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Central PA Winter 23/24


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5 minutes ago, MAG5035 said:

And to think we started the day ready to crown the ICON for being right having the heaviest snow all the way up along the NY southern tier lol. 

CTP was smart to keep their remaining watches up.

It's incredible how all modeling went to its northern forecast only for it and most others coming south to one degree or another. Strange for sure.

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So update to abc 27 saying mostly rain posted a screen earlier. watched this a bit ago showing that even around 2-3pm they are still calling for rain. I thought it was over by then. was gonna post another screen but file is to big?

 

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I noticed this over at weather.gov. We broke some records due to warmth. Between big drops in gas prices on the world market finally translating into lower UGI rates and a warm winter overall, I must say I am glad my gas bills are finally less:

.CLIMATE...
The following temperature record occurred during the mild weather on Friday and Saturday:

FRIDAY FEBRUARY 9TH:
-High of 58 degrees at Williamsport tied the record set last year.
-High of 62 degrees at State College broke the previous record of 59 degrees in 2001.

SATURDAY FEBRUARY 10TH:
-High of 53 degrees at Bradford tied the record set in 2001.
-Low of 35 degrees at Bradford tied the record maximum low temperature set in 2002.
-Low of 41 degrees at State College broke the previous record maximum low temperature of 39 degrees set last year.

 

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URGENT - WINTER WEATHER MESSAGE
National Weather Service State College PA
350 AM EST Mon Feb 12 2024

PAZ056-057-059-122100-
/O.EXT.KCTP.WS.A.0003.240213T0700Z-240213T1800Z/
Perry-Dauphin-Lebanon-
Including the cities of Newport, Harrisburg, Hershey, and Lebanon
350 AM EST Mon Feb 12 2024

...WINTER STORM WATCH NOW IN EFFECT FROM LATE TONIGHT THROUGH
TUESDAY AFTERNOON...

* WHAT...Heavy snow possible. Total snow accumulations of 3 to 5
  inches possible. Winds could gust as high as 35 mph.

* WHERE...Perry, Dauphin and Lebanon Counties.

* WHEN...From late tonight through Tuesday afternoon.

* IMPACTS...Travel could be very difficult. The hazardous
  conditions could impact the morning commute.

* ADDITIONAL DETAILS...Rain will turn to snow late tonight. The
  snow is expected to be heaviest during a 3 to 6 hour period from
  just before sunrise to just before noon Tuesday. Snowfall rates
  of an inch or more per hour are possible during this period.
  Snowfall rates this high would slow travel significantly and
  make it dangerous during the morning commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

There is the potential for significant winter weather that may
impact travel.

Review winter weather safety and preparedness information at
weather.gov/winter.

The latest forecast information can be found on the
NWS State College Facebook page and Twitter @NWSStateCollege,
or on the web at weather.gov/ctp.
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So, CTP does look at the Nam:

.SHORT TERM /7 AM THIS MORNING THROUGH 6 PM TUESDAY/...
The forecast from all models/ensembles has been changing
drastically over the past 12 hrs. The result is a shift of
50-70 miles south for the expected stripe of heaviest snow. The
timing is similar to prev runs. The NAM is the most pronounced
with this shift.

The complimentary, strong (150KT) jet streaks over NY/New
England and the Carolinas will generate tremendous lift for a
4-6 hr period over a good portion of the CWA. While the precip
will initially be rain thanks to the milder-than-normal temps
we`ve gotten used to, it will turn to snow. Wet-bulbing/dynamic
cooling and the NErly wind typical with a Miller Type B Nor-
Easter will cool the column to a solid snow profile for most of
the area through the night. The SE will be the last to turn.
However, there is still some doubt/uncertainty as to the p-type
for the far SE (Adams, York, Lancaster) as the heaviest slug of
precip arrives in the early morning. If it falls hard enough,
it could be all snow as it won`t have time to warm up. However,
we could see another waggle back north, and this would keep the
temps just mild enough for a mix or just plain rain. SLRs
continue to look very low (sloppy, wet snow) for all of the
area. Extreme snowfall rates are possible. HREF progs support
high (90 pct chc) of 1-2"/hr snowfall rates over the central
zones, and even as far S as the Turnpike. That would make a big
mess for Harrisburg right when everyone is traveling. The
uncertainty of the band placement has kept us from converting
the Harrisburg metro into a warning at this point. We`ll ride
the watch.

Many models now keep the entire nrn tier (and almost certainly
the far NW) dry. However, we`ll leave accums there for the time
being, bringing them down, but holding the warning for
Potter/Tioga. This warning may get dropped by later shifts, but
the novelty/newness of the change begs for small steps to the
change in forecasts.

The biggest changes to warning/watch flags are the addition of
a watch area over the south-central mountains, and an expansion
of the warning area to cover a great portion of the CWA. SF
rates could cause a significant impact to travel Tuesday AM,
pretty much right when everyone is trying to get out the door to
work, school, Dr appointments and other activities. Again, as
with the changes across the nrn tier, the shift to the south is
so new that a watch is a good first step.

The snowfall should exit stage left mid-morning in the
west/central and around noon for the far eastern towns. Temps
rise thanks to some breaks in the clouds and a downslope in the
SE. The snow might start to melt nicely in the SE in the aftn.
But, we`ve also nudged temps down across the board for Tuesday,
adjusting to the expected snow cover. The WNW wind kicks in and
intensifies as the sfc low deepens and moves away, off the East
Coast through the day. The upslope flow for the Laurels and
cross-lake flow for the NW will generate sct SHSN there. But,
they should not extend past the Allegheny Front. The wet/heavy
character of the snow should preclude any blowing/drifting.

 

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I found a winter storm watch for my area at Weather.com. The NWS dose not have my immediate area under a winter storm watch yet according to there web site so I'm a little confused, but I'll take it and be happier than a two peker billy goat . 

Weather Alerts-New Cumberland, PA

Winter Storm Watch

From Tue 2 am until 1 pm EST

Action Recommended

Make preparations per the instructions

Issued By

State College - PA, US, National Weather Service

Affected Area

Fulton, Franklin and Cumberland Counties

Description

...WINTER STORM WATCH IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY AFTERNOON... WHAT...Heavy snow possible. Total snow accumulations of 2 to 6 inches possible. WHERE...Fulton, Franklin and Cumberland Counties. WHEN...From late tonight through Tuesday afternoon. IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the morning commute. ADDITIONAL DETAILS...The expected storm track is farther south than previous forecasts. This will likely result in heavier snowfall for the area. The snow will be heaviest during the morning commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... There is the potential for significant winter weather that may impact travel. Review winter weather safety and preparedness information at weather.gov/winter.
 
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