STORM SUMMARY NUMBER 02 FOR MID-ATLANTIC HEAVY RAIN EVENT
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
500 AM EDT SAT JUL 29 2017

...HEAVY RAINFALL CONTINUES TO PUSH EASTWARD ACROSS EASTERN
PORTIONS OF THE MID-ATLANTIC...

FLOOD AND FLASH FLOOD WARNINGS...WATCHES...AND ADVISORIES ARE IN
EFFECT ACROSS PARTS OF THE MID-ATLANTIC FROM NORTHERN VIRGINIA TO
CENTRAL PENNSYLVANIA AND BACK INTO THE CENTRAL APPALACHIANS.

FOR A DETAILED GRAPHICAL DEPICTION OF THE LATEST
WATCHES...WARNINGS AND ADVISORIES...PLEASE SEE WWW.WEATHER.GOV

AT 400 AM EDT...A DEEP AND ANOMALOUS UPPER LEVEL LOW WAS LOCATED
OVER THE CENTRAL APPALACHIANS WHILE AT THE SURFACE...A SURFACE LOW
WITH A CENTRAL PRESSURE OF 1001 MB...OR 29.56 INCHES...WAS LOCATED
OVER THE DELMARVA PENINSULA. A SLOW MOVING COLD FRONT EXTENDED
SOUTHWARD FROM THE LOW ACROSS THE SOUTHERN MID-ATLANTIC AND INTO
THE DEEP SOUTH. NATIONAL WEATHER SERVICE RADARS AND SURFACE
OBSERVATIONS INDICATED THE HEAVIEST RAINFALL WAS LOCATED EAST AND
NORTH OF THE LOW ACROSS EASTERN VIRGINIA...THE DELMARVA...SOUTHERN
NEW JERSEY...AND BACK INTO THE CENTRAL APPALACHIANS. A FEW
EMBEDDED THUNDERSTORMS ALSO REMAINED SOUTH OF THE LOW...MAINLY
ACROSS SOUTHEAST VIRGINIA.

...SELECTED STORM TOTAL RAINFALL IN INCHES FROM 800 AM EDT FRI JUL
28 THROUGH 400 AM EDT SAT JUL 29...

...WASHINGTON DC...
MANOR PARK                            4.45                    
WASHINGTON 1 E                        3.31                    

...DELAWARE...
LAUREL                                3.49                    
BLACKBIRD                             2.97                    
LEWES                                 2.74                    

...MARYLAND...
OLNEY                                 6.86                    
WHEATON HILLS                         6.74                    
ELKRIDGE                              5.54                    
SOMERSET                              4.25                    
BALTIMORE                             4.13                    
GAITHERSBURG                          4.12                    
BALTIMORE-WASHINGTON INTL ARPT        3.84                    
SILVER SPRING 1 SSW                   3.79                    
SALISBURY-OCEAN CITY WICOMICO ARPT    3.78                    
PLUM POINT 1 NW                       3.54                    
PATTERSON PARK                        3.22                    
BLOOMFIELD 1 SSE                      3.12                    
COLLEGE PARK 1 SW                     3.11                    
WALDORF                               2.87                    
COLUMBIA 1 SSE                        2.84                    
ANDREWS AFB/CAMP SPRINGS              2.70                    
EASTON                                2.62                    
HERALD HARBOR 1 NW                    2.30                    
WESTMINSTER 2 SE                      1.87                    

...NORTH CAROLINA...
ELIZABETH CITY RGNL ARPT              3.57                    
GRANDY                                3.25                    

...NEW JERSEY...
CAPE MAY COUNTY ARPT                  3.01                    

...PENNSYLVANIA...
PITTSBURGH                            3.17                    

...VIRGINIA...
ALEXANDRIA/FAIRFAX BORDER             5.60                    
PLEASANT VALLEY 3 E                   5.25                    
SEMINARY HILLS                        4.75                    
UPPER MARLBORO                        4.57                    
FALLS CHURCH                          4.54                    
DEL RAY E BELLEFONTE                  4.24                    
BAILEYS CROSSROADS 1 N                3.70                    
LEESBURG                              3.60                    
PRINCE WILLIAM                        3.29                    
WINCHESTER 2 S                        2.40                    
PHILOMONT 1 SE                        2.11                    
STEPHENS CITY 2 ESE                   1.97                    
FRONT ROYAL 3 ESE                     1.68                    
CHARLOTTESVILLE ARPT                  1.57                    

...WEST VIRGINIA...
WASHINGTON COUNTY ARPT                3.56                    
BUNKER HILL                           3.10                    
INWOOD                                3.10                    
BAYARD                                3.08                    
KLINE GAP 2 ESE                       2.10                    


EXPECT HEAVY RAINFALL TO TAPER OFF TODAY FROM WEST TO EAST...WITH
GENERALLY LESS THAN AN INCH OF ADDITIONAL RAIN...WITH LOCALLY
HIGHER AMOUNTS...ACROSS PARTS OF THE MID-ATLANTIC POSSIBLE. GIVEN
ALREADY VERY SATURATED GROUND...ANY ADDITIONAL RAINFALL WILL
CONTINUE THE THREAT FOR AREAS OF FLOODING AND FLASH FLOODING.

THE NEXT STORM SUMMARY WILL BE ISSUED BY THE WEATHER PREDICTION
CENTER AT 1100 AM EDT. PLEASE REFER TO YOUR LOCAL NATIONAL WEATHER
SERVICE OFFICE FOR ADDITIONAL INFORMATION ON THIS EVENT.

SANTORELLI