Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
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Watch Status Reports.
SEL1
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 201
NWS STORM PREDICTION CENTER NORMAN OK
1100 AM CDT MON APR 25 2011
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
WESTERN ARKANSAS
SOUTHEAST OKLAHOMA
NORTHEAST TEXAS
EFFECTIVE THIS MONDAY MORNING AND EVENING FROM 1100 AM UNTIL 600
PM CDT.
TORNADOES...HAIL TO 3 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 105 STATUTE
MILES EAST AND WEST OF A LINE FROM 5 MILES EAST SOUTHEAST OF
CORSICANA TEXAS TO 20 MILES WEST NORTHWEST OF FORT SMITH
ARKANSAS. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU1).
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 199...WW 200...
DISCUSSION...THUNDERSTORMS ARE INTENSIFYING OVER NORTHEAST TX AND
SOUTHEAST OK AS STRONG UPPER TROUGH APPROACHES FROM THE WEST. A
VERY MOIST AND MODERATELY UNSTABLE AIR MASS IS IN PLACE...WITH ONLY
A WEAK CAP. FAVORABLE LOW LEVEL AND DEEP LAYER VERTICAL
SHEAR...COMBINED WITH PRESENCE OF SURFACE BOUNDARIES...WILL PROMOTE
SUPERCELL THREAT. DAMAGING WINDS...VERY LARGE HAIL...AND A FEW
TORNADOES ARE ALL POSSIBLE THROUGH THE AFTERNOON IN THE WATCH AREA.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 25040.
...HART
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW1
WW 201 TORNADO AR OK TX 251600Z - 252300Z
AXIS..105 STATUTE MILES EAST AND WEST OF LINE..
5ESE CRS/CORSICANA TX/ - 20WNW FSM/FORT SMITH AR/
..AVIATION COORDS.. 90NM E/W /53ENE ACT - 21W FSM/
HAIL SURFACE AND ALOFT..3 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 25040.
LAT...LON 31989811 35439655 35439283 31989452
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU1.
Watch 201 Status Report Messages:
STATUS REPORT #4 ON WW 201
VALID 252230Z - 252340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 NNW ACT
TO 40 SSE FTW TO 30 SE DAL TO 40 ESE GYI TO 20 ENE FSM.
FOR ADDITIONAL INFORMATION SEE SPC MESOSCALE DISCUSSION 577.
..EDWARDS..04/25/11
ATTN...WFO...LZK...TSA...SHV...OUN...FWD...
&&
STATUS REPORT FOR WT 201
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ARC015-033-047-087-131-252340-
AR
. ARKANSAS COUNTIES INCLUDED ARE
CARROLL CRAWFORD FRANKLIN
MADISON SEBASTIAN
$$
OKC079-252340-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
LE FLORE
$$
TXC119-139-213-217-223-231-257-277-349-379-467-252340-
TX
. TEXAS COUNTIES INCLUDED ARE
DELTA ELLIS HENDERSON
HILL HOPKINS HUNT
KAUFMAN LAMAR NAVARRO
RAINS VAN ZANDT
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #3 ON WW 201
VALID 252135Z - 252240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 WNW FTW
TO 15 SE MKO.
..ROGERS..04/25/11
ATTN...WFO...LZK...TSA...SHV...OUN...FWD...
&&
STATUS REPORT FOR WT 201
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ARC015-033-047-087-131-143-252240-
AR
. ARKANSAS COUNTIES INCLUDED ARE
CARROLL CRAWFORD FRANKLIN
MADISON SEBASTIAN WASHINGTON
$$
OKC005-013-023-061-077-079-121-127-135-252240-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
ATOKA BRYAN CHOCTAW
HASKELL LATIMER LE FLORE
PITTSBURG PUSHMATAHA SEQUOYAH
$$
TXC035-085-113-119-121-139-143-147-181-213-217-221-223-231-251-
257-277-349-367-379-397-425-439-467-252240-
TX
. TEXAS COUNTIES INCLUDED ARE
BOSQUE COLLIN DALLAS
DELTA DENTON ELLIS
ERATH FANNIN GRAYSON
HENDERSON HILL HOOD
HOPKINS HUNT JOHNSON
KAUFMAN LAMAR NAVARRO
PARKER RAINS ROCKWALL
SOMERVELL TARRANT VAN ZANDT
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 201
VALID 252040Z - 252140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 35 WNW GYI
TO 30 WSW MKO.
..GUYER..04/25/11
ATTN...WFO...LZK...TSA...SHV...OUN...FWD...
&&
STATUS REPORT FOR WT 201
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ARC015-033-047-087-131-143-252140-
AR
. ARKANSAS COUNTIES INCLUDED ARE
CARROLL CRAWFORD FRANKLIN
MADISON SEBASTIAN WASHINGTON
$$
OKC005-013-023-029-061-063-069-077-079-091-095-101-121-127-135-
252140-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
ATOKA BRYAN CHOCTAW
COAL HASKELL HUGHES
JOHNSTON LATIMER LE FLORE
MCINTOSH MARSHALL MUSKOGEE
PITTSBURG PUSHMATAHA SEQUOYAH
$$
TXC035-085-097-113-119-121-139-143-147-181-213-217-221-223-231-
251-257-277-337-349-367-379-397-425-439-467-497-252140-
TX
. TEXAS COUNTIES INCLUDED ARE
BOSQUE COLLIN COOKE
DALLAS DELTA DENTON
ELLIS ERATH FANNIN
GRAYSON HENDERSON HILL
HOOD HOPKINS HUNT
JOHNSON KAUFMAN LAMAR
MONTAGUE NAVARRO PARKER
RAINS ROCKWALL SOMERVELL
TARRANT VAN ZANDT WISE
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 201
VALID 251725Z - 251840Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..GUYER..04/25/11
ATTN...WFO...LZK...TSA...SHV...OUN...FWD...
&&
STATUS REPORT FOR WT 201
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ARC019-033-047-057-061-081-083-091-097-099-109-113-127-131-133-
149-251840-
AR
. ARKANSAS COUNTIES INCLUDED ARE
CLARK CRAWFORD FRANKLIN
HEMPSTEAD HOWARD LITTLE RIVER
LOGAN MILLER MONTGOMERY
NEVADA PIKE POLK
SCOTT SEBASTIAN SEVIER
YELL
$$
OKC005-013-019-023-029-061-063-069-077-079-085-089-091-095-099-
101-121-123-127-135-251840-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
ATOKA BRYAN CARTER
CHOCTAW COAL HASKELL
HUGHES JOHNSTON LATIMER
LE FLORE LOVE MCCURTAIN
MCINTOSH MARSHALL MURRAY
MUSKOGEE PITTSBURG PONTOTOC
PUSHMATAHA SEQUOYAH
$$
TXC035-037-063-067-085-097-113-119-121-139-143-147-159-181-183-
203-213-217-221-223-231-251-257-277-315-337-343-349-367-379-387-
397-423-425-439-449-459-467-497-499-251840-
TX
. TEXAS COUNTIES INCLUDED ARE
BOSQUE BOWIE CAMP
CASS COLLIN COOKE
DALLAS DELTA DENTON
ELLIS ERATH FANNIN
FRANKLIN GRAYSON GREGG
HARRISON HENDERSON HILL
HOOD HOPKINS HUNT
JOHNSON KAUFMAN LAMAR
MARION MONTAGUE MORRIS
NAVARRO PARKER RAINS
RED RIVER ROCKWALL SMITH
SOMERVELL TARRANT TITUS
UPSHUR VAN ZANDT WISE
WOOD
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
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
|
High (80%)
|
Probability
of 1 or
more hailstones > 2 inches
|
Mod (50%)
|
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.