A strong coastal low developed near the Tidewater of Virginia and moved quickly northward across New Jersey and up the Hudson Valley in New York. This system produced heavy rain (1-4) and gusty winds across much of central Pennsylvania.
Every event with a place to put it; 2 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS CTP wrote it up.
A strong coastal low developed near the Tidewater of Virginia and moved quickly northward across New Jersey and up the Hudson Valley in New York. This system produced heavy rain (1-4) and gusty winds across much of central Pennsylvania. Particularly strong winds were briefly observed in the Lower Susquehanna Valley between 11:30pm on 10/29 and 12:30am on 10/30, when gusts of 50-70+ mph were observed.
The local office's own words before the first event, 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 the first event at Oct 29, 10:37 PM EST, 17 minutes earlier.
<!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 National Weather Service State College PA 433 PM EDT Sun Oct 29 2017 PAZ037-041-042-046-302045- Tioga-Northern Lycoming-Sullivan-Southern Lycoming- 433 PM EDT Sun Oct 29 2017 ...FLASH FLOOD WATCH IN EFFECT THROUGH MONDAY MORNING... ...WIND ADVISORY IN EFFECT FROM 2 AM TO 2 PM EDT MONDAY... This Hazardous Weather Outlook is for central Pennsylvania. .DAY ONE...Tonight. Please listen to NOAA Weather Radio or go to weather.gov/StateCollege on the internet for more information about the following hazards. Flash Flood Watch. Wind Advisory. .DAYS TWO THROUGH SEVEN...Monday through Saturday. Please listen to NOAA Weather Radio or go to weather.gov/StateCollege on the internet for more information about the following hazards. Flash Flood Watch. Wind Advisory. Streams and rivers will experience significant rises into Tuesday. Smaller streams and creeks are most susceptible to flooding and may spill out of their banks into adjacent fields and secondary roads. Minor, localized flooding of poor drainage and low lying areas is also possible especially where leaves have blocked storm drains. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. PAZ004>006-010>012-017>019-024>028-033>036-045-049>053-056>059- 063>066-302045- Warren-McKean-Potter-Elk-Cameron-Northern Clinton-Clearfield- Northern Centre-Southern Centre-Cambria-Blair-Huntingdon-Mifflin- Juniata-Somerset-Bedford-Fulton-Franklin-Southern Clinton-Union- Snyder-Montour-Northumberland-Columbia-Perry-Dauphin-Schuylkill- Lebanon-Cumberland-Adams-York-Lancaster- 433 PM EDT Sun Oct 29 2017 ...WIND ADVISORY IN EFFECT FROM 2 AM TO 2 PM EDT MONDAY... This Hazardous Weather Outlook is for central Pennsylvania. .DAY ONE...Tonight. Please listen to NOAA Weather Radio or go to weather.gov/StateCollege on the internet for more information about the following hazards. Wind Advisory. .DAYS TWO THROUGH SEVEN...Monday through Saturday. Please listen to NOAA Weather Radio or go to weather.gov/StateCollege on the internet for more information about the following hazards. Wind Advisory. Streams and rivers will experience significant rises into Tuesday. Smaller streams and creeks are most susceptible to minor flooding and may spill out of their banks into adjacent fields and secondary roads. Minor, localized flooding of poor drainage and low lying areas is also possible especially where leaves have blocked storm drains. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time.
The national radar mosaic for the moment the first event began.
2 high wind. Local standard time, as filed.
High winds were briefly observed in the Lower Susquehanna Valley between 11:30pm on 10/29 and 12:30am on 10/30. The ASOS at Fort Indiantown Gap (KMUI) recorded a gust of 70 mph. Numerous trees and power lines were reported down across northern Lebanon County.
High winds were briefly observed in the Lower Susquehanna Valley between 11:30pm on 10/29 and 12:30am on 10/30. Trees and wires were reported down across northern Dauphin County, and a large barn/building in Grantville collapsed in the wind. Route 209 was closed between Lykens and Williamstown due to downed trees and wires.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Pennsylvania in 2017Every state in 2017This day in weather historyWarnings in Pennsylvania, October 2017
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 721470, 721688.