Alert archive / Mississippi / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 435, NWS Jackson, MS

May 6, 1999Copiah County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at May 6, 1999, 12:19 AM CDT for Copiah County, Mississippi. It was in force for 51 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 6, 1999, 12:19 AM CDT (05:19 UTC)
Expired: May 6, 1999, 1:10 AM CDT
In force: 51 min
Issued by: NWS Jackson, MS
Area: Whole counties

County Copiah County, MS

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 5.3 hours before the alert went out and 61 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Local storm report, May 5, 7:50 PM CDT, 4 hours 29 minutes 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, 3 hours 30 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, 3 hours 30 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.

Issued	Product	Office	Counties	Lasted
May 5, 7:06 PM CDT	Tornado Warning	JAN	Holmes	49 min
May 5, 7:15 PM CDT	Tornado Warning	JAN	Carroll, Leflore	50 min
May 5, 7:21 PM CDT	Severe Thunderstorm Warning	JAN	Grenada	49 min
May 5, 7:31 PM CDT	Tornado Warning	JAN	Humphreys	49 min
May 5, 7:37 PM CDT	Tornado Warning	JAN	Grenada, Montgomery	48 min
May 5, 7:47 PM CDT	Tornado Warning	JAN	Attala	48 min
May 5, 7:49 PM CDT	Severe Thunderstorm Warning	JAN	Yazoo	51 min
May 5, 8:00 PM CDT	Severe Thunderstorm Warning	JAN	Holmes	50 min
May 5, 8:02 PM CDT	Severe Thunderstorm Warning	JAN	Carroll	48 min
May 5, 8:05 PM CDT	Severe Thunderstorm Warning	JAN	Sharkey	50 min
May 5, 8:21 PM CDT	Severe Thunderstorm Warning	JAN	Choctaw, Montgomery, Webster	49 min
May 5, 8:41 PM CDT	Severe Thunderstorm Warning	JAN	Clay, Oktibbeha	49 min
May 5, 8:46 PM CDT	Severe Thunderstorm Warning	JAN	Humphreys	49 min
May 5, 8:51 PM CDT	Flash Flood Warning	JAN	Carroll, Holmes, Humphreys	119 min
May 5, 8:51 PM CDT	Flash Flood Warning	JAN	Issaquena	119 min
May 5, 8:51 PM CDT	Flash Flood Warning	JAN	Sharkey	119 min
May 5, 8:51 PM CDT	Flash Flood Warning	JAN	Montgomery	119 min
May 5, 8:52 PM CDT	Severe Thunderstorm Warning	JAN	Issaquena	48 min
May 5, 9:00 PM CDT	Severe Thunderstorm Warning	JAN	Carroll, Holmes	50 min
May 5, 9:07 PM CDT	Severe Thunderstorm Warning	JAN	Sharkey	48 min
May 5, 9:10 PM CDT	Severe Thunderstorm Warning	JAN	Montgomery	50 min
May 5, 9:27 PM CDT	Severe Thunderstorm Warning	JAN	Clay, Lowndes	48 min
May 5, 9:34 PM CDT	Severe Thunderstorm Warning	JAN	Humphreys, Yazoo	46 min
May 5, 9:46 PM CDT	Severe Thunderstorm Warning	JAN	Holmes	49 min
May 5, 10:32 PM CDT	Severe Thunderstorm Warning	JAN	Attala, Holmes, Yazoo	48 min
May 5, 10:37 PM CDT	Severe Thunderstorm Warning	JAN	Madison	48 min
May 5, 10:46 PM CDT	Severe Thunderstorm Warning	JAN	Hinds	49 min
May 5, 11:12 PM CDT	Severe Thunderstorm Warning	JAN	Oktibbeha	48 min
May 5, 11:15 PM CDT	Severe Thunderstorm Warning	JAN	Leake, Scott	50 min
May 5, 11:15 PM CDT	Severe Thunderstorm Warning	JAN	Rankin	50 min
May 5, 11:16 PM CDT	Severe Thunderstorm Warning	JAN	Lowndes	49 min
May 6, 12:01 AM CDT	Severe Thunderstorm Warning	JAN	Neshoba	49 min
May 6, 12:14 AM CDT	Severe Thunderstorm Warning	JAN	Rankin, Simpson	51 min
May 6, 12:25 AM CDT	Severe Thunderstorm Warning	JAN	Hinds	35 min
May 6, 12:26 AM CDT	Severe Thunderstorm Warning	JAN	Noxubee	49 min
May 6, 12:28 AM CDT	Severe Thunderstorm Warning	JAN	Scott	47 min
May 6, 12:35 AM CDT	Severe Thunderstorm Warning	JAN	Newton	50 min
May 6, 12:47 AM CDT	Severe Thunderstorm Warning	JAN	Kemper, Neshoba	48 min
May 6, 1:26 AM CDT	Severe Thunderstorm Warning	JAN	Lauderdale	44 min
May 6, 3:02 AM CDT	Severe Thunderstorm Warning	JAN	Jefferson Davis	43 min
May 6, 4:18 AM CDT	Severe Thunderstorm Warning	JAN	Clarke	47 min
May 5, 7:43 PM CDT	Severe Thunderstorm Warning	JAN	East Carroll, West Carroll	47 min
May 5, 7:45 PM CDT	Severe Thunderstorm Warning	JAN	Richland	50 min
May 5, 8:22 PM CDT	Severe Thunderstorm Warning	JAN	Franklin	48 min
May 5, 8:35 PM CDT	Severe Thunderstorm Warning	JAN	East Carroll, Madison	50 min
May 5, 8:35 PM CDT	Severe Thunderstorm Warning	JAN	West Carroll	50 min
May 5, 9:05 PM CDT	Severe Thunderstorm Warning	JAN	Franklin	50 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 1999 Every severe thunderstorm 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.