National Weather Service Weather Forecast Office

• Home
• Site Map
• News
• Organization
• Search for: NWS All NOAA 

178
FGUS51 KRHA 231450
RVFPOT

RIVER STAGE FORECAST
NATIONAL WEATHER SERVICE
MIDDLE ATLANTIC RIVER FORECAST CENTER, STATE COLLEGE, PA
0950 AM EST Mon Nov 23 2020
:
:   Potomac River Forecasts for Washington D.C.
:
:--------------------------------------------------------------------
:Georgetown/Wisconsin Avenue - Tidal Potomac River
:CS=5.5, FS=6.0, Moderate FS=7.0, Major FS=10.0
:
.ER GTND2 201123 Z DC2011231450/DH13/HMIFF/DIH1
.E1    2.26/2.10/2.43/3.08/3.81/4.17/4.23/4.23/
.E2    4.07/3.41/2.69/2.20/1.80/1.54/1.38/1.48/
.E3    2.17/2.85/3.28/3.28/3.02/2.53/1.90/1.41/
.E4    1.02/0.75/0.59/0.62/1.12/1.87/2.39/2.66/
.E5    2.69/2.56/2.10/1.44/0.95/0.62/0.46/0.59/
.E6    1.02/1.71/2.30/2.66/2.82/2.69/2.33/1.77/
.E7    1.25/0.89/0.69/0.59/0.82/1.51/2.33/2.82/
.E8    3.02/2.99/2.76/2.36/1.74/1.25/0.92/0.75/
.E9    0.82/1.38/2.20/2.76/3.12/3.28/3.15/2.59
:--------------------------------------------------------------------
:Southwest Waterfront - Tidal Washington Channel
:CS=3.7, FS=4.2 Moderate FS=5.3 Major FS=7.0
:
.ER WASD2 201123 Z DC2011231450/DH13/HMIFF/DIH1
.E1    1.28/1.15/1.54/2.23/2.95/3.38/3.44/3.44/
.E2    3.25/2.59/1.90/1.38/1.02/0.75/0.59/0.72/
.E3    1.38/2.07/2.46/2.49/2.20/1.71/1.08/0.59/
.E4    0.23/-0.07/-0.20/-0.13/0.36/1.08/1.61/1.84/
.E5    1.90/1.74/1.28/0.66/0.16/-0.16/-0.33/-0.20/
.E6    0.26/0.92/1.51/1.87/2.00/1.87/1.51/0.95/
.E7    0.43/0.10/-0.10/-0.16/0.07/0.75/1.54/2.03/
.E8    2.23/2.17/1.97/1.54/0.92/0.46/0.13/-0.03/
.E9    0.07/0.62/1.41/1.97/2.33/2.49/2.33/1.77
:--------------------------------------------------------------------
:Alexandria, VA - Tidal Potomac River
:CS=2.5, FS=3.3, Moderate FS=4.2, Major FS=6.6
:
.ER AXTV2 201123 Z DC2011231450/DH13/HGIFF/DIH1
.E1    0.16/-0.03/0.33/0.95/1.57/1.94/2.03/2.03/
.E2    1.77/1.15/0.49/-0.03/-0.39/-0.66/-0.79/-0.59/
.E3    0.00/0.66/1.05/1.05/0.79/0.26/-0.30/-0.79/
.E4    -1.18/-1.44/-1.57/-1.48/-0.98/-0.33/0.20/0.43/
.E5    0.49/0.30/-0.16/-0.75/-1.25/-1.57/-1.71/-1.54/
.E6    -1.12/-0.46/0.10/0.46/0.59/0.46/0.07/-0.46/
.E7    -0.95/-1.31/-1.51/-1.54/-1.28/-0.62/0.13/0.59/
.E8    0.79/0.75/0.56/0.10/-0.46/-0.95/-1.25/-1.41/
.E9    -1.31/-0.75/0.00/0.56/0.92/1.05/0.89/0.33
:--------------------------------------------------------------------
COMMENT


:CAUTION...These forecasts do not fully account for the effects of
:wind driven storm surge. Forecast errors of two feet or more are
:possible during major surge events. Other sources of error may
:include rainfall forecast uncertainties and hydrologic/hydraulic
:model uncertainties.

$$
MARFC
:...END of MESSAGE...
NNNN