Alert archive / Mississippi / Tornado Watches in 2005
Tornado Watch 135
The Storm Prediction Center issued this tornado watch at Apr 6, 2005, 6:45 PM CDT for 26 counties in Alabama; Washington Parish, Louisiana; 37 counties in Mississippi. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 6, 2005, 6:45 PM CDT (23:45 UTC)
- Expired
- Apr 7, 2005, 1:00 AM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 64 counties
Autauga County, AL, Bibb County, AL, Butler County, AL, Chilton County, AL, Choctaw County, AL, Clarke County, AL, Conecuh County, AL, Covington County, AL, Dallas County, AL, Escambia County, AL, Fayette County, AL, Greene County, AL, Hale County, AL, Jefferson County, AL, Lamar County, AL, Lowndes County, AL, Marengo County, AL, Monroe County, AL, Perry County, AL, Pickens County, AL, Shelby County, AL, Sumter County, AL, Tuscaloosa County, AL, Walker County, AL, Washington County, AL, Wilcox County, AL, Washington Parish, LA, Attala County, MS, Carroll County, MS, Choctaw County, MS, Clarke County, MS, Clay County, MS, Covington County, MS, Forrest County, MS, George County, MS, Greene County, MS, Grenada County, MS, Holmes County, MS, Jasper County, MS, Jefferson Davis County, MS, Jones County, MS, Kemper County, MS, Lamar County, MS, Lauderdale County, MS, Lawrence County, MS, Leake County, MS, Leflore County, MS, Lowndes County, MS, Madison County, MS, Marion County, MS, Monroe County, MS, Montgomery County, MS, Neshoba County, MS, Newton County, MS, Noxubee County, MS, Oktibbeha County, MS, Perry County, MS, Rankin County, MS, Scott County, MS, Simpson County, MS, Smith County, MS, Wayne County, MS, Webster County, MS, Winston County, MS
The radar
The Birmingham radar (KBMX), 124 km from the middle of the area, began a volume at 23:48 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
25 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 6, 7:01 PM CDT | Severe Thunderstorm Warning | JAN | Rankin | 44 min |
| Apr 6, 7:04 PM CDT | Severe Thunderstorm Warning | MOB | Choctaw | 41 min |
| Apr 6, 7:15 PM CDT | Severe Thunderstorm Warning | BMX | Sumter | 45 min |
| Apr 6, 7:31 PM CDT | Severe Thunderstorm Warning | JAN | Leake, Scott | 59 min |
| Apr 6, 7:43 PM CDT | Severe Thunderstorm Warning | JAN | Rankin | 17 min |
| Apr 6, 7:48 PM CDT | Severe Thunderstorm Warning | JAN | Clarke | 57 min |
| Apr 6, 7:58 PM CDT | Severe Thunderstorm Warning | MOB | Wayne | 32 min |
| Apr 6, 8:08 PM CDT | Severe Thunderstorm Warning | JAN | Simpson | 67 min |
| Apr 6, 8:27 PM CDT | Severe Thunderstorm Warning | JAN | Neshoba | 63 min |
| Apr 6, 8:43 PM CDT | Tornado Warning | JAN | Simpson, Smith | 62 min |
| Apr 6, 8:53 PM CDT | Severe Thunderstorm Warning | JAN | Noxubee, Winston | 67 min |
| Apr 6, 8:58 PM CDT | Severe Thunderstorm Warning | JAN | Kemper, Neshoba, Noxubee, Winston | 62 min |
| Apr 6, 9:11 PM CDT | Tornado Warning | JAN | Jasper | 64 min |
| Apr 6, 9:28 PM CDT | Severe Thunderstorm Warning | JAN | Newton | 62 min |
| Apr 6, 9:38 PM CDT | Severe Thunderstorm Warning | JAN | Kemper, Lauderdale | 67 min |
| Apr 6, 9:56 PM CDT | Tornado Warning | JAN | Clarke, Lauderdale, Newton | 34 min |
| Apr 6, 10:22 PM CDT | Severe Thunderstorm Warning | BMX | Pickens | 23 min |
| Apr 6, 10:31 PM CDT | Severe Thunderstorm Warning | BMX | Sumter | 44 min |
| Apr 6, 10:34 PM CDT | Severe Thunderstorm Warning | JAN | Lauderdale | 26 min |
| Apr 6, 11:05 PM CDT | Severe Thunderstorm Warning | BMX | Tuscaloosa | 40 min |
| Apr 6, 11:13 PM CDT | Severe Thunderstorm Warning | BMX | Greene, Hale | 47 min |
| Apr 6, 11:31 PM CDT | Severe Thunderstorm Warning | BMX | Walker | 44 min |
| Apr 6, 11:51 PM CDT | Severe Thunderstorm Warning | BMX | Sumter | 39 min |
| Apr 7, 12:00 AM CDT | Severe Thunderstorm Warning | BMX | Hale, Marengo | 45 min |
| Apr 7, 12:33 AM CDT | Severe Thunderstorm Warning | BMX | Lowndes | 42 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 11.8 hours before the alert went out and 123 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1203 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 148 m²/s²
- 0-3 km storm-relative helicity
- 162 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WWUS20 KWNS 062346
SEL5
SPC WW 062346
ALZ000-MSZ000-070600-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 135
NWS STORM PREDICTION CENTER NORMAN OK
645 PM CDT WED APR 6 2005
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
WESTERN AND CENTRAL ALABAMA
EASTERN AND CENTRAL MISSISSIPPI
EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 645 PM
UNTIL 100 AM CDT.
TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 110 STATUTE
MILES EAST AND WEST OF A LINE FROM 20 MILES NORTH OF COLUMBUS
MISSISSIPPI TO 80 MILES SOUTHEAST OF LAUREL MISSISSIPPI. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU5).
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 131...TORNADO WATCH NUMBER 134. WATCH NUMBER 131 134
WILL NOT BE IN EFFECT AFTER 645 PM CDT. CONTINUE...WW 132...WW
133...
DISCUSSION...LINES/CLUSTERS OF POTENTIALLY SEVERE STORMS CONTINUE TO
RE-DEVELOP ACROSS CENTRAL MS. THESE STORMS WILL TRACK EASTWARD INTO
WESTERN AND CENTRAL AL DURING THE NEXT FEW HOURS. STRONG VERTICAL
SHEAR PROFILES AND MARGINAL INSTABILITY WILL ALLOW SUPERCELL THREAT
TO PERSIST...WITH DAMAGING WINDS...LARGE HAIL...AND ISOLATED
TORNADOES POSSIBLE.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500.
MEAN STORM MOTION VECTOR 25035.
...HART
335,0863 304,0862 304,0900 335,0902SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 6, 7:00 AM CDT | Tornado Watch | SPC | Choctaw, Greene, Mobile, Pickens, Sumter, Washington | 6 hr |
| Apr 6, 9:29 AM CDT | Mesoscale Discussion | SPC | Choctaw, Greene, Mobile, Pickens, Sumter, Washington | 2 hr |
| Apr 6, 10:50 AM CDT | Mesoscale Discussion | SPC | Baldwin, Butler, Clarke, Coffee, Conecuh, Covington and 9 more | 55 min |
| Apr 6, 11:05 AM CDT | Tornado Watch | SPC | Autauga, Baldwin, Bullock, Butler, Choctaw, Clarke and 20 more | 8 hr |
| Apr 6, 1:21 PM CDT | Mesoscale Discussion | SPC | Autauga, Baldwin, Bullock, Butler, Choctaw, Clarke and 20 more | 84 min |
| Apr 6, 3:43 PM CDT | Mesoscale Discussion | SPC | Autauga, Baldwin, Bullock, Butler, Choctaw, Clarke and 20 more | 92 min |
| Apr 6, 4:53 PM CDT | Mesoscale Discussion | SPC | Bibb, Blount, Chilton, Colbert, Coosa, Cullman and 19 more | 37 min |
| Apr 6, 5:20 PM CDT | Tornado Watch | SPC | Bibb, Chilton, Cullman, Fayette, Greene, Hale and 8 more | 8 hr |
| Apr 6, 6:01 PM CDT | Mesoscale Discussion | SPC | Autauga, Baldwin, Bullock, Butler, Choctaw, Clarke and 21 more | 59 min |
| Apr 5, 8:25 PM CDT | Severe Thunderstorm Watch | SPC | Bossier, Caddo | 8 hr |
| Apr 5, 10:40 PM CDT | Mesoscale Discussion | SPC | Acadia, Allen, Ascension, Assumption, Avoyelles, Beauregard and 50 more | 2 hr |
| Apr 6, 2:55 AM CDT | Tornado Watch | SPC | Acadia, Allen, Ascension, Assumption, Avoyelles, Calcasieu and 36 more | 7 hr |
| Apr 6, 5:45 AM CDT | Mesoscale Discussion | SPC | Acadia, Allen, Ascension, Assumption, Avoyelles, Calcasieu and 36 more | 90 min |
| Apr 6, 7:46 AM CDT | Mesoscale Discussion | SPC | Bienville, Bossier, Caddo, Caldwell, Catahoula, Claiborne and 20 more | 119 min |
| Apr 6, 10:40 AM CDT | Mesoscale Discussion | SPC | Caldwell, Catahoula, East Carroll, Franklin, Grant, Jackson and 11 more | 65 min |
| Apr 6, 11:05 AM CDT | Tornado Watch | SPC | Ascension, Assumption, Concordia, East Baton Rouge, East Carroll, East Feliciana and 22 more | 8 hr |
| Apr 6, 1:55 PM CDT | Tornado Watch | SPC | Benton, Calhoun, Chickasaw, Coahoma, DeSoto, Lafayette and 12 more | 7 hr |
| Apr 6, 3:18 PM CDT | Mesoscale Discussion | SPC | Benton, Calhoun, Chickasaw, Coahoma, DeSoto, Lafayette and 12 more | 87 min |
| Apr 6, 5:44 PM CDT | Mesoscale Discussion | SPC | Benton, Calhoun, Chickasaw, Coahoma, DeSoto, Lafayette and 12 more | 91 min |
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.