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 255
NWS STORM PREDICTION CENTER NORMAN OK
750 PM CDT FRI MAY 2 2008
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
PARTS OF EASTERN ARKANSAS
LARGE PART OF NORTHERN MISSISSIPPI
EFFECTIVE THIS FRIDAY NIGHT AND SATURDAY MORNING FROM 750 PM
UNTIL 200 AM CDT.
TORNADOES...HAIL TO 2.5 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 60 STATUTE
MILES EAST AND WEST OF A LINE FROM 40 MILES SOUTH SOUTHEAST OF
MONTICELLO ARKANSAS TO 45 MILES NORTH NORTHEAST OF OXFORD
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...THIS TORNADO WATCH REPLACES TORNADO
WATCH NUMBER 251. WATCH NUMBER 251 WILL NOT BE IN EFFECT AFTER
750 PM CDT. CONTINUE...WW 253...WW 254...
DISCUSSION...SUPERCELL THUNDERSTORMS WILL CONTINUE TO DEVELOP ACROSS
THE WATCH AREA NEXT SEVERAL HOURS AS SHEAR AND UNSTABLE AIR MASS
REMAIN FAVORABLE.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
550. 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.
SAW5
WW 255 TORNADO AR MS 030050Z - 030700Z
AXIS..60 STATUTE MILES EAST AND WEST OF LINE..
40SSE LLQ/MONTICELLO AR/ - 45NNE UOX/OXFORD MS/
..AVIATION COORDS.. 50NM E/W /45NE MLU - 37E MEM/
HAIL SURFACE AND ALOFT..2.5 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 550. MEAN STORM MOTION VECTOR 24035.
REPLACES WW 251..AR MO MS TN
LAT...LON 33099251 34979029 34978816 33099044
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU5.
Watch 255 Status Report Messages:
STATUS REPORT #3 ON WW 255
VALID 030335Z - 030440Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..SMITH..05/03/08
ATTN...WFO...JAN...LZK...MEG...
&&
STATUS REPORT FOR WT 255
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ARC003-011-017-041-043-079-107-030440-
AR
. ARKANSAS COUNTIES INCLUDED ARE
ASHLEY BRADLEY CHICOT
DESHA DREW LINCOLN
PHILLIPS
$$
MSC003-009-011-013-027-033-043-071-083-093-107-115-119-133-135-
137-139-143-145-151-161-030440-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
ALCORN BENTON BOLIVAR
CALHOUN COAHOMA DESOTO
GRENADA LAFAYETTE LEFLORE
MARSHALL PANOLA PONTOTOC
QUITMAN SUNFLOWER TALLAHATCHIE
TATE TIPPAH TUNICA
UNION WASHINGTON YALOBUSHA
$$
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.
$$
STATUS REPORT #2 ON WW 255
VALID 030235Z - 030340Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..SMITH..05/03/08
ATTN...WFO...JAN...LZK...MEG...
&&
STATUS REPORT FOR WT 255
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ARC003-011-017-041-043-079-107-030340-
AR
. ARKANSAS COUNTIES INCLUDED ARE
ASHLEY BRADLEY CHICOT
DESHA DREW LINCOLN
PHILLIPS
$$
MSC003-009-011-013-027-033-043-071-083-093-107-115-119-133-135-
137-139-143-145-151-161-030340-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
ALCORN BENTON BOLIVAR
CALHOUN COAHOMA DESOTO
GRENADA LAFAYETTE LEFLORE
MARSHALL PANOLA PONTOTOC
QUITMAN SUNFLOWER TALLAHATCHIE
TATE TIPPAH TUNICA
UNION WASHINGTON YALOBUSHA
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 255
VALID 030130Z - 030240Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 779
..SMITH..05/03/08
ATTN...WFO...JAN...LZK...MEG...
&&
STATUS REPORT FOR WT 255
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ARC003-011-017-041-043-079-107-030240-
AR
. ARKANSAS COUNTIES INCLUDED ARE
ASHLEY BRADLEY CHICOT
DESHA DREW LINCOLN
PHILLIPS
$$
MSC003-009-011-013-027-033-043-071-083-093-107-115-119-133-135-
137-139-143-145-151-161-030240-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
ALCORN BENTON BOLIVAR
CALHOUN COAHOMA DESOTO
GRENADA LAFAYETTE LEFLORE
MARSHALL PANOLA PONTOTOC
QUITMAN SUNFLOWER TALLAHATCHIE
TATE TIPPAH TUNICA
UNION WASHINGTON YALOBUSHA
$$
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.
weather.gov 
