Delaware, 2014Flood in Delaware, May 1, 2014
May 1, 2014 · NWS PHI · 1 event in 1 county or zone
A slow moving low pressure system and a deep southerly flow from the Gulf of Mexico and then the Atlantic Ocean dropped heavy rain across Delaware centered on April 30th. Event precipitation totals averaged 2 to 5 inches, with the highest amounts in New Castle County.
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- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 1
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.
A slow moving low pressure system and a deep southerly flow from the Gulf of Mexico and then the Atlantic Ocean dropped heavy rain across Delaware centered on April 30th. Event precipitation totals averaged 2 to 5 inches, with the highest amounts in New Castle County. This caused poor drainage and field flooding as well as flooding of creeks and rivers, mainly in New Castle County. While the rain ended on April 30th, flooding persisted into May 1st. Creek flooding in parts of New Castle County were the highest since Tropical Storm Irene in August of 2011. The steady rain began during the afternoon of April 29th and fell at its heaviest during the morning into the early evening of April 30th. The rain ended during the late evening of April 30th.
The heavy rain was caused by the combination of a strong high pressure system that built over the Canadian Maritimes that initiated the onshore flow and a strong, but slow moving low pressure system. The low pressure system was located in northwest Missouri on the morning of April 29th. It moved northeast to near Chicago during the afternoon of April 29th. The low pressure system then became nearly stationary in southern Wisconsin as its cold front reached Ohio early on April 30th. Then a new low pressure system developed on the frontal boundary and was over Eastern Tennessee on the morning of April 30th. The low pressure system reached West Virginia during the late afternoon on April 30th as its warm front started to move through Delmarva. The low pressure system reached north central Maryland at 11 p.m. EDT on April 30th as its warm front reached extreme southeast Pennsylvania and central New Jersey. The low pressure system reached the Allentown, Pennsylvania area at 5 a.m. EDT on May 1st and then was absorbed again into the frontal boundary associated with the original low as it moved into New York State that morning. The steady rain ended as the low pressure system passed north of Delaware.
What forecasters said that day
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 Philadelphia/Mount Holly wrote its last area forecast discussion before the first event at Apr 30, 11:36 PM EST, 24 minutes earlier.
Area forecast discussion, Apr 30, 11:36 PM EST, 24 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1236 AM EDT THU MAY 1 2014
.SYNOPSIS...
A WARM FRONT WILL LIFT THROUGH MUCH OF THE AREA OVERNIGHT,
FOLLOWED BY A COLD FRONT THURSDAY MORNING AS LOW PRESSURE
CONTINUES TO DRIFT INTO THE GREAT LAKES REGION THEN INTO EASTERN
CANADA. HIGH PRESSURE WILL BUILD TO OUR SOUTH THROUGH THE WEEKEND
WHILE LOW PRESSURE SLIDES TO OUR NORTH SATURDAY NIGHT INTO SUNDAY,
DRAGGING A COLD FRONT ACROSS THE AREA SUNDAY. HIGH PRESSURE IS
EXPECTED TO BUILD SOUTHWARD ACROSS THE AREA MONDAY INTO TUESDAY
FROM CENTRAL CANADA.
&&
.NEAR TERM /UNTIL 6 AM THIS MORNING/...
NUMEROUS FLOOD WARNINGS REMAINED IN EFFECT FOR OUR AREA AT 1230
AM WITH MUCH OF OUR REGION RECEIVING FROM TWO TO SIX INCHES OF
RAINFALL.
THE WARM FRONT HAD LIFTED INTO SOUTHEASTERN PENNSYLVANIA AND
CENTRAL NEW JERSEY. IT WILL CONTINUE TO DRIFT NORTHWARD DURING THE
BALANCE OF THE NIGHT. TEMPERATURES WERE MAINLY IN THE UPPER 50S
AND 60S TO THE SOUTH OF THE BOUNDARY AND IN THE UPPER 40S AND
LOWER 50S TO THE NORTH.
SOME MODERATE TO HEAVY RAIN REMAINED OVER OUR NORTHERN COUNTIES
AT 1230 AM. IT SHOULD CONTINUE TO LIFT NORTHWARD AND OUT OF OUR
FORECAST AREA BY 130 AM. SCATTERED SHOWERS WILL LINGER FOR THE
BALANCE OF THE NIGHT. WE HAVE LOWERED THE PRECIPITATION
PROBABILITIES AND THE RAINFALL AMOUNTS FOR THE REST OF THE
OVERNIGHT PERIOD BASED ON RADAR TRENDS.
&&
.SHORT TERM /6 AM THIS MORNING THROUGH 6 PM TODAY/...
SLOW IMPROVEMENT IS EXPECTED ON THU AS THE LOW FINALLY MOVES AWAY
FROM THE REGION. TEMPS SHOULD RESPOND IN KIND, ESPECIALLY IF WE
GET SOME AFTN SUNSHINE. THERE COULD BE SOME LINGERING PRECIP
EARLY, IF THE SLOWER SOLNS ARE CORRECT BUT A BETTER DAY IS IN
STORE, OVERALL.
&&
.LONG TERM /TONIGHT THROUGH WEDNESDAY/...
THE COLD FRONT WILL MOVE WELL OFFSHORE THURSDAY NIGHT, WHILE LOW
PRESSURE MOVES THROUGH THE GREAT LAKES INTO EASTERN CANADA. THERE
COULD BE SOME LINGERING SHOWERS ACROSS THE COASTAL WATERS AND THE
FAR SOUTHEASTERN PART OF THE AREA, SO SLIGHT CHANCE POPS REMAIN
THERE.
THE LOW ACROSS EASTERN CANADA IS EXPECTED TO SPLIT ON FRIDAY,
WITH ONE PIECE MOVING INTO THE CANADIAN MARITIMES, WHILE THE OTHER
RETROGRADES INTO CENTRAL CANADA. AS THIS HAPPENS, BOTH A WEAK
SURFACE TROUGH AND MID-LEVEL SHORT WAVE/VORT MAX ARE FORECAST TO
TRACK ACROSS THE AREA ON FRIDAY. THERE IS NOT A SIGNIFICANT AMOUNT
OF MOISTURE ASSOCIATED WITH THESE FEATURES, BUT THERE MAY BE
ENOUGH TO CREATE A FEW SCATTERED SHOWERS ACROSS OUR NORTHERN ZONES
DURING THE AFTERNOON FRIDAY. ANY SHOWER ACTIVITY SHOULD DISSIPATE
BY SUNSET WITH THE LOSS OF DAYTIME HEATING.
A SIMILAR SITUATION IS FORECAST TO OCCUR ON SATURDAY AS FRIDAY
WITH A SHORT WAVE/VORT MAX MOVING THROUGH, WITH A WEAK SURFACE
REFLECTION AS WELL. THERE LOOKS TO BE A LITTLE MORE MOISTURE TO
WORK WITH ON SATURDAY, SO POP CHANCES ARE SLIGHTLY HIGHER
SATURDAY, WITH POPS GENERALLY FOR THE NORTHERN HALF OF THE AREA,
WITH HIGHEST ACROSS THE NORTHWEST. ANY SHOWER ACTIVITY WILL
DISSIPATE WITH DAYTIME HEATING AFTER THE SUNSETS, BUT IF THEY ARE
MORE WIDESPREAD THAN FRIDAY, THEY COULD LAST FOR A COUPLE OF HOURS
AFTER SUNSET.
ON SUNDAY, THE LOW ACROSS CANADA WILL MOVE INTO NEW ENGLAND AND
FINALLY BRING A COLD FRONT ACROSS THE AREA. ALTHOUGH THERE STILL
IS NOT MUCH MOISTURE TO WORK WITH, THERE WILL BE PRECIPITATION
CHANCES FOR ALL AREAS, WITH THE HIGHEST ACROSS THE NORTHERN TWO-
THIRDS OF THE AREA. THE FRONT IS EXPECTED TO MOVE OFFSHORE LATE IN
THE DAY OR DURING THE EVENING, SO PRECIPITATION CHANCES SHOULD END
BY SUNDAY NIGHT.
FOR MONDAY INTO TUESDAY, HIGH PRESSURE IS EXPECTED TO BUILD
ACROSS THE AREA FROM CENTRAL CANADA. THIS WILL PROVIDE DRY WEATHER
FOR EARLY NEXT WEEK. THE GFS AND ECMWF DO SHOW SOME QPF ON THE
EASTERN SIDE OF THE UPPER RIDGE THAT BUILDS ACROSS THE CENTRAL
PART OF THE COUNTRY, BUT THEY HAVE LOCATION DIFFERENCES. THE GFS
BRINGS THE PRECIPITATION RIGHT OVER OUR AREA TUESDAY INTO TUESDAY
NIGHT, WHILE THE ECMWF KEEPS THIS PRECIPITATION TO OUR SOUTH,
GENERALLY AROUND THE SAME TIME PERIOD. FOR NOW, WE WILL KEEP THE
FORECAST DRY UNTIL OUR CONFIDENCE BUILDS.
ON WEDNESDAY, THE SURFACE HIGH BUILDS OFFSHORE, WHILE THE UPPER
RIDGE BUILDS CLOSER TO THE AREA, AND A WARM FRONT APPROACHES THE
AREA. THEREFORE, PRECIPITATION CHANCE DO INCREASE BY WEDNESDAY
INTO WEDNESDAY NIGHT.
&&
.AVIATION /06Z THURSDAY THROUGH MONDAY/...
THE FOLLOWING DISCUSSION IS FOR KPHL, KPNE, KTTN, KABE, KRDG,
KILG, KMIV, KACY AND SURROUNDING AREAS.
WIDESPREAD IFR ACROSS THE TERMINALS THIS EVENING. THESE
CONDITIONS WILL CONTINUE OVERNIGHT WITH SHOWERS EARLY AND SOME
DRIZZLE LATE. THERE WILL BE SOME IMPROVEMENT DURG THE MRNG HOURS
ON THU. HOWEVER, HAVE SLOWED THE IMPROVING TREND ON THU. AN E TO
NE WIND WILL GRADUALLY BECOME S THIS EVE AS A WMFNT MOVES THRU.
EXPECT SPEEDS IN THE 10 TO 15 KT RANGE WITH GUSTS TO 25 KTS. THERE
WILL BE SOME LLWS AS WELL.
OUTLOOK...
THURSDAY NIGHT-FRIDAY NIGHT...MOSTLY VFR. GUSTY WEST WINDS AROUND
20 KNOTS FRIDAY AFTERNOON. ISOLATED SHOWERS ACROSS FAR NORTHWEST
SATURDAY-SATURDAY NIGHT...MOSTLY VFR. AFTERNOON SHOWERS POSSIBLE,
MAINLY NORTHWESTERN TAFS. GUSTY SOUTHWEST WINDS 15-20 KNOTS.
SUNDAY...MOSTLY VFR...SHOWERS POSSIBLE ASSOCIATED WITH FRONTAL
PASSAGE WITH BRIEF MVFR CONDITIONS POSSIBLE. GUSTY SOUTHWEST WINDS
EARLY, THEN NORTHWEST LATER BEHIND FRONT AROUND 20-25 KNOTS.
SUNDAY NIGHT-MONDAY...MOSTLY VFR. GUSTY NORTHWEST WINDS 20-25
KNOTS.
&&
.MARINE...
WILL DROP THE GLW ON THE NRN WATERS WITH THIS PKG. WILL GO WITH A
SCA EVERYWHERE. THE BAY HAS BEEN HARD PRESSED TO HIT SCA TODAY,
BUT AM HAVING A HARD TIME TAKING IT DOWN UNTIL THE PRECIP AND THE
FRONT MOVES BY.
OUTLOOK...
THURSDAY NIGHT...SMALL CRAFT ADVISORY CONTINUES ON OCEAN DUE TO
SEAS REMAINING ELEVATED.
FRIDAY-SUNDAY...SUB-ADVISORY CONDITIONS EXPECTED.
SUNDAY NIGHT-MONDAY...RETURN TO SMALL CRAFT ADVISORY CONDITIONS
POSSIBLE BEHIND A FRONTAL PASSAGE.
&&
.HYDROLOGY...
FLOOD WATCH REMAINS IN PLACE AND WARNINGS ARE BEING ISSUED.
PLEASE REFER TO THE LATEST HYDROLOGIC PRODUCTS FOR MORE
INFORMATION.
&&
.TIDES/COASTAL FLOODING...
THE COASTAL FLOOD ADVISORY FOR THE NEW JERSEY AND DELAWARE
OCEANFRONT, FOR RARITAN BAY, DELAWARE BAY AND THE BACK BAYS WILL
BE ALLOWED TO EXPIRE AT 100 AM AS WE MOVE AWAY FROM THE HIGH TIDE.
THE NEXT HIGH TIDE CYCLE IS LOWER THAN THE PREVIOUS ONE, SO NO
ADDITIONAL COASTAL FLOODING IS ANTICIPATED WITH THIS EVENT FOR
THE AREAS LISTED ABOVE.
A CFW (ADVISORY) REMAINS IN EFFECT FOR THE TIDAL DELAWARE RIVER
SINCE IT APPEARS THAT MORE MINOR TIDAL FLOODING WILL OCCUR LATE
TONIGHT INTO THU MORNING.
FINALLY...OVER THE ERN SHORE OF MD...THE NEXT HIGH TIDE WILL
BRING TIDE LEVELS TO MINOR TIDAL FLOODING FOR THE ERN SHORE
COUNTIES. WE WILL CONTINUE THE ADVISORY THERE THROUGH 11 AM.
&&
.PHI WATCHES/WARNINGS/ADVISORIES...
PA...FLOOD WATCH UNTIL NOON EDT TODAY FOR PAZ054-055-060>062-070-
071-101>106.
COASTAL FLOOD ADVISORY UNTIL 9 AM EDT THIS MORNING FOR PAZ070-
071.
NJ...FLOOD WATCH UNTIL NOON EDT TODAY FOR NJZ001-007>010-012-013-
015>019.
COASTAL FLOOD ADVISORY UNTIL 9 AM EDT THIS MORNING FOR
NJZ016>019.
DE...FLOOD WATCH UNTIL NOON EDT TODAY FOR DEZ001.
COASTAL FLOOD ADVISORY UNTIL 9 AM EDT THIS MORNING FOR DEZ001.
MD...FLOOD WATCH UNTIL NOON EDT TODAY FOR MDZ008-012.
COASTAL FLOOD ADVISORY UNTIL 11 AM EDT THIS MORNING FOR MDZ008-
012-015-019-020.
MARINE...SMALL CRAFT ADVISORY UNTIL 5 AM EDT FRIDAY FOR ANZ450>455.
SMALL CRAFT ADVISORY UNTIL 8 PM EDT THIS EVENING FOR ANZ430-
431.
&&
SYNOPSIS...ROBERTSON
NEAR TERM...IOVINO
SHORT TERM...NIERENBERG
LONG TERM...ROBERTSON
AVIATION...NIERENBERG/ROBERTSON
MARINE...NIERENBERG/ROBERTSON
HYDROLOGY...
TIDES/COASTAL FLOODING...Hazardous weather outlook, Apr 30, 11:38 PM EST, 22 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1238 AM EDT THU MAY 1 2014
NJZ001-007>010-012-013-015-PAZ054-055-061-062-105-020445-
SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-WESTERN MONMOUTH-
MERCER-CARBON-MONROE-LEHIGH-NORTHAMPTON-UPPER BUCKS-
1238 AM EDT THU MAY 1 2014
...FLOOD WATCH IN EFFECT UNTIL NOON EDT TODAY...
THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL NEW JERSEY...NORTHERN
NEW JERSEY...NORTHWEST NEW JERSEY...EAST CENTRAL
PENNSYLVANIA...NORTHEAST PENNSYLVANIA AND SOUTHEAST PENNSYLVANIA.
.DAY ONE...TONIGHT.
PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.
FLOOD WATCH.
.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.
THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
DEZ001-NJZ016>019-PAZ070-071-020445-
NEW CASTLE-SALEM-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-DELAWARE-
PHILADELPHIA-
1238 AM EDT THU MAY 1 2014
...FLOOD WATCH IN EFFECT UNTIL NOON EDT TODAY...
...COASTAL FLOOD ADVISORY IN EFFECT UNTIL 9 AM EDT THIS MORNING...
THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHERN DELAWARE...SOUTHERN
NEW JERSEY AND SOUTHEAST PENNSYLVANIA.
.DAY ONE...TONIGHT.
PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.
FLOOD WATCH.
COASTAL FLOOD ADVISORY.
.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.
THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
PAZ060-101>104-106-020445-
BERKS-WESTERN CHESTER-EASTERN CHESTER-WESTERN MONTGOMERY-
EASTERN MONTGOMERY-LOWER BUCKS-
1238 AM EDT THU MAY 1 2014
...FLOOD WATCH IN EFFECT UNTIL NOON EDT TODAY...
THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL PENNSYLVANIA AND
SOUTHEAST PENNSYLVANIA.
.DAY ONE...TONIGHT.
PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.
FLOOD WATCH.
.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.
THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
MDZ015-019-020-020445-
QUEEN ANNES-TALBOT-CAROLINE-
1238 AM EDT THU MAY 1 2014
...COASTAL FLOOD ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING...
THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST MARYLAND.
.DAY ONE...TONIGHT.
PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.
COASTAL FLOOD ADVISORY.
.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.
THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
MDZ008-012-020445-
CECIL-KENT MD-
1238 AM EDT THU MAY 1 2014
...COASTAL FLOOD ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING...
...FLOOD WATCH IN EFFECT UNTIL NOON EDT TODAY...
THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST MARYLAND.
.DAY ONE...TONIGHT.
PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.
FLOOD WATCH.
COASTAL FLOOD ADVISORY.
.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.
THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
DEZ002>004-NJZ014-020>027-020445-
KENT-INLAND SUSSEX-DELAWARE BEACHES-EASTERN MONMOUTH-OCEAN-
CUMBERLAND-ATLANTIC-CAPE MAY-ATLANTIC COASTAL CAPE MAY-
COASTAL ATLANTIC-COASTAL OCEAN-SOUTHEASTERN BURLINGTON-
1238 AM EDT THU MAY 1 2014
THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL DELAWARE...SOUTHERN
DELAWARE...CENTRAL NEW JERSEY AND SOUTHERN NEW JERSEY.
.DAY ONE...TONIGHT.
NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.
THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
ANZ450-451-020445-
COASTAL WATERS FROM SANDY HOOK TO MANASQUAN INLET NJ OUT 20 NM-
COASTAL WATERS FROM MANASQUAN INLET TO LITTLE EGG INLET NJ OUT 20 NM-
1238 AM EDT THU MAY 1 2014
THIS HAZARDOUS WEATHER OUTLOOK IS FOR ATLANTIC COASTAL WATERS.
.DAY ONE...TONIGHT.
NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.
THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
ANZ430-431-452>455-020445-
DELAWARE BAY WATERS NORTH OF EAST POINT NJ TO SLAUGHTER BEACH DE-
DELAWARE BAY WATERS SOUTH OF EAST POINT NJ TO SLAUGHTER BEACH DE-
COASTAL WATERS FROM LITTLE EGG INLET TO GREAT EGG INLET NJ OUT 20 NM-
COASTAL WATERS FROM GREAT EGG INLET TO CAPE MAY NJ OUT 20 NM-
COASTAL WATERS FROM CAPE MAY NJ TO CAPE HENLOPEN DE OUT 20 NM-
COASTAL WATERS FROM CAPE HENLOPEN TO FENWICK ISLAND DE OUT 20 NM-
1238 AM EDT THU MAY 1 2014
THIS HAZARDOUS WEATHER OUTLOOK IS FOR ATLANTIC COASTAL WATERS AND
DELAWARE BAY WATERS.
.DAY ONE...TONIGHT.
NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.
THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
In the hours before
Special weather statement, Apr 30, 6:20 PM EST, 5 hours 40 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
720 PM EDT WED APR 30 2014
NJZ013-014-018>020-022-024>027-010115-
ATLANTIC NJ-ATLANTIC COASTAL CAPE MAY NJ-CAMDEN NJ-
COASTAL ATLANTIC NJ-COASTAL OCEAN NJ-EASTERN MONMOUTH NJ-
NORTHWESTERN BURLINGTON NJ-OCEAN NJ-SOUTHEASTERN BURLINGTON NJ-
WESTERN MONMOUTH NJ-
720 PM EDT WED APR 30 2014
...A LINE OF SHOWERS AND ISOLATED THUNDERSTORMS WILL AFFECT
ATLANTIC...BURLINGTON...CAMDEN...MONMOUTH...NORTHEASTERN CAPE MAY
AND OCEAN COUNTIES...
AT 718 PM EDT...A LINE OF SHOWERS AND ISOLATED THUNDERSTORMS WAS
LOCATED FROM EVESHAM TO ATSION TO EGG HARBOR CITY TO ENGLISH
CREEK...MOVING NORTHEAST AT 35 MPH.
VERY HEAVY RAIN WILL FALL FROM THESE STORMS...AND WILL CAUSE WATER TO
POND ON ROADS AND FILL POOR DRAINAGE AREAS. THE RAIN CAN CAUSE RAPID
RISES ON SMALL STREAMS AND CREEKS.
THE HEAVY RAIN WILL BE NEAR LUMBERTON...LUMBERTON...MOUNT
HOLLY...AND WESTAMPTON AROUND 730
PM...JOBSTOWN...JOBSTOWN...COLUMBUS...AND JACKSONVILLE AROUND 745
PM...GEORGETOWN AND ALLENTOWN AROUND 800 PM.
LAT...LON 3973 7410 3956 7422 3950 7430 3947 7430
3923 7468 3929 7464 3934 7475 3951 7476
3988 7508 4016 7464 4014 7459 4017 7461
4028 7440 4044 7418 4046 7414 4042 7401
4047 7400 4045 7396 4032 7396
TFGLocal storm report, Apr 30, 7:44 PM EST, 4 hours 16 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
844 PM EDT WED APR 30 2014
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0147 PM FLOOD EAST COVENTRY TWP 40.20N 75.62W
04/30/2014 CHESTER PA TRAINED SPOTTER
PIGEON CREEK OVERFLOW...HALTEMAN ROAD AND KOLP ROAD
INTERSECTION IS FLOODED.
&&
CORRECTED EVENT
EVENT NUMBER PHI1400151
STAFFLocal storm report, Apr 30, 7:45 PM EST, 4 hours 15 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
845 PM EDT WED APR 30 2014
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0147 PM FLOOD EAST COVENTRY TWP 40.20N 75.62W
04/30/2014 CHESTER PA TRAINED SPOTTER
PIGEON CREEK OVERFLOW...HALTEMAN ROAD AND KOLP ROAD
INTERSECTION IS FLOODED.
0345 PM FLOOD MILFORD TWP 40.42N 75.41W
04/30/2014 BUCKS PA EMERGENCY MNGR
STATE ROAD 663 MILDFORD TWP IS CLOSED DUE TO FLOODING
0345 PM FLOOD NEW BRITAIN TWP 40.32N 75.20W
04/30/2014 BUCKS PA EMERGENCY MNGR
COUNTY LINE ROAD IN NEW BRITAIN TWP IS CLOSED DUE TO
FLOODING
0609 PM FLOOD HOPEWELL TWP 40.35N 74.78W
04/30/2014 MERCER NJ TRAINED SPOTTER
ROADS FLOODED THROUGHOUT THE TOWNSHIP.
0611 PM FLOOD READINGTON TWP 40.57N 74.80W
04/30/2014 HUNTERDON NJ TRAINED SPOTTER
ROUTE 22 CLOSED DUE TO FLOODING.
0612 PM FLOOD STEVENSVILLE 38.98N 76.31W
04/30/2014 QUEEN ANNE'S MD TRAINED SPOTTER
SEVERAL AREAS OF HIGH STANDING WATER THROUGHOUT KENT
ISLAND.
0648 PM FLOOD AVONDALE 39.82N 75.78W
04/30/2014 CHESTER PA EMERGENCY MNGR
AN APARTMENT COMPLEX WAS EVACUATED DUE TO FLOODING
0655 PM FLOOD MODENA 39.96N 75.80W
04/30/2014 CHESTER PA EMERGENCY MNGR
AN APARTMENT COMPLEX WAS EVACUATED DUE TO FLOODING.
0656 PM FLOOD WEST CHESTER 39.96N 75.61W
04/30/2014 CHESTER PA EMERGENCY MNGR
NUMEROUS ROADS CLOSED THROUGHOUT COUNTY
0701 PM FLOOD LIMERICK TWP 40.22N 75.54W
04/30/2014 MONTGOMERY PA EMERGENCY MNGR
SEVERAL ROADS CLOSED DUE TO FLOODING IN THE TOWNSHIP.
0702 PM FLOOD SOUTH BRUNSWICK 40.39N 74.53W
04/30/2014 MIDDLESEX NJ EMERGENCY MNGR
ROUTE 1 SOUTH CLOSED AT RAYMOND ROAD.
0703 PM FLOOD HORSHAM TWP 40.20N 75.17W
04/30/2014 MONTGOMERY PA EMERGENCY MNGR
NUMEROUS ROADS CLOSED DUE TO FLOODING ACROSS THE
COUNTY.
&&
EVENT NUMBER PHI1400151 PHI1400152 PHI1400153 PHI1400154 PHI1400155
PHI1400156 PHI1400158 PHI1400157 PHI1400159 PHI1400160 PHI1400161
PHI1400162
STAFFLocal storm report, Apr 30, 8:54 PM EST, 3 hours 6 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
954 PM EDT WED APR 30 2014
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0147 PM FLOOD EAST COVENTRY TWP 40.20N 75.62W
04/30/2014 CHESTER PA TRAINED SPOTTER
PIGEON CREEK OVERFLOW...HALTEMAN ROAD AND KOLP ROAD
INTERSECTION IS FLOODED.
0345 PM FLOOD MILFORD TWP 40.42N 75.41W
04/30/2014 BUCKS PA EMERGENCY MNGR
STATE ROAD 663 MILDFORD TWP IS CLOSED DUE TO FLOODING
0345 PM FLOOD NEW BRITAIN TWP 40.32N 75.20W
04/30/2014 BUCKS PA EMERGENCY MNGR
COUNTY LINE ROAD IN NEW BRITAIN TWP IS CLOSED DUE TO
FLOODING
0609 PM FLOOD HOPEWELL TWP 40.35N 74.78W
04/30/2014 MERCER NJ TRAINED SPOTTER
ROADS FLOODED THROUGHOUT THE TOWNSHIP.
0611 PM FLOOD READINGTON TWP 40.57N 74.80W
04/30/2014 HUNTERDON NJ TRAINED SPOTTER
ROUTE 22 CLOSED DUE TO FLOODING.
0612 PM FLOOD STEVENSVILLE 38.98N 76.31W
04/30/2014 QUEEN ANNE'S MD TRAINED SPOTTER
SEVERAL AREAS OF HIGH STANDING WATER THROUGHOUT KENT
ISLAND.
0648 PM FLOOD AVONDALE 39.82N 75.78W
04/30/2014 CHESTER PA EMERGENCY MNGR
AN APARTMENT COMPLEX WAS EVACUATED DUE TO FLOODING
0655 PM FLOOD MODENA 39.96N 75.80W
04/30/2014 CHESTER PA EMERGENCY MNGR
AN APARTMENT COMPLEX WAS EVACUATED DUE TO FLOODING.
0656 PM FLOOD WEST CHESTER 39.96N 75.61W
04/30/2014 CHESTER PA EMERGENCY MNGR
NUMEROUS ROADS CLOSED THROUGHOUT COUNTY
0701 PM FLOOD LIMERICK TWP 40.22N 75.54W
04/30/2014 MONTGOMERY PA EMERGENCY MNGR
SEVERAL ROADS CLOSED DUE TO FLOODING IN THE TOWNSHIP.
0702 PM FLOOD SOUTH BRUNSWICK 40.39N 74.53W
04/30/2014 MIDDLESEX NJ EMERGENCY MNGR
ROUTE 1 SOUTH CLOSED AT RAYMOND ROAD.
0703 PM FLOOD HORSHAM TWP 40.20N 75.17W
04/30/2014 MONTGOMERY PA EMERGENCY MNGR
NUMEROUS ROADS CLOSED DUE TO FLOODING ACROSS THE
COUNTY.
0908 PM FLOOD MARLBORO 40.32N 74.25W
04/30/2014 MONMOUTH NJ PUBLIC
ROADS CLOSED DUE TO FLOODING
0926 PM FLOOD STANTON 39.72N 75.64W
04/30/2014 NEW CASTLE DE TRAINED SPOTTER
ROUTE 7 SOUTH AND ROUTE 2 IN NEWARK CLOSED.
&&
EVENT NUMBER PHI1400151 PHI1400152 PHI1400153 PHI1400154 PHI1400155
PHI1400156 PHI1400158 PHI1400157 PHI1400159 PHI1400160 PHI1400161
PHI1400162 PHI1400163 PHI1400164
STAFFLocal storm report, Apr 30, 11:08 PM EST, 52 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1208 AM EDT THU MAY 01 2014
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0147 PM FLOOD EAST COVENTRY TWP 40.20N 75.62W
04/30/2014 CHESTER PA TRAINED SPOTTER
PIGEON CREEK OVERFLOW...HALTEMAN ROAD AND KOLP ROAD
INTERSECTION IS FLOODED.
0345 PM FLOOD MILFORD TWP 40.42N 75.41W
04/30/2014 BUCKS PA EMERGENCY MNGR
STATE ROAD 663 MILDFORD TWP IS CLOSED DUE TO FLOODING
0345 PM FLOOD NEW BRITAIN TWP 40.32N 75.20W
04/30/2014 BUCKS PA EMERGENCY MNGR
COUNTY LINE ROAD IN NEW BRITAIN TWP IS CLOSED DUE TO
FLOODING
0609 PM FLOOD HOPEWELL TWP 40.35N 74.78W
04/30/2014 MERCER NJ TRAINED SPOTTER
ROADS FLOODED THROUGHOUT THE TOWNSHIP.
0611 PM FLOOD READINGTON TWP 40.57N 74.80W
04/30/2014 HUNTERDON NJ TRAINED SPOTTER
ROUTE 22 CLOSED DUE TO FLOODING.
0612 PM FLOOD STEVENSVILLE 38.98N 76.31W
04/30/2014 QUEEN ANNE'S MD TRAINED SPOTTER
SEVERAL AREAS OF HIGH STANDING WATER THROUGHOUT KENT
ISLAND.
0648 PM FLOOD AVONDALE 39.82N 75.78W
04/30/2014 CHESTER PA EMERGENCY MNGR
AN APARTMENT COMPLEX WAS EVACUATED DUE TO FLOODING
0655 PM FLOOD MODENA 39.96N 75.80W
04/30/2014 CHESTER PA EMERGENCY MNGR
AN APARTMENT COMPLEX WAS EVACUATED DUE TO FLOODING.
0656 PM FLOOD WEST CHESTER 39.96N 75.61W
04/30/2014 CHESTER PA EMERGENCY MNGR
NUMEROUS ROADS CLOSED THROUGHOUT COUNTY
0701 PM FLOOD LIMERICK TWP 40.22N 75.54W
04/30/2014 MONTGOMERY PA EMERGENCY MNGR
SEVERAL ROADS CLOSED DUE TO FLOODING IN THE TOWNSHIP.
0702 PM FLOOD SOUTH BRUNSWICK 40.39N 74.53W
04/30/2014 MIDDLESEX NJ EMERGENCY MNGR
ROUTE 1 SOUTH CLOSED AT RAYMOND ROAD.
0703 PM FLOOD HORSHAM TWP 40.20N 75.17W
04/30/2014 MONTGOMERY PA EMERGENCY MNGR
NUMEROUS ROADS CLOSED DUE TO FLOODING ACROSS THE
COUNTY.
0900 PM FLOOD AMBLER 40.15N 75.22W
04/30/2014 MONTGOMERY PA TRAINED SPOTTER
FLOODING FROM THE WISSAHICKON CREEK HAS CLOSED SEVERAL
ROADS IN THE AREA.
0908 PM FLOOD MARLBORO 40.32N 74.25W
04/30/2014 MONMOUTH NJ PUBLIC
ROADS CLOSED DUE TO FLOODING
0926 PM FLOOD STANTON 39.72N 75.64W
04/30/2014 NEW CASTLE DE TRAINED SPOTTER
ROUTE 7 SOUTH AND ROUTE 2 IN NEWARK CLOSED.
1100 PM FLOOD PHOENIXVILLE 40.13N 75.52W
04/30/2014 CHESTER PA TRAINED SPOTTER
FRENCH CREEK FLOODING COVENTRYVILLE ROAD AND WARWICK
PARK.
&&
EVENT NUMBER PHI1400151 PHI1400152 PHI1400153 PHI1400154 PHI1400155
PHI1400156 PHI1400158 PHI1400157 PHI1400159 PHI1400160 PHI1400161
PHI1400162 PHI1400165 PHI1400163 PHI1400164 PHI1400166
GORSELocal storm report, Apr 30, 11:41 PM EST, 19 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1241 AM EDT THU MAY 01 2014
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0147 PM FLOOD EAST COVENTRY TWP 40.20N 75.62W
04/30/2014 CHESTER PA TRAINED SPOTTER
PIGEON CREEK OVERFLOW...HALTEMAN ROAD AND KOLP ROAD
INTERSECTION IS FLOODED.
0345 PM FLOOD MILFORD TWP 40.42N 75.41W
04/30/2014 BUCKS PA EMERGENCY MNGR
STATE ROAD 663 MILDFORD TWP IS CLOSED DUE TO FLOODING
0345 PM FLOOD NEW BRITAIN TWP 40.32N 75.20W
04/30/2014 BUCKS PA EMERGENCY MNGR
COUNTY LINE ROAD IN NEW BRITAIN TWP IS CLOSED DUE TO
FLOODING
0609 PM FLOOD HOPEWELL TWP 40.35N 74.78W
04/30/2014 MERCER NJ TRAINED SPOTTER
ROADS FLOODED THROUGHOUT THE TOWNSHIP.
0611 PM FLOOD READINGTON TWP 40.57N 74.80W
04/30/2014 HUNTERDON NJ TRAINED SPOTTER
ROUTE 22 CLOSED DUE TO FLOODING.
0612 PM FLOOD STEVENSVILLE 38.98N 76.31W
04/30/2014 QUEEN ANNE'S MD TRAINED SPOTTER
SEVERAL AREAS OF HIGH STANDING WATER THROUGHOUT KENT
ISLAND.
0648 PM FLOOD AVONDALE 39.82N 75.78W
04/30/2014 CHESTER PA EMERGENCY MNGR
AN APARTMENT COMPLEX WAS EVACUATED DUE TO FLOODING
0655 PM FLOOD MODENA 39.96N 75.80W
04/30/2014 CHESTER PA EMERGENCY MNGR
AN APARTMENT COMPLEX WAS EVACUATED DUE TO FLOODING.
0656 PM FLOOD WEST CHESTER 39.96N 75.61W
04/30/2014 CHESTER PA EMERGENCY MNGR
NUMEROUS ROADS CLOSED THROUGHOUT COUNTY
0700 PM FLOOD MARLBORO 40.32N 74.25W
04/30/2014 MONMOUTH NJ LAW ENFORCEMENT
MULTIPLE WATER RESCUES IN THE COUNTY DUE TO MOTORISTS
ATTEMPTING TO DRIVE THROUGH FLOODED ROADWAYS.
0701 PM FLOOD LIMERICK TWP 40.22N 75.54W
04/30/2014 MONTGOMERY PA EMERGENCY MNGR
SEVERAL ROADS CLOSED DUE TO FLOODING IN THE TOWNSHIP.
0702 PM FLOOD SOUTH BRUNSWICK 40.39N 74.53W
04/30/2014 MIDDLESEX NJ EMERGENCY MNGR
ROUTE 1 SOUTH CLOSED AT RAYMOND ROAD.
0703 PM FLOOD HORSHAM TWP 40.20N 75.17W
04/30/2014 MONTGOMERY PA EMERGENCY MNGR
NUMEROUS ROADS CLOSED DUE TO FLOODING ACROSS THE
COUNTY.
0720 PM FLOOD BUSHKILL TWP 40.79N 75.34W
04/30/2014 NORTHAMPTON PA TRAINED SPOTTER
WEST DOUGLASVILLE ROAD BETWEEN GOVE AND CLEARFIELD IS
CLOSED DUE TO FLOODING FROM THE BUSHKILL CREEK. THE
WATER WAS AT LEAST 6 INCHES DEEP.
0900 PM FLOOD AMBLER 40.15N 75.22W
04/30/2014 MONTGOMERY PA TRAINED SPOTTER
FLOODING FROM THE WISSAHICKON CREEK HAS CLOSED SEVERAL
ROADS IN THE AREA.
0908 PM FLOOD MARLBORO 40.32N 74.25W
04/30/2014 MONMOUTH NJ PUBLIC
ROADS CLOSED DUE TO FLOODING
0926 PM FLOOD STANTON 39.72N 75.64W
04/30/2014 NEW CASTLE DE TRAINED SPOTTER
ROUTE 7 SOUTH AND ROUTE 2 IN NEWARK CLOSED.
1100 PM FLOOD PHOENIXVILLE 40.13N 75.52W
04/30/2014 CHESTER PA TRAINED SPOTTER
FRENCH CREEK FLOODING COVENTRYVILLE ROAD AND WARWICK
PARK.
1100 PM FLOOD RINGOES 40.43N 74.87W
04/30/2014 HUNTERDON NJ SOCIAL MEDIA
SEVERAL ROADWAYS IMPASSABLE DUE TO FLOODING.
1200 AM FLOOD LOWER MACUNGIE TWP 40.52N 75.58W
05/01/2014 LEHIGH PA TRAINED SPOTTER
LITTLE LEHIGH FLOODING AND SPRING CREEK ROAD IS CLOSED.
&&
EVENT NUMBER PHI1400151 PHI1400152 PHI1400153 PHI1400154 PHI1400155
PHI1400156 PHI1400158 PHI1400157 PHI1400159 PHI1400167 PHI1400160
PHI1400161 PHI1400162 PHI1400168 PHI1400165 PHI1400163 PHI1400164
PHI1400166 PHI1400169 PHI1400170
GORSEFlood, New Castle
- When
- May 1, 12:00 AM EST to 6:38 PM EST
- Where
- New Castle County, 0.79 mi NE of Centerville to 0.74 mi NW of Hockessin
- Cause
- Heavy Rain
- Reported by
- River/Stream Gage
- Coordinates
- 39.828, -75.610
Heavy rain caused considerable poor drainage and major river and creek flooding in New Castle County. Some of the crests were the highest since Tropical Storm Irene on August 28, 2011. Within Wilmington alone, five roadways were flooded and closed. The Christina River at Coochs Bridge had major flooding and was above its 10.5 foot flood stage from 124 p.m. EDT on April 30th through 332 a.m. EDT on May 1st. It crested at 12.67 feet at 1015 p.m. EDT on April 30th. This was historically the 6th highest crest on record for the river. The White Clay Creek at Newark had minor flooding and was above its 11.5 foot flood stage from 744 p.m. EDT on April 30th through 334 a.m. EDT on May 1st. It crested at 13.71 feet at 1100 p.m. EDT on April 30th. Farther downstream, the White Clay Creek at Delaware Park had major flooding and was above its 13 foot flood stage from 413 p.m. EDT on April 30th through 802 a.m. EDT on May 1st. It crested at 16.90 feet at 100 a.m. EDT on May 1st. This was historically the 6th highest crest on record for the creek and the highest crest since August 28, 2011 associated with Tropical Storm Irene. The Red Clay Creek at Wooddale had major flooding and was above its 7 foot flood stage from 417 p.m. EDT on April 30th through 403 a.m. EDT on May 1st. It crested at 11.41 feet at 1015 p.m. EDT on April 30th. It was the 5th highest crest on record and the highest crest since Tropical Storm Irene on August 28, 2011. Farther downstream, the Red Clay Creek at Stanton crested just below major flooding criteria. It was above its 15 foot flood stage from 407 p.m. EDT on April 30th through 627 a.m. EDT on May 1st. It crested at 19.97 feet at 1145 p.m. EDT on April 30th. It was the 5th highest crest on record and also the highest crest since Tropical Storm Irene on August 28, 2011. The Brandywine Creek at Wilmington had major flooding and was above its 16.5 foot flood stage from 1033 p.m. EDT on April 30th through 738 p.m. EDT on May 1st. It crested at 20.70 feet at 6 a.m. EDT on May 1st, a new record. This new gage has been at this location since 2007. Higher relative crests could have occurred prior to that year. Event precipitation totals included 5.15 inches in Prices Corner, 5.10 inches in Newark, 4.76 inches in Newport, 4.60 inches at the Wilmington Airport and 4.50 inches in Odessa.
- Flood
- Flooding that develops more slowly than a flash flood: rivers leaving their banks, or water standing over land for an extended time.
After NWS Directive 10-1605, the rules offices file Storm Data by.
- Flooding in New Jersey, May 1 to 6, 2014$4.3 million · 14 events
- Flooding in Pennsylvania, May 1 to 2, 2014$4.5 million · 7 events
- Drought in Texas, May 1 to 31, 2014$77,000 · 35 events
- Drought in Oklahoma, May 1 to 31, 201443 events
- Flooding in Arkansas, May 1 to 27, 2014$70,000 · 2 events
- Drought in New Mexico, May 1 to 31, 201440 events
- Wildfire in Texas, May 1 to 9, 2014$50,000 · 1 event
- Drought in Nebraska, May 1 to 31, 201426 events
- Wildfire in California, May 1 to 6, 20143 injured · $6,000 · 1 event
- Drought in Kansas, May 1 to 31, 201424 events
- Drought in Texas, May 1 to 31, 201424 events
- Drought in Texas, May 1 to 31, 201424 events
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: 517638.