Sounds like it could be an active and noisy night. Hope there is a good lightning show tonight. Tonight
Showers and thunderstorms before 5am, then a chance of showers. Some of the storms could produce gusty winds and heavy rain. Patchy fog after 2am. Low around 71. Southeast wind 6 to 9 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Hazardous Weather Outlook
National Weather Service State College PA
558 AM EDT Sat Jul 15 2023
PAZ004-036-056-057-059-063>066-161000-
Warren-Franklin-Perry-Dauphin-Lebanon-Cumberland-Adams-York-
Lancaster-
558 AM EDT Sat Jul 15 2023
This Hazardous Weather Outlook is for central Pennsylvania.
.DAY ONE...Today and tonight.
Strong to severe thunderstorms with gusty winds are possible from
late this afternoon through tonight. Heavy rain is expected from
some of the thunderstorms and may lead to flooding.
.DAYS TWO THROUGH SEVEN...Sunday through Friday.
Strong to severe thunderstorms with gusty winds and heavy rain are
possible on Sunday. The rain may lead to flooding.
Heavy rain is again possible later Monday and Monday night.
SHORT TERM /6 PM THIS EVENING THROUGH SUNDAY NIGHT/...
PWAT does reach 2" in the SE late today per latest HREF mean
values. Heavy rain will, again today, depend on having repeated
cells pass over the same area. Storm motions should be generally
W-E or slightly N of E. FFG is lowest in the middle and upper
Susq. They are gradually lowering with each day as we have rain
streak across the area. Have considered a flash flood watch.
Will continue to consider one, mainly for the SE and EC
counties, where the latest model trends place the heaviest
rain/storms this evening. Looks like there should be a fair
amount of time for the dayshift to further diagnose/divine where
it might be best to post one (if at all). As the evening
continues, the storms will likely cluster over the SE close to
the old boundary and along the gradient of 1.75-2" PWAT which
will be working northward. Forcing swings by during the middle
of the night, clearing out the west of any showers/storms there
in the evening, and eventually pushing most of the the storms
out of the Susq Valley and to the east of the CWA before
sunrise. Will continue to mention heavy rain in the wx grids.
SPC MRGL risk is drawn over most of the area, mainly for wind,
but a small risk of hail and tornadoes is painted for the
Alleghenies/NW as the shear will be better there. Newest (06Z)
NAM delays exit of the storms to the east, and is more
aggressive with rainfall on Sunday than the GFS. With the
rainfall later today and tonight being heaviest in the E, and
the bulk of rain expected to be in the E again on Sunday, the
flooding risk will continue. It will likely be foggy again
tonight, esp if clearing becomes complete in areas (W). Temps
stay AOA normals thru the period. Sunday may be a few degs
cooler than Sat and Mon.