Alert archive / Mississippi / Tornado Warnings in 2007

Tornado Warning 98, NWS Jackson, MS

November 21, 2007Forrest County, Lamar County, Mississippi

NWS Jackson, MS issued this tornado warning at Nov 21, 2007, 5:49 PM CST for Forrest County, Lamar County, Mississippi. It was in force for 42 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Nov 21, 2007, 5:49 PM CST (23:49 UTC)
Expired
Nov 21, 2007, 6:31 PM CST
In force
42 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon

Counties Forrest County, MS, Lamar County, MS

The radar

The Mobile radar (KMOB), 112 km from the middle of the area, began a volume at 23:50 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Nov 21, 6:03 PM CSTFUNNEL CLOUD2 Sw Mclaurin, MSREPORTED JUST N OF CHURCHWELL ROAD
Nov 21, 6:03 PM CSTHAIL 0.5Mclaurin, MSDIME SIZED HAIL AT SOUTH GATE OF CAMP SHELBY

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 11.8 hours before the alert went out and 107 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 2007-11-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 616 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 2007-11-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 123 square meters per square second.19395878Sfc1 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
616 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
614 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
123 m²/s²
0-3 km storm-relative helicity
156 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.4

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KJAN 212349
TORJAN
MSC035-073-220045-
/O.NEW.KJAN.TO.W.0098.071121T2349Z-071122T0045Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
549 PM CST WED NOV 21 2007

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL FORREST COUNTY IN SOUTHEAST MISSISSIPPI...
  EASTERN LAMAR COUNTY IN SOUTHEAST MISSISSIPPI...

* UNTIL 645 PM CST

* AT 549 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  TORNADO NEAR ROCK HILL...OR ABOUT 13 MILES SOUTH OF HATTIESBURG...
  MOVING EAST AT 15 MPH.

* THE TORNADO WILL BE NEAR...
  ROCK HILL BY 555 PM CST...
  MCLAURIN BY 615 PM CST...

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 3107 8940 3121 8938 3129 8913 3107 8913
TIME...MOT...LOC 2349Z 267DEG 15KT 3113 8935

$$

GARRETT
4 follow-up statements
000 
WWUS54 KJAN 212357
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
555 PM CST WED NOV 21 2007

MSC073-220005-
/O.CAN.KJAN.TO.W.0098.000000T0000Z-071122T0045Z/
LAMAR MS-
555 PM CST WED NOV 21 2007

...THE TORNADO WARNING FOR EASTERN LAMAR COUNTY IS CANCELLED...

LAT...LON 3107 8935 3122 8935 3129 8913 3107 8913
TIME...MOT...LOC 2355Z 249DEG 28KT 3116 8928

$$

MSC035-220045-
/O.CON.KJAN.TO.W.0098.000000T0000Z-071122T0045Z/
FORREST MS-
555 PM CST WED NOV 21 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM CST FOR CENTRAL
FORREST COUNTY...

AT 555 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING
A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO LOCATED NEAR 
ROCK HILL...OR ABOUT 11 MILES SOUTH OF HATTIESBURG...MOVING EAST AT 
30 MPH.

THE TORNADO WILL BE NEAR...
  MCLAURIN BY 600 PM CST...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
GOLFBALL SIZE.

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 3107 8935 3122 8935 3129 8913 3107 8913
TIME...MOT...LOC 2355Z 249DEG 28KT 3116 8928

$$

GARRETT
000 
WWUS54 KJAN 220008
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
607 PM CST WED NOV 21 2007

MSC035-220045-
/O.CON.KJAN.TO.W.0098.000000T0000Z-071122T0045Z/
FORREST MS-
607 PM CST WED NOV 21 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM CST FOR EASTERN
FORREST COUNTY...

AT 607 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING
A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO LOCATED NEAR 
MCLAURIN...OR ABOUT 12 MILES SOUTH OF HATTIESBURG...MOVING EAST AT 
15 MPH.

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
GOLFBALL SIZE HAIL.

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 3110 8929 3121 8928 3129 8913 3107 8913
TIME...MOT...LOC 0007Z 272DEG 16KT 3115 8923

$$

GARRETT
000 
WWUS54 KJAN 220022
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
621 PM CST WED NOV 21 2007

MSC035-220045-
/O.CON.KJAN.TO.W.0098.000000T0000Z-071122T0045Z/
FORREST MS-
621 PM CST WED NOV 21 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM CST FOR EASTERN
FORREST COUNTY...

AT 621 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING
A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 9 MILES 
SOUTHWEST OF NEW AUGUSTA...MOVING EAST AT 15 MPH.

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 3112 8922 3118 8921 3126 8914 3110 8914
TIME...MOT...LOC 0021Z 272DEG 16KT 3115 8916

$$

GARRETT
000 
WWUS54 KJAN 220031
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
631 PM CST WED NOV 21 2007

MSC035-220041-
/O.CAN.KJAN.TO.W.0098.000000T0000Z-071122T0045Z/
FORREST MS-
631 PM CST WED NOV 21 2007

...THE TORNADO WARNING FOR EASTERN FORREST COUNTY IS CANCELLED...

THE STORM THAT PROMPTED THE TORNADO WARNING HAS MOVED OUT OF THE
COUNTY.

LAT...LON 3112 8922 3118 8921 3126 8914 3110 8914
TIME...MOT...LOC 0031Z 272DEG 16KT 3115 8911

$$

GARRETT

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 21, 5:26 PM CSTSevere Thunderstorm WarningJANForrest, Lamar49 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.