Thunderstorms during the afternoon and early evening of April 15 produced locally heavy rain in eastern Pennsylvania. 5 inches.
Every event with a place to put it. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS PHI wrote it up.
Thunderstorms during the afternoon and early evening of April 15 produced locally heavy rain in eastern Pennsylvania. Rainfall totals were as high as 2.0 to 3.5 inches.
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 15, 11:30 AM EST, 1 hour earlier.
Area Forecast Discussion
National Weather Service Mount Holly NJ
1230 PM EDT Sat Apr 15 2023
.SYNOPSIS...
Broad low pressure will remain across the region with high
pressure located offshore. Unseasonable warmth and periods of
showers and thunderstorms will continue into Sunday night ahead
of an approaching cold front. Cooler, drier, and breezy
conditions will then prevail in the wake of the cold front
Monday through Wednesday as high pressure settles to the south
of the region. Another frontal system may impact the area Friday
or Saturday with increasing temperatures later in the week.
&&
.NEAR TERM /THROUGH TONIGHT/...
Latest hi res guidance this morning continues to point towards
scattered convection developing across our region. A weak warm
front continues to push northward across the region, clearing
out low level clouds and allowing for better daytime heating.
With decent lapse rates and SBCAPE values now expected to reach
1500 J/kg or more, we could see a few strong thunderstorms
develop today, carrying the risk of small hail and strong winds
from a downburst. Not quite a widespread threat, but can't rule
out the chance a handful of thunderstorms become severe. Furthermore,
PWAT values over 1 inch are placing us in the 90th percentile
for moist environments in mid April, according to climatology.
Heavy downpours within the cells are certainly possible in
thunderstorms. The additional concern is the expected storm
motion of these cells. The storm motion vectors are expected to
be rather weak in addition to the potential for cells training
across the same region, which could lead to some localized urban
flooding.
Previous discussion...Aloft, a closed upper low is the main
player, as it is currently moving northeast along the spine of
the Appalachians and should pass just to our northeast late
today into this evening. As one well-known forecaster formerly
of this office was known to say, "You'll always find a surprise
under a closed low". Today, that surprise potential is related
to convection. Expect fairly widespread coverage of rain when
you average the whole day, so have high end categorical pops
inland, but much lower towards the coast where the marine layer
likely keeps things more stable and less conducive to showers
and storms. However, even inland, precipitation amounts likely
vary widely, since showers and storms may have slow movements.
There is potential for some locally heavy rainfall, perhaps an
inch or two in a few spots, which could cause some localized
minor flooding if it happens in the wrong place. That's the
first potential surprise. The other is that given the closed low
and just enough instability, we could end up with some small
hail. Best chance for all of these issues is from I-95 north and
west, especially across the Lehigh Valley, due to the
aforementioned marine influence closer to the coast. Highs will
be much cooler than the last few days, with readings mostly in
the 70s...60s at the coast.
Tonight, showers and storms dwindle as we lose instability and
the closed low passes northeastward away from us. However, the
low level moisture remains, so expect widespread low clouds and
possibly some dense fog. Lows in the 50s to near 60...coolest
again near the coast.
&&
.SHORT TERM /SUNDAY THROUGH MONDAY NIGHT/...
Brief shortwave ridging early Sunday will give way to falling
heights Sunday night as a closed mid-level low pushes slowly
eastward across the Great Lakes through Monday night. At the
surface, initially broad low pressure will consolidate and
strengthen, but quickly occlude across the Great Lakes on
Sunday. High pressure will be located offshore, thus
unseasonable warmth and humidity will persist until the arrival
of a cold front Sunday night. The occluded low will remain north
of the area in the wake of the cold front with weak high
pressure gradually building to our south on Monday.
Aside from some patchy morning fog across the area and isolated
morning showers near/north of I-78, the daytime Sunday should
be mostly dry. It will be mostly cloudy, although some clearing
is anticipated south of and perhaps near to the Philly metro.
High temperatures are forecast to be mainly in the 70s, although
locations that clear out more will probably warm to near 80
degrees. Dewpoints near 60 degrees will cause the air to feel a
bit muggy for April. Winds will be around 5-10 mph from the
south to southeast.
A cold front will approach the area Sunday evening and cross
the area overnight. Widely scattered showers and a few
thunderstorms associated with the front should be already in
progress upstream as it approaches during the evening. The exact
timing of this activity moving across our area still remains a
little unclear, although the general consensus does appear to be
trending toward a faster solution. The fastest outcome would
have the dry slot moving into the area by daybreak with a nearly
completely dry daytime period Monday. A slower outcome could
have some showers lingering through much of the morning. I have
trended the forecast toward the latest consensus of a faster
solution with this morning's update. The showers and any
thunderstorms will be benign, providing some needed rainfall to
some areas. Low temperatures will be main in the 50s.
For Monday, breezy southwest winds will develop behind the
front with temperatures rising into the mid 60s to near 70
degrees across the coastal plains. Skies should clear across the
coastal plains, although cooler mid-level temperatures and
increased surface moisture should keep skies mostly cloudy
northwest of I-95. A few afternoon showers could develop in this
region as well.
Westerly winds will prevail around 10-20 mph Monday night with
temperatures falling into the 40s and skies gradually clearing.
&&
.LONG TERM /TUESDAY THROUGH FRIDAY/...
The closed mid-level low will lift northeast and away from the
area Tuesday through Wednesday as ridging briefly returns. High
pressure will continue building to our south before sliding
offshore. A cooler and drier airmass will be in place behind the
departing system along with breezy west to northwest winds.
Tuesday will be the most windy and coolest day. West winds will
be around 15-25 mph with gusts up to 35 mph possible. Highs will
range from the mid 50s north to the mid 60s across Delmarva.
Tuesday night and Wednesday night will be chilly with lows
ranging from the mid 30s north to mid 40s south. The gradient
winds in place should preclude any widespread frost formation
across the Lehigh Valley and northern New Jersey.
Temperatures will begin to rebound considerably by Thursday and
Friday as upper ridging shifts offshore and the surface high
shift the winds back to the south and southwest. Highs will be
well into the 70s with lows back into the 50s. Another trough
will approach the region Friday or Saturday with another cold
front impacting the region during this period. This will bring a
returning chance for showers.
&&
.AVIATION /16Z SATURDAY THROUGH WEDNESDAY/...
The following discussion is for KPHL, KPNE, KTTN, KABE, KRDG,
KILG, KMIV, KACY and surrounding areas...
Today...IFR/LIFR fog and low ceilings this morning across the
southern TAF sites will eventually lift to prevailing MVFR
conditions later this morning, but ACY could hang onto IFR all
day. VFR could return in the afternoon, but with the caveat of
moments of MVFR/IFR as a result of showers and possibly some
thunderstorms overspreading the region. Storm risk is lower
east of I-95 terminals but there, MVFR conditions likely persist
with IFR at times just due to low clouds and fog. Winds today
mostly light from the south to east, generally 5 kts or so. A
few stronger gusts possible in any thunderstorms.
Tonight...showers and storms end and it looks like a blanket of
low clouds and possibly dense fog will envelop most of the
terminals overnight. Winds becoming light and variable.
Outlook...
Sunday through Sunday night...Any restrictions early in the day
should improve to VFR by 18Z or so. MVFR to IFR conditions will
develop again after 00Z as showers and a few thunderstorms
spread into the area. Winds settling out of the south to
southeast around 5-10 kts by 18Z. LLWS possible. Moderate
confidence.
Monday through Monday night...Any lingering restrictions early
will quickly improve to VFR. A few showers possible at RDG/ABE.
Southwest to west winds around 15 kts. High confidence.
Tuesday...VFR. West winds 15-20 kts with gusts up to 30 kts
possible during the daytime. High confidence.
Tuesday night through Wednesday...West to northwest winds
around 15 kts with gusts near 25 kts possible during the
daytime. High confidence.
&&
.MARINE...
Sub-SCA conditons expected through tonight. Winds southerly
early this morning becoming easterly to southeasterly but
staying in the 5-10 kt range. Winds gradually become more
southerly tonight and increase to 10-15 kts late, but still
short of SCA. Seas generally 2-3 ft. Main concern today and
tonight will be the risk of fog on the waters, and marine dense
fog advisories may be required.
Outlook...
Sunday through Sunday night...Areas of dense marine fog
possible with visibility 1-3 NM. East to southeast winds will
increase to around 10-15 kts and shift southerly by Sunday
evening. Scattered showers and thunderstorms Sunday night. Seas
2-4 feet.
Monday through Monday night...No marine headlines anticipated.
West to southwest winds 10-15 kts with gusts near 20 kts. Seas
3-4 feet. Fair weather.
Tuesday...Small Craft Advisory conditions probable. West winds
15-20 kts with gusts up to 30 kts possible. Seas 3-4 feet. Fair
weather.
Tuesday night through Wednesday...Marine headlines unlikely.
West to northwest winds around 15-20 kts. Seas 2-4 feet. Fair
weather.
&&
.FIRE WEATHER...
RHs continue to increase this morning as rain moves into the
area and the fire weather threat diminishes for the weekend.
Much needed rainfall is likely for Saturday and Sunday night,
with rainfall amounts in the quarter to half inch range. This
may temporarily limit the risk of fire spread until we dry out
later towards the middle of next week.
&&
.CLIMATE...
Record high temperatures were set at ABE and MPO yesterday,
April 14th. ACY and the AC Marina both set new record warmest
low temperatures for yesterday as well. Record highs will be
safe today, however record warmest low temperatures may be in
jeopardy for today.
4/15 Saturday
Warmest Low
Allentown (ABE) 59 in 2002
AC Airport (ACY) 61 in 2002
AC Marina (55N) 59 in 1941 & 2006
Georgetown (GED) 65 in 2002
Mount Pocono (MPO) 58 in 1960 & 2002
Philadelphia (PHL) 64 in 2002
Reading (RDG) 64 in 1938
Trenton (TTN) 63 in 2002
Wilmington (ILG) 62 in 2002
&&
.PHI WATCHES/WARNINGS/ADVISORIES...
PA...None.
NJ...None.
DE...None.
MD...None.
MARINE...Dense Fog Advisory until 2 PM EDT this afternoon for ANZ430-
431-454-455.
Dense Fog Advisory until 5 PM EDT this afternoon for
ANZ450>453.
&&
SYNOPSIS...RCM/Staarmann
NEAR TERM...MJL/RCM
SHORT TERM...Staarmann
LONG TERM...RCM/Staarmann
AVIATION...MJL/RCM/Staarmann
MARINE...RCM/Staarmann
FIRE WEATHER...
CLIMATE...Hazardous Weather Outlook National Weather Service Mount Holly NJ 1046 AM EDT Sat Apr 15 2023 DEZ001-161446- New Castle- 1046 AM EDT Sat Apr 15 2023 This Hazardous Weather Outlook is for New Castle County in Delaware. .DAY ONE...Through tonight. The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Sunday through Friday. 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. DEZ002-161446- Kent- 1046 AM EDT Sat Apr 15 2023 This Hazardous Weather Outlook is for Kent County in Delaware. .DAY ONE...Through tonight. The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Sunday through Friday. 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. DEZ003-161446- Inland Sussex- 1046 AM EDT Sat Apr 15 2023 This Hazardous Weather Outlook is for inland portions of Sussex County in Delaware. .DAY ONE...Through tonight. The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Sunday through Friday. 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. DEZ004-161446- Delaware Beaches- 1046 AM EDT Sat Apr 15 2023 This Hazardous Weather Outlook is for the Atlantic coastal portions of Sussex County in Delaware. .DAY ONE...Through tonight. The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Sunday through Friday. 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. PAZ054-161446- Carbon- 1046 AM EDT Sat Apr 15 2023 This Hazardous Weather Outlook is for Carbon County in Pennsylvania. .DAY ONE...Through tonight. The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Sunday through Friday. 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. PAZ055-161446- Monroe- 1046 AM EDT Sat Apr 15 2023 This Hazardous Weather Outlook is for Monroe County in Pennsylvania. .DAY ONE...Through tonight. The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Sunday through Friday. 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. PAZ060-161446- Berks- 1046 AM EDT Sat Apr 15 2023 This Hazardous Weather Outlook is for Berks County in Pennsylvania. .DAY ONE...Through tonight. The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Sunday through Friday. 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. PAZ061-161446- Lehigh- 1046 AM EDT Sat Apr 15 2023 This Hazardous Weather Outlook is for Lehigh County in Pennsylvania. .DAY ONE...Through tonight. The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Sunday through Friday. 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. PAZ062-161446- Northampton- 1046 AM EDT Sat Apr 15 2023 This Hazardous Weather Outlook is for Northampton County in Pennsylvania. .DAY ONE...Through tonight. The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Sunday through Friday. 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. PAZ070-161446- Delaware- 1046 AM EDT Sat Apr 15 2023 This Hazardous Weather Outlook is for Delaware County in Pennsylvania. .DAY ONE...Through tonight. The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Sunday through Friday. 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. PAZ071-161446- Philadelphia- 1046 AM EDT Sat Apr 15 2023 This Hazardous Weather Outlook is for Philadelphia County in Pennsylvania. .DAY ONE...Through tonight. The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Sunday through Friday. 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. PAZ101-161446- Western Chester- 1046 AM EDT Sat Apr 15 2023 This Hazardous Weather Outlook is for western Chester County in Pennsylvania. .DAY ONE...Through tonight. The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Sunday through Friday. 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. PAZ102-161446- Eastern Chester- 1046 AM EDT Sat Apr 15 2023 This Hazardous Weather Outlook is for eastern Chester County in Pennsylvania. .DAY ONE...Through tonight. The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Sunday through Friday. 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. PAZ103-161446- Western Montgomery- 1046 AM EDT Sat Apr 15 2023 This Hazardous Weather Outlook is for western Montgomery County in Pennsylvania. .DAY ONE...Through tonight. The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Sunday through Friday. 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. PAZ104-161446- Eastern Montgomery- 1046 AM EDT Sat Apr 15 2023 This Hazardous Weather Outlook is for eastern Montgomery County in Pennsylvania. .DAY ONE...Through tonight. The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Sunday through Friday. 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. PAZ105-161446- Upper Bucks- 1046 AM EDT Sat Apr 15 2023 This Hazardous Weather Outlook is for upper Bucks County in Pennsylvania. .DAY ONE...Through tonight. The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Sunday through Friday. 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. PAZ106-161446- Lower Bucks- 1046 AM EDT Sat Apr 15 2023 This Hazardous Weather Outlook is for lower Bucks County in Pennsylvania. .DAY ONE...Through tonight. The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Sunday through Friday. 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. NJZ001-161446- Sussex- 1046 AM EDT Sat Apr 15 2023 This Hazardous Weather Outlook is for Sussex County in New Jersey. .DAY ONE...Through tonight. The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Sunday through Friday. 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. NJZ007-161446- Warren- 1046 AM EDT Sat Apr 15 2023 This Hazardous Weather Outlook is for Warren County in New Jersey. .DAY ONE...Through tonight. The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Sunday through Friday. 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. NJZ008-161446- Morris- 1046 AM EDT Sat Apr 15 2023 This Hazardous Weather Outlook is for Morris County in New Jersey. .DAY ONE...Through tonight. The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Sunday through Friday. 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. NJZ009-161446- Hunterdon- 1046 AM EDT Sat Apr 15 2023 This Hazardous Weather Outlook is for Hunterdon County in New Jersey. .DAY ONE...Through tonight. Areas of fog, some of which could be dense, are possible. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .DAYS TWO THROUGH SEVEN...Sunday through Friday. 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. NJZ010-161446- Somerset- 1046 AM EDT Sat Apr 15 2023 This Hazardous Weather Outlook is for Somerset County in New Jersey. .DAY ONE...Through tonight. The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Sunday through Friday. 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. NJZ012-161446- Middlesex- 1046 AM EDT Sat Apr 15 2023 This Hazardous Weather Outlook is for Middlesex County in New Jersey. .DAY ONE...Through tonight. Areas of fog, some of which could be dense, are possible. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .DAYS TWO THROUGH SEVEN...Sunday through Friday. 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. NJZ013-161446- Western Monmouth- 1046 AM EDT Sat Apr 15 2023 This Hazardous Weather Outlook is for western Monmouth County in New Jersey. .DAY ONE...Through tonight. Widespread dense fog is possible. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .DAYS TWO THROUGH SEVEN...Sunday through Friday. Areas of fog, some of which could be dense, are possible on Sunday. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. NJZ014-161446- Eastern Monmouth- 1046 AM EDT Sat Apr 15 2023 This Hazardous Weather Outlook is for eastern Monmouth County in New Jersey. .DAY ONE...Through tonight. Widespread dense fog is possible. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .DAYS TWO THROUGH SEVEN...Sunday through Friday. Areas of fog, some of which could be dense, are possible on Sunday. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. NJZ015-161446- Mercer- 1046 AM EDT Sat Apr 15 2023 This Hazardous Weather Outlook is for Mercer County in New Jersey. .DAY ONE...Through tonight. The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Sunday through Friday. 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. NJZ016-161446- Salem- 1046 AM EDT Sat Apr 15 2023 This Hazardous Weather Outlook is for Salem County in New Jersey. .DAY ONE...Through tonight. Areas of fog, some of which could be dense, are possible. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .DAYS TWO THROUGH SEVEN...Sunday through Friday. 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. NJZ017-161446- Gloucester- 1046 AM EDT Sat Apr 15 2023 This Hazardous Weather Outlook is for Gloucester County in New Jersey. .DAY ONE...Through tonight. Areas of fog, some of which could be dense, are possible. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .DAYS TWO THROUGH SEVEN...Sunday through Friday. 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. NJZ018-161446- Camden- 1046 AM EDT Sat Apr 15 2023 This Hazardous Weather Outlook is for Camden County in New Jersey. .DAY ONE...Through tonight. The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Sunday through Friday. 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. NJZ019-161446- Northwestern Burlington- 1046 AM EDT Sat Apr 15 2023 This Hazardous Weather Outlook is for northwestern Burlington County in New Jersey. .DAY ONE...Through tonight. The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Sunday through Friday. 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. NJZ020-161446- Ocean- 1046 AM EDT Sat Apr 15 2023 This Hazardous Weather Outlook is for inland portions of Ocean County in New Jersey. .DAY ONE...Through tonight. Widespread dense fog is possible. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .DAYS TWO THROUGH SEVEN...Sunday through Friday. 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. NJZ021-161446- Cumberland- 1046 AM EDT Sat Apr 15 2023 This Hazardous Weather Outlook is for Cumberland County in New Jersey. .DAY ONE...Through tonight. Widespread dense fog is possible. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .DAYS TWO THROUGH SEVEN...Sunday through Friday. 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. NJZ022-161446- Atlantic- 1046 AM EDT Sat Apr 15 2023 This Hazardous Weather Outlook is for inland portions of Atlantic County in New Jersey. .DAY ONE...Through tonight. Widespread dense fog is possible. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .DAYS TWO THROUGH SEVEN...Sunday through Friday. 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. NJZ023-161446- Cape May- 1046 AM EDT Sat Apr 15 2023 This Hazardous Weather Outlook is for Cape May County excluding the Atlantic coast in New Jersey. .DAY ONE...Through tonight. Widespread dense fog is possible. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .DAYS TWO THROUGH SEVEN...Sunday through Friday. 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. NJZ024-161446- Atlantic Coastal Cape May- 1046 AM EDT Sat Apr 15 2023 This Hazardous Weather Outlook is for the Atlantic coastal portions of Cape May County in New Jersey. .DAY ONE...Through tonight. Widespread dense fog is possible. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .DAYS TWO THROUGH SEVEN...Sunday through Friday. 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. NJZ025-161446- Coastal Atlantic- 1046 AM EDT Sat Apr 15 2023 This Hazardous Weather Outlook is for coastal portions of Atlantic County in New Jersey. .DAY ONE...Through tonight. Widespread dense fog is possible. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .DAYS TWO THROUGH SEVEN...Sunday through Friday. Areas of fog, some of which could be dense, are possible on Sunday. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. NJZ026-161446- Coastal Ocean- 1046 AM EDT Sat Apr 15 2023 This Hazardous Weather Outlook is for coastal portions of Ocean County in New Jersey. .DAY ONE...Through tonight. Widespread dense fog is possible. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .DAYS TWO THROUGH SEVEN...Sunday through Friday. Areas of fog, some of which could be dense, are possible on Sunday. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. NJZ027-161446- Southeastern Burlington- 1046 AM EDT Sat Apr 15 2023 This Hazardous Weather Outlook is for southeastern Burlington County in New Jersey. .DAY ONE...Through tonight. Areas of fog, some of which could be dense, are possible. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .DAYS TWO THROUGH SEVEN...Sunday through Friday. 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. MDZ012-161446- Kent MD- 1046 AM EDT Sat Apr 15 2023 This Hazardous Weather Outlook is for Kent County in Maryland. .DAY ONE...Through tonight. The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Sunday through Friday. 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. MDZ015-161446- Queen Annes- 1046 AM EDT Sat Apr 15 2023 This Hazardous Weather Outlook is for Queen Annes County in Maryland. .DAY ONE...Through tonight. The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Sunday through Friday. 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. MDZ019-161446- Talbot- 1046 AM EDT Sat Apr 15 2023 This Hazardous Weather Outlook is for Talbot County in Maryland. .DAY ONE...Through tonight. The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Sunday through Friday. 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. MDZ020-161446- Caroline- 1046 AM EDT Sat Apr 15 2023 This Hazardous Weather Outlook is for Caroline County in Maryland. .DAY ONE...Through tonight. The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Sunday through Friday. 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. ANZ430-161446- Delaware Bay waters north of East Point NJ to Slaughter Beach DE- 1046 AM EDT Sat Apr 15 2023 This Hazardous Weather Outlook is for upper Delaware Bay. .DAY ONE...Through tonight. Widespread dense fog is possible. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .DAYS TWO THROUGH SEVEN...Sunday through Friday. 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. ANZ431-161446- Delaware Bay waters south of East Point NJ to Slaughter Beach DE- 1046 AM EDT Sat Apr 15 2023 This Hazardous Weather Outlook is for lower Delaware Bay. .DAY ONE...Through tonight. Widespread dense fog is possible. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .DAYS TWO THROUGH SEVEN...Sunday through Friday. Areas of fog, some of which could be dense, are possible on Sunday. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. ANZ450-161446- Coastal waters from Sandy Hook to Manasquan Inlet NJ out 20 nm- 1046 AM EDT Sat Apr 15 2023 This Hazardous Weather Outlook is for the Atlantic coastal waters adjacent to Monmouth County out 20 nm. .DAY ONE...Through tonight. Widespread dense fog is likely. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .DAYS TWO THROUGH SEVEN...Sunday through Friday. Widespread dense fog is possible on Sunday. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. ANZ451-161446- Coastal waters from Manasquan Inlet to Little Egg Inlet NJ out 20 nm- 1046 AM EDT Sat Apr 15 2023 This Hazardous Weather Outlook is for the Atlantic coastal waters adjacent to Ocean County out 20 nm. .DAY ONE...Through tonight. Widespread dense fog is likely. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .DAYS TWO THROUGH SEVEN...Sunday through Friday. Widespread dense fog is possible on Sunday. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. ANZ452-161446- Coastal waters from Little Egg Inlet to Great Egg Inlet NJ out 20 nm- 1046 AM EDT Sat Apr 15 2023 This Hazardous Weather Outlook is for the Atlantic coastal waters adjacent to Atlantic County out 20 nm. .DAY ONE...Through tonight. Widespread dense fog is likely. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .DAYS TWO THROUGH SEVEN...Sunday through Friday. Widespread dense fog is possible on Sunday. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. ANZ453-161446- Coastal waters from Great Egg Inlet to Cape May NJ out 20 nm- 1046 AM EDT Sat Apr 15 2023 This Hazardous Weather Outlook is for the Atlantic coastal waters adjacent to Cape May County out 20 nm. .DAY ONE...Through tonight. Widespread dense fog is likely. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .DAYS TWO THROUGH SEVEN...Sunday through Friday. Widespread dense fog is possible on Sunday. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. ANZ454-161446- Coastal waters from Cape May NJ to Cape Henlopen DE out 20 nm- 1046 AM EDT Sat Apr 15 2023 This Hazardous Weather Outlook is for the Atlantic coastal waters adjacent to the mouth of Delaware Bay out 20 nm. .DAY ONE...Through tonight. Widespread dense fog is possible. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .DAYS TWO THROUGH SEVEN...Sunday through Friday. Areas of fog, some of which could be dense, are possible on Sunday. Please go to weather.gov/phi/ehwo for more information on potential weather hazards. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. ANZ455-161446- Coastal waters from Cape Henlopen to Fenwick Island DE out 20 nm- 1046 AM EDT Sat Apr 15 2023 This Hazardous Weather Outlook is for the Atlantic coastal waters adjacent to Sussex County out 20 nm. .DAY ONE...Through tonight. The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Sunday through Friday. 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.
Special Weather Statement
National Weather Service Mount Holly NJ
106 PM EDT Sat Apr 15 2023
DEZ001-NJZ016-151745-
New Castle DE-Salem NJ-
106 PM EDT Sat Apr 15 2023
...A strong thunderstorm will impact portions of northwestern New
Castle and northwestern Salem Counties through 145 PM EDT...
At 105 PM EDT, Doppler radar was tracking a strong thunderstorm over
Mount Pleasant, or near Middletown, moving north at 15 mph.
HAZARD...Wind gusts up to 40 mph and half inch hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Wilmington, Newark, Middletown, Pennsville, Carneys Point, New
Castle, Delaware City, Newport, Saint Georges, Mount Pleasant,
Stanton, Glasgow, Bear, Delaware Memorial Bridge, Port Penn,
Wilmington Manor, Pike Creek, North Star, Odessa and Brookside.
This includes the following highways...
Interstate 95 in Delaware between mile markers 1 and 12.
Interstate 295 in New Jersey between mile markers 0 and 3.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 3973 7577 3975 7576 3970 7546 3942 7559
3945 7577 3972 7579
TIME...MOT...LOC 1705Z 193DEG 11KT 3952 7570
MAX HAIL SIZE...0.50 IN
MAX WIND GUST...40 MPH
HoeflichPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
109 PM EDT SAT APR 15 2023
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1258 PM HAIL BETHLEHEM 40.63N 75.38W
04/15/2023 M0.88 INCH NORTHAMPTON PA TRAINED SPOTTER
&&
MLBSpecial Weather Statement
National Weather Service Mount Holly NJ
109 PM EDT Sat Apr 15 2023
NJZ001-151745-
Sussex NJ-
109 PM EDT Sat Apr 15 2023
...A strong thunderstorm will impact portions of northwestern Sussex
County through 145 PM EDT...
At 109 PM EDT, Doppler radar was tracking a strong thunderstorm over
Branchville, or near Newton, moving north at 20 mph.
HAZARD...Wind gusts up to 40 mph and penny size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Montague, Sussex, Branchville, High Point, Pellettown, Crandon Lakes
and Hainesville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 4127 7451 4105 7465 4111 7488 4129 7483
4135 7475 4136 7470
TIME...MOT...LOC 1709Z 198DEG 17KT 4115 7474
MAX HAIL SIZE...0.75 IN
MAX WIND GUST...40 MPH
HoeflichPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
112 PM EDT SAT APR 15 2023
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0107 PM HAIL DOVER 39.16N 75.53W
04/15/2023 E0.88 INCH KENT DE PUBLIC
&&
MLBPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
113 PM EDT SAT APR 15 2023
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0112 PM HAIL DOVER AIR FORCE BASE 39.13N 75.46W
04/15/2023 M0.88 INCH KENT DE PUBLIC
PICTURE OF ROUGHLY NICKEL SIZE PROVIDED VIA
SOCIAL MEDIA.
&&
MLBPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
127 PM EDT SAT APR 15 2023
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0120 PM HAIL FOUNTAIN HILL 40.61N 75.40W
04/15/2023 M0.25 INCH LEHIGH PA TRAINED SPOTTER
&&
DIThe Philadelphia radar (KDIX), 108 km away, was scanning. The volume nearest the first event began at 17:31 UTC.
3 flash flood. Local standard time, as filed.
PA Route 309 was closed due to flooding in Upper Saucon Township from Huckleberry Drive to West Hopewell Road.
Several roads in Fountain Hill became impassable due to flooding.
Several roads in Lower Macungie Township became impassable due to flooding. There was a water rescue from a stranded vehicle at Church Lane and Oak Drive.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Pennsylvania in 2023Every state in 2023This day in weather historyWarnings in Pennsylvania, April 2023
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: 1081487, 1081489, 1081495.