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.
SEL9
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 289
NWS STORM PREDICTION CENTER NORMAN OK
1050 PM CDT TUE MAY 22 2007
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
CENTRAL KANSAS
PARTS OF SOUTH CENTRAL AND EASTERN NEBRASKA
EFFECTIVE THIS TUESDAY NIGHT AND WEDNESDAY MORNING FROM 1050 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 45
STATUTE MILES EAST AND WEST OF A LINE FROM 20 MILES NORTH
NORTHEAST OF COLUMBUS NEBRASKA TO 35 MILES SOUTH OF RUSSELL
KANSAS. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED
WATCH OUTLINE UPDATE (WOUS64 KWNS WOU9).
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...THIS SEVERE THUNDERSTORM WATCH REPLACES
TORNADO WATCH NUMBER 288. WATCH NUMBER 288 WILL NOT BE IN EFFECT
AFTER 1050 PM CDT.
DISCUSSION...THUNDERSTORMS FROM CENTRAL NEB SSWWD TO CENTRAL KS
EXPECTED TO REMAIN SEVERE IN RESPONSE THE INCREASE IN THE LOW LEVEL
JET AND AVAILABLE INSTABILITY. PRIMARY THREAT WILL BE LARGE HAIL
AND DAMAGING WINDS ASSOCIATED WITH LINE SEGMENTS/BOWS.
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 24030.
...HALES
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW9
WW 289 SEVERE TSTM KS NE 230350Z - 230900Z
AXIS..45 STATUTE MILES EAST AND WEST OF LINE..
20NNE OLU/COLUMBUS NE/ - 35S RSL/RUSSELL KS/
..AVIATION COORDS.. 40NM E/W /55ENE OBH - 66WSW SLN/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 24030.
REPLACES WW 288..KS NE
LAT...LON 41709633 38349798 38349965 41709806
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU9.
Watch 289 Status Report Messages:
STATUS REPORT #5 ON WW 289
VALID 230825Z - 230940Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 SW BIE TO
20 SSW OFK.
..GOSS..05/23/07
ATTN...WFO...ICT...TOP...DDC...GID...OAX...
&&
STATUS REPORT FOR WS 289
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NEC023-037-095-141-151-159-230940-
NE
. NEBRASKA COUNTIES INCLUDED ARE
BUTLER COLFAX JEFFERSON
PLATTE SALINE SEWARD
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #4 ON WW 289
VALID 230635Z - 230740Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 40 S RSL TO
30 ENE RSL TO 35 ESE GRI TO 20 SSW OFK.
..GOSS..05/23/07
ATTN...WFO...ICT...TOP...DDC...GID...OAX...
&&
STATUS REPORT FOR WS 289
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
KSC009-029-051-053-089-105-123-141-143-145-157-159-163-165-167-
169-183-201-230740-
KS
. KANSAS COUNTIES INCLUDED ARE
BARTON CLOUD ELLIS
ELLSWORTH JEWELL LINCOLN
MITCHELL OSBORNE OTTAWA
PAWNEE REPUBLIC RICE
ROOKS RUSH RUSSELL
SALINE SMITH WASHINGTON
$$
NEC001-023-035-037-059-061-079-081-095-121-125-129-141-143-151-
159-169-181-185-230740-
NE
. NEBRASKA COUNTIES INCLUDED ARE
ADAMS BUTLER CLAY
COLFAX FILLMORE FRANKLIN
HALL HAMILTON JEFFERSON
MERRICK NANCE NUCKOLLS
PLATTE POLK SALINE
SEWARD THAYER WEBSTER
YORK
$$
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.
$$
STATUS REPORT #3 ON WW 289
VALID 230635Z - 230740Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 40 S RSL TO
30 ENE RSL TO 35 ESE GRI TO 20 SSW OFK.
..GOSS..05/23/07
ATTN...WFO...ICT...TOP...DDC...GID...OAX...
&&
STATUS REPORT FOR WS 289
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
KSC009-029-051-053-089-105-123-141-143-145-157-159-163-165-167-
169-183-201-230740-
KS
. KANSAS COUNTIES INCLUDED ARE
BARTON CLOUD ELLIS
ELLSWORTH JEWELL LINCOLN
MITCHELL OSBORNE OTTAWA
PAWNEE REPUBLIC RICE
ROOKS RUSH RUSSELL
SALINE SMITH WASHINGTON
$$
NEC001-023-035-037-059-061-079-081-095-121-125-129-141-143-151-
159-169-181-185-230740-
NE
. NEBRASKA COUNTIES INCLUDED ARE
ADAMS BUTLER CLAY
COLFAX FILLMORE FRANKLIN
HALL HAMILTON JEFFERSON
MERRICK NANCE NUCKOLLS
PLATTE POLK SALINE
SEWARD THAYER WEBSTER
YORK
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 289
VALID 230540Z - 230640Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 40 NNE DDC
TO 10 SW RSL TO 35 SSE HSI TO 20 ENE GRI TO 35 WSW OFK.
..GOSS..05/23/07
ATTN...WFO...ICT...TOP...DDC...GID...OAX...
&&
STATUS REPORT FOR WS 289
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
KSC009-029-053-089-105-123-143-145-157-159-165-167-169-201-
230640-
KS
. KANSAS COUNTIES INCLUDED ARE
BARTON CLOUD ELLSWORTH
JEWELL LINCOLN MITCHELL
OTTAWA PAWNEE REPUBLIC
RICE RUSH RUSSELL
SALINE WASHINGTON
$$
NEC023-035-037-059-081-095-121-125-129-141-143-151-159-169-185-
230640-
NE
. NEBRASKA COUNTIES INCLUDED ARE
BUTLER CLAY COLFAX
FILLMORE HAMILTON JEFFERSON
MERRICK NANCE NUCKOLLS
PLATTE POLK SALINE
SEWARD THAYER YORK
$$
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.
$$
STATUS REPORT #1 ON WW 289
VALID 230455Z - 230540Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 40 WSW RSL
TO 50 NNE RSL TO 10 NW GRI.
..DIAL..05/23/07
ATTN...WFO...ICT...TOP...DDC...GID...OAX...
&&
STATUS REPORT FOR WS 289
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
KSC009-029-051-053-089-105-123-141-143-145-157-159-165-167-169-
201-230540-
KS
. KANSAS COUNTIES INCLUDED ARE
BARTON CLOUD ELLIS
ELLSWORTH JEWELL LINCOLN
MITCHELL OSBORNE OTTAWA
PAWNEE REPUBLIC RICE
RUSH RUSSELL SALINE
WASHINGTON
$$
NEC001-023-035-037-059-079-081-095-121-125-129-141-143-151-159-
169-181-185-230540-
NE
. NEBRASKA COUNTIES INCLUDED ARE
ADAMS BUTLER CLAY
COLFAX FILLMORE HALL
HAMILTON JEFFERSON MERRICK
NANCE NUCKOLLS PLATTE
POLK SALINE SEWARD
THAYER WEBSTER YORK
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
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 (<2%)
|
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.