Alert archive / Mississippi / Tornado Watches in 2004
Tornado Watch 867
The Storm Prediction Center issued this tornado watch at Oct 19, 2004, 3:30 PM CDT for 22 counties in Alabama; 27 counties in Mississippi. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Oct 19, 2004, 3:30 PM CDT (20:30 UTC)
- Expired
- Oct 19, 2004, 9:00 PM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 49 counties
Autauga County, AL, Bibb County, AL, Chilton County, AL, Clay County, AL, Coosa County, AL, Dallas County, AL, Elmore County, AL, Fayette County, AL, Greene County, AL, Hale County, AL, Jefferson County, AL, Lamar County, AL, Lowndes County, AL, Montgomery County, AL, Perry County, AL, Pickens County, AL, Shelby County, AL, Sumter County, AL, Talladega County, AL, Tallapoosa County, AL, Tuscaloosa County, AL, Walker County, AL, Attala County, MS, Calhoun County, MS, Carroll County, MS, Chickasaw County, MS, Choctaw County, MS, Clay County, MS, Coahoma County, MS, Grenada County, MS, Holmes County, MS, Humphreys County, MS, Kemper County, MS, Leake County, MS, Leflore County, MS, Lowndes County, MS, Madison County, MS, Monroe County, MS, Montgomery County, MS, Neshoba County, MS, Noxubee County, MS, Oktibbeha County, MS, Sharkey County, MS, Sunflower County, MS, Tallahatchie County, MS, Webster County, MS, Winston County, MS, Yalobusha County, MS, Yazoo County, MS
The radar
The Columbus AFB radar (KGWX), 73 km from the middle of the area, began a volume at 20:30 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
17 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 19, 3:45 PM CDT | Severe Thunderstorm Warning | BMX | Sumter | 15 min |
| Oct 19, 3:46 PM CDT | Severe Thunderstorm Warning | JAN | Kemper, Neshoba | 44 min |
| Oct 19, 3:59 PM CDT | Tornado Warning | JAN | Leake, Neshoba | 46 min |
| Oct 19, 4:14 PM CDT | Severe Thunderstorm Warning | BMX | Sumter | 46 min |
| Oct 19, 4:28 PM CDT | Severe Thunderstorm Warning | JAN | Kemper | 47 min |
| Oct 19, 4:32 PM CDT | Severe Thunderstorm Warning | BMX | Dallas | 43 min |
| Oct 19, 4:41 PM CDT | Tornado Warning | BMX | Dallas | 49 min |
| Oct 19, 4:43 PM CDT | Severe Thunderstorm Warning | JAN | Neshoba | 17 min |
| Oct 19, 4:44 PM CDT | Tornado Warning | BMX | Sumter | 46 min |
| Oct 19, 5:15 PM CDT | Tornado Warning | BMX | Lowndes | 45 min |
| Oct 19, 5:26 PM CDT | Tornado Warning | BMX | Sumter | 34 min |
| Oct 19, 5:30 PM CDT | Tornado Warning | BMX | Dallas | 45 min |
| Oct 19, 5:59 PM CDT | Tornado Warning | BMX | Lowndes | 46 min |
| Oct 19, 7:25 PM CDT | Severe Thunderstorm Warning | JAN | Attala, Holmes, Madison, Yazoo | 50 min |
| Oct 19, 8:00 PM CDT | Severe Thunderstorm Warning | JAN | Attala | 40 min |
| Oct 19, 8:32 PM CDT | Severe Thunderstorm Warning | JAN | Leake | 28 min |
| Oct 19, 8:48 PM CDT | Severe Thunderstorm Warning | JAN | Choctaw, Winston | 27 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
Jackson, MS (KJAN), launched 12:00Z, 8.5 hours before the alert went out and 166 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
- 2735 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 501 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 188 m²/s²
- 0-3 km storm-relative helicity
- 247 m²/s²
- Significant tornado parameter
- 3.8
- Supercell composite
- 16.1
The text
As transmitted, in the capitals the NWS used until 2016.
000
WWUS20 KWNS 192031
SEL7
SPC WW 192030
ALZ000-MSZ000-200200-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 867
NWS STORM PREDICTION CENTER NORMAN OK
330 PM CDT TUE OCT 19 2004
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
CENTRAL ALABAMA
NORTHERN AND CENTRAL MISSISSIPPI
EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 330 PM UNTIL 900
PM 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 ALONG AND 55 STATUTE MILES NORTH AND
SOUTH OF A LINE FROM 45 MILES WEST OF GREENWOOD MISSISSIPPI TO 50
MILES NORTHEAST OF MONTGOMERY ALABAMA.
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 865. WATCH NUMBER 865 WILL NOT BE IN EFFECT AFTER 330
PM CDT. CONTINUE...WW 866...
DISCUSSION...SEVERE THUNDERSTORMS CONTINUE TO DEVELOP ACROSS
NCENTRAL MS INTO WRN AL IN RESPONSE TO THE APPROACH OF MID LEVEL JET
MAX AND VERY UNSTABLE AIR MASS. SHEAR PROFILES REMAIN FAVORABLE FOR
SUPERCELLS AND ISOLATED TORNADOES ACROSS THE WATCH AREA.
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 550.
MEAN STORM MOTION VECTOR 26030.
...HALES
341,0905 333,0854 320,0854 324,0905SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 18, 7:10 PM CDT | Tornado Watch | SPC | Colbert, Fayette, Franklin, Greene, Hale, Lamar and 8 more | 4 hr |
| Oct 18, 10:33 PM CDT | Mesoscale Discussion | SPC | Colbert, Franklin, Lauderdale, Limestone | 117 min |
| Oct 18, 10:55 PM CDT | Tornado Watch | SPC | Colbert, Franklin, Lauderdale, Lawrence, Limestone, Madison and 1 more | 5 hr |
| Oct 19, 2:04 AM CDT | Mesoscale Discussion | SPC | Colbert, Franklin, Jackson, Lauderdale, Lawrence, Limestone and 2 more | 86 min |
| Oct 19, 3:34 AM CDT | Mesoscale Discussion | SPC | Colbert, DeKalb, Franklin, Jackson, Lauderdale, Lawrence and 4 more | 26 min |
| Oct 19, 3:50 AM CDT | Severe Thunderstorm Watch | SPC | Cherokee, Colbert, Cullman, DeKalb, Etowah, Franklin and 9 more | 4 hr |
| Oct 19, 7:08 AM CDT | Mesoscale Discussion | SPC | Cherokee, Cullman, DeKalb, Etowah, Franklin, Jackson and 6 more | 2 hr |
| Oct 19, 9:05 AM CDT | Tornado Watch | SPC | Autauga, Bibb, Calhoun, Chambers, Chilton, Clay and 20 more | 7 hr |
| Oct 19, 11:06 AM CDT | Mesoscale Discussion | SPC | Barbour, Butler, Choctaw, Clarke, Coffee, Conecuh and 10 more | 84 min |
| Oct 19, 12:00 PM CDT | Tornado Watch | SPC | Barbour, Bullock, Butler, Choctaw, Clarke, Coffee and 16 more | 7 hr |
| Oct 19, 1:15 PM CDT | Mesoscale Discussion | SPC | Autauga, Bibb, Calhoun, Chambers, Chilton, Clay and 20 more | 90 min |
| Oct 19, 3:08 PM CDT | Mesoscale Discussion | SPC | Autauga, Barbour, Bibb, Bullock, Butler, Calhoun and 43 more | 67 min |
| Oct 19, 5:48 PM CDT | Mesoscale Discussion | SPC | Butler, Choctaw, Clarke, Coffee, Conecuh, Covington and 13 more | 117 min |
| Oct 19, 6:20 PM CDT | Tornado Watch | SPC | Barbour, Butler, Choctaw, Clarke, Coffee, Conecuh and 16 more | 4 hr |
| Oct 18, 9:09 PM CDT | Mesoscale Discussion | SPC | Alcorn, Benton | 2 hr |
| Oct 19, 1:35 PM CDT | Mesoscale Discussion | SPC | Adams, Amite, Franklin, Hancock, Issaquena, Jefferson and 3 more | 2 hr |
Nearby
Tornado Watches in Mississippi, 2004Tornado Watches in Alabama, 2004Every tornado watch in 2004
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.