Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL4
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 94
NWS STORM PREDICTION CENTER NORMAN OK
830 PM EDT SAT MAR 28 2009
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
EASTERN ALABAMA
NORTHWEST GEORGIA
SOUTHEAST TENNESSEE
EFFECTIVE THIS SATURDAY NIGHT FROM 830 PM UNTIL MIDNIGHT EDT.
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 30 STATUTE
MILES EAST AND WEST OF A LINE FROM 45 MILES NORTH OF CHATTANOOGA
TENNESSEE TO 35 MILES SOUTH SOUTHEAST OF ANNISTON ALABAMA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU4).
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 91...WW 92...WW 93...
DISCUSSION...LINE OF SEVERE/SUPERCELL THUNDERSTORMS CONTINUES TO
DEVELOP SOUTHWARD INTO CENTRAL AL...AND MOVE EASTWARD ACROSS TN/AL.
STORMS ARE APPROACHING THE EASTERN EXTENT OF SUFFICIENT
INSTABILITY...SO LONG TERM THREAT MAY BE LIMITED.
HOWEVER...ISOLATED STORMS MAY POSE A RISK OF LARGE HAIL AND ISOLATED
TORNADOES FOR ANOTHER 2-3 HOURS.
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
450. MEAN STORM MOTION VECTOR 23030.
...HART
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW4
WW 94 TORNADO AL GA TN 290030Z - 290400Z
AXIS..30 STATUTE MILES EAST AND WEST OF LINE..
45N CHA/CHATTANOOGA TN/ - 35SSE ANB/ANNISTON AL/
..AVIATION COORDS.. 25NM E/W /43N GQO - 21W LGC/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 450. MEAN STORM MOTION VECTOR 23030.
LAT...LON 35688466 33118509 33118613 35688573
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU4.
Watch 94 Status Report Messages:
STATUS REPORT #2 ON WW 94
VALID 290250Z - 290340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 45 NNE MGM
TO 20 SW RMG TO 5 S CSV.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 324
..HURLBUT..03/29/09
ATTN...WFO...BMX...FFC...MRX...
&&
STATUS REPORT FOR WT 94
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
GAC015-045-047-055-115-129-143-213-223-233-295-313-290340-
GA
. GEORGIA COUNTIES INCLUDED ARE
BARTOW CARROLL CATOOSA
CHATTOOGA FLOYD GORDON
HARALSON MURRAY PAULDING
POLK WALKER WHITFIELD
$$
TNC011-065-121-143-290340-
TN
. TENNESSEE COUNTIES INCLUDED ARE
BRADLEY HAMILTON MEIGS
RHEA
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 94
VALID 290135Z - 290240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 40 SSE BHM
TO 40 NNE GAD TO 35 WSW CSV.
..HURLBUT..03/29/09
ATTN...WFO...BMX...FFC...MRX...
&&
STATUS REPORT FOR WT 94
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC015-019-027-029-055-111-121-290240-
AL
. ALABAMA COUNTIES INCLUDED ARE
CALHOUN CHEROKEE CLAY
CLEBURNE ETOWAH RANDOLPH
TALLADEGA
$$
GAC015-045-047-055-083-115-129-143-213-223-233-295-313-290240-
GA
. GEORGIA COUNTIES INCLUDED ARE
BARTOW CARROLL CATOOSA
CHATTOOGA DADE FLOYD
GORDON HARALSON MURRAY
PAULDING POLK WALKER
WHITFIELD
$$
TNC007-011-065-115-121-143-153-290240-
TN
. TENNESSEE COUNTIES INCLUDED ARE
BLEDSOE BRADLEY HAMILTON
MARION MEIGS RHEA
SEQUATCHIE
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Mod (40%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Low (20%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (30%)
|
Probability of 1 or more wind events > 65 knots
|
Mod (30%)
|
Hail
Probability of 10 or more severe hail events
|
Mod (40%)
|
Probability
of 1 or
more hailstones > 2 inches
|
Mod (30%)
|
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
|
High (70%)
|
For each watch, probabilities for particular events inside the watch
(listed above in each table) are determined by the issuing forecaster.
The "Low" category contains probability values ranging from less than 2%
to 20% (F2-F5 tornadoes), less than 5% to 20% (all other probabilities),
"Moderate" from 30% to 60%, and "High" from 70% to greater than 95%.
High values are bolded and lighter in color to provide awareness of
an increased threat for a particular event.