Alert archive / Mississippi / Tornado Watches in 2005

Tornado Watch 608

July 5, 2005Baldwin County, Mobile County, Alabama; Saint Bernard Parish, Louisiana; 6 counties in Mississippi

The Storm Prediction Center issued this tornado watch at Jul 5, 2005, 11:40 PM CDT for Baldwin County, Mobile County, Alabama; Saint Bernard Parish, Louisiana; 6 counties in Mississippi. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Jul 5, 2005, 11:40 PM CDT (04:40 UTC)
Expired
Jul 6, 2005, 4:37 AM CDT
In force
5 hr
Issued by
the Storm Prediction Center

Counties Baldwin County, AL, Mobile County, AL, Saint Bernard Parish, LA, George County, MS, Hancock County, MS, Harrison County, MS, Jackson County, MS, Pearl River County, MS, Stone County, MS

The radar

The Mobile radar (KMOB), 78 km from the middle of the area, began a volume at 04:40 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.

Warnings issued inside it

9 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Jul 6, 1:22 AM CDTFlash Flood WarningLIXHancock, Harrison3 hr
Jul 6, 1:28 AM CDTFlash Flood WarningLIXJefferson, Lafourche, Orleans, Plaquemines, Saint Bernard, Saint Charles and 1 more3 hr
Jul 6, 2:16 AM CDTFlash Flood WarningLIXJackson3 hr
Jul 6, 2:37 AM CDTFlash Flood WarningMOBMobile113 min
Jul 6, 2:44 AM CDTTornado WarningLIXJackson31 min
Jul 6, 3:25 AM CDTFlash Flood WarningMOBMobile2 hr
Jul 6, 3:59 AM CDTTornado WarningMOBMobile31 min
Jul 6, 4:12 AM CDTFlash Flood WarningLIXHancock, Harrison3 hr
Jul 6, 4:30 AM CDTFlash Flood WarningMOBMobile2 hr

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 4.7 hours before the alert went out and 71 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 2005-07-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 17 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 2005-07-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -6 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
17 J/kg
Mixed-layer CIN
-57 J/kg
Mixed-layer LCL
893 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
-6 m²/s²
0-3 km storm-relative helicity
4 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WWUS20 KWNS 060440
SEL8  
SPC WW 060440
ALZ000-LAZ000-MSZ000-CWZ000-061300-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 608
NWS STORM PREDICTION CENTER NORMAN OK
1140 PM CDT TUE JUL 5 2005

THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF 

       EXTREME SOUTHWEST ALABAMA
       EXTREME SOUTHEAST LOUISIANA
       SOUTHERN MISSISSIPPI
       COASTAL WATERS

EFFECTIVE THIS TUESDAY NIGHT AND WEDNESDAY MORNING FROM 1140 PM
UNTIL 800 AM CDT.

TORNADOES...THUNDERSTORM WIND GUSTS TO 65 MPH...AND DANGEROUS
LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 50 STATUTE MILES
NORTH AND SOUTH OF A LINE FROM 55 MILES WEST SOUTHWEST OF GULFPORT
MISSISSIPPI TO 45 MILES EAST SOUTHEAST OF MOBILE ALABAMA.  FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU8).

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA.
PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING
WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE
WARNINGS.

OTHER WATCH INFORMATION...THIS TORNADO WATCH REPLACES TORNADO
WATCH NUMBER 607. WATCH NUMBER 607 WILL NOT BE IN EFFECT AFTER
1140 PM CDT. 

DISCUSSION...TROPICAL STORM CINDY WILL CONTINUE TO DRIFT NWD ACROSS
SE LA THROUGH THE MORNING HOURS.  LOCAL WIND PROFILES AND
RADAR/SATELLITE STRUCTURES OF THE STORM SUGGEST THAT THE THREAT FOR
EMBEDDED SUPERCELLS AND AN ISOLATED TORNADO WILL BE FOCUSED IN A
SMALL AREA E OF THE CENTER THROUGH THE MORNING...PRIMARILY ALONG THE
MS/AL COASTS.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH EXTREME
TURBULENCE AND SURFACE WIND GUSTS TO 55 KNOTS. A FEW CUMULONIMBI
WITH MAXIMUM TOPS TO 550. MEAN STORM MOTION VECTOR 18035.


...THOMPSON

304,0895 310,0873 294,0873 292,0895

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 5, 7:47 PM CDTMesoscale DiscussionSPCBaldwin, Covington, Escambia, Geneva, Houston, Mobile118 min
Jul 6, 3:47 AM CDTMesoscale DiscussionSPCAutauga, Baldwin, Barbour, Bullock, Butler, Choctaw and 21 more58 min
Jul 6, 4:40 AM CDTTornado WatchSPCBaldwin, Barbour, Bullock, Butler, Choctaw, Clarke and 16 more5 hr
Jul 6, 7:48 AM CDTMesoscale DiscussionSPCAutauga, Baldwin, Barbour, Bullock, Butler, Choctaw and 24 more57 min
Jul 6, 9:14 AM CDTMesoscale DiscussionSPCBaldwin, Barbour, Bullock, Butler, Choctaw, Clarke and 16 more61 min
Jul 6, 11:48 AM CDTMesoscale DiscussionSPCBarbour, Bullock, Butler, Chambers, Coffee, Conecuh and 15 more87 min
Jul 6, 12:30 PM CDTTornado WatchSPCBarbour, Bullock, Chambers, Coffee, Dale, Elmore and 8 more6 hr
Jul 6, 2:10 PM CDTMesoscale DiscussionSPCBarbour, Bullock, Chambers, Coffee, Dale, Elmore and 8 more65 min
Jul 6, 2:45 PM CDTTornado WatchSPCCalhoun, Cherokee, Clay, Cleburne, Etowah, Randolph and 2 more4 hr
Jul 6, 6:11 PM CDTMesoscale DiscussionSPCCalhoun, Chambers, Cherokee, Clay, Cleburne, Coosa and 8 more34 min
Jul 6, 6:35 PM CDTTornado WatchSPCBullock, Calhoun, Chambers, Cherokee, Clay, Cleburne and 6 more6 hr

Nearby

Tornado Watches in Mississippi, 2005Tornado Watches in Alabama, 2005Tornado Watches in Louisiana, 2005Every tornado watch in 2005

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.