428
FXUS63 KGRR 061835
AFDGRR
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
235 PM EDT FRI JUN 6 2025
KEY MESSAGES
- UPPER LOW EARLY NEXT WEEK WITH RAIN SHOWERS
DISCUSSION
ISSUED AT 311 AM EDT FRI JUN 6 2025
PLENTY OF HIGH CLOUDS TODAY BUT RAIN CHANCES ARE VERY LOW AND
CONFINED TO FAR SOUTHERN AREAS. FAIR AND SLIGHTLY COOLER THAN
NORMAL THROUGH SATURDAY THEN RAIN CHANCES INCREASE ON SUNDAY IN
ADVANCE OF A VIGOROUS UPPER LOW MOVING ACROSS THE GREAT LAKES
REGION.
WE CAN EXPECT A DIURNAL ENHANCEMENT OF SHOWERS AND A SLIGHT
CHANCE OF THUNDER IN THE AFTERNOON AND EVENING EACH DAY FROM
SUNDAY THROUGH TUESDAY. THE LOW MOVES OUT LATE TUESDAY WITH FAIR
WEATHER RETURNING FOR WEDNESDAY.
AVIATION /12Z TAFS THROUGH 12Z SATURDAY/
ISSUED AT 225 PM EDT FRI JUN 6 2025
WHILE VFR CONDITIONS WILL DOMINATE OVERALL, THERE REMAINS SOME
LINGERING MVFR CIGS ALONG THE SOUTHERN TAF SITES DUE TO THE
HAZE/SMOKE. EXPECT THOSE CONDITIONS TO LINGER WITH SOME
IMPROVEMENT OVERNIGHT. HOWEVER THERE IS THE POTENTIAL FOR VSBYS TO
REMAIN MVFR DUE TO THE HAZE SMOKE INTO TOMORROW.
MARINE
ISSUED AT 124 AM EDT FRI JUN 6 2025
WINDS AND WAVES ARE EXPECTED TO BE RELATIVELY CALM UNTIL LATE IN
THE WEEKEND WHEN SOUTH WINDS INCREASE AHEAD OF LOW PRESSURE MOVING
IN FROM THE WEST. AT THIS POINT IT LOOKS LIKE WINDS AND WAVES
REMAIN BELOW SCA CRITERIA INTO EARLY NEXT WEEK.
GRR WATCHES/WARNINGS/ADVISORIES
MI...AIR QUALITY ALERT UNTIL MIDNIGHT EDT TONIGHT FOR MIZ071>074.
MARINE...NONE.
DISCUSSION...OSTUNO
AVIATION...CERU
MARINE...OSTUNO
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