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
Severe Thunderstorm Watch Number 204
NWS Storm Prediction Center Norman OK
1110 AM CDT Sat Jun 23 2018
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Northeast Alabama
Northwest Georgia
Southern middle and southeast Tennessee
* Effective this Saturday morning and afternoon from 1110 AM
until 300 PM CDT.
* Primary threats include...
Scattered damaging wind gusts to 70 mph possible
SUMMARY...An organized storm cluster has been persistent this
morning moving along the Alabama-Tennessee border, and may persist
into the afternoon. A few damaging outflow gusts will be the main
threat for the next few hours.
The severe thunderstorm watch area is approximately along and 45
statute miles north and south of a line from 40 miles northwest of
Huntsville AL to 20 miles east northeast of Chattanooga TN. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU4).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A Severe Thunderstorm Watch means conditions are
favorable for 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. Severe thunderstorms can and occasionally do produce
tornadoes.
&&
AVIATION...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 450. Mean storm motion vector
26045.
...Thompson
SEL4
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 204
NWS Storm Prediction Center Norman OK
1110 AM CDT Sat Jun 23 2018
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Northeast Alabama
Northwest Georgia
Southern middle and southeast Tennessee
* Effective this Saturday morning and afternoon from 1110 AM
until 300 PM CDT.
* Primary threats include...
Scattered damaging wind gusts to 70 mph possible
SUMMARY...An organized storm cluster has been persistent this
morning moving along the Alabama-Tennessee border, and may persist
into the afternoon. A few damaging outflow gusts will be the main
threat for the next few hours.
The severe thunderstorm watch area is approximately along and 45
statute miles north and south of a line from 40 miles northwest of
Huntsville AL to 20 miles east northeast of Chattanooga TN. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU4).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A Severe Thunderstorm Watch means conditions are
favorable for 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. Severe thunderstorms can and occasionally do produce
tornadoes.
&&
AVIATION...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 450. Mean storm motion vector
26045.
...Thompson
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW4
WW 204 SEVERE TSTM AL GA TN 231610Z - 232000Z
AXIS..45 STATUTE MILES NORTH AND SOUTH OF LINE..
40NW HSV/HUNTSVILLE AL/ - 20ENE CHA/CHATTANOOGA TN/
..AVIATION COORDS.. 40NM N/S /24NNE MSL - 17NE GQO/
HAIL SURFACE AND ALOFT..1 INCH. WIND GUSTS..60 KNOTS.
MAX TOPS TO 450. MEAN STORM MOTION VECTOR 26045.
LAT...LON 35708727 35798487 34498487 34408727
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU4.
Watch 204 Status Report Messages:
STATUS REPORT #5 ON WW 204
VALID 231900Z - 232000Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 NE CHA TO
20 SW CSV.
WW 204 WILL BE ALLOWED TO EXPIRE AT 232000Z.
..SMITH..06/23/18
ATTN...WFO...HUN...FFC...OHX...MRX...
&&
STATUS REPORT FOR WS 204
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TNC007-107-121-139-143-232000-
TN
. TENNESSEE COUNTIES INCLUDED ARE
BLEDSOE MCMINN MEIGS
POLK RHEA
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #4 ON WW 204
VALID 231825Z - 231940Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 15 NE RMG TO
35 WSW CSV.
..SMITH..06/23/18
ATTN...WFO...HUN...FFC...OHX...MRX...
&&
STATUS REPORT FOR WS 204
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
GAC047-129-213-313-231940-
GA
. GEORGIA COUNTIES INCLUDED ARE
CATOOSA GORDON MURRAY
WHITFIELD
$$
TNC007-011-065-107-121-139-143-153-231940-
TN
. TENNESSEE COUNTIES INCLUDED ARE
BLEDSOE BRADLEY HAMILTON
MCMINN MEIGS POLK
RHEA SEQUATCHIE
$$
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.
$$
STATUS REPORT #3 ON WW 204
VALID 231820Z - 231940Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 NE RMG TO
35 WSW CSV.
..SMITH..06/23/18
ATTN...WFO...HUN...FFC...OHX...MRX...
&&
STATUS REPORT FOR WS 204
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
GAC015-047-129-213-313-231940-
GA
. GEORGIA COUNTIES INCLUDED ARE
BARTOW CATOOSA GORDON
MURRAY WHITFIELD
$$
TNC007-011-065-107-115-121-139-143-153-175-231940-
TN
. TENNESSEE COUNTIES INCLUDED ARE
BLEDSOE BRADLEY HAMILTON
MCMINN MARION MEIGS
POLK RHEA SEQUATCHIE
VAN BUREN
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 204
VALID 231755Z - 231840Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 15 NW RMG TO
40 WSW CSV.
..SMITH..06/23/18
ATTN...WFO...HUN...FFC...OHX...MRX...
&&
STATUS REPORT FOR WS 204
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
GAC015-047-055-083-115-129-213-295-313-231840-
GA
. GEORGIA COUNTIES INCLUDED ARE
BARTOW CATOOSA CHATTOOGA
DADE FLOYD GORDON
MURRAY WALKER WHITFIELD
$$
TNC007-011-061-065-107-115-121-139-143-153-175-177-231840-
TN
. TENNESSEE COUNTIES INCLUDED ARE
BLEDSOE BRADLEY GRUNDY
HAMILTON MCMINN MARION
MEIGS POLK RHEA
SEQUATCHIE VAN BUREN WARREN
$$
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.
$$
STATUS REPORT #1 ON WW 204
VALID 231720Z - 231840Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 35 NNE GAD
TO 30 SSE BNA.
..SMITH..06/23/18
ATTN...WFO...HUN...FFC...OHX...MRX...
&&
STATUS REPORT FOR WS 204
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC049-071-231840-
AL
. ALABAMA COUNTIES INCLUDED ARE
DEKALB JACKSON
$$
GAC015-047-055-083-115-129-213-295-313-231840-
GA
. GEORGIA COUNTIES INCLUDED ARE
BARTOW CATOOSA CHATTOOGA
DADE FLOYD GORDON
MURRAY WALKER WHITFIELD
$$
TNC003-007-011-031-051-061-065-107-115-121-127-139-143-153-175-
177-231840-
TN
. TENNESSEE COUNTIES INCLUDED ARE
BEDFORD BLEDSOE BRADLEY
COFFEE FRANKLIN GRUNDY
HAMILTON MCMINN MARION
MEIGS MOORE POLK
RHEA SEQUATCHIE VAN BUREN
WARREN
$$
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
|
Low (<5%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Low (<2%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (40%)
|
Probability of 1 or more wind events > 65 knots
|
Low (20%)
|
Hail
Probability of 10 or more severe hail events
|
Low (<5%)
|
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 (50%)
|
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.