Alert archive / Mississippi / Tornado Warnings in 2007

Tornado Warning 59, NWS Mobile, AL

November 21, 2007Perry County, Mississippi

NWS Mobile, AL issued this tornado warning at Nov 21, 2007, 6:14 PM CST for Perry County, Mississippi. It was in force for 29 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
Nov 21, 2007, 6:14 PM CST (00:14 UTC)
Expired
Nov 21, 2007, 6:43 PM CST
In force
29 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon

County Perry County, MS

The radar

The Mobile radar (KMOB), 93 km from the middle of the area, began a volume at 00:18 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 nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 0.2 hours before the alert went out and 122 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 2007-11-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 549 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 00:00Z on 2007-11-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 85 square meters per square second.1939587897Sfc1 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
549 J/kg
Mixed-layer CIN
-57 J/kg
Mixed-layer LCL
1003 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
85 m²/s²
0-3 km storm-relative helicity
122 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 
WFUS54 KMOB 220016
TORMOB
MSC111-220115-
/O.NEW.KMOB.TO.W.0059.071122T0014Z-071122T0115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
614 PM CST WED NOV 21 2007

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL PERRY COUNTY IN SOUTHEAST MISSISSIPPI...
  THIS INCLUDES THE CITY OF NEW AUGUSTA...

* UNTIL 715 PM CST

* AT 613 PM CST...TRAINED WEATHER SPOTTERS REPORTED A FUNNEL CLOUD   
  2 MILES SOUTHWEST OF MCLAURIN MOVING EAST AT 15 MPH.

* THE TORNADO WILL BE NEAR...
  BELLEVILLE BY 630 PM CST...
  MAHNED BY 635 PM CST...
  NEW AUGUSTA BY 645 PM CST...
  WINGATE BY 650 PM CST...
  WINGATE BY 655 PM CST...
  FERGUSON BY 700 PM CST...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
NICKEL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
STURDY 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 3131 8884 3105 8885 3107 8916 3115 8916
      3117 8915 3123 8915
TIME...MOT...LOC 0014Z 264DEG 16KT 3115 8920

$$
1 follow-up statement
000 
WWUS54 KMOB 220043
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
643 PM CST WED NOV 21 2007

MSC111-220053-
/O.CAN.KMOB.TO.W.0059.000000T0000Z-071122T0115Z/
PERRY MS-
643 PM CST WED NOV 21 2007

...THE TORNADO WARNING FOR CENTRAL PERRY COUNTY IS CANCELLED...

THE STORM CONTAINING THE POSSIBLE TORNADO WEAKENED AS IT MOVED EAST 
INTO CENTRAL PERRY COUNTY.

LAT...LON 3131 8884 3105 8885 3107 8916 3115 8916
      3117 8915 3123 8915
TIME...MOT...LOC 0043Z 264DEG 16KT 3116 8905

$$

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.