597
FXUS63 KGRR 051722
AFDGRR
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
122 PM EDT THU JUN 5 2025
KEY MESSAGES
- RAIN ENDING TODAY THEN RETURNS EARLY NEXT WEEK
DISCUSSION
ISSUED AT 327 AM EDT THU JUN 5 2025
NO SEVERE WEATHER OR HEAVY RAIN EXPECTED THROUGH THE NEXT WEEK.
THE SLOW MOVING BAROCLINIC ZONE WILL CONTINUE TO SHIFT EAST AND
RAIN WILL SLOWLY EXIT THE SOUTHEAST FORECAST AREA THIS AFTERNOON.
WEAK SURFACE HIGH BUILDS IN BUT SHOWERS ARE POSSIBLE ACROSS THE
SOUTHERN BORDER TONIGHT AND FRIDAY AS A SFC LOW TRACKS THROUGH
THE OHIO VALLEY. THE NEXT REAL CHANCE FOR RAIN COMES EARLY NEXT
WEEK AS AN UPPER LOW MOVES INTO THE GREAT LAKES REGION. DIURNAL
ENHANCEMENT OF THE SHOWERS ALONG WITH A SLIGHT CHANCE FOR
THUNDERSTORMS CAN BE EXPECTED MONDAY AFTERNOON/EVENING UNDER THE
UPPER LOW.
AVIATION /18Z TAFS THROUGH 18Z FRIDAY/
ISSUED AT 122 PM EDT THU JUN 5 2025
MVFR CONDITIONS WILL CONTINUE THROUGH THE AFTERNOON AND INTO THE
EVENING AT ALL TERMINALS EXCEPT MKG DUE TO A COMBINATION OF
LINGERING STRATUS FOR AZO, BTL, AND JXN AND WILDFIRE SMOKE.
CONDITIONS IMPROVE TO VFR TONIGHT AT GRR AND LAN, WITH MVFR
DEVELOPING AT AZO, BTL, AND JXN AS LOW STRATUS AND PATCHY FOG
REDEVELOP. PREDOMINANTLY NORTHEASTERLY WINDS BELOW 10 KNOTS ARE
EXPECTED THROUGH THE TAF PERIOD.
MARINE
ISSUED AT 132 AM EDT THU JUN 5 2025
WINDS AND WAVES SHOULD REMAIN BELOW SCA CRITERIA INTO AT LEAST
SUNDAY/MONDAY WHEN SOUTH WINDS WILL INCREASE AHEAD OF LOW
PRESSURE.
GRR WATCHES/WARNINGS/ADVISORIES
MI...AIR QUALITY ALERT UNTIL NOON EDT FRIDAY FOR MIZ037>040-043>046-
050>052-056>059-064>067-071>074.
MARINE...NONE.
DISCUSSION...OSTUNO
AVIATION...THOMAS
MARINE...OSTUNO
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