Alert archive / Mississippi / Tornado Warnings in 1999

Tornado Warning 96, NWS Jackson, MS

January 29, 1999Forrest County, Mississippi

NWS Jackson, MS issued this tornado warning at Jan 29, 1999, 9:58 PM CST for Forrest County, Mississippi. It was in force for 47 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: Jan 29, 1999, 9:58 PM CST (03:58 UTC)
Expired: Jan 29, 1999, 10:45 PM CST
In force: 47 min
Issued by: NWS Jackson, MS
Area: Whole counties

County Forrest County, MS

What was reported inside it

Time	Report	Where	Remark
Jan 29, 10:12 PM CST	Hail 0.75	Hattiesburg, MS

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.

Issued	Product	Office	Lasted
Jan 29, 6:00 PM CST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 4.0 hours before the alert went out and 113 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: 774 J/kg
Mixed-layer CIN: -3 J/kg
Mixed-layer LCL: 547 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 216 m²/s²
0-3 km storm-relative helicity: 295 m²/s²
Significant tornado parameter: 0.8
Supercell composite: 4.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KJAN 300358 RRA
TORJAN
MSC035-300445-

BULLETIN- EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
958 PM CST FRI JAN 29 1999

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

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

* UNTIL 1045 PM CST

* AT 959 PM CST... RADAR INDICATED A THUNDERSTORM CAPABLE OF
  PRODUCING A TORNADO 6 MILES SOUTHWEST OF HATTIESBURG... MOVING
  EAST AT 30 MPH.

* SOME LOCATIONS IN THE. PATH OF THIS DANGEROUS STORM INCLUDE...
  HATTIESBURG AT 1010 PM CST
  PETAL AT 1010 PM CST

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

74

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, Jan 29, 6:18 PM CST, 3 hours 40 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
618 PM CST FRI JAN 29 1999

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

0605 PM    BROOKHAVEN                MS   .75 INCH HAIL
01/29/99   LINCOLN                        DIME SIZE HAIL REPORTED BY
                                          CIVIL DEFENSE.

0600 PM    2 W BROOKHAVEN            MS   .75 INCH HAIL
01/29/99   LINCOLN                        DIME SIZE REPORTED BY
                                          CIVIL DEFENSE.

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 29, 6:50 PM CST	Severe Thunderstorm Warning	JAN	Lamar	50 min
Jan 29, 7:38 PM CST	Severe Thunderstorm Warning	JAN	Forrest	47 min
Jan 29, 8:23 PM CST	Severe Thunderstorm Warning	JAN	Marion	52 min
Jan 29, 9:15 PM CST	Severe Thunderstorm Warning	JAN	Lamar	60 min
Jan 29, 9:29 PM CST	Flash Flood Warning	JAN	Adams, Jefferson	5 hr
Jan 29, 9:44 PM CST	Tornado Warning	JAN	Lamar	31 min
Jan 29, 10:42 PM CST	Flash Flood Warning	JAN	Clarke	2 hr
Jan 29, 10:42 PM CST	Flash Flood Warning	JAN	Jones	2 hr
Jan 29, 11:00 PM CST	Flash Flood Warning	JAN	Forrest, Lamar, Marion	3 hr
Jan 30, 1:50 AM CST	Flash Flood Warning	JAN	Lamar, Marion	2 hr
Jan 30, 1:50 AM CST	Flash Flood Warning	JAN	Forrest	2 hr
Jan 30, 8:47 AM CST	Flash Flood Warning	JAN	Claiborne, Copiah, Hinds, Jefferson	2 hr
Jan 30, 8:47 AM CST	Flash Flood Warning	JAN	Madison, Rankin	2 hr
Jan 30, 10:21 AM CST	Severe Thunderstorm Warning	JAN	Lincoln	29 min
Jan 30, 10:44 AM CST	Severe Thunderstorm Warning	JAN	Lawrence, Simpson	46 min
Jan 30, 11:09 AM CST	Flash Flood Warning	JAN	Lawrence, Rankin, Simpson, Smith	2 hr
Jan 30, 11:09 AM CST	Flash Flood Warning	JAN	Neshoba, Newton, Scott	2 hr
Jan 30, 12:17 PM CST	Flash Flood Warning	JAN	Clarke, Jasper, Kemper, Lauderdale	3 hr
Jan 30, 1:15 PM CST	Severe Thunderstorm Warning	JAN	Simpson, Smith	30 min
Jan 30, 4:41 PM CST	Severe Thunderstorm Warning	JAN	Jones	49 min
Jan 30, 5:00 PM CST	Severe Thunderstorm Warning	JAN	Lauderdale, Newton	50 min
Jan 30, 5:09 PM CST	Severe Thunderstorm Warning	JAN	Clarke, Jasper	66 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.