Alert archive / Mississippi / Tornado Warnings in 1999

Tornado Warning 129, NWS Jackson, MS

April 14, 1999Forrest County, Mississippi

NWS Jackson, MS issued this tornado warning at Apr 14, 1999, 11:53 PM CDT for Forrest County, Mississippi. It was in force for 52 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Apr 14, 1999, 11:53 PM CDT (04:53 UTC)
Expired
Apr 15, 1999, 12:45 AM CDT
In force
52 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Forrest County, MS

The radar

The Mobile radar (KMOB), 112 km from the middle of the area, began a volume at 04:53 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Apr 14, 11:58 PM CDTTornado F0Hattiesburg, MSThis weak tornado touched down in Hattiesburg with no damage reported.
Apr 15, 12:03 AM CDTHail 1.75Hattiesburg, MSGolfball size hail caused minor damage to homes and automobiles.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 14, 10:00 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 4.9 hours before the alert went out and 113 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, Slidell Radar S, LA at 00:00Z on 1999-04-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 836 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Slidell Radar S, LA at 00:00Z on 1999-04-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 167 square meters per square second.19395878Sfc1 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
836 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
738 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
167 m²/s²
0-3 km storm-relative helicity
283 m²/s²
Significant tornado parameter
1.3
Supercell composite
6.1

Open this sounding in Storm Lab

The text

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

999 
WFUS1 KJAN 150454 RRA
TORJAN
MSC035-150545-

BULLETIN- EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
1153 PM CDT WED APR 14 1999

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* TORNADO WARNING FOR...
  FORREST COUNTY IN SOUTHEASTERN MISSISSIPPI

* UNTIL 1245 AM CDT

* AT 1153 PM CDT... RADAR INDICATED A TORNADO IN THE VICINITY OF
  HATTIESBURG... MOVING NORTHEAST AT 50 MPH.

* SOME LOCATIONS IN THE PATH OF THIS DANGEROUS STORM INCLUDE...
  HATTIESBURG NOW
  PETAL AT 1157 PM CDT

ABANDON MOBILE HOMES GO IN A NEARBY STURDY BUILDING. AS A LAST
RESORT LIE FLAT IN A DITCH AND COVER YOUR HEAD.

64

What forecasters said that day

The local office's own words before this tornado 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, Apr 14, 7:17 PM CDT, 4 hours 36 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
717 PM CDT WED APR 14 1999

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

0545 PM    DARNELL                   LA   WIND DAMAGE
04/14/99   WEST CARROLL                   SEVERAL MOBILE HOMES
                                          DAMAGED...TREE DOWN ACROSS
                                          ROAD...POWERLINES DOWN

0555 PM    3 S LAKE PROVIDENCE       LA   WIND DAMAGE
04/14/99   EAST CARROLL                   LARGE SHED BLOWN INTO
                                          HIGHWAY 65 AND DESTROYED

0605 PM    FITLER                    MS   .75 INCH HAIL
04/14/99   ISSAQUENA

0620 PM    5 SW ROLLING FORK         MS   1 INCH HAIL
04/14/99   SHARKEY

0622 PM    2 W ROLLING FORK          MS   TORNADO
04/14/99   SHARKEY                        SPOTTER REPORTED A BRIEF
                                          TOUCHDOWN IN AN OPEN
                                          FIELD...NO APPARENT DAMAGE
Local storm report, Apr 14, 7:17 PM CDT, 4 hours 36 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
717 PM CDT WED APR 14 1999

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

0545 PM    DARNELL                   LA   WIND DAMAGE
04/14/99   WEST CARROLL                   SEVERAL MOBILE HOMES
                                          DAMAGED...TREE DOWN ACROSS
                                          ROAD...POWERLINES DOWN

0555 PM    3 S LAKE PROVIDENCE       LA   WIND DAMAGE
04/14/99   EAST CARROLL                   LARGE SHED BLOWN INTO
                                          HIGHWAY 65 AND DESTROYED

0605 PM    FITLER                    MS   .75 INCH HAIL
04/14/99   ISSAQUENA

0620 PM    5 SW ROLLING FORK         MS   1 INCH HAIL
04/14/99   SHARKEY

0622 PM    2 W ROLLING FORK          MS   TORNADO
04/14/99   SHARKEY                        SPOTTER REPORTED A BRIEF
                                          TOUCHDOWN IN AN OPEN
                                          FIELD...NO APPARENT DAMAGE

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 14, 7:09 PM CDTSevere Thunderstorm WarningJANHolmes, Leflore46 min
Apr 14, 7:21 PM CDTTornado WarningJANHolmes34 min
Apr 14, 7:24 PM CDTSevere Thunderstorm WarningJANClaiborne36 min
Apr 14, 7:32 PM CDTTornado WarningJANCarroll48 min
Apr 14, 7:49 PM CDTSevere Thunderstorm WarningJANHinds31 min
Apr 14, 7:57 PM CDTTornado WarningJANHolmes33 min
Apr 14, 8:12 PM CDTSevere Thunderstorm WarningJANMontgomery33 min
Apr 14, 8:31 PM CDTSevere Thunderstorm WarningJANWebster49 min
Apr 14, 8:35 PM CDTSevere Thunderstorm WarningJANIssaquena35 min
Apr 14, 8:38 PM CDTTornado WarningJANMontgomery32 min
Apr 14, 9:04 PM CDTSevere Thunderstorm WarningJANSharkey, Washington36 min
Apr 14, 9:14 PM CDTSevere Thunderstorm WarningJANHumphreys, Sunflower31 min
Apr 14, 9:21 PM CDTSevere Thunderstorm WarningJANClay49 min
Apr 14, 9:27 PM CDTSevere Thunderstorm WarningJANIssaquena33 min
Apr 14, 9:51 PM CDTSevere Thunderstorm WarningJANRankin, Simpson49 min
Apr 14, 9:58 PM CDTSevere Thunderstorm WarningJANJefferson Davis, Marion47 min
Apr 14, 10:17 PM CDTSevere Thunderstorm WarningJANScott, Smith48 min
Apr 14, 10:19 PM CDTSevere Thunderstorm WarningJANCovington, Smith51 min
Apr 14, 10:43 PM CDTSevere Thunderstorm WarningJANJasper32 min
Apr 14, 10:45 PM CDTTornado WarningJANCovington35 min
Apr 14, 10:53 PM CDTTornado WarningJANJones32 min
Apr 14, 10:59 PM CDTTornado WarningJANJasper51 min
Apr 14, 11:26 PM CDTSevere Thunderstorm WarningJANForrest, Jones34 min
Apr 14, 11:35 PM CDTTornado WarningJANJones50 min
Apr 14, 11:40 PM CDTSevere Thunderstorm WarningJANClarke, Lauderdale50 min
Apr 14, 11:41 PM CDTSevere Thunderstorm WarningJANLamar34 min
Apr 15, 12:23 AM CDTTornado WarningJANJones32 min
Apr 15, 12:31 AM CDTSevere Thunderstorm WarningJANKemper, Neshoba49 min
Apr 15, 12:35 AM CDTSevere Thunderstorm WarningJANClarke35 min

Nearby

Tornado Warnings in Mississippi, 1999Every tornado warning in 1999Tornadoes 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.