River Forecast
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FGUS51 KRHA 201246
RVFPOT

RIVER STAGE FORECAST
NATIONAL WEATHER SERVICE
MIDDLE ATLANTIC RIVER FORECAST CENTER, STATE COLLEGE, PA
0846 AM EDT Fri Oct 20 2017
:
:   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
:
.E GTND2 1020 Z DC1710201246/DH13/HMIFF/DIH1
.E1    4.13/4.13/3.77/3.15/2.39/1.74/1.35/1.05/
.E2    0.95/1.41/2.36/3.25/3.77/3.94/3.71/3.18/
.E3    2.46/1.84/1.38/1.12/0.92/1.08/1.87/2.89/
.E4    3.67/4.00/4.00/3.71/3.08/2.36/1.84/1.61/
.E5    1.51/1.71/2.43/3.44/4.33/4.86/4.92/4.46/
.E6    3.77/3.08/2.49/2.10/1.84/1.71/2.00/2.82/
.E7    3.84/4.49/4.59/4.33/3.81/3.12/2.49/1.97/
.E8    1.67/1.64/1.97/2.79/3.77/4.46/4.69/4.59/
.E9    4.13/3.51/2.85/2.33/1.97/1.71/1.64/2.17
:--------------------------------------------------------------------
:Southwest Waterfront - Tidal Washington Channel
:CS=3.7, FS=4.2 Moderate FS=5.3 Major FS=7.0
:
.E WASD2 1020 Z DC1710201246/DH13/HMIFF/DIH1
.E1    3.18/3.18/2.82/2.17/1.44/0.82/0.39/0.13/
.E2    0.07/0.52/1.48/2.33/2.85/3.05/2.82/2.26/
.E3    1.54/0.92/0.46/0.20/0.03/0.20/0.98/1.97/
.E4    2.76/3.08/3.05/2.76/2.13/1.44/0.92/0.66/
.E5    0.56/0.75/1.48/2.46/3.35/3.84/3.90/3.44/
.E6    2.76/2.07/1.51/1.12/0.82/0.72/1.05/1.84/
.E7    2.82/3.48/3.58/3.31/2.79/2.10/1.48/0.98/
.E8    0.69/0.66/1.02/1.80/2.76/3.44/3.67/3.54/
.E9    3.12/2.49/1.84/1.31/0.95/0.69/0.66/1.21
:--------------------------------------------------------------------
:Alexandria, VA - Tidal Potomac River
:CS=2.5, FS=3.1, Moderate FS=4.5, Major FS=6.6
:
.E AXTV2 1020 Z DC1710201246/DH13/HGIFF/DIH1
.E1    1.77/1.77/1.38/0.75/0.03/-0.59/-1.02/-1.28/
.E2    -1.31/-0.82/0.07/0.89/1.41/1.57/1.35/0.79/
.E3    0.10/-0.52/-0.95/-1.25/-1.38/-1.15/-0.39/0.56/
.E4    1.28/1.64/1.61/1.31/0.69/0.00/-0.46/-0.72/
.E5    -0.79/-0.56/0.16/1.12/1.94/2.43/2.49/2.07/
.E6    1.38/0.69/0.16/-0.26/-0.52/-0.59/-0.26/0.56/
.E7    1.44/2.03/2.17/1.90/1.38/0.72/0.10/-0.36/
.E8    -0.66/-0.69/-0.30/0.49/1.38/2.03/2.30/2.17/
.E9    1.71/1.08/0.46/-0.03/-0.39/-0.66/-0.62/-0.10
:--------------------------------------------------------------------
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



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