Alert archive / Mississippi / Tornado Warnings in 1999

Tornado Warning 39, NWS Jackson, MS

January 21, 1999Washington County, Mississippi

NWS Jackson, MS issued this tornado warning at Jan 21, 1999, 10:54 PM CST for Washington 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
Jan 21, 1999, 10:54 PM CST (04:54 UTC)
Expired
Jan 21, 1999, 11:45 PM CST
In force
51 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Washington County, MS

The watch it was issued in

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

IssuedProductOfficeLasted
Jan 21, 9:00 PM CSTTornado WatchSPC6 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 4.9 hours before the alert went out and 134 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 1999-01-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 957 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 1999-01-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 156 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
957 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
1350 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
156 m²/s²
0-3 km storm-relative helicity
263 m²/s²
Significant tornado parameter
0.6
Supercell composite
4.8

Open this sounding in Storm Lab

The text

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

999 
WFUS1 KJAN 220455 RRA
TORJAN
MSC151-220545-

BULLETIN- EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
1054 PM CST THU JAN 21 1999

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* TORNADO WARNING FOR...
  WASHINGTON COUNTY IN NORTHWESTERN MISSISSIPPI

* UNTIL 1145 PM CST

* AT 1053 PM CST... RADAR INDICATED A TORNADO IN THE VICINITY OF
  GREENVILLE... MOVING NORTHEAST AT 50 MPH.

* SOME LOCATIONS IN THE PATH OF THIS DANGEROUS STORM INCLUDE...
  GREENVILLE AT 1058 PM CST
  METCALFE AT 1056 PM CST
  LELAND AT 1055 PM CST

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

68

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 21, 7:53 PM CSTTornado WarningJANBolivar, Washington62 min
Jan 21, 8:53 PM CSTSevere Thunderstorm WarningJANWashington47 min
Jan 21, 9:17 PM CSTSevere Thunderstorm WarningJANBolivar33 min
Jan 21, 9:35 PM CSTTornado WarningJANSunflower50 min
Jan 21, 9:58 PM CSTTornado WarningJANIssaquena47 min
Jan 21, 10:07 PM CSTTornado WarningJANWashington48 min
Jan 21, 10:16 PM CSTTornado WarningJANSharkey49 min
Jan 21, 10:34 PM CSTTornado WarningJANHumphreys, Sunflower46 min
Jan 21, 10:44 PM CSTTornado WarningJANIssaquena36 min
Jan 21, 10:48 PM CSTTornado WarningJANWarren32 min
Jan 21, 11:04 PM CSTTornado WarningJANBolivar51 min
Jan 21, 11:07 PM CSTTornado WarningJANLeflore48 min
Jan 21, 11:26 PM CSTTornado WarningJANSunflower34 min
Jan 21, 11:48 PM CSTSevere Thunderstorm WarningJANBolivar, Washington47 min
Jan 22, 12:02 AM CSTTornado WarningJANBolivar, Sunflower48 min
Jan 22, 8:16 AM CSTTornado WarningJANWashington64 min
Jan 22, 8:46 AM CSTSevere Thunderstorm WarningJANAdams34 min
Jan 22, 8:49 AM CSTTornado WarningJANSunflower61 min
Jan 22, 8:52 AM CSTTornado WarningJANHumphreys63 min
Jan 22, 9:11 AM CSTSevere Thunderstorm WarningJANJefferson49 min
Jan 22, 9:14 AM CSTTornado WarningJANLeflore46 min
Jan 22, 9:20 AM CSTSevere Thunderstorm WarningJANIssaquena, Sharkey45 min
Jan 22, 9:26 AM CSTTornado WarningJANClaiborne49 min
Jan 22, 9:28 AM CSTTornado WarningJANSharkey47 min
Jan 22, 9:39 AM CSTTornado WarningJANYazoo51 min
Jan 22, 10:00 AM CSTSevere Thunderstorm WarningJANHolmes50 min
Jan 22, 10:03 AM CSTSevere Thunderstorm WarningJANHinds47 min
Jan 22, 10:10 AM CSTSevere Thunderstorm WarningJANWarren30 min
Jan 22, 10:14 AM CSTTornado WarningJANCopiah46 min
Jan 22, 10:17 AM CSTTornado WarningJANHolmes48 min
Jan 22, 10:23 AM CSTSevere Thunderstorm WarningJANCarroll, Grenada62 min
Jan 22, 10:38 AM CSTTornado WarningJANHinds47 min
Jan 22, 10:44 AM CSTSevere Thunderstorm WarningJANMontgomery46 min
Jan 22, 11:15 AM CSTTornado WarningJANMadison50 min
Jan 22, 11:55 AM CSTSevere Thunderstorm WarningJANHinds, Madison, Yazoo50 min
Jan 22, 12:02 PM CSTTornado WarningJANYazoo48 min
Jan 22, 12:13 PM CSTTornado WarningJANLeake, Neshoba47 min
Jan 22, 12:15 PM CSTTornado WarningJANHolmes50 min
Jan 22, 12:29 PM CSTTornado WarningJANWinston46 min
Jan 22, 1:01 PM CSTSevere Thunderstorm WarningJANNoxubee, Oktibbeha49 min
Jan 22, 1:04 PM CSTSevere Thunderstorm WarningJANMontgomery46 min
Jan 22, 1:07 PM CSTTornado WarningJANAdams48 min
Jan 22, 1:12 PM CSTTornado WarningJANWarren48 min
Jan 22, 1:30 PM CSTTornado WarningJANSharkey50 min
Jan 22, 1:34 PM CSTSevere Thunderstorm WarningJANAttala, Holmes51 min
Jan 22, 1:53 PM CSTTornado WarningJANAdams, Jefferson47 min
Jan 22, 1:55 PM CSTSevere Thunderstorm WarningJANLowndes, Noxubee50 min
Jan 22, 1:58 PM CSTSevere Thunderstorm WarningJANHumphreys47 min
Jan 22, 2:02 PM CSTTornado WarningJANHinds48 min
Jan 22, 2:05 PM CSTSevere Thunderstorm WarningJANMontgomery50 min
Jan 22, 2:08 PM CSTTornado WarningJANClaiborne47 min
Jan 22, 2:18 PM CSTSevere Thunderstorm WarningJANLauderdale47 min
Jan 22, 2:21 PM CSTTornado WarningJANMadison, Yazoo49 min
Jan 22, 2:26 PM CSTTornado WarningJANWarren49 min
Jan 22, 2:31 PM CSTTornado WarningJANAttala, Carroll, Holmes49 min
Jan 22, 2:46 PM CSTTornado WarningJANHinds49 min
Jan 22, 2:48 PM CSTTornado WarningJANMontgomery47 min
Jan 22, 2:56 PM CSTSevere Thunderstorm WarningJANAdams, Jefferson49 min
Jan 22, 3:07 PM CSTTornado WarningJANAttala, Madison48 min
Jan 22, 3:07 PM CSTTornado WarningJANHolmes48 min
Jan 22, 3:12 PM CSTSevere Thunderstorm WarningJANClaiborne48 min
Jan 22, 3:17 PM CSTSevere Thunderstorm WarningJANWebster48 min
Jan 22, 3:19 PM CSTTornado WarningJANRankin51 min
Jan 22, 3:21 PM CSTTornado WarningJANCopiah49 min
Jan 22, 3:31 PM CSTTornado WarningJANHinds34 min
Jan 22, 3:36 PM CSTTornado WarningJANFranklin49 min
Jan 22, 3:53 PM CSTTornado WarningJANAttala47 min
Jan 22, 3:55 PM CSTTornado WarningJANMadison50 min
Jan 22, 4:10 PM CSTSevere Thunderstorm WarningJANCopiah, Lincoln45 min
Jan 22, 4:10 PM CSTSevere Thunderstorm WarningJANHinds45 min
Jan 22, 4:27 PM CSTTornado WarningJANLeake48 min
Jan 22, 4:40 PM CSTTornado WarningJANAttala50 min
Jan 22, 4:44 PM CSTTornado WarningJANChoctaw, Webster51 min
Jan 22, 4:50 PM CSTSevere Thunderstorm WarningJANRankin, Simpson50 min
Jan 22, 4:50 PM CSTSevere Thunderstorm WarningJANMadison50 min
Jan 22, 4:55 PM CSTSevere Thunderstorm WarningJANHinds15 min
Jan 22, 5:04 PM CSTTornado WarningJANLincoln46 min
Jan 22, 5:24 PM CSTSevere Thunderstorm WarningJANAttala, Leake51 min
Jan 22, 5:26 PM CSTSevere Thunderstorm WarningJANLawrence49 min
Jan 22, 5:39 PM CSTTornado WarningJANJefferson Davis, Lawrence, Simpson46 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.