textproduct: Philadelphia/Mt Holly
This forecast discussion was created in the public domain by the National Weather Service. It can be found in its original form here.
WHAT HAS CHANGED
Updated aviation section for 12Z tafs.
KEY MESSAGES
1. Below normal temperatures continue for the beginning of the week before warming takes hold towards mid-late week.
DISCUSSION
KEY MESSAGE 1...Below normal temperatures continue for the beginning of the week before warming takes hold towards mid-late week.
As low pressure moves into the Canadian Maritimes this weekend and high pressure builds to our west, northwesterly flow will continue to usher chilly air into the region. This will keep temperatures slightly below normal for the start of the new week. Clouds continue to wrap around, keeping temps elevated early this morning, but this may not be the case in subsequent mornings, allowing for a bit more radiational cooling each subsequent night for a few days. By contrast, highs will start to warm as cold advection dwindles and the sun becomes more dominant, so expect a widening of the diurnal range overall. Winds will remain a bit gusty today but should be diminished compared to yesterday, and should diminish even more tomorrow as compared to today.
While the northwest flow may still allow a few sprinkles/flurries to reach the Poconos/NW NJ today, that should end tomorrow, with dry weather predominating the remainder of the week.
Warming of both highs and lows will commence by Wednesday and continue til week's end.
AVIATION /12Z SUNDAY THROUGH THURSDAY/
The following discussion is for KPHL, KPNE, KTTN, KABE, KRDG, KILG, KMIV, KACY and surrounding areas.
Today...VFR. Northwest winds around 10 kt with gusts 15-20 kt. High confidence.
Tonight...VFR. Winds northwest 5-10 kts. High confidence.
Outlook...
Monday thru Thursday...VFR expected.
MARINE
Winds should gradually die off over the next few hours so current plan is to allow SCA to expire at 6 AM. Could still be sporadic gusts to 25 kts thru the day Sunday but with seas generally below 5 feet, don't think this is enough to warrant a continuation of the SCA. Fair weather otherwise.
Outlook...
Tonight thru Thursday...Sub-SCA conditions predominate. Fair weather.
PHI WATCHES/WARNINGS/ADVISORIES
PA...None. NJ...None. DE...None. MD...None. MARINE...None.
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