Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL7
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 527
NWS STORM PREDICTION CENTER NORMAN OK
740 PM CDT MON JUN 20 2011
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
NORTH CENTRAL KANSAS
SOUTH CENTRAL NEBRASKA
EFFECTIVE THIS MONDAY NIGHT AND TUESDAY MORNING FROM 740 PM UNTIL
200 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 90 STATUTE
MILES EITHER SIDE OF A LINE FROM 30 MILES NORTHWEST OF KEARNEY
NEBRASKA TO 70 MILES SOUTH OF HASTINGS NEBRASKA. FOR A COMPLETE
DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE
(WOUS64 KWNS WOU7).
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 524...WW 525...WW 526...
DISCUSSION...TSTMS WITH THE POTENTIAL FOR A FEW TORNADOES AND LARGE
HAIL MAY PERSIST IN NE QUADRANT OF STRONG UPR VORT NOW NEAR HLC.
DEVELOPMENT MAY FOCUS ALONG STNRY BOUNDARY EXTENDING WSW/ENE ACROSS
S CNTRL NEB...BUT ALSO FARTHER E IN ZONE OF GREATER LOW LVL MOISTURE
AHEAD OF WEAK COLD FRONT IMMEDIATELY AHEAD OF THE VORT OVER N CNTRL
KS. STORM MOTION MAY BE ERRATIC GIVEN LARGE SPATIAL VARIATION OF
WIND FIELD NEAR VORT...AND GIVEN PRESENCE OF LOW LVL BOUNDARIES THAT
WILL FORCE PROPAGATION ALONG SAME.
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 20015.
...CORFIDI
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW7
WW 527 TORNADO KS NE 210040Z - 210700Z
AXIS..90 STATUTE MILES EITHER SIDE OF LINE..
30NW EAR/KEARNEY NE/ - 70S HSI/HASTINGS NE/
..AVIATION COORDS.. 80NM EITHER SIDE /52WSW OBH - 55NW SLN/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 20015.
LAT...LON 41729794 40299700 38869983 40310083
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU7.
Watch 527 Status Report Messages:
STATUS REPORT #2 ON WW 527
VALID 210235Z - 210340Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..KERR..06/21/11
ATTN...WFO...GLD...GID...LBF...
&&
STATUS REPORT FOR WT 527
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
KSC039-089-123-137-141-147-163-183-210340-
KS
. KANSAS COUNTIES INCLUDED ARE
DECATUR JEWELL MITCHELL
NORTON OSBORNE PHILLIPS
ROOKS SMITH
$$
NEC001-019-035-047-059-061-063-065-073-079-081-083-093-099-121-
125-129-137-143-145-163-169-181-185-210340-
NE
. NEBRASKA COUNTIES INCLUDED ARE
ADAMS BUFFALO CLAY
DAWSON FILLMORE FRANKLIN
FRONTIER FURNAS GOSPER
HALL HAMILTON HARLAN
HOWARD KEARNEY MERRICK
NANCE NUCKOLLS PHELPS
POLK RED WILLOW SHERMAN
THAYER WEBSTER YORK
$$
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.
$$
STATUS REPORT #1 ON WW 527
VALID 210135Z - 210240Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..KERR..06/21/11
ATTN...WFO...GLD...GID...LBF...
&&
STATUS REPORT FOR WT 527
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
KSC039-089-123-137-141-147-163-183-210240-
KS
. KANSAS COUNTIES INCLUDED ARE
DECATUR JEWELL MITCHELL
NORTON OSBORNE PHILLIPS
ROOKS SMITH
$$
NEC001-019-035-047-059-061-063-065-073-079-081-083-093-099-121-
125-129-137-143-145-163-169-181-185-210240-
NE
. NEBRASKA COUNTIES INCLUDED ARE
ADAMS BUFFALO CLAY
DAWSON FILLMORE FRANKLIN
FRONTIER FURNAS GOSPER
HALL HAMILTON HARLAN
HOWARD KEARNEY MERRICK
NANCE NUCKOLLS PHELPS
POLK RED WILLOW SHERMAN
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
|
Mod (50%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Low (20%)
|
Wind
Probability of 10 or more severe wind events
|
Low (20%)
|
Probability of 1 or more wind events > 65 knots
|
Low (10%)
|
Hail
Probability of 10 or more severe hail events
|
Mod (50%)
|
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.