854
FXUS64 KLZK 291700 AAA
AFDLZK
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE LITTLE ROCK AR
1200 PM CDT THU JUL 29 2021
UPDATE
UPDATED TO INCLUDE THE 18Z AVIATION DISCUSSION BELOW.
AVIATION
HIGH PRESSURE IS CENTERED OVER THE FORECAST AREA KEEPING SKIES
CLEAR AND WINDS LIGHT AND VARIABLE. VFR CONDITIONS WILL PREVAIL
ACROSS THE REGION FOR THE DURATION OF THE FORECAST PERIOD.
PREV DISCUSSION
(ISSUED 640 AM CDT THU JUL 29 2021)
AVIATION...29/12Z TAF CYCLE
VFR CONDS WL CONT TO PREVAIL THRU THE PD. SFC WINDS WL BE LIGHT
AND VARIABLE. /44/
PREV DISCUSSION...(ISSUED 335 AM CDT THU JUL 29 2021)
SHORT TERM...TODAY THROUGH FRIDAY NIGHT
NOT MUCH TO ADD TO THE FCST THIS MRNG OTHER TO SAY WE WL SEE A
TYPICAL SUMMERTIME WX PATTERN ACRS AR FOR LATE JULY. HOT AND HUMID
CONDS WL PREVAIL AS HIGH PRES, BOTH AT THE SFC AND ALOFT, CONTS TO
BLD INTO THE REGION THE NEXT FEW DAYS. THIS FEATURE WL PUT A LID ON
ORGANIZED CONVECTION FOR THE NATURAL STATE.
THE MAIN FCST CONCERN THRU FRI WL BE TEMPS. CONTD WITH A PERSISTENCE
FCST FOR NIGHTTIME LOWS, WITH READINGS STAYING MAINLY THE 70S.
THE BIG QUESTION WL BE WHAT LOCATIONS CAN REACH THE CENTURY MARK.
FOR NOW, HAVE CONTD TO TREND MAX TEMPS UPWARD A DEGREE OR TWO EACH
AFTN AS SOIL MOISTURE/PW VALUES WL CONT TO DCRS. HEAT ADVISORIES RMN
IN EFFECT FOR THE FA AT LEAST THRU FRI. ONLY CONSIDERATION WL BE FOR
LOCATIONS THAT COULD REACH WARNING CRITERIA, ESP ON FRI.
LONG TERM...SATURDAY THROUGH WEDNESDAY
UPPER LEVEL HIGH PRESSURE WILL BE CENTERED OVER THE PLAINS TO BEGIN
THE PERIOD WITH A TROUGH OVER THE NORTHEAST. THE UPPER TROUGH WILL
PUSH SOUTHWARD SUNDAY AS THE UPPER HIGH CONTINUES IN THE WEST. THE
UPPER TROUGH WILL CONTINUE OVER ARKANSAS THROUGH WEDNESDAY.
HOT TEMPERATURES WILL CONTINUE OVER THE AREA SATURDAY. BY SATURDAY
NIGHT A COLD FRONT WILL MOVE INTO NORTH ARKANSAS WITH A CHANCE OF
SHOWERS AND THUNDERSTORMS. AS THE FRONT MOVES SOUTH, RAIN CHANCES
WILL DEVELOP ACROSS THE REST OF THE AREA. THE BEST RAIN CHANCES WILL
BE SUNDAY AND SUNDAY NIGHT. HIGH PRESSURE BUILDS INTO ARKANSAS FROM
THE NORTH MONDAY AND WILL CONTINUE INTO WEDNESDAY WITH MUCH COOLER
TEMPERATURES. HIGHS IN THE 90S TO AROUND 100 DEGREES ARE EXPECTED
OVER THE AREA SATURDAY. BEHIND THE FRONT, HIGHS WILL ONLY BE IN THE
80S MONDAY THROUGH WEDNESDAY. LOWS WILL GO FROM THE 70S TO THE 60S.
LZK WATCHES/WARNINGS/ADVISORIES
HEAT ADVISORY UNTIL 7 PM CDT FRIDAY FOR BAXTER-BOONE-FULTON-
INDEPENDENCE-IZARD-JACKSON-LAWRENCE-MARION-NEWTON-RANDOLPH-
SEARCY-SHARP-STONE.
HEAT ADVISORY UNTIL 7 PM CDT FRIDAY FOR ARKANSAS-BRADLEY-CALHOUN-
CLARK-CLEBURNE-CLEVELAND-CONWAY-DALLAS-DESHA-DREW-FAULKNER-
GARLAND-GRANT-HOT SPRING-JEFFERSON-JOHNSON-LINCOLN-LOGAN-LONOKE-
MONROE-MONTGOMERY-OUACHITA-PERRY-PIKE-POLK-POPE-PRAIRIE-PULASKI-
SALINE-SCOTT-VAN BUREN-WHITE-WOODRUFF-YELL.
AVIATION...67
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