Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL3
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 563
NWS STORM PREDICTION CENTER NORMAN OK
805 PM CDT SUN JUN 26 2011
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
EXTREME SOUTHEASTERN NEBRASKA
EFFECTIVE THIS SUNDAY NIGHT FROM 805 PM UNTIL MIDNIGHT CDT.
TORNADOES...HAIL TO 3 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 20 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 30 MILES WEST OF BEATRICE
NEBRASKA TO 50 MILES EAST OF BEATRICE NEBRASKA. 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 555...WW 556...WW
559...WW 560...WW 561...WW 562...
DISCUSSION...SUPERCELLS DEVELOPING ON TAIL END OF MCS WILL HAVE THE
POTENTIAL TO PRODUCE ISOLATED TORNADOES...LARGE HAIL AND DAMAGING
WIND OVER SERN NEB THIS EVENING.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 29035.
...DIAL
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW3
WW 563 TORNADO NE 270105Z - 270500Z
AXIS..20 STATUTE MILES NORTH AND SOUTH OF LINE..
30W BIE/BEATRICE NE/ - 50E BIE/BEATRICE NE/
..AVIATION COORDS.. 15NM N/S /51W PWE - 19ENE PWE/
HAIL SURFACE AND ALOFT..3 INCHES. WIND GUSTS..70 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 29035.
LAT...LON 40589731 40589580 40009580 40009731
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU3.
Watch 563 Status Report Messages:
STATUS REPORT #1 ON WW 563
VALID 270345Z - 270440Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 SSW BIE
TO 25 WSW SDA.
..DIAL..06/27/11
ATTN...WFO...OAX...
&&
STATUS REPORT FOR WT 563
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NEC067-097-127-133-147-270440-
NE
. NEBRASKA COUNTIES INCLUDED ARE
GAGE JOHNSON NEMAHA
PAWNEE RICHARDSON
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Mod (50%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Mod (30%)
|
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 (40%)
|
Probability
of 1 or
more hailstones > 2 inches
|
Mod (30%)
|
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.
weather.gov 
@NWSSPC
