Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 137, NWS State College, PA

July 25, 2022Warren County, Pennsylvania

NWS State College, PA issued this severe thunderstorm warning at Jul 25, 2022, 1:32 AM EDT for Warren County, Pennsylvania. It was in force for 43 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
Jul 25, 2022, 1:32 AM EDT (05:32 UTC)
Expired
Jul 25, 2022, 2:15 AM 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

County Warren County, PA

The radar

The Buffalo radar (KBUF), 134 km from the middle of the area, began a volume at 05:35 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 nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 5.5 hours before the alert went out and 133 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, Buffalo Intl Airport, NY at 00:00Z on 2022-07-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1086 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, Buffalo Intl Airport, NY at 00:00Z on 2022-07-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 71 square meters per square second.19395878Sfc1 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
1086 J/kg
Mixed-layer CIN
-31 J/kg
Mixed-layer LCL
1232 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
71 m²/s²
0-3 km storm-relative helicity
129 m²/s²
Significant tornado parameter
0.4
Supercell composite
4.8

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 Jul 24, 6:32 PM EDT, 7 hours earlier.

Area forecast discussion, Jul 24, 6:32 PM EDT, 7 hours before
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Hazardous weather outlook, Jul 24, 7:23 PM EDT, 6 hours 9 minutes before
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</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.
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In the hours before

Local storm report, Jul 24, 7:43 PM EDT, 5 hours 49 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>
Local storm report, Jul 24, 7:51 PM EDT, 5 hours 41 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>

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 24, 8:03 PM EDTSpecial Weather StatementCTPElk42 min
Jul 24, 9:16 PM EDTSpecial Weather StatementCTPPotter29 min
Jul 24, 9:47 PM EDTSpecial Weather StatementCTPPotter28 min
Jul 24, 10:23 PM EDTSpecial Weather StatementCTPTioga52 min
Jul 25, 12:08 AM EDTSpecial Weather StatementCTPWarren37 min
Jul 25, 12:43 AM EDTSevere Thunderstorm WarningCTPWarren77 min
Jul 25, 12:48 AM EDTTornado WarningCTPWarren27 min
Jul 25, 1:42 AM EDTSpecial Weather StatementCTPMcKean33 min
Jul 25, 2:06 AM EDTSpecial Weather StatementCTPElk, McKean54 min
Jul 25, 3:38 AM EDTSpecial Weather StatementCTPElk37 min
Jul 25, 7:55 AM EDTSpecial Weather StatementCTPMifflin35 min
Jul 25, 8:00 AM EDTSevere Thunderstorm WarningCTPCentre, Clinton, Huntingdon, Mifflin, Snyder, Union45 min
Jul 25, 8:20 AM EDTSpecial Weather StatementCTPBlair, Huntingdon, Juniata, Perry40 min
Jul 25, 8:48 AM EDTSpecial Weather StatementCTPJuniata, Northumberland, Snyder42 min
Jul 25, 8:49 AM EDTSpecial Weather StatementCTPJuniata, Northumberland, Snyder41 min
Jul 25, 9:08 AM EDTSpecial Weather StatementCTPBedford, Huntingdon, Somerset37 min
Jul 25, 9:43 AM EDTSpecial Weather StatementCTPPerry17 min
Jul 25, 9:46 AM EDTSpecial Weather StatementCTPSchuylkill14 min
Jul 25, 9:48 AM EDTSpecial Weather StatementCTPCumberland42 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.