954
FXUS61 KILN 220133
AFDILN
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE WILMINGTON OH
933 PM EDT MON APR 21 2025
SYNOPSIS
A COLD FRONT WILL PUSH THROUGH THE AREA THIS AFTERNOON, EXITING BY
EVENING. THE AREA SHOWERS ASSOCIATED WITH THIS FRONTAL SYSTEM WILL
PULL EAST, WITH NORTHERLY WINDS OVERNIGHT TONIGHT. SLIGHTLY COOLER
AND DRIER CONDITIONS ARE EXPECTED FOR MOST OF THE WEEK, WITH WARMER
AND MORE HUMID CONDITIONS EXPECTED BY LATE THIS WEEK, BRINGING
SHOWERS AND STORMS BACK INTO THE AREA BY THURSDAY AND FRIDAY.
NEAR TERM /UNTIL 6 AM TUESDAY MORNING/
A FEW RADAR ECHOES IN PORTIONS OF THE SCIOTO VALLEY WILL DISSOLVE
THIS EVENING BEHIND THE COLD FRONTAL PASSAGE. MOST OF THE DIURNAL CU
HAS BURNED OFF, LEAVING MAINLY CIRRUS CLOUDS ACROSS MAJORITY OF OUR
CWA. THERE ARE SOME LOW-LEVEL STRATOCU NEAR THE OHIO/INDIANA BORDER
THAT HAVE EXPANDED EASTWARD THIS EVENING. HOWEVER, MODEL SOUNDINGS
WOULD SUGGEST THAT THIS CLOUD FIELD WILL GRADUALLY DISSOLVE OVERNIGHT
WITH DRIER AIR ADVECTING IN FROM THE NORTHWEST.
OVERNIGHT LOWS WILL DIP INTO THE 40S FOR MOST OF OUR CWA.
SHORT TERM /6 AM TUESDAY MORNING THROUGH TUESDAY NIGHT/
HIGH PRESSURE WILL BUILD INTO THE REGION AND REMAIN OVER THE AREA,
WITH NW FLOW SLOWLY SHIFTING TO SE BY TUESDAY AFTERNOON. SOME CAA
CLOUDS, BUT GENERALLY A SUN/CLOUD MIX. HIGH GENERALLY IN THE UPPER
60S/LOWER 70S. SOME LOSS OF DIURNAL CLOUDS FOR TUESDAY NIGHT, WITH A
RETURN TO SOUTHERLY FLOW AND SLIGHTLY WARMER OVERNIGHT TEMPERATURES
IN THE 50S.
LONG TERM /WEDNESDAY THROUGH MONDAY/
DRY CONDITIONS WILL START OUT THE LONG TERM ON WEDNESDAY. A MORE
UNSETTLED PATTERN STARTS TO DEVELOP ON THURSDAY AND KEEPS
PRECIPITATION CHANCES IN THE FORECAST THROUGH SATURDAY. MOISTURE
STARTS TO WORK UP FROM THE SOUTH ON THURSDAY. FRIDAY LOOKS TO BE
THE WETTEST DAY AT THIS TIME AS A LOW PRESSURE SYSTEM AND FRONTAL
BOUNDARY APPROACH THE REGION. LINGERING SHOWERS CONTINUE INTO
SATURDAY BEFORE TAPERING OFF. DRY CONDITIONS RETURN FOR SUNDAY.
THERE ARE INDICATIONS THAT ANOTHER SYSTEM WILL BRING A RETURN OF
PRECIPITATION CHANCES FOR MONDAY.
AVIATION /02Z TUESDAY THROUGH SATURDAY/
VFR CONDITIONS ARE LIKELY TO PERSIST THROUGH THE TAF PERIOD. CU
EXPECTED TO DISSOLVE AS WE PROGRESS THROUGH THE OVERNIGHT HOURS. WITH
ENOUGH DRY AIR MOVING IN TOMORROW, EXPECTING MAINLY JUST HIGH LEVEL
CLOUDS.
SURFACE HIGH PRESSURE MOVES IN FROM THE SOUTHWEST. WINDS WILL
GRADUALLY SUBSIDE OVERNIGHT, BECOMING LIGHT AND VARIABLE DURING THE
DAYTIME TUESDAY AS THE HIGH PRESSURE SYSTEM MOVES OVER THE OHIO
VALLEY.
OUTLOOK...THUNDERSTORMS POSSIBLE THURSDAY INTO FRIDAY.
ILN WATCHES/WARNINGS/ADVISORIES
OH...NONE.
KY...NONE.
IN...NONE.
SYNOPSIS...JDR
NEAR TERM...CLARK
SHORT TERM...JDR
LONG TERM...
AVIATION...CLARK
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