Severe Thunderstorm Warning 250, NWS State College, PA

Issued

Aug 18, 2021, 6:47 PM EDT (22:47 UTC)

Expired

Aug 18, 2021, 7:30 PM EDT

In force

43 min

Issued by

NWS State College, PA

Area

Storm-based polygon

Tornado

Possible

Hail

0.75 in

Wind

60.0 mph

Counties Adams County, PA, Dauphin County, PA, Lancaster County, PA, Lebanon County, PA, Schuylkill County, PA, York County, PA

The State College radar (KCCX), 141 km from the middle of the area, began a volume at 22:50 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.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

784 
WUUS51 KCTP 182247
SVRCTP
PAC001-043-071-075-107-133-182330-
/O.NEW.KCTP.SV.W.0250.210818T2247Z-210818T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service State College PA
647 PM EDT Wed Aug 18 2021

The National Weather Service in State College PA has issued a

* Severe Thunderstorm Warning for...
  Northwestern Lancaster County in south central Pennsylvania...
  Southeastern Adams County in south central Pennsylvania...
  Southwestern Schuylkill County in central Pennsylvania...
  York County in south central Pennsylvania...
  Dauphin County in south central Pennsylvania...
  Lebanon County in south central Pennsylvania...

* Until 730 PM EDT.

* At 646 PM EDT, severe thunderstorms were located along a line
  extending from near New Buffalo to near Dehart Dam to Linglestown
  to Highspire to near Emigsville to Spring Grove to Hanover to near
  Taneytown, moving northeast at 35 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Severe thunderstorms will be near...
  Middletown, York, Hummelstown, Linglestown, Weigelstown, Colonial 
  Park, Steelton, Progress, Emigsville and Skyline View around 650 
  PM EDT.
  Spry, Hershey, Elizabethtown, Tyler Run-Queens Gate, Valley View, 
  Fort Indiantown Gap, Penn National Race Course, East York, 
  Grantley and Bainbridge around 700 PM EDT.
  Mount Joy, Palmyra, Yorkana, Lickdale, Maytown, Jacobus, Rheems, 
  Yorklyn, Harper Tavern and Marietta around 710 PM EDT.
  Dallastown, Cornwall, Lebanon, Red Lion, Columbia, Annville, 
  Lebanon South, Salunga-Landisville, Yoe and Quentin around 720 PM 
  EDT.

Other locations impacted by these severe thunderstorms include York
Haven, Ravine, Three Mile Island, East Prospect, Mount Gretna,
Glenville, Newtown, Ono, Schoeneck and Loganville.

This includes the following Interstates...
 The Pennsylvania Turnpike from mile markers 243 to 281.
 Interstate 78 from mile markers 0 to 8.
 Interstate 81 from mile markers 69 to 113.
 Interstate 83 between mile markers 2 and 37...and from mile markers
44 to 50.
 Interstate 283 from mile markers 0 to 2.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 800 PM EDT for south central
and central Pennsylvania.

For your protection move to an interior room on the lowest floor of a
building.

Very heavy rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3972 7715 3978 7708 3985 7692 3999 7686
      4032 7686 4039 7691 4049 7695 4062 7684
      4073 7650 4061 7621 4054 7617 4049 7644
      4032 7615 4021 7616 3991 7632 3980 7646
      3972 7673
TIME...MOT...LOC 2246Z 247DEG 30KT 4044 7693 4043 7682 4035 7677 4021
7676 4002 7677 3989 7683 3982 7699 3963 7723

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Jurewicz

Severe Thunderstorm Warnings in Pennsylvania, 2021Every severe thunderstorm warning in 2021

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