Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
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Watch Status Reports.
SEL6
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 786
NWS STORM PREDICTION CENTER NORMAN OK
520 PM CDT FRI OCT 30 2009
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
WESTERN AND CENTRAL ALABAMA
A SMALL PART OF SOUTHEAST MISSISSIPPI
EFFECTIVE THIS FRIDAY AFTERNOON AND SATURDAY MORNING FROM 520 PM
UNTIL 100 AM CDT.
TORNADOES...HAIL TO 0.5 INCH IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 60 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 55 STATUTE
MILES EAST AND WEST OF A LINE FROM 35 MILES NORTHWEST OF GADSDEN
ALABAMA TO 50 MILES WEST SOUTHWEST OF EVERGREEN ALABAMA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU6).
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 785...
DISCUSSION...NNE/SSW PRE-FRONTAL BAND OF TSTMS/SHOWERS NOW EXTENDING
FROM NW AL TO SE MS EXPECTED TO CONTINUE SLOWLY EWD. FARTHER
E...MORE ISOLD ACTIVITY EXPECTED TO PERSIST FOR AWHILE ALONG
CONFLUENCE ZONE OVER WRN AL. ONSET OF DIURNAL COOLING ULTIMATELY
SHOULD DIMINISH SVR THREAT. BUT POTENTIAL FOR STORMS/SHOWERS WITH
STRONG LOW LVL ROTATION/POSSIBLE TORNADOES WILL CONTINUE GIVEN
STRENGTH OF LOW LVL WIND FIELD/SHEAR AND RICH LOW LVL
MOISTURE...ESPECIALLY INVOF STALLED BACK-DOOR BOUNDARY IN CNTRL AL.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 0.5 INCH. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 50 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
400. MEAN STORM MOTION VECTOR 21035.
...CORFIDI
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW6
WW 786 TORNADO AL MS 302220Z - 310600Z
AXIS..55 STATUTE MILES EAST AND WEST OF LINE..
35NW GAD/GADSDEN AL/ - 50WSW GZH/EVERGREEN AL/
..AVIATION COORDS.. 50NM E/W /44NNE VUZ - 37NE SJI/
HAIL SURFACE AND ALOFT..0.5 INCH. WIND GUSTS..50 KNOTS.
MAX TOPS TO 400. MEAN STORM MOTION VECTOR 21035.
LAT...LON 34318555 31138688 31138875 34318748
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU6.
Watch 786 Status Report Messages:
STATUS REPORT #2 ON WW 786
VALID 310025Z - 310140Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..GARNER..10/31/09
ATTN...WFO...BMX...MOB...
&&
STATUS REPORT FOR WT 786
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC001-007-009-013-015-021-023-025-027-035-037-047-051-055-057-
063-065-073-085-091-099-101-105-107-115-117-119-121-125-127-129-
131-133-310140-
AL
. ALABAMA COUNTIES INCLUDED ARE
AUTAUGA BIBB BLOUNT
BUTLER CALHOUN CHILTON
CHOCTAW CLARKE CLAY
CONECUH COOSA DALLAS
ELMORE ETOWAH FAYETTE
GREENE HALE JEFFERSON
LOWNDES MARENGO MONROE
MONTGOMERY PERRY PICKENS
ST. CLAIR SHELBY SUMTER
TALLADEGA TUSCALOOSA WALKER
WASHINGTON WILCOX WINSTON
$$
MSC041-111-153-310140-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
GREENE PERRY WAYNE
$$
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.
$$
STATUS REPORT #1 ON WW 786
VALID 302325Z - 310040Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..GARNER..10/30/09
ATTN...WFO...BMX...MOB...
&&
STATUS REPORT FOR WT 786
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC001-007-009-013-015-021-023-025-027-035-037-047-051-055-057-
063-065-073-075-085-091-093-099-101-105-107-115-117-119-121-125-
127-129-131-133-310040-
AL
. ALABAMA COUNTIES INCLUDED ARE
AUTAUGA BIBB BLOUNT
BUTLER CALHOUN CHILTON
CHOCTAW CLARKE CLAY
CONECUH COOSA DALLAS
ELMORE ETOWAH FAYETTE
GREENE HALE JEFFERSON
LAMAR LOWNDES MARENGO
MARION MONROE MONTGOMERY
PERRY PICKENS ST. CLAIR
SHELBY SUMTER TALLADEGA
TUSCALOOSA WALKER WASHINGTON
WILCOX WINSTON
$$
MSC041-111-153-310040-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
GREENE PERRY WAYNE
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Mod (30%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Low (20%)
|
Wind
Probability of 10 or more severe wind events
|
Low (10%)
|
Probability of 1 or more wind events > 65 knots
|
Low (<5%)
|
Hail
Probability of 10 or more severe hail events
|
Low (<5%)
|
Probability
of 1 or
more hailstones > 2 inches
|
Low (<5%)
|
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
|
Mod (40%)
|
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.
weather.gov 
@NWSSPC
