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.
SEL3
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 523
NWS STORM PREDICTION CENTER NORMAN OK
100 PM CDT MON JUN 20 2011
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
PARTS OF NORTH CENTRAL KANSAS
LARGE PART OF EASTERN NEBRASKA
EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 100 PM UNTIL 800
PM CDT.
...THIS IS A PARTICULARLY DANGEROUS SITUATION...
DESTRUCTIVE TORNADOES...LARGE HAIL TO 4 INCHES IN DIAMETER...
THUNDERSTORM WIND GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE
POSSIBLE IN THESE AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 65 STATUTE
MILES EAST AND WEST OF A LINE FROM 50 MILES EAST NORTHEAST OF
ONEILL NEBRASKA TO 25 MILES SOUTH SOUTHEAST OF HILL CITY KANSAS.
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 522...
DISCUSSION...INTENSE SURFACE LOW OVER NCENTRAL KS WITH RAPID
DESTABILIZATION OCCURRING INTO NEB WHERE SHEAR IS VERY FAVORABLE
FOR SUPERCELL DEVELOPMENT. SUPERCELL THUNDERSTORMS WELL DEVELOP
AHEAD OF THE TRACK OF THE LOW WITH POTENTIAL FOR STRONG TORNADOES
INCREASING THRU THE AFTERNOON AS SYSTEM MOVES NNE. VERY LARGE HAIL
ALSO LIKELY GIVEN MLCAPES AOA 2500 J/KG AND LARGE HODOGRAPHS.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 4 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
550. MEAN STORM MOTION VECTOR 22030.
...HALES
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW3
WW 523 TORNADO KS NE 201800Z - 210100Z
AXIS..65 STATUTE MILES EAST AND WEST OF LINE..
50ENE ONL/ONEILL NE/ - 25SSE HLC/HILL CITY KS/
..AVIATION COORDS.. 55NM E/W /44ENE ONL - 30ESE HLC/
HAIL SURFACE AND ALOFT..4 INCHES. WIND GUSTS..70 KNOTS.
MAX TOPS TO 550. MEAN STORM MOTION VECTOR 22030.
LAT...LON 42749648 39049844 39040086 42749905
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU3.
Watch 523 Status Report Messages:
STATUS REPORT #5 ON WW 523
VALID 210025Z - 210100Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
A NEW WW PROBABLY WILL BE ISSUED BY 21/01Z. IF NOT...A LOCAL
EXTENSION OF THE WW IN TIME IS ALMOST CERTAIN.
..KERR..06/21/11
ATTN...WFO...GLD...GID...OAX...LBF...
&&
STATUS REPORT FOR WT 523
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
KSC039-063-065-089-123-137-141-147-163-179-183-210100-
KS
. KANSAS COUNTIES INCLUDED ARE
DECATUR GOVE GRAHAM
JEWELL MITCHELL NORTON
OSBORNE PHILLIPS ROOKS
SHERIDAN SMITH
$$
NEC001-003-011-019-023-035-037-039-041-047-059-061-065-071-073-
077-079-081-083-089-093-099-115-119-121-125-129-137-139-141-143-
145-163-167-169-175-179-181-183-185-210100-
NE
. NEBRASKA COUNTIES INCLUDED ARE
ADAMS ANTELOPE BOONE
BUFFALO BUTLER CLAY
COLFAX CUMING CUSTER
DAWSON FILLMORE FRANKLIN
FURNAS GARFIELD GOSPER
GREELEY HALL HAMILTON
HARLAN HOLT HOWARD
KEARNEY LOUP MADISON
MERRICK NANCE NUCKOLLS
PHELPS PIERCE PLATTE
POLK RED WILLOW SHERMAN
STANTON THAYER VALLEY
WAYNE WEBSTER WHEELER
YORK
$$
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.
$$
STATUS REPORT #4 ON WW 523
VALID 202325Z - 210040Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..KERR..06/20/11
ATTN...WFO...GLD...GID...OAX...LBF...
&&
STATUS REPORT FOR WT 523
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
KSC039-063-065-089-123-137-141-147-163-179-183-210040-
KS
. KANSAS COUNTIES INCLUDED ARE
DECATUR GOVE GRAHAM
JEWELL MITCHELL NORTON
OSBORNE PHILLIPS ROOKS
SHERIDAN SMITH
$$
NEC001-003-011-019-023-035-037-039-041-047-059-061-065-071-073-
077-079-081-083-089-093-099-115-119-121-125-129-137-139-141-143-
145-163-167-169-175-179-181-183-185-210040-
NE
. NEBRASKA COUNTIES INCLUDED ARE
ADAMS ANTELOPE BOONE
BUFFALO BUTLER CLAY
COLFAX CUMING CUSTER
DAWSON FILLMORE FRANKLIN
FURNAS GARFIELD GOSPER
GREELEY HALL HAMILTON
HARLAN HOLT HOWARD
KEARNEY LOUP MADISON
MERRICK NANCE NUCKOLLS
PHELPS PIERCE PLATTE
POLK RED WILLOW SHERMAN
STANTON THAYER VALLEY
WAYNE WEBSTER WHEELER
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 523
VALID 202240Z - 202340Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..KERR..06/20/11
ATTN...WFO...GLD...GID...OAX...LBF...
&&
STATUS REPORT FOR WT 523
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
KSC065-089-123-137-141-147-163-183-202340-
KS
. KANSAS COUNTIES INCLUDED ARE
GRAHAM JEWELL MITCHELL
NORTON OSBORNE PHILLIPS
ROOKS SMITH
$$
NEC001-003-011-019-023-035-037-039-041-047-059-061-065-071-073-
077-079-081-083-089-093-099-115-119-121-125-129-137-139-141-143-
163-167-169-175-179-181-183-185-202340-
NE
. NEBRASKA COUNTIES INCLUDED ARE
ADAMS ANTELOPE BOONE
BUFFALO BUTLER CLAY
COLFAX CUMING CUSTER
DAWSON FILLMORE FRANKLIN
FURNAS GARFIELD GOSPER
GREELEY HALL HAMILTON
HARLAN HOLT HOWARD
KEARNEY LOUP MADISON
MERRICK NANCE NUCKOLLS
PHELPS PIERCE PLATTE
POLK SHERMAN STANTON
THAYER VALLEY WAYNE
WEBSTER WHEELER YORK
$$
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.
$$
STATUS REPORT #2 ON WW 523
VALID 202130Z - 202240Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..KERR..06/20/11
ATTN...WFO...GLD...GID...OAX...LBF...
&&
STATUS REPORT FOR WT 523
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
KSC065-089-123-137-141-147-163-183-202240-
KS
. KANSAS COUNTIES INCLUDED ARE
GRAHAM JEWELL MITCHELL
NORTON OSBORNE PHILLIPS
ROOKS SMITH
$$
NEC001-003-011-019-023-035-037-039-041-047-059-061-065-071-073-
077-079-081-083-089-093-099-115-119-121-125-129-137-139-141-143-
163-167-169-175-179-181-183-185-202240-
NE
. NEBRASKA COUNTIES INCLUDED ARE
ADAMS ANTELOPE BOONE
BUFFALO BUTLER CLAY
COLFAX CUMING CUSTER
DAWSON FILLMORE FRANKLIN
FURNAS GARFIELD GOSPER
GREELEY HALL HAMILTON
HARLAN HOLT HOWARD
KEARNEY LOUP MADISON
MERRICK NANCE NUCKOLLS
PHELPS PIERCE PLATTE
POLK SHERMAN STANTON
THAYER VALLEY WAYNE
WEBSTER WHEELER 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 523
VALID 202035Z - 202140Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1322
..GUYER..06/20/11
ATTN...WFO...GLD...GID...OAX...LBF...
&&
STATUS REPORT FOR WT 523
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
KSC065-089-123-137-141-147-163-183-202140-
KS
. KANSAS COUNTIES INCLUDED ARE
GRAHAM JEWELL MITCHELL
NORTON OSBORNE PHILLIPS
ROOKS SMITH
$$
NEC001-003-011-019-023-035-037-039-041-047-059-061-065-071-073-
077-079-081-083-089-093-099-115-119-121-125-129-137-139-141-143-
163-167-169-175-179-181-183-185-202140-
NE
. NEBRASKA COUNTIES INCLUDED ARE
ADAMS ANTELOPE BOONE
BUFFALO BUTLER CLAY
COLFAX CUMING CUSTER
DAWSON FILLMORE FRANKLIN
FURNAS GARFIELD GOSPER
GREELEY HALL HAMILTON
HARLAN HOLT HOWARD
KEARNEY LOUP MADISON
MERRICK NANCE NUCKOLLS
PHELPS PIERCE PLATTE
POLK SHERMAN STANTON
THAYER VALLEY WAYNE
WEBSTER WHEELER YORK
$$
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
|
High (90%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Mod (60%)
|
Wind
Probability of 10 or more severe wind events
|
High (80%)
|
Probability of 1 or more wind events > 65 knots
|
Mod (60%)
|
Hail
Probability of 10 or more severe hail events
|
High (>95%)
|
Probability
of 1 or
more hailstones > 2 inches
|
High (>95%)
|
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.