Alert archive / Maryland / River Flood Warnings in 2018

River Flood Warning 86, NWS Baltimore/Washington

September 13, 2018Washington County, Maryland

NWS Baltimore/Washington issued this river flood warning at Sep 13, 2018, 5:02 PM EDT for Washington County, Maryland. It took effect at Sep 13, 2018, 5:35 PM EDT. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Sep 13, 2018, 5:02 PM EDT (21:02 UTC)
In effect from
Sep 13, 2018, 5:35 PM EDT
Expired
Sep 14, 2018, 12:01 AM EDT
In force
6 hr
Issued by
NWS Baltimore/Washington
Area
Storm-based polygon
Flood severity
Minor

County Washington County, MD

The radar

The Sterling radar (KLWX), 75 km from the middle of the area, began a volume at 21:05 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 Conococheague Creek at Fairview (FAVM2). The gauge peaked at 10.57 ft at Sep 13, 2018, 8:00 PM EDT.

actionminormoderate68101209/1309/1409/15
Action stage
8 ft
Minor stage
10 ft
Moderate stage
12 ft
Major stage
15 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 01614500, 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 Baltimore/Washington issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 13, 2:48 AM EDTCoastal Flood WatchLWXArlington, King George, City of Alexandria, City of Falls Church59 hr
Sep 13, 4:32 AM EDTSmall Craft AdvisoryLWX41 hr
Sep 13, 2:37 PM EDTCoastal Flood AdvisoryLWXArlington, City of Alexandria, City of Falls Church61 hr
Sep 13, 8:36 AM EDTCoastal Flood AdvisoryLWXHarford16 hr
Sep 13, 2:17 PM EDTAreal Flood WarningLWXWashington6 hr
Sep 13, 2:37 PM EDTCoastal Flood WarningLWXAnne Arundel, Saint Mary's53 hr

Nearby

River Flood Warnings in Maryland, 2018Every 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.