Alert archive / Pennsylvania / Flash Flood Watches in 2019

Flash Flood Watch 9, NWS State College, PA

June 20, 201933 counties in Pennsylvania

NWS State College, PA issued this flash flood watch at Jun 20, 2019, 4:17 AM EDT for 33 counties in Pennsylvania. It took effect at Jun 20, 2019, 12:00 PM EDT. It was in force for 16 hr.

The area

The counties it named.

The facts

Issued
Jun 20, 2019, 4:17 AM EDT (08:17 UTC)
In effect from
Jun 20, 2019, 12:00 PM EDT
Expired
Jun 21, 2019, 4:00 AM EDT
In force
16 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 08:19 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.

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 Jun 20, 2:38 AM EDT, 1 hour 39 minutes earlier.

Area forecast discussion, Jun 20, 2:38 AM EDT, 1 hour 39 minutes before
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Hazardous weather outlook, Jun 19, 2:24 PM EDT, 13 hours 53 minutes before
Hazardous Weather Outlook
National Weather Service State College PA
224 PM EDT Wed Jun 19 2019

PAZ012-017>019-024>028-033>036-041-042-045-046-049>053-056>059-
063>066-201830-
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-York-Lancaster-
224 PM EDT Wed Jun 19 2019

...FLASH FLOOD WATCH IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...

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.

   Flash Flood Watch.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Severe thunderstorms with damaging winds 60 mph or greater and large
hail exceeding 1 inch in diameter are possible on Thursday. An
isolated weak, short-lived tornado is also possible. Heavy rain is
also expected from some of the storms. This could lead to flash
flooding.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report significant hazardous weather.

PAZ004>006-010-011-037-201830-
Warren-McKean-Potter-Elk-Cameron-Tioga-
224 PM EDT Wed Jun 19 2019

This Hazardous Weather Outlook is for central Pennsylvania.

.DAY ONE...This afternoon and tonight.

The probability for widespread hazardous weather is low.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Severe thunderstorms with damaging winds 60 mph or greater and large
hail exceeding 1 inch in diameter are possible on Thursday. An
isolated weak, short-lived tornado is also possible. Heavy rain is
also expected from some of the storms. This could lead to flash
flooding.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report significant hazardous weather.

Lambert

In the hours before

Local storm report, Jun 19, 10:42 PM EDT, 5 hours 35 minutes before
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Special weather statement, Jun 19, 11:29 PM EDT, 4 hours 48 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 19, 9:04 PM EDTSpecial Weather StatementCTPBedford26 min
Jun 19, 9:12 PM EDTAreal Flood AdvisoryCTPLebanon3 hr
Jun 19, 9:19 PM EDTFlash Flood WarningCTPLebanon3 hr
Jun 19, 9:25 PM EDTAreal Flood AdvisoryCTPBedford, Fulton3 hr
Jun 19, 9:36 PM EDTSevere Thunderstorm WarningCTPBedford, Fulton54 min
Jun 19, 9:50 PM EDTAreal Flood AdvisoryCTPLebanon3 hr
Jun 19, 10:21 PM EDTAreal Flood AdvisoryCTPWarren3 hr
Jun 19, 10:39 PM EDTFlash Flood WarningCTPWarren3 hr
Jun 19, 10:48 PM EDTAreal Flood AdvisoryCTPDauphin, Northumberland3 hr
Jun 19, 10:54 PM EDTAreal Flood AdvisoryCTPFulton3 hr
Jun 19, 11:29 PM EDTSpecial Weather StatementCTPFranklin31 min
Jun 19, 11:50 PM EDTAreal Flood AdvisoryCTPLancaster115 min
Jun 19, 11:51 PM EDTAreal Flood WarningCTPLebanon3 hr
Jun 20, 1:26 AM EDTRiver Flood WarningCTPLebanon, Schuylkill21 hr
Jun 20, 1:41 AM EDTAreal Flood AdvisoryCTPDauphin, Lancaster, Lebanon, Northumberland2 hr
Jun 20, 1:47 AM EDTAreal Flood AdvisoryCTPWarren118 min
Jun 20, 9:51 AM EDTAreal Flood AdvisoryCTPWarren3 hr
Jun 20, 10:51 AM EDTAreal Flood AdvisoryCTPWarren3 hr
Jun 20, 12:22 PM EDTSpecial Weather StatementCTPPotter53 min
Jun 20, 12:55 PM EDTSpecial Weather StatementCTPSullivan35 min
Jun 20, 1:16 PM EDTSpecial Weather StatementCTPLancaster29 min

Nearby

Flash Flood Watches in Pennsylvania, 2019Every flash flood watch in 2019

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.