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 183
NWS STORM PREDICTION CENTER NORMAN OK
805 PM CDT WED APR 9 2008
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
WESTERN ARKANSAS
SOUTHEAST OKLAHOMA
NORTHEAST TEXAS
EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 805 PM
UNTIL 300 AM 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 45 STATUTE
MILES EAST AND WEST OF A LINE FROM 40 MILES NORTHEAST OF FORT
SMITH ARKANSAS TO 35 MILES SOUTH SOUTHWEST OF DE QUEEN ARKANSAS.
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 179...WW 180...WW
181...WW 182...
DISCUSSION...SCATTERED INTENSE/SUPERCELL THUNDERSTORMS ARE MOVING
EASTWARD ACROSS EASTERN OK INTO WESTERN AR. THESE STORMS ARE IN
REGION OF STRONG ASCENT AHEAD OF SUB-SYNOPTIC SURFACE LOW. VERY
STRONG WIND FIELDS AND MODERATE INSTABILITY SHOULD MAINTAIN THE RISK
OF LARGE HAIL...DAMAGING WINDS...AND TORNADOES FOR SEVERAL HOURS.
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.
...HART
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW3
WW 183 TORNADO AR OK TX 100105Z - 100800Z
AXIS..45 STATUTE MILES EAST AND WEST OF LINE..
40NE FSM/FORT SMITH AR/ - 35SSW DEQ/DE QUEEN AR/
..AVIATION COORDS.. 40NM E/W /29NE FSM - 28W TXK/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 24035.
LAT...LON 35749305 33589384 33589541 35749466
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU3.
Watch 183 Status Report Messages:
STATUS REPORT #4 ON WW 183
VALID 100535Z - 100640Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..HURLBUT..04/10/08
ATTN...WFO...SHV...LZK...
&&
STATUS REPORT FOR WT 183
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ARC071-083-097-113-115-127-149-100640-
AR
. ARKANSAS COUNTIES INCLUDED ARE
JOHNSON LOGAN MONTGOMERY
POLK POPE SCOTT
YELL
$$
OKC089-100640-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
MCCURTAIN
$$
TXC387-100640-
TX
. TEXAS COUNTIES INCLUDED ARE
RED RIVER
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #3 ON WW 183
VALID 100445Z - 100540Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 WSW HOT
TO 10 ENE DEQ TO 35 W TXK.
..HURLBUT..04/10/08
ATTN...WFO...SHV...LZK...
&&
STATUS REPORT FOR WT 183
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ARC071-083-097-113-115-127-149-100540-
AR
. ARKANSAS COUNTIES INCLUDED ARE
JOHNSON LOGAN MONTGOMERY
POLK POPE SCOTT
YELL
$$
OKC089-100540-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
MCCURTAIN
$$
TXC387-100540-
TX
. TEXAS COUNTIES INCLUDED ARE
RED RIVER
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 183
VALID 100330Z - 100440Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..HURLBUT..04/10/08
ATTN...WFO...SHV...LZK...
&&
STATUS REPORT FOR WT 183
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ARC057-061-071-081-083-097-109-113-115-127-133-149-100440-
AR
. ARKANSAS COUNTIES INCLUDED ARE
HEMPSTEAD HOWARD JOHNSON
LITTLE RIVER LOGAN MONTGOMERY
PIKE POLK POPE
SCOTT SEVIER YELL
$$
OKC089-100440-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
MCCURTAIN
$$
TXC387-100440-
TX
. TEXAS COUNTIES INCLUDED ARE
RED RIVER
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 183
VALID 100245Z - 100340Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..HURLBUT..04/10/08
ATTN...WFO...SHV...LZK...
&&
STATUS REPORT FOR WT 183
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ARC057-061-071-081-083-097-109-113-115-127-133-149-100340-
AR
. ARKANSAS COUNTIES INCLUDED ARE
HEMPSTEAD HOWARD JOHNSON
LITTLE RIVER LOGAN MONTGOMERY
PIKE POLK POPE
SCOTT SEVIER YELL
$$
OKC089-100340-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
MCCURTAIN
$$
TXC387-100340-
TX
. TEXAS COUNTIES INCLUDED ARE
RED RIVER
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
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 (30%)
|
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.