Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 73, NWS State College, PA

June 16, 2022Franklin County, Pennsylvania

NWS State College, PA issued this severe thunderstorm warning at Jun 16, 2022, 3:04 PM EDT for Franklin County, Pennsylvania. It was in force for 27 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
Jun 16, 2022, 3:04 PM EDT (19:04 UTC)
Expired
Jun 16, 2022, 3:31 PM EDT
In force
27 min
Issued by
NWS State College, PA
Area
Storm-based polygon
Tornado
Possible
Hail
1.0 in
Wind
60.0 mph

County Franklin County, PA

The radar

The Sterling radar (KLWX), 108 km from the middle of the area, began a volume at 19:07 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.

IssuedProductOfficeLasted
Jun 16, 2:43 PM EDTTornado WatchSPC8 hr

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 7.1 hours before the alert went out and 209 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Pittsburgh, PA at 12:00Z on 2022-06-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1836 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 12:00Z on 2022-06-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 46 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1836 J/kg
Mixed-layer CIN
-43 J/kg
Mixed-layer LCL
1114 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
46 m²/s²
0-3 km storm-relative helicity
119 m²/s²
Significant tornado parameter
0.3
Supercell composite
1.5

Open this sounding in Storm Lab

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 Jun 16, 2:22 PM EDT, 42 minutes earlier.

Area forecast discussion, Jun 16, 2:22 PM EDT, 42 minutes before
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>
Hazardous weather outlook, Jun 16, 2:59 PM EDT, 5 minutes before
Hazardous Weather Outlook
National Weather Service State College PA
259 PM EDT Thu Jun 16 2022

PAZ004>006-010>012-017>019-024>028-033>037-041-042-045-046-049>053-
056>059-063>066-171900-
Warren-McKean-Potter-Elk-Cameron-Northern Clinton-Clearfield-
Northern Centre-Southern Centre-Cambria-Blair-Huntingdon-Mifflin-
Juniata-Somerset-Bedford-Fulton-Franklin-Tioga-Northern Lycoming-
Sullivan-Southern Clinton-Southern Lycoming-Union-Snyder-Montour-
Northumberland-Columbia-Perry-Dauphin-Schuylkill-Lebanon-Cumberland-
Adams-York-Lancaster-
259 PM EDT Thu Jun 16 2022

...TORNADO WATCH 376 IN EFFECT UNTIL 11 PM EDT THIS EVENING...

This Hazardous Weather Outlook is for central Pennsylvania.

.DAY ONE...This afternoon and tonight.

Please listen to NOAA Weather Radio or go to
weather.gov/StateCollege on the internet for more
information about the following hazards.

   Tornado Watch.

Severe thunderstorms with damaging winds 60 mph or greater and
large hail exceeding 1 inch in diameter are probable this afternoon
and will linger into tonight. A few tornadoes are also possible.

Have multiple ways to receive weather warnings today and tonight and
have a safety and sheltering plan prepared.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report significant hazardous weather.

In the hours before

Special weather statement, Jun 16, 12:33 PM EDT, 2 hours 31 minutes before
Special Weather Statement
National Weather Service State College PA
1233 PM EDT Thu Jun 16 2022

PAZ026-027-161700-
Huntingdon PA-Mifflin PA-
1233 PM EDT Thu Jun 16 2022

...A STRONG THUNDERSTORM WILL IMPACT CENTRAL HUNTINGDON AND
SOUTHWESTERN MIFFLIN COUNTIES THROUGH 100 PM EDT...

At 1232 PM EDT, Doppler radar was tracking a strong thunderstorm near
Huntingdon, moving east at 30 mph.

HAZARD...Wind gusts of 50 to 55 mph and penny size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor hail damage to vegetation
         possible.

This storm will remain over mainly rural areas of central Huntingdon
and southwestern Mifflin Counties, including the following
locations... Mapleton, Mill Creek, Kistler, Newton Hamilton and
Shirleysburg.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4040 7812 4047 7804 4045 7767 4038 7775
      4027 7771 4026 7771 4023 7774
TIME...MOT...LOC 1632Z 281DEG 26KT 4042 7794

MAX HAIL SIZE...0.75 IN
MAX WIND GUST...55 MPH

Dangelo
Special weather statement, Jun 16, 12:58 PM EDT, 2 hours 6 minutes before
Special Weather Statement
National Weather Service State College PA
1258 PM EDT Thu Jun 16 2022

PAZ035-036-161715-
Fulton PA-Franklin PA-
1258 PM EDT Thu Jun 16 2022

...A STRONG THUNDERSTORM WILL IMPACT WEST CENTRAL FRANKLIN AND EAST
CENTRAL FULTON COUNTIES THROUGH 115 PM EDT...

At 1256 PM EDT, Doppler radar was tracking a strong thunderstorm 5
miles northwest of McConnellsburg, moving east at 30 mph.

HAZARD...Wind gusts up to 50 mph and penny size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor hail damage to vegetation
         possible.

Locations impacted include...
McConnellsburg, Harrisonville and Fort Loudon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 3993 7810 3999 7809 4006 7782 3987 7781
TIME...MOT...LOC 1656Z 264DEG 26KT 3997 7803

MAX HAIL SIZE...0.75 IN
MAX WIND GUST...50 MPH

Dangelo

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 16, 3:04 AM EDTSpecial Weather StatementCTPSchuylkill56 min
Jun 16, 4:19 AM EDTSpecial Weather StatementCTPSchuylkill56 min
Jun 16, 5:16 AM EDTSpecial Weather StatementCTPLancaster44 min
Jun 16, 5:36 AM EDTSpecial Weather StatementCTPLycoming54 min
Jun 16, 8:00 AM EDTSpecial Weather StatementCTPLebanon30 min
Jun 16, 8:30 AM EDTSpecial Weather StatementCTPLancaster30 min
Jun 16, 9:01 AM EDTSpecial Weather StatementCTPLancaster14 min
Jun 16, 9:04 AM EDTSevere Thunderstorm WarningCTPLancaster26 min
Jun 16, 12:33 PM EDTSpecial Weather StatementCTPHuntingdon27 min
Jun 16, 12:58 PM EDTSpecial Weather StatementCTPFulton17 min
Jun 16, 1:53 PM EDTSevere Thunderstorm WarningCTPFranklin, Fulton40 min
Jun 16, 2:10 PM EDTSevere Thunderstorm WarningCTPFranklin, Fulton50 min
Jun 16, 2:46 PM EDTSevere Thunderstorm WarningCTPWarren74 min
Jun 16, 3:47 PM EDTSevere Thunderstorm Warning Considerable damage threatCTPWarren43 min
Jun 16, 4:25 PM EDTSevere Thunderstorm Warning Considerable damage threatCTPCameron, Elk80 min
Jun 16, 5:08 PM EDTSpecial Weather StatementCTPClinton22 min
Jun 16, 5:19 PM EDTTornado WarningCTPElk26 min
Jun 16, 5:30 PM EDTSpecial Weather StatementCTPClinton45 min
Jun 16, 5:39 PM EDTSevere Thunderstorm Warning Considerable damage threatCTPCameron, Centre, Clearfield, Clinton36 min
Jun 16, 5:44 PM EDTSpecial Weather StatementCTPClearfield31 min
Jun 16, 5:54 PM EDTSevere Thunderstorm WarningCTPClinton, Lycoming36 min
Jun 16, 6:00 PM EDTSevere Thunderstorm Warning Considerable damage threatCTPCentre, Clinton60 min
Jun 16, 6:04 PM EDTSpecial Weather StatementCTPCentre41 min
Jun 16, 6:17 PM EDTSevere Thunderstorm Warning Destructive damage threatCTPCentre28 min
Jun 16, 6:21 PM EDTSpecial Weather StatementCTPUnion39 min
Jun 16, 6:42 PM EDTSevere Thunderstorm WarningCTPCentre, Clinton33 min
Jun 16, 7:02 PM EDTSpecial Weather StatementCTPCentre28 min
Jun 16, 7:15 PM EDTSpecial Weather StatementCTPMifflin45 min
Jun 16, 7:26 PM EDTSevere Thunderstorm WarningCTPCentre, Mifflin, Snyder49 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2022Every severe thunderstorm warning in 2022

Sources

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