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 383
NWS STORM PREDICTION CENTER NORMAN OK
920 PM EDT THU JUN 11 2009
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
SOUTHEAST KENTUCKY
MIDDLE AND EASTERN TENNESSEE
EFFECTIVE THIS THURSDAY NIGHT AND FRIDAY MORNING FROM 920 PM
UNTIL 100 AM EDT.
TORNADOES...HAIL TO 1.5 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 120 STATUTE
MILES EAST AND WEST OF A LINE FROM 75 MILES NORTH NORTHWEST OF
CROSSVILLE TENNESSEE TO 60 MILES SOUTHWEST OF CROSSVILLE
TENNESSEE. 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 378...WW 380...WW
381...WW 382...
DISCUSSION...WSW-ENE BAND OF STORMS IN SRN KY...INCLUDING EMBEDDED
SUPERCELLS...EXPECTED TO CONTINUE GENERALLY ESE INTO TN THROUGH LATE
EVE. STORMS WILL ENCOUNTER INCREASING DEEP WLY SHEAR RELATIVE TO
WHAT EXISTED DURING THEIR DEVELOPMENT IN NRN KY/SE IL. COUPLED WITH
VERY MOIST LOW LVL ENVIRONMENT...SETUP SUGGESTS A CONTINUED
POTENTIAL FOR EMBEDDED LEWP/BOW STRUCTURES WITH SVR WIND/HAIL AND
POSSIBLY ISOLD TORNADOES...DESPITE LOSS OF SFC HEATING.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 28035.
...CORFIDI
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW3
WW 383 TORNADO KY TN 120120Z - 120500Z
AXIS..120 STATUTE MILES EAST AND WEST OF LINE..
75NNW CSV/CROSSVILLE TN/ - 60SW CSV/CROSSVILLE TN/
..AVIATION COORDS.. 105NM E/W /40E BWG - 40NW GQO/
HAIL SURFACE AND ALOFT..1.5 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 28035.
LAT...LON 36938343 35318369 35318795 36938776
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU3.
Watch 383 Status Report Messages:
STATUS REPORT #2 ON WW 383
VALID 120425Z - 120540Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 SW CKV TO
40 NW CSV TO 50 SE LOZ.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1068
CURRENT THINKING IS THAT WW 383 WILL BE ALLOWED TO EXPIRE
AS SCHEDULED AT 05Z...BUT CONVECTIVE TRENDS WILL CONTINUE
TO BE MONITORED FOR POSSIBLE EXTENSION OR REISSUANCE.
..GUYER..06/12/09
ATTN...WFO...JKL...MRX...OHX...
&&
STATUS REPORT FOR WT 383
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TNC001-003-005-007-009-013-015-021-031-035-037-041-043-049-061-
081-083-085-087-093-105-107-117-119-121-123-129-133-141-143-145-
149-151-153-155-159-173-175-177-185-187-189-120540-
TN
. TENNESSEE COUNTIES INCLUDED ARE
ANDERSON BEDFORD BENTON
BLEDSOE BLOUNT CAMPBELL
CANNON CHEATHAM COFFEE
CUMBERLAND DAVIDSON DEKALB
DICKSON FENTRESS GRUNDY
HICKMAN HOUSTON HUMPHREYS
JACKSON KNOX LOUDON
MCMINN MARSHALL MAURY
MEIGS MONROE MORGAN
OVERTON PUTNAM RHEA
ROANE RUTHERFORD SCOTT
SEQUATCHIE SEVIER SMITH
UNION VAN BUREN WARREN
WHITE WILLIAMSON WILSON
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 383
VALID 120230Z - 120340Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..GUYER..06/12/09
ATTN...WFO...JKL...MRX...OHX...
&&
STATUS REPORT FOR WT 383
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
KYC013-121-125-147-199-231-235-120340-
KY
. KENTUCKY COUNTIES INCLUDED ARE
BELL KNOX LAUREL
MCCREARY PULASKI WAYNE
WHITLEY
$$
TNC001-003-005-007-009-013-015-021-027-031-035-037-041-043-049-
061-081-083-085-087-093-105-107-111-117-119-121-123-125-129-133-
137-141-143-145-147-149-151-153-155-159-161-165-169-173-175-177-
185-187-189-120340-
TN
. TENNESSEE COUNTIES INCLUDED ARE
ANDERSON BEDFORD BENTON
BLEDSOE BLOUNT CAMPBELL
CANNON CHEATHAM CLAY
COFFEE CUMBERLAND DAVIDSON
DEKALB DICKSON FENTRESS
GRUNDY HICKMAN HOUSTON
HUMPHREYS JACKSON KNOX
LOUDON MCMINN MACON
MARSHALL MAURY MEIGS
MONROE MONTGOMERY MORGAN
OVERTON PICKETT PUTNAM
RHEA ROANE ROBERTSON
RUTHERFORD SCOTT SEQUATCHIE
SEVIER SMITH STEWART
SUMNER TROUSDALE UNION
VAN BUREN WARREN WHITE
WILLIAMSON WILSON
$$
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 (30%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Low (20%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (50%)
|
Probability of 1 or more wind events > 65 knots
|
Low (20%)
|
Hail
Probability of 10 or more severe hail events
|
Mod (40%)
|
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 (90%)
|
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 
