Severe Thunderstorm Warning 251, NWS State College, PA

Issued

Aug 18, 2021, 7:30 PM EDT (23:30 UTC)

Expired

Aug 18, 2021, 8:15 PM EDT

In force

45 min

Issued by

NWS State College, PA

Area

Storm-based polygon

Tornado

Possible

Hail

0.75 in

Wind

60.0 mph

Counties Lancaster County, PA, York County, PA

The Dover AFB radar (KDOX), 142 km from the middle of the area, began a volume at 23:34 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.

842 
WUUS51 KCTP 182330
SVRCTP
PAC071-133-190015-
/O.NEW.KCTP.SV.W.0251.210818T2330Z-210819T0015Z/

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

The National Weather Service in State College PA has issued a

* Severe Thunderstorm Warning for...
  Lancaster County in south central Pennsylvania...
  Southeastern York County in south central Pennsylvania...

* Until 815 PM EDT.

* At 730 PM EDT, severe thunderstorms were located along a line
  extending from Mount Joy to Wrightsville to Yoe to near Codorus to
  near Parkville, moving east at 40 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Severe thunderstorms will be near...
  East Petersburg, Manheim, Millersville, Columbia, Mountville, 
  Salunga-Landisville and Wrightsville around 740 PM EDT.
  Willow Street, Lititz, Lancaster, Rothsville, Safe Harbor, Brogue 
  and Brickerville around 750 PM EDT.
  Ephrata, Akron, Shenks Ferry, Bareville, Leola, Leacock, Reamstown 
  and Denver around 800 PM EDT.
  New Holland, Strasburg, Terre Hill, Paradise, Smithville, 
  Sunnyburn, Churchtown, Holtwood, Gap and Adamstown around 810 PM 
  EDT.

Other locations impacted by these severe thunderstorms include Buck,
East Prospect, Bowmansville, Peach Bottom, Rawlinsville, Fawn Grove,
Goodville, Glenville, Loganville and Blue Ball.

This includes the following Interstates...
 The Pennsylvania Turnpike from mile markers 283 to 295.
 Interstate 83 from mile markers 0 to 15.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3976 7700 3981 7687 3999 7660 4018 7659
      4025 7605 4014 7587 4010 7594 4004 7594
      3996 7599 3987 7599 3985 7602 3981 7603
      3973 7610 3974 7611 3972 7614 3972 7700
TIME...MOT...LOC 2330Z 261DEG 34KT 4012 7651 4000 7651 3993 7663 3983
7678 3976 7694

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.