Alert archive / Pennsylvania / Flash Flood Watches in 2018
Flash Flood Watch 8, NWS State College, PA
NWS State College, PA issued this flash flood watch at Jul 5, 2018, 4:17 AM EDT for 33 counties in Pennsylvania. It took effect at Jul 5, 2018, 12:00 PM EDT. It was in force for 22 hr.
The area
The counties it named.
The facts
- Issued
- Jul 5, 2018, 4:17 AM EDT (08:17 UTC)
- In effect from
- Jul 5, 2018, 12:00 PM EDT
- Expired
- Jul 6, 2018, 10:00 AM EDT
- In force
- 22 hr
- Issued by
- NWS State College, PA
- Flood severity
- None
All 33 counties
Adams County, PA, Bedford County, PA, Blair County, PA, Cambria County, PA, Cameron County, PA, Centre County, PA, Clearfield County, PA, Clinton County, PA, Columbia County, PA, Cumberland County, PA, Dauphin County, PA, Elk County, PA, Franklin County, PA, Fulton County, PA, Huntingdon County, PA, Juniata County, PA, Lancaster County, PA, Lebanon County, PA, Lycoming County, PA, McKean County, PA, Mifflin County, PA, Montour County, PA, Northumberland County, PA, Perry County, PA, Potter County, PA, Schuylkill County, PA, Snyder County, PA, Somerset County, PA, Sullivan County, PA, Tioga County, PA, Union County, PA, Warren County, PA, York County, PA
The radar
The State College radar (KCCX), 43 km from the middle of the area, began a volume at 08:18 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
Pittsburgh, PA (KAGC), launched 00:00Z, 8.3 hours before the alert went out and 219 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
- 1183 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 1641 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- -14 m²/s²
- 0-3 km storm-relative helicity
- -9 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this flash flood watch 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 flash flood watch went out at Jul 4, 11:10 PM EDT, 5 hours 7 minutes earlier.
Area forecast discussion, Jul 4, 11:10 PM EDT, 5 hours 7 minutes before
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</html>Hazardous weather outlook, Jul 5, 4:12 AM EDT, 5 minutes before
Hazardous Weather Outlook National Weather Service State College PA 412 AM EDT Thu Jul 5 2018 PAZ012-017>019-024>028-033>036-041-042-045-046-049>053-056>059-063- 064-060815- Northern Clinton-Clearfield-Northern Centre-Southern Centre-Cambria- Blair-Huntingdon-Mifflin-Juniata-Somerset-Bedford-Fulton-Franklin- Northern Lycoming-Sullivan-Southern Clinton-Southern Lycoming-Union- Snyder-Montour-Northumberland-Columbia-Perry-Dauphin-Schuylkill- Lebanon-Cumberland-Adams- 412 AM EDT Thu Jul 5 2018 ...FLASH FLOOD WATCH IN EFFECT FROM NOON EDT TODAY THROUGH FRIDAY MORNING... This Hazardous Weather Outlook is for central Pennsylvania. .DAY ONE...Today and 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. Strong to severe thunderstorms with gusty winds and small hail are possible this afternoon and also evening. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. 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. .SPOTTER INFORMATION STATEMENT... Spotters are encouraged to report significant hazardous weather. PAZ004>006-010-011-037-060815- Warren-McKean-Potter-Elk-Cameron-Tioga- 412 AM EDT Thu Jul 5 2018 ...FLASH FLOOD WATCH IN EFFECT FROM NOON EDT TODAY THROUGH LATE TONIGHT... This Hazardous Weather Outlook is for central Pennsylvania. .DAY ONE...Today and 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. Strong to severe thunderstorms with gusty winds and small hail are possible this afternoon and also evening. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Spotters are encouraged to report significant hazardous weather. PAZ065-066-060815- York-Lancaster- 412 AM EDT Thu Jul 5 2018 This Hazardous Weather Outlook is for central Pennsylvania. .DAY ONE...Today and Tonight. Heavy rainfall is possible this evening and tonight and could produce minor flooding. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. Heavy rainfall is possible Friday morning and could produce minor flooding. .SPOTTER INFORMATION STATEMENT... Spotters are encouraged to report significant hazardous weather.
In the hours before
Local storm report, Jul 4, 10:25 PM EDT, 5 hours 52 minutes before
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</html>Local storm report, Jul 4, 10:27 PM EDT, 5 hours 50 minutes before
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</html>Local storm report, Jul 4, 10:31 PM EDT, 5 hours 46 minutes before
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<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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If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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</html>The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 5, 10:21 AM EDT | Special Weather Statement | CTP | Cameron | 69 min |
| Jul 5, 11:02 AM EDT | Special Weather Statement | CTP | Cambria | 58 min |
| Jul 5, 12:15 PM EDT | Special Weather Statement | CTP | Cambria | 45 min |
| Jul 5, 12:45 PM EDT | Areal Flood Advisory | CTP | Cambria, Somerset | 3 hr |
| Jul 5, 12:51 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 84 min |
| Jul 5, 1:04 PM EDT | Special Weather Statement | CTP | Huntingdon | 56 min |
| Jul 5, 1:35 PM EDT | Special Weather Statement | CTP | Somerset | 40 min |
| Jul 5, 1:37 PM EDT | Areal Flood Advisory | CTP | Bedford, Blair, Huntingdon | 3 hr |
| Jul 5, 1:46 PM EDT | Areal Flood Advisory | CTP | York | 119 min |
| Jul 5, 2:27 PM EDT | Special Weather Statement | CTP | Warren | 63 min |
| Jul 5, 2:29 PM EDT | Special Weather Statement | CTP | Bedford, Somerset | 46 min |
| Jul 5, 3:02 PM EDT | Special Weather Statement | CTP | Elk | 73 min |
| Jul 5, 3:03 PM EDT | Areal Flood Advisory | CTP | Bedford, Somerset | 3 hr |
| Jul 5, 7:14 PM EDT | Special Weather Statement | CTP | Centre | 46 min |
Nearby
Flash Flood Watches in Pennsylvania, 2018Every flash flood watch in 2018
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.