Alert archive / Pennsylvania / River Flood Warnings in 2018

River Flood Warning 52, NWS Pittsburgh, PA

September 9, 2018Fayette County, Washington County, Westmoreland County, Pennsylvania

NWS Pittsburgh, PA issued this river flood warning at Sep 9, 2018, 5:12 PM EDT for Fayette County, Washington County, Westmoreland County, Pennsylvania. It took effect at Sep 9, 2018, 11:43 PM EDT. It was in force for 38 hr.

The area

The counties it named.

The facts

Issued: Sep 9, 2018, 5:12 PM EDT (21:12 UTC)
In effect from: Sep 9, 2018, 11:43 PM EDT
Expired: Sep 11, 2018, 1:37 PM EDT
In force: 38 hr
Issued by: NWS Pittsburgh, PA
Area: Storm-based polygon
Flood severity: Moderate

Counties Fayette County, PA, Washington County, PA, Westmoreland County, PA

The radar

The Pittsburgh radar (KPBZ), 57 km from the middle of the area, began a volume at 21:13 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 river

Written for the forecast point Monongahela River at Charleroi Lock and Dam (CHRP1). The gauge peaked at 30.13 ft at Sep 10, 2018, 9:00 PM EDT.

Action stage: 22.6 ft
Minor stage: 28 ft
Moderate stage: 31 ft
Major stage: 35 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 03075000, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

What forecasters said that day

The local office's own words before this river flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Pittsburgh, PA wrote its last area forecast discussion before this river flood warning went out at Sep 9, 4:08 PM EDT, 1 hour 4 minutes earlier.

Area forecast discussion, Sep 9, 4:08 PM EDT, 1 hour 4 minutes before

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Hazardous weather outlook, Sep 9, 3:29 AM EDT, 13 hours 43 minutes before

Hazardous Weather Outlook
National Weather Service Pittsburgh PA
329 AM EDT Sun Sep 9 2018

MDZ001-OHZ039>041-048>050-057>059-068-069-PAZ007>009-013>016-020>023-
029-031-073>076-WVZ001>004-012-021-509>514-100730-
Garrett-Tuscarawas-Carroll-Columbiana-Coshocton-Harrison-Jefferson-
Muskingum-Guernsey-Belmont-Noble-Monroe-Mercer-Venango-Forest-
Lawrence-Butler-Clarion-Beaver-Allegheny-Armstrong-Indiana-
Washington-Greene-Westmoreland-Westmoreland Ridges-Fayette-
Fayette Ridges-Hancock-Brooke-Ohio-Marshall-Wetzel-Marion-Monongalia-
Ridges of Eastern Monongalia and Northwestern Preston-Preston-
Eastern Preston-Western Tucker-Eastern Tucker-
329 AM EDT Sun Sep 9 2018

...FLOOD WATCH IN EFFECT THROUGH MONDAY EVENING...

This Hazardous Weather Outlook is for western Maryland, east
central Ohio, northwest Pennsylvania, southwest Pennsylvania, west
central Pennsylvania, western Pennsylvania, northern West Virginia
and northern panhandle of West Virginia.

.DAY ONE...Today and Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Flood Watch.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Flood Watch.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Local storm report, Sep 9, 4:40 PM EDT, 32 minutes before

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Local storm report, Sep 9, 4:42 PM EDT, 30 minutes before

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Local storm report, Sep 9, 4:58 PM EDT, 14 minutes before

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Local storm report, Sep 9, 5:00 PM EDT, 12 minutes before

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Local storm report, Sep 9, 5:06 PM EDT, 6 minutes before

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Local storm report, Sep 9, 5:07 PM EDT, 5 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 9, 9:29 AM EDT	Areal Flood Warning	PBZ	Fayette, Greene	6 hr
Sep 9, 10:40 AM EDT	Areal Flood Warning	PBZ	Allegheny, Washington, Westmoreland	5 hr
Sep 9, 11:04 AM EDT	River Flood Watch	PBZ	Fayette, Greene	12 hr
Sep 9, 11:04 AM EDT	River Flood Watch	PBZ	Fayette, Greene	12 hr
Sep 9, 11:58 AM EDT	Areal Flood Warning	PBZ	Allegheny, Beaver, Washington, Westmoreland	3 hr
Sep 9, 12:05 PM EDT	Areal Flood Warning	PBZ	Washington	3 hr
Sep 9, 3:00 PM EDT	Areal Flood Warning	PBZ	Allegheny, Armstrong, Beaver, Butler, Indiana, Washington and 1 more	18 hr
Sep 9, 3:05 PM EDT	Areal Flood Warning	PBZ	Fayette, Greene, Washington, Westmoreland	18 hr
Sep 9, 3:05 PM EDT	River Flood Warning	PBZ	Indiana, Westmoreland	40 hr
Sep 9, 3:48 PM EDT	River Flood Warning	PBZ	Fayette, Greene	28 hr
Sep 9, 3:48 PM EDT	River Flood Warning	PBZ	Fayette, Greene	28 hr
Sep 9, 3:48 PM EDT	River Flood Warning	PBZ	Fayette	44 hr
Sep 9, 4:15 PM EDT	Areal Flood Warning	PBZ	Armstrong, Beaver, Butler, Clarion, Indiana, Jefferson and 2 more	18 hr
Sep 9, 5:12 PM EDT	River Flood Warning	PBZ	Allegheny	46 hr
Sep 9, 5:12 PM EDT	River Flood Warning	PBZ	Allegheny, Washington, Westmoreland	50 hr
Sep 9, 5:12 PM EDT	River Flood Warning	PBZ	Allegheny	46 hr
Sep 9, 5:12 PM EDT	River Flood Warning	PBZ	Allegheny, Westmoreland	44 hr
Sep 9, 3:13 AM EDT	Areal Flood Warning	PBZ	Preston	3 hr
Sep 9, 5:10 AM EDT	Areal Flood Advisory	PBZ	Marion, Monongalia	39 min
Sep 9, 5:48 AM EDT	Areal Flood Warning	PBZ	Marion, Monongalia, Preston	6 hr

Nearby

River Flood Warnings in Pennsylvania, 2018 Every river flood warning 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; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.