955
FXUS61 KILN 201314
AFDILN
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE WILMINGTON OH
914 AM EDT MON APR 20 2026
WHAT HAS CHANGED
CANCELLED THE FROST ADVISORY AND FREEZE WARNING FOR THIS MORNING.
CONTINUED THE FREEZE WARNING FOR TONIGHT AND ADDED A FROST ADVISORY
FOR PART OF THE AREA AS WELL.
KEY MESSAGES
1) BELOW NORMAL TEMPERATURES WILL CONTINUE THROUGH MONDAY NIGHT
BEFORE A RETURN TO ABOVE NORMAL TEMPERATURES ON TUESDAY.
2) MULTIPLE SYSTEMS WILL BRING SHOWERS AND SOME THUNDERSTORMS TO THE
REGION AT TIMES THROUGH THE WEEK.
DISCUSSION
KEY MESSAGE 1)
SURFACE HIGH PRESSURE CENTERED OVER THE SOUTHERN GREAT LAKES EARLY
THIS MORNING WILL SHIFT OFF TO THE EAST THROUGH TONIGHT. THIS WILL
LEAD TO CONTINUED COOL TEMPERATURES TODAY WITH AFTERNOON HIGHS ONLY
RANGING FROM THE LOWER 50S NORTH TO THE UPPER 50S IN THE SOUTH.
LOWS TONIGHT WILL RANGE FROM THE LOWER 30S IN THE FAR NORTHEAST TO
THE UPPER 30S IN THE SOUTHWEST. WILL GO AHEAD AND UPGRADE THE FREEZE
WATCH TO A FREEZE WARNING FOR TONIGHT ACROSS OUR FAR NORTHEAST.
ISSUED A FROST ADVISORY FOR PARTS OF THE AREA. DID NOT INCLUDE
LOCATIONS FURTHER WEST IN THE FROST ADVISORY WHERE WINDS WILL BE
HIGHER AND TEMPERATURES WILL ALSO BE WARMER.
WE WILL THEN START TO GET INTO RETURN FLOW ON THE BACK SIDE OF THE
HIGH WITH TEMPERATURES REBOUNDING BACK INTO THE 70S BY TUESDAY.
KEY MESSAGE 2)
A WEAK MID LEVEL SHORT WAVE WILL BRING A CHANCE FOR SHOWERS AND FEW
THUNDERSTORMS TO THE AREA ON WEDNESDAY. A SOMEWHAT STRONGER SHORT
WAVE WILL LEAD TO A BETTER CHANCE FOR SHOWERS AND THUNDERSTORMS
FRIDAY INTO FRIDAY NIGHT.
AVIATION /13Z MONDAY THROUGH FRIDAY/
SURFACE HIGH PRESSURE WILL SHIFT EAST ACROSS THE SOUTHERN GREAT
LAKES THROUGH TONIGHT. A FEW CU WILL BE POSSIBLE LATE THIS AND INTO
THIS AFTERNOON. VFR CONDITIONS WILL PREVAIL DURING THE TAF PERIOD.
OUTLOOK....THUNDERSTORMS POSSIBLE TUESDAY NIGHT INTO WEDNESDAY, AND
THEN AGAIN ON FRIDAY. MVFR CONDITIONS ARE POSSIBLE ON WEDNESDAY AND
FRIDAY.
ILN WATCHES/WARNINGS/ADVISORIES
OH...FROST ADVISORY FROM 11 PM THIS EVENING TO 10 AM EDT TUESDAY FOR
OHZ045-054-055-063-064-072-073-079>082-088.
FREEZE WARNING FROM 11 PM THIS EVENING TO 10 AM EDT TUESDAY FOR
OHZ046-056-065-074.
KY...FROST ADVISORY FROM 11 PM THIS EVENING TO 10 AM EDT TUESDAY FOR
KYZ099-100.
IN...NONE.
DISCUSSION...JGL/AN
AVIATION...JGL
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