Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL5
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 225
NWS STORM PREDICTION CENTER NORMAN OK
225 AM CDT WED APR 27 2011
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
NORTHERN AND WESTERN ALABAMA
EXTREME NORTHEAST LOUISIANA
CENTRAL AND NORTHEAST MISSISSIPPI
SOUTHERN MIDDLE TENNESSEE
EFFECTIVE THIS WEDNESDAY MORNING FROM 225 AM UNTIL 800 AM CDT.
TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 95 STATUTE
MILES EAST AND WEST OF A LINE FROM 25 MILES NORTH NORTHEAST OF
HUNTSVILLE ALABAMA TO 55 MILES EAST SOUTHEAST OF NATCHEZ
MISSISSIPPI. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU5).
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 222...WW 223...WW 224...
DISCUSSION...WELL-DEVELOPED LINEAR MCS WITH EMBEDDED BOW/SUPERCELL
STRUCTURES WILL LIKELY PERSIST THROUGH THE MORNING HOURS WHILE
PROGRESSING ENEWD FROM MS INTO WRN/NRN AL. STRONG VERTICAL SHEAR
AND SUFFICIENT INSTABILITY WILL MAINTAIN THE CONVECTION...WITH A
CONTINUED RISK FOR A FEW TORNADOES...DAMAGING WINDS...AND LARGE
HAIL.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
550. MEAN STORM MOTION VECTOR 25045.
...THOMPSON
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW5
WW 225 TORNADO AL LA MS TN 270725Z - 271300Z
AXIS..95 STATUTE MILES EAST AND WEST OF LINE..
25NNE HSV/HUNTSVILLE AL/ - 55ESE HEZ/NATCHEZ MS/
..AVIATION COORDS.. 85NM E/W /46ENE MSL - 9W MCB/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..70 KNOTS.
MAX TOPS TO 550. MEAN STORM MOTION VECTOR 25045.
LAT...LON 34978493 31298883 31299205 34978829
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU5.
Watch 225 Status Report Messages:
STATUS REPORT #3 ON WW 225
VALID 271240Z - 271300Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 45 NW JAN TO
40 NE JAN TO 50 E MEI TO 5 SSE GAD TO 25 SE HSV TO 30 NE HSV.
WW 225 WILL BE ALLOWED TO EXPIRE AT 271300Z.
..DIAL..04/27/11
ATTN...WFO...BMX...HUN...JAN...MEG...
&&
STATUS REPORT FOR WT 225
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC019-027-029-037-049-071-089-095-271300-
AL
. ALABAMA COUNTIES INCLUDED ARE
CHEROKEE CLAY CLEBURNE
COOSA DEKALB JACKSON
MADISON MARSHALL
$$
MSC001-021-023-029-031-037-049-061-063-065-067-075-077-085-089-
101-121-123-127-129-149-271300-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
ADAMS CLAIBORNE CLARKE
COPIAH COVINGTON FRANKLIN
HINDS JASPER JEFFERSON
JEFFERSON DAVIS JONES LAUDERDALE
LAWRENCE LINCOLN MADISON
NEWTON RANKIN SCOTT
SIMPSON SMITH WARREN
$$
TNC051-271300-
TN
. TENNESSEE COUNTIES INCLUDED ARE
FRANKLIN
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 225
VALID 271150Z - 271240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 40 NW JAN TO
40 NE JAN TO 50 E MEI TO 5 SSE GAD TO 30 SE HSV TO 30 NE HSV.
..DIAL..04/27/11
ATTN...WFO...BMX...HUN...JAN...MEG...
&&
STATUS REPORT FOR WT 225
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC015-019-021-027-029-037-049-055-071-089-095-121-271240-
AL
. ALABAMA COUNTIES INCLUDED ARE
CALHOUN CHEROKEE CHILTON
CLAY CLEBURNE COOSA
DEKALB ETOWAH JACKSON
MADISON MARSHALL TALLADEGA
$$
MSC001-021-023-029-031-037-049-061-063-065-067-075-077-085-089-
101-121-123-127-129-149-271240-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
ADAMS CLAIBORNE CLARKE
COPIAH COVINGTON FRANKLIN
HINDS JASPER JEFFERSON
JEFFERSON DAVIS JONES LAUDERDALE
LAWRENCE LINCOLN MADISON
NEWTON RANKIN SCOTT
SIMPSON SMITH WARREN
$$
TNC051-271240-
TN
. TENNESSEE COUNTIES INCLUDED ARE
FRANKLIN
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 225
VALID 271040Z - 271140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 40 NW JAN TO
45 NE JAN TO 20 NE MEI TO 25 NW TCL TO 35 NNE CBM TO 25 WNW MSL.
..DIAL..04/27/11
ATTN...WFO...BMX...HUN...JAN...MEG...
&&
STATUS REPORT FOR WT 225
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC007-009-015-019-021-027-029-033-037-043-049-055-057-059-063-
065-071-073-077-079-083-089-093-095-103-105-107-115-117-119-121-
125-127-133-271140-
AL
. ALABAMA COUNTIES INCLUDED ARE
BIBB BLOUNT CALHOUN
CHEROKEE CHILTON CLAY
CLEBURNE COLBERT COOSA
CULLMAN DEKALB ETOWAH
FAYETTE FRANKLIN GREENE
HALE JACKSON JEFFERSON
LAUDERDALE LAWRENCE LIMESTONE
MADISON MARION MARSHALL
MORGAN PERRY PICKENS
ST. CLAIR SHELBY SUMTER
TALLADEGA TUSCALOOSA WALKER
WINSTON
$$
MSC001-021-023-029-031-037-049-061-063-065-067-075-077-085-089-
101-121-123-127-129-149-271140-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
ADAMS CLAIBORNE CLARKE
COPIAH COVINGTON FRANKLIN
HINDS JASPER JEFFERSON
JEFFERSON DAVIS JONES LAUDERDALE
LAWRENCE LINCOLN MADISON
NEWTON RANKIN SCOTT
SIMPSON SMITH WARREN
$$
TNC051-103-127-271140-
TN
. TENNESSEE COUNTIES INCLUDED ARE
FRANKLIN LINCOLN MOORE
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Mod (50%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Mod (30%)
|
Wind
Probability of 10 or more severe wind events
|
High (70%)
|
Probability of 1 or more wind events > 65 knots
|
Mod (50%)
|
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 (>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.