Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL3
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 253
NWS STORM PREDICTION CENTER NORMAN OK
445 PM CDT FRI MAY 2 2008
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
PART OF NORTHERN ALABAMA
PARTS OF CENTRAL AND NORTHEAST MISSISSIPPI
MUCH OF MIDDLE TENNESSEE
EFFECTIVE THIS FRIDAY AFTERNOON FROM 445 PM UNTIL MIDNIGHT CDT.
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 60 STATUTE
MILES EAST AND WEST OF A LINE FROM 40 MILES NORTH NORTHEAST OF
NASHVILLE TENNESSEE TO 95 MILES SOUTHWEST OF COLUMBUS
MISSISSIPPI. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU3).
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 251...WW 252...
DISCUSSION...SUPERCELLS CONTINUE TO DEVELOP EWD AHEAD OF STRONG
UPPER TROUGH. WITH VERY FAVORABLE SHEAR AND INSTABILITY...POTENTIAL
WILL CONTINUE ACROSS THE WATCH ARE FOR TORNADOS AND SEVERE
THUNDERSTORMS THROUGH THE EVENING.
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
500. MEAN STORM MOTION VECTOR 24035.
...HALES
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW3
WW 253 TORNADO AL MS TN 022145Z - 030500Z
AXIS..60 STATUTE MILES EAST AND WEST OF LINE..
40NNE BNA/NASHVILLE TN/ - 95SW CBM/COLUMBUS MS/
..AVIATION COORDS.. 50NM E/W /16S BWG - 30ENE JAN/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 24035.
LAT...LON 36658531 32658856 32659063 36658748
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU3.
Watch 253 Status Report Messages:
STATUS REPORT #4 ON WW 253
VALID 030335Z - 030440Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 55 NNE HSV
TO 25 NNW HSV TO 35 WNW MSL TO 45 WSW TCL.
..SMITH..05/03/08
ATTN...WFO...HUN...BMX...JAN...MEG...OHX...
&&
STATUS REPORT FOR WT 253
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MSC007-015-017-019-025-051-057-069-079-081-087-089-095-097-099-
103-105-117-141-155-159-163-030440-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
ATTALA CARROLL CHICKASAW
CHOCTAW CLAY HOLMES
ITAWAMBA KEMPER LEAKE
LEE LOWNDES MADISON
MONROE MONTGOMERY NESHOBA
NOXUBEE OKTIBBEHA PRENTISS
TISHOMINGO WEBSTER WINSTON
YAZOO
$$
TNC003-005-015-021-027-031-037-041-043-055-081-083-085-087-099-
101-111-117-119-125-135-141-147-149-159-161-165-169-181-187-189-
030440-
TN
. TENNESSEE COUNTIES INCLUDED ARE
BEDFORD BENTON CANNON
CHEATHAM CLAY COFFEE
DAVIDSON DEKALB DICKSON
GILES HICKMAN HOUSTON
HUMPHREYS JACKSON LAWRENCE
LEWIS MACON MARSHALL
MAURY MONTGOMERY PERRY
PUTNAM ROBERTSON RUTHERFORD
SMITH STEWART SUMNER
TROUSDALE WAYNE WILLIAMSON
WILSON
$$
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.
$$
STATUS REPORT #3 ON WW 253
VALID 030230Z - 030340Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..SMITH..05/03/08
ATTN...WFO...HUN...BMX...JAN...MEG...OHX...
&&
STATUS REPORT FOR WT 253
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC033-057-059-075-077-079-083-089-093-103-107-133-030340-
AL
. ALABAMA COUNTIES INCLUDED ARE
COLBERT FAYETTE FRANKLIN
LAMAR LAUDERDALE LAWRENCE
LIMESTONE MADISON MARION
MORGAN PICKENS WINSTON
$$
MSC007-015-017-019-025-051-057-069-079-081-087-089-095-097-099-
103-105-117-141-155-159-163-030340-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
ATTALA CARROLL CHICKASAW
CHOCTAW CLAY HOLMES
ITAWAMBA KEMPER LEAKE
LEE LOWNDES MADISON
MONROE MONTGOMERY NESHOBA
NOXUBEE OKTIBBEHA PRENTISS
TISHOMINGO WEBSTER WINSTON
YAZOO
$$
TNC003-005-015-021-027-031-037-041-043-055-081-083-085-087-099-
101-103-111-117-119-125-127-135-141-147-149-159-161-165-169-181-
187-189-030340-
TN
. TENNESSEE COUNTIES INCLUDED ARE
BEDFORD BENTON CANNON
CHEATHAM CLAY COFFEE
DAVIDSON DEKALB DICKSON
GILES HICKMAN HOUSTON
HUMPHREYS JACKSON LAWRENCE
LEWIS LINCOLN MACON
MARSHALL MAURY MONTGOMERY
MOORE PERRY PUTNAM
ROBERTSON RUTHERFORD SMITH
STEWART SUMNER TROUSDALE
WAYNE WILLIAMSON WILSON
$$
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.
$$
STATUS REPORT #2 ON WW 253
VALID 030125Z - 030240Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 779
..SMITH..05/03/08
ATTN...WFO...HUN...BMX...JAN...MEG...OHX...
&&
STATUS REPORT FOR WT 253
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC033-057-059-075-077-079-083-089-093-103-107-133-030240-
AL
. ALABAMA COUNTIES INCLUDED ARE
COLBERT FAYETTE FRANKLIN
LAMAR LAUDERDALE LAWRENCE
LIMESTONE MADISON MARION
MORGAN PICKENS WINSTON
$$
MSC007-015-017-019-025-051-057-069-079-081-087-089-095-097-099-
103-105-117-141-155-159-163-030240-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
ATTALA CARROLL CHICKASAW
CHOCTAW CLAY HOLMES
ITAWAMBA KEMPER LEAKE
LEE LOWNDES MADISON
MONROE MONTGOMERY NESHOBA
NOXUBEE OKTIBBEHA PRENTISS
TISHOMINGO WEBSTER WINSTON
YAZOO
$$
TNC003-005-015-021-027-031-037-041-043-055-081-083-085-087-099-
101-103-111-117-119-125-127-135-141-147-149-159-161-165-169-181-
187-189-030240-
TN
. TENNESSEE COUNTIES INCLUDED ARE
BEDFORD BENTON CANNON
CHEATHAM CLAY COFFEE
DAVIDSON DEKALB DICKSON
GILES HICKMAN HOUSTON
HUMPHREYS JACKSON LAWRENCE
LEWIS LINCOLN MACON
MARSHALL MAURY MONTGOMERY
MOORE PERRY PUTNAM
ROBERTSON RUTHERFORD SMITH
STEWART SUMNER TROUSDALE
WAYNE WILLIAMSON WILSON
$$
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.
$$
STATUS REPORT #1 ON WW 253
VALID 022240Z - 022340Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..GUYER..05/02/08
ATTN...WFO...HUN...BMX...JAN...MEG...OHX...
&&
STATUS REPORT FOR WT 253
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC033-057-059-075-077-079-083-089-093-103-107-133-022340-
AL
. ALABAMA COUNTIES INCLUDED ARE
COLBERT FAYETTE FRANKLIN
LAMAR LAUDERDALE LAWRENCE
LIMESTONE MADISON MARION
MORGAN PICKENS WINSTON
$$
MSC007-015-017-019-025-051-057-069-079-081-087-089-095-097-099-
103-105-117-141-155-159-163-022340-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
ATTALA CARROLL CHICKASAW
CHOCTAW CLAY HOLMES
ITAWAMBA KEMPER LEAKE
LEE LOWNDES MADISON
MONROE MONTGOMERY NESHOBA
NOXUBEE OKTIBBEHA PRENTISS
TISHOMINGO WEBSTER WINSTON
YAZOO
$$
TNC003-005-015-021-027-031-037-041-043-055-081-083-085-087-099-
101-103-111-117-119-125-127-135-141-147-149-159-161-165-169-181-
187-189-022340-
TN
. TENNESSEE COUNTIES INCLUDED ARE
BEDFORD BENTON CANNON
CHEATHAM CLAY COFFEE
DAVIDSON DEKALB DICKSON
GILES HICKMAN HOUSTON
HUMPHREYS JACKSON LAWRENCE
LEWIS LINCOLN MACON
MARSHALL MAURY MONTGOMERY
MOORE PERRY PUTNAM
ROBERTSON RUTHERFORD SMITH
STEWART SUMNER TROUSDALE
WAYNE WILLIAMSON WILSON
$$
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 (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.