Alert archive / Mississippi / Tornado Watches in 2008
Tornado Watch 10
The Storm Prediction Center issued this tornado watch at Jan 8, 2008, 3:59 PM CST for 24 counties in Mississippi. It was in force for 3 hr.
The area
The outline as issued.
The facts
- Issued
- Jan 8, 2008, 3:59 PM CST (21:59 UTC)
- Expired
- Jan 8, 2008, 6:39 PM CST
- In force
- 3 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
All 24 counties
Attala County, MS, Choctaw County, MS, Claiborne County, MS, Clarke County, MS, Clay County, MS, Copiah County, MS, Hinds County, MS, Jasper County, MS, Jefferson County, MS, Kemper County, MS, Lauderdale County, MS, Leake County, MS, Lowndes County, MS, Madison County, MS, Neshoba County, MS, Newton County, MS, Noxubee County, MS, Oktibbeha County, MS, Rankin County, MS, Scott County, MS, Simpson County, MS, Smith County, MS, Warren County, MS, Winston County, MS
The radar
The Jackson/Brandon,MS radar (KDGX), 29 km from the middle of the area, began a volume at 22:00 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.
What SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 30%
- One or more EF2 to EF5 tornadoes
- 20%
- Ten or more severe wind reports
- 30%
- One or more gusts of 65 knots or more
- 20%
- Ten or more severe hail reports
- 40%
- One or more hailstones of 2 inches or more
- 30%
- Six or more combined severe hail and wind reports
- 60%
Warnings issued inside it
7 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 8, 5:18 PM CST | Severe Thunderstorm Warning | JAN | Copiah, Rankin, Simpson | 27 min |
| Jan 8, 5:30 PM CST | Severe Thunderstorm Warning | JAN | Choctaw, Clay, Oktibbeha, Webster | 30 min |
| Jan 8, 5:38 PM CST | Tornado Warning | JAN | Copiah, Rankin, Simpson | 37 min |
| Jan 8, 6:00 PM CST | Severe Thunderstorm Warning | JAN | Clay, Oktibbeha | 30 min |
| Jan 8, 6:01 PM CST | Severe Thunderstorm Warning | JAN | Attala, Leake, Madison | 44 min |
| Jan 8, 6:09 PM CST | Tornado Warning | JAN | Rankin, Simpson, Smith | 36 min |
| Jan 8, 6:28 PM CST | Severe Thunderstorm Warning | JAN | Clay, Lowndes | 32 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, 10.0 hours before the alert went out and 28 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
- 979 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 253 m²/s²
- 0-3 km storm-relative helicity
- 444 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
882
WWUS20 KWNS 082155
SEL0
SPC WW 082155
MSZ000-090400-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 10
NWS STORM PREDICTION CENTER NORMAN OK
355 PM CST TUE JAN 8 2008
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
PARTS OF SOUTHERN AND CENTRAL MISSISSIPPI
EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 355 PM UNTIL
1000 PM CST.
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 55 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 50 MILES WEST SOUTHWEST OF
JACKSON MISSISSIPPI TO 40 MILES NORTH NORTHEAST OF MERIDIAN
MISSISSIPPI. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU0).
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...CONTINUE...WW 9...
DISCUSSION...ISOLATED SUPERCELL HAS DEVELOP SWRN MS IN A FAVORABLE
SHEAR/INSTABILITY ENVIRONMENT. WITH THE AIR MASS NOW MODERATELY
UNSTABLE EWD TO AL BORDER...CONDITIONS FOR THIS STORM AND POSSIBLE
OTHER STORMS ALONG AND AHEAD OF THE LINE NOW MOVING EWD INTO WRN MS
APPEAR FAVORABLE FOR BOTH SEVERE INCLUDING TORNADOES AS THEY MOVE
ENEWD ACROSS THE WATCH.
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 24030.
...HALESSPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 8, 8:34 AM CST | Tornado Watch | SPC | Coahoma, DeSoto, Marshall, Panola, Quitman, Tate and 1 more | 5 hr |
| Jan 8, 11:27 AM CST | Mesoscale Discussion | SPC | Bolivar, Coahoma, DeSoto, Marshall, Panola, Quitman and 5 more | 2 hr |
| Jan 8, 1:11 PM CST | Mesoscale Discussion | SPC | Alcorn, Attala, Benton, Bolivar, Calhoun, Carroll and 49 more | 2 hr |
| Jan 8, 1:26 PM CST | Tornado Watch | SPC | Alcorn, Benton, Bolivar, Calhoun, Carroll, Chickasaw and 29 more | 8 hr |
| Jan 8, 4:03 PM CST | Mesoscale Discussion | SPC | Alcorn, Attala, Benton, Calhoun, Carroll, Chickasaw and 37 more | 117 min |
Nearby
Tornado Watches in Mississippi, 2008Every tornado watch in 2008
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.