Alert archive / Mississippi / Tornado Warnings in 1999

Tornado Warning 104, NWS Jackson, MS

February 27, 1999Lawrence County, Mississippi

NWS Jackson, MS issued this tornado warning at Feb 27, 1999, 3:14 PM CST for Lawrence County, Mississippi. It was in force for 36 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, 3:14 PM CST (21:14 UTC)
Expired
Feb 27, 1999, 3:50 PM CST
In force
36 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Lawrence County, MS

What was reported inside it

TimeReportWhereRemark
Feb 27, 3:25 PM CSTTornado F3Sontag, MSThis strong tornado moved across Northern Lawrence county through mainly rural areas knocking down many trees and power lines. Many homes received damage, particularly near the towns of Sontag and New Hebron. Several homes received major damage.

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 nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 9.2 hours before the alert went out and 86 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 272114 RRA
TORJAN
MSC077-272150-

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

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN LAWRENCE COUNTY IN SOUTH CENTRAL MISSISSIPPI

* UNTIL 350 PM CST

* AT 313 PM CST... RADAR INDICATED A TORNADO 10 MILES NORTHWEST OF
  MONTICELLO... MOVING EAST AT 45 MPH.

* THE FOLLOWING LOCATION IS IN THE PATH OF THIS DANGEROUS STORM...
  NEW HEBRON AT 330 PM CST

GO TO THE BASEMENT OR A SMALL INTERIOR ROOM ON THE LOWEST FLOOR!

68

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

Special weather statement, Feb 27, 10:00 AM CST, 5 hours 14 minutes before
ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>066-072>074-
280400-

AREA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE JACKSON MS
1000 AM CST SAT FEB 27 1999

...RISK OF SEVERE THUNDERSTORMS ACROSS THE REGION LATER THIS AFTERNOON
AND EARLY TONIGHT...

A LOW PRESSURE SYSTEM WAS OVER SOUTHWEST MISSOURI THIS MORNING...WITH A
COLD FRONT EXTENDING FROM THE LOW ACROSS NORTHWEST ARKANSAS...SOUTHEAST
OKLAHOMA...AND EASTERN TEXAS. SOUTHERLY WINDS AHEAD OF THIS SYSTEM WERE
BRINGING MOIST AND UNSTABLE AIR INTO THE LOWER MISSISSIPPI VALLEY REGION.

AS THE LOW MOVES NORTHEAST TODAY...IT WILL SWEEP THE COLD FRONT EAST
INTO THE LOWER MISSISSIPPI VALLEY...WITH THE FRONT MOVING ACROSS THE
REGION LATER THIS AFTERNOON AND EARLY TONIGHT. SCATTERED THUNDERSTORMS
WILL DEVELOP AHEAD OF THE SYSTEM THIS AFTERNOON...WITH THE ACTIVITY LIKELY
TO FORM INTO A LINE OF STORMS WHICH WILL ACCOMPANY THE FRONT ACROSS THE
REGION.

SOME OF THESE STORMS MAY BECOME SEVERE WITH LARGE HAIL AND DAMAGING
WINDS. ALTHOUGH THE ENTIRE REGION WILL SEE A RISK OF SEVERE WEATHER
LATER TODAY AND EARLY TONIGHT...THE GREATEST THREAT IS OVER THE
DELTA COUNTIES OF NORTHWEST MISSISSIPPI...SOUTHEAST ARKANASAS...
AND NORTHEAST LOUISIANA.

ACTIVATION OF STORM SPOTTERS...EMERGENCY MANAGEMENT PERSONNEL...AND
HAM RADIO OPERATORS MAY BE REQUIRED THIS AFTERNOON AND TONIGHT.

FOR MORE INFORMATION...PLEASE VISIT OUR INTERNET WEBSITE AT...
HTTP://WWW.JANNWS.STATE.MS.US            /IN LOWER CASE LETTERS/
Special weather statement, Feb 27, 10:00 AM CST, 5 hours 14 minutes before
ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>066-072>074-
280400-

AREA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE JACKSON MS
1000 AM CST SAT FEB 27 1999

...RISK OF SEVERE THUNDERSTORMS ACROSS THE REGION LATER THIS AFTERNOON
AND EARLY TONIGHT...

A LOW PRESSURE SYSTEM WAS OVER SOUTHWEST MISSOURI THIS MORNING...WITH A
COLD FRONT EXTENDING FROM THE LOW ACROSS NORTHWEST ARKANSAS...SOUTHEAST
OKLAHOMA...AND EASTERN TEXAS. SOUTHERLY WINDS AHEAD OF THIS SYSTEM WERE
BRINGING MOIST AND UNSTABLE AIR INTO THE LOWER MISSISSIPPI VALLEY REGION.

AS THE LOW MOVES NORTHEAST TODAY...IT WILL SWEEP THE COLD FRONT EAST
INTO THE LOWER MISSISSIPPI VALLEY...WITH THE FRONT MOVING ACROSS THE
REGION LATER THIS AFTERNOON AND EARLY TONIGHT. SCATTERED THUNDERSTORMS
WILL DEVELOP AHEAD OF THE SYSTEM THIS AFTERNOON...WITH THE ACTIVITY LIKELY
TO FORM INTO A LINE OF STORMS WHICH WILL ACCOMPANY THE FRONT ACROSS THE
REGION.

SOME OF THESE STORMS MAY BECOME SEVERE WITH LARGE HAIL AND DAMAGING
WINDS. ALTHOUGH THE ENTIRE REGION WILL SEE A RISK OF SEVERE WEATHER
LATER TODAY AND EARLY TONIGHT...THE GREATEST THREAT IS OVER THE
DELTA COUNTIES OF NORTHWEST MISSISSIPPI...SOUTHEAST ARKANASAS...
AND NORTHEAST LOUISIANA.

ACTIVATION OF STORM SPOTTERS...EMERGENCY MANAGEMENT PERSONNEL...AND
HAM RADIO OPERATORS MAY BE REQUIRED THIS AFTERNOON AND TONIGHT.

FOR MORE INFORMATION...PLEASE VISIT OUR INTERNET WEBSITE AT...
HTTP://WWW.JANNWS.STATE.MS.US            /IN LOWER CASE LETTERS/

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, 3:22 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
Feb 27, 5:59 PM CSTTornado WarningJANCovington51 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.