413
FXUS63 KGRR 032343
AFDGRR
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
643 PM EST WED MAR 3 2021
LATEST UPDATE...
AVIATION
SYNOPSIS
ISSUED AT 243 PM EST WED MAR 3 2021
- HIGH PRESSURE/QUIET WEATHER THROUGH THE WEEKEND
- LOW PRESSURE APPROACHES FROM THE WEST WITH WET WEATHER MID-WEEK
DISCUSSION
(THIS EVENING THROUGH NEXT WEDNESDAY)
ISSUED AT 243 PM EST WED MAR 3 2021
- HIGH PRESSURE/QUIET WEATHER THROUGH THE WEEKEND
DRY NORTHERLY FLOW WILL PERSIST INTO EARLY NEXT WEEK WITH SFC
RIDGING INTO MONDAY. FAIRLY GOOD MODEL AGREEMENT THROUGH THIS
PERIOD DEPICTING THE SURFACE HIGH MOVING EAST ON MONDAY. A
NORTHERN STREAM LOW AND TRAILING FRONT ON MONDAY NOW APPEARS TO BE
TOO FAR NORTH TO BRING A CHANCE OF MEASURABLE PRECIP ON MONDAY TO
OUR FORECAST AREA.
- LOW PRESSURE APPROACHES FROM THE WEST WITH WET WEATHER MID-WEEK
THE WEATHER GETS MORE INTERESTING NEXT WEEK AS UPPER TROUGHING
ACROSS THE WESTERN CONUS MOVES EAST AND A STRONG SFC CYCLONE
TRACKS THROUGH THE NORTHERN PLAINS. STILL ENOUGH ENSEMBLE SPREAD
TO HAVE SOME DOUBTS AS TO HOW MUCH PRECIP THIS BRINGS AS THE LOW
OCCLUDES WELL WEST OF THE GREAT LAKES. WE CAN EXPECT SOME WARM
ADVECTION RAIN MOVING IN BY TUESDAY NIGHT OR WEDNESDAY THEN THE
OCCLUDED OR COLD FRONT MOVES THROUGH ON WEDNESDAY OR THURSDAY.
AVIATION
(FOR THE 00Z TAFS THROUGH 00Z THURSDAY EVENING)
ISSUED AT 638 PM EST WED MAR 3 2021
THE WIND WILL BE SWINGING AROUND TO THE NORTHWEST TO NORTH
DIRECTION. WHILE MAINLY SCATTERED CLOUD COVER IS FORECAST...WE
WILL NEED TO MONITOR THE POSSIBILITY OF A FEW PERIODS OF MVFR
CEILINGS...MAINLY FOR KLAN LATER TONIGHT INTO THURSDAY. CONFIDENCE
WAS NOT HIGH ENOUGH TO GO WITH MVFR CONDITIONS AT THIS TIME.
MARINE
ISSUED AT 243 PM EST WED MAR 3 2021
WE HAVE ISSUED A SMALL CRAFT ADVISORY FOR TONIGHT FOR NORTH OF
PENTWATER AS NORTH WINDS BUILD 4 FOOT WAVES ALONG THE SABLE
POINTS.
GRR WATCHES/WARNINGS/ADVISORIES
MI...NONE.
LM...SMALL CRAFT ADVISORY UNTIL 7 AM EST THURSDAY FOR LMZ849.
SYNOPSIS...OSTUNO
DISCUSSION...OSTUNO
AVIATION...MJS
MARINE...OSTUNO
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