Alert archive / Mississippi / Tornado Warnings in 1999

Tornado Warning 110, NWS Jackson, MS

February 27, 1999Covington County, Mississippi

NWS Jackson, MS issued this tornado warning at Feb 27, 1999, 5:59 PM CST for Covington County, Mississippi. It was in force for 51 min. 1 report 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
Feb 27, 1999, 5:59 PM CST (23:59 UTC)
Expired
Feb 27, 1999, 6:50 PM CST
In force
51 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Covington County, MS

What was reported inside it

TimeReportWhereRemark
Feb 27, 6:30 PM CSTThunderstorm WindSeminary, MSA few trees were blown down.

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
Feb 27, 3:45 PM CSTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 12.0 hours before the alert went out and 91 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 12:00Z on 1999-02-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 17 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 12:00Z on 1999-02-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 198 square meters per square second.1939587897117Sfc1 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
17 J/kg
Mixed-layer CIN
-47 J/kg
Mixed-layer LCL
524 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
198 m²/s²
0-3 km storm-relative helicity
229 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KJAN 272359 RRA
TORJAN
MSC031-280050-

BULLETIN- EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
559 PM CST SAT FEB 27 1999

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

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

* UNTIL 650 PM CST

* AT 559 PM CST... RADAR INDICATED A THUNDERSTORM CAPABLE OF
  PRODUCING A TORNADO 11 MILES NORTHWEST OF COLLINS OR 3 MILES WEST
  OF MOUNT OLIVE... MOVING EAST AT 45 MPH.

* THE FOLLOWING LOCATION IS IN THE PATH OF THIS DANGEROUS STORM...
  MOUNT OLIVE AT 600 PM CST

* THIS STORM HAS A HISTORY OF PRODUCING DAMAGING WINDS IN ADDITION
  TO THE THREAT OF TORNADOES.

ABANDON MOBILE HOMES! GO IN A NEARBY STURDY BU\ILDING. AS A LAST
RESORT LIE FLAT IN A DITCH AND COVER YOUR HEAD.

68

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 27, 1:52 PM CSTSevere Thunderstorm WarningJANFranklin48 min
Feb 27, 2:06 PM CSTSevere Thunderstorm WarningJANJefferson34 min
Feb 27, 2:59 PM CSTSevere Thunderstorm WarningJANLincoln36 min
Feb 27, 3:06 PM CSTTornado WarningJANLincoln34 min
Feb 27, 3:11 PM CSTSevere Thunderstorm WarningJANWashington49 min
Feb 27, 3:14 PM CSTTornado WarningJANLawrence36 min
Feb 27, 3:22 PM CSTSevere Thunderstorm WarningJANLeflore, Sunflower48 min
Feb 27, 3:29 PM CSTSevere Thunderstorm WarningJANIssaquena, Sharkey36 min
Feb 27, 3:36 PM CSTTornado WarningJANJefferson Davis, Simpson49 min
Feb 27, 3:44 PM CSTSevere Thunderstorm WarningJANGrenada51 min
Feb 27, 3:57 PM CSTSevere Thunderstorm WarningJANWarren48 min
Feb 27, 3:59 PM CSTSevere Thunderstorm WarningJANCarroll51 min
Feb 27, 4:03 PM CSTSevere Thunderstorm WarningJANHolmes, Yazoo47 min
Feb 27, 4:15 PM CSTSevere Thunderstorm WarningJANMontgomery, Webster50 min
Feb 27, 4:18 PM CSTSevere Thunderstorm WarningJANAdams, Claiborne, Jefferson47 min
Feb 27, 4:21 PM CSTSevere Thunderstorm WarningJANHinds, Madison49 min
Feb 27, 4:26 PM CSTSevere Thunderstorm WarningJANAttala49 min
Feb 27, 4:38 PM CSTSevere Thunderstorm WarningJANFranklin47 min
Feb 27, 4:44 PM CSTSevere Thunderstorm WarningJANLeake46 min
Feb 27, 4:44 PM CSTSevere Thunderstorm WarningJANRankin46 min
Feb 27, 4:54 PM CSTSevere Thunderstorm WarningJANCopiah46 min
Feb 27, 5:06 PM CSTSevere Thunderstorm WarningJANLincoln49 min
Feb 27, 5:08 PM CSTSevere Thunderstorm WarningJANChoctaw, Oktibbeha, Winston47 min
Feb 27, 5:10 PM CSTSevere Thunderstorm WarningJANClay, Lowndes50 min
Feb 27, 5:12 PM CSTTornado WarningJANFranklin33 min
Feb 27, 5:16 PM CSTSevere Thunderstorm WarningJANNeshoba49 min
Feb 27, 5:19 PM CSTSevere Thunderstorm WarningJANScott51 min
Feb 27, 5:24 PM CSTTornado WarningJANCopiah36 min
Feb 27, 5:30 PM CSTSevere Thunderstorm WarningJANSimpson50 min
Feb 27, 5:32 PM CSTSevere Thunderstorm WarningJANRankin33 min
Feb 27, 5:36 PM CSTSevere Thunderstorm WarningJANLawrence49 min
Feb 27, 5:40 PM CSTSevere Thunderstorm WarningJANKemper50 min
Feb 27, 5:45 PM CSTTornado WarningJANJefferson Davis, Simpson50 min
Feb 27, 5:49 PM CSTTornado WarningJANLawrence36 min
Feb 27, 5:53 PM CSTSevere Thunderstorm WarningJANNoxubee32 min
Feb 27, 5:56 PM CSTSevere Thunderstorm WarningJANMarion49 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.