Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 27, NWS State College, PA

May 23, 2024Schuylkill County, Pennsylvania

NWS State College, PA issued this severe thunderstorm warning at May 23, 2024, 7:41 AM EDT for Schuylkill County, Pennsylvania. It was in force for 34 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
May 23, 2024, 7:41 AM EDT (11:41 UTC)
Expired
May 23, 2024, 8:15 AM EDT
In force
34 min
Issued by
NWS State College, PA
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Schuylkill County, PA

The radar

The State College radar (KCCX), 152 km from the middle of the area, began a volume at 11:42 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

Albany, NY (KALY), launched 00:00Z, 11.7 hours before the alert went out and 296 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, Albany, NY at 00:00Z on 2024-05-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 599 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, Albany, NY at 00:00Z on 2024-05-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 121 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
599 J/kg
Mixed-layer CIN
-46 J/kg
Mixed-layer LCL
2061 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
121 m²/s²
0-3 km storm-relative helicity
171 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 May 23, 7:32 AM EDT, 9 minutes earlier.

Area forecast discussion, May 23, 7:32 AM EDT, 9 minutes before
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Hazardous weather outlook, May 23, 5:10 AM EDT, 2 hours 31 minutes before
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In the hours before

Local storm report, May 23, 5:28 AM EDT, 2 hours 13 minutes before
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Local storm report, May 23, 5:44 AM EDT, 1 hour 57 minutes before
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Local storm report, May 23, 6:32 AM EDT, 1 hour 9 minutes before
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Local storm report, May 23, 6:58 AM EDT, 43 minutes before
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Special weather statement, May 23, 7:09 AM EDT, 32 minutes before
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      <p id="message2">
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      <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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Local storm report, May 23, 7:33 AM EDT, 8 minutes before
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      <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.
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      <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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The office that day

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

IssuedProductOfficeCountiesLasted
May 23, 12:34 AM EDTSpecial Weather StatementCTPWarren56 min
May 23, 3:27 AM EDTSpecial Weather StatementCTPBlair, Cambria63 min
May 23, 4:51 AM EDTSpecial Weather StatementCTPCentre54 min
May 23, 5:01 AM EDTSevere Thunderstorm WarningCTPCentre, Huntingdon, Mifflin44 min
May 23, 5:26 AM EDTSpecial Weather StatementCTPColumbia49 min
May 23, 5:35 AM EDTSevere Thunderstorm Warning Considerable damage threatCTPCentre, Juniata, Mifflin, Snyder, Union40 min
May 23, 6:08 AM EDTSevere Thunderstorm WarningCTPColumbia, Montour, Northumberland, Snyder, Union52 min
May 23, 6:47 AM EDTSevere Thunderstorm WarningCTPColumbia, Montour, Northumberland, Schuylkill43 min
May 23, 7:09 AM EDTSpecial Weather StatementCTPSchuylkill66 min
May 23, 7:32 AM EDTAreal Flood AdvisoryCTPColumbia, Dauphin, Lebanon, Montour, Northumberland, Schuylkill and 2 more3 hr

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2024Every severe thunderstorm warning in 2024

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.