The eastern half of the United States was under cyclonic flow and moisture from the Atlantic and Gulf continued to move into the Mid Atlantic. A warm front moved northward and showers and thunderstorms broke out across the area.
Every event with a place to put it. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS LWX wrote it up.
The eastern half of the United States was under cyclonic flow and moisture from the Atlantic and Gulf continued to move into the Mid Atlantic. A warm front moved northward and showers and thunderstorms broke out across the area. Heavy rain produced flash flooding and rapid rises on streams and creeks.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Baltimore/Washington wrote its last area forecast discussion before the first event at Apr 30, 8:36 PM EST, 3 hours 24 minutes earlier.
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
936 PM EDT WED APR 30 2014
.SYNOPSIS...
A WARM FRONT WILL GRADUALLY LIFT NORTH INTO THE REGION THROUGH THIS
EVENING. A COLD FRONT WILL THEN MOVE ACROSS THE AREA LATE TONIGHT
INTO THURSDAY MORNING. HIGH PRESSURE BUILDS IN FOR FRIDAY. A WEAK
COLD FRONT MAY MOVE THROUGH SATURDAY.
&&
.NEAR TERM /THROUGH THURSDAY/...
HEADLINE UPDATES. FLOOD WATCH CANCELLED FOR ALL BUT THE DC/BALT
METRO AREAS THRU THE OVERNIGHT. MAY BE CANCELLED EARLY BUT PRECIP
NOT COMPLETELY THRU...WILL WAIT TIL THE COLD FRONT MOVES
CLOSER/THRU THE AREA.
COASTAL FLOOD WARNING EXTENDED THRU NOON THU WHERE IT WAS ALREADY
IN EFFECT...EXCEPT TO ADD ALEXANDRIA. COASTAL FLOOD ADZY ALSO
EXTENDED THRU THU MRNG WHERE IT WAS ALREADY IN EFFECT. THE CF
WATCH HAS BEEN CANCELLED.
NUMEROUS AREAL FLOOD WARNINGS STILL IN EFFECT FOR THE ROAD
CLOSURES...CREEKS/STREAMS OVER BANKS...URBAN FLOODING - W/ SEVERAL
OTHER RIVER FLOOD WARNINGS AS WELL.
ON THE TAIL-END OF A RAINY DAY ACROSS THE REGION...PARTICULARLY
EAST OF THE BLUE RIDGE. A SOLID 2-4 INCHES OF RAIN HAS FALLEN FROM
THE FOOTHILLS ON THE LEE SIDE OF THE BLUE RIDGE TO THE MD CHES
BAY...W/ LOCALLY HIGHER AMOUNTS. FLOODING HAS BEEN THE MAIN ISSUE
AND CONCERN FOR THE PAST SEVERAL HRS...SINCE EARLIER THIS MORNING
W/ STEADY AND NEAR RELENTLESS BATCHES OF MODERATE/HEAVY RAIN.
AMOUNTS HAVE PILED-UP GRADUALLY AND ESPECIALLY FOR AREAS ACROSS
THE HIGHWAY 29 CORRIDOR OF NRN VA...THE WRN AND SRN DC SUBURBS...
AND THE ESPECIALLY IN BETWEEN DC AND BALT/WEST OF I-95. HEAVIER
AMOUNTS ALSO CONTINUE UP THRU MUCH OF BALT-HARFORD CO.
WITH SUCH A LARGE UPPER LEVEL SYSTEM THAT'S BEEN RESIDING OVER
MUCH OF THE CONUS THE PAST FEW DAYS...MULTIPLE SFC LOW PRES
SYSTEMS HAVE BEEN SWINGING THRU THE COUNTRY - ESPEC THE EAST
COAST. A FEW OF THESE HAVE MADE THEIR WAY ACROSS OUR AREA...BUT
THE LATEST ONE IS THE LAST ONE. ONE MORE LOCALIZED SFC REFLECTION
HAS ALREADY SPREAD PRECIP ACROSS THE ERN HALF OF THE CWA...PUSHING
THE WARM FRONT UP ACROSS ERN MD AND HELPING TO ERODE - ALBEIT
SLIGHTLY - AND ONLY OVER SRN MD. THE 12Z AND 00Z KIAD SOUNDINGS
FROM TODAY ARE NEARLY IDENTICAL...ESPEC THE DEPICTION OF THE
MARINE LAYER WHICH DID ITS PART STAVING OFF MORE INTENSE
CONVECTION EARLIER THIS AFTN/EVE. SFC TEMPS STRUGGLED TO MAKE IT
INTO THE 60S...MOST LOCALES WEST OF I-95 DIDN'T MAKE IT OUT OF THE
M50S. THE STRONG AND DEEP MARINE LAYER HELD FAST...IN TERMS OF
DISSIPATING POTENTIAL INSTABILITY EXCEPT ACROSS CNTRL/ERN VA JUST
INTO LOWER SRN MD/DELMARVA.
A COLD FRONT IS ON THE WAY FROM THE WEST...NOW CROSSING THE CNTRL
APLCNS AND WILL EVENTUALLY SWEEP THE REMAINDER OF THE PRECIP OFF
THE COAST. THE PARENT UPPER TROUGH STILL WELL TO OUR WEST AND
NORTH AND WILL KEEP THE SRN CONVEYOR BELTS OF MOISTURE SLIDING
PARALLEL TO THE SRN ATLC COAST. THIS WILL KEEP PRECIP ON THE
DOORSTEP OF THE REGION/ALONG THE COAST TOMORROW BUT WE'LL BE DRY
AFTER A BRIEF PERIOD OF MRNG SHOWERS THU.
&&
.SHORT TERM /THURSDAY NIGHT THROUGH SATURDAY/...
COLD FRONT IS EXPECTED TO BE NEAR CHESAPEAKE BAY AND EASTERN
PORTIONS OF THE VA PIEDMONT BY 12Z THURSDAY MORNING. THE FRONT WILL
BECOME NEARLY PARALLEL TO 500MB FLOW BY THIS TIME...SO IT MAY BE
SOMEWHAT SLOW TO EXIT THE CWA COMPLETELY DURING THE LATE MORNING.
LINGERING SHOWERS WILL BE POSSIBLE BEFORE THE SYSTEM MOVES OUT
COMPLETELY. SOUNDINGS OVER THE POTOMAC HIGHLANDS ALSO INDICATE
POTENTIAL FOR SOME UPSLOPE SHOWER ACTIVITY. W-SW WINDS WITH A
DOWNSLOPE COMPONENT...ALONG WITH DECREASING CLOUD COVER IN THE
AFTERNOON WILL SUPPORT HIGH TEMPS IN THE MID TO UPPER 70S EAST OF
THE BLUE RIDGE AND IN THE SHENANDOAH VALLEY. COOLER TEMPS EXPECTED
IN THE HIGHER ELEVATIONS.
HIGH PRESSURE BUILDS IN BRIEFLY THURSDAY NIGHT. A WEAK FRONTAL
BOUNDARY IS EXPECTED TO MOVE INTO THE HIGHLANDS LATE...WITH
POTENTIAL FOR A SHOWER OR TWO. LOWS RANGE FROM THE UPPER 30S IN THE
HIGHLANDS TO THE MID 50S NEAR CHESAPEAKE BAY. THIS WEAK BOUNDARY
WILL CROSS THE REST OF THE CWA THURSDAY. FOR MOST OF THE
REGION...THE ONLY IMPACT ON LOCAL WX IS EXPECTED TO BE CLOUD COVER
AND A SUBTLE WIND SHIFT FROM SW TO W DURING THE DAY. SOME SHOWERS
POSSIBLE OVER THE POTOMAC HIGHLANDS AGAIN WHERE LAPSE RATES BELOW
700MB WILL BE RELATIVELY STEEP. TEMPERATURES WILL BE MILD...WITH
HIGHS IN THE UPPER 60S TO LOW 70S ACROSS MOST OF THE AREA...AND LOW
60S IN HIGHER ELEVATIONS.
SURFACE HIGH PRESSURE BUILDS IN FRIDAY NIGHT...WITH A WEAK 500MB
TROUGH MOVING INTO THE REGION. CLOUDS POSSIBLE OVER THE WESTERN
COUNTIES...ALONG WITH LINGERING CLOUD COVER OVER SRN MD FROM THE
FRIDAY COLD FRONT. OTHERWISE PARTLY CLOUDY SKIES EXPECTED OVER MOST
OF THE FORECAST AREA. SOME RADIATIONAL COOLING COMES INTO
PLAY...WITH LOWS MAINLY IN THE 40S...AND AROUND 50 IN WASHINGTON DC
AND NEAR THE BAY.
A COLD FRONT WILL PASS THROUGH SATURDAY...BUT MOISTURE WILL BE
LIMITED...SO MOST LOCATIONS WILL BE DRY. HOWEVER...A FEW SHOWERS
CANNOT BE RULED OUT NEAR THE MASON-DIXON LINE AND ACROSS THE
ALLEGHENY HIGHLANDS.
&&
.LONG TERM /SATURDAY NIGHT THROUGH WEDNESDAY/...
A WEAK COLD FRONT WILL CROSS THE AREA DURING THE DAY ON SUNDAY.
IMPACT FROM THIS FRONT WILL BE LIMITED...WITH ONLY SOME LIGHT
SHOWERS EXPECTED FOR THE HIGHER ELEVATIONS. SKIES WILL STAY MOSTLY
SUNNY FOR AREAS EAST OF THE ALLEGHENY FRONT WITH HIGHS IN THE MID
60S WEST OF THE BLUE RIDGE AND NEAR 70 EAST OF IT.
HIGH PRESSURE WILL MOVE INTO THE AREA FOR THE BEGINNING OF THE
WORKWEEK AND MONDAY AND TUESDAY WILL SEE NEAR NORMAL TEMPERATURES
WITH PLENTY OF SUNSHINE. LOW PRESSURE WILL DEVELOP OVER THE GREAT
PLAINS BY MIDWEEK AND A WARM FRONT MAY BRING SHOWERS TO THE MID
ATLANTIC BEGINNING TUESDAY NIGHT. HIGH TEMPS ON WEDNESDAY WILL
DEPEND ON THE EXACT PLACEMENT OF THE FRONT...IF FRONT IS NORTH OF
THE AREA BY MIDDAY THEN HIGHS WILL BE ABOVE NORMAL...BUT CURRENTLY
HAVE CONSERVATIVE TEMPS IN FORECAST DUE TO UNCERTAINTY.
&&
.AVIATION /01Z THURSDAY THROUGH MONDAY/...
IFR CONDITIONS MAY IMPROVE TO MVFR CONDITIONS BEHIND A COLD FRONT
TONIGHT. VFR EXPECTED THURSDAY WITH NW WINDS 10KT OR LESS. VFR
CONTINUES THURSDAY NIGHT THROUGH FRIDAY NIGHT. THURSDAY WINDS FM
THE W-SW AROUND 10KT...WITH SOME POTENTIAL GUSTS TO 15KT. WINDS
WILL BE LIGHT OVERNIGHT.
CONFIDENCE IS LOW IN ANY AVIATION HAZARDS IN THE LONG TERM.
&&
.MARINE...
A SMALL CRAFT ADVISORY REMAINS IN EFFECT THE WATERS INTO THE EARLY
MRNG HRS...WILL MONITOR WINDS AS A COLD FRONT APPROACHES AND WILL
LIKELY SWEEP THE HIGHER GUSTS OFF THE COAST - CAN LIKELY BE
CANCELLED AFTER THE PASSAGE TOWARD THE PREDAWN HRS.
WINDS WILL DECREASE DURING THE DAY THURSDAY AS HIGH PRESSURE
BUILDS IN AND WINDS INCREASE SOMEWHAT FRIDAY AS A WEAK COLD FRONT
MOVES THROUGH. SOME GUSTS INTO THE TEENS POSSIBLE UNDER W-SW
FLOW...BUT AT THIS TIME THEY SHOULD STAY BELOW SCA CRITERIA.
CONFIDENCE IS LOW IN ANY MARINE HAZARDS IN THE LONG TERM.
&&
.TIDES/COASTAL FLOODING...
HEADLINES ADDRESSED IN THE NEAR TERM SECTION...
THE MAX ASTRONOMICAL HIGH TIDE WILL BE THURSDAY MORNING...SO THE
HIGHEST TIDES MAY OCCUR DURING THIS TIME. HOWEVER...THE OFFSHORE
FLOW WILL BE ARRIVING AROUND THE SAME TIME...WHICH MAY CAUSE
ANOMALIES TO START DROPPING DEPENDING ON EXACTLY WHEN IT ARRIVES.
FRESHWATER FROM HEAVY RAINFALL WILL DRAIN THROUGH THE RIVER SYSTEM
AND REACH WASHINGTON DC SOMETIME FRI...RESULTING IN ADDITIONAL
FLOODING FROM FRESHWATER SOURCES. MODERATE COASTAL FLOODING IS
POSSIBLE FOR THE UPPER TIDAL POTOMAC RIVER AROUND WASHINGTON DC.
&&
.LWX WATCHES/WARNINGS/ADVISORIES...
DC...FLASH FLOOD WATCH UNTIL 6 AM EDT THURSDAY FOR DCZ001.
COASTAL FLOOD WARNING UNTIL NOON EDT THURSDAY FOR DCZ001.
MD...FLASH FLOOD WATCH UNTIL 6 AM EDT THURSDAY FOR MDZ005>007-
009>011-013-014.
COASTAL FLOOD ADVISORY UNTIL NOON EDT THURSDAY FOR MDZ007-013-
016.
COASTAL FLOOD WARNING UNTIL NOON EDT THURSDAY FOR MDZ011-014-
017-018.
VA...FLASH FLOOD WATCH UNTIL 6 AM EDT THURSDAY FOR VAZ053-054.
COASTAL FLOOD ADVISORY UNTIL NOON EDT THURSDAY FOR VAZ052-053-
055-057.
COASTAL FLOOD WARNING UNTIL NOON EDT THURSDAY FOR VAZ054.
WV...NONE.
MARINE...SMALL CRAFT ADVISORY UNTIL 6 AM EDT THURSDAY FOR ANZ530>543.
&&
UPDATE...GMS
PREV DISCUSSION...BJL/KCS/CEBHAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 919 PM EDT WED APR 30 2014 ANZ530>543-DCZ001-MDZ006-007-011-013-014-016>018-VAZ052>057- 011000- CHESAPEAKE BAY NORTH OF POOLES ISLAND MD- CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT MD- CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH MD- CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT MD- CHESAPEAKE BAY FROM DRUM POINT MD TO SMITH POINT VA- TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD MD- TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND MD- TIDAL POTOMAC FROM COBB ISLAND MD TO SMITH POINT VA- PATAPSCO RIVER INCLUDING BALTIMORE HARBOR- CHESTER RIVER TO QUEENSTOWN MD-EASTERN BAY- CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER- PATUXENT RIVER TO BROOMES ISLAND MD- TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-DISTRICT OF COLUMBIA-NORTHERN BALTIMORE-HARFORD- SOUTHERN BALTIMORE-PRINCE GEORGES-ANNE ARUNDEL-CHARLES-ST. MARYS- CALVERT-PRINCE WILLIAM/MANASSAS/MANASSAS PARK-FAIRFAX- ARLINGTON/FALLS CHURCH/ALEXANDRIA-STAFFORD-SPOTSYLVANIA- KING GEORGE- 919 PM EDT WED APR 30 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE MARYLAND PORTION OF THE CHESAPEAKE BAY...TIDAL POTOMAC RIVER...AND ADJACENT COUNTIES IN CENTRAL MARYLAND AND NORTHERN VIRGINIA AS WELL AS THE DISTRICT OF COLUMBIA. .DAY ONE...TONIGHT NUMEROUS FLOOD AND FLASH FLOOD WARNINGS ARE IN EFFECT FOR THE AREA NEAR AND WEST OF INTERSTATE 95. A FLASH FLOOD WATCH REMAINS IN EFFECT FOR THE WASHINGTON AND BALTIMORE METROPOLITAN AREAS THROUGH TONIGHT. ON THE WESTERN SHORE OF THE CHESAPEAKE BAY FROM SOUTHERN BALTIMORE THROUGH ST MARYS COUNTIES AND FOR WASHINGTON DC AND ALEXANDRIA... ALONG THE UPPER TIDAL POTOMAC RIVER...A COASTAL FLOOD WARNING IS IN EFFECT UNTIL MIDNIGHT. A COASTAL FLOOD ADVISORY IS IN EFFECT FOR HARFORD COUNTY UNTIL MIDNIGHT. ALONG THE REST OF THE TIDAL POTOMAC RIVER...A COASTAL FLOOD ADVISORY IS IN EFFECT THROUGH TONIGHT. A SMALL CRAFT ADVISORY REMAINS IN EFFECT FOR THE MARYLAND CHESAPEAKE BAY AND TIDAL POTOMAC RIVER TONIGHT. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY THE COASTAL FLOOD WARNING REMAINS IN EFFECT ALONG THE WESTERN SHORE OF THE CHESAPEAKE BAY...AND WASHINGTON DC AND ALEXANDRIA ALONG THE UPPER TIDAL POTOMAC RIVER THURSDAY MORNING...WHILE A COASTAL FLOOD ADVISORY REMAINS IN EFFECT ALONG THE REST OF THE TIDAL POTOMAC RIVER. FRESHWATER FROM HEAVY RAINFALL MAY CAUSE MODERATE FLOODING ALONG THE TIDAL POTOMAC RIVER NEAR WASHINGTON DC BY FRIDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION NOT ANTICIPATED THIS EVENING...ALTHOUGH REPORTS OF ANY FLOODING SHOULD BE RELAYED TO THE NATIONAL WEATHER SERVICE. MDZ003>005-009-010-501-502-VAZ025>031-036>040-042-050-051-501>504- WVZ050>053-055-501>506-011000- WASHINGTON-FREDERICK MD-CARROLL-MONTGOMERY-HOWARD- EXTREME WESTERN ALLEGANY-CENTRAL AND EASTERN ALLEGANY-AUGUSTA- ROCKINGHAM-SHENANDOAH-FREDERICK VA-PAGE-WARREN-CLARKE-NELSON- ALBEMARLE-GREENE-MADISON-RAPPAHANNOCK-LOUDOUN-ORANGE-CULPEPER- NORTHERN FAUQUIER-SOUTHERN FAUQUIER-WESTERN HIGHLAND- EASTERN HIGHLAND-HAMPSHIRE-MORGAN-BERKELEY-JEFFERSON-HARDY- WESTERN GRANT-EASTERN GRANT-WESTERN MINERAL-EASTERN MINERAL- WESTERN PENDLETON-EASTERN PENDLETON- 919 PM EDT WED APR 30 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN WEST VIRGINIA... NORTHERN AND CENTRAL VIRGINIA...AND CENTRAL AND WESTERN MARYLAND WITH THE EXCEPTION OF GARRETT COUNTY. .DAY ONE...TONIGHT NUMEROUS FLOOD AND RIVER FLOOD WARNINGS ARE IN EFFECT FOR LOCATIONS EAST OF THE BLUE RIDGE MOUNTAINS. A FLASH FLOOD WATCH REMAINS IN EFFECT FOR PORTIONS OF NORTH CENTRAL MARYLAND OVERNIGHT. NUMEROUS RIVER FLOOD WARNINGS ARE IN EFFECT. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY NUMEROUS RIVER FLOOD WARNINGS ARE IN EFFECT. RIVER FLOOD WATCHES REMAIN IN EFFECT FOR THE POTOMAC AND SHENANDOAH RIVER BASINS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION NOT ANTICIPATED THIS EVENING...ALTHOUGH REPORTS OF ANY FLOODING SHOULD BE RELAYED TO THE NATIONAL WEATHER SERVICE.
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
749 PM EDT WED APR 30 2014
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0530 PM FLOOD LOCUST GROVE 38.30N 77.81W
04/30/2014 ORANGE VA 911 CALL CENTER
GOLD DALE DR CLOSED DUE TO HIGH WATER SOUTH OF
CONSTITUTION HWY
&&
EVENT NUMBER LWX1400151
SMZPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
753 PM EDT WED APR 30 2014
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0745 PM FLASH FLOOD 3 ENE STERLING PARK 39.02N 77.37W
04/30/2014 LOUDOUN VA FIRE DEPT/RESCUE
WATER FLOWING OVER THOMAS AVENUE AT SUGARLAND RUN
BETWEEN LAKELAND DR AND ALGONKIAN PARKWAY
&&
EVENT NUMBER LWX1400152
KLWPRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
830 PM EDT WED APR 30 2014
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0745 PM FLOOD 3 ENE STERLING PARK 39.02N 77.37W
04/30/2014 LOUDOUN VA FIRE DEPT/RESCUE
WATER FLOWING OVER THOMAS AVENUE AT SUGARLAND RUN
BETWEEN LAKELAND DR AND ALGONKIAN PARKWAY
&&
CORRECTED EVENT
EVENT NUMBER LWX1400152
JEPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
831 PM EDT WED APR 30 2014
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0535 PM FLASH FLOOD 3 NNW CENTREVILLE 38.88N 77.46W
04/30/2014 FAIRFAX VA EMERGENCY MNGR
WATER RESCUE PERFORMED ON OLD LEE ROAD AT STONECROFT
BOULEVARD.
&&
EVENT NUMBER LWX1400154
JRKPRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1031 PM EDT WED APR 30 2014
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0425 AM COASTAL FLOOD COBB ISLAND 38.26N 76.84W
04/30/2014 CHARLES MD DEPT OF HIGHWAYS
COBB ISLAND ROAD WAS REPORTED FLOODED AND CLOSED.
0744 AM COASTAL FLOOD 1 NW EASTPORT 38.98N 76.49W
04/30/2014 ANNE ARUNDEL MD PUBLIC
DOCKS AND SIDEWALKS FLOODED.
0837 AM COASTAL FLOOD MIDDLE RIVER 39.30N 76.37W
04/30/2014 BALTIMORE MD PUBLIC
FLOODING ON BAY STREET AT BOWLEY BAR. WATER IS REPORTED
AS 3 FEET OVER FLOOD STAGE... COVERING PIERS AND
REACHING PROPERTIES.
0907 AM COASTAL FLOOD 2 S MOUNT VERNON 38.69N 77.10W
04/30/2014 CHARLES MD TRAINED SPOTTER
PUBLIC DOCK SUBMERGED.
0950 AM FLOOD 2 N WOOLSEY 38.90N 77.63W
04/30/2014 PRINCE WILLIAM VA TRAINED SPOTTER
APPROX 6 INCHES OF WATER RUSHING OVER ROADWAY NEAR
CORNER OF LOGMILL RD AND RT 15
1024 AM COASTAL FLOOD ANNAPOLIS 38.97N 76.50W
04/30/2014 ANNE ARUNDEL MD DEPT OF HIGHWAYS
NORTHBOUND LANES OF COMPROMISE STREET CLOSED AT DUKE OF
GLOUCESTER STREET DUE TO FLOODING.
1030 AM FLOOD PUMPHREY 39.22N 76.64W
04/30/2014 ANNE ARUNDEL MD DEPT OF HIGHWAYS
BACKWATER ON HOLLY CREEK FLOODING NURSERY ROAD BETWEEN
PATAPSCO ROAD AND ROUTE 648. ROAD WAS CLOSED.
1030 AM FLOOD 4 WNW OVERTON 37.98N 78.54W
04/30/2014 ALBEMARLE VA 911 CALL CENTER
OLD LYNCHBURG ROAD CLOSED AT 700 AND 1500 BLOCK
1030 AM FLOOD 1 S BARRACKS 38.05N 78.52W
04/30/2014 ALBEMARLE VA 911 CALL CENTER
OLD IVY ROAD CLOSED IN 2100 BLOCK
1034 AM FLOOD 1 S FERNDALE 39.17N 76.63W
04/30/2014 ANNE ARUNDEL MD DEPT OF HIGHWAYS
MARYLAND ROUTE 176 FLOODED AND CLOSED BETWEEN CENTRAL
AVENUE AND BALTIMORE ANNAPOLIS BOULEVARD.
1038 AM FLOOD 2 ESE BOWIE 38.95N 76.70W
04/30/2014 PRINCE GEORGES MD PUBLIC
TWO FEET OF SLOWLY FLOWING WATER OVER GOVERNOR BRIDGE
ROAD. CAR STALLED IN IT WITH OCCUPANT.
1104 AM FLOOD 2 NW RAPIDAN 38.33N 78.08W
04/30/2014 MADISON VA OTHER FEDERAL
THE ROBINSON RIVER STREAM GAUGE AT LOCUST DALE EXCEEDED
ITS FLOOD STAGE OF 11 FEET.
1122 AM FLOOD 1 N KEYMAR 39.61N 77.24W
04/30/2014 CARROLL MD OTHER FEDERAL
THE STREAM GAUGE ON BIG PIPE CREEK AT BRUCEVILLE
EXCEEDED ITS FLOOD STAGE OF 8 FEET.
1136 AM FLOOD 1 SSE MCMULLEN 38.33N 78.45W
04/30/2014 GREENE VA 911 CALL CENTER
FLOODED BRIDGE ON OCTONIA ROAD NEAR SOUTH RIVER ROAD
1151 AM FLOOD 1 W LAHORE 38.20N 77.99W
04/30/2014 ORANGE VA 911 CALL CENTER
WATER FLOWING OVER LAHORE ROAD
1215 PM COASTAL FLOOD MIDDLE RIVER 39.30N 76.37W
04/30/2014 BALTIMORE MD PUBLIC
ONE FOOT OF WATER ON BAY DRIVE IN MIDDLE RIVER DUE TO
COASTAL FLOODING.
1217 PM FLOOD 1 W EHEART 38.21N 78.35W
04/30/2014 ORANGE VA 911 CALL CENTER
WATER FLOWING OVER CARPENTERS MILL RD NEAR COUNTY
BOUNDARY
1220 PM FLOOD GLENCOE 39.55N 76.64W
04/30/2014 BALTIMORE MD OTHER FEDERAL
THE STREAM GAUGE ON GUNPOWDER FALLS AT GLENCOE EXCEEDED
ITS FLOOD STAGE OF 7 FEET. THE RIVER WAS STILL RISING AT
515 PM AND WAS APPROACHING MAJOR FLOOD LEVEL.
1222 PM FLOOD 1 SSE SAVAGE 39.13N 76.82W
04/30/2014 HOWARD MD OTHER FEDERAL
THE STREAM GAUGE ON THE LITTLE PATUXENT RIVER EXCEEDED
THE FLOOD STAGE OF 10 FEET. THE RIVER WAS STILL RISING
AT 530 PM AND HAD EXCEEDED MODERATE FLOOD LEVEL AT THAT
TIME.
1224 PM FLOOD 2 ENE LEESBURG 39.11N 77.53W
04/30/2014 LOUDOUN VA 911 CALL CENTER
EDWARDS FERRY ROAD TO JUST EAST OF BATTLEFIELD PKWY
CLOSED DUE TO FLOODING.
1225 PM FLASH FLOOD 2 W BELMONT 39.06N 77.55W
04/30/2014 LOUDOUN VA EMERGENCY MNGR
SYCOLIN ROAD CLOSED AT SHREVE MILL ROAD.
1225 PM FLOOD 3 NNE WOOLSEY 38.91N 77.61W
04/30/2014 LOUDOUN VA EMERGENCY MNGR
PEACH ORCHARD LANE CLOSED AT FROSTY MEADOW LANE
1225 PM FLOOD 2 NNW GLEEDSVILLE 39.08N 77.62W
04/30/2014 LOUDOUN VA EMERGENCY MNGR
MOUNT GILDEAD ROAD CLOSED AT DUNLOP MILL ROAD
1228 PM FLOOD 1 NW BETHESDA 39.00N 77.14W
04/30/2014 MONTGOMERY MD EMERGENCY MNGR
BRADLEY ROAD CLOSED AT INTERSECTION WITH FERNWOOD ROAD
DUE TO FLOODING.
1230 PM FLOOD NEW BALTIMORE 38.77N 77.72W
04/30/2014 FAUQUIER VA TRAINED SPOTTER
SEVERAL INCHES OF WATER REPORTED FLOWING OVER THE
ROADWAY ON HWY 29 NEAR SOUTH RUN AND THE TOWN OF NEW
BALTIMORE JUST SOUTH OF RT 600
1230 PM FLOOD 2 NW STONY POINT 38.13N 78.39W
04/30/2014 ALBEMARLE VA 911 CALL CENTER
WATTS PASSAGE ROAD WASHOUT IN 3600 BLOCK
1239 PM FLOOD LYDIA 38.33N 78.50W
04/30/2014 GREENE VA 911 CALL CENTER
BRIDGE OVERRUNNING NEAR 3200 BLOCK OF MUTTON HOLLOW RD
1240 PM FLOOD 1 NW RAVENSWORTH 38.81N 77.23W
04/30/2014 FAIRFAX VA OTHER FEDERAL
THE STREAM GAUGE ON ACCOTINK CREEK AT ANNANDALE
EXCEEDED ITS FLOOD STAGE OF 9.5 FEET. NEARBY ROADS WERE
FLOODED. THE STREAM CONTINUES TO RISE AS OF 445 PM.
1255 PM FLOOD 1 NNW ADVANCE MILLS 38.20N 78.45W
04/30/2014 ALBEMARLE VA 911 CALL CENTER
1400 BLOCK OF DURETTE RIDGE RD. BRIDGE UNDER WATER
0100 PM FLOOD FREDERICK 39.43N 77.42W
04/30/2014 FREDERICK MD 911 CALL CENTER
NUMEROUS ROAD CLOSURES NORTH OF THE CITY OF FREDERICK
MARYLAND DUE TO HIGH WATER.
0100 PM FLOOD 1 SSW MARSTON 39.49N 77.10W
04/30/2014 CARROLL MD 911 CALL CENTER
SAMS CREEK ROAD BETWEEN OAK ORCHARD ROAD AND ROUTE 31
CLOSED DUE TO HIGH WATER.
0106 PM FLOOD GAITHERSBURG 39.14N 77.22W
04/30/2014 MONTGOMERY MD EMERGENCY MNGR
WATER RESCUE DUE TO HIGH WATER AT INTERSECTION OF
BRADLEY BOULEVARD AND FALLEN OAK DRIVE
0125 PM FLOOD 1 NE GLENMONT 39.07N 77.03W
04/30/2014 MONTGOMERY MD OTHER FEDERAL
THE STREAM GAUGE ON THE NW BRANCH ANACOSTIA RIVER AT
COLESVILLE EXCEEDED ITS FLOOD STAGE OF 9 FEET. THE RIVER
WAS STILL RISING AT 545 PM.
0137 PM FLOOD 2 NE ELKRIDGE 39.22N 76.73W
04/30/2014 HOWARD MD OTHER FEDERAL
THE PATAPSCO RIVER GAUGE IN ELKRIDGE AT THE PATAPSCO
VALLEY STATE PARK EXCEEDED FLOOD STAGE OF 15 FEET. THE
RIVER WAS STILL RISING AS OF 530 PM AND HAD RISEN TO
MAJOR FLOOD LEVEL.
0155 PM FLOOD CATLETT 38.65N 77.64W
04/30/2014 FAUQUIER VA PUBLIC
KETTLE RUN OVER ROUTE 604.
0156 PM FLASH FLOOD 1 W BETHESDA 38.99N 77.14W
04/30/2014 MONTGOMERY MD EMERGENCY MNGR
SEVERAL WATER RESCUES IN THE COUNTY...INCLUDING IN
BETHESDA AT BURNING TREE ROAD AND MELODY LANE.
0200 PM FLOOD 3 SSW HARNEY 39.68N 77.23W
04/30/2014 CARROLL MD OTHER FEDERAL
THE STREAM GAUGE ON THE MONOCACY RIVER AT BRIDGEPORT
EXCEEDED THE 13 FOOT FLOOD STAGE. NEARBY ROADS WERE
FLOODED. THE STREAM CONTINUES TO RISE AS OF 530 PM.
0220 PM FLOOD 1 NW BEALETON 38.58N 77.77W
04/30/2014 FAUQUIER VA TRAINED SPOTTER
ROUTE 28 CLOSED DUE TO FLOODING.
0220 PM FLASH FLOOD ELLICOTT CITY 39.27N 76.83W
04/30/2014 HOWARD MD EMERGENCY MNGR
NUMEROUS ROAD CLOSURES REPORTED WITHIN THE
COUNTY...ESPECIALLY SOUTH OF INTERSTATE 70 AND NORTH OF
32 IN THE VICINITY OF ELLICOTT CITY AND COLUMBIA.
0230 PM FLOOD 2 SSW STERLING 38.98N 77.45W
04/30/2014 LOUDOUN VA NWS EMPLOYEE
RELOCATION DR CLOSED BETWEEN RT 606 AND EXCECUTIVE DR
DUE TO HIGH WATER.
0235 PM FLOOD ILCHESTER 39.25N 76.76W
04/30/2014 BALTIMORE MD OTHER FEDERAL
THE STREAM GAUGE ON THE PATAPSCO RIVER AT CATONSVILLE
EXCEEDED ITS FLOOD STAGE OF 20 FEET. THE RIVER WAS NEAR
CREST AT 530 PM AT 23.83 FEET.
0250 PM FLOOD 2 NE JACKSONVILLE 39.54N 76.53W
04/30/2014 BALTIMORE MD TRAINED SPOTTER
WATER FLOWING ACROSS THE ROAD NEAR INTERSECTION OF
PAPERMILL RD AND ALLISON RD
0250 PM FLOOD 1 SW HUNT VALLEY 39.49N 76.65W
04/30/2014 BALTIMORE MD OTHER FEDERAL
THE STREAM GAUGE ON BEAVERDAM RUN AT COCKEYSVILLE
EXCEEDED ITS FLOOD STAGE OF 9 FEET. NEARBY ROADS WERE
CLOSED. THE STREAM CRESTED AROUND 5 PM AT 10.94 FEET.
0300 PM FLOOD 1 W JACKSONVILLE 39.52N 76.58W
04/30/2014 BALTIMORE MD TRAINED SPOTTER
WATER 2 INCHES DEEP FLOWING ACROSS ROAD NEAR 2838 PAPER
MILL RD
0305 PM FLOOD 1 SE PHOENIX 39.51N 76.61W
04/30/2014 BALTIMORE MD TRAINED SPOTTER
WATER 1 TO 2 INCHES DEEP FLOWING ACROSS PAPER MILL RD
NEAR HUNT VALLEY INN GOLF COURSE. GOLF COURSE IS
FLOODED.
0308 PM FLOOD NOTTINGHAM 39.37N 76.45W
04/30/2014 BALTIMORE MD OTHER FEDERAL
THE STREAM GAUGE ON WHITEMARSH RUN IN WHITE MARSH
EXCEEDED THE FLOOD STAGE OF 10 FEET. IT WAS CONTINUING
TO RISE AS OF 530 PM.
0320 PM FLASH FLOOD 1 SW CHEVY CHASE VIEW 39.01N 77.09W
04/30/2014 MONTGOMERY MD EMERGENCY MNGR
HIGH WATER RESCUE...I 495 UNDERPASS...9550 CEDAR LANE.
0327 PM FLASH FLOOD HUNT VALLEY 39.50N 76.64W
04/30/2014 BALTIMORE MD PUBLIC
SEVERAL INCHES OF FLOWING WATER OVER PAPER MILL ROAD
FROM WESTERN RUN.
0330 PM FLASH FLOOD 2 SE CYLBURN 39.33N 76.64W
04/30/2014 BALTIMORE CITY MD EMERGENCY MNGR
JONES FALLS OUT OF BANKS. FLOODING REPORTED AT THE
MOUNT WASHINGTON MILL COMPLEX AND WATER MOVING ACROSS
CLIPPER MILL ROAD.
0330 PM FLOOD 1 NNW BELLEVIEW 38.98N 77.25W
04/30/2014 FAIRFAX VA OTHER FEDERAL
THE STREAM GAUGE ON DIFFICULT RUN AT GREAT FALLS
EXCEEDED ITS FLOOD STAGE OF 11 FEET. IT WAS STILL RISING
AS OF 515 PM.
0330 PM FLOOD 1 SSE UPPER MARLBORO 38.81N 76.75W
04/30/2014 PRINCE GEORGES MD OTHER FEDERAL
THE STREAM GAUGE ON WESTERN BRANCH AT UPPER MARLBORO
EXCEEDED ITS FLOOD STAGE...FLOODING WATER STREET. THE
RIVER WAS STILL RISING AT 615 PM.
0345 PM FLOOD 1 NW COCKEYSVILLE 39.49N 76.65W
04/30/2014 BALTIMORE MD TRAINED SPOTTER
YORK ROAD FLOODED AT BEAVER RUN.
0350 PM FLASH FLOOD 1 S PHOENIX 39.51N 76.61W
04/30/2014 BALTIMORE MD TRAINED SPOTTER
PAPER MILL RD FLOODED WITH AT LEAST 6 INCHES OF WATER
FLOWING ACROSS IT BETWEEN POPULAR HILL RD AND PHOENIX RD
0352 PM FLOOD BRINKLOW 39.17N 77.02W
04/30/2014 MONTGOMERY MD OTHER FEDERAL
THE STREAM GAUGE ON HAWLINGS RIVER AT SANDY SPRING
EXCEEDED THE FLOOD STAGE OF 6.5 FEET. NEARBY ROADS WERE
FLOODED. THE RIVER CRESTED AT 6.84 FEET AT AROUND 515
PM.
0415 PM FLASH FLOOD 2 NNE OELLA 39.30N 76.78W
04/30/2014 HOWARD MD EMERGENCY MNGR
HEAVY RAIN CAUSED A SMALL LANDSLIDE THAT CLOSED
EASTBOUND US 40 IN PATAPSCO STATE PARK NEAR THE
BALTIMORE COUNTY LINE.
0520 PM FLOOD BRIGHTON DAM 39.19N 77.01W
04/30/2014 MONTGOMERY MD OTHER FEDERAL
THE STREAM GAUGE ON THE PATUXENT RIVER BELOW BRIGHTON
DAM EXCEEDED ITS FLOOD STAGE OF 9 FEET. ROADS BELOW THE
DAM WERE FLOODED.
0530 PM FLOOD LOCUST GROVE 38.30N 77.81W
04/30/2014 ORANGE VA 911 CALL CENTER
GOLD DALE DR CLOSED DUE TO HIGH WATER SOUTH OF
CONSTITUTION HWY
0535 PM FLASH FLOOD 3 NNW CENTREVILLE 38.88N 77.46W
04/30/2014 FAIRFAX VA EMERGENCY MNGR
WATER RESCUE PERFORMED ON OLD LEE ROAD AT STONECROFT
BOULEVARD.
0545 PM FLASH FLOOD 1 S CHEVY CHASE VIEW 39.01N 77.08W
04/30/2014 MONTGOMERY MD TRAINED SPOTTER
BEACH DRIVE IS CLOSED IN BOTH DIRECTIONS AT CONNECTICUT
AVENUE. WATER IS ESTIMATED 2 TO 3 FEET DEEP.
0545 PM FLASH FLOOD 2 WNW HELEN 38.39N 76.75W
04/30/2014 ST. MARYS MD 911 CALL CENTER
BAPTIST CHURCH RD FLOODED NEAR JOHN WAYNE CT
0555 PM FLOOD 2 E MANASSAS PARK 38.79N 77.43W
04/30/2014 PRINCE WILLIAM VA 911 CALL CENTER
LAKE DRIVE CLOSED AT LELAND ROAD DUE TO FLOODING.
0628 PM COASTAL FLOOD 1 NNE LOWER MARLBORO 38.66N 76.68W
04/30/2014 CALVERT MD 911 CALL CENTER
WATER RESUCE NEAR CHANEYVILLE RD AND DECOY DR
0630 PM FLOOD 1 WSW BRIGHTON DAM 39.18N 77.03W
04/30/2014 MONTGOMERY MD DEPT OF HIGHWAYS
NEW HAMPSHIRE AVE CLOSED BETWEEN BRIGHTON KNOLLS DR AND
GOLD MINE RD.
0745 PM FLOOD 3 ENE STERLING PARK 39.02N 77.37W
04/30/2014 LOUDOUN VA FIRE DEPT/RESCUE
WATER FLOWING OVER THOMAS AVENUE AT SUGARLAND RUN
BETWEEN LAKELAND DR AND ALGONKIAN PARKWAY
&&
EVENT NUMBER LWX1400090 LWX1400096 LWX1400089 LWX1400092 LWX1400091
LWX1400093 LWX1400094 LWX1400118 LWX1400119 LWX1400095 LWX1400109
LWX1400097 LWX1400098 LWX1400123 LWX1400129 LWX1400099 LWX1400126
LWX1400134 LWX1400133 LWX1400101 LWX1400102 LWX1400103 LWX1400104
LWX1400100 LWX1400105 LWX1400115 LWX1400125 LWX1400139 LWX1400116
LWX1400106 LWX1400107 LWX1400108 LWX1400140 LWX1400132 LWX1400110
LWX1400111 LWX1400141 LWX1400112 LWX1400114 LWX1400113 LWX1400135
LWX1400117 LWX1400137 LWX1400120 LWX1400122 LWX1400136 LWX1400121
LWX1400124 LWX1400128 LWX1400143 LWX1400145 LWX1400127 LWX1400130
LWX1400144 LWX1400138 LWX1400146 LWX1400151 LWX1400154 LWX1400142
LWX1400147 LWX1400153 LWX1400150 LWX1400149 LWX1400152
JRKThe national radar mosaic for the moment the first event began.
1 flood. Local standard time, as filed.
The Robinson River stream gauge at Locust Dale exceeded its flood stage of 11 feet. This event peaked at 14.01 feet. At 14 ft, multiple spots on Route 721 are flooded, along with other nearby low lying land. Access may be affected for residents.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Virginia in 2014Every state in 2014This day in weather historyWarnings in Virginia, May 2014
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 514542.