Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL2
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 422
NWS STORM PREDICTION CENTER NORMAN OK
250 PM CDT MON JUN 15 2009
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
PARTS OF NORTHEAST ARKANSAS
SMALL PART OF SOUTHEAST MISSOURI
PARTS OF WESTERN AND MIDDLE TENNESSEE
EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 250 PM UNTIL 600
PM CDT.
TORNADOES...HAIL TO 2.5 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 45 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 20 MILES NORTHWEST OF WALNUT
RIDGE ARKANSAS TO 100 MILES EAST OF JACKSON TENNESSEE. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU2).
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 419...WW 420...WW 421...
DISCUSSION...INTENSE THUNDERSTORMS HAVE DEVELOP ALONG E/W BOUNDARY
ACROSS THE WATCH AREA. WITH MLCAPES AOA 3500 J/KG COMBINED WITH
30-40KT EFFECTIVE SHEAR...SUPERCELLS ALONG WITH POTENTIAL TORNADOES
ARE EXPECTED VICINITY BOUNDARY,
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
600. MEAN STORM MOTION VECTOR 29025.
...HALES
SEL2
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 422
NWS STORM PREDICTION CENTER NORMAN OK
250 PM CDT MON JUN 15 2009
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
PARTS OF NORTHEAST ARKANSAS
SMALL PART OF SOUTHEAST MISSOURI
PARTS OF WESTERN AND MIDDLE TENNESSEE
EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 250 PM UNTIL 600
PM CDT.
TORNADOES...HAIL TO 2.5 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 45 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 20 MILES NORTHWEST OF WALNUT
RIDGE ARKANSAS TO 100 MILES EAST OF JACKSON TENNESSEE. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU2).
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 419...WW 420...WW 421...
DISCUSSION...INTENSE THUNDERSTORMS HAVE DEVELOP ALONG E/W BOUNDARY
ACROSS THE WATCH AREA. WITH MLCAPES AOA 3500 J/KG COMBINED WITH
30-40KT EFFECTIVE SHEAR...SUPERCELLS ALONG WITH POTENTIAL TORNADOES
ARE EXPECTED VICINITY BOUNDARY,
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
600. MEAN STORM MOTION VECTOR 29025.
...HALES
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW2
WW 422 TORNADO AR MO TN 151950Z - 152300Z
AXIS..45 STATUTE MILES NORTH AND SOUTH OF LINE..
20NW ARG/WALNUT RIDGE AR/ - 100E MKL/JACKSON TN/
..AVIATION COORDS.. 40NM N/S /18NW ARG - 40SW BNA/
HAIL SURFACE AND ALOFT..2.5 INCHES. WIND GUSTS..70 KNOTS.
MAX TOPS TO 600. MEAN STORM MOTION VECTOR 29025.
LAT...LON 36999118 36248713 34938713 35689118
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU2.
Watch 422 Status Report Messages:
STATUS REPORT #2 ON WW 422
VALID 152125Z - 152240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 35 E UNO TO
40 NNW DYR TO 30 WSW BNA.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1139.
..GRAMS..06/15/09
ATTN...WFO...MEG...PAH...OHX...
&&
STATUS REPORT FOR WT 422
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ARC021-031-055-075-093-111-121-152240-
AR
. ARKANSAS COUNTIES INCLUDED ARE
CLAY CRAIGHEAD GREENE
LAWRENCE MISSISSIPPI POINSETT
RANDOLPH
$$
MOC069-155-152240-
MO
. MISSOURI COUNTIES INCLUDED ARE
DUNKLIN PEMISCOT
$$
TNC005-017-023-033-039-045-053-069-071-075-077-081-085-095-097-
099-101-109-113-131-135-167-181-183-152240-
TN
. TENNESSEE COUNTIES INCLUDED ARE
BENTON CARROLL CHESTER
CROCKETT DECATUR DYER
GIBSON HARDEMAN HARDIN
HAYWOOD HENDERSON HICKMAN
HUMPHREYS LAKE LAUDERDALE
LAWRENCE LEWIS MCNAIRY
MADISON OBION PERRY
TIPTON WAYNE WEAKLEY
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 422
VALID 152055Z - 152140Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..SPC..06/15/09
ATTN...WFO...MEG...PAH...OHX...
&&
STATUS REPORT FOR WT 422
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ARC021-031-055-075-093-111-121-152140-
AR
. ARKANSAS COUNTIES INCLUDED ARE
CLAY CRAIGHEAD GREENE
LAWRENCE MISSISSIPPI POINSETT
RANDOLPH
$$
MOC023-069-143-155-181-152140-
MO
. MISSOURI COUNTIES INCLUDED ARE
BUTLER DUNKLIN NEW MADRID
PEMISCOT RIPLEY
$$
TNC005-017-023-033-039-043-045-053-069-071-075-077-079-081-083-
085-095-097-099-101-109-113-131-135-167-181-183-152140-
TN
. TENNESSEE COUNTIES INCLUDED ARE
BENTON CARROLL CHESTER
CROCKETT DECATUR DICKSON
DYER GIBSON HARDEMAN
HARDIN HAYWOOD HENDERSON
HENRY HICKMAN HOUSTON
HUMPHREYS LAKE LAUDERDALE
LAWRENCE LEWIS MCNAIRY
MADISON OBION PERRY
TIPTON WAYNE WEAKLEY
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
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
|
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 
