Alert archive / Pennsylvania / Areal Flood Warnings in 2020
Areal Flood Warning 28, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this areal flood warning at Aug 4, 2020, 3:42 PM EDT for Lehigh County, Northampton County, Pennsylvania; Warren County, New Jersey. It was in force for 4 hr. 4 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Aug 4, 2020, 3:42 PM EDT (19:42 UTC)
- Expired
- Aug 4, 2020, 7:30 PM EDT
- In force
- 4 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- None
Counties Warren County, NJ, Lehigh County, PA, Northampton County, PA
The radar
The Philadelphia radar (KDIX), 118 km from the middle of the area, began a volume at 19:44 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 4, 3:56 PM EDT | FLOOD | 1 Ese Bath, PA | VIDEO ON SOCIAL MEDIA SHOWING A SMALL STREAM WELL OUT OF ITS BANKS AND FLOODING A MOBILE HOME NEIGHBORHOOD ON NEWBURG ROAD IN LOWER NAZARETH TWP. |
| Aug 4, 4:07 PM EDT | FLOOD | 1 Wsw Slatington, PA | A 25-UNIT APARTMENT COMPLEX OFF OF 7TH STREET IN SLATINGTON BOROUGH IS BEING EVACUATED AS A RESULT OF FLOODING. RESIDENTS ARE TEMPORARILY BEING EVACUATED TO NORTHERN LEHIGH MIDDLE SCHOOL IN SLATINGTON BOROUGH. A BERKS COUNTY HIGH WATER VEHICLE WAS REQUESTED AN |
| Aug 4, 4:16 PM EDT | HEAVY RAIN 6.06 | Upper Macungie Twp., PA | |
| Aug 4, 5:30 PM EDT | FLOOD | Glendon, PA | THE GAUGE ON THE LEHIGH RIVER IN GLENDON REACHED FLOOD STAGE AT 530 PM AND CRESTED AT 21.24 FEET (MAJOR FLOODING) AT 845 PM ON AUGUST 4. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 7.7 hours before the alert went out and 204 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
- 1593 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 570 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 150 m²/s²
- 0-3 km storm-relative helicity
- 245 m²/s²
- Significant tornado parameter
- 1.5
- Supercell composite
- 7.4
The text
As transmitted.
991
WGUS41 KPHI 041942
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mount Holly NJ
342 PM EDT Tue Aug 4 2020
NJC041-PAC077-095-042330-
/O.NEW.KPHI.FA.W.0028.200804T1942Z-200804T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Warren NJ-Lehigh PA-Northampton PA-
342 PM EDT Tue Aug 4 2020
The National Weather Service in Mount Holly NJ has issued a
* Flood Warning for...
Southwestern Warren County in northwestern New Jersey...
Lehigh County in eastern Pennsylvania...
Northampton County in eastern Pennsylvania...
* Until 730 PM EDT.
* At 335 PM EDT, Doppler radar indicated up to six inches of rain
have fallen across the Lehigh Valley, northeast into Warren
County, New Jersey. The Little Lehigh and Monacocy Creeks are
flooding. Portions of the Lehigh River are rising rapidly.
Flooding will persist into this evening. This Flood Warning
replaces the Flash Flood Warning that was issued earlier today.
This includes the following highways...
Northeast Extension between mile markers 46 and 71.
Interstate 78 in Pennsylvania between mile markers 45 and 76.
Interstate 78 in New Jersey between mile markers 0 and 6.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Protecting yourself from immediate threats to life and safety shall
take priority. Whenever possible, as long as it does not cause
greater harm, all COVID-19 protective action guidance should be
followed.
Turn around...don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
A Flood Warning means that flooding is imminent or occurring. All
interested parties should take necessary precautions immediately.
&&
LAT...LON 4078 7490 4060 7519 4056 7530 4042 7549
4068 7589 4078 7565 4083 7538 4086 7529
4090 7523 4093 7522 4095 7516 4095 7513
$$
KruzdloWhat forecasters said that day
The local office's own words before this areal flood warning 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 warning went out at Aug 4, 3:37 PM EDT, 5 minutes earlier.
Area forecast discussion, Aug 4, 3:37 PM EDT, 5 minutes before
Area Forecast Discussion
National Weather Service Mount Holly NJ
337 PM EDT Tue Aug 4 2020
.SYNOPSIS...
Tropical Cyclone Isaias is north of New Jersey and will continue
to track into New England this evening. High pressure will begin
to build in from the west later this week as a weak frontal
boundary remains stalled across the Mid-Atlantic.
&&
.NEAR TERM /UNTIL 6 AM WEDNESDAY MORNING/...
Tropical Storm Isaias is north of New Jersey and will continue
to track to the north and east tonight. Some lingering rain
continues across the southern Poconos and northern New Jersey,
but otherwise, the heavy rain has ended. The Flash Flood Watch
has been cancelled, although there is lingering areal flooding
and river flooding across the region.
Winds have turned or will turn west shortly, but still gusting
fairly strong. Winds should diminish shortly after sunset.
An upper trough with strong shortwave energy will nose in from
the west later tonight, and additional scattered showers and
thunderstorms may develop this evening before ending after
midnight.
A warm and muggy night on tap with lows in the 60s.
&&
.SHORT TERM /6 AM WEDNESDAY MORNING THROUGH 6 PM WEDNESDAY/...
Surface high pressure builds in from the west during the day,
but some shortwave energy will approach from the west as the
base of that trough lifts north of the region. Most of the area
should be dry and sunny, but cannot rule out isolated showers
and thunderstorms in the afternoon across southern areas. Warm
and humid with highs in the 80s.
&&
.LONG TERM /WEDNESDAY NIGHT THROUGH TUESDAY/...
A fairly typical but overall quieter summer pattern is expected
for the long term forecast. The mean upper level trough over
the east will lift out but the mid Atlantic region will remain
in a fairly moist W/SW flow regime around high pressure ridging
over the western Atlantic. This will result in chances for
scattered showers/storms most days that will be mainly diurnally
driven meaning the best chances will be in the afternoon and
early evening. Temperatures will be around average for this time
of year.
&&
.AVIATION /20Z TUESDAY THROUGH SUNDAY/...
The following discussion is for KPHL, KPNE, KTTN, KABE, KRDG, KILG,
KMIV, KACY and surrounding areas.
Into the evening...Rapidly improving CIGS/VSBYS early with rains
departing NE. VFR by 20/21z for the N/NE most sites. Strong W winds
with gusts 40 to 50 knots early then the gusts will decrease back
closer to 20 kts by sunset.
Tonight...VFR. Decreasing clouds. Decreasing winds. Areas of fog
possible after midnight. I will likely include some fog in TAFS with
AMDS this afternoon.
Wednesday...VFR conditions expected with some few/sct daytime CU
expected. Winds mostly W to SW at 5 to 10 knots.
Outlook...
Wednesday night through Saturday...Mostly VFR. Scattered
SHRA/TSRA possible each afternoon/evening that would result in
brief sub-VFR conditions at a given terminal. Fog may develop
during the overnight. Winds east to northeast Thursday through
Saturday. LGT/VRB at night. Moderate confidence.
&&
.MARINE...
Tonight...Tropical Storm conditions will end this evening, and
Small Craft Advisories will probably be needed for several hours
as conditions improve.
Wednesday...Lingering 5 foot seas possible in the morning,
otherwise, sub-SCA conditions with SW winds around 10 kt. Ocnl
gusts to 20 kt possible in the afternoon.
Outlook...
Wednesday night through Saturday...Sub-advisory winds/seas
expected through the period. Chances of showers/storms through
the period, especially in the afternoon/evening hours.
Rip Currents...
On Tuesday, impacts from Isaias will increase the rip-current risk
level to high. In addition, high surf is expected. A rip
current risk statement and high surf advisory are in effect for
this period, so in conclusion Tuesday will not be a good day to
be at the beach.
The rip current risk will likely remain elevated on Wednesday.
&&
.HYDROLOGY...
Between 3 and 6 inches of rain, with localized amounts of 8 to 9
inches, have fallen across much of southeast Pennsylvania,
western New Jersey, and Delmarva. Flooding continues across
these areas. Please refer to any Flood Warnings for details.
&&
.TIDES/COASTAL FLOODING...
The coastal flooding impacts from Isaias remain very uncertain
at this time. Models notoriously handle fast-moving, intense
cyclones poorly in our area, as the short duration of onshore
flow competes with the strength of the winds. These competing
impacts and sensitivities are not well understood from a
modeling standpoint, leading to rather large spread in the model
guidance.
Coastal flooding impacts are expected across the area today,
with four different regions we will be monitoring. The first,
and potentially most significant, is for the eastern shore of
Chesapeake Bay, where surge will likely move northward during
the day. What is unclear, however, is the strength of this
surge. Model guidance is particularly poor for these areas, and
the output the past couple of days seems unrealistically low.
However, the extent of impacts remains quite unclear. At this
point, there is potential for moderate flooding, which requires
continuation of the coastal flood warning. However, it is
possible impacts will be less significant/widespread. We will
likely not have a better idea of impacts until after daybreak,
when gauges in lower Chesapeake Bay begin to respond.
The second area is Delaware Bay. The real question here will be
the timing of the surge relative to the astronomical high tide.
With guidance trending a little faster with the surge, the
timing looks a little less favorable for coincidence of peak
surge and astronomical high tide for the Delaware Bay sites.
Nevertheless, the strength of southeast winds in advance of
Isaias may compensate much more readily than models suggest. A
coastal flood advisory has been issued here for the entire day
given the uncertainty of peak surge timing.
The third area is the tidal Delaware River. Here, confidence is
increasing that minor flooding will occur during the afternoon,
as predecessor southeast winds will likely combine with
freshwater runoff to lead to a period of tidal flooding from
early afternoon to early evening. As with Delaware Bay,
confidence is not particularly high on exact timing of flooding,
so have issued a coastal flood advisory for a broader period of
time than normal (11 am to 8 pm).
The fourth area is the Atlantic coast. As with Delaware Bay,
timing of the strongest surge appears to occur between
astronomical high tides. However, the strength of onshore flow
and exacerbating behavior of wave runup will likely produce
areas of flooding. Of particular concern is back bays that are
susceptible to southeast flow, which can act to trap water.
Barnegat Bay and Little Assawoman Bay are particularly
susceptible in these regimes, and these areas may experience
more widespread/significant flooding. Confidence is pretty low
in general for the coast, but given the very strong onshore flow
expected today, suspect at least some impacts in the especially
vulnerable spots are likely.
&&
.EQUIPMENT...
The NOAA Weather Radio All-Hazards broadcast from Hibernia Park
Pennsylvania (Station WNG-704) remains off the air.
&&
.PHI WATCHES/WARNINGS/ADVISORIES...
PA...Tropical Storm Warning for PAZ070-071-101>106.
Coastal Flood Advisory until 8 PM EDT this evening for PAZ070-
071-106.
NJ...Tropical Storm Warning for NJZ001-007>010-012>027.
Coastal Flood Advisory until 8 PM EDT this evening for
NJZ016>019-021-023-024.
High Rip Current Risk until midnight EDT tonight for NJZ014-
024>026.
High Surf Advisory until midnight EDT tonight for NJZ014-
024>026.
Coastal Flood Advisory until 2 AM EDT Wednesday for NJZ012>014-
020-022-025>027.
DE...Tropical Storm Warning for DEZ001>004.
Coastal Flood Advisory until 8 PM EDT this evening for
DEZ001>004.
High Rip Current Risk until midnight EDT tonight for DEZ004.
High Surf Advisory until midnight EDT tonight for DEZ004.
MD...Tropical Storm Warning for MDZ008-012-015-019-020.
Coastal Flood Warning until 6 AM EDT Wednesday for MDZ008-012-
015-019-020.
MARINE...Tropical Storm Warning for ANZ430-431-450>455.
&&
Synopsis...MPS
Near Term...MPS
Short Term...MPS
Long Term...MPS
Aviation...MPS
Marine...MPS
Hydrology...WFO PHI
Tides/Coastal Flooding...WFO PHI
Equipment...WFO PHIHazardous weather outlook, Aug 4, 3:16 PM EDT, 26 minutes before
Hazardous Weather Outlook National Weather Service Mount Holly NJ 316 PM EDT Tue Aug 4 2020 PAZ054-055-060>062-051900- Carbon-Monroe-Berks-Lehigh-Northampton- 316 PM EDT Tue Aug 4 2020 This Hazardous Weather Outlook is for east central Pennsylvania and northeast Pennsylvania. .DAY ONE...This afternoon and tonight. The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. MDZ008-012-015-019-020-051900- Cecil-Kent MD-Queen Annes-Talbot-Caroline- 316 PM EDT Tue Aug 4 2020 ...COASTAL FLOOD WARNING IN EFFECT UNTIL 6 AM EDT WEDNESDAY... ...TROPICAL STORM WARNING IN EFFECT... This Hazardous Weather Outlook is for northeast Maryland. .DAY ONE...This afternoon and tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Coastal Flood Warning. Tropical Storm Warning. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Tropical Storm Warning. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. NJZ001-007>010-015-PAZ101>105-051900- Sussex-Warren-Morris-Hunterdon-Somerset-Mercer-Western Chester- Eastern Chester-Western Montgomery-Eastern Montgomery-Upper Bucks- 316 PM EDT Tue Aug 4 2020 ...TROPICAL STORM WARNING IN EFFECT... This Hazardous Weather Outlook is for central New Jersey, northern New Jersey, northwest New Jersey and southeast Pennsylvania. .DAY ONE...This afternoon and tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Tropical Storm Warning. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Tropical Storm Warning. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. DEZ001>003-NJZ016>019-021-023-PAZ070-071-106-051900- New Castle-Kent-Inland Sussex-Salem-Gloucester-Camden- Northwestern Burlington-Cumberland-Cape May-Delaware-Philadelphia- Lower Bucks- 316 PM EDT Tue Aug 4 2020 ...COASTAL FLOOD ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... ...TROPICAL STORM WARNING IN EFFECT... This Hazardous Weather Outlook is for central Delaware, northern Delaware, southern Delaware, southern New Jersey and southeast Pennsylvania. .DAY ONE...This afternoon and 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. Tropical Storm Warning. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Tropical Storm Warning. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. NJZ012-013-020-022-027-051900- Middlesex-Western Monmouth-Ocean-Atlantic-Southeastern Burlington- 316 PM EDT Tue Aug 4 2020 ...COASTAL FLOOD ADVISORY IN EFFECT UNTIL 2 AM EDT WEDNESDAY... ...TROPICAL STORM WARNING IN EFFECT... This Hazardous Weather Outlook is for central New Jersey, northern New Jersey and southern New Jersey. .DAY ONE...This afternoon and 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. Tropical Storm Warning. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Tropical Storm Warning. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. NJZ014-025-026-051900- Eastern Monmouth-Coastal Atlantic-Coastal Ocean- 316 PM EDT Tue Aug 4 2020 ...COASTAL FLOOD ADVISORY IN EFFECT UNTIL 2 AM EDT WEDNESDAY... ...HIGH SURF ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT... ...HIGH RIP CURRENT RISK IN EFFECT UNTIL MIDNIGHT EDT TONIGHT... ...TROPICAL STORM WARNING IN EFFECT... This Hazardous Weather Outlook is for central New Jersey and southern New Jersey. .DAY ONE...This afternoon and tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. High Rip Current Risk. High Surf Advisory. Coastal Flood Advisory. Tropical Storm Warning. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Tropical Storm Warning. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. DEZ004-NJZ024-051900- Delaware Beaches-Atlantic Coastal Cape May- 316 PM EDT Tue Aug 4 2020 ...COASTAL FLOOD ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... ...HIGH SURF ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT... ...HIGH RIP CURRENT RISK IN EFFECT UNTIL MIDNIGHT EDT TONIGHT... ...TROPICAL STORM WARNING IN EFFECT... This Hazardous Weather Outlook is for southern Delaware and southern New Jersey. .DAY ONE...This afternoon and tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. High Rip Current Risk. High Surf Advisory. Coastal Flood Advisory. Tropical Storm Warning. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Tropical Storm Warning. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. ANZ430-431-450>455-051900- 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 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- 316 PM EDT Tue Aug 4 2020 ...TROPICAL STORM WARNING IN EFFECT... This Hazardous Weather Outlook is for Atlantic coastal waters and Delaware Bay Waters. .DAY ONE...This afternoon and tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Tropical Storm Warning. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Tropical Storm Warning. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. MPS
In the hours before
Local storm report, Aug 4, 3:27 PM EDT, 15 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
327 PM EDT TUE AUG 4 2020
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1245 PM TROPICAL STORM 1 SSW SEA ISLE CITY 39.14N 74.70W
08/04/2020 CAPE MAY NJ PUBLIC
PICTURE ON SOCIAL MEDIA OF 4 LARGE TREES
UPROOTED AND RESTING AGAINST A HOUSE AT 67TH
STREET AND LANDIS AVENUE IN SEA ISLE CITY.
TIME ESTIMATED.
&&
STAARMANNLocal storm report, Aug 4, 3:30 PM EDT, 12 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
330 PM EDT TUE AUG 4 2020
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1230 PM HEAVY RAIN EAST NANTMEAL TWP 40.12N 75.72W
08/04/2020 M5.49 INCH CHESTER PA PUBLIC
&&Local storm report, Aug 4, 3:32 PM EDT, 10 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
332 PM EDT TUE AUG 4 2020
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0331 PM HEAVY RAIN WYNNEWOOD 40.00N 75.27W
08/04/2020 M8.18 INCH MONTGOMERY PA TRAINED SPOTTER
REPORTED AT WYNNEWOOD PA.
&&
NCLocal storm report, Aug 4, 3:37 PM EDT, 5 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
337 PM EDT TUE AUG 4 2020
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0331 PM HEAVY RAIN WYNNEWOOD 40.00N 75.27W
08/04/2020 M8.18 INCH MONTGOMERY PA TRAINED SPOTTER
REPORTED AT WYNNEWOOD PA.
0314 PM FLOOD SAYLORSBURG 40.90N 75.32W
08/04/2020 MONROE PA TRAINED SPOTTER
6.69 INCHES OF RAIN IN SAYLORSBURG, WITH
WIDESPREAD BASEMENT FLOODING.
0242 PM HEAVY RAIN NORRISTOWN 40.11N 75.34W
08/04/2020 M7.32 INCH MONTGOMERY PA PUBLIC
FLOODING ALONG THE SCHUYLKILL AT NORRISTOWN
BEGINNING.
0229 PM TROPICAL STORM FORKED RIVER 39.84N 74.20W
08/04/2020 OCEAN NJ PUBLIC
TREES AND POWER LINES DOWN IN FORKED RIVER
ON WILLIAMS STREET. POWER IS ALSO OUT.
0217 PM HEAVY RAIN GLEN MILLS 39.92N 75.49W
08/04/2020 M5.75 INCH DELAWARE PA PUBLIC
REPORTED AT GLEN MILLS.
0216 PM HEAVY RAIN KING OF PRUSSIA 40.09N 75.38W
08/04/2020 M7.74 INCH MONTGOMERY PA TRAINED SPOTTER
REPORTED AT KING OF PRUSSIA.
0216 PM TROPICAL STORM BECKETT 39.75N 75.36W
08/04/2020 GLOUCESTER NJ PUBLIC
UPROOTED TREE DOWN ONTO A HOUSE IN THE
BECKETT SECTION OF LOGAN TOWNSHIP.
0207 PM TROPICAL STORM 1 NE BURLINGTON TWP 40.08N 74.81W
08/04/2020 BURLINGTON NJ PUBLIC
TREES AND POWER LINES DOWN BLOCKING COLUMBUS
ROAD IN BURLINGTON.
0203 PM FLOOD HORSHAM 40.19N 75.13W
08/04/2020 MONTGOMERY PA PUBLIC
PARK IN HORSHAM COMPLETELY FLOODED. WATER IS
NEARING THE MAIN ROAD.
0203 PM FLOOD 1 E EAST ROCKHILL TWP 40.40N 75.25W
08/04/2020 BUCKS PA PUBLIC
VIDEO OF PERKIOMEN CREEK WELL OUT ITS BANKS
AND UP TO A HOME UPSTREAM OF PERKASIE.
0201 PM TROPICAL STORM KEYPORT 40.44N 74.20W
08/04/2020 MONMOUTH NJ TRAINED SPOTTER
NUMEROUS TREE LIMBS AND WIRES DOWN IN THE
KEYPORT AREA WITH ASSOCIATED POWER OUTAGES.
0158 PM TROPICAL STORM MENDHAM 40.78N 74.60W
08/04/2020 MORRIS NJ PUBLIC
LARGE TREE AND POWER POLE DOWN BLOCKING A
ROADWAY.
0158 PM TROPICAL STORM 1 NNW BETHEL TWP 39.86N 75.50W
08/04/2020 DELAWARE PA PUBLIC
LARGE TREE DOWN BLOCKING FEATHERBED LANE
NEAR ROUTE 322.
0153 PM FLASH FLOOD LEHIGH TWP 40.76N 75.54W
08/04/2020 NORTHAMPTON PA EMERGENCY MNGR
MULTIPLE FLOODED ROADWAYS IN LEHIGH
TOWNSHIP.
0148 PM TROPICAL STORM ASBURY PARK 40.21N 74.01W
08/04/2020 MONMOUTH NJ TRAINED SPOTTER
LARGE TREE UPROOTED ON MAIN AVE IN OCEAN
GROVE.
0146 PM TROPICAL STORM WHITEHALL TWP 40.63N 75.47W
08/04/2020 LEHIGH PA TRAINED SPOTTER
SPOTTER REPORTS WINDS OF 45+ MPH WITH A PEAK
GUST OF 55 MPH. NUMEROUS LARGE TREE LIMBS
DOWN AROUND WHITEHALL TWP.
0145 PM TROPICAL STORM LEHIGH TWP 40.76N 75.54W
08/04/2020 NORTHAMPTON PA EMERGENCY MNGR
NUMEROUS TREES DOWN IN LEHIGH TOWNSHIP.
0144 PM TROPICAL STORM 1 E TOMS RIVER 39.95N 74.17W
08/04/2020 OCEAN NJ PUBLIC
LARGE TREE UPROOTED ON GOLD AVE IN TOMS
RIVER.
0130 PM TROPICAL STORM EAST GREENVILLE 40.40N 75.50W
08/04/2020 MONTGOMERY PA TRAINED SPOTTER
LARGE BRANCH DOWN (APPROX 6 INCHES IN
DIAMETER).
0130 PM FLASH FLOOD 2 N EMMAUS 40.57N 75.50W
08/04/2020 LEHIGH PA PUBLIC
LITTLE LEHIGH CREEK IS OUT OF ITS BANKS.
0120 PM TROPICAL STORM WILLINGBORO 40.03N 74.89W
08/04/2020 BURLINGTON NJ UTILITY COMPANY
NUMEROUS TREES AND POWER LINES DOWN ACROSS
WILLINGBORO CLOSING ROADS.
0120 PM TROPICAL STORM 3 NE BRIGANTINE 39.43N 74.34W
08/04/2020 ATLANTIC NJ PUBLIC
VIDEO ON SOCIAL MEDIA OF SUSTAINED WINDS OF
50-60 MPH BEING MEASURED ON A HANDHELD
ANEMOMETER.
0117 PM HEAVY RAIN ARLINGTON HEIGHTS 40.99N 75.21W
08/04/2020 M5.20 INCH MONROE PA TRAINED SPOTTER
5.2 INCHES OF RAIN SO FAR.
0110 PM TROPICAL STORM BEAR 39.57N 75.75W
08/04/2020 NEW CASTLE DE TRAINED SPOTTER
TREES DOWN AND FENCE DAMAGE.
0104 PM TROPICAL STORM READINGTON 40.57N 74.73W
08/04/2020 HUNTERDON NJ PUBLIC
NUMEROUS TREES AND WIRES DOWN IN READINGTON
TOWNSHIP.
0100 PM TROPICAL STORM 1 ENE ABSECON 39.44N 74.49W
08/04/2020 ATLANTIC NJ TRAINED SPOTTER
MULTIPLE TREES DOWN IN THE ABSECON AREA,
SEVERAL DOWN ON CARS AND HOUSES.
1256 PM TROPICAL STORM 2 NNE METUCHEN 40.56N 74.35W
08/04/2020 MIDDLESEX NJ TRAINED SPOTTER
LARGE BRANCHES DOWN AND A SHED DESTROYED IN
EDISON ON CALVERT AVE.
1253 PM TROPICAL STORM EWING 40.27N 74.80W
08/04/2020 MERCER NJ TRAINED SPOTTER
NUMEROUS TREES AND WIRES DOWN IN EWING
TOWNSHIP. ALSO 5 INCHES OF RAIN HAS FALLEN.
1250 PM TROPICAL STORM 1 SSE TOMS RIVER 39.94N 74.19W
08/04/2020 OCEAN NJ PUBLIC
TREES DOWN NEAR BEACHWOOD BLVD AND ROUTE 9
IN BEACHWOOD.
1250 PM TROPICAL STORM 2 NNE METUCHEN 40.56N 74.35W
08/04/2020 MIDDLESEX NJ TRAINED SPOTTER
SPOTTER REPORTS A SNAPPED TREE AND 2 SHEDS
WERE DESTROYED IN EDISON ON CALVERT AVE.
1250 PM TROPICAL STORM BAYVILLE 39.91N 74.15W
08/04/2020 OCEAN NJ PUBLIC
TREES DOWN NEAR CHAIN BLVD AND ROUTE 9 IN
BAYVILLE.
1246 PM TROPICAL STORM NORTH LONG BRANCH 40.31N 73.99W
08/04/2020 MONMOUTH NJ TRAINED SPOTTER
LIVE WIRES DOWN ON FLORENCE AVENUE.
1245 PM TROPICAL STORM 1 SSW SEA ISLE CITY 39.14N 74.70W
08/04/2020 CAPE MAY NJ PUBLIC
PICTURE ON SOCIAL MEDIA OF 4 LARGE TREES
UPROOTED AND RESTING AGAINST A HOUSE AT 67TH
STREET AND LANDIS AVENUE IN SEA ISLE CITY.
TIME ESTIMATED.
1245 PM TROPICAL STORM 1 SW FREEHOLD 40.25N 74.28W
08/04/2020 MONMOUTH NJ TRAINED SPOTTER
TREE DOWN ON A ROOF IN FREEHOLD... TRAINED
SPOTTER MEASURED 61 MPH PEAK GUSTS.
1234 PM TROPICAL STORM 1 ENE WARREN 40.63N 74.47W
08/04/2020 SOMERSET NJ PUBLIC
NUMEROUS LOCATIONS AROUND AND IN THE 07059
ZIP CODE DEALING WITH POWER LINES DOWN,
TREES DOWN AND INTO CARS, HOUSES, AND
COMMERCIAL BUILDINGS. POWER OUTAGES ALSO
REPORTED.
1233 PM TROPICAL STORM HOWELL 40.16N 74.22W
08/04/2020 MONMOUTH NJ TRAINED SPOTTER
NUMEROUS TREES AND LIMBS DOWN AROUND HOWELL.
TRANSFORMERS BLOWING NEARBY.
1230 PM HEAVY RAIN EAST NANTMEAL TWP 40.12N 75.72W
08/04/2020 M5.49 INCH CHESTER PA PUBLIC
1230 PM TROPICAL STORM MADISON 40.76N 74.42W
08/04/2020 MORRIS NJ EMERGENCY MNGR
SEVERAL TREES UPROOTED AND POWER LINES DOWN
ACROSS MADISON BOROUGH. TIME ESTIMATED.
1220 PM FLASH FLOOD NORTH COVENTRY TWP 40.23N 75.65W
08/04/2020 CHESTER PA TRAINED SPOTTER
NUMEROUS WATER RESCUES AND BASEMENT
FLOODING. 6.72 INCHES OF RAIN HAS FALLEN.
1215 PM TROPICAL STORM 2 ESE RANDOLPH, NJ 40.84N 74.54W
08/04/2020 MORRIS NJ COCORAHS
COCORAHS OBSERVER REPORTS TREES DOWN
BLOCKING ROLLING RIDGE ROAD AND SHONGUM ROAD
IN RANDOLPH TWP. 2.71 INCHES OF RAIN TOTAL.
1210 PM TROPICAL STORM BRIGANTINE 39.40N 74.37W
08/04/2020 ATLANTIC NJ PUBLIC
LARGE TREE UPROOTED IN A RESIDENTIAL AREA OF
BRIGANTINE.
1205 PM TROPICAL STORM CHERRY HILL TWP 39.93N 75.03W
08/04/2020 CAMDEN NJ PUBLIC
PICTURE ON SOCIAL MEDIA OF AN UPROOTED TREE
IN CHERRY HILL. THE TREE GRAZED A HOUSE AND
CAUSED SOME COLLATERAL COSMETIC DAMAGE.
1200 PM HEAVY RAIN SKIPPACK TWP 40.23N 75.41W
08/04/2020 M6.31 INCH MONTGOMERY PA PUBLIC
1200 PM HEAVY RAIN TRUMBAUERSVILLE 40.41N 75.38W
08/04/2020 M5.44 INCH BUCKS PA PUBLIC
NEARBY CREEK AT BARREL RUN TRAIL IS FLOODED.
1200 PM TROPICAL STORM 1 E WENONAH 39.79N 75.14W
08/04/2020 GLOUCESTER NJ PUBLIC
LARGE TREE DOWN ON WOODBURY GLASSBORO ROAD
IN MANTUA.
1200 PM FLASH FLOOD SKIPPACK TWP 40.23N 75.41W
08/04/2020 MONTGOMERY PA PUBLIC
SEVERAL WATER RESCUES WITHING SKIPPACK
TOWNSHIP.
1200 PM TROPICAL STORM 1 WNW SEWELL 39.77N 75.16W
08/04/2020 GLOUCESTER NJ PUBLIC
MULTIPLE TREES DOWN ON BREAKNECK ROAD IN
MANTUA.
1200 PM TROPICAL STORM SOUTH BRUNSWICK 40.40N 74.54W
08/04/2020 MIDDLESEX NJ LAW ENFORCEMENT
OVER 36 TREES DOWN ACROSS SOUTH BRUNSWICK.
NUMEROUS POWER OUTAGES AND ROADS CLOSED.
1200 PM FLASH FLOOD HACKETTSTOWN 40.85N 74.83W
08/04/2020 WARREN NJ TRAINED SPOTTER
TRIBUTARY CREEKS OF THE MUSCONETCONG RIVER
HAVE OVERFLOWED THEIR BANKS RESULTING IN
FLOODED ROADWAYS.
1200 PM TROPICAL STORM UPPER FREEHOLD TWP 40.12N 74.53W
08/04/2020 MONMOUTH NJ MESONET
41 MPH SUSTAINED WIND. RUTGERS FRUIT AND
ORNAMENTAL RESEARCH EXTENSION CENTER.
1152 AM TROPICAL STORM 1 NNW HARRISONVILLE 39.69N 75.27W
08/04/2020 GLOUCESTER NJ PUBLIC
LARGE TREES LIMBS DOWN BLOCKING
HARRISONVILLE ROAD IN MULLICA HILL.
1146 AM TROPICAL STORM GREEN BROOK TWP 40.60N 74.48W
08/04/2020 SOMERSET NJ PUBLIC
PICTURE OF A SNAPPED TREE IN GREEN BROOK
TWP.
1145 AM TROPICAL STORM 1 W NORTH BRUNSWICK 40.47N 74.49W
08/04/2020 MIDDLESEX NJ TRAINED SPOTTER
LARGE TREE DOWN ON POWER LINES IN NORTH
BRUNSWICK.
1145 AM TROPICAL STORM 1 NNE BELLE MEAD 40.48N 74.65W
08/04/2020 SOMERSET NJ TRAINED SPOTTER
PHOTOGRAPHS RECEIVED OF LARGE TREE LIMBS
DOWN IN HILLSBOROUGH.
1143 AM TROPICAL STORM LOWER MORELAND TWP 40.12N 75.06W
08/04/2020 MONTGOMERY PA TRAINED SPOTTER
LARGE TREE (APPROX 4 INCH DIAMETER) DOWN IN
LOWER MORELAND.
1140 AM TROPICAL STORM OCEAN VIEW 39.21N 74.70W
08/04/2020 CAPE MAY NJ TRAINED SPOTTER
SEVERAL TREES DOWN ALONG GARDEN STATE
PARKWAY AT MILE MARKER 21.
1125 AM TROPICAL STORM 1 NW JACKSONVILLE 40.01N 74.79W
08/04/2020 BURLINGTON NJ NWS EMPLOYEE
NWS EMPLOYEE REPORTS A LARGE TREE DOWN ON
WOODLANE ROAD JUST EAST OF 541. EXACT TIME
UNKNOWN.
1123 AM TROPICAL STORM 2 SSW SEASIDE PARK 39.91N 74.09W
08/04/2020 ANZ451 NJ PUBLIC
39 MPH SUSTAINED WIND AT SOUTH SEASIDE PARK
MARINA.
1120 AM TROPICAL STORM SEASIDE HEIGHTS 39.94N 74.07W
08/04/2020 OCEAN NJ MESONET
45 MPH SUSTAINED WIND.
1119 AM TROPICAL STORM 2 SW MILLSTONE 40.48N 74.62W
08/04/2020 SOMERSET NJ MESONET
44 MPH SUSTAINED WIND AT HILLSBOROUGH.
1115 AM TROPICAL STORM 1 W JACKSON 40.13N 74.29W
08/04/2020 OCEAN NJ TRAINED SPOTTER
TREE INTO POWER LINES IN JACKSON TOWNSHIP ON
N.COOK BRIDGE ROAD.
1115 AM TROPICAL STORM NORTHEAST PHILADELPHIA 40.09N 75.02W
08/04/2020 PHILADELPHIA PA TRAINED SPOTTER
NUMEROUS TREES AND WIRES DOWN.
1107 AM TROPICAL STORM BEAR 39.63N 75.66W
08/04/2020 NEW CASTLE DE PUBLIC
SIGNIFICANT TREE DAMAGE AND A CHIMNEY BLOWN
OFF OF A HOUSE IN BEAR.
1106 AM TROPICAL STORM ATLANTIC CITY INTERNATI 39.46N 74.58W
08/04/2020 ATLANTIC NJ ASOS
ASOS REPORTS 40 MPH SUSTAINED WINDS WITH 66
MPH GUSTS.
1105 AM TROPICAL STORM 1 WSW DOYLESTOWN 40.31N 75.15W
08/04/2020 BUCKS PA TRAINED SPOTTER
SEVERE DAMAGE AROUND THE DOYLESTOWN
HOSPITAL. THIS DAMAGE POSSIBLY OCCURRED FROM
A TORNADO. TIME ESTIMATED FROM RADAR.
1103 AM TROPICAL STORM 2 E WARETOWN 39.80N 74.17W
08/04/2020 ANZ451 NJ MESONET
49 MPH SUSTAINED WIND. KITE ISLAND WXFLOW
SITE.
1100 AM HEAVY RAIN 3.1 SE CHADDS FORD 39.84N 75.55W
08/04/2020 M3.75 INCH DELAWARE PA PUBLIC
1100 AM TROPICAL STORM 1 NW JACKSONVILLE 40.01N 74.79W
08/04/2020 BURLINGTON NJ BROADCAST MEDIA
VIDEO SHOWING A ROOF BEING BLOWN OFF OF A
HOUSE IN OCEAN CITY. EXACT TIME UNKNOWN.
1100 AM TROPICAL STORM OCEAN CITY 39.28N 74.57W
08/04/2020 CAPE MAY NJ BROADCAST MEDIA
CORRECTS PREVIOUS TROPICAL STORM REPORT FROM
1 NW JACKSONVILLE. VIDEO SHOWING A ROOF
BEING BLOWN OFF OF A HOUSE IN OCEAN CITY.
EXACT TIME UNKNOWN.
1053 AM WATER SPOUT 2 WSW SHIP BOTTOM 39.64N 74.21W
08/04/2020 ANZ451 NJ MESONET
A WIND GUST TO 109 MPH WAS MEASURED AT THE
LONG BEACH ISLAND SURF WEATHERFLOW STATION
(XLBI). THIS WAS IN ASSOCIATION WITH A
TORNADIC THUNDERSTORM. DOPPLER RADAR DATA
INDICATED VELOCITIES AS HIGH AS 112 MPH AT
AN ALTITUDE OF 1590 FEET ABOVE GROUND LEVEL
AT THIS LOCATION.
1050 AM TROPICAL STORM 1 N ANDALUSIA 40.09N 74.97W
08/04/2020 PHILADELPHIA PA FIRE DEPT/RESCUE
CONSIDERABLE DAMAGE ALONG KNIGHTS ROAD IN
THE VICINITY OF THE FRANKLIN MILLS MALL.
DAMAGE IS POSSIBLY TORNADIC.
1050 AM TROPICAL STORM WILDWOOD 38.98N 74.82W
08/04/2020 CAPE MAY NJ TRAINED SPOTTER
ROOF COMING OFF MONTEGO BAY HOTEL.
1045 AM TROPICAL STORM NEWPORT 39.30N 75.18W
08/04/2020 CUMBERLAND NJ TRAINED SPOTTER
SPOTTER REPORTS SUSTAINED WINDS OF 38-42 MPH
WITH GUSTS UP TO 58 MPH. TREE DAMAGE IN THE
AREA ALONG WITH 4 INCHES OF RAIN.
1043 AM TROPICAL STORM 2 WNW SHIP BOTTOM 39.66N 74.21W
08/04/2020 ANZ451 NJ MESONET
45 MPH SUSTAINED WIND AT LBI ISLAND SURF.
1040 AM TROPICAL STORM HARVEY CEDARS 39.71N 74.14W
08/04/2020 OCEAN NJ MESONET
50 MPH SUSTAINED WIND. HARVEY CEDARS OFFICE
OF EMERGENCY MANAGEMENT.
1034 AM TROPICAL STORM 1 ENE WESTAMPTON TWP 40.01N 74.82W
08/04/2020 BURLINGTON NJ NWS EMPLOYEE
LARGE TREE LIMBS DOWN IN THE VICINITY OF AND
VISIBLE FROM THE MOUNT HOLLY WFO.
1030 AM TROPICAL STORM NEWPORT 39.30N 75.18W
08/04/2020 CUMBERLAND NJ TRAINED SPOTTER
PEAK SUSTAINED WINDS OF 48 KTS WITH PEAK
GUSTS TO 62 KTS AROUND 10:30 AM.
1030 AM TROPICAL STORM 1 NW FORTESCUE 39.25N 75.18W
08/04/2020 CUMBERLAND NJ MESONET
59 MPH SUSTAINED WIND. RUTGERS NJ WEATHER
NETWORK.
1030 AM TROPICAL STORM 2 SE PLEASANTVILLE 39.38N 74.50W
08/04/2020 ATLANTIC NJ MESONET
41 MPH SUSTAINED WIND AT PT POINT WXFLOW
SITE.
1030 AM TROPICAL STORM MIDDLETOWN 39.45N 75.72W
08/04/2020 NEW CASTLE DE TRAINED SPOTTER
STRUCTURAL DAMAGE TO A STOAGE UNIT FACILITY
TIME ESTIMATED.
1026 AM TROPICAL STORM 4 ESE MYSTIC ISLAND 39.52N 74.32W
08/04/2020 OCEAN NJ MESONET
44 MPH SUSTAINED WIND AT TUCKERTON WXFLOW
SITE.
1022 AM TROPICAL STORM CHESAPEAKE CITY 39.53N 75.81W
08/04/2020 CECIL MD MESONET
49 MPH SUSTAINED WIND AT WXFLOW SITE.
1020 AM TROPICAL STORM 3 S GRASONVILLE 38.92N 76.20W
08/04/2020 QUEEN ANNES MD MESONET
43 MPH SUSTAINED WIND AT PROSPECT BAY
WEATHER UNDERGROUND SITE.
1018 AM TROPICAL STORM CAPE MAY COUNTY AIRPORT 39.01N 74.91W
08/04/2020 CAPE MAY NJ AWOS
AWOS REPORTS SUSTAINED WINDS OF 44 MPH WITH
GUSTS TO 62 MPH.
1014 AM TROPICAL STORM 2 S TILGHMAN ISLAND 38.68N 76.33W
08/04/2020 TALBOT MD MESONET
46 MPH SUSTAINED WIND AT BLACKWALNUT HARBOR
WXFLOW SITE.
1004 AM TROPICAL STORM 10 ENE PLUM POINT 38.68N 76.33W
08/04/2020 TALBOT MD BUOY
52 KTS/60 MPH WIND GUST AT BLACKWALNUT
HARBOR.
1000 AM TROPICAL STORM 2 NNE ELKTON 39.63N 75.82W
08/04/2020 CECIL MD PUBLIC
TREES DOWN ON WIRES ON BELLE HILL RD AND
APPLETON RD IN ELKTON, MD.
1000 AM TROPICAL STORM 1 ENE CAPE MAY 38.94N 74.91W
08/04/2020 CAPE MAY NJ PUBLIC
TREE DOWN IN CAPE MAY AVE IN CAPE MAY.
1000 AM TROPICAL STORM 1 S WOODSIDE 39.06N 75.57W
08/04/2020 KENT DE PUBLIC
56 MPH WIND GUST NEAR WOODSIDE, DE.
0951 AM TORNADO STRATHMERE 39.20N 74.66W
08/04/2020 CAPE MAY NJ TRAINED SPOTTER
SPOTTER REPORTS A TORNADO ON THE GROUND WITH
DEBRIS IN THE AIR IN STATHMERE CROSSING
ROUTE 50.
0951 AM TORNADO STRATHMERE 39.20N 74.66W
08/04/2020 CAPE MAY NJ TRAINED SPOTTER
SPOTTER REPORTS A TORNADO ON THE GROUND WITH
DEBRIS IN THE AIR IN STATHMERE CROSSING
ROUTE 50.
0948 AM TORNADO 2 W STRATHMERE 39.20N 74.69W
08/04/2020 CAPE MAY NJ TRAINED SPOTTER
CROSSING ROUTE 50.
0943 AM TROPICAL STORM 5 ESE BAY RIDGE 38.92N 76.36W
08/04/2020 QUEEN ANNES MD BUOY
47 KTS/54 MPH WIND GUST AT KENT ISLAND.
0938 AM FLASH FLOOD 1 NE WAYNE 40.05N 75.36W
08/04/2020 DELAWARE PA BROADCAST MEDIA
LIVE VIDEO SHOWING FLASH FLOODING IN RADNOR
TWP.
0930 AM HEAVY RAIN EXTON 40.03N 75.63W
08/04/2020 M2.13 INCH CHESTER PA UNKNOWN
.
0930 AM TROPICAL STORM 1 SSW SUMMIT BRIDGE 39.52N 75.73W
08/04/2020 NEW CASTLE DE BROADCAST MEDIA
REPORTS OF SIGNIFICANT STRUCTURAL WIND
DAMAGE TO HOMES NEAR THE SUMMIT AIRPORT.
COULD BE AN EXTENSION OF THE TORNADO TRACK
FROM FARTHER SOUTH IN KENT COUNTY.
0930 AM TROPICAL STORM 4 SSW ELSINBORO TWP 39.48N 75.54W
08/04/2020 SALEM NJ MESONET
NJWXNET AT LOWER ALLOWAYS CREEK MEASURED A
44 MPH SUSTAINED WIND WITH 46 MPH GUSTS.
0929 AM TROPICAL STORM 2 NNW SEA ISLE CITY 39.18N 74.70W
08/04/2020 ANZ453 NJ MESONET
42 MPH SUSTAINED WIND AT WXFLOW SITE LUDLAM
BAY.
0924 AM TROPICAL STORM 2 NNE STRATHMERE 39.22N 74.64W
08/04/2020 CAPE MAY NJ MESONET
39 MPH SUSTAINED WIND AT OCEAN CITY SOUTH
BEACH WXFLOW SITE.
0919 AM TORNADO TOWNSEND 39.39N 75.69W
08/04/2020 NEW CASTLE DE EMERGENCY MNGR
EMERGENCY MANAGEMENT REPORTS MULTIPLE HOMES
DAMAGED BY A TORNADO ALONG DUMBUSH ROAD IN
TOWNSEND. TIME ESTIMATED FROM RADAR.
0919 AM TORNADO TOWNSEND 39.39N 75.69W
08/04/2020 NEW CASTLE DE EMERGENCY MNGR
EMERGENCY MANAGEMENT REPORTS MULTIPLE HOMES
DAMAGED BY A TORNADO ALONG DUMBUSH ROAD IN
TOWNSEND. TIME ESTIMATED FROM RADAR.
0909 AM TORNADO SMYRNA 39.30N 75.61W
08/04/2020 KENT DE EMERGENCY MNGR
CORRECTS PREVIOUS TORNADO REPORT FROM
SMYRNA. EMERGENCY MANAGEMENT REPORTS DAMAGE
FROM A TORNADO ALONG ROUTE 13 IN SYMRNA. TDS
CONFIRMED TORNADO. A NEARBY DOT WIND SENSOR
RECORDED A WIND GUST OF 96 MPH. TIME
ESTIMATED FROM RADAR.
0909 AM TORNADO SMYRNA 39.30N 75.61W
08/04/2020 KENT DE EMERGENCY MNGR
EMERGENCY MANAGEMENT REPORTS DAMAGE FROM A
TORNADO ALONG ROUTE 13 IN SYMRNA. TDS
CONFIRMED TORNADO. TIME ESTIMATED FROM
RADAR.
0909 AM TORNADO SMYRNA 39.30N 75.61W
08/04/2020 KENT DE EMERGENCY MNGR
EMERGENCY MANAGEMENT REPORTS DAMAGE FROM A
TORNADO ALONG ROUTE 13 IN SYMRNA. TDS
CONFIRMED TORNADO. TIME ESTIMATED FROM
RADAR.
0858 AM TORNADO 1 W DOVER 39.16N 75.55W
08/04/2020 KENT DE PUBLIC
PICTURE ON SOCIAL MEDIA SHOWS SNAPPED POWER
POLES AND SEVERAL LIMBS DOWN ON ROUTE 8 AT
BENNINGTON STREET IN DOVER. TDS CONFIRMS A
TORNADO OCCURRED IN THIS AREA, AND THERE ARE
REPORTS OF DAMAGE FARTHER NORTH AS WELL.
TIME ESTIMATED FROM RADAR.
0858 AM TORNADO 1 W DOVER 39.16N 75.55W
08/04/2020 KENT DE PUBLIC
PICTURE ON SOCIAL MEDIA SHOWS SNAPPED POWER
POLES AND SEVERAL LIMBS DOWN ON ROUTE 8 AT
BENNINGTON STREET IN DOVER. TDS CONFIRMS A
TORNADO OCCURRED IN THIS AREA, AND THERE ARE
REPORTS OF DAMAGE FARTHER NORTH AS WELL.
TIME ESTIMATED FROM RADAR.
0840 AM TROPICAL STORM NAZARETH 40.74N 75.31W
08/04/2020 NORTHAMPTON PA PUBLIC
LARGE LIMBS SNAPPED IN NAZARETH.
0840 AM FLOOD 1 SSW COLLEGEVILLE 40.17N 75.46W
08/04/2020 MONTGOMERY PA PUBLIC
PARTS OF ROUTE 113 AND ROUTE 29 FLOODED.
0833 AM FLOOD HATFIELD 40.28N 75.30W
08/04/2020 MONTGOMERY PA PUBLIC
RESIDENTIAL STREET FLOODING IN HATFIELD.
0830 AM FLASH FLOOD UPPER MERION 40.09N 75.37W
08/04/2020 MONTGOMERY PA PUBLIC
MULTIPLE WATER RESCUES IN UPPER MERION.
0830 AM FLASH FLOOD NORRISTOWN 40.12N 75.33W
08/04/2020 MONTGOMERY PA PUBLIC
MULTIPLE WATER RESCUES IN NORRISTOWN AREA.
0830 AM FLOOD CHESTER 38.97N 76.29W
08/04/2020 QUEEN ANNES MD PUBLIC
STREET FLOODING IN CHESTER, MD.
0830 AM TORNADO SANDTOWN 39.03N 75.71W
08/04/2020 KENT DE 911 CALL CENTER
CALL CENTER REPORTS A TORNADO ON SANDTOWN
ROAD. TIME ESTIMATED FROM RADAR.
0830 AM TORNADO SANDTOWN 39.03N 75.71W
08/04/2020 KENT DE 911 CALL CENTER
CALL CENTER REPORTS A TORNADO ON SANDTOWN
ROAD. TIME ESTIMATED FROM RADAR.
0821 AM TORNADO QUEENSTOWN 38.99N 76.16W
08/04/2020 QUEEN ANNES MD EMERGENCY MNGR
MULTIPLE EYE WITNESS REPORTS OF A TORNADO IN
QUEENSTOWN. A VEHICLE WAS OVERTURNED. TIME
ESTIMATED FROM RADAR.
0821 AM TORNADO QUEENSTOWN 38.99N 76.16W
08/04/2020 QUEEN ANNES MD EMERGENCY MNGR
MULTIPLE EYE WITNESS REPORTS OF A TORNADO IN
QUEENSTOWN. A VEHICLE WAS OVERTURNED. TIME
ESTIMATED FROM RADAR.
&&
GORSELocal storm report, Aug 4, 3:38 PM EDT, 4 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
338 PM EDT TUE AUG 4 2020
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0115 PM TROPICAL STORM EAGLEVILLE 40.16N 75.40W
08/04/2020 MONTGOMERY PA TRAINED SPOTTER
MEASURED 40-42 MPH PEAK SUSTAINED WINDS.
&&
NCLocal storm report, Aug 4, 3:39 PM EDT, 3 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
339 PM EDT TUE AUG 4 2020
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0326 PM FLOOD 1 NW UPPER HANOVER TWP 40.42N 75.53W
08/04/2020 MONTGOMERY PA PUBLIC
AMERICAN LEGION INUNDATED BY FLOOD WATER IN
EAST GREENVILLE.
&&
STAARMANNThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 4, 5:17 AM EDT | Areal Flood Advisory | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 4 hr |
| Aug 4, 7:23 AM EDT | Tornado Warning | PHI | Chester, Delaware, Montgomery, Philadelphia | 20 min |
| Aug 4, 7:28 AM EDT | Flash Flood Warning | PHI | Chester, Delaware, Montgomery | 3 hr |
| Aug 4, 8:11 AM EDT | Flash Flood Warning | PHI | Bucks, Lehigh, Montgomery, Northampton | 4 hr |
| Aug 4, 8:19 AM EDT | River Flood Warning | PHI | Delaware | 15 hr |
| Aug 4, 8:19 AM EDT | Tornado Warning | PHI | Bucks | 26 min |
| Aug 4, 9:23 AM EDT | Tornado Warning | PHI | Chester | 22 min |
| Aug 4, 9:29 AM EDT | Tornado Warning | PHI | Monroe, Northampton | 31 min |
| Aug 4, 9:38 AM EDT | Flash Flood Warning | PHI | Monroe, Northampton | 4 hr |
| Aug 4, 9:58 AM EDT | Tornado Warning | PHI | Monroe | 16 min |
| Aug 4, 10:02 AM EDT | Flash Flood Warning | PHI | Chester, Delaware | 4 hr |
| Aug 4, 10:20 AM EDT | Flash Flood Warning | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 4 hr |
| Aug 4, 10:51 AM EDT | Tornado Warning | PHI | Montgomery | 24 min |
| Aug 4, 11:01 AM EDT | Flash Flood Warning | PHI | Bucks | 4 hr |
| Aug 4, 11:13 AM EDT | Areal Flood Advisory | PHI | Berks, Carbon, Lehigh, Monroe, Northampton | 4 hr |
| Aug 4, 11:43 AM EDT | Flash Flood Warning | PHI | Berks, Lehigh, Northampton | 4 hr |
| Aug 4, 12:06 PM EDT | River Flood Warning | PHI | Chester | 11 hr |
| Aug 4, 12:37 PM EDT | River Flood Warning | PHI | Montgomery | 14 hr |
| Aug 4, 12:48 PM EDT | River Flood Warning | PHI | Chester, Delaware | 24 hr |
| Aug 4, 1:01 PM EDT | River Flood Warning | PHI | Bucks | 18 hr |
| Aug 4, 1:12 PM EDT | River Flood Warning | PHI | Berks | 10 hr |
| Aug 4, 1:12 PM EDT | River Flood Warning | PHI | Montgomery | 26 hr |
| Aug 4, 1:12 PM EDT | River Flood Warning | PHI | Chester, Montgomery, Philadelphia | 43 hr |
| Aug 4, 1:12 PM EDT | River Flood Warning | PHI | Montgomery, Philadelphia | 35 hr |
| Aug 4, 1:59 PM EDT | Areal Flood Warning | PHI | Chester, Delaware | 9 hr |
| Aug 4, 2:09 PM EDT | Areal Flood Warning | PHI | Berks, Chester, Delaware, Montgomery, Philadelphia | 15 hr |
| Aug 4, 2:23 PM EDT | River Flood Warning | PHI | Lehigh | 16 hr |
| Aug 4, 2:47 PM EDT | Areal Flood Warning | PHI | Bucks | 9 hr |
| Aug 4, 4:39 PM EDT | River Flood Warning | PHI | Monroe | 6 hr |
| Aug 4, 7:29 PM EDT | Areal Flood Warning | PHI | Lehigh, Northampton | 12 hr |
| Aug 3, 8:07 PM EDT | Special Weather Statement | PHI | Hunterdon, Somerset, Warren | 23 min |
| Aug 3, 8:26 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Middlesex, Morris, Somerset | 34 min |
| Aug 3, 9:02 PM EDT | Special Weather Statement | PHI | Morris | 28 min |
| Aug 4, 5:55 AM EDT | Special Marine Warning | PHI | 21 min | |
| Aug 4, 8:38 AM EDT | Special Marine Warning | PHI | 52 min | |
| Aug 4, 9:16 AM EDT | Tornado Warning | PHI | Cumberland | 18 min |
| Aug 4, 9:28 AM EDT | Special Marine Warning | PHI | 32 min | |
| Aug 4, 9:31 AM EDT | Special Marine Warning | PHI | 59 min | |
| Aug 4, 9:42 AM EDT | Tornado Warning | PHI | Atlantic, Cape May | 19 min |
| Aug 4, 10:15 AM EDT | Tornado Warning | PHI | Atlantic, Burlington, Ocean | 14 min |
| Aug 4, 11:00 AM EDT | Tornado Warning | PHI | Monmouth, Ocean | 11 min |
| Aug 4, 11:59 AM EDT | Areal Flood Advisory | PHI | Hunterdon, Middlesex, Monmouth, Morris, Somerset | 4 hr |
| Aug 4, 2:33 PM EDT | River Flood Warning | PHI | Hunterdon, Somerset | 5 hr |
| Aug 4, 4:37 PM EDT | Areal Flood Warning | PHI | Cumberland, Salem | 10 hr |
| Aug 4, 5:04 PM EDT | Small Craft Advisory | PHI | 14 hr | |
| Aug 4, 5:30 PM EDT | Coastal Flood Statement | PHI | Ocean | 103 min |
Nearby
Areal Flood Warnings in Pennsylvania, 2020Areal Flood Warnings in New Jersey, 2020Every areal flood warning in 2020
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.