Severe Thunderstorm Warning 242, NWS State College, PA

Issued

Aug 18, 2021, 4:05 PM EDT (20:05 UTC)

Expired

Aug 18, 2021, 4:45 PM EDT

In force

40 min

Issued by

NWS State College, PA

Area

Storm-based polygon

Tornado

Possible

Hail

0.75 in

Wind

60.0 mph

Counties Franklin County, PA, Fulton County, PA

The State College radar (KCCX), 104 km from the middle of the area, began a volume at 20:09 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.

538 
WUUS51 KCTP 182005
SVRCTP
PAC055-057-182045-
/O.NEW.KCTP.SV.W.0242.210818T2005Z-210818T2045Z/

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

The National Weather Service in State College PA has issued a

* Severe Thunderstorm Warning for...
  Central Franklin County in south central Pennsylvania...
  Southeastern Fulton County in south central Pennsylvania...

* Until 445 PM EDT.

* At 404 PM EDT, a severe thunderstorm was located over Big Cove
  Tannery, moving northeast at 40 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* This severe thunderstorm will be near...
  Fort Loudon, Mercersburg and McConnellsburg around 410 PM EDT.
  St. Thomas around 420 PM EDT.
  Chambersburg, Fannettsburg and Willow Hill around 430 PM EDT.
  Upper Strasburg and Roxbury around 440 PM EDT.

Other locations impacted by this severe thunderstorm include Orrstown
and Williamson.

This includes the following Interstates...
 The Pennsylvania Turnpike near mile marker 184...and from mile
markers 187 to 196.
 Interstate 81 from mile markers 15 to 24.

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 this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3986 7816 4008 7789 4006 7787 4014 7782
      4020 7774 3999 7751 3972 7800
TIME...MOT...LOC 2004Z 228DEG 35KT 3984 7801 

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.