Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL0
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 550
NWS Storm Prediction Center Norman OK
855 PM CST Sun Dec 5 2021
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Northern and central Arkansas
Southern Missouri
Eastern Oklahoma
Northwest Tennessee
* Effective this Sunday night and Monday morning from 855 PM
until 400 AM CST.
* Primary threats include...
Scattered damaging wind gusts to 70 mph possible
Isolated large hail events to 1.5 inches in diameter possible
A tornado or two possible
SUMMARY...Storms will continue to develop and intensify along and
ahead of a cold front tonight, with a severe storm risk expected to
continue through much of the overnight.
The severe thunderstorm watch area is approximately along and 65
statute miles north and south of a line from 40 miles west northwest
of Fort Smith AR to 50 miles northeast of Dyersburg TN. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU0).
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
1.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
26035.
...Guyer
SEL0
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 550
NWS Storm Prediction Center Norman OK
855 PM CST Sun Dec 5 2021
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Northern and central Arkansas
Southern Missouri
Eastern Oklahoma
Northwest Tennessee
* Effective this Sunday night and Monday morning from 855 PM
until 400 AM CST.
* Primary threats include...
Scattered damaging wind gusts to 70 mph possible
Isolated large hail events to 1.5 inches in diameter possible
A tornado or two possible
SUMMARY...Storms will continue to develop and intensify along and
ahead of a cold front tonight, with a severe storm risk expected to
continue through much of the overnight.
The severe thunderstorm watch area is approximately along and 65
statute miles north and south of a line from 40 miles west northwest
of Fort Smith AR to 50 miles northeast of Dyersburg TN. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU0).
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
1.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
26035.
...Guyer
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW0
WW 550 SEVERE TSTM AR MO OK TN 060255Z - 061000Z
AXIS..65 STATUTE MILES NORTH AND SOUTH OF LINE..
40WNW FSM/FORT SMITH AR/ - 50NE DYR/DYERSBURG TN/
..AVIATION COORDS.. 55NM N/S /38WNW FSM - 40NE DYR/
HAIL SURFACE AND ALOFT..1.5 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 26035.
LAT...LON 36499503 37458876 35578876 34619503
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU0.
Watch 550 Status Report Messages:
STATUS REPORT #5 ON WW 550
VALID 060750Z - 060840Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 SE RKR TO
15 NNE RUE TO 35 NE RUE TO 15 WNW ARG TO 20 NNE ARG TO 35 S PAH.
..GOSS..12/06/21
ATTN...WFO...LZK...TSA...MEG...SGF...OHX...
&&
STATUS REPORT FOR WS 550
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ARC021-023-029-031-037-045-051-055-063-067-075-083-085-093-097-
105-111-113-115-117-119-121-125-127-135-137-141-145-147-149-
060840-
AR
. ARKANSAS COUNTIES INCLUDED ARE
CLAY CLEBURNE CONWAY
CRAIGHEAD CROSS FAULKNER
GARLAND GREENE INDEPENDENCE
JACKSON LAWRENCE LOGAN
LONOKE MISSISSIPPI MONTGOMERY
PERRY POINSETT POLK
POPE PRAIRIE PULASKI
RANDOLPH SALINE SCOTT
SHARP STONE VAN BUREN
WHITE WOODRUFF YELL
$$
MOC069-155-060840-
MO
. MISSOURI COUNTIES INCLUDED ARE
DUNKLIN PEMISCOT
$$
TNC045-079-095-125-131-161-183-060840-
TN
. TENNESSEE COUNTIES INCLUDED ARE
DYER HENRY LAKE
MONTGOMERY OBION STEWART
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 #4 ON WW 550
VALID 060640Z - 060740Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 W RKR TO
15 ENE FSM TO 35 ESE FYV TO 35 E UNO TO 20 NNW ARG TO 35 S PAH.
..GOSS..12/06/21
ATTN...WFO...LZK...TSA...MEG...SGF...OHX...
&&
STATUS REPORT FOR WS 550
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ARC005-021-023-029-031-037-045-047-049-051-055-063-065-067-071-
075-083-085-089-093-097-101-105-111-113-115-117-119-121-125-127-
129-131-135-137-141-145-147-149-060740-
AR
. ARKANSAS COUNTIES INCLUDED ARE
BAXTER CLAY CLEBURNE
CONWAY CRAIGHEAD CROSS
FAULKNER FRANKLIN FULTON
GARLAND GREENE INDEPENDENCE
IZARD JACKSON JOHNSON
LAWRENCE LOGAN LONOKE
MARION MISSISSIPPI MONTGOMERY
NEWTON PERRY POINSETT
POLK POPE PRAIRIE
PULASKI RANDOLPH SALINE
SCOTT SEARCY SEBASTIAN
SHARP STONE VAN BUREN
WHITE WOODRUFF YELL
$$
MOC069-149-155-060740-
MO
. MISSOURI COUNTIES INCLUDED ARE
DUNKLIN OREGON PEMISCOT
$$
OKC061-079-060740-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
HASKELL LE FLORE
$$
TNC045-079-095-125-131-161-183-060740-
TN
. TENNESSEE COUNTIES INCLUDED ARE
DYER HENRY LAKE
MONTGOMERY OBION STEWART
WEAKLEY
$$
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.
$$
STATUS REPORT #3 ON WW 550
VALID 060545Z - 060640Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 15 SE MKO TO
15 WNW HRO TO 35 WNW UNO.
..BROYLES..12/06/21
ATTN...WFO...LZK...TSA...MEG...SGF...OHX...
&&
STATUS REPORT FOR WS 550
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ARC005-009-021-023-029-031-033-037-045-047-049-051-055-063-065-
067-071-075-083-085-087-089-093-097-101-105-111-113-115-117-119-
121-125-127-129-131-135-137-141-145-147-149-060640-
AR
. ARKANSAS COUNTIES INCLUDED ARE
BAXTER BOONE CLAY
CLEBURNE CONWAY CRAIGHEAD
CRAWFORD CROSS FAULKNER
FRANKLIN FULTON GARLAND
GREENE INDEPENDENCE IZARD
JACKSON JOHNSON LAWRENCE
LOGAN LONOKE MADISON
MARION MISSISSIPPI MONTGOMERY
NEWTON PERRY POINSETT
POLK POPE PRAIRIE
PULASKI RANDOLPH SALINE
SCOTT SEARCY SEBASTIAN
SHARP STONE VAN BUREN
WHITE WOODRUFF YELL
$$
MOC069-091-149-153-155-203-060640-
MO
. MISSOURI COUNTIES INCLUDED ARE
DUNKLIN HOWELL OREGON
OZARK PEMISCOT SHANNON
$$
OKC061-079-135-060640-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
HASKELL LE FLORE SEQUOYAH
$$
TNC045-079-095-125-131-161-183-060640-
TN
. TENNESSEE COUNTIES INCLUDED ARE
DYER HENRY LAKE
MONTGOMERY OBION STEWART
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 #2 ON WW 550
VALID 060445Z - 060540Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 NNE MKO
TO 10 ESE UMN.
..BROYLES..12/06/21
ATTN...WFO...LZK...TSA...MEG...SGF...OHX...
&&
STATUS REPORT FOR WS 550
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ARC005-007-009-015-021-023-029-031-033-037-045-047-049-051-055-
063-065-067-071-075-083-085-087-089-093-097-101-105-111-113-115-
117-119-121-125-127-129-131-135-137-141-143-145-147-149-
060540-
AR
. ARKANSAS COUNTIES INCLUDED ARE
BAXTER BENTON BOONE
CARROLL CLAY CLEBURNE
CONWAY CRAIGHEAD CRAWFORD
CROSS FAULKNER FRANKLIN
FULTON GARLAND GREENE
INDEPENDENCE IZARD JACKSON
JOHNSON LAWRENCE LOGAN
LONOKE MADISON MARION
MISSISSIPPI MONTGOMERY NEWTON
PERRY POINSETT POLK
POPE PRAIRIE PULASKI
RANDOLPH SALINE SCOTT
SEARCY SEBASTIAN SHARP
STONE VAN BUREN WASHINGTON
WHITE WOODRUFF YELL
$$
MOC009-043-067-069-091-149-153-155-203-209-213-060540-
MO
. MISSOURI COUNTIES INCLUDED ARE
BARRY CHRISTIAN DOUGLAS
DUNKLIN HOWELL OREGON
OZARK PEMISCOT SHANNON
STONE TANEY
$$
OKC001-021-061-079-101-135-060540-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
ADAIR CHEROKEE HASKELL
LE FLORE MUSKOGEE SEQUOYAH
$$
TNC045-079-095-125-131-161-183-060540-
TN
. TENNESSEE COUNTIES INCLUDED ARE
DYER HENRY LAKE
MONTGOMERY OBION STEWART
WEAKLEY
$$
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.
$$
STATUS REPORT #1 ON WW 550
VALID 060335Z - 060440Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..BROYLES..12/06/21
ATTN...WFO...LZK...TSA...MEG...SGF...OHX...
&&
STATUS REPORT FOR WS 550
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ARC005-007-009-015-021-023-029-031-033-037-045-047-049-051-055-
063-065-067-071-075-083-085-087-089-093-097-101-105-111-113-115-
117-119-121-125-127-129-131-135-137-141-143-145-147-149-
060440-
AR
. ARKANSAS COUNTIES INCLUDED ARE
BAXTER BENTON BOONE
CARROLL CLAY CLEBURNE
CONWAY CRAIGHEAD CRAWFORD
CROSS FAULKNER FRANKLIN
FULTON GARLAND GREENE
INDEPENDENCE IZARD JACKSON
JOHNSON LAWRENCE LOGAN
LONOKE MADISON MARION
MISSISSIPPI MONTGOMERY NEWTON
PERRY POINSETT POLK
POPE PRAIRIE PULASKI
RANDOLPH SALINE SCOTT
SEARCY SEBASTIAN SHARP
STONE VAN BUREN WASHINGTON
WHITE WOODRUFF YELL
$$
MOC009-043-067-069-091-119-149-153-155-203-209-213-060440-
MO
. MISSOURI COUNTIES INCLUDED ARE
BARRY CHRISTIAN DOUGLAS
DUNKLIN HOWELL MCDONALD
OREGON OZARK PEMISCOT
SHANNON STONE TANEY
$$
OKC001-021-041-061-079-097-101-135-145-060440-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
ADAIR CHEROKEE DELAWARE
HASKELL LE FLORE MAYES
MUSKOGEE SEQUOYAH WAGONER
$$
TNC045-079-095-125-131-161-183-060440-
TN
. TENNESSEE COUNTIES INCLUDED ARE
DYER HENRY LAKE
MONTGOMERY OBION STEWART
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
|
Low (20%)
|
Probability of 1 or more strong (EF2-EF5) tornadoes
|
Low (10%)
|
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 (30%)
|
Probability of 1 or more hailstones > 2 inches
|
Low (10%)
|
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
|
High (80%)
|
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% (EF2-EF5 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.