Alert archive / Pennsylvania / River Flood Warnings in 2015

River Flood Warning 8, NWS Pittsburgh, PA

March 4, 2015Allegheny County, Pennsylvania

NWS Pittsburgh, PA issued this river flood warning at Mar 4, 2015, 3:10 PM EST for Allegheny County, Pennsylvania. It took effect at Mar 5, 2015, 4:54 AM EST. It was in force for 13 hr.

The area

The counties it named.

The facts

Issued: Mar 4, 2015, 3:10 PM EST (20:10 UTC)
In effect from: Mar 5, 2015, 4:54 AM EST
Expired: Mar 5, 2015, 5:40 PM EST
In force: 13 hr
Issued by: NWS Pittsburgh, PA
Area: Storm-based polygon
Flood severity: Minor

County Allegheny County, PA

The radar

The Pittsburgh radar (KPBZ), 21 km from the middle of the area, began a volume at 20:12 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 Braddock Lock and Dam (BDDP1).

Action stage: 18.2 ft
Minor stage: 22 ft
Moderate stage: 23 ft
Major stage: 24 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 03085000, 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 Mar 4, 2:23 PM EST, 47 minutes earlier.

Area forecast discussion, Mar 4, 2:23 PM EST, 47 minutes before

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Hazardous weather outlook, Mar 4, 2:18 PM EST, 52 minutes before

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In the hours before

Local storm report, Mar 4, 9:40 AM EST, 5 hours 30 minutes before

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Local storm report, Mar 4, 9:41 AM EST, 5 hours 29 minutes before

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Local storm report, Mar 4, 9:42 AM EST, 5 hours 28 minutes before

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Local storm report, Mar 4, 10:07 AM EST, 5 hours 3 minutes before

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Local storm report, Mar 4, 10:50 AM EST, 4 hours 20 minutes before

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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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Local storm report, Mar 4, 11:24 AM EST, 3 hours 46 minutes before

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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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The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 3, 8:11 PM EST	Areal Flood Advisory	PBZ	Armstrong, Indiana, Jefferson	12 hr
Mar 3, 9:11 PM EST	River Flood Warning	PBZ	Fayette, Washington, Westmoreland	54 hr
Mar 3, 9:11 PM EST	River Flood Warning	PBZ	Allegheny, Washington, Westmoreland	54 hr
Mar 3, 10:33 PM EST	Areal Flood Advisory	PBZ	Fayette, Greene	14 hr
Mar 4, 3:47 AM EST	Winter Storm Warning	PBZ	Fayette	36 hr
Mar 4, 3:47 AM EST	Winter Weather Advisory	PBZ	Allegheny, Fayette, Greene, Washington, Westmoreland	32 hr
Mar 4, 6:58 AM EST	Areal Flood Warning	PBZ	Westmoreland	12 hr
Mar 4, 8:01 AM EST	Areal Flood Warning	PBZ	Washington	9 hr
Mar 4, 8:46 AM EST	Areal Flood Warning	PBZ	Greene	9 hr
Mar 4, 10:58 AM EST	River Flood Warning	PBZ	Fayette	18 hr
Mar 4, 10:58 AM EST	River Flood Warning	PBZ	Allegheny, Westmoreland	20 hr
Mar 4, 12:35 PM EST	Areal Flood Advisory	PBZ	Fayette	6 hr
Mar 4, 3:05 PM EST	River Flood Warning	PBZ	Fayette, Greene	20 hr
Mar 4, 3:05 PM EST	River Flood Warning	PBZ	Fayette, Greene	20 hr
Mar 4, 8:08 AM EST	Areal Flood Warning	PBZ	Belmont	9 hr
Mar 4, 8:59 AM EST	Areal Flood Warning	PBZ	Noble	12 hr
Mar 4, 12:28 PM EST	Areal Flood Advisory	PBZ	Monroe	5 hr
Mar 3, 9:11 PM EST	River Flood Warning	PBZ	Preston	35 hr
Mar 4, 4:47 AM EST	Areal Flood Warning	PBZ	Monongalia	12 hr
Mar 4, 5:46 AM EST	Areal Flood Warning	PBZ	Marshall	14 hr
Mar 4, 7:49 AM EST	Areal Flood Warning	PBZ	Marion	6 hr
Mar 4, 8:44 AM EST	Areal Flood Warning	PBZ	Preston	12 hr
Mar 4, 9:08 AM EST	Areal Flood Warning	PBZ	Hancock	9 hr
Mar 4, 10:11 AM EST	Areal Flood Advisory	PBZ	Monongalia	3 hr
Mar 4, 10:32 AM EST	Areal Flood Warning	PBZ	Monongalia	6 hr
Mar 4, 1:37 PM EST	Areal Flood Advisory	PBZ	Marion	3 hr

Nearby

River Flood Warnings in Pennsylvania, 2015 Every river flood warning in 2015

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.