Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 209, NWS State College, PA

July 22, 2019Lebanon County, Schuylkill County, Pennsylvania

NWS State College, PA issued this severe thunderstorm warning at Jul 22, 2019, 3:17 PM EDT for Lebanon County, Schuylkill County, Pennsylvania. It was in force for 58 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 22, 2019, 3:17 PM EDT (19:17 UTC)
Expired: Jul 22, 2019, 4:15 PM EDT
In force: 58 min
Issued by: NWS State College, PA
Area: Storm-based polygon
Hail: 0.75 in
Wind: 70.0 mph

Counties Lebanon County, PA, Schuylkill County, PA

The radar

The State College radar (KCCX), 147 km from the middle of the area, began a volume at 19:17 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jul 22, 2:17 PM EDT	Severe Thunderstorm Watch	SPC	8 hr

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS State College, PA wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 22, 3:10 PM EDT, 7 minutes earlier.

Area forecast discussion, Jul 22, 3:10 PM EDT, 7 minutes before

Area Forecast Discussion
National Weather Service State College PA
310 PM EDT Mon Jul 22 2019

.SYNOPSIS...
An area of heavier showers along with scattered thunderstorms
containing heavy rain and gusty winds will impact the region
this afternoon into this evening. By Tuesday, a wavy front will
slowly settle south of the region, finally delivering some
cooler and drier air that will last through the end of the
week. High pressure will then move offshore, bringing warmer
conditions for next weekend.

&&

.NEAR TERM /UNTIL 6 AM TUESDAY MORNING/...
Frontal boundary interacting with high PWAT air over the region
this afternoon and evening. This boundary will sag slowly
southward over the next 18 hrs, but not before producing an area
of heavier showers over the SE 2/3rds of the CWA. Tstms also
beginning to blossom over the S/SE where earlier sunshine and
deep tropical air have enhanced instability ahead of a
deepening mid level shortwave.

SPC just issued Svr Watch #538 for my far SE counties where most
warming has occurred, with primary severe threat being localized
damaging winds through mainly the late afternoon hours.

Latest convective models focusing heavy rain threat in general
area of our current flood watch, and aligned well with the
moderate category of the WPC Excessive Rainfall. But enough
differences to keep from honing in on a specific area, so had
to keep flood potential area broad, dependent on where cells
ultimately train over the same areas. Primary area of concern
is over far SE counties, with more localized potential from
south of IPT back toward AOO/JST.

The front is made to move slowly through the SE zones this
evening and overnight, maintaining a good chance of lingering
showers into at least early Tuesday. Drier air working into the
region behind the front should bring much lower dewpoint air to
most of the CWA by this time tomorrow.

&&

.SHORT TERM /6 AM TUESDAY MORNING THROUGH THURSDAY NIGHT/...
Time for a cool change. Tuesday will begin an extended period of
refreshingly cooler and noticeably drier (less humid) weather
in central PA.

The cold front is slow to push east of the I-95 corridor with
the back edge of showers possibly clipping the far southeast
zones in the morning.

A rather deep (seasonably-adjusted) upper level trough moving
through the Appalachians could touch off an isolated shower in
spots during the afternoon Tuesday-Wednesday. Otherwise, it will
remain pleasant and dry through the end of the week.

&&

.LONG TERM /FRIDAY THROUGH SUNDAY/...
Typical summertime heat/humidity should make a return by the
weekend with an increasing risk of PM thunderstorms into early
next week. Temperatures will trend near to above average.

&&

.AVIATION /19Z MONDAY THROUGH SATURDAY/...
Active weather so will keep this simple. Front slowly sagging
south across CWA this afternoon and evening. South of the front,
periods of rain showers with stronger tstms will persist into
the evening hours with torrential rain/gusty wind and reductions
in the vicinity of heavier convection. North of the front,
ligher rain showers will gradually diminish, but restrictions
will be more widespread and linger through tonight.

.Outlook...

Tue...Early AM low cigs possible Laurel Highlands.

Wed-Fri...No sig wx expected.

&&

.CTP WATCHES/WARNINGS/ADVISORIES...
Flash Flood Watch until 2 AM EDT Tuesday for PAZ036-056>059-
063>066.
Flash Flood Watch until 8 PM EDT this evening for PAZ033>035-
051>053.

&&

SYNOPSIS...La Corte/RXR
NEAR TERM...La Corte/RXR
SHORT TERM...Steinbugl
LONG TERM...Steinbugl
AVIATION...Martin

Hazardous weather outlook, Jul 22, 2:45 PM EDT, 32 minutes before

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In the hours before

Special weather statement, Jul 22, 1:55 PM EDT, 1 hour 22 minutes before

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Special weather statement, Jul 22, 2:09 PM EDT, 1 hour 8 minutes before

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Special weather statement, Jul 22, 2:19 PM EDT, 58 minutes before

Special Weather Statement
National Weather Service State College PA
219 PM EDT Mon Jul 22 2019

PAZ065-221845-
York PA-
219 PM EDT Mon Jul 22 2019

...A STRONG THUNDERSTORM WILL AFFECT PARTS OF YORK COUNTY UNTIL 245
PM EDT...

At 218 PM EDT, Doppler radar indicated a strong thunderstorm near
Stewartstown, moving northeast at 30 mph.

Wind gusts of up to 55 mph are possible.

Locations impacted include...
Delta, Sunnyburn, Susquehanna Trails, Fawn Grove, Peach Bottom and
Airville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

Minor flooding may develop. Do not drive into water covering the
roadway.

&&

LAT...LON 3973 7661 3985 7636 3983 7635 3977 7627
      3973 7624 3972 7624 3972 7662
TIME...MOT...LOC 1818Z 240DEG 24KT 3969 7653

Tyburski

Special weather statement, Jul 22, 2:26 PM EDT, 51 minutes before

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Special weather statement, Jul 22, 2:53 PM EDT, 24 minutes before

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Special weather statement, Jul 22, 3:10 PM EDT, 7 minutes before

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The office that day

Everything else NWS State College, PA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 21, 8:26 PM EDT	Special Weather Statement	CTP	York	64 min
Jul 21, 8:37 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster, York	68 min
Jul 21, 8:43 PM EDT	Severe Thunderstorm Warning	CTP	Bedford	62 min
Jul 21, 8:55 PM EDT	Special Weather Statement	CTP	Union	50 min
Jul 21, 10:21 PM EDT	Special Weather Statement	CTP	York	24 min
Jul 21, 10:25 PM EDT	Special Weather Statement	CTP	Columbia	35 min
Jul 21, 11:48 PM EDT	Special Weather Statement	CTP	Clearfield	27 min
Jul 22, 12:45 AM EDT	Special Weather Statement	CTP	Cameron	45 min
Jul 22, 1:53 AM EDT	Special Weather Statement	CTP	Clinton	52 min
Jul 22, 1:33 PM EDT	Special Weather Statement	CTP	Snyder	27 min
Jul 22, 1:55 PM EDT	Special Weather Statement	CTP	Perry	35 min
Jul 22, 2:09 PM EDT	Special Weather Statement	CTP	Franklin	36 min
Jul 22, 2:26 PM EDT	Special Weather Statement	CTP	Schuylkill	34 min
Jul 22, 2:53 PM EDT	Special Weather Statement	CTP	Adams	37 min
Jul 22, 3:00 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster	60 min
Jul 22, 3:10 PM EDT	Special Weather Statement	CTP	Lebanon	35 min
Jul 22, 3:59 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster, York	61 min
Jul 22, 4:11 PM EDT	Severe Thunderstorm Warning	CTP	Lebanon, Schuylkill	33 min
Jul 22, 6:40 PM EDT	Special Weather Statement	CTP	Cumberland, Perry	50 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2019 Every severe thunderstorm warning in 2019

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.