Alert archive / New Jersey / Special Marine Warnings in 2019

Special Marine Warning 49, NWS Philadelphia/Mount Holly

May 29, 2019

NWS Philadelphia/Mount Holly issued this special marine warning at May 29, 2019, 7:25 PM EDT. It was in force for 65 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
May 29, 2019, 7:25 PM EDT (23:25 UTC)
Expired
May 29, 2019, 8:30 PM EDT
In force
65 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
0.75 in
Wind
50.0 mph

The radar

The Dover AFB radar (KDOX), 50 km from the middle of the area, began a volume at 23:21 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

Wallops Is Stn, VA (KWAL), launched 12:00Z, 11.4 hours before the alert went out and 148 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.

Skew-T log-pSkew-T log-p diagram, Wallops Is Stn, VA at 12:00Z on 2019-05-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 499 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Wallops Is Stn, VA at 12:00Z on 2019-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -55 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
499 J/kg
Mixed-layer CIN
-120 J/kg
Mixed-layer LCL
1530 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
-55 m²/s²
0-3 km storm-relative helicity
41 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.2

Open this sounding in Storm Lab

The text

As transmitted.

410 
WHUS51 KPHI 292325
SMWPHI
ANZ430-431-300030-
/O.NEW.KPHI.MA.W.0049.190529T2325Z-190530T0030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Special Marine Warning
National Weather Service Mount Holly NJ
725 PM EDT Wed May 29 2019

The National Weather Service in Mount Holly NJ has issued a

* Special Marine Warning for...
  Delaware Bay...

* Until 830 PM EDT.

* At 725 PM EDT, severe thunderstorms were located along a line
  extending from near Stony Point to near Bowers Beach, moving east
  at 35 knots.

  HAZARD...Wind gusts in excess of 50 knots and large hail.

  SOURCE...Radar.

  IMPACT...Boats could suffer significant structural damage in high 
           winds and hail. Small craft could capsize in suddenly 
           higher waves.

* Locations impacted include...
  Fortesque Beach, Brown Shoal Light, Sea Breeze, Fourteen Foot Bank
  Light, East Point, Woodland Beach, Ship John Shoal Light, Miah
  Maull Light, Brandywine Shoal Light and Cross Ledge Light.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A tornado watch remains in effect until 800 PM EDT for southern New
Jersey...and the adjacent coastal waters.

Move to safe harbor until hazardous weather passes.

&&

LAT...LON 3944 7549 3938 7527 3938 7529 3929 7529
      3942 7523 3931 7527 3931 7519 3918 7514
      3921 7505 3923 7504 3935 7503 3920 7503
      3916 7489 3878 7511 3881 7524 3926 7541
      3927 7541 3927 7542 3935 7551
TIME...MOT...LOC 2325Z 274DEG 34KT 3950 7540 3897 7545 

HAIL...>.75IN
WIND...50KTS

$$

Iovino

What forecasters said that day

The local office's own words before this special marine 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 special marine warning went out at May 29, 6:45 PM EDT, 40 minutes earlier.

Area forecast discussion, May 29, 6:45 PM EDT, 40 minutes before
Area Forecast Discussion
National Weather Service Mount Holly NJ
645 PM EDT Wed May 29 2019

.SYNOPSIS...
Multiple waves of low pressure will move along a nearby frontal
boundary through Thursday, bringing additional shower and
thunderstorm chances. A cold front should move through from the west
by Thursday night, with fair weather following for Friday. Another
cold front will move through this weekend. High pressure should
build in for early next week.

&&

.NEAR TERM /UNTIL 6 AM THURSDAY MORNING/...
The Tornado Watch has been cancelled for portions of northeast
Pennsylvania and northern New Jersey, however it continues for
areas south of there. The showers and thunderstorms are moving
across the area this evening now. The low pressure that was
moving along the frontal boundary that has been drapped across
our area is located across southern New Jersey as of 6 pm and
will continue to move eastward through this evening. As it
continues to move eastward, it will push the boundary south of
the area, and push the showers and thunderstorms south and
offshore of the coast as well through the next couple of hours.
However, there remains instability ahaed of the front and strong
shear so damaging winds and hail remain possible until the
storms move offshore.

The Flash Flood Watch continues due to the heavy rain moving
across the area as PW values between 1.5-2.0 inches which is
producing effecient rainfall.

As the low continues to move eastward along the boundary, it is
expected to push the boundary southward across the area this
evening. Once this front moves to our south by midnight,
shower/thunderstorm activity is expected to push to our south.
With the amount of low level moisture from the rainfall this
afternoon/evening, there could be some patchy fog, especially
where winds go light and variable.

&&

.SHORT TERM /6 AM THURSDAY MORNING THROUGH THURSDAY NIGHT/...
The front that pushes to our south Wednesday night will begin
lifting back northward on Thursday ahead of yet another low
pressure system that will be moving along the boundary coming in
from our west. Showers and thunderstorms are expected to
develop and increase in coverage from west to east as a couple
of short wave/vorticity impulses move into the area. PW values
approach 1.5-1.75 inches during the afternoon and evening hours
on Thursday as these showers and thunderstorms move across the
area. So there will be a potential for heavy rain again for
Thursday afternoon and Thursday evening. The concern Thursday
will be the flow becomes more southwest aloft, which may lead to
a better chance of training storms. The severe threat looks
less that the last couple of days, however, not gone all
together. CAPE values build to 500-1000 J/kg in the warm sector
as the boundary drifts northward, and with 40-50 knots in the
mid levels, shear will be 40-50 knots. This could lead to
another round of severe storms Thursday afternoon and evening.

The low pressure will finally pull the cold front across the
area overnight Thursday, which will end all precipitation
chances. Dry weather will continue into Friday and Friday night
as weak high pressure begins to build into the area from the
west.

&&

.LONG TERM /FRIDAY THROUGH WEDNESDAY/...
Long term forecast was updated using the latest national
blended guidance and adjusted slightly for consistency. No
significant changes were made to the previously issued forecast.

As we head into the weekend and early next week, the upper air
pattern over the CONUS becomes dramatically different than what we
have seen the past couple of weeks. A closed H5 low looks to park
itself over Ontario, held in place and pushed slowly southward by
blocking over Greenland. This will lead to troughing over the East,
a big change from the Southeast ridge which had become a fixture of
our pattern. This is a pattern that favors cooler air, and we should
see that manifest by late in the weekend and early next week. In
terms of precipitation, we will have to watch a couple of shortwaves
rotating around the upper low. Guidance is struggling to time these,
but as they move through we will see shower and storm chances. In
addition, we will need to keep an eye on southern stream energy over
the weekend, with some potential for cyclogenesis near the
Carolinas. Should that occur, it is possible moisture from that
system could become involved in our weather. Finally, we will also
have to watch the position of the upper low itself. Should it wobble
far enough south, the cool air aloft would favor additional
instability showers early next week, though the overall trend should
be drier with time. So all in all, while it is difficult to time out
individual features, the trends should be cooler weather than we've
seen, and continued opportunities for occasional showers and storms,
though perhaps more in the way of dry weather by early next week.

Favoring a mainly dry and seasonably warm day on Saturday given
southerly flow ahead of an approaching front. However, the
shower/storm risk will increase late day and evening at least in the
western zones as the first shortwave rotates around the base of the
upper low. Another shortwave should follow by Sunday, which may have
a more widespread chance for showers and storms. Too early to gauge
the potential for strong storms; it will probably depend mainly on
the timing of the disturbances, though if nothing else the gradual
cooling trend should help lower the overall severe weather risk.
Monday and Tuesday should be the coolest days as the upper low makes
its closest approach to us. Given the time of year, "cool" will
still mean highs mainly into the low to mid 70s. With high pressure
trying to build in from the west, these days should be mostly dry.
However, as mentioned, if the upper low moves closer to over the top
of us, we could see more in the way of cloudiness and afternoon
showers.

&&

.AVIATION /22Z WEDNESDAY THROUGH MONDAY/...
The following discussion is for KPHL, KPNE, KTTN, KABE, KRDG,
KILG, KMIV, KACY and surrounding areas.

Tonight...VFR ceilings expected overnight once showers and
thunderstorms end across the area. Sub-VFR conditions in
SHRA/TSRA this evening. Damaging wind gusts possible if severe
storms pass over a given terminal. Light patchy fog may develop
with MVFR VSBY restrictions overnight. Winds may become light
and variable for most locations overnight. Any direction will be
mostly from the west to northwest.

OUTLOOK...

Thursday-Thursday night...Generally VFR, except lower conditions
possible with showers and thunderstorms Thursday afternoon and
night. Southwest winds may gust 15-20 knots during the day Thursday,
then become northwest overnight.

Friday-Friday night...Generally VFR. Northwest may gust 15-20 knots
early in the day.

Saturday-Saturday night... Generally VFR Saturday with a southwest
wind developing at 5 to 10 kt. Slight chance of a shower or
thunderstorm late afternoon or overnight.

Sunday-Sunday night... Scattered showers and tstms possible
with associated restrictions. Light westerly winds.

Monday...Generally VFR conditions expected.

&&

.MARINE...
Conditions expected to remain below advisory conditions through
Friday might. However, there will be showers and thunderstorms
through this evening, and again Thursday afternoon/evening.
There is the potential for wind gusts in excess of 34 kt,
possibly in excess of 50 kt in the strongest thunderstorms,
large hail, and frequent lightning.

OUTLOOK...

Saturday-Sunday...Winds and seas are expected to remain below
SCA criteria for the weekend. Scattered showers and
thunderstorms are possible especially Sunday.

Rip Currents...

There is a low risk for the formation of dangerous rip currents
today.

&&

.PHI WATCHES/WARNINGS/ADVISORIES...
PA...Flash Flood Watch until 2 AM EDT Thursday for PAZ054-055-
     060>062-070-071-101>106.
NJ...Flash Flood Watch until 2 AM EDT Thursday for NJZ001-007>010-
     012>020-026-027.
DE...Flash Flood Watch until 2 AM EDT Thursday for DEZ001.
MD...None.
MARINE...None.

&&

Synopsis...O'Brien
Near Term...Robertson
Short Term...Robertson
Long Term...O'Brien/Staarmann
Aviation...Robertson/MPS/O'Brien
Marine...MPS/O'Brien
Hazardous weather outlook, May 29, 6:26 PM EDT, 59 minutes before
Hazardous Weather Outlook...CORRECTED
National Weather Service Mount Holly NJ
626 PM EDT Wed May 29 2019

DEZ001-NJZ015>019-027-PAZ060-070-071-101>106-302230-
New Castle-Mercer-Salem-Gloucester-Camden-Northwestern Burlington-
Southeastern Burlington-Berks-Delaware-Philadelphia-Western Chester-
Eastern Chester-Western Montgomery-Eastern Montgomery-Upper Bucks-
Lower Bucks-
626 PM EDT Wed May 29 2019

...FLASH FLOOD WATCH IN EFFECT UNTIL 2 AM EDT THURSDAY...
...TORNADO WATCH 292 IN EFFECT UNTIL 8 PM EDT THIS EVENING...

This Hazardous Weather Outlook is for northern Delaware, central
New Jersey, southern New Jersey, east central Pennsylvania and
southeast Pennsylvania.

.DAY ONE...Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Tornado Watch.
   Flash Flood Watch.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Another round of thunderstorms with heavy rain is possible
Thursday afternoon into Thursday evening which could lead to
additional flooding concerns. There is also a risk for severe
weather Thursday afternoon into Thursday evening.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to standard operating procedures.

NJZ001-007>010-012-013-020-PAZ054-055-061-062-302230-
Sussex-Warren-Morris-Hunterdon-Somerset-Middlesex-Western Monmouth-
Ocean-Carbon-Monroe-Lehigh-Northampton-
626 PM EDT Wed May 29 2019

...FLASH FLOOD WATCH IN EFFECT UNTIL 2 AM EDT THURSDAY...

This Hazardous Weather Outlook is for central New Jersey, northern
New Jersey, northwest New Jersey, southern New Jersey, east central
Pennsylvania and northeast Pennsylvania.

.DAY ONE...Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Flash Flood Watch.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Another round of thunderstorms with heavy rain is possible
Thursday afternoon into Thursday evening which could lead to
additional flooding concerns. There is also a risk for severe
weather Thursday afternoon into Thursday evening.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

DEZ002-003-MDZ012-015-019-020-302230-
Kent-Inland Sussex-Kent MD-Queen Annes-Talbot-Caroline-
626 PM EDT Wed May 29 2019

This Hazardous Weather Outlook is for central Delaware, southern
Delaware and northeast Maryland.

.DAY ONE...Tonight.

Strong to severe thunderstorms are possible this evening resulting
in damaging winds, large hail, and perhaps an isolated tornado.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Another round of thunderstorms with heavy rain is possible
Thursday afternoon into Thursday evening which could lead to
additional flooding concerns. There is also a risk for severe
weather Thursday afternoon into Thursday evening.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to standard operating procedures.

MDZ008-NJZ021>023-302230-
Cecil-Cumberland-Atlantic-Cape May-
626 PM EDT Wed May 29 2019

...TORNADO WATCH 292 IN EFFECT UNTIL 8 PM EDT THIS EVENING...

This Hazardous Weather Outlook is for northeast Maryland and
southern New Jersey.

.DAY ONE...Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Tornado Watch.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Another round of thunderstorms with heavy rain is possible
Thursday afternoon into Thursday evening which could lead to
additional flooding concerns. There is also a risk for severe
weather Thursday afternoon into Thursday evening.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to standard operating procedures.

NJZ014-026-302230-
Eastern Monmouth-Coastal Ocean-
626 PM EDT Wed May 29 2019

...FLASH FLOOD WATCH IN EFFECT UNTIL 2 AM EDT THURSDAY...

This Hazardous Weather Outlook is for central New Jersey and
southern New Jersey.

.DAY ONE...Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Flash Flood Watch.

Strong to severe thunderstorms are possible this evening
resulting in damaging winds, large hail, and perhaps an isolated
tornado.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Another round of thunderstorms with heavy rain is possible
Thursday afternoon into Thursday evening which could lead to
additional flooding concerns. There is also a risk for severe
weather Thursday afternoon into Thursday evening.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to standard operating procedures.

NJZ024-025-302230-
Atlantic Coastal Cape May-Coastal Atlantic-
626 PM EDT Wed May 29 2019

...TORNADO WATCH 292 IN EFFECT UNTIL 8 PM EDT THIS EVENING...

This Hazardous Weather Outlook is for southern New Jersey.

.DAY ONE...Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Tornado Watch.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Another round of thunderstorms with heavy rain is possible
Thursday afternoon into Thursday evening which could lead to
additional flooding concerns. There is also a risk for severe
weather Thursday afternoon into Thursday evening.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to standard operating procedures.

DEZ004-302230-
Delaware Beaches-
626 PM EDT Wed May 29 2019

This Hazardous Weather Outlook is for southern Delaware.

.DAY ONE...Tonight.

Strong to severe thunderstorms are possible this evening
resulting in damaging winds, large hail, and perhaps an isolated
tornado.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Another round of thunderstorms with heavy rain is possible
Thursday afternoon into Thursday evening which could lead to
additional flooding concerns. There is also a risk for severe
weather Thursday afternoon into Thursday evening.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to standard operating procedures.

ANZ450-451-455-302230-
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 Cape Henlopen to Fenwick Island DE out 20 nm-
626 PM EDT Wed May 29 2019

This Hazardous Weather Outlook is for Atlantic coastal waters.

.DAY ONE...Tonight.

Strong thunderstorms are possible this evening resulting in wind
gusts in excess of 50 kts and large hail.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Strong thunderstorms are possible Thursday afternoon and evening
resulting in wind gusts in excess of 34 kts and large hail.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to standard operating procedures.

ANZ430-431-452>454-302230-
Delaware Bay waters north of East Point NJ to Slaughter Beach DE-
Delaware Bay waters south of East Point NJ to Slaughter Beach DE-
Coastal waters from Little Egg Inlet to Great Egg Inlet NJ out 20 nm-
Coastal waters from Great Egg Inlet to Cape May NJ out 20 nm-
Coastal waters from Cape May NJ to Cape Henlopen DE out 20 nm-
626 PM EDT Wed May 29 2019

...TORNADO WATCH 292 IN EFFECT UNTIL 8 PM EDT THIS EVENING...

This Hazardous Weather Outlook is for Atlantic coastal waters and
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.

   Tornado Watch.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Strong thunderstorms are possible Thursday afternoon and evening
resulting in wind gusts in excess of 34 kts and large hail.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to standard operating procedures.

In the hours before

Local storm report, May 29, 7:00 PM EDT, 25 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
700 PM EDT WED MAY 29 2019

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0645 PM     TSTM WND DMG     1 WSW HYDE PARK         39.74N 75.67W
05/29/2019                   NEW CASTLE         DE   TRAINED SPOTTER

            SEVERAL LARGE TREES DOWN IN THE SHERWOOD II
            DEVELOPMENT. TIME ESTIMATED FROM RADAR.

&&

SFJ
Local storm report, May 29, 7:02 PM EDT, 23 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
702 PM EDT WED MAY 29 2019

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0645 PM     TSTM WND DMG     1 WSW HYDE PARK         39.74N 75.67W
05/29/2019                   NEW CASTLE         DE   TRAINED SPOTTER

            SEVERAL LARGE TREES DOWN IN THE SHERWOOD II
            DEVELOPMENT. TIME ESTIMATED FROM RADAR.

0635 PM     TSTM WND DMG     1 ENE BERWYN            40.05N 75.43W
05/29/2019                   CHESTER            PA   DEPT OF HIGHWAYS

            TREE DOWN.

0622 PM     FLASH FLOOD      3 W LOWER SOUTHAMPTON T 40.17N 75.04W
05/29/2019                   BUCKS              PA   PUBLIC

            AT THE INTERSECTION OF STREET ROAD AND
            DAVISVILLE ROAD, THE ROAD IMPASSIBLE.
            MOTORISTS STUCK IN WATER.

0620 PM     FLASH FLOOD      FEASTERVILLE-TREVOSE    40.13N 74.97W
05/29/2019                   BUCKS              PA   TRAINED SPOTTER

            VIDEO RECEIVED OF FAST MOVING WATER FLOWING
            DOWN A ROADWAY.

0615 PM     TSTM WND GST     NORTHEAST PHILADELPHIA  40.08N 75.01W
05/29/2019  M59 MPH          PHILADELPHIA       PA   ASOS

0612 PM     HAIL             3 W LOWER SOUTHAMPTON T 40.17N 75.04W
05/29/2019  E0.70 INCH       BUCKS              PA   PUBLIC

0610 PM     HAIL             WILLOW GROVE            40.14N 75.12W
05/29/2019  M1.00 INCH       MONTGOMERY         PA   PUBLIC

0610 PM     HAIL             2 N LOWER MORELAND TWP  40.16N 75.06W
05/29/2019  E1.00 INCH       MONTGOMERY         PA   PUBLIC

0610 PM     TSTM WND GST     1 E NEWTOWN             40.23N 74.91W
05/29/2019  E70 MPH          BUCKS              PA   STORM CHASER

            TIME ESTIMATED FROM RADAR.

0605 PM     HAIL             BENSALEM                40.11N 74.93W
05/29/2019  E1.00 INCH       BUCKS              PA   PUBLIC

0605 PM     HAIL             WARMINSTER TWP          40.20N 75.09W
05/29/2019  M0.75 INCH       BUCKS              PA   PUBLIC

0602 PM     HAIL             1 WSW HORSHAM           40.17N 75.15W
05/29/2019  E0.70 INCH       MONTGOMERY         PA   PUBLIC

0600 PM     HAIL             2 S HORSHAM TWP         40.18N 75.18W
05/29/2019  M0.88 INCH       MONTGOMERY         PA   PUBLIC

0600 PM     HAIL             HATBORO                 40.17N 75.11W
05/29/2019  E0.88 INCH       MONTGOMERY         PA   PUBLIC

0550 PM     HAIL             RICHLAND TWP            40.49N 75.34W
05/29/2019  E1.00 INCH       BUCKS              PA   PUBLIC

0544 PM     TSTM WND DMG     PRINCETON               40.35N 74.66W
05/29/2019                   MERCER             NJ   DEPT OF HIGHWAYS

            DOWNED UTILITY POLE AND WIRES ON NJ-27 IN
            BOTH DIRECTIONS AT CR 571 AND WASHINGTON ST.
            ALL LANES CLOSED.

0540 PM     HAIL             1 N COLEBROOKDALE TWP   40.35N 75.66W
05/29/2019  E0.25 INCH       BERKS              PA   TRAINED SPOTTER

0538 PM     TSTM WND DMG     HARLEYSVILLE            40.28N 75.40W
05/29/2019                   MONTGOMERY         PA   PUBLIC

            MULTIPLE TREES REPORTED DOWN AT THE LANDIS
            PARKING LOT IN HARLEYSVILLE. TIME ESTIMATED
            FROM RADAR.

0535 PM     TSTM WND DMG     1 SSE NEWTOWN           40.21N 74.93W
05/29/2019                   BUCKS              PA   STORM CHASER

            MANY LARGE TREE BRANCHES (6 IN DIAMETER)
            BROKEN. TIME ESTIMATED FROM RADAR.

0535 PM     TSTM WND DMG     2 SSE MARLBOROUGH TWP   40.32N 75.44W
05/29/2019                   MONTGOMERY         PA   TRAINED SPOTTER

            PHOTO OF A LARGE TREE SNAPPED NEAR THE BASE.

0530 PM     TSTM WND DMG     2 WSW HOPEWELL          40.37N 74.80W
05/29/2019                   MERCER             NJ   DEPT OF HIGHWAYS

            DOWNED TREE AND WIRES ON NJ-31 IN BOTH
            DIRECTIONS NORTH OF CR-612. ALL LANES
            CLOSED. TIME ESTIMATED FROM RADAR.

0525 PM     TSTM WND DMG     2 SSE ZIONSVILLE        40.45N 75.49W
05/29/2019                   LEHIGH             PA   DEPT OF HIGHWAYS

            TREE DOWN ONTO WIRES. TIME ESTIMATED FROM
            RADAR.

0521 PM     FLOOD            HACKETTSTOWN            40.85N 74.83W
05/29/2019                   WARREN             NJ   TRAINED SPOTTER

            WATER COVERING A FEW ROADS IN HACKETTSTOWN.

0515 PM     HAIL             TELFORD                 40.32N 75.33W
05/29/2019  M0.75 INCH       MONTGOMERY         PA   TRAINED SPOTTER

0515 PM     HAIL             2 S FREEHOLD TWP        40.21N 74.29W
05/29/2019  E1.00 INCH       MONMOUTH           NJ   PUBLIC

0515 PM     TSTM WND DMG     DOYLESTOWN              40.31N 75.13W
05/29/2019                   BUCKS              PA   PUBLIC

            TREES AND POWER LINES REPORTED DOWN.

0456 PM     TSTM WND GST     1 N GREEN LANE          40.35N 75.47W
05/29/2019  E55 MPH          MONTGOMERY         PA   TRAINED SPOTTER

0456 PM     HAIL             GREEN LANE              40.34N 75.47W
05/29/2019  E1.00 INCH       MONTGOMERY         PA   PUBLIC

0455 PM     TSTM WND DMG     PERKIOMENVILLE          40.33N 75.48W
05/29/2019                   MONTGOMERY         PA   TRAINED SPOTTER

            SEVERAL TREES AND POWER LINES DOWN. TIME
            ESTIMATED FROM RADAR.

0450 PM     HAIL             BOYERTOWN               40.33N 75.64W
05/29/2019  E0.25 INCH       BERKS              PA   TRAINED SPOTTER

0446 PM     HAIL             1 SE YARDVILLE          40.17N 74.65W
05/29/2019  E0.88 INCH       MERCER             NJ   TRAINED SPOTTER

0442 PM     HAIL             YARDVILLE               40.18N 74.67W
05/29/2019  E1.25 INCH       MERCER             NJ   PUBLIC

0424 PM     HAIL             HOPEWELL                40.39N 74.76W
05/29/2019  E0.70 INCH       MERCER             NJ   TRAINED SPOTTER

0423 PM     HAIL             READING REGIONAL AIRPOR 40.37N 75.96W
05/29/2019  E0.25 INCH       BERKS              PA   TRAINED SPOTTER

0420 PM     HAIL             HOPEWELL                40.39N 74.76W
05/29/2019  E1.00 INCH       MERCER             NJ   PUBLIC

0420 PM     HAIL             EAST AMWELL             40.48N 74.79W
05/29/2019  M1.50 INCH       HUNTERDON          NJ   TRAINED SPOTTER

0403 PM     TSTM WND GST     EFFORT                  40.94N 75.44W
05/29/2019  E60 MPH          MONROE             PA   TRAINED SPOTTER

0403 PM     HAIL             EFFORT                  40.94N 75.44W
05/29/2019  E0.88 INCH       MONROE             PA   TRAINED SPOTTER

0355 PM     HAIL             QUAKERTOWN              40.44N 75.34W
05/29/2019  M1.50 INCH       BUCKS              PA   PUBLIC

0335 PM     HAIL             LANSFORD                40.83N 75.88W
05/29/2019  M0.50 INCH       CARBON             PA   TRAINED SPOTTER

0326 PM     HAIL             5 SW PLEASANT VALLEY    40.47N 75.36W
05/29/2019  M2.00 INCH       BUCKS              PA   TRAINED SPOTTER

            HAIL FELL FOR APPROX 10 MINUTES. WIDESPREAD
            QUARTER TO HALF DOLLAR SIZED HAIL WITH 2
            INCH HAIL INCLUDED.

0320 PM     HAIL             QUAKERTOWN              40.44N 75.34W
05/29/2019  M1.00 INCH       BUCKS              PA   PUBLIC

0315 PM     HAIL             EMMAUS                  40.54N 75.49W
05/29/2019  E1.50 INCH       LEHIGH             PA   TRAINED SPOTTER

0308 PM     HAIL             MACUNGIE                40.52N 75.56W
05/29/2019  M1.75 INCH       LEHIGH             PA   TRAINED SPOTTER

0306 PM     HAIL             TREXLERTOWN             40.55N 75.60W
05/29/2019  M0.75 INCH       LEHIGH             PA   TRAINED SPOTTER

0305 PM     HAIL             TREXLERTOWN             40.55N 75.60W
05/29/2019  M0.25 INCH       LEHIGH             PA   TRAINED SPOTTER

0300 PM     HAIL             BREINIGSVILLE           40.54N 75.63W
05/29/2019  M1.00 INCH       LEHIGH             PA   TRAINED SPOTTER

0300 PM     HAIL             EMMAUS                  40.53N 75.49W
05/29/2019  M1.25 INCH       LEHIGH             PA   TRAINED SPOTTER

0252 PM     HAIL             KUTZTOWN                40.52N 75.78W
05/29/2019  M0.75 INCH       BERKS              PA   PUBLIC

0250 PM     HAIL             MERTZTOWN               40.51N 75.67W
05/29/2019  M2.00 INCH       BERKS              PA   TRAINED SPOTTER

            HAIL UP TO 2 INCHES REPORTED IN MERTZTOWN.

0245 PM     HAIL             TREXLERTOWN             40.55N 75.60W
05/29/2019  M1.00 INCH       LEHIGH             PA   PUBLIC

&&
Local storm report, May 29, 7:05 PM EDT, 20 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
705 PM EDT WED MAY 29 2019

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0630 PM     HAIL             MOORESTOWN              39.97N 74.94W
05/29/2019  E0.70 INCH       BURLINGTON         NJ   PUBLIC

&&

JEO
Local storm report, May 29, 7:16 PM EDT, 9 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
716 PM EDT WED MAY 29 2019

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0657 PM     TSTM WND GST     NEW CASTLE COUNTY AIRPO 39.67N 75.61W
05/29/2019  M58 MPH          NEW CASTLE         DE   ASOS

&&

SFJ
Local storm report, May 29, 7:20 PM EDT, 5 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
720 PM EDT WED MAY 29 2019

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0711 PM     MARINE TSTM WIND 1 ESE TUCKERTON         39.60N 74.31W
05/29/2019  M40 MPH          OCEAN              NJ   MESONET

&&

SFJ
Local storm report, May 29, 7:22 PM EDT, 3 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
722 PM EDT WED MAY 29 2019

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0706 PM     MARINE TSTM WIND 7 W FORTESCUE           39.25N 75.31W
05/29/2019  M66 MPH          ANZ430             NJ   MESONET

&&

SFJ

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 28, 8:23 PM EDTTornado WarningPHIWarren37 min
May 28, 8:30 PM EDTTornado WarningPHIMorris, Sussex30 min
May 28, 8:34 PM EDTSpecial Marine WarningPHI41 min
May 28, 8:35 PM EDTSevere Thunderstorm WarningPHICape May, Cumberland55 min
May 28, 8:37 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Gloucester25 min
May 28, 8:44 PM EDTSevere Thunderstorm WarningPHIMorris, Somerset, Sussex, Warren61 min
May 28, 8:50 PM EDTAreal Flood AdvisoryPHICape May78 min
May 28, 8:59 PM EDTSpecial Marine WarningPHI61 min
May 28, 9:33 PM EDTAreal Flood AdvisoryPHIMorris, Somerset63 min
May 28, 9:47 PM EDTSpecial Marine WarningPHI43 min
May 28, 9:52 PM EDTSevere Thunderstorm WarningPHIMonmouth, Ocean23 min
May 28, 9:57 PM EDTSpecial Marine WarningPHI44 min
May 28, 10:03 PM EDTSpecial Weather StatementPHIAtlantic12 min
May 28, 10:28 PM EDTSpecial Marine WarningPHI58 min
May 28, 10:30 PM EDTSpecial Weather StatementPHIOcean45 min
May 28, 10:33 PM EDTSpecial Weather StatementPHIBurlington27 min
May 28, 10:34 PM EDTSpecial Weather StatementPHIMonmouth26 min
May 28, 11:00 PM EDTSpecial Weather StatementPHIBurlington, Ocean30 min
May 28, 11:07 PM EDTSevere Thunderstorm WarningPHIBurlington, Ocean38 min
May 28, 11:21 PM EDTSpecial Marine WarningPHI39 min
May 28, 11:35 PM EDTSevere Thunderstorm WarningPHIOcean25 min
May 28, 11:57 PM EDTSpecial Marine WarningPHI48 min
May 29, 3:18 AM EDTFlash Flood WatchPHIBurlington, Camden, Gloucester, Hunterdon, Mercer, Middlesex and 7 more18 hr
May 29, 3:10 PM EDTSevere Thunderstorm WarningPHIHunterdon, Warren65 min
May 29, 3:38 PM EDTTornado WarningPHIHunterdon37 min
May 29, 3:43 PM EDTFlash Flood WarningPHISussex, Warren4 hr
May 29, 3:43 PM EDTSevere Thunderstorm WarningPHISussex, Warren47 min
May 29, 4:04 PM EDTSevere Thunderstorm WarningPHIHunterdon, Mercer, Middlesex, Monmouth, Somerset41 min
May 29, 4:09 PM EDTSevere Thunderstorm WarningPHIWarren51 min
May 29, 4:13 PM EDTSevere Thunderstorm WarningPHIHunterdon, Warren47 min
May 29, 4:16 PM EDTSevere Thunderstorm WarningPHIWarren27 min
May 29, 4:27 PM EDTAreal Flood AdvisoryPHIHunterdon, Morris, Sussex, Warren51 min
May 29, 4:28 PM EDTSpecial Weather StatementPHIMorris32 min
May 29, 4:35 PM EDTSpecial Weather StatementPHISussex25 min
May 29, 4:37 PM EDTSevere Thunderstorm WarningPHIMercer, Middlesex, Monmouth, Ocean53 min
May 29, 4:53 PM EDTSevere Thunderstorm WarningPHIHunterdon, Mercer67 min
May 29, 5:01 PM EDTSpecial Weather StatementPHIHunterdon, Morris29 min
May 29, 5:03 PM EDTSpecial Marine WarningPHI57 min
May 29, 5:14 PM EDTFlash Flood WarningPHIHunterdon, Morris, Sussex, Warren3 hr
May 29, 5:23 PM EDTSevere Thunderstorm WarningPHIHunterdon, Morris, Sussex, Warren34 min
May 29, 5:27 PM EDTFlash Flood WarningPHIHunterdon, Mercer, Middlesex, Morris, Somerset4 hr
May 29, 5:33 PM EDTTornado WarningPHIBurlington, Mercer, Monmouth27 min
May 29, 5:39 PM EDTSevere Thunderstorm WarningPHIBurlington, Hunterdon, Mercer, Middlesex, Monmouth, Ocean and 1 more66 min
May 29, 5:45 PM EDTSpecial Weather StatementPHIHunterdon, Morris, Sussex, Warren30 min
May 29, 6:01 PM EDTSpecial Marine WarningPHI59 min
May 29, 6:02 PM EDTSpecial Weather StatementPHISalem28 min
May 29, 6:06 PM EDTFlash Flood WarningPHIBurlington, Mercer, Middlesex, Monmouth, Ocean4 hr
May 29, 6:06 PM EDTSevere Thunderstorm WarningPHIBurlington24 min
May 29, 6:29 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Gloucester, Ocean61 min
May 29, 6:35 PM EDTFlash Flood WarningPHIBurlington, Camden, Gloucester, Ocean3 hr
May 29, 6:35 PM EDTSpecial Marine WarningPHI55 min
May 29, 7:08 PM EDTSevere Thunderstorm WarningPHIAtlantic, Camden, Cumberland, Gloucester, Salem52 min
May 29, 7:12 PM EDTAreal Flood AdvisoryPHIAtlantic, Burlington, Camden, Cumberland, Gloucester, Ocean and 1 more3 hr
May 29, 7:15 PM EDTSpecial Marine WarningPHI60 min
May 29, 7:33 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Cape May, Cumberland, Ocean42 min
May 29, 7:35 PM EDTSpecial Marine WarningPHI85 min
May 28, 9:17 PM EDTRiver Flood WarningPHIChester101 min
May 29, 2:19 PM EDTSpecial Weather StatementPHILehigh41 min
May 29, 2:26 PM EDTSpecial Weather StatementPHIMontgomery34 min
May 29, 2:30 PM EDTSevere Thunderstorm WarningPHIBerks, Bucks, Lehigh, Montgomery, Northampton60 min
May 29, 2:48 PM EDTSpecial Weather StatementPHIMonroe27 min
May 29, 2:59 PM EDTSevere Thunderstorm WarningPHICarbon, Monroe46 min
May 29, 3:17 PM EDTTornado WarningPHIBucks, Lehigh28 min
May 29, 3:29 PM EDTSevere Thunderstorm WarningPHICarbon, Monroe, Northampton46 min
May 29, 3:29 PM EDTSevere Thunderstorm WarningPHICarbon, Lehigh, Monroe, Northampton46 min
May 29, 3:43 PM EDTSevere Thunderstorm WarningPHIBerks, Lehigh62 min
May 29, 4:18 PM EDTSevere Thunderstorm WarningPHIBerks, Bucks, Chester, Lehigh, Montgomery, Northampton42 min
May 29, 4:42 PM EDTSevere Thunderstorm WarningPHICarbon, Lehigh, Monroe, Northampton48 min
May 29, 4:50 PM EDTSevere Thunderstorm WarningPHIBerks, Carbon, Chester, Lehigh, Montgomery, Northampton40 min
May 29, 4:55 PM EDTFlash Flood WarningPHIBerks, Bucks, Chester, Lehigh, Montgomery4 hr
May 29, 5:08 PM EDTTornado WarningPHIBucks, Montgomery27 min
May 29, 5:49 PM EDTSevere Thunderstorm WarningPHIBerks, Chester, Delaware, Montgomery, Philadelphia41 min
May 29, 6:22 PM EDTSevere Thunderstorm WarningPHIChester, Delaware, Montgomery, Philadelphia53 min
May 29, 6:11 PM EDTSevere Thunderstorm WarningPHIKent, New Castle34 min
May 29, 6:30 PM EDTSpecial Weather StatementPHIKent30 min
May 29, 6:58 PM EDTSpecial Weather StatementPHIKent32 min

Nearby

Special Marine Warnings in New Jersey, 2019Every special marine warning in 2019

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.