Alert archive / New Jersey / Areal Flood Advisories in 2011
Areal Flood Advisory 151, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this areal flood advisory at Aug 21, 2011, 9:31 PM EDT for 7 counties in New Jersey; Bucks County, Delaware County, Philadelphia County, Pennsylvania. It was in force for 119 min.
The area
The outline as issued.
The facts
- Issued
- Aug 21, 2011, 9:31 PM EDT (01:31 UTC)
- Expired
- Aug 21, 2011, 11:30 PM EDT
- In force
- 119 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Burlington County, NJ, Camden County, NJ, Gloucester County, NJ, Mercer County, NJ, Middlesex County, NJ, Monmouth County, NJ, Ocean County, NJ, Bucks County, PA, Delaware County, PA, Philadelphia County, PA
The radar
The Philadelphia radar (KDIX), 24 km from the middle of the area, began a volume at 01:32 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Brookhaven, NY (KOKX), launched 00:00Z, 1.5 hours before the alert went out and 187 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 1559 J/kg
- Mixed-layer CIN
- -20 J/kg
- Mixed-layer LCL
- 748 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 131 m²/s²
- 0-3 km storm-relative helicity
- 204 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 6.1
The text
As transmitted, in the capitals the NWS used until 2016.
564
WGUS81 KPHI 220131
FLSPHI
FLOOD ADVISORY
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
931 PM EDT SUN AUG 21 2011
NJC005-007-015-021-023-025-029-PAC017-045-101-220330-
/O.NEW.KPHI.FA.Y.0151.110822T0131Z-110822T0330Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CAMDEN NJ-GLOUCESTER NJ-MERCER NJ-MIDDLESEX NJ-DELAWARE PA-
PHILADELPHIA PA-BUCKS PA-MONMOUTH NJ-OCEAN NJ-BURLINGTON NJ-
931 PM EDT SUN AUG 21 2011
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED AN
* URBAN AND SMALL STREAM FLOOD ADVISORY FOR...
CAMDEN COUNTY IN SOUTHERN NEW JERSEY...
NORTHERN GLOUCESTER COUNTY IN SOUTHERN NEW JERSEY...
SOUTHERN MERCER COUNTY IN CENTRAL NEW JERSEY...
SOUTHERN MIDDLESEX COUNTY IN NORTHERN NEW JERSEY...
EASTERN DELAWARE COUNTY IN SOUTHEAST PENNSYLVANIA...
PHILADELPHIA COUNTY IN SOUTHEAST PENNSYLVANIA...
SOUTHEASTERN BUCKS COUNTY IN SOUTHEAST PENNSYLVANIA...
MONMOUTH COUNTY IN CENTRAL NEW JERSEY...
OCEAN COUNTY IN SOUTHERN NEW JERSEY...
BURLINGTON COUNTY IN SOUTHERN NEW JERSEY...
* UNTIL 1130 PM EDT
* AT 930 PM EDT NATIONAL WEATHER SERVICE RADAR CONTINUED TO SHOW
AREAS OF SHOWERS AND THUNDERSTORMS AROUND THE REGION...MAINLY
FROM EXTREME SOUTHEASTERN PENNSYLVANIA EASTWARD THROUGH CENTRAL
NEW JERSEY. ALTHOUGH COVERAGE OF THE HEAVIEST THUNDERSTORM CELLS
WHICH WERE PRODUCING RAIN RATES OF 1 OR 2 INCHES AN HOUR HAS
DIMINISHED...ADDITIONAL RAIN WILL ADD ON TO THE PREVIOUS RAIN
TOTALS AND PROMOTE MORE RUNOFF. IF A FLASH FLOOD WARNING IS
ISSUED MOVE TO HIGHER GROUND IMMEDIATELY. NEVER DRIVE THROUGH
FLOODED ROADS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE
INTO AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE
USUALLY DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS
POWERFUL ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING
FLOODED ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.
A FLOOD ADVISORY MEANS RIVER OR STREAM FLOWS ARE ELEVATED OR PONDING
OF WATER IN URBAN OR OTHER AREAS IS OCCURRING OR IS IMMINENT.
&&
LAT...LON 3971 7412 3971 7414 3991 7409 3978 7417
3971 7416 3968 7468 3973 7474 3967 7481
3966 7501 3986 7540 3992 7541 4003 7538
3999 7535 3998 7528 4007 7516 4005 7512
4012 7504 4044 7432 4042 7405 4016 7400
$$1 follow-up statement
763
WGUS81 KPHI 220325
FLSPHI
FLOOD ADVISORY
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1125 PM EDT SUN AUG 21 2011
NJC005-007-015-021-023-025-029-PAC017-045-101-220335-
/O.EXP.KPHI.FA.Y.0151.000000T0000Z-110822T0330Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CAMDEN NJ-GLOUCESTER NJ-MERCER NJ-MIDDLESEX NJ-DELAWARE PA-
PHILADELPHIA PA-BUCKS PA-MONMOUTH NJ-OCEAN NJ-BURLINGTON NJ-
1125 PM EDT SUN AUG 21 2011
...THE URBAN AND SMALL STREAM FLOOD ADVISORY WILL EXPIRE AT 1130 PM
EDT FOR BURLINGTON...OCEAN...MONMOUTH...SOUTHEASTERN BUCKS...
PHILADELPHIA...EASTERN DELAWARE...SOUTHERN MIDDLESEX...SOUTHERN
MERCER...NORTHERN GLOUCESTER AND CAMDEN COUNTIES...
LAT...LON 3971 7412 3971 7414 3991 7409 3978 7417
3971 7416 3968 7468 3973 7474 3967 7481
3966 7501 3986 7540 3992 7541 4003 7538
3999 7535 3998 7528 4007 7516 4005 7512
4012 7504 4044 7432 4042 7405 4016 7400
$$
HAYESWhat forecasters said that day
The local office's own words before this areal flood advisory went out, 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 this areal flood advisory went out at Aug 21, 9:10 PM EDT, 21 minutes earlier.
Area forecast discussion, Aug 21, 9:10 PM EDT, 21 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
910 PM EDT SUN AUG 21 2011
.SYNOPSIS...
A STRONG COLD FRONT WILL MOVE THROUGH OUR AREA TONIGHT, FOLLOWED BY
HIGH PRESSURE BUILDING INTO THE MID ATLANTIC REGION FOR MONDAY AND
TUESDAY. HIGH PRESSURE SLIDES EAST AND OFFSHORE DURING WEDNESDAY. A
COLD FRONT SLOWLY APPROACHES THE MID ATLANTIC ON THURSDAY AND THEN
PASSES SOUTH AND EAST OF OUR AREA BY THE START OF NEXT WEEKEND.
&&
.NEAR TERM /UNTIL 6 AM MONDAY MORNING/...
THE SEVERE THUNDERSTORM WATCH HAS BEEN ALLOWED TO EXPIRE. THE
SHEAR IS RAMPING UP AS THE SHORT WAVE APPROACHES...BUT THE BEST OF
THE INSTABILITY IS WANING. WHILE THE COULD BE SOME THUNDER IN THE
NEXT FEW HOURS...THE THREAT FOR SEVERE WEATHER HAS DIMINISHED.
OTHERWISE, THE COLD FRONT CROSSES THE AREA OVERNIGHT HOWEVER
DESPITE THE AIRMASS BECOMING MORE STABLE WITH THE LOSS OF HEATING
AND ONGOING CONVECTION, THE WIND FIELD IS FORECAST TO STRENGTH
SOME MORE ALOFT WHICH MAY BE ABLE TO SUSTAIN CONVECTION INTO THE
OVERNIGHT HOURS. WE WILL CONTINUE WITH STEPPING DOWN OF THE POPS
FROM WEST TO EAST THROUGH THE NIGHT AS THE COVERAGE AND SEVERITY
WILL DECREASE THROUGH THE NIGHT. OTHERWISE, THE CLOUDS WILL THIN
AND WITH THE LOWER LEVELS OF THE ATMOSPHERE REMAINING MOIST, THERE
COULD BE PATCHY FOG. GIVEN LOWER CONFIDENCE WITH THIS SINCE SOME
DRYING SHOULD START TO ARRIVE TOWARD MORNING, WE OPTED TO LEAVE IT
OUT ATTM. AS FOR TEMPERATURES WE GENERALLY USED A BLEND OF THE
NAM/MOS GUIDANCE.
&&
.SHORT TERM /6 AM MONDAY MORNING THROUGH 6 PM MONDAY/...
A LARGE UPPER-LEVEL TROUGH MOVES INTO THE NORTHEAST AND MID ATLANTIC
REGIONS AS SURFACE HIGH PRESSURE BUILDS INTO THE OHIO VALLEY. SOME
SHORT WAVE ENERGY IN COMBINATION WITH COLDER AIR ALOFT MAY COMBINE
WITH SURFACE HEATING TO GENERATE A FEW SHOWERS ACROSS THE FAR
NORTHWEST ZONES IN THE AFTERNOON. OUR CONFIDENCE IS ON THE LOWER
SIDE REGARDING HOW TALL THE CUMULUS CAN BECOME DURING THE DAY
DESPITE THE CONVECTIVE TEMPERATURES BEING REACHED ESPECIALLY IN THE
CENTRAL AND NORTHERN AREAS. FOR NOW, ADDED A CHC OF SPRINKLES ACROSS
THE FAR NORTHWESTERN ZONES. IF SOME SHOWERS ARE ABLE TO DEVELOP, THE
DRYING LOW LEVELS MAY ALLOW FOR LOCALLY ENHANCED SURFACE WINDS DUE
TO SOME EVAPORATIVE COOLING AND DOWNWARD MOMENTUM. ELSEWHERE, SOME
CLOUDS ARE EXPECTED.
THE PRESSURE GRADIENT WILL TIGHTEN BETWEEN HIGH PRESSURE IN THE
OHIO VALLEY AND LOW PRESSURE NORTH OF NEW ENGLAND. AS A COOLER AND
DRIER AIRMASS MOVES INTO THE AREA, HEATING AT THE SURFACE WILL ALLOW
FOR BETTER VERTICAL MIXING. THEREFORE SURFACE GUSTS MAY REACH THE 20
TO 25 KNOT RANGE FOR A TIME BEFORE SUBSIDING LATE IN THE AFTERNOON
AS VERTICAL MIXING STARTS TO WEAKEN.
AS FOR TEMPERATURES, WE GENERALLY USED A BLEND OF THE MOS GUIDANCE
THEN MADE SOME MAINLY MINOR TWEAKS.
&&
.LONG TERM /MONDAY NIGHT THROUGH SUNDAY/...
AT THE START OF THE LONG TERM PERIOD, AN UPPER LEVEL TROUGH WILL BE
EXITING THE REGION AS SURFACE HIGH PRESSURE CONTINUES TO BUILD INTO
THE MID ATLANTIC. THE GFS AND EURO GIVE A DRY PICTURE FOR MONDAY
NIGHT, WHILE THE NAM STILL HINTS AT A WEAK DISTURBANCE SWINGING
THROUGH OUR SOUTHERN ZONES BRINGING SOME MINOR PRECIP. A DRY
FORECAST HAS BEEN MAINTAINED. PERHAPS THE ONLY OTHER CONCERN WOULD
BE THE POSSIBILITY OF LOCALIZED PATCHY FOG MONDAY NIGHT WITH LIGHT
NORTHWEST WINDS AND MAINLY CLEAR CONDITIONS EXPECTED. FOR NOW,
PATCHY FOG HAS BEEN LEFT OUT OF THE GRIDS, AS THIS SHOULD BE VERY
LIMITED.
AS THE SURFACE HIGH PRESSURE BUILDS OVER THE AREA TUESDAY INTO
WEDNESDAY, THE UPPER LEVEL FLOW BECOMES MORE ZONAL FOR A TIME. DRY
WEATHER CONTINUES FOR TUESDAY AND WEDNESDAY WITH AMPLE SUN AND LIGHT
WINDS. HIGH PRESSURE MOVES EAST AND OFFSHORE BY WEDNESDAY, THOUGH,
AND A RETURN FLOW SETS UP WITH WINDS BECOMING SOUTHERLY. WEDNESDAY
WILL STILL BE A PLEASANT DAY WITH DEWPOINTS MAINLY IN THE 50S, BUT
WITH THE RETURN FLOW AROUND THE BACKSIDE OF HIGH PRESSURE AND
MOISTURE STREAMING INTO THE REGION, DEWPOINTS RISE INTO THE 60S
WEDNESDAY NIGHT INTO THURSDAY.
BY THURSDAY, LOW PRESSURE TRACKING ACROSS SOUTHEASTERN CANADA WILL
BE DRAGGING A COLD FRONT THROUGH THE GREAT LAKES AND APPROACHING THE
NORTHEAST AND NORTHERN MID ATLANTIC. THE TIMING OF THIS FRONT
TRACKING THROUGH OUR AREA THURSDAY AND FRIDAY IS A BIT UNCERTAIN AT
THIS POINT. THERE IS SOME UPPER LEVEL TROUGHING PRESENT IN THE
MODELS, BUT OVERALL MID AND UPPER LEVEL SUPPORT DOES NOT APPEAR TO
BE AS DEFINED WITH THIS FRONTAL PASSAGE. THUS, A SLOWER FRONTAL
PASSAGE IS EXPECTED AT THIS TIME, WITH POPS EXTENDING FROM THURSDAY
MORNING THROUGH FRIDAY AFTERNOON. HOWEVER, THE HIGHEST POPS ARE
FOCUSED THROUGH THE THURSDAY AFTERNOON AND THURSDAY NIGHT TIME FRAME.
BY THE BEGINNING OF THE WEEKEND, THE FRONT IS EXPECTED TO BE SOUTH
AND EAST OF THE FORECAST AREA.
&&
.AVIATION /01Z MONDAY THROUGH FRIDAY/...
THE FOLLOWING DISCUSSION IS FOR KPHL, KPNE, KTTN, KABE, KRDG, KILG,
KMIV, KACY AND SURROUNDING AREAS.
ANOTHER ROUND OF SHOWERS AND THUNDERSTORMS ARE EXPECTED TO TRACK
EAST ACROSS MOST OF THE TERMINALS THIS EVENING. THE GREATEST
THREAT APPEARS TO BE SHIFTING EAST OF KABE AND KRDG AT THIS TIME.
THIS ACTIVITY WILL TEND TO BE ORGANIZED INTO CLUSTERS OR LINES
WITH LOCALLY VERY HEAVY RAIN AND GUSTY WINDS. THIS WILL LOCALLY
REDUCE THE CEILINGS AND VISIBILITIES FOR A TIME. WE WILL MONITOR
AND CONTINUE TO ISSUE AMENDMENTS AS THE CONVECTION PROPAGATES. THE
CEILINGS WILL VARY FOR AWHILE THIS EVENING DUE TO EARLIER
CONVECTION AND SOME ADDITIONAL ACTIVITY TO MOVE THROUGH.
ONCE THE FRONT CLEARS THE AREA, EXPECT A RETURN TO VFR ALTHOUGH
PERHAPS SOME LOCAL FOG OVERNIGHT WITH ALL THE LOW-LEVEL MOISTURE
IN PLACE. FOR NOW, WE JUST TOSSED IN SOME LIGHT FOG AT KMIV AS THE
DEW POINTS SHOULD START TO LOWER TOWARD DAYBREAK BUT BE LAST TO DO
SO HERE. OUR CONFIDENCE REGARDING FOG DEVELOPMENT TONIGHT IS LOW.
THE WINDS HAVE BEEN ALL OVER THE PLACE DUE TO AFFECTS FROM OUTFLOW
BOUNDARIES AND ACTUAL THUNDERSTORMS. GENERALLY A SOUTHWEST WIND
10 KNOTS OR LESS /STILL A BIT GUSTY AT KACY FOR A LITTLE LONGER/,
THEN DECREASING AND SHIFTING TO THE WEST AND NORTHWEST BEHIND THE
FRONT.
FOR MONDAY, HIGH PRESSURE GRADUALLY ARRIVES FROM THE WEST AS THE
COLD FRONT SETTLES TO OUR SOUTH AND EAST. HOWEVER WITH A TIGHTER
PRESSURE GRADIENT AND COOLER/DRIER AIR MOVING IN, THE VERTICAL
MIXING WILL INCREASE ESPECIALLY WITH THE DAYTIME HEATING. AS A
RESULT, SURFACE WINDS SHOULD GUST IN THE 20-25 KNOT RANGE FOR A TIME
BEFORE DROPPING OFF LATE IN THE AFTERNOON AND EARLY EVENING. AS THE
COOLER AIRMASS ARRIVES ALONG WITH SURFACE HEATING, CUMULUS SHOULD
DEVELOP AND COVERAGE SHOULD INCREASE TO GENERALLY SCATTERED.
OUTLOOK...
MONDAY NIGHT AND TUESDAY...WITH HIGH PRESSURE OVER THE REGION, A
NORTHERLY TO NORTHWEST FLOW IS EXPECTED. POSSIBLE VISIBILITY
RESTRICTIONS WOULD BE LIMITED TO LOCALIZED EARLY MORNING FOG,
OTHERWISE VFR CONDITIONS ARE EXPECTED. ALSO FOR TUESDAY AFTERNOON, A
SEA BREEZE MAY DEVELOP.
WEDNESDAY...HIGH PRESSURE WILL STILL BE OVER THE REGION AND
GRADUALLY PUSHING OFFSHORE DURING THE DAY. VFR CONDITIONS WILL
PERSIST WITH A SOUTHERLY WIND FLOW.
THURSDAY AND FRIDAY...A COLD FRONT IS FORECAST TO TRACK INTO THE
REGION THURSDAY AFTERNOON AND NIGHT. LOCALLY HEAVY SHOWERS AND
THUNDERSTORMS ARE ANTICIPATED. THE POTENTIAL EXISTS FOR HEAVY RAIN
TO ACCOMPANY THIS ACTIVITY WITH LOCAL MVFR CONDITIONS. SOME SHOWER
OR THUNDERSTORM ACTIVITY MAY EXTEND INTO FRIDAY DEPENDING ON THE
PROGRESSION OF THE FRONT.
&&
.MARINE...
A STRONG COLD FRONT WILL CROSS THE AREA LATE TONIGHT AND EARLY
MONDAY MORNING. THE SOUTHERLY FLOW CONTINUES TO INCREASE IN ADVANCE
OF THIS AND THE MODEL GUIDANCE INDICATES A 30-KNOT 925 MB JET MOVING
THROUGH DURING THE NIGHT. THE FORECAST SOUNDINGS INDICATE THAT WINDS
COULD GET TO 25 KNOTS THEREFORE WILL MAINTAIN THE SMALL CRAFT
ADVISORY ON THE OCEAN UNTIL 15Z MONDAY. BASED ON THE SOUTHERLY FLOW
AND THE ASSOCIATED GRADIENT FOR A TIME, WE WILL GO AHEAD AND ERR ON
THE SIDE OF CAUTION AND HOIST AN ADVISORY FOR DELAWARE BAY UNTIL 10Z
MONDAY. THE SOUTHERLY FLOW WILL TEND TO BUILD THE SEAS AND THEY
COULD GET TO 5 FEET FOR A TIME ON THE OCEAN ESPECIALLY OFFSHORE.
AS THE FRONT SETTLES TO OUR SOUTH AND EAST MONDAY, A TIGHTENING
PRESSURE GRADIENT WILL BE IN PLACE BETWEEN LOW PRESSURE WELL TO OUR
NORTH AND HIGH PRESSURE IN THE OHIO VALLEY. A COOLER AIRMASS
WILL BE SETTLING IN THEREFORE IMPROVED MIXING WILL TAKE PLACE. WHILE
GUSTINESS IS ANTICIPATED, WE GENERALLY HELD WINDS AT 20 KNOTS OR
LESS AT THIS POINT AS CONFIDENCE IS NOT REAL HIGH ON THE TRUE
MIXING. THE WINDS SHIFTING TO THE NORTHWEST WILL ALLOW THE SEAS TO
SETTLE SOME, HOWEVER FUNNELING DOWN DELAWARE BAY COULD KEEP THE
WATER A BIT MORE ROUGH FOR A TIME.
OUTLOOK...
AS HIGH PRESSURE STRENGTHENS OVER THE AREA MONDAY INTO MONDAY NIGHT,
LIGHTER WINDS ARE EXPECTED OVER THE COASTAL WATERS. WINDS AND SEAS
ARE EXPECTED TO BE BELOW SMALL CRAFT LEVELS FROM MONDAY NIGHT
THROUGH WEDNESDAY. BY WEDNESDAY HOWEVER, A RETURN FLOW DEVELOPS AS
HIGH PRESSURE PUSHES OFF TO THE EAST, AND SOUTHERLY WINDS ARE
EXPECTED FOR THE WATERS. THE SOUTHERLY FLOW WILL CONTINUE INTO
THURSDAY AHEAD OF THE NEXT APPROACHING COLD FRONT. THIS FRONT IS
EXPECTED TO NEAR THE COASTAL WATERS BY THURSDAY EVENING AND NIGHT,
BRINGING LOCALLY HEAVY SHOWERS AND THUNDERSTORMS. IN ADDITION, THE
INCREASED GRADIENT BETWEEN THE DEPARTING HIGH PRESSURE AND THE
ADVANCING COLD FRONT MAY BRING SEAS AND WINDS CLOSE TO SMALL CRAFT
ADVISORY CRITERIA FOR LATE THURSDAY. BUT FOR NOW, THIS IS A LOW
CONFIDENCE FORECAST.
&&
.HYDROLOGY...
THE DEEPEST MOISTURE IS IN THE PROCESS OF BEING SCOURED TO THE
EAST AHEAD OF THE SURFACE COLD FRONT. WHILE SHOWERS MAY CONTAIN
BRIEFLY HEAVY RAIN AHEAD OF THE FRONT...IT APPEARS AS THOUGH THE
BEST THREAT FOR FLASH FLOODING IS WANING. FOR THESE REASONS...THE
FLASH FLOOD WATCH WAS CANCELLED.
&&
.PHI WATCHES/WARNINGS/ADVISORIES...
PA...NONE.
NJ...NONE.
DE...NONE.
MD...NONE.
MARINE...SMALL CRAFT ADVISORY UNTIL 11 AM EDT MONDAY FOR ANZ450>455.
SMALL CRAFT ADVISORY UNTIL 6 AM EDT MONDAY FOR ANZ430-431.
&&
SYNOPSIS...KLINE
NEAR TERM...GORSE
SHORT TERM...GORSE
LONG TERM...KLINE
AVIATION...GORSE/KLINE
MARINE...GORSE/KLINE
HYDROLOGY...GORSEHazardous weather outlook, Aug 21, 9:06 PM EDT, 25 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 906 PM EDT SUN AUG 21 2011 DEZ001>003-MDZ008-012-015-019-020-NJZ001-007>010-012-013-015>023-027- PAZ054-055-060>062-067>071-230115- NEW CASTLE-KENT-INLAND SUSSEX-CECIL-KENT MD-QUEEN ANNES-TALBOT- CAROLINE-SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX- WESTERN MONMOUTH-MERCER-SALEM-GLOUCESTER-CAMDEN- NORTHWESTERN BURLINGTON-OCEAN-CUMBERLAND-ATLANTIC-CAPE MAY- SOUTHEASTERN BURLINGTON-CARBON-MONROE-BERKS-LEHIGH-NORTHAMPTON- CHESTER-MONTGOMERY-BUCKS-DELAWARE-PHILADELPHIA- 906 PM EDT SUN AUG 21 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL DELAWARE...NORTHERN DELAWARE...SOUTHERN DELAWARE...NORTHEAST MARYLAND...CENTRAL NEW JERSEY...NORTHERN NEW JERSEY...NORTHWEST NEW JERSEY...SOUTHERN NEW JERSEY...EAST CENTRAL PENNSYLVANIA...NORTHEAST PENNSYLVANIA AND SOUTHEAST PENNSYLVANIA. .DAY ONE...TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. ANZ450>455-230115- 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- 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- 906 PM EDT SUN AUG 21 2011 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT MONDAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR ATLANTIC COASTAL WATERS. .DAY ONE...TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. SMALL CRAFT ADVISORY. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. SMALL CRAFT ADVISORY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. ANZ430-431-230115- DELAWARE BAY WATERS NORTH OF EAST POINT NJ TO SLAUGHTER BEACH DE- DELAWARE BAY WATERS SOUTH OF EAST POINT NJ TO SLAUGHTER BEACH DE- 906 PM EDT SUN AUG 21 2011 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT MONDAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR DELAWARE BAY WATERS. .DAY ONE...TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. SMALL CRAFT ADVISORY. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. DEZ004-NJZ014-024>026-230115- DELAWARE BEACHES-EASTERN MONMOUTH-ATLANTIC COASTAL CAPE MAY- COASTAL ATLANTIC-COASTAL OCEAN- 906 PM EDT SUN AUG 21 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHERN DELAWARE...CENTRAL NEW JERSEY AND SOUTHERN NEW JERSEY. .DAY ONE...TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
In the hours before
Special weather statement, Aug 21, 6:41 PM EDT, 2 hours 50 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
641 PM EDT SUN AUG 21 2011
PAZ060-067-068-212345-
BERKS PA-CHESTER PA-MONTGOMERY PA-
641 PM EDT SUN AUG 21 2011
...STRONG THUNDERSTORMS WILL AFFECT PARTS OF BERKS...CHESTER AND
MONTGOMERY COUNTIES...
AT 636 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS OVER SOUTHERN LEBANON COUNTY AND NORTHERN
LANCASTER COUNTY...MOVING EAST AT 25 MPH. THE THUNDERSTORMS WILL BE
NEAR SHILLINGTON AND MOHNTON AROUND 645 PM...KENHORST AND ST.
LAWRENCE AROUND 700 PM...BIRDSBORO AND AMITY GARDENS AROUND 715
PM...BOYERTOWN AND LYONS AROUND 730 PM...AND BECHTELSVILLE AND
GILBERTSVILLE AROUND 745 PM.
VERY HEAVY RAIN WILL FALL FROM THESE STORMS ...AND IT WILL CAUSE
WATER TO POND ON ROADS AND QUICKLY FILL ROADSIDE DITCHES AND SMALL
STREAMS.
WIND GUSTS TO 40 MPH AND SMALL HAIL ARE POSSIBLE.
EXPECT INTENSE LIGHTNING FROM THESE STORMS. DO NOT SEEK SHELTER
UNDER TREES WHEN LIGHTNING THREATENS...MOVE INDOORS WHEN A
THUNDERSTORM APPROACHES.
LAT...LON 4040 7630 4054 7568 4020 7551 4014 7590
4036 7621 4036 7624
IOVINOLocal storm report, Aug 21, 6:58 PM EDT, 2 hours 33 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
658 PM EDT SUN AUG 21 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0842 AM TSTM WND DMG BETTERTON 39.37N 76.07W
08/21/2011 KENT MD 911 CALL CENTER
SEVERAL TREES DOWN
1030 AM HAIL DOVER 39.16N 75.52W
08/21/2011 M0.50 INCH KENT DE PUBLIC
HALF INCH HAIL REPORTED NEAR DOVER.
1040 AM TSTM WND GST DOVER 39.16N 75.52W
08/21/2011 E60 MPH KENT DE TRAINED SPOTTER
TRAINED SPOTTER ESTIMATED WINDS TO 60 MPH NEAR THE
DOVER SPEEDWAY.
1040 AM TSTM WND DMG DOVER 39.16N 75.52W
08/21/2011 KENT DE PUBLIC
TREES AND TREE LIMBS DOWN.
1050 AM TSTM WND GST DOVER AFB 39.13N 75.47W
08/21/2011 M77 MPH KENT DE ASOS
A 77 MPH THUNDERSTORM WIND GUST WAS MEASURED AT THE
DOVER AFB.
1050 AM TSTM WND DMG DOVER AFB 39.13N 75.47W
08/21/2011 KENT DE OTHER FEDERAL
WIND DAMAGE REPORTED AT THE DOVER AFB BUT DETAILS ARE
UNKNOWN AT THIS TIME.
1245 PM TSTM WND DMG LAKE HIAWATHA 40.88N 74.38W
08/21/2011 MORRIS NJ PUBLIC
LARGE TREE BRANCHES BROKEN
0145 PM TSTM WND DMG UPPER GWYNEDD TWP 40.19N 75.24W
08/21/2011 MONTGOMERY PA 911 CALL CENTER
WIRES DOWN IN UPPER GWYNEDD
0145 PM TSTM WND DMG LOWER GWYNEDD TWP 40.22N 75.29W
08/21/2011 MONTGOMERY PA 911 CALL CENTER
WIRES DOWN IN LOWER GWYNEDD
0149 PM TSTM WND GST SPRING CITY 40.18N 75.55W
08/21/2011 E50 MPH CHESTER PA NWS EMPLOYEE
50 MPH WIND GUST ESTIMATED BY NWS EMPLOYEE
0245 PM TSTM WND DMG NORTHEAST PHILADELPHIA 40.09N 75.02W
08/21/2011 PHILADELPHIA PA 911 CALL CENTER
TREES AND WIRES DOWN IN NORTHEAST PHILADELPHIA
0245 PM HAIL PHILADELPHIA 39.95N 75.16W
08/21/2011 E0.25 INCH PHILADELPHIA PA PUBLIC
0250 PM HAIL FEASTERVILLE 40.14N 75.01W
08/21/2011 E0.88 INCH BUCKS PA PUBLIC
0250 PM HAIL RIVERTON 40.01N 75.01W
08/21/2011 E0.75 INCH BURLINGTON NJ PUBLIC
0252 PM TSTM WND DMG FEASTERVILLE 40.14N 75.01W
08/21/2011 BUCKS PA 911 CALL CENTER
TREES AND WIRES DOWN IN FEASTERVILLE
0255 PM TSTM WND DMG BENSALEM 40.11N 74.94W
08/21/2011 BUCKS PA 911 CALL CENTER
WIRES DOWN IN BENSALEM
0315 PM TSTM WND DMG MANSFIELD 40.09N 74.71W
08/21/2011 BURLINGTON NJ 911 CALL CENTER
POLES AND WIRES DOWN IN MANSFIELD
0335 PM TSTM WND DMG UPPER FREEHOLD TWP 40.15N 74.53W
08/21/2011 MONMOUTH NJ 911 CALL CENTER
TREE LIMBS DOWN ON WIRES IN UPPER FREEHOLD
0335 PM TSTM WND DMG CREAM RIDGE 40.13N 74.52W
08/21/2011 MONMOUTH NJ PUBLIC
TREES DOWN IN CREAM RIDGE
0335 PM FLASH FLOOD PHILADELPHIA 39.95N 75.16W
08/21/2011 PHILADELPHIA PA MESONET
THE FRANKFORD CREEK RAPIDLY ROSE ABOVE THE FLOOD STAGE
OF 7.0 FEET. THE CREEK CRESTED AT 10.04 FEET.
0348 PM TSTM WND DMG CREAM RIDGE 40.13N 74.52W
08/21/2011 MONMOUTH NJ EMERGENCY MNGR
SEVERAL TREES... TELEPHONE POLES... AND WIRES DOWN
ALONG BURLINGTON PATH ROAD
0348 PM TSTM WND GST CREAM RIDGE 40.13N 74.52W
08/21/2011 M52 MPH MONMOUTH NJ TRAINED SPOTTER
0510 PM TSTM WND DMG ALLENTOWN 40.59N 75.48W
08/21/2011 LEHIGH PA PUBLIC
TREES DOWN
0513 PM TSTM WND DMG ALLENTOWN 40.59N 75.48W
08/21/2011 LEHIGH PA 911 CALL CENTER
NUMEROUS TREES DOWN... SOME ON HOUSES... EXTENDING FROM
ALLENTOWN TO WHITEHALL TWP
0515 PM FLOOD WAYNE 40.04N 75.39W
08/21/2011 DELAWARE PA PUBLIC
ROADWAY FLOODING IN WAYNE WITH SOME CARS STUCK.
0602 PM FLOOD BENSALEM 40.11N 74.94W
08/21/2011 BUCKS PA 911 CALL CENTER
MINOR STREET AND INTERSECTION FLOODING
&&
EVENT NUMBER PHI1100613 PHI1100612 PHI1100610 PHI1100611 PHI1100614
PHI1100615 PHI1100616 PHI1100618 PHI1100619 PHI1100617 PHI1100621
PHI1100625 PHI1100626 PHI1100627 PHI1100622 PHI1100623 PHI1100624
PHI1100620 PHI1100628 PHI1100630 PHI1100633 PHI1100634 PHI1100631
PHI1100635 PHI1100629 PHI1100632
KEKSpecial weather statement, Aug 21, 7:08 PM EDT, 2 hours 23 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
708 PM EDT SUN AUG 21 2011
NJZ008>010-012-015-220000-
HUNTERDON NJ-MERCER NJ-MIDDLESEX NJ-MORRIS NJ-SOMERSET NJ-
708 PM EDT SUN AUG 21 2011
...A STRONG THUNDERSTORM WILL AFFECT PARTS OF
HUNTERDON...MERCER...MIDDLESEX...MORRIS AND SOMERSET COUNTIES...
AT 704 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR FLEMINGTON...MOVING EAST AT 25 MPH. THE
THUNDERSTORM WILL BE NEAR CLOVERHILL AROUND 715 PM...FLAGTOWN AND
BELLE MEAD AROUND 730 PM...MANVILLE AND SOUTH BOUND BROOK AROUND 745
PM...AND MIDDLESEX AND DUNELLEN AROUND 800 PM.
VERY HEAVY RAINFALL WILL OCCUR OVER NEARLY SATURATED GROUND. BE
ALERT FOR THE POSSIBILITY OF LOCALIZED FLOODING.
WIND GUSTS TO 40 MPH AND SMALL HAIL ARE POSSIBLE.
EXPECT INTENSE LIGHTNING FROM THIS STORM. DO NOT SEEK SHELTER UNDER
TREES WHEN LIGHTNING THREATENS...MOVE INDOORS WHEN A THUNDERSTORM
APPROACHES.
LAT...LON 4034 7495 4057 7504 4074 7440 4071 7439
4067 7445 4066 7445 4066 7440 4064 7440
4059 7444 4060 7434 4050 7429 4050 7431
4050 7429 4044 7427
IOVINOLocal storm report, Aug 21, 7:42 PM EDT, 1 hour 49 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
742 PM EDT SUN AUG 21 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0842 AM TSTM WND DMG BETTERTON 39.37N 76.07W
08/21/2011 KENT MD 911 CALL CENTER
SEVERAL TREES DOWN
1030 AM HAIL DOVER 39.16N 75.52W
08/21/2011 M0.50 INCH KENT DE PUBLIC
HALF INCH HAIL REPORTED NEAR DOVER.
1040 AM TSTM WND GST DOVER 39.16N 75.52W
08/21/2011 E60 MPH KENT DE TRAINED SPOTTER
TRAINED SPOTTER ESTIMATED WINDS TO 60 MPH NEAR THE
DOVER SPEEDWAY.
1040 AM TSTM WND DMG DOVER 39.16N 75.52W
08/21/2011 KENT DE PUBLIC
TREES AND TREE LIMBS DOWN.
1050 AM TSTM WND GST DOVER AFB 39.13N 75.47W
08/21/2011 M77 MPH KENT DE ASOS
A 77 MPH THUNDERSTORM WIND GUST WAS MEASURED AT THE
DOVER AFB.
1050 AM TSTM WND DMG DOVER AFB 39.13N 75.47W
08/21/2011 KENT DE OTHER FEDERAL
WIND DAMAGE REPORTED AT THE DOVER AFB BUT DETAILS ARE
UNKNOWN AT THIS TIME.
1245 PM TSTM WND DMG LAKE HIAWATHA 40.88N 74.38W
08/21/2011 MORRIS NJ PUBLIC
LARGE TREE BRANCHES BROKEN
0145 PM TSTM WND DMG UPPER GWYNEDD TWP 40.19N 75.24W
08/21/2011 MONTGOMERY PA 911 CALL CENTER
WIRES DOWN IN UPPER GWYNEDD
0145 PM TSTM WND DMG LOWER GWYNEDD TWP 40.22N 75.29W
08/21/2011 MONTGOMERY PA 911 CALL CENTER
WIRES DOWN IN LOWER GWYNEDD
0149 PM TSTM WND GST SPRING CITY 40.18N 75.55W
08/21/2011 E50 MPH CHESTER PA NWS EMPLOYEE
50 MPH WIND GUST ESTIMATED BY NWS EMPLOYEE
0245 PM TSTM WND DMG NORTHEAST PHILADELPHIA 40.09N 75.02W
08/21/2011 PHILADELPHIA PA 911 CALL CENTER
TREES AND WIRES DOWN IN NORTHEAST PHILADELPHIA
0245 PM HAIL PHILADELPHIA 39.95N 75.16W
08/21/2011 E0.25 INCH PHILADELPHIA PA PUBLIC
0250 PM HAIL FEASTERVILLE 40.14N 75.01W
08/21/2011 E0.88 INCH BUCKS PA PUBLIC
0250 PM HAIL RIVERTON 40.01N 75.01W
08/21/2011 E0.75 INCH BURLINGTON NJ PUBLIC
0252 PM TSTM WND DMG FEASTERVILLE 40.14N 75.01W
08/21/2011 BUCKS PA 911 CALL CENTER
TREES AND WIRES DOWN IN FEASTERVILLE
0255 PM TSTM WND DMG BENSALEM 40.11N 74.94W
08/21/2011 BUCKS PA 911 CALL CENTER
WIRES DOWN IN BENSALEM
0315 PM TSTM WND DMG MANSFIELD 40.09N 74.71W
08/21/2011 BURLINGTON NJ 911 CALL CENTER
POLES AND WIRES DOWN IN MANSFIELD
0335 PM TSTM WND DMG UPPER FREEHOLD TWP 40.15N 74.53W
08/21/2011 MONMOUTH NJ 911 CALL CENTER
TREE LIMBS DOWN ON WIRES IN UPPER FREEHOLD
0335 PM TSTM WND DMG CREAM RIDGE 40.13N 74.52W
08/21/2011 MONMOUTH NJ PUBLIC
TREES DOWN IN CREAM RIDGE
0335 PM FLASH FLOOD PHILADELPHIA 39.95N 75.16W
08/21/2011 PHILADELPHIA PA MESONET
THE FRANKFORD CREEK RAPIDLY ROSE ABOVE THE FLOOD STAGE
OF 7.0 FEET. THE CREEK CRESTED AT 10.04 FEET.
0348 PM TSTM WND DMG CREAM RIDGE 40.13N 74.52W
08/21/2011 MONMOUTH NJ EMERGENCY MNGR
SEVERAL TREES... TELEPHONE POLES... AND WIRES DOWN
ALONG BURLINGTON PATH ROAD
0348 PM TSTM WND GST CREAM RIDGE 40.13N 74.52W
08/21/2011 M52 MPH MONMOUTH NJ TRAINED SPOTTER
0510 PM TSTM WND DMG ALLENTOWN 40.59N 75.48W
08/21/2011 LEHIGH PA PUBLIC
TREES DOWN
0513 PM TSTM WND DMG ALLENTOWN 40.59N 75.48W
08/21/2011 LEHIGH PA 911 CALL CENTER
NUMEROUS TREES DOWN... SOME ON HOUSES... EXTENDING FROM
ALLENTOWN TO WHITEHALL TWP
0513 PM TSTM WND DMG WHITEHALL TWP 40.66N 75.51W
08/21/2011 LEHIGH PA TRAINED SPOTTER
NUMEROUS TREES DOWN NEAR WHITEHALL HIGH SCHOOL....ALSO
TREES AND WIRES DOWN BETWEEN SOUTH WHITEHALL TWP AND
WHITEHALL TWP
0515 PM FLOOD WAYNE 40.04N 75.39W
08/21/2011 DELAWARE PA PUBLIC
ROADWAY FLOODING IN WAYNE WITH SOME CARS STUCK.
0555 PM LIGHTNING MILTON 38.78N 75.31W
08/21/2011 SUSSEX DE TRAINED SPOTTER
HOUSE HIT BY LIGHTNING
0602 PM FLOOD BENSALEM 40.11N 74.94W
08/21/2011 BUCKS PA 911 CALL CENTER
MINOR STREET AND INTERSECTION FLOODING
0709 PM FLASH FLOOD MILLSTONE TWP 40.20N 74.43W
08/21/2011 MONMOUTH NJ PUBLIC
STREAMS OUT OF THEIR BANKS
&&
EVENT NUMBER PHI1100613 PHI1100612 PHI1100610 PHI1100611 PHI1100614
PHI1100615 PHI1100616 PHI1100618 PHI1100619 PHI1100617 PHI1100621
PHI1100625 PHI1100626 PHI1100627 PHI1100622 PHI1100623 PHI1100624
PHI1100620 PHI1100628 PHI1100630 PHI1100633 PHI1100634 PHI1100631
PHI1100635 PHI1100636 PHI1100629 PHI1100638 PHI1100632 PHI1100637
KEKSpecial weather statement, Aug 21, 8:02 PM EDT, 1 hour 29 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
802 PM EDT SUN AUG 21 2011
NJZ010-012>015-220100-
EASTERN MONMOUTH NJ-MERCER NJ-MIDDLESEX NJ-SOMERSET NJ-
WESTERN MONMOUTH NJ-
802 PM EDT SUN AUG 21 2011
...A STRONG THUNDERSTORM WILL AFFECT PARTS OF
MERCER...MIDDLESEX...MONMOUTH AND SOMERSET COUNTIES...
AT 759 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR PRINCETON...MOVING EAST AT 35 MPH. THE
THUNDERSTORM WILL BE NEAR ROBERTSVILLE AND YORKETOWN AROUND 815
PM...LINCROFT AND HOLMDEL AROUND 830 PM...AND LITTLE SILVER AND
SHREWSBURY AROUND 845 PM.
VERY HEAVY RAINFALL WILL OCCUR OVER NEARLY SATURATED GROUND. BE
ALERT FOR THE POSSIBILITY OF LOCALIZED FLOODING.
WIND GUSTS TO 40 MPH AND SMALL HAIL ARE POSSIBLE.
EXPECT INTENSE LIGHTNING FROM THIS STORM. DO NOT SEEK SHELTER UNDER
TREES WHEN LIGHTNING THREATENS...MOVE INDOORS WHEN A THUNDERSTORM
APPROACHES.
LAT...LON 4027 7397 4015 7401 4021 7466 4054 7463
4053 7429 4052 7424 4047 7427 4045 7422
4046 7412 4041 7399 4047 7402 4047 7399
4043 7396
IOVINOLocal storm report, Aug 21, 8:58 PM EDT, 33 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
858 PM EDT SUN AUG 21 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0842 AM TSTM WND DMG BETTERTON 39.37N 76.07W
08/21/2011 KENT MD 911 CALL CENTER
SEVERAL TREES DOWN
1030 AM HAIL DOVER 39.16N 75.52W
08/21/2011 M0.50 INCH KENT DE PUBLIC
HALF INCH HAIL REPORTED NEAR DOVER.
1040 AM TSTM WND GST DOVER 39.16N 75.52W
08/21/2011 E60 MPH KENT DE TRAINED SPOTTER
TRAINED SPOTTER ESTIMATED WINDS TO 60 MPH NEAR THE
DOVER SPEEDWAY.
1040 AM TSTM WND DMG DOVER 39.16N 75.52W
08/21/2011 KENT DE PUBLIC
TREES AND TREE LIMBS DOWN.
1050 AM TSTM WND GST DOVER AFB 39.13N 75.47W
08/21/2011 M77 MPH KENT DE ASOS
A 77 MPH THUNDERSTORM WIND GUST WAS MEASURED AT THE
DOVER AFB.
1050 AM TSTM WND DMG DOVER AFB 39.13N 75.47W
08/21/2011 KENT DE OTHER FEDERAL
WIND DAMAGE REPORTED AT THE DOVER AFB BUT DETAILS ARE
UNKNOWN AT THIS TIME.
1245 PM TSTM WND DMG LAKE HIAWATHA 40.88N 74.38W
08/21/2011 MORRIS NJ PUBLIC
LARGE TREE BRANCHES BROKEN
0145 PM TSTM WND DMG UPPER GWYNEDD TWP 40.19N 75.24W
08/21/2011 MONTGOMERY PA 911 CALL CENTER
WIRES DOWN IN UPPER GWYNEDD
0145 PM TSTM WND DMG LOWER GWYNEDD TWP 40.22N 75.29W
08/21/2011 MONTGOMERY PA 911 CALL CENTER
WIRES DOWN IN LOWER GWYNEDD
0149 PM TSTM WND GST SPRING CITY 40.18N 75.55W
08/21/2011 E50 MPH CHESTER PA NWS EMPLOYEE
50 MPH WIND GUST ESTIMATED BY NWS EMPLOYEE
0245 PM TSTM WND DMG NORTHEAST PHILADELPHIA 40.09N 75.02W
08/21/2011 PHILADELPHIA PA 911 CALL CENTER
TREES AND WIRES DOWN IN NORTHEAST PHILADELPHIA
0245 PM HAIL PHILADELPHIA 39.95N 75.16W
08/21/2011 E0.25 INCH PHILADELPHIA PA PUBLIC
0250 PM HAIL FEASTERVILLE 40.14N 75.01W
08/21/2011 E0.88 INCH BUCKS PA PUBLIC
0250 PM HAIL RIVERTON 40.01N 75.01W
08/21/2011 E0.75 INCH BURLINGTON NJ PUBLIC
0252 PM TSTM WND DMG FEASTERVILLE 40.14N 75.01W
08/21/2011 BUCKS PA 911 CALL CENTER
TREES AND WIRES DOWN IN FEASTERVILLE
0255 PM TSTM WND DMG BENSALEM 40.11N 74.94W
08/21/2011 BUCKS PA 911 CALL CENTER
WIRES DOWN IN BENSALEM
0315 PM TSTM WND DMG MANSFIELD 40.09N 74.71W
08/21/2011 BURLINGTON NJ 911 CALL CENTER
POLES AND WIRES DOWN IN MANSFIELD
0335 PM TSTM WND DMG UPPER FREEHOLD TWP 40.15N 74.53W
08/21/2011 MONMOUTH NJ 911 CALL CENTER
TREE LIMBS DOWN ON WIRES IN UPPER FREEHOLD
0335 PM TSTM WND DMG CREAM RIDGE 40.13N 74.52W
08/21/2011 MONMOUTH NJ PUBLIC
TREES DOWN IN CREAM RIDGE
0335 PM FLASH FLOOD PHILADELPHIA 39.95N 75.16W
08/21/2011 PHILADELPHIA PA MESONET
THE FRANKFORD CREEK RAPIDLY ROSE ABOVE THE FLOOD STAGE
OF 7.0 FEET. THE CREEK CRESTED AT 10.04 FEET.
0348 PM TSTM WND DMG CREAM RIDGE 40.13N 74.52W
08/21/2011 MONMOUTH NJ EMERGENCY MNGR
SEVERAL TREES... TELEPHONE POLES... AND WIRES DOWN
ALONG BURLINGTON PATH ROAD
0348 PM TSTM WND GST CREAM RIDGE 40.13N 74.52W
08/21/2011 M52 MPH MONMOUTH NJ TRAINED SPOTTER
0510 PM TSTM WND DMG ALLENTOWN 40.59N 75.48W
08/21/2011 LEHIGH PA PUBLIC
TREES DOWN
0513 PM TSTM WND DMG ALLENTOWN 40.59N 75.48W
08/21/2011 LEHIGH PA 911 CALL CENTER
NUMEROUS TREES DOWN... SOME ON HOUSES... EXTENDING FROM
ALLENTOWN TO WHITEHALL TWP
0513 PM TSTM WND DMG WHITEHALL TWP 40.66N 75.51W
08/21/2011 LEHIGH PA TRAINED SPOTTER
NUMEROUS TREES DOWN NEAR WHITEHALL HIGH SCHOOL....ALSO
TREES AND WIRES DOWN BETWEEN SOUTH WHITEHALL TWP AND
WHITEHALL TWP
0515 PM FLOOD WAYNE 40.04N 75.39W
08/21/2011 DELAWARE PA PUBLIC
ROADWAY FLOODING IN WAYNE WITH SOME CARS STUCK.
0555 PM LIGHTNING MILTON 38.78N 75.31W
08/21/2011 SUSSEX DE TRAINED SPOTTER
HOUSE HIT BY LIGHTNING
0602 PM FLOOD BENSALEM 40.11N 74.94W
08/21/2011 BUCKS PA 911 CALL CENTER
MINOR STREET AND INTERSECTION FLOODING
0709 PM FLASH FLOOD MILLSTONE TWP 40.20N 74.43W
08/21/2011 MONMOUTH NJ PUBLIC
STREAMS OUT OF THEIR BANKS
0730 PM TSTM WND DMG GEORGETOWN 38.69N 75.39W
08/21/2011 SUSSEX DE 911 CALL CENTER
WIRES DOWN
0847 PM FLASH FLOOD JACKSON TWP 40.12N 74.35W
08/21/2011 OCEAN NJ LAW ENFORCEMENT
HIGH WATER REPORTED IN PARTS OF JACKSON TWP WITH SOME
CARS STRANDED
&&
EVENT NUMBER PHI1100613 PHI1100612 PHI1100610 PHI1100611 PHI1100614
PHI1100615 PHI1100616 PHI1100618 PHI1100619 PHI1100617 PHI1100621
PHI1100625 PHI1100626 PHI1100627 PHI1100622 PHI1100623 PHI1100624
PHI1100620 PHI1100628 PHI1100630 PHI1100633 PHI1100634 PHI1100631
PHI1100635 PHI1100636 PHI1100629 PHI1100638 PHI1100632 PHI1100637
PHI1100639 PHI1100640
KEKThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 21, 8:02 PM EDT | Special Weather Statement | PHI | Middlesex, Monmouth | 58 min |
| Aug 21, 9:38 PM EDT | Special Marine Warning | PHI | 50 min | |
| Aug 21, 9:57 PM EDT | Special Marine Warning | PHI | 46 min | |
| Aug 22, 3:01 AM EDT | Areal Flood Warning | PHI | Monmouth | 16 hr |
Nearby
Areal Flood Advisories in New Jersey, 2011Areal Flood Advisories in Pennsylvania, 2011Every areal flood advisory in 2011
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.