Alert archive / Mississippi / Tornado Warnings in 1999

Tornado Warning 101, NWS Jackson, MS

February 9, 1999Lincoln County, Mississippi

NWS Jackson, MS issued this tornado warning at Feb 9, 1999, 3:05 PM CST for Lincoln County, Mississippi. It was in force for 35 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 9, 1999, 3:05 PM CST (21:05 UTC)
Expired: Feb 9, 1999, 3:40 PM CST
In force: 35 min
Issued by: NWS Jackson, MS
Area: Whole counties

County Lincoln County, MS

What was reported inside it

Time	Report	Where	Remark
Feb 9, 3:10 PM CST	Hail 1.75	Brookhaven, MS	Golfball size hail caused minor damage to many roofs 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 nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 9.1 hours before the alert went out and 94 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 658 J/kg
Mixed-layer CIN: -105 J/kg
Mixed-layer LCL: 497 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 136 m²/s²
0-3 km storm-relative helicity: 124 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 1.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KJAN 092105 RRA
TORJAN
MSC085-092140-

BULLETIN- EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
305 PM CST TUE FEB 9 1999

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* TORNADO WARNING FOR...
  LINCOLN COUNTY IN SOUTH CENTRAL MISSISSIPPI

* UNTIL 340 PM CST

* AT 303 PM CST... RADAR INDICATED A TORNADO 7 MILES NORTH OF
  BROOKHAVEN... MOVING SOUTHEAST AT 15 MPH.

THIS STORM WILL MAINLY AFFECT SMALLER COMMUNITIES INCLUDING
 BfROOKHAVEN BY 320 PM ST

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

76

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 9, 9:49 AM CST, 5 hours 16 minutes before

ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>066-072>074-
110400-

AREA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE JACKSON MS
1000 AM CST WED FEB 10 1999

A FRONTAL BOUNDARY JUST NORTH OF THE STATE WILL SLOWLY BEGIN MOVING
NORTHWARD TODAY.  INCREASING SOUTHERLY FLOW WILL PROVIDE WARM TEMPERATURES
AND ABUNDANT MOISTURE OVER THE REGION. WARM AND MOIST CONDITIONS COMBINED
WITH AN UNSTABLE AIRMASS WILL PRODUCE SHOWERS AND THUNDERSTORMS THROUGH
EARLY EVENING. WHILE A FEW STRONG THUNDERSTORMS MAY DEVELOP...NO WIDESPREAD
SEVERE WEATHER IS EXPECTED.

ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS AND EMERGENCY
MANAGEMENT/CIVIL DEFENSE PERSONNEL WILL NOT BE REQUIRED AT THIS TIME.
HOWEVER...EMERGENCY PERSONNEL AND SPOTTERS SHOULD REMAIN ALERT FOR ANY
RAPIDLY CHANGING WEATHER CONDITIONS.

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

Special weather statement, Feb 9, 9:50 AM CST, 5 hours 15 minutes before

ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>066-072>074-
100400-

AREA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE JACKSON MS
950 AM CST TUE FEB 9 1999

WARM...MOIST AIR WILL CONTINUE TO SPREAD NORTH FROM THE GULF OF MEXICO
TODAY AHEAD OF A WEAK FRONTAL BOUNDARY. DURING THE MORNING...SCATTERED
SHOWERS WILL DEVELOP ACROSS THE FORECAST AREA WITH ISOLATED STRONG
THUNDERSTORMS POSSIBLE. THE CHANCE OF SHOWERS AND THUNDERSTORMS WILL
INCREASE DURING THE AFTERNOON. AN UPPER LEVEL DISTURBANCE IS EXPECTED TO
MOVE ACROSS THE REGION DURING THE MAXIMUM HEATING OF THE DAY. WITH THIS
DIURNAL HEATING...THE AIRMASS WILL BECOME MORE UNSTABLE...PARTICULARLY
IN THE VICINITY OF THE SLOW-MOVING FRONTAL BOUNDARY. WHILE A FEW STRONG
THUNDERSTORMS MAY DEVELOP...NO WIDESPREAD SEVERE WEATHER IS EXPECTED.

ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS AND EMERGENCY
MANAGEMENT/CIVIL DEFENSE PERSONNEL WILL NOT BE REQUIRED AT THIS TIME.
HOWEVER...EMERGENCY PERSONNEL AND SPOTTERS SHOULD REMAIN ALERT FOR ANY
RAPIDLY CHANGING WEATHER CONDITIONS.

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

Local storm report, Feb 9, 1:53 PM CST, 1 hour 12 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
153 PM CST TUE FEB 09 1999

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

0130 PM    ST JOSEPH                 LA   FLOODING
02/09/99   TENSAS                         SOME STREETS AND YARDS
                                          FLOODED PER OEP OFFICE

0140 PM    15 SW HAZLEHURST          MS   1.5 INCH HAIL
02/09/99   COPIAH                         REPORTED BY COPIAH COUNTY
                                          GAME MANAGEMENT STAFF

Local storm report, Feb 9, 2:28 PM CST, 37 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
228 PM CST TUE FEB 09 1999

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

0215 PM    10 SW HAZLEHURST          MS   1.75 INCH HAIL
02/09/99   COPIAH                         REPORTED BY CD OFFICE

0231 PM    WESSON                    MS   1.75 INCH HAIL
02/09/99   COPIAH                         REPORTED THROUGH STATE EOC
                                          BY COUNTY CD OFFICE

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 9, 1:18 PM CST	Tornado Warning	JAN	Claiborne, Jefferson	32 min
Feb 9, 1:32 PM CST	Tornado Warning	JAN	Copiah	48 min
Feb 9, 2:15 PM CST	Tornado Warning	JAN	Lincoln	50 min
Feb 9, 2:23 PM CST	Tornado Warning	JAN	Copiah	32 min
Feb 9, 3:01 PM CST	Severe Thunderstorm Warning	JAN	Covington, Jones	49 min
Feb 9, 3:14 PM CST	Tornado Warning	JAN	Jefferson Davis	46 min
Feb 9, 4:03 PM CST	Severe Thunderstorm Warning	JAN	Jefferson Davis, Lawrence	47 min

Nearby

Tornado Warnings in Mississippi, 1999 Every tornado warning in 1999 Tornadoes 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.