Alert archive / Pennsylvania / River Flood Watches in 2011

River Flood Watch 2, NWS Pittsburgh, PA

February 23, 2011Allegheny County, Washington County, Westmoreland County, Pennsylvania

NWS Pittsburgh, PA issued this river flood watch at Feb 23, 2011, 11:20 AM EST for Allegheny County, Washington County, Westmoreland County, Pennsylvania. It took effect at Feb 26, 2011, 1:00 AM EST. It was in force for .

The area

The counties it named.

The facts

Issued
Feb 23, 2011, 11:20 AM EST (16:20 UTC)
In effect from
Feb 26, 2011, 1:00 AM EST
Expired
Feb 25, 2011, 10:30 AM EST
In force
Issued by
NWS Pittsburgh, PA
Flood severity
None

Counties Allegheny County, PA, Washington County, PA, Westmoreland County, PA

The radar

The Pittsburgh radar (KPBZ), 36 km from the middle of the area, began a volume at 16:24 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 Elizabeth Lock and Dam (ELZP1). The gauge peaked at 16.60 ft at Feb 26, 2011, 3:00 AM EST.

actionminormoderate152002/2302/2402/2502/26
Action stage
16.5 ft
Minor stage
20 ft
Moderate stage
23 ft
Major stage
26 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 03075070, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 23, 10:29 AM ESTFlood WatchPBZAllegheny, Armstrong, Beaver, Butler, Fayette, Greene and 4 more50 hr
Feb 23, 11:05 AM ESTRiver Flood AdvisoryPBZAllegheny3 days
Feb 23, 11:20 AM ESTRiver Flood WatchPBZFayette, Washington, Westmoreland47 hr
Feb 23, 11:20 AM ESTRiver Flood WatchPBZFayette47 hr

Nearby

River Flood Watches in Pennsylvania, 2011Every river flood watch in 2011

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.