736 
FOUS61 KRHA 100150
FFGMD 
COUNTY FLASH FLOOD GUIDANCE FOR MARYLAND AND DC                         
MIDDLE ATLANTIC RIVER FORECAST CENTER                                   
NATIONAL WEATHER SERVICE STATE COLLEGE PA                               
932 PM EDT TUE OCT 9 2018
                                                                        
APPROXIMATE 1/3/6/12-HR RAINFALL (INCHES) NEEDED TO BEGIN               
SMALL STREAM FLOODING.  THIS GUIDANCE IS NOT APPLICABLE FOR             
URBAN, BASEMENT, OR OTHER FLOODING NOT ASSOCIATED WITH A STREAM.        
                                                                       
.B RHA 181010 Z DH00/DC1810100132 /DUE/PPHCF/PPTCF/PPQCF/PPKCF
:                                                                       
:IDENT    1HR   3HR   6HR  12HR  ZONE NAME
:======= ====  ====  ====  ====  ====================
:                                                                       
: NWS STERLING SERVICE AREA...                                          
DCZ001    1.1/  1.8/  2.0/  2.1 :Washington DC      
MDZ501    1.1/  1.8/  1.9/  2.0 :Extreme W. Allegany Co.
MDZ502    1.6/  2.4/  2.5/  2.6 :Central and E. Allegany Co.
MDZ014    2.4/  3.6/  3.8/  4.1 :Anne Arundel Co.   
MDZ006    1.9/  2.7/  2.9/  3.0 :N. Baltimore Co.   
MDZ011    1.5/  2.3/  2.4/  2.6 :S. Baltimore Co.   
MDZ018    2.7/  4.1/  4.2/  4.4 :Calvert Co.        
MDZ005    1.7/  2.5/  2.7/  2.8 :Carroll Co.        
MDZ016    2.7/  4.0/  4.2/  4.4 :Charles Co.        
MDZ004    1.8/  2.6/  2.7/  2.9 :Frederick Co.      
MDZ507    1.9/  2.8/  2.9/  3.2 :NW. Harford Co.    
MDZ508    2.3/  3.5/  3.7/  3.9 :SE. Harford Co.    
MDZ505    1.7/  2.6/  2.7/  2.9 :NW. Howard Co.     
MDZ506    1.6/  2.4/  2.6/  2.8 :Central and SE. Howard Co.
MDZ503    1.9/  2.8/  2.9/  3.1 :NW. Montgomery Co. 
MDZ504    1.7/  2.5/  2.6/  2.8 :Central and SE. Montgomery Co.
MDZ013    2.4/  3.6/  3.8/  4.1 :Prince Georges Co. 
MDZ017    2.7/  4.0/  4.2/  4.4 :St. Marys Co.      
MDZ003    1.8/  2.6/  2.7/  2.9 :Washington Co.     
:                                                                       
: NWS MT. HOLLY SERVICE AREA...                                         
MDZ020    2.7/  4.0/  4.2/  4.4 :Caroline Co.       
MDZ008    2.6/  3.9/  4.1/  4.3 :Cecil Co.          
MDZ012    2.8/  4.2/  4.3/  4.6 :Kent Co.           
MDZ015    2.5/  3.8/  3.9/  4.2 :Queen Annes Co.    
MDZ019    2.4/  3.7/  3.9/  4.1 :Talbot Co.         
:                                                                       
: NWS WAKEFIELD SERVICE AREA...                                         
MDZ021    2.7/  4.1/  4.2/  4.4 :Dorchester Co.     
MDZ023    3.0/  4.5/  4.8/  5.0 :Somerset Co.       
MDZ022    2.8/  4.2/  4.3/  4.5 :Wicomico Co.       
MDZ024    3.0/  4.5/  5.0/  5.3 :Inland Worcester   
MDZ025    3.0/  4.5/  5.3/  5.6 :Maryland Beaches   
.END
$$
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