderstorm WarningJANLauderdale44 min
May 6, 3:02 AM CDTSevere Thunderstorm WarningJANJefferson Davis43 min
May 6, 4:18 AM CDTSevere Thunderstorm WarningJANClarke47 min

Nearby

Flash Flood Warnings in Mississippi, 1999Every flash flood warning in 1999

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.