Alert archive / Mississippi / Tornado Warnings in 1999

Tornado Warning 124, NWS Jackson, MS

April 14, 1999Montgomery County, Mississippi

NWS Jackson, MS issued this tornado warning at Apr 14, 1999, 8:38 PM CDT for Montgomery County, Mississippi. It was in force for 32 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
Apr 14, 1999, 8:38 PM CDT (01:38 UTC)
Expired
Apr 14, 1999, 9:10 PM CDT
In force
32 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Montgomery County, MS

The radar

The Columbus AFB radar (KGWX), 127 km from the middle of the area, began a volume at 01:42 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.

The watch it was issued in

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

IssuedProductOfficeLasted
Apr 14, 6:30 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 1.6 hours before the alert went out and 138 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 1999-04-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 219 joules per kilogram.LCLLFCEL10008507005003002001001 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 1999-04-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 219 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
219 J/kg
Mixed-layer CIN
-112 J/kg
Mixed-layer LCL
1104 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
219 m²/s²
0-3 km storm-relative helicity
361 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KJAN 150138 RRA
TORJAN
MSC097-150210-

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

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN MONTGOMERY COUNTY IN NORTH CENTRAL MISSISSIPPI

* UNTIL 910 PM CDT

* AT 837 PM CDT... RADAR INDICATED A TORNADO 14 MILES SOUTH OF
  WINONA OR 11 MILES SOUTH OF KILMICHAEL... MOVING NORTHEAST AT 55
  MPH.

* THE FOLLOWING LO`CATION IS IN THE PATH OF THIS DANGEROUS STORM...
  STEWART AT 845 PM CDT

IF YOU ARE IN A MULTIPLE STORY BUILDING...GO TO A SMALL INTERIOR
ROOM AWAY FROM WINDOWS.

82

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, 1 hour 21 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, 1 hour 21 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, 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 14, 11:53 PM CDTTornado WarningJANForrest52 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.