Alert archive / Pennsylvania / Special Weather Statements in 2017
Special Weather Statement, NWS State College, PA
NWS State College, PA issued this special weather statement at Jul 24, 2017, 2:15 PM EDT for Blair 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 outline as issued.
The facts
- Issued
- Jul 24, 2017, 2:15 PM EDT (18:15 UTC)
- Expired
- Jul 24, 2017, 3:00 PM EDT
- In force
- 45 min
- Issued by
- NWS State College, PA
County Blair County, PA
The radar
The State College radar (KCCX), 54 km from the middle of the area, began a volume at 18:16 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
Washington/Dulle, VA (KIAD), launched 12:00Z, 6.3 hours before the alert went out and 210 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
- 57 J/kg
- Mixed-layer CIN
- -164 J/kg
- Mixed-layer LCL
- 1219 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- -82 m²/s²
- 0-3 km storm-relative helicity
- 17 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement 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 special weather statement went out at Jul 24, 12:02 PM EDT, 2 hours 13 minutes earlier.
Area forecast discussion, Jul 24, 12:02 PM EDT, 2 hours 13 minutes before
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<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.
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</html>Hazardous weather outlook, Jul 24, 8:04 AM EDT, 6 hours 11 minutes before
Hazardous Weather Outlook National Weather Service State College PA 804 AM EDT Mon Jul 24 2017 PAZ006-011-012-018-019-026>028-036-037-041-042-045-046-049>053- 056>059-063>066-251215- Potter-Cameron-Northern Clinton-Northern Centre-Southern Centre- Huntingdon-Mifflin-Juniata-Franklin-Tioga-Northern Lycoming-Sullivan- Southern Clinton-Southern Lycoming-Union-Snyder-Montour- Northumberland-Columbia-Perry-Dauphin-Schuylkill-Lebanon-Cumberland- Adams-York-Lancaster- 804 AM EDT Mon Jul 24 2017 This Hazardous Weather Outlook is for central Pennsylvania. .DAY ONE...Today and Tonight. Strong to severe thunderstorms with gusty winds and hail are possible this afternoon. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. PAZ004-005-010-017-024-025-033>035-251215- Warren-McKean-Elk-Clearfield-Cambria-Blair-Somerset-Bedford-Fulton- 804 AM EDT Mon Jul 24 2017 This Hazardous Weather Outlook is for central Pennsylvania. .DAY ONE...Today and Tonight. The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time.
In the hours before
Local storm report, Jul 24, 11:43 AM EDT, 2 hours 32 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1143 AM EDT MON JUL 24 2017
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0350 PM TSTM WND DMG 2 NNW DOANE 41.60N 77.35W
07/23/2017 TIOGA PA 911 CALL CENTER
TREES DOWN IN MORRIS TOWNSHIP
0645 PM FLASH FLOOD DOVER 40.00N 76.85W
07/23/2017 YORK PA 911 CALL CENTER
NUMEROUS ROADS IMPASSABLE DUE TO FLOODING
0650 PM FLASH FLOOD CLIFTON 40.23N 76.72W
07/23/2017 DAUPHIN PA 911 CALL CENTER
FLOODED CARS AND STREET FLOODING ON MIDDLETOWN ROAD
0655 PM FLASH FLOOD HARRISBURG 40.28N 76.88W
07/23/2017 DAUPHIN PA 911 CALL CENTER
CAR SUBMERGED ON THE WOOD STREET UNDERPASS
0658 PM FLASH FLOOD NEW FREEDOM 39.74N 76.70W
07/23/2017 YORK PA 911 CALL CENTER
FRONT STREET FLOODED AND IMPASSABLE
0703 PM FLASH FLOOD MIDDLETOWN 40.20N 76.73W
07/23/2017 DAUPHIN PA 911 CALL CENTER
WIDESPREAD ROAD FLOODING AND CARS FLOODED
0706 PM FLASH FLOOD OAKMONT 40.25N 76.69W
07/23/2017 DAUPHIN PA 911 CALL CENTER
WALTONVILLE ROAD IMPASSABLE DUE TO FLOODING
0714 PM FLASH FLOOD 1 NNW HIGHSPIRE 40.22N 76.79W
07/23/2017 DAUPHIN PA 911 CALL CENTER
PERSONS TRAPPED IN HOME DUE TO FLOODING
0720 PM FLASH FLOOD GREENWOOD HILLS 40.22N 76.78W
07/23/2017 DAUPHIN PA 911 CALL CENTER
LUMBER STREET IMPASSABLE DUE TO FLOODING
0725 PM FLASH FLOOD LEBANON 40.34N 76.42W
07/23/2017 LEBANON PA 911 CALL CENTER
WIDESPREAD ROADS FLOODED AND IMPASSABLE COUNTYWIDE
0736 PM FLASH FLOOD 1 NNW ROYALTON 40.19N 76.73W
07/23/2017 DAUPHIN PA 911 CALL CENTER
ENTRAPMENT RESCUE DUE TO FLOODING AT 149 WILSON STREET
0800 PM FLASH FLOOD SHREWSBURY 39.77N 76.68W
07/23/2017 YORK PA TRAINED SPOTTER
ROUTE 851 IN RAILROAD BOROUGH IMPASSABLE DUE TO
FLOODING
1220 AM FLASH FLOOD 1 E DEXTER 41.72N 77.37W
07/24/2017 TIOGA PA 911 CALL CENTER
ROUTE 660 FLOODED
1220 AM FLASH FLOOD 1 ENE PITTS 41.75N 77.25W
07/24/2017 TIOGA PA 911 CALL CENTER
ROUTE 6 FLOODED
&&
EVENT NUMBER CTP1701296 CTP1701291 CTP1701287 CTP1701286 CTP1701290
CTP1701288 CTP1701289 CTP1701292 CTP1701293 CTP1701294 CTP1701295
CTP1701297 CTP1701298 CTP1701299
PAHSpecial weather statement, Jul 24, 2:11 PM EDT, 4 minutes before
Special Weather Statement National Weather Service State College PA 211 PM EDT MON JUL 24 2017 PAZ017>019-241845- Northern Centre PA-Clearfield PA-Southern Centre PA- 211 PM EDT MON JUL 24 2017 ...A STRONG THUNDERSTORM WILL AFFECT PARTS OF CLEARFIELD AND CENTRE COUNTIES UNTIL 245 PM EDT... At 210 PM EDT, Doppler radar indicated a strong thunderstorm over Lecontes Mills, moving east at 30 mph. Winds in excess of 40 mph are possible. Locations impacted include... Bellefonte, Lecontes Mills, Pine Glen, Snow Shoe, Milesburg, Moshannon, Clarence, Grassflat and Unionville. LAT...LON 4107 7831 4113 7828 4106 7769 4085 7778 TIME...MOT...LOC 1810Z 287DEG 24KT 4109 7827 DeVoir
Special weather statement, Jul 24, 2:15 PM EDT, 0 minutes before
Special Weather Statement
National Weather Service State College PA
215 PM EDT MON JUL 24 2017
PAZ024-025-241900-
Blair PA-Cambria PA-
215 PM EDT MON JUL 24 2017
...A STRONG THUNDERSTORM WILL AFFECT PARTS OF BLAIR AND CAMBRIA
COUNTIES UNTIL 300 PM EDT...
At 215 PM EDT, Doppler radar indicated a strong thunderstorm near
Hastings, moving southeast at 30 mph.
Winds in excess of 40 mph are possible.
Locations impacted include...
Altoona, Blandburg, Prince Gallitzin State Park, Bellwood, Tipton,
Delgrosso's Amusement Park and Penn State Altoona.
LAT...LON 4072 7873 4073 7848 4065 7823 4047 7833
4056 7847 4055 7847 4056 7848 4071 7872
TIME...MOT...LOC 1815Z 294DEG 25KT 4074 7866
DeVoirThe office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 23, 8:07 PM EDT | Areal Flood Advisory | CTP | Columbia, Lycoming, Montour, Northumberland | 3 hr |
| Jul 23, 8:35 PM EDT | Areal Flood Advisory | CTP | Elk | 3 hr |
| Jul 23, 9:15 PM EDT | Areal Flood Advisory | CTP | Snyder, Union | 3 hr |
| Jul 23, 9:24 PM EDT | Areal Flood Warning | CTP | Dauphin | 6 hr |
| Jul 23, 9:30 PM EDT | Areal Flood Advisory | CTP | Cameron, Potter, Tioga | 3 hr |
| Jul 23, 10:09 PM EDT | Flash Flood Warning | CTP | Cameron, Potter, Tioga | 4 hr |
| Jul 23, 10:36 PM EDT | Areal Flood Advisory | CTP | Somerset | 3 hr |
| Jul 23, 10:49 PM EDT | Areal Flood Advisory | CTP | Columbia, Lycoming, Montour, Northumberland | 4 hr |
| Jul 23, 10:58 PM EDT | Areal Flood Warning | CTP | Dauphin, Northumberland | 6 hr |
| Jul 23, 11:33 PM EDT | Areal Flood Advisory | CTP | McKean | 4 hr |
| Jul 23, 11:38 PM EDT | Areal Flood Advisory | CTP | Clinton, Lycoming | 3 hr |
| Jul 24, 12:50 AM EDT | Areal Flood Advisory | CTP | York | 115 min |
| Jul 24, 2:32 AM EDT | Areal Flood Advisory | CTP | Columbia, Lycoming, Montour, Northumberland, Sullivan, Tioga and 1 more | 3 hr |
| Jul 24, 2:43 AM EDT | Areal Flood Advisory | CTP | Clinton | 5 hr |
| Jul 24, 5:28 AM EDT | Areal Flood Advisory | CTP | Columbia, Lycoming, Montour, Northumberland, Sullivan, Union | 2 hr |
| Jul 24, 2:11 PM EDT | Special Weather Statement | CTP | Centre | 34 min |
| Jul 24, 2:40 PM EDT | Areal Flood Advisory | CTP | Clinton, Lycoming | 3 hr |
| Jul 24, 2:56 PM EDT | Special Weather Statement | CTP | Blair | 49 min |
| Jul 24, 3:14 PM EDT | Special Weather Statement | CTP | Montour | 46 min |
| Jul 24, 3:17 PM EDT | Special Weather Statement | CTP | Montour | 58 min |
| Jul 24, 3:29 PM EDT | Tornado Warning | CTP | Columbia, Montour, Northumberland | 46 min |
| Jul 24, 3:58 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Montour, Northumberland, Union | 62 min |
| Jul 24, 4:15 PM EDT | Areal Flood Advisory | CTP | Columbia, Montour, Northumberland, Union | 3 hr |
| Jul 24, 4:42 PM EDT | Flash Flood Warning | CTP | Columbia, Montour, Northumberland, Union | 3 hr |
| Jul 24, 4:56 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Northumberland, Schuylkill | 64 min |
| Jul 24, 5:37 PM EDT | Special Weather Statement | CTP | Schuylkill | 23 min |
| Jul 24, 6:52 PM EDT | Special Weather Statement | CTP | York | 38 min |
Nearby
Special Weather Statements in Pennsylvania, 2017Every special weather statement in 2017
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.