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The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
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Watch Status Reports.
SEL2
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 112
NWS STORM PREDICTION CENTER NORMAN OK
600 PM CDT THU APR 2 2009
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
NORTHERN AND CENTRAL ALABAMA
NORTHWEST GEORGIA
MIDDLE AND EAST TENNESSEE
EFFECTIVE THIS THURSDAY NIGHT AND FRIDAY MORNING FROM 600 PM
UNTIL 200 AM CDT.
TORNADOES...HAIL TO 1.5 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 85 STATUTE
MILES EAST AND WEST OF A LINE FROM 60 MILES NORTHWEST OF
CROSSVILLE TENNESSEE TO 10 MILES SOUTH OF SELMA ALABAMA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU2).
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 107. WATCH NUMBER 107 WILL NOT BE IN EFFECT AFTER
600 PM CDT. CONTINUE...WW 108...WW 109...WW 110...WW 111...
DISCUSSION...EXISTING BROKEN BAND OF TSTMS FM NE AL NWD INTO MIDDLE
TN EXPECTED TO CONTINUE ENEWD...WHILE ADDITIONAL
DEVELOPMENT/STRENGTHENING OCCURS ALONG BAND JUST ENTERING WRN AL.
INCREASING SHEAR AND ASCENT DOWNSTREAM FROM AR UPR VORT...ALONG WITH
MODERATELY MOIST LOW LVL INFLOW...WILL SUPPORT CONTINUED RISK FOR
ELONGATED/QUASI-DISCRETE SUPERCELLS WITH A THREAT FOR TORNADOES...IN
ADDITION TO SVR HAIL/WIND.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 23040.
...CORFIDI
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW2
WW 112 TORNADO AL GA TN 022300Z - 030700Z
AXIS..85 STATUTE MILES EAST AND WEST OF LINE..
60NW CSV/CROSSVILLE TN/ - 10S SEM/SELMA AL/
..AVIATION COORDS.. 75NM E/W /36SE BWG - 34W MGM/
HAIL SURFACE AND ALOFT..1.5 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 23040.
REPLACES WW 107..AL FL MS TN CW
LAT...LON 36548430 32208552 32208843 36548737
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU2.
Watch 112 Status Report Messages:
STATUS REPORT #4 ON WW 112
VALID 030540Z - 030640Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 E CHA TO
35 NE CHA TO 35 SSW LOZ.
..BROYLES..04/03/09
ATTN...WFO...BMX...HUN...FFC...MRX...OHX...
&&
STATUS REPORT FOR WT 112
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TNC001-013-105-107-123-139-145-030640-
TN
. TENNESSEE COUNTIES INCLUDED ARE
ANDERSON CAMPBELL LOUDON
MCMINN MONROE POLK
ROANE
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #3 ON WW 112
VALID 030435Z - 030540Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 5 S AUO TO
20 N MGM TO 35 NNW MGM TO 20 ENE ANB TO 20 N RMG TO 45 N CSV.
..GUYER..04/03/09
ATTN...WFO...BMX...HUN...FFC...MRX...OHX...
&&
STATUS REPORT FOR WT 112
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC017-027-029-037-111-123-030540-
AL
. ALABAMA COUNTIES INCLUDED ARE
CHAMBERS CLAY CLEBURNE
COOSA RANDOLPH TALLAPOOSA
$$
GAC015-045-115-129-143-149-213-223-233-313-030540-
GA
. GEORGIA COUNTIES INCLUDED ARE
BARTOW CARROLL FLOYD
GORDON HARALSON HEARD
MURRAY PAULDING POLK
WHITFIELD
$$
TNC001-011-013-105-107-121-123-129-139-143-145-151-030540-
TN
. TENNESSEE COUNTIES INCLUDED ARE
ANDERSON BRADLEY CAMPBELL
LOUDON MCMINN MEIGS
MONROE MORGAN POLK
RHEA ROANE SCOTT
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 112
VALID 030335Z - 030440Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 10 S SEM TO
30 SSE TCL TO 20 E BHM TO 30 NE GAD TO 35 SW CSV TO 50 NNW CSV.
..GUYER..04/03/09
ATTN...WFO...BMX...HUN...FFC...MRX...OHX...
&&
STATUS REPORT FOR WT 112
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC001-007-015-017-019-021-027-029-037-051-055-105-111-115-117-
121-123-030440-
AL
. ALABAMA COUNTIES INCLUDED ARE
AUTAUGA BIBB CALHOUN
CHAMBERS CHEROKEE CHILTON
CLAY CLEBURNE COOSA
ELMORE ETOWAH PERRY
RANDOLPH ST. CLAIR SHELBY
TALLADEGA TALLAPOOSA
$$
GAC015-045-047-055-083-115-129-143-149-213-223-233-295-313-
030440-
GA
. GEORGIA COUNTIES INCLUDED ARE
BARTOW CARROLL CATOOSA
CHATTOOGA DADE FLOYD
GORDON HARALSON HEARD
MURRAY PAULDING POLK
WALKER WHITFIELD
$$
TNC001-007-011-013-027-035-049-065-087-105-107-115-121-123-129-
133-137-139-141-143-145-151-153-175-185-030440-
TN
. TENNESSEE COUNTIES INCLUDED ARE
ANDERSON BLEDSOE BRADLEY
CAMPBELL CLAY CUMBERLAND
FENTRESS HAMILTON JACKSON
LOUDON MCMINN MARION
MEIGS MONROE MORGAN
OVERTON PICKETT POLK
PUTNAM RHEA ROANE
SCOTT SEQUATCHIE VAN BUREN
WHITE
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 112
VALID 030145Z - 030240Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..GUYER..04/03/09
ATTN...WFO...BMX...HUN...FFC...MRX...OHX...
&&
STATUS REPORT FOR WT 112
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC001-007-009-015-017-019-021-027-029-033-037-043-047-049-051-
055-057-059-063-065-071-073-075-077-079-083-085-089-091-093-095-
101-103-105-107-111-115-117-119-121-123-125-127-133-030240-
AL
. ALABAMA COUNTIES INCLUDED ARE
AUTAUGA BIBB BLOUNT
CALHOUN CHAMBERS CHEROKEE
CHILTON CLAY CLEBURNE
COLBERT COOSA CULLMAN
DALLAS DEKALB ELMORE
ETOWAH FAYETTE FRANKLIN
GREENE HALE JACKSON
JEFFERSON LAMAR LAUDERDALE
LAWRENCE LIMESTONE LOWNDES
MADISON MARENGO MARION
MARSHALL MONTGOMERY MORGAN
PERRY PICKENS RANDOLPH
ST. CLAIR SHELBY SUMTER
TALLADEGA TALLAPOOSA TUSCALOOSA
WALKER WINSTON
$$
GAC015-045-047-055-083-115-129-143-149-213-223-233-295-313-
030240-
GA
. GEORGIA COUNTIES INCLUDED ARE
BARTOW CARROLL CATOOSA
CHATTOOGA DADE FLOYD
GORDON HARALSON HEARD
MURRAY PAULDING POLK
WALKER WHITFIELD
$$
TNC001-003-005-007-011-013-015-021-027-031-035-037-041-043-049-
051-055-061-065-081-083-085-087-099-101-103-105-107-111-115-117-
119-121-123-125-127-129-133-135-137-139-141-143-145-147-149-151-
153-159-161-165-169-175-177-181-185-187-189-030240-
TN
. TENNESSEE COUNTIES INCLUDED ARE
ANDERSON BEDFORD BENTON
BLEDSOE BRADLEY CAMPBELL
CANNON CHEATHAM CLAY
COFFEE CUMBERLAND DAVIDSON
DEKALB DICKSON FENTRESS
FRANKLIN GILES GRUNDY
HAMILTON HICKMAN HOUSTON
HUMPHREYS JACKSON LAWRENCE
LEWIS LINCOLN LOUDON
MCMINN MACON MARION
MARSHALL MAURY MEIGS
MONROE MONTGOMERY MOORE
MORGAN OVERTON PERRY
PICKETT POLK PUTNAM
RHEA ROANE ROBERTSON
RUTHERFORD SCOTT SEQUATCHIE
SMITH STEWART SUMNER
TROUSDALE VAN BUREN WARREN
WAYNE WHITE WILLIAMSON
WILSON
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Mod (60%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Mod (40%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (60%)
|
Probability of 1 or more wind events > 65 knots
|
Mod (30%)
|
Hail
Probability of 10 or more severe hail events
|
Mod (60%)
|
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 (>95%)
|
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.