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
SEVERE THUNDERSTORM WATCH NUMBER 234
NWS STORM PREDICTION CENTER NORMAN OK
410 PM EDT SUN MAY 3 2009
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
SOUTHEAST ALABAMA
SOUTHWEST GEORGIA
EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 410 PM UNTIL 800
PM EDT.
HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 55
STATUTE MILES EAST AND WEST OF A LINE FROM 30 MILES NORTHWEST OF
ALBANY GEORGIA TO 30 MILES SOUTHEAST OF DOTHAN ALABAMA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU4).
REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR 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. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.
OTHER WATCH INFORMATION...CONTINUE...WW 233...
DISCUSSION...TRAILING PORTION OF SEVERE DERECHO MOVING FROM CENTRAL
INTO ERN AL AT THIS TIME IS EXPECTED TO MOVE INTO SOUTHEAST AL AND
THEN SOUTHWEST GA OVER THE NEXT FEW HOURS. WARM CONDITIONS AND WELL
MIXED BOUNDARY LAYER AHEAD OF THE LINE SUGGEST SOME POTENTIAL FOR
DAMAGING WINDS TO ACCOMPANY THE LONG-LIVED CONVECTION BEFORE IT
OUTRUNS STRONGER FORCING AND DIURNAL STABILIZATION BEGINS TO SET IN.
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS.
A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. MEAN STORM MOTION
VECTOR 27035.
...CARBIN
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW4
WW 234 SEVERE TSTM AL GA 032010Z - 040000Z
AXIS..55 STATUTE MILES EAST AND WEST OF LINE..
30NW ABY/ALBANY GA/ - 30SE DHN/DOTHAN AL/
..AVIATION COORDS.. 50NM E/W /17NW ABY - 46NW TLH/
HAIL SURFACE AND ALOFT..1 INCH. WIND GUSTS..60 KNOTS.
MAX TOPS TO 450. MEAN STORM MOTION VECTOR 27035.
LAT...LON 31828362 31018416 31018601 31828550
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU4.
Watch 234 Status Report Messages:
STATUS REPORT #1 ON WW 234
VALID 032155Z - 032240Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..HURLBUT..05/03/09
ATTN...WFO...TAE...
&&
STATUS REPORT FOR WS 234
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC031-045-061-067-069-032240-
AL
. ALABAMA COUNTIES INCLUDED ARE
COFFEE DALE GENEVA
HENRY HOUSTON
$$
GAC007-037-061-095-099-177-201-205-239-243-273-287-321-032240-
GA
. GEORGIA COUNTIES INCLUDED ARE
BAKER CALHOUN CLAY
DOUGHERTY EARLY LEE
MILLER MITCHELL QUITMAN
RANDOLPH TERRELL TURNER
WORTH
$$
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
|
Low (10%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Low (5%)
|
Wind
Probability of 10 or more severe wind events
|
Low (20%)
|
Probability of 1 or more wind events > 65 knots
|
Low (10%)
|
Hail
Probability of 10 or more severe hail events
|
Low (<5%)
|
Probability
of 1 or
more hailstones > 2 inches
|
Low (10%)
|
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
|
Mod (50%)
|
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 
