Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2023
Severe Thunderstorm Warning 122, NWS State College, PA
NWS State College, PA issued this severe thunderstorm warning at Aug 7, 2023, 1:31 PM EDT for Franklin County, Fulton County, Pennsylvania. It was in force for 45 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
- Aug 7, 2023, 1:31 PM EDT (17:31 UTC)
- Expired
- Aug 7, 2023, 2:16 PM EDT
- In force
- 45 min
- Issued by
- NWS State College, PA
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Franklin County, PA, Fulton County, PA
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 7, 1:20 PM EDT | Tornado Watch | SPC | 11 hr |
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 5.5 hours before the alert went out and 117 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.
- Mixed-layer CAPE
- 285 J/kg
- Mixed-layer CIN
- -147 J/kg
- Mixed-layer LCL
- 738 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 28 m²/s²
- 0-3 km storm-relative helicity
- 86 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
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 Aug 7, 1:18 PM EDT, 13 minutes earlier.
Area forecast discussion, Aug 7, 1:18 PM EDT, 13 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, Aug 7, 1:23 PM EDT, 8 minutes before
Hazardous Weather Outlook National Weather Service State College PA 123 PM EDT Mon Aug 7 2023 PAZ006-011-012-017>019-024>028-033>037-041-042-045-046-049>053- 056>059-063>066-081730- Potter-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- 123 PM EDT Mon Aug 7 2023 ...TORNADO WATCH 602 IN EFFECT UNTIL 9 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. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Spotters are encouraged to report significant hazardous weather. PAZ004-005-010-081730- Warren-McKean-Elk- 123 PM EDT Mon Aug 7 2023 This Hazardous Weather Outlook is for central Pennsylvania. .DAY ONE...This afternoon and tonight. A few strong thunderstorms with isolated damaging winds are possible this afternoon. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Spotters are encouraged to report significant hazardous weather. MRS
In the hours before
Special weather statement, Aug 7, 1:04 PM EDT, 27 minutes before
Special Weather Statement National Weather Service State College PA 104 PM EDT Mon Aug 7 2023 PAZ033>036-064-071815- Somerset-Bedford-Fulton-Franklin-Adams- 104 PM EDT Mon Aug 7 2023 ...SEVERE WEATHER EXPECTED TO ARRIVE IN THE SOUTHERN TIER OF CENTRAL PENNSYLVANIA IN THE NEXT HOUR... Severe storms are expected to arrive between 1 and 2 PM this afternoon. There is a significant threat for damaging winds, along with the potential for large hail and a few tornadoes. Stay tuned to NOAA Weather Radio, weather.gov, or other media for watches and warnings. If a Severe Thunderstorm Warning or Tornado Warning is issued for your area, move to a place of safety, ideally in an interior room on the lowest level of a sturdy building. MRS
The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 7, 1:40 PM EDT | Special Weather Statement | CTP | Somerset | 35 min |
| Aug 7, 1:49 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Centre, Huntingdon | 41 min |
| Aug 7, 2:01 PM EDT | Tornado Warning | CTP | Centre, Huntingdon | 29 min |
| Aug 7, 2:04 PM EDT | Severe Thunderstorm Warning | CTP | Franklin, Fulton, Huntingdon | 41 min |
| Aug 7, 2:13 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Somerset | 47 min |
| Aug 7, 2:14 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Franklin | 61 min |
| Aug 7, 2:24 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Huntingdon, Mifflin | 51 min |
| Aug 7, 2:57 PM EDT | Tornado Warning | CTP | Lycoming | 33 min |
| Aug 7, 2:58 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Franklin, Fulton | 47 min |
| Aug 7, 3:02 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Mifflin, Snyder, Union | 43 min |
| Aug 7, 3:11 PM EDT | Severe Thunderstorm Warning | CTP | Adams | 64 min |
| Aug 7, 3:18 PM EDT | Tornado Warning | CTP | Lycoming, Sullivan, Tioga | 27 min |
| Aug 7, 3:29 PM EDT | Areal Flood Advisory | CTP | Lycoming, Sullivan | 91 min |
| Aug 7, 3:31 PM EDT | Special Weather Statement | CTP | Sullivan | 29 min |
| Aug 7, 3:36 PM EDT | Severe Thunderstorm Warning | CTP | Franklin, Fulton | 39 min |
| Aug 7, 3:45 PM EDT | Severe Thunderstorm Warning | CTP | Juniata, Mifflin, Snyder, Union | 45 min |
| Aug 7, 3:46 PM EDT | Tornado Warning | CTP | Lycoming, Sullivan | 29 min |
| Aug 7, 3:55 PM EDT | Areal Flood Advisory | CTP | Mifflin, Snyder, Union | 2 hr |
| Aug 7, 4:05 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Cumberland, Franklin | 70 min |
| Aug 7, 4:06 PM EDT | Severe Thunderstorm Warning | CTP | Montour, Northumberland, Snyder, Union | 39 min |
| Aug 7, 4:16 PM EDT | Tornado Warning | CTP | Sullivan | 44 min |
| Aug 7, 4:34 PM EDT | Areal Flood Advisory | CTP | Montour, Northumberland, Snyder, Union | 3 hr |
| Aug 7, 4:39 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Montour, Northumberland | 51 min |
| Aug 7, 4:40 PM EDT | Severe Thunderstorm Warning | CTP | York | 35 min |
| Aug 7, 4:52 PM EDT | Special Weather Statement | CTP | Lycoming | 38 min |
| Aug 7, 5:00 PM EDT | Tornado Warning | CTP | York | 30 min |
| Aug 7, 5:10 PM EDT | Severe Thunderstorm Warning | CTP | York | 52 min |
| Aug 7, 5:11 PM EDT | Areal Flood Advisory | CTP | Lycoming, Sullivan, Tioga | 2 hr |
| Aug 7, 5:30 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 45 min |
| Aug 7, 5:33 PM EDT | Areal Flood Advisory | CTP | Columbia, Montour, Northumberland | 2 hr |
| Aug 7, 5:39 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Schuylkill | 51 min |
| Aug 7, 5:53 PM EDT | Special Weather Statement | CTP | Lebanon, Schuylkill | 67 min |
| Aug 7, 6:15 PM EDT | Special Weather Statement | CTP | Lancaster | 30 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2023Every 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; the sounding from the Mesonet's radiosonde archive.