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.
SEL6
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 556
NWS STORM PREDICTION CENTER NORMAN OK
710 PM CDT MON JUN 16 2008
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
NORTHWEST AND NORTH CENTRAL TEXAS
EFFECTIVE THIS MONDAY NIGHT FROM 710 PM UNTIL MIDNIGHT CDT.
HAIL TO 2.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 80
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 60
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 85 MILES WEST
SOUTHWEST OF CHILDRESS TEXAS TO 45 MILES SOUTH SOUTHEAST OF
WICHITA FALLS TEXAS. FOR A COMPLETE DEPICTION OF THE WATCH SEE
THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6).
REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR 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. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.
OTHER WATCH INFORMATION...CONTINUE...WW 551...WW 552...WW
553...WW 555...
DISCUSSION...SEVERE THUNDERSTORMS JUST NORTH OF A SWD MOVING OUTFLOW
BOUNDARY OVER EXTREME SWRN OK ARE EXPECTED TO CONTINUE SPREADING SWD
AS THE BOUNDARY MOVES INTO AN ENVIRONMENT CHARACTERIZED BY A DEEP
MIXED LAYER AND STEEP LAPSE RATES. ADDITIONAL STORMS ARE DEVELOPING
WWD ALONG THE BOUNDARY INTO THE FAR SERN TX PANHANDLE AND SIMILAR
STORM POTENTIAL IS EXPECTED WITH THIS ACTIVITY. LARGE HAIL AND
DAMAGING WINDS ARE LIKELY WITH THE STRONGEST CELLS.
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM
MOTION VECTOR 29020.
...WEISS
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW6
WW 556 SEVERE TSTM TX 170010Z - 170500Z
AXIS..60 STATUTE MILES NORTH AND SOUTH OF LINE..
85WSW CDS/CHILDRESS TX/ - 45SSE SPS/WICHITA FALLS TX/
..AVIATION COORDS.. 50NM N/S /20NE LBB - 42SSE SPS/
HAIL SURFACE AND ALOFT..2.5 INCHES. WIND GUSTS..70 KNOTS.
MAX TOPS TO 550. MEAN STORM MOTION VECTOR 29020.
LAT...LON 34810165 34249819 32509819 33080165
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU6.
Watch 556 Status Report Messages:
STATUS REPORT #5 ON WW 556
VALID 170440Z - 170500Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 40 SSE LBB
TO 20 SSE LBB TO 50 SSW SPS TO 40 ENE ABI.
REMAINING VALID PORTION OF WW 556 COULD BE EXTENDED IN AREA/TIME
LOCALLY...MAINLY ACROSS WFO SJT CWA. OTHERWISE...WW 556 WILL BE
ALLOWED TO EXPIRE AT 17/05Z.
..KERR..06/17/08
ATTN...WFO...OUN...LUB...SJT...FWD...
&&
STATUS REPORT FOR WS 556
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TXC169-207-263-433-447-170500-
TX
. TEXAS COUNTIES INCLUDED ARE
GARZA HASKELL KENT
STONEWALL THROCKMORTON
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #4 ON WW 556
VALID 170330Z - 170440Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 15 SSE PVW
TO 40 N MWL.
..KERR..06/17/08
ATTN...WFO...OUN...LUB...SJT...FWD...
&&
STATUS REPORT FOR WS 556
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TXC023-107-125-169-207-263-269-275-433-447-170440-
TX
. TEXAS COUNTIES INCLUDED ARE
BAYLOR CROSBY DICKENS
GARZA HASKELL KENT
KING KNOX STONEWALL
THROCKMORTON
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #3 ON WW 556
VALID 170235Z - 170340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 NNE LBB
TO 45 SSW CDS TO 40 SSE CDS TO 25 NE CDS.
..JEWELL..06/17/08
ATTN...WFO...OUN...LUB...SJT...FWD...
&&
STATUS REPORT FOR WS 556
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TXC009-023-077-107-125-155-169-197-207-237-263-269-275-433-447-
485-487-503-170340-
TX
. TEXAS COUNTIES INCLUDED ARE
ARCHER BAYLOR CLAY
CROSBY DICKENS FOARD
GARZA HARDEMAN HASKELL
JACK KENT KING
KNOX STONEWALL THROCKMORTON
WICHITA WILBARGER YOUNG
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 556
VALID 170135Z - 170240Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..JEWELL..06/17/08
ATTN...WFO...OUN...LUB...SJT...FWD...
&&
STATUS REPORT FOR WS 556
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TXC009-023-045-075-077-101-107-125-153-155-169-191-197-207-237-
263-269-275-345-433-447-485-487-503-170240-
TX
. TEXAS COUNTIES INCLUDED ARE
ARCHER BAYLOR BRISCOE
CHILDRESS CLAY COTTLE
CROSBY DICKENS FLOYD
FOARD GARZA HALL
HARDEMAN HASKELL JACK
KENT KING KNOX
MOTLEY STONEWALL THROCKMORTON
WICHITA WILBARGER YOUNG
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 556
VALID 170045Z - 170140Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1427
..BRIGHT..06/17/08
ATTN...WFO...OUN...LUB...SJT...FWD...
&&
STATUS REPORT FOR WS 556
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TXC009-023-045-075-077-101-107-125-153-155-169-191-197-207-237-
263-269-275-345-433-447-485-487-503-170140-
TX
. TEXAS COUNTIES INCLUDED ARE
ARCHER BAYLOR BRISCOE
CHILDRESS CLAY COTTLE
CROSBY DICKENS FLOYD
FOARD GARZA HALL
HARDEMAN HASKELL JACK
KENT KING KNOX
MOTLEY STONEWALL THROCKMORTON
WICHITA WILBARGER YOUNG
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Low (10%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Low (5%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (50%)
|
Probability of 1 or more wind events > 65 knots
|
Low (20%)
|
Hail
Probability of 10 or more severe hail events
|
Mod (30%)
|
Probability
of 1 or
more hailstones > 2 inches
|
Low (20%)
|
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.