Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL1
URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 481
NWS Storm Prediction Center Norman OK
315 PM CDT Tue Sep 1 2020
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
Central and eastern Arkansas
* Effective this Tuesday afternoon and evening from 315 PM until
700 PM CDT.
* Primary threats include...
A couple tornadoes possible
Isolated damaging wind gusts to 65 mph possible
SUMMARY...Long-lived supercell embedded within a cluster across
north-central Arkansas may continue east in northeast Arkansas,
while a supercell near/south of Little Rock may persist east across
east-central Arkansas.
The tornado watch area is approximately along and 65 statute miles
east and west of a line from 5 miles east of Pine Bluff AR to 15
miles northwest of Jonesboro AR. For a complete depiction of the
watch see the associated watch outline update (WOUS64 KWNS WOU1).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
&&
AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 1 inch. Extreme turbulence and surface wind
gusts to 55 knots. A few cumulonimbi with maximum tops to 550. Mean
storm motion vector 24030.
...Grams
SEL1
URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 481
NWS Storm Prediction Center Norman OK
315 PM CDT Tue Sep 1 2020
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
Central and eastern Arkansas
* Effective this Tuesday afternoon and evening from 315 PM until
700 PM CDT.
* Primary threats include...
A couple tornadoes possible
Isolated damaging wind gusts to 65 mph possible
SUMMARY...Long-lived supercell embedded within a cluster across
north-central Arkansas may continue east in northeast Arkansas,
while a supercell near/south of Little Rock may persist east across
east-central Arkansas.
The tornado watch area is approximately along and 65 statute miles
east and west of a line from 5 miles east of Pine Bluff AR to 15
miles northwest of Jonesboro AR. For a complete depiction of the
watch see the associated watch outline update (WOUS64 KWNS WOU1).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
&&
AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 1 inch. Extreme turbulence and surface wind
gusts to 55 knots. A few cumulonimbi with maximum tops to 550. Mean
storm motion vector 24030.
...Grams
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW1
WW 481 TORNADO AR 012015Z - 020000Z
AXIS..65 STATUTE MILES EAST AND WEST OF LINE..
5E PBF/PINE BLUFF AR/ - 15NW JBR/JONESBORO AR/
..AVIATION COORDS.. 55NM E/W /35SSE LIT - 9SE ARG/
HAIL SURFACE AND ALOFT..1 INCH. WIND GUSTS..55 KNOTS.
MAX TOPS TO 550. MEAN STORM MOTION VECTOR 24030.
LAT...LON 34169298 35989200 35988968 34169071
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU1.
Watch 481 Status Report Messages:
STATUS REPORT #1 ON WW 481
VALID 012250Z - 012340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM PBF TO 10
SSE ARG.
..SPC..09/01/20
ATTN...WFO...LZK...MEG...
&&
STATUS REPORT FOR WT 481
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ARC001-031-035-037-067-069-077-093-095-107-111-117-123-147-
012340-
AR
. ARKANSAS COUNTIES INCLUDED ARE
ARKANSAS CRAIGHEAD CRITTENDEN
CROSS JACKSON JEFFERSON
LEE MISSISSIPPI MONROE
PHILLIPS POINSETT PRAIRIE
ST. FRANCIS WOODRUFF
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Mod (40%)
|
Probability of 1 or more strong (EF2-EF5) tornadoes
|
Low (10%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (30%)
|
Probability of 1 or more wind events > 65 knots
|
Low (10%)
|
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 (40%)
|
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.