Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 154, NWS State College, PA

September 7, 2023Centre County, Huntingdon County, Mifflin County, Pennsylvania

NWS State College, PA issued this severe thunderstorm warning at Sep 7, 2023, 1:28 PM EDT for Centre County, Huntingdon County, Mifflin County, Pennsylvania. It was in force for 47 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: Sep 7, 2023, 1:28 PM EDT (17:28 UTC)
Expired: Sep 7, 2023, 2:15 PM EDT
In force: 47 min
Issued by: NWS State College, PA
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Centre County, PA, Huntingdon County, PA, Mifflin County, PA

The radar

The State College radar (KCCX), 35 km from the middle of the area, began a volume at 17:29 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.

Issued	Product	Office	Lasted
Sep 7, 1:14 PM EDT	Severe Thunderstorm Watch	SPC	8 hr

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 Sep 7, 12:49 PM EDT, 39 minutes earlier.

Area forecast discussion, Sep 7, 12:49 PM EDT, 39 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, Sep 7, 4:13 AM EDT, 9 hours 15 minutes before

Hazardous Weather Outlook
National Weather Service State College PA
413 AM EDT Thu Sep 7 2023

PAZ004>006-010-011-017-024-033-080815-
Warren-McKean-Potter-Elk-Cameron-Clearfield-Cambria-Somerset-
413 AM EDT Thu Sep 7 2023

This Hazardous Weather Outlook is for central Pennsylvania.

.DAY ONE...Today and tonight.

Strong to severe thunderstorms with gusty winds are possible today.

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

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

PAZ012-018-019-025>028-034>037-041-042-045-046-049>053-056-063-064-
080815-
Northern Clinton-Northern Centre-Southern Centre-Blair-Huntingdon-
Mifflin-Juniata-Bedford-Fulton-Franklin-Tioga-Northern Lycoming-
Sullivan-Southern Clinton-Southern Lycoming-Union-Snyder-Montour-
Northumberland-Columbia-Perry-Cumberland-Adams-
413 AM EDT Thu Sep 7 2023

This Hazardous Weather Outlook is for central Pennsylvania.

.DAY ONE...Today and tonight.

Severe thunderstorms with damaging winds and large hail are possible
this afternoon through the first half of the night. Brief heavy rain
from thunderstorms may lead to minor flooding issues.

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

Strong to severe thunderstorms are possible Friday afternoon and
evening. Heavy rain from thunderstorms may lead to flooding issues
on Friday and Saturday.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report significant hazardous weather.

PAZ057>059-065-066-080815-
Dauphin-Schuylkill-Lebanon-York-Lancaster-
413 AM EDT Thu Sep 7 2023

This Hazardous Weather Outlook is for central Pennsylvania.

.DAY ONE...Today and tonight.

Severe thunderstorms with damaging winds and large hail are possible
this afternoon through the first half of the night. Brief heavy rain
from thunderstorms may lead to minor flooding issues.

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

Severe thunderstorms with damaging winds and large hail are possible
Friday afternoon and evening. Heavy rain from thunderstorms may lead
to flooding issues.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report significant hazardous weather.

In the hours before

Special weather statement, Sep 7, 12:01 PM EDT, 1 hour 27 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>

Special weather statement, Sep 7, 1:00 PM EDT, 28 minutes before

Special Weather Statement
National Weather Service State College PA
100 PM EDT Thu Sep 7 2023

PAZ017>019-071730-
Northern Centre PA-Clearfield PA-Southern Centre PA-
100 PM EDT Thu Sep 7 2023

...A STRONG THUNDERSTORM WILL IMPACT SOUTHEASTERN CLEARFIELD AND
SOUTHWESTERN CENTRE COUNTIES THROUGH 130 PM EDT...

At 100 PM EDT, Doppler radar was tracking a strong thunderstorm near
Tyrone, moving northeast at 25 mph.

HAZARD...Wind gusts of 50 to 55 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Philipsburg, Stormstown, Osceola Mills, Chester Hill, North
Philipsburg, Port Matilda, South Philipsburg, Sandy Ridge, Julian,
Black Moshannon State Park, Morrisdale, Grassflat, Kylertown and
Unionville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4104 7820 4091 7787 4073 7808 4074 7811
      4074 7828 4079 7832
TIME...MOT...LOC 1700Z 210DEG 23KT 4082 7817

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...55 MPH

CTP

Special weather statement, Sep 7, 1:17 PM EDT, 11 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>

Special weather statement, Sep 7, 1:18 PM EDT, 10 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>

Special weather statement, Sep 7, 1:24 PM EDT, 4 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, Sep 7, 1:26 PM EDT, 2 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.

Issued	Product	Office	Counties	Lasted
Sep 7, 11:20 AM EDT	Special Weather Statement	CTP	Bedford	40 min
Sep 7, 12:01 PM EDT	Special Weather Statement	CTP	Fulton	44 min
Sep 7, 12:21 PM EDT	Severe Thunderstorm Warning	CTP	Bedford, Fulton, Huntingdon	39 min
Sep 7, 12:57 PM EDT	Severe Thunderstorm Warning	CTP	Huntingdon, Mifflin	48 min
Sep 7, 1:00 PM EDT	Special Weather Statement	CTP	Centre	30 min
Sep 7, 1:17 PM EDT	Special Weather Statement	CTP	Clinton	28 min
Sep 7, 1:18 PM EDT	Special Weather Statement	CTP	Perry	42 min
Sep 7, 1:21 PM EDT	Severe Thunderstorm Warning	CTP	Cumberland, Juniata, Perry	39 min
Sep 7, 1:24 PM EDT	Special Weather Statement	CTP	Franklin	36 min
Sep 7, 1:48 PM EDT	Severe Thunderstorm Warning	CTP	Dauphin, Perry	42 min
Sep 7, 1:52 PM EDT	Severe Thunderstorm Warning	CTP	Juniata, Mifflin, Snyder	53 min
Sep 7, 1:54 PM EDT	Special Weather Statement	CTP	Juniata	36 min
Sep 7, 2:00 PM EDT	Special Weather Statement	CTP	Cumberland	30 min
Sep 7, 2:04 PM EDT	Special Weather Statement	CTP	Adams	26 min
Sep 7, 2:05 PM EDT	Special Weather Statement	CTP	Clinton	25 min
Sep 7, 2:11 PM EDT	Special Weather Statement	CTP	Clinton	34 min
Sep 7, 2:15 PM EDT	Severe Thunderstorm Warning	CTP	Cumberland, Juniata, Perry	45 min
Sep 7, 2:18 PM EDT	Special Weather Statement	CTP	Lycoming	27 min
Sep 7, 2:25 PM EDT	Special Weather Statement	CTP	Snyder	35 min
Sep 7, 2:29 PM EDT	Special Weather Statement	CTP	Adams	31 min
Sep 7, 2:32 PM EDT	Severe Thunderstorm Warning	CTP	Dauphin, Northumberland, Perry, Snyder	58 min
Sep 7, 2:34 PM EDT	Severe Thunderstorm Warning	CTP	Clinton, Lycoming	41 min
Sep 7, 2:35 PM EDT	Special Weather Statement	CTP	Snyder	25 min
Sep 7, 2:44 PM EDT	Special Weather Statement	CTP	Lycoming	46 min
Sep 7, 2:46 PM EDT	Special Weather Statement	CTP	Carbon	29 min
Sep 7, 2:55 PM EDT	Severe Thunderstorm Warning	CTP	Cumberland, Perry	35 min
Sep 7, 2:57 PM EDT	Severe Thunderstorm Warning	CTP	Lycoming	48 min
Sep 7, 2:59 PM EDT	Severe Thunderstorm Warning	CTP	Dauphin, Perry	46 min
Sep 7, 3:11 PM EDT	Severe Thunderstorm Warning	CTP	Adams	38 min
Sep 7, 3:20 PM EDT	Special Weather Statement	CTP	York	25 min
Sep 7, 3:30 PM EDT	Severe Thunderstorm Warning	CTP	Columbia, Schuylkill	45 min
Sep 7, 3:33 PM EDT	Severe Thunderstorm Warning	CTP	Dauphin, Lebanon, Schuylkill, York	42 min
Sep 7, 3:37 PM EDT	Special Weather Statement	CTP	Columbia, Montour	38 min
Sep 7, 3:42 PM EDT	Severe Thunderstorm Warning	CTP	Adams, Dauphin, Lancaster, York	48 min
Sep 7, 3:46 PM EDT	Special Weather Statement	CTP	Tioga	44 min
Sep 7, 3:58 PM EDT	Severe Thunderstorm Warning	CTP	Columbia, Lycoming, Sullivan	47 min
Sep 7, 4:20 PM EDT	Special Weather Statement	CTP	Schuylkill	40 min
Sep 7, 4:22 PM EDT	Severe Thunderstorm Warning	CTP	Dauphin, Lancaster, Lebanon, York	53 min
Sep 7, 4:32 PM EDT	Special Weather Statement	CTP	Warren	28 min
Sep 7, 4:41 PM EDT	Severe Thunderstorm Warning	CTP	Columbia, Lebanon, Schuylkill	49 min
Sep 7, 5:01 PM EDT	Severe Thunderstorm Warning	CTP	Schuylkill	44 min
Sep 7, 5:11 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster, York	34 min
Sep 7, 5:23 PM EDT	Special Weather Statement	CTP	Adams	37 min
Sep 7, 5:37 PM EDT	Severe Thunderstorm Warning	CTP	Adams, York	23 min
Sep 7, 5:59 PM EDT	Special Weather Statement	CTP	York	31 min
Sep 7, 6:16 PM EDT	Severe Thunderstorm Warning	CTP	York	44 min
Sep 7, 6:44 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster, York	73 min
Sep 7, 7:01 PM EDT	Special Weather Statement	CTP	Lebanon	14 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2023 Every severe thunderstorm warning in 2023

Sources

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