Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL3
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 83
NWS STORM PREDICTION CENTER NORMAN OK
540 PM CDT SUN APR 19 2015
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* TORNADO WATCH FOR PORTIONS OF
CENTRAL AND EASTERN ARKANSAS
NORTHERN AND CENTRAL LOUISIANA
EAST TEXAS
* EFFECTIVE THIS SUNDAY AFTERNOON AND MONDAY MORNING FROM 540 PM
UNTIL 100 AM CDT.
* PRIMARY THREATS INCLUDE...
A FEW TORNADOES POSSIBLE
SCATTERED DAMAGING WINDS LIKELY WITH ISOLATED SIGNIFICANT GUSTS
TO 80 MPH POSSIBLE
SCATTERED LARGE HAIL LIKELY WITH ISOLATED VERY LARGE HAIL EVENTS
TO 2.5 INCHES IN DIAMETER POSSIBLE
SUMMARY...SCATTERED SUPERCELLS EXPECTED TO SPREAD EAST ACROSS WATCH
AREA THROUGH LATE TONIGHT...WITH SOME TENDENCY TO MERGE INTO BROKEN
LINES/SMALL CLUSTERS OF STORMS. THESE MAY PRODUCE A FEW TORNADOES
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 70 STATUTE
MILES EAST AND WEST OF A LINE FROM 75 MILES NORTH NORTHEAST OF
LITTLE ROCK ARKANSAS TO 20 MILES SOUTH SOUTHEAST OF NATCHITOCHES
LOUISIANA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU3).
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.
&&
OTHER WATCH INFORMATION...CONTINUE...WW 79...WW 80...WW 81...WW
82...
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
500. MEAN STORM MOTION VECTOR 27035.
...CORFIDI
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW3
WW 83 TORNADO AR LA TX 192240Z - 200600Z
AXIS..70 STATUTE MILES EAST AND WEST OF LINE..
75NNE LIT/LITTLE ROCK AR/ - 20SSE IER/NATCHITOCHES LA/
..AVIATION COORDS.. 60NM E/W /44WSW ARG - 27WNW AEX/
HAIL SURFACE AND ALOFT..2.5 INCHES. WIND GUSTS..70 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 27035.
LAT...LON 35729047 31469177 31469416 35729297
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU3.
Watch 83 Status Report Message has not been issued yet.
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Mod (50%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Low (20%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (60%)
|
Probability of 1 or more wind events > 65 knots
|
Mod (30%)
|
Hail
Probability of 10 or more severe hail events
|
Mod (60%)
|
Probability of 1 or more hailstones > 2 inches
|
Mod (50%)
|
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
|
High (>95%)
|
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 
@NWSSPC
