Alert archive / Maryland / River Flood Warnings in 2021

River Flood Warning 13, NWS Baltimore/Washington

September 1, 2021Allegany County, Maryland

NWS Baltimore/Washington issued this river flood warning at Sep 1, 2021, 4:13 PM EDT for Allegany County, Maryland. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
Sep 1, 2021, 4:13 PM EDT (20:13 UTC)
Expired
Sep 1, 2021, 10:53 PM EDT
In force
7 hr
Issued by
NWS Baltimore/Washington
Area
Storm-based polygon
Flood severity
Minor

County Allegany County, MD

The radar

The Sterling radar (KLWX), 144 km from the middle of the area, began a volume at 20:15 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 Georges Creek near Franklin/Westernport (WSTM2). The gauge peaked at 9.23 ft at Sep 1, 2021, 3:00 PM EDT.

actionminormoderate51009/0109/0209/03
Action stage
7 ft
Minor stage
9.1 ft
Moderate stage
11.1 ft
Major stage
13.1 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 01599000, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

The text

As transmitted.

494 
WGUS41 KLWX 012013
FLWLWX

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Baltimore MD/Washington DC
413 PM EDT Wed Sep 1 2021

...The National Weather Service in Baltimore MD/Washington DC has 
issued a Flood Warning for the following rivers in Maryland...

  Georges Creek at Westernport affecting Allegany County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Stay tuned to further developments by listening to your local radio, 
television, or NOAA Weather Radio for further information.

Additional information is available at www.weather.gov/washington or 
www.weather.gov/baltimore.

The next statement will be issued late tonight at 415 AM EDT.

&&


MDC001-020815-
/O.NEW.KLWX.FL.W.0013.210901T2013Z-000000T0000Z/
/WSTM2.1.ER.210901T1723Z.210901T1846Z.000000T0000Z.NO/
413 PM EDT Wed Sep 1 2021

The National Weather Service in Sterling Virginia has issued a

* Flood Warning for
  the Georges Creek at Westernport.
* From this afternoon until further notice.
* At 3:31 PM EDT Wednesday the stage was 9.1 feet, or 1.1 feet above 
  flood stage.
* Flood stage is 8.0 feet.
* Minor flooding is occurring.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 3:31 PM EDT Wednesday was 9.4 feet.
* Forecast...No forecast is available for this location.
* Impact...At 9.0 feet, Water begins to overflow out of Georges 
  Creek into low-lying areas of the city of Westernport.
* Flood History...This crest compares to a previous crest of 9.0 
  feet on 02/26/1937.

&&

River Name   Fld      Observed                        Crest       
Location     Stg   Stg  Day/Time  6 hr   12hr   18  Stg Time Date 

Georges Creek
Westernport  8.0   9.1  Wed 3 pm  MSG   MSG   MSG    MSG  unknown 


&&

LAT...LON 3947 7903 3949 7906 3951 7905 3958 7901
      3958 7894 3951 7899 3950 7900

$$

LFR
1 follow-up statement
564 
WGUS81 KLWX 020253
FLSLWX

Flood Statement
National Weather Service Baltimore MD/Washington DC
1053 PM EDT Wed Sep 1 2021

...The Flood Warning is cancelled for the following rivers in 
Maryland...

  Georges Creek at Westernport affecting Allegany County.

MDC001-020400-
/O.CAN.KLWX.FL.W.0013.000000T0000Z-210902T0253Z/
/WSTM2.1.ER.210901T1723Z.210901T1846Z.000000T0000Z.NO/
1053 PM EDT Wed Sep 1 2021

...The Flood Warning for the Georges Creek at Westernport has been 
cancelled...

The Flood Warning is cancelled for
  the Georges Creek at Westernport.
* At 9:45 PM EDT Wednesday the stage was 6.1 feet, or 1.9 feet below 
  flood stage.
* Flood stage is 8.0 feet.
* Forecast...No forecast is available for this location.

&&

River Name   Fld      Observed                        Crest       
Location     Stg   Stg  Day/Time  6 hr   12hr   18  Stg Time Date 

Georges Creek
Westernport  8.0   6.1  Wed 9 pm  MSG   MSG   MSG    MSG  unknown 


&&

LAT...LON 3947 7903 3949 7906 3951 7905 3958 7901
      3958 7894 3951 7899 3950 7900

$$

JMG

The office that day

Everything else NWS Baltimore/Washington issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 31, 9:06 PM EDTCoastal Flood WatchLWXAnne Arundel22 hr
Aug 31, 9:36 PM EDTRiver Flood WarningLWXWashington68 hr
Aug 31, 9:44 PM EDTRiver Flood WatchLWXFrederick25 hr
Aug 31, 9:44 PM EDTRiver Flood WatchLWXMontgomery48 hr
Aug 31, 9:44 PM EDTRiver Flood WatchLWXWashington25 hr
Aug 31, 9:44 PM EDTRiver Flood WatchLWXMontgomery25 hr
Sep 1, 3:23 AM EDTAreal Flood WarningLWXMontgomery8 hr
Sep 1, 3:24 AM EDTSevere Thunderstorm WarningLWXMontgomery, Prince George's51 min
Sep 1, 3:50 AM EDTAreal Flood WarningLWXMontgomery, Prince George's6 hr
Sep 1, 4:00 AM EDTSevere Thunderstorm WarningLWXAnne Arundel, Prince George's60 min
Sep 1, 4:10 AM EDTAreal Flood WarningLWXAnne Arundel, Baltimore, Howard, City of Baltimore6 hr
Sep 1, 4:34 AM EDTAreal Flood WarningLWXMontgomery6 hr
Sep 1, 4:39 AM EDTAreal Flood WarningLWXAnne Arundel, Baltimore, Howard, City of Baltimore5 hr
Sep 1, 4:50 AM EDTSevere Thunderstorm WarningLWXAnne Arundel, Baltimore, City of Baltimore40 min
Sep 1, 5:41 AM EDTAreal Flood WarningLWXCecil, Harford5 hr
Sep 1, 6:15 AM EDTAreal Flood WarningLWXCecil5 hr
Sep 1, 8:39 AM EDTFlash Flood WarningLWXAllegany, Garrett5 hr
Sep 1, 10:14 AM EDTCoastal Flood AdvisoryLWXAnne Arundel, Baltimore, Calvert, Cecil, Harford, Saint Mary's and 1 more19 hr
Sep 1, 12:52 PM EDTAreal Flood WarningLWXAllegany22 hr
Sep 1, 1:11 PM EDTTornado WarningLWXCharles, Prince George's34 min
Sep 1, 1:23 PM EDTTornado WarningLWXCharles17 min
Sep 1, 1:30 PM EDTAreal Flood WarningLWXCarroll, Frederick, Washington27 hr
Sep 1, 1:31 PM EDTTornado WarningLWXCharles, Saint Mary's29 min
Sep 1, 1:46 PM EDTAreal Flood WarningLWXAllegany, Garrett16 hr
Sep 1, 1:56 PM EDTTornado WarningLWXAnne Arundel, Prince George's34 min
Sep 1, 2:12 PM EDTTornado WarningLWXBaltimore33 min
Sep 1, 2:23 PM EDTTornado WarningLWXBaltimore15 min
Sep 1, 2:26 PM EDTFlash Flood Warning Considerable damage threatLWXCarroll, Frederick6 hr
Sep 1, 2:26 PM EDTTornado WarningLWXBaltimore, Harford14 min
Sep 1, 2:27 PM EDTTornado Warning Tornado observedLWXAnne Arundel15 min
Sep 1, 2:48 PM EDTTornado Warning Tornado observedLWXBaltimore, Harford27 min
Sep 1, 3:10 PM EDTTornado WarningLWXBaltimore16 min
Sep 1, 3:17 PM EDTTornado WarningLWXHarford28 min
Sep 1, 3:25 PM EDTFlash Flood Warning Considerable damage threatLWXCarroll, Frederick5 hr
Sep 1, 3:34 PM EDTFlash Flood Warning Considerable damage threatLWXCecil, Harford3 hr
Sep 1, 3:36 PM EDTWind AdvisoryLWXAllegany, Carroll, Frederick, Washington7 hr
Sep 1, 3:49 PM EDTTornado WarningLWXCecil, Harford26 min
Sep 1, 4:13 PM EDTRiver Flood WatchLWXCecil7 hr
Sep 1, 4:14 PM EDTRiver Flood WarningLWXAllegany9 hr
Sep 1, 4:37 PM EDTAreal Flood WarningLWXBaltimore, Carroll, Harford13 hr
Sep 1, 5:46 PM EDTTornado WarningLWXCecil29 min
Sep 1, 6:08 PM EDTAreal Flood WarningLWXCecil, Harford17 hr
Sep 1, 6:12 PM EDTTornado WarningLWXCecil19 min
Sep 1, 7:03 PM EDTCoastal Flood WarningLWXAnne Arundel8 hr
Sep 1, 7:27 PM EDTAreal Flood WarningLWXAllegany, Washington15 hr
Sep 1, 7:59 PM EDTAreal Flood WarningLWXCarroll, Frederick2 hr

Nearby

River Flood Warnings in Maryland, 2021Every river flood warning in 2021

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.