Severe Thunderstorm Warning 245, NWS State College, PA

Issued

Aug 18, 2021, 5:18 PM EDT (21:18 UTC)

Expired

Aug 18, 2021, 6:03 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 Juniata County, PA, Mifflin County, PA

The State College radar (KCCX), 47 km from the middle of the area, began a volume at 21:16 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.

541 
WUUS51 KCTP 182118
SVRCTP
PAC067-087-182230-
/O.NEW.KCTP.SV.W.0245.210818T2118Z-210818T2230Z/

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

The National Weather Service in State College PA has issued a

* Severe Thunderstorm Warning for...
  Mifflin County in central Pennsylvania...
  Northwestern Juniata County in central Pennsylvania...

* Until 630 PM EDT.

* At 518 PM EDT, a severe thunderstorm was located near Blacklog,
  moving northeast at 25 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Lewistown, Burnham, Belleville, Milroy, Highland Park, Yeagertown,
  Mcalisterville, Strodes Mills, Reedsville, Juniata Terrace,
  Allensville, Alfarata, Reeds Gap State Park, Blacklog, Belltown,
  Walnut, Mifflintown, Port Royal, Mifflin and Maitland.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain alert for a possible tornado! Tornadoes can develop quickly 
from severe thunderstorms. If you spot a tornado go at once into the 
basement or small central room in a sturdy structure.

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.

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

&&

LAT...LON 4048 7784 4050 7781 4055 7784 4061 7779
      4067 7770 4069 7769 4068 7769 4077 7757
      4085 7736 4070 7735 4067 7715 4045 7755
      4040 7772
TIME...MOT...LOC 2118Z 224DEG 21KT 4049 7769 

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

$$

Colbert

606 
WWUS51 KCTP 182148
SVSCTP

Severe Weather Statement
National Weather Service State College PA
548 PM EDT Wed Aug 18 2021

PAC067-087-182230-
/O.CON.KCTP.SV.W.0245.000000T0000Z-210818T2230Z/
Mifflin PA-Juniata PA-
548 PM EDT Wed Aug 18 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EDT
FOR NORTHEASTERN MIFFLIN AND NORTH CENTRAL JUNIATA COUNTIES...

At 548 PM EDT, a severe thunderstorm was located over Burnham, moving
northeast at 25 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Lewistown, Burnham, Milroy, Highland Park, Yeagertown,
Mcalisterville, Reedsville, Alfarata, Belltown, Reeds Gap State Park,
Mifflintown, Mifflin, Maitland, Barrville, Wagner and Siglerville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

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

&&

LAT...LON 4051 7745 4059 7754 4061 7763 4062 7777
      4065 7773 4067 7770 4069 7769 4068 7769
      4077 7757 4085 7736 4070 7735 4067 7715
TIME...MOT...LOC 2148Z 224DEG 21KT 4062 7753 

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

$$

Colbert

024 
WWUS51 KCTP 182203
SVSCTP

Severe Weather Statement
National Weather Service State College PA
603 PM EDT Wed Aug 18 2021

PAC067-087-182212-
/O.CAN.KCTP.SV.W.0245.000000T0000Z-210818T2230Z/
Mifflin PA-Juniata PA-
603 PM EDT Wed Aug 18 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN MIFFLIN AND NORTH
CENTRAL JUNIATA COUNTIES IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled.

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

LAT...LON 4051 7745 4059 7754 4061 7763 4062 7777
      4065 7773 4067 7770 4069 7769 4068 7769
      4077 7757 4085 7736 4070 7735 4067 7715
TIME...MOT...LOC 2201Z 224DEG 21KT 4068 7745 

$$

Colbert

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.