Alert archive / Mississippi / Tornado Warnings in 2007

Tornado Warning 79, NWS Jackson, MS

October 17, 2007Forrest County, Lamar County, Mississippi

NWS Jackson, MS issued this tornado warning at Oct 17, 2007, 8:02 PM CDT for Forrest County, Lamar County, Mississippi. It was in force for 28 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 17, 2007, 8:02 PM CDT (01:02 UTC)
Expired
Oct 17, 2007, 8:30 PM CDT
In force
28 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon

Counties Forrest County, MS, Lamar County, MS

The radar

The Mobile radar (KMOB), 122 km from the middle of the area, began a volume at 01:02 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Oct 17, 7:09 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 1.0 hours before the alert went out and 111 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 00:00Z on 2007-10-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1054 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, Slidell Radar S, LA at 00:00Z on 2007-10-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 104 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
1054 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
779 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
104 m²/s²
0-3 km storm-relative helicity
161 m²/s²
Significant tornado parameter
0.7
Supercell composite
6.8

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KJAN 180102
TORJAN
MSC035-073-180130-
/O.NEW.KJAN.TO.W.0079.071018T0102Z-071018T0130Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
802 PM CDT WED OCT 17 2007

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

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

* UNTIL 830 PM CDT

* AT 802 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE
  TRACKING A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR
  PURVIS...OR ABOUT 13 MILES SOUTH OF WEST HATTIESBURG...MOVING
  NORTHEAST AT 25 MPH.

* THE TORNADO WILL BE NEAR...
  RURAL FORREST COUNTY AT 820 PM CDT
  RURAL LAMAR COUNTY AT 820 PM CDT

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 3129 8938 3128 8921 3107 8937 3110 8945
TIME...MOT...LOC 0102Z 205DEG 24KT 3114 8938

$$

DHB

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 17, 7:17 PM CDTTornado WarningJANJefferson Davis43 min
Oct 17, 7:44 PM CDTTornado WarningJANForrest, Lamar31 min
Oct 17, 8:27 PM CDTTornado WarningJANJones30 min
Oct 17, 8:28 PM CDTTornado WarningJANForrest32 min
Oct 17, 8:49 PM CDTTornado WarningJANWarren56 min
Oct 17, 8:55 PM CDTTornado WarningJANJasper, Smith50 min
Oct 17, 9:02 PM CDTTornado WarningJANJones38 min
Oct 17, 9:39 PM CDTTornado WarningJANYazoo51 min
Oct 17, 9:55 PM CDTTornado WarningJANClarke22 min
Oct 17, 9:59 PM CDTTornado WarningJANHolmes46 min
Oct 18, 4:47 AM CDTLake Wind AdvisoryJANAdams, Bolivar, Carroll, Claiborne, Copiah, Franklin and 17 more14 hr
Oct 18, 1:02 PM CDTTornado WarningJANClay, Oktibbeha28 min
Oct 18, 1:32 PM CDTTornado WarningJANClay, Lowndes, Oktibbeha43 min
Oct 18, 1:41 PM CDTTornado WarningJANKemper, Noxubee49 min
Oct 18, 1:54 PM CDTTornado WarningJANLowndes, Oktibbeha51 min
Oct 18, 1:57 PM CDTSevere Thunderstorm WarningJANForrest, Lamar48 min
Oct 18, 2:04 PM CDTSevere Thunderstorm WarningJANLauderdale, Newton41 min
Oct 18, 2:37 PM CDTSevere Thunderstorm WarningJANJones23 min
Oct 18, 6:44 PM CDTTornado WarningJANForrest, Lamar43 min
Oct 18, 6:55 PM CDTSevere Thunderstorm WarningJANLeake, Neshoba50 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; radar from the NEXRAD Level II archive.