Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL4
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 334
NWS STORM PREDICTION CENTER NORMAN OK
605 PM CDT FRI JUN 5 2009
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
WEST CENTRAL NEBRASKA
EFFECTIVE THIS FRIDAY EVENING FROM 605 PM UNTIL 1100 PM CDT.
TORNADOES...HAIL TO 2.5 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 55 STATUTE
MILES EAST AND WEST OF A LINE FROM 35 MILES WEST NORTHWEST OF
VALENTINE NEBRASKA TO 20 MILES EAST OF IMPERIAL NEBRASKA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU4).
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 332...WW 333...
DISCUSSION...A CLUSTER OF SUPERCELL STORMS IS MOVING SLOWLY EASTWARD
OUT OF THE NEB PANHANDLE. THESE STORMS WILL ENCOUNTER STRENGTHENING
LOW LEVEL WARM ADVECTION AND SHEAR DURING THE NEXT FEW HOURS...WHICH
MAY AID IN NEW DEVELOPMENT FARTHER EAST AND MAINTAIN SUPERCELL
STRUCTURES. VERY LARGE HAIL AND ISOLATED TORNADOES WILL BE POSSIBLE
WITH THE STRONGEST CELLS.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 27025.
...HART
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW4
WW 334 TORNADO NE 052305Z - 060400Z
AXIS..55 STATUTE MILES EAST AND WEST OF LINE..
35WNW VTN/VALENTINE NE/ - 20E IML/IMPERIAL NE/
..AVIATION COORDS.. 50NM E/W /60WNW ANW - 35WNW MCK/
HAIL SURFACE AND ALOFT..2.5 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 27025.
LAT...LON 43040009 40500019 40500229 43040227
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU4.
Watch 334 Status Report Messages:
STATUS REPORT #4 ON WW 334
VALID 060335Z - 060440Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 35 SE AIA TO
10 E MHN TO 15 S ANW.
..BROYLES..06/06/09
ATTN...WFO...LBF...
&&
STATUS REPORT FOR WT 334
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NEC111-113-117-171-060440-
NE
. NEBRASKA COUNTIES INCLUDED ARE
LINCOLN LOGAN MCPHERSON
THOMAS
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #3 ON WW 334
VALID 060245Z - 060340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 SE AIA TO
5 N MHN TO 20 N ANW.
..BROYLES..06/06/09
ATTN...WFO...LBF...
&&
STATUS REPORT FOR WT 334
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NEC017-091-111-113-117-149-171-060340-
NE
. NEBRASKA COUNTIES INCLUDED ARE
BROWN HOOKER LINCOLN
LOGAN MCPHERSON ROCK
THOMAS
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 334
VALID 060135Z - 060240Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..BROYLES..06/06/09
ATTN...WFO...LBF...
&&
STATUS REPORT FOR WT 334
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NEC031-063-085-091-111-113-117-171-060240-
NE
. NEBRASKA COUNTIES INCLUDED ARE
CHERRY FRONTIER HAYES
HOOKER LINCOLN LOGAN
MCPHERSON THOMAS
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 334
VALID 060030Z - 060140Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..BROYLES..06/06/09
ATTN...WFO...LBF...
&&
STATUS REPORT FOR WT 334
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NEC031-063-085-091-111-113-117-171-060140-
NE
. NEBRASKA COUNTIES INCLUDED ARE
CHERRY FRONTIER HAYES
HOOKER LINCOLN LOGAN
MCPHERSON THOMAS
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Mod (40%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Low (20%)
|
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
|
High (70%)
|
Probability
of 1 or
more hailstones > 2 inches
|
Mod (50%)
|
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 
