Alert archive / Mississippi / Tornado Warnings in 2007

Tornado Warning 97, NWS Jackson, MS

October 22, 2007Forrest County, Lamar County, Mississippi

NWS Jackson, MS issued this tornado warning at Oct 22, 2007, 6:38 PM CDT for Forrest County, Lamar County, Mississippi. It was in force for 43 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Oct 22, 2007, 6:38 PM CDT (23:38 UTC)
Expired
Oct 22, 2007, 7:21 PM CDT
In force
43 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon

Counties Forrest County, MS, Lamar County, MS

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 11.6 hours before the alert went out and 104 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, Slidell Radar S, LA at 12:00Z on 2007-10-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 595 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Slidell Radar S, LA at 12:00Z on 2007-10-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 66 square meters per square second.193958Sfc1 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
595 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
597 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
66 m²/s²
0-3 km storm-relative helicity
109 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.0

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KJAN 222340
TORJAN
MSC035-073-230030-
/O.NEW.KJAN.TO.W.0097.071022T2338Z-071023T0030Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
638 PM CDT MON OCT 22 2007

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL FORREST COUNTY IN SOUTHEAST MISSISSIPPI...
  THIS INCLUDES THE CITY OF HATTIESBURG...
  SOUTHEASTERN LAMAR COUNTY IN SOUTHEAST MISSISSIPPI...
  THIS INCLUDES THE CITY OF WEST HATTIESBURG...

* UNTIL 730 PM CDT

* AT 638 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED   
  A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 4             
  MILES SOUTHWEST OF LUMBERTON...MOVING NORTHEAST AT 35 MPH.

* THE TORNADO WILL BE NEAR...
  PURVIS AND ROCK HILL BY 655 PM CDT...
  8 MILES NORTHWEST OF MCLAURIN BY 705 PM CDT...
  WEST HATTIESBURG BY 715 PM CDT...
  HATTIESBURG AND SUNRISE BY 720 PM CDT...

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW IF YOU WAIT
TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

LAT...LON 3102 8960 3135 8937 3134 8913 3100 8923
TIME...MOT...LOC 2338Z 205DEG 33KT 3097 8947

$$

40
2 follow-up statements
000 
WWUS54 KJAN 222358
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
658 PM CDT MON OCT 22 2007

MSC035-073-230030-
/O.CON.KJAN.TO.W.0097.000000T0000Z-071023T0030Z/
FORREST MS-LAMAR MS-
658 PM CDT MON OCT 22 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM CDT FOR EASTERN
LAMAR AND CENTRAL FORREST COUNTIES...

AT 658 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
INDICATE A SEVERE THUNDERSTORM WITH STRONG ROTATION.  THIS TORNADO
WAS LOCATED NEAR ROCK HILL...OR ABOUT 16 MILES SOUTH OF
HATTIESBURG...MOVING NORTHEAST AT 45 MPH.

THE TORNADO WILL BE NEAR...
  MCLAURIN BY 705 PM CDT...
  SUNRISE AND 6 MILES SOUTHEAST OF HATTIESBURG BY 715 PM CDT...

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW IF YOU WAIT
TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

LAT...LON 3105 8944 3134 8931 3134 8913 3123 8916
      3122 8917 3111 8920 3111 8921 3105 8921
TIME...MOT...LOC 2358Z 206DEG 41KT 3111 8930

$$

40
000 
WWUS54 KJAN 230021
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
718 PM CDT MON OCT 22 2007

MSC035-073-230028-
/O.CAN.KJAN.TO.W.0097.000000T0000Z-071023T0030Z/
FORREST MS-LAMAR MS-
718 PM CDT MON OCT 22 2007

...THE TORNADO WARNING FOR EASTERN LAMAR AND CENTRAL FORREST COUNTIES
IS CANCELLED...

AT 718 PM...THE STORM WAS LOCATED JUST EAST OF SUNRISE AND HAD 
WEAKENED AS IT CROSSED HIGHWAY 98 ABOUT 7 MILES SOUTHEAST OF 
HATTIESBURG SINCE 7 PM. GUSTY WINDS OF 40 MPH ARE STILL POSSIBLE
IN NORTHEAST FORREST COUNTY THROUGH 730PM.

LAT...LON 3105 8944 3134 8931 3134 8913 3123 8916
      3122 8917 3111 8920 3111 8921 3105 8921
TIME...MOT...LOC 0018Z 206DEG 38KT 3131 8919

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 22, 4:19 AM CDTFlash Flood WatchJANAdams, Claiborne, Clarke, Copiah, Covington, Forrest and 23 more20 hr
Oct 22, 4:11 PM CDTSevere Thunderstorm WarningJANIssaquena34 min
Oct 22, 4:30 PM CDTTornado WarningJANWashington30 min
Oct 22, 4:53 PM CDTTornado WarningJANIssaquena, Sharkey, Washington52 min
Oct 22, 6:37 PM CDTSevere Thunderstorm WarningJANJefferson Davis, Lamar, Marion24 min

Nearby

Tornado Warnings in Mississippi, 2007Every tornado warning in 2007Tornadoes in 2007

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.