Preview of NWS' New Version of Forecast
This preview is not operational and should not be used for support decisions.

Headwater Guidance (FFH)

Issued by National Weather Service (NWS)

                            
879 
FOUS71 KRHA 181350
FFHVA2
HEADWATER STATEMENT FOR THE POTOMAC AND JAMES BASINS                    
MIDDLE ATLANTIC RIVER FORECAST CENTER                                   
NATIONAL WEATHER SERVICE STATE COLLEGE PA                               
832 AM EST SUN FEB 18 2018
                                                                        
APPROXIMATE 1/3/6/12-HR BASIN AVERAGED RAINFALL (INCHES)                
REQUIRED TO CAUSE MINOR, MODERATE, AND MAJOR FLOODING AT                
THE INDICATED HEADWATER LOCATIONS.                                      
                                                                        
.B RHA 180218 Z DH12/DC1802181332/DUE/PPHCF/PPTCF/PPQCF/PPKCF/PPDCF
:                                                                       
:IDENT    1HR   3HR   6HR  12HR  24HR  HEADWATER NAME
:======= ====  ====  ====  ====  ====  ====================
:                                                                       
: NWS STERLING SERVICE AREA...                                          
:  POTOMAC BASIN...                                                     
:  North Branch Potomac River...                                        
KITM2     0.6/  1.0/  1.3/  1.8/  2.4 :Kitzmiller (9ft.)  
:KITM2md  1.6/  2.6/  3.4/  5.0/  7.1  Kitzmiller (11)    
:KITM2mj  3.1/  5.2/  7.0/  8.0/  8.0  Kitzmiller (13)    
:  Georges Creek...                                                     
WSTM2     0.9/  1.0/  1.1/  1.1/  1.3 :Westernport (8ft.) 
:WSTM2md  1.4/  1.5/  1.8/  1.9/  2.4  Westernport (10)   
:WSTM2mj  2.0/  2.2/  2.6/  2.8/  3.7  Westernport (12)   
:  South Branch Potomac River...                                        
FKLW2     0.8/  1.2/  1.2/  1.4/  1.8 :Franklin (7ft.)    
:FKLW2md  1.3/  2.0/  2.1/  2.5/  3.3  Franklin (9)       
:FKLW2mj  1.8/  2.8/  3.0/  3.7/  4.8  Franklin (11)      
:  South River...                                                       
WAYV2     1.7/  1.9/  2.8/  3.1/  3.9 :Waynesboro (9.5ft.)
:WAYV2md  2.2/  2.6/  3.8/  4.3/  5.4  Waynesboro (11)    
:WAYV2mj  3.1/  3.6/  5.5/  6.3/  7.9  Waynesboro (13)    
:  North Fork Shenandoah River...                                       
COOV2     3.6/  4.1/  4.7/  4.9/  5.7 :Cootes Store (15ft)
:COOV2md  4.9/  5.6/  6.6/  7.0/  8.2  Cootes Store (18)  
:COOV2mj  6.4/  7.0/  7.4/  8.0/  8.4  Cootes Store (21)  
:  Antietam Creek...                                                    
SACM2     2.2/  2.2/  2.3/  2.4/  2.6 :Sharpsburg (8ft.)  
:SACM2md  2.8/  2.8/  2.9/  3.1/  3.4  Sharpsburg (10)    
:SACM2mj  3.7/  3.7/  3.8/  4.1/  4.5  Sharpsburg (12)    
:  Seneca Creek...                                                      
DAWM2     1.0/  1.1/  1.2/  1.3/  1.9 :Dawsonville (7.5ft)
:DAWM2md  2.5/  2.8/  3.0/  3.5/  4.9  Dawsonville (11)   
:DAWM2mj  6.5/  7.0/  7.4/  8.0/  8.4  Dawsonville (16)   
:                                                                       
: NWS BLACKSBURG SERVICE AREA...                                        
:  Maury River...                                                       
BVSV2     3.2/  3.7/  4.1/  4.5/  5.0 :Buena Vista (17ft.)
:BVSV2cs  2.1/  2.4/  2.7/  3.0/  3.3  Buena Vista (13)   
:BVSV2md  3.8/  4.3/  4.8/  5.3/  6.0  Buena Vista (19)   
:BVSV2mj  4.4/  5.1/  5.7/  6.3/  7.1  Buena Vista (21)   
.END                                                                    
:
:===============================================================
:          EXPERIMENTAL NON-FCST POINT RAW MODEL OUTPUT
:      NO MANUAL QC OR ADJUSTMENTS APPLIED...USE WITH CAUTION
:===============================================================
:                                                                       
: NWS STERLING SERVICE AREA...                                          
:  Rock Creek at Sherrill Drive., Washington DC
.B RHA 180218 Z DH12/DC1802181332/DUE/PPHCF/PPTCF/PPQCF/PPKCF/PPDCF
:GageID   1hr   3hr   6hr   12hr  rainfall for indicated stages
RCKD2     0.4/  0.5/  0.5/  0.7/  1.3 :Washington, DC (7ft)
:RCKD2md  0.7/  0.9/  1.0/  1.4/  2.4  Washington, DC (10)
:RCKD2mj  1.2/  1.4/  1.6/  2.3/  3.8  Washington, DC (12)
.END
: Model-simulated 3-hourly stage forecasts including QPF...
.E RCKD2 20180218 DC1802181350/DH15/HGIFX/DIH3/
.E1 2.7/2.8/2.5/2.3/2.3/2.3/2.3/2.2
:chps
$$
NNNN