textproduct: Caribou
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WHAT HAS CHANGED
530 am update...Update for 12z aviation discussion.
KEY MESSAGES
1) Dry weather through next Thursday.
DISCUSSION
KEY MESSAGE 1...Dry weather through next Thursday.
KEY MESSAGE 1 DESCRIPTION... 1035mb surface high pressure located off of the Delmarva remains south of the area through the day. This will bring sw flow to the region with local case studies showing this to result in drier dewpoints than fcst by guidance and have subsequently dropped dwpt temps into the 20s, based on extremely dry soundings and persistence. This likely to result in relative humidities today dropping down toward 20%. Given the dry airmass temps should easily be able to climb thru the 50s with lower 60s common acrs the area for highs today.
Cold front moves through on Monday with a small chance for an isolated shower acrs the north before front washes out over central areas. Have continued idea of 20-30 pops with little in the way of measurable rainfall expected.
High pressure builds in quickly following fropa with H8 temps dropping toward -9C on Tuesday. Highs on Tuesday will barely make it into the 40s over the north with Wednesday just a few degrees warmer as CWA affected by weak H5 troffing through the middle of the week.
S/wv ridging likely to bring temps back above normal for Thursday with a fast-moving s/wv flattening the ridge through the end of the week. There may be off and on rain chances after Thursday but no significant threat for any real measurable rainfall through the end of the month.
AVIATION /09Z SUNDAY THROUGH THURSDAY/
Today...VFR. SW winds 5-15kts.
Tonight...VFR. SW winds 5-10kts. LLWS possible over northern Aroostook terminals.
Monday-Monday night...VFR, though cannot rule out brief MVFR Aroostook terminals on Monday. NW winds 5-15kts, gusting to 20kts north.
Tuesday-Tuesday night...VFR. NW 5-15kts gusting to 20kts Tuesday, become light W Tuesday night.
Wednesday-Wedneday night...VFR. WSW winds 5-10kts.
Thursday...VFR. S 5-15kts.
MARINE
Winds and seas remain below small craft levels through Monday. Cold front moving through Monday evening brings NW wind gusts over 25kts for coastal and outer waters Mon night through Tuesday morning. Seas climb to above 5ft over the outer waters. Conditions diminish through Thursday morning before SW winds increase to near 25kts over all waters through the end of the period.
CAR WATCHES/WARNINGS/ADVISORIES
ME...None. MARINE...None.
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