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
SEVERE THUNDERSTORM WATCH NUMBER 361
NWS STORM PREDICTION CENTER NORMAN OK
945 PM CDT TUE JUN 9 2009
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
NORTHERN ARKANSAS
SOUTHERN MISSOURI
NORTHEAST OKLAHOMA
EFFECTIVE THIS TUESDAY NIGHT AND WEDNESDAY MORNING FROM 945 PM
UNTIL 400 AM CDT.
HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 55
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 15 MILES WEST OF
GROVE OKLAHOMA TO 35 MILES EAST SOUTHEAST OF WEST PLAINS
MISSOURI. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU1).
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 357...WW 358...WW
359...WW 360...
DISCUSSION...A CLUSTER OF SEVERE STORMS OVER NORTHEAST OK AND
SOUTHWEST MO WILL LIKELY PERSIST FOR SEVERAL MORE HOURS AND TRACK
EAST-SOUTHEASTWARD ALONG OLD OUTFLOW BOUNDARY INTO NORTHERN AR.
AMPLE MOISTURE/INSTABILITY AND INCREASING LOW LEVEL WINDS WILL
MAINTAIN A RISK OF ISOLATED SEVERE STORMS CAPABLE OF HAIL AND
DAMAGING WINDS.
AVIATION...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 30025.
...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 361 SEVERE TSTM AR MO OK 100245Z - 100900Z
AXIS..55 STATUTE MILES NORTH AND SOUTH OF LINE..
15W GMJ/GROVE OK/ - 35ESE UNO/WEST PLAINS MO/
..AVIATION COORDS.. 50NM N/S /34SSE OSW - 31NNW ARG/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 30025.
LAT...LON 37409501 37349129 35759129 35819501
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU1.
Watch 361 Status Report Messages:
STATUS REPORT #5 ON WW 361
VALID 100850Z - 100900Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 NW ARG TO
20 N FLP TO 25 SE UMN TO 20 NNW JLN.
WW 361 WILL BE EXTENDED IN TIME BEYOND EXPIRATION OF 100900Z.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1016.
..PETERS..06/10/09
ATTN...WFO...LZK...TSA...SGF...
&&
STATUS REPORT FOR WS 361
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MOC009-011-015-029-039-043-057-059-067-077-085-091-097-105-109-
141-149-153-167-185-203-209-213-215-217-225-229-100900-
MO
. MISSOURI COUNTIES INCLUDED ARE
BARRY BARTON BENTON
CAMDEN CEDAR CHRISTIAN
DADE DALLAS DOUGLAS
GREENE HICKORY HOWELL
JASPER LACLEDE LAWRENCE
MORGAN OREGON OZARK
POLK ST. CLAIR SHANNON
STONE TANEY TEXAS
VERNON WEBSTER WRIGHT
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #4 ON WW 361
VALID 100730Z - 100840Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1015.
..PETERS..06/10/09
ATTN...WFO...LZK...TSA...SGF...
&&
STATUS REPORT FOR WS 361
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ARC005-007-009-015-029-049-065-071-087-089-101-115-129-135-137-
141-143-100840-
AR
. ARKANSAS COUNTIES INCLUDED ARE
BAXTER BENTON BOONE
CARROLL CONWAY FULTON
IZARD JOHNSON MADISON
MARION NEWTON POPE
SEARCY SHARP STONE
VAN BUREN WASHINGTON
$$
KSC011-021-037-100840-
KS
. KANSAS COUNTIES INCLUDED ARE
BOURBON CHEROKEE CRAWFORD
$$
MOC009-011-015-029-039-043-057-059-067-077-085-091-097-105-109-
119-141-145-149-153-167-185-203-209-213-215-217-225-229-
100840-
MO
. MISSOURI COUNTIES INCLUDED ARE
BARRY BARTON BENTON
CAMDEN CEDAR CHRISTIAN
DADE DALLAS DOUGLAS
GREENE HICKORY HOWELL
JASPER LACLEDE LAWRENCE
MCDONALD MORGAN NEWTON
OREGON OZARK POLK
ST. CLAIR SHANNON STONE
TANEY TEXAS VERNON
WEBSTER WRIGHT
$$
OKC041-115-100840-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
DELAWARE OTTAWA
$$
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.
$$
STATUS REPORT #3 ON WW 361
VALID 100640Z - 100740Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..PETERS..06/10/09
ATTN...WFO...LZK...TSA...SGF...
&&
STATUS REPORT FOR WS 361
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ARC005-007-009-015-029-049-065-071-087-089-101-115-129-135-137-
141-143-100740-
AR
. ARKANSAS COUNTIES INCLUDED ARE
BAXTER BENTON BOONE
CARROLL CONWAY FULTON
IZARD JOHNSON MADISON
MARION NEWTON POPE
SEARCY SHARP STONE
VAN BUREN WASHINGTON
$$
MOC009-043-067-077-091-097-109-119-145-149-153-203-209-213-215-
225-229-100740-
MO
. MISSOURI COUNTIES INCLUDED ARE
BARRY CHRISTIAN DOUGLAS
GREENE HOWELL JASPER
LAWRENCE MCDONALD NEWTON
OREGON OZARK SHANNON
STONE TANEY TEXAS
WEBSTER WRIGHT
$$
OKC041-115-100740-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
DELAWARE OTTAWA
$$
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.
$$
STATUS REPORT #2 ON WW 361
VALID 100535Z - 100640Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..PETERS..06/10/09
ATTN...WFO...LZK...TSA...SGF...
&&
STATUS REPORT FOR WS 361
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ARC005-007-009-015-029-049-065-071-087-089-101-115-129-135-137-
141-143-100640-
AR
. ARKANSAS COUNTIES INCLUDED ARE
BAXTER BENTON BOONE
CARROLL CONWAY FULTON
IZARD JOHNSON MADISON
MARION NEWTON POPE
SEARCY SHARP STONE
VAN BUREN WASHINGTON
$$
MOC009-043-067-077-091-097-109-119-145-149-153-203-209-213-215-
225-229-100640-
MO
. MISSOURI COUNTIES INCLUDED ARE
BARRY CHRISTIAN DOUGLAS
GREENE HOWELL JASPER
LAWRENCE MCDONALD NEWTON
OREGON OZARK SHANNON
STONE TANEY TEXAS
WEBSTER WRIGHT
$$
OKC041-115-100640-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
DELAWARE OTTAWA
$$
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.
$$
STATUS REPORT #1 ON WW 361
VALID 100335Z - 100440Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..SPC..06/10/09
ATTN...WFO...LZK...TSA...SGF...
&&
STATUS REPORT FOR WS 361
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ARC005-007-009-015-049-065-087-089-101-129-135-137-143-100440-
AR
. ARKANSAS COUNTIES INCLUDED ARE
BAXTER BENTON BOONE
CARROLL FULTON IZARD
MADISON MARION NEWTON
SEARCY SHARP STONE
WASHINGTON
$$
MOC009-043-067-077-091-097-109-119-145-149-153-203-209-213-215-
225-229-100440-
MO
. MISSOURI COUNTIES INCLUDED ARE
BARRY CHRISTIAN DOUGLAS
GREENE HOWELL JASPER
LAWRENCE MCDONALD NEWTON
OREGON OZARK SHANNON
STONE TANEY TEXAS
WEBSTER WRIGHT
$$
OKC041-115-100440-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
DELAWARE OTTAWA
$$
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 (20%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Low (5%)
|
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 (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.