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.
SEL9
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 229
NWS STORM PREDICTION CENTER NORMAN OK
825 AM EDT WED APR 27 2011
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
EASTERN KENTUCKY
EXTREME SOUTHWESTERN NORTH CAROLINA
EASTERN TENNESSEE
EXTREME SOUTHWESTERN VIRGINIA
EFFECTIVE THIS WEDNESDAY MORNING AND AFTERNOON FROM 825 AM UNTIL
200 PM EDT.
TORNADOES...HAIL TO 1 INCH 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 50 MILES NORTH NORTHEAST OF
JACKSON KENTUCKY TO 65 MILES SOUTH SOUTHEAST OF CROSSVILLE
TENNESSEE. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU9).
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 225...WW 226...WW
227...WW 228...
DISCUSSION...LINE OF STORMS WILL CONTINUE EWD THROUGH ERN KY AND ERN
TN EARLY THIS MORNING. INSTABILITY IS MARGINAL...BUT STORMS ARE
WITHIN AN ENVIRONMENT CHARACTERIZED BY STRONG SHEAR PROFILES WITH
LARGE HODOGRAPHS SUPPORTIVE OF EMBEDDED MESOCYCLONES AND LEWP
STRUCTURES. DAMAGING WIND AND ISOLATED TORNADOES WILL REMAIN
POSSIBLE WITH THIS ACTIVITY NEXT FEW HOURS.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500.
MEAN STORM MOTION VECTOR 26040.
...DIAL
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW9
WW 229 TORNADO KY NC TN VA 271225Z - 271800Z
AXIS..55 STATUTE MILES EAST AND WEST OF LINE..
50NNE JKL/JACKSON KY/ - 65SSE CSV/CROSSVILLE TN/
..AVIATION COORDS.. 50NM E/W /57SW HNN - 26ENE GQO/
HAIL SURFACE AND ALOFT..1 INCH. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 26040.
LAT...LON 38208201 35088366 35088561 38208404
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU9.
Watch 229 Status Report Messages:
STATUS REPORT #3 ON WW 229
VALID 271540Z - 271640Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 45 NNE CSV
TO 45 SE LOZ TO 35 NNW TRI.
..SMITH..04/27/11
ATTN...WFO...JKL...MRX...
&&
STATUS REPORT FOR WT 229
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TNC001-013-025-057-067-093-129-151-173-271640-
TN
. TENNESSEE COUNTIES INCLUDED ARE
ANDERSON CAMPBELL CLAIBORNE
GRAINGER HANCOCK KNOX
MORGAN SCOTT UNION
$$
VAC105-271640-
VA
. VIRGINIA COUNTIES INCLUDED ARE
LEE
$$
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.
$$
STATUS REPORT #2 ON WW 229
VALID 271440Z - 271540Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 50 SW LOZ TO
10 S LOZ TO 50 NNW JKL.
..SMITH..04/27/11
ATTN...WFO...JKL...MRX...
&&
STATUS REPORT FOR WT 229
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
KYC011-013-025-051-063-069-095-109-121-129-131-153-165-175-189-
193-197-205-235-237-271540-
KY
. KENTUCKY COUNTIES INCLUDED ARE
BATH BELL BREATHITT
CLAY ELLIOTT FLEMING
HARLAN JACKSON KNOX
LEE LESLIE MAGOFFIN
MENIFEE MORGAN OWSLEY
PERRY POWELL ROWAN
WHITLEY WOLFE
$$
NCC039-043-271540-
NC
. NORTH CAROLINA COUNTIES INCLUDED ARE
CHEROKEE CLAY
$$
TNC001-009-011-013-025-057-065-067-093-105-107-121-123-129-139-
143-145-151-173-271540-
TN
. TENNESSEE COUNTIES INCLUDED ARE
ANDERSON BLOUNT BRADLEY
CAMPBELL CLAIBORNE GRAINGER
HAMILTON HANCOCK KNOX
LOUDON MCMINN MEIGS
MONROE MORGAN POLK
RHEA ROANE SCOTT
UNION
$$
VAC105-271540-
VA
. VIRGINIA COUNTIES INCLUDED ARE
LEE
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 229
VALID 271355Z - 271440Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 45 NNE CSV
TO 20 W LOZ TO 30 NW LOZ.
..SMITH..04/27/11
ATTN...WFO...JKL...MRX...
&&
STATUS REPORT FOR WT 229
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
KYC011-013-025-051-063-065-069-095-109-121-125-129-131-147-153-
165-173-175-189-193-197-203-205-235-237-271440-
KY
. KENTUCKY COUNTIES INCLUDED ARE
BATH BELL BREATHITT
CLAY ELLIOTT ESTILL
FLEMING HARLAN JACKSON
KNOX LAUREL LEE
LESLIE MCCREARY MAGOFFIN
MENIFEE MONTGOMERY MORGAN
OWSLEY PERRY POWELL
ROCKCASTLE ROWAN WHITLEY
WOLFE
$$
NCC039-043-271440-
NC
. NORTH CAROLINA COUNTIES INCLUDED ARE
CHEROKEE CLAY
$$
TNC001-009-011-013-025-057-065-067-093-105-107-121-123-129-139-
143-145-151-173-271440-
TN
. TENNESSEE COUNTIES INCLUDED ARE
ANDERSON BLOUNT BRADLEY
CAMPBELL CLAIBORNE GRAINGER
HAMILTON HANCOCK KNOX
LOUDON MCMINN MEIGS
MONROE MORGAN POLK
RHEA ROANE SCOTT
UNION
$$
VAC105-271440-
VA
. VIRGINIA COUNTIES INCLUDED ARE
LEE
$$
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 (30%)
|
Probability of 1 or more wind events > 65 knots
|
Mod (30%)
|
Hail
Probability of 10 or more severe hail events
|
Low (10%)
|
Probability
of 1 or
more hailstones > 2 inches
|
Low (<5%)
|
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
|
Mod (60%)
|
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 
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