Alert archive / New Jersey / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 205, NWS Philadelphia/Mount Holly

July 6, 2019Hunterdon County, Somerset County, New Jersey; Bucks County, Pennsylvania

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 6, 2019, 4:28 PM EDT for Hunterdon County, Somerset County, New Jersey; Bucks County, Pennsylvania. It was in force for 21 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 6, 2019, 4:28 PM EDT (20:28 UTC)
Expired: Jul 6, 2019, 4:49 PM EDT
In force: 21 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 70.0 mph

Counties Hunterdon County, NJ, Somerset County, NJ, Bucks County, PA

The radar

The Philadelphia radar (KDIX), 72 km from the middle of the area, began a volume at 20:30 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 8.5 hours before the alert went out and 175 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1195 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 542 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 50 m²/s²
0-3 km storm-relative helicity: 49 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.4

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at Jul 6, 4:08 PM EDT, 20 minutes earlier.

Area forecast discussion, Jul 6, 4:08 PM EDT, 20 minutes before

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Hazardous weather outlook, Jul 6, 4:01 PM EDT, 27 minutes before

Hazardous Weather Outlook
National Weather Service Mount Holly NJ
401 PM EDT Sat Jul 6 2019

DEZ002-003-MDZ008-012-015-019-020-NJZ001-007>010-012-013-016-020>023-
027-PAZ054-055-060>062-101-103-105-072015-
Kent-Inland Sussex-Cecil-Kent MD-Queen Annes-Talbot-Caroline-Sussex-
Warren-Morris-Hunterdon-Somerset-Middlesex-Western Monmouth-Salem-
Ocean-Cumberland-Atlantic-Cape May-Southeastern Burlington-Carbon-
Monroe-Berks-Lehigh-Northampton-Western Chester-Western Montgomery-
Upper Bucks-
401 PM EDT Sat Jul 6 2019

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

.DAY ONE...This afternoon and tonight.

Thunderstorms today may produce locally heavy rainfall and gusty
winds.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

There is a low probability for widespread hazardous weather.

.SPOTTER INFORMATION STATEMENT...

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

DEZ001-NJZ015-017>019-PAZ070-071-102-104-106-072015-
New Castle-Mercer-Gloucester-Camden-Northwestern Burlington-Delaware-
Philadelphia-Eastern Chester-Eastern Montgomery-Lower Bucks-
401 PM EDT Sat Jul 6 2019

...EXCESSIVE HEAT WARNING IN EFFECT UNTIL 7 PM EDT THIS EVENING...

This Hazardous Weather Outlook is for northern Delaware, central
New Jersey, 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.

   Excessive Heat Warning.

Thunderstorms today may produce locally heavy rainfall and gusty
winds.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

There is a low probability for widespread hazardous weather.

.SPOTTER INFORMATION STATEMENT...

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

DEZ004-NJZ014-024>026-072015-
Delaware Beaches-Eastern Monmouth-Atlantic Coastal Cape May-
Coastal Atlantic-Coastal Ocean-
401 PM EDT Sat Jul 6 2019

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

.DAY ONE...This afternoon and tonight.

Thunderstorms may produce locally heavy rainfall and gusty winds

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

There will be a moderate risk of dangerous rip currents on Sunday.

.SPOTTER INFORMATION STATEMENT...

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

ANZ430-431-450>455-072015-
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-
401 PM EDT Sat Jul 6 2019

This Hazardous Weather Outlook is for Atlantic coastal waters and
Delaware Bay Waters.

.DAY ONE...This afternoon and tonight.

Thunderstorms may produce gusty winds on the water.

.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.

In the hours before

Special weather statement, Jul 6, 2:13 PM EDT, 2 hours 15 minutes before

Special Weather Statement
National Weather Service Mount Holly NJ
213 PM EDT Sat Jul 6 2019

NJZ021>024-061900-
Cumberland-Atlantic-Atlantic Coastal Cape May-Cape May-
213 PM EDT Sat Jul 6 2019

...A STRONG THUNDERSTORM WILL AFFECT SOUTHWESTERN ATLANTIC...
CUMBERLAND AND NORTHWESTERN CAPE MAY COUNTIES...

At 213 PM EDT, a strong thunderstorm was located over Dividing Creek,
or 7 miles southwest of Millville, moving east at 25 mph.

Wind gusts up to 45 mph are possible with this storm.

Locations impacted include...
Vineland, Millville, Bridgeton, Cumberland, Buena, Laurel Lake,
Weymouth, Woodbine, Estell Manor, Corbin City, Newport, Leesburg,
Dorothy, Bricksboro, Eldora, Mauricetown, Belleplain Forest, Mays
Landing, English Creek and Port Norris.

Torrential rainfall is also occurring with this storm, and may cause
localized flooding. Do not drive your vehicle through flooded
roadways.

LAT...LON 3927 7463 3919 7500 3922 7505 3921 7510
      3918 7515 3921 7517 3924 7517 3928 7525
      3933 7528 3940 7529 3958 7476 3932 7465
      3933 7468 3931 7465 3929 7465
TIME...MOT...LOC 1813Z 250DEG 21KT 3929 7512

Fitzsimmons

Local storm report, Jul 6, 2:42 PM EDT, 1 hour 46 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
242 PM EDT SAT JUL 6 2019

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

0206 PM     FUNNEL CLOUD     1 NNE FELLOWSHIP        39.94N 74.96W
07/06/2019                   BURLINGTON         NJ   PUBLIC

            VIDEO OF A FUNNEL CLOUD CROSSING I-295 NEAR
            EXIT 36.

&&

STAARMANN

Local storm report, Jul 6, 2:44 PM EDT, 1 hour 44 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
244 PM EDT SAT JUL 6 2019

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

0207 PM     TSTM WND DMG     1 NE FELLOWSHIP         39.94N 74.96W
07/06/2019                   BURLINGTON         NJ   FIRE DEPT/RESCUE

            VEHICLE OVERTURNED AT GAITHER DR. AND
            FELLOWSHIP RD. NATURAL GAS LEAKS AND SOME
            BUILDING DAMAGE. TIME ESTIMATED FROM RADAR.

&&

TCD

Local storm report, Jul 6, 3:08 PM EDT, 1 hour 20 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
308 PM EDT SAT JUL 6 2019

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

0227 PM     FUNNEL CLOUD     OCEAN ACRES             39.74N 74.28W
07/06/2019                   OCEAN              NJ   TRAINED SPOTTER

            OCEAN ACRES SECTION OF STAFFORD TOWNSHIP
            OCEAN COUNTY, MULTIPLE WATER RESCUES DUE
            OCCUPIED VEHICLES CAUGHT IN DEEP FLOOD
            WATERS.

&&

STAARMANN

Local storm report, Jul 6, 3:14 PM EDT, 1 hour 14 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
314 PM EDT SAT JUL 6 2019

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

0216 PM     FLOOD            METUCHEN                40.54N 74.36W
07/06/2019                   MIDDLESEX          NJ   TRAINED SPOTTER

            ROADWAY FLOODING HAS CLOSED SEVERAL
            UNDERPASSES ON MAIN ST.

&&

TCD

Local storm report, Jul 6, 4:17 PM EDT, 11 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
417 PM EDT SAT JUL 6 2019

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

0227 PM     FLASH FLOOD      OCEAN ACRES             39.74N 74.28W
07/06/2019                   OCEAN              NJ   TRAINED SPOTTER

            CORRECTS PREVIOUS REPORT FROM OCEAN ACRES
            WHICH IS A FLASH FLOOD REPORT NOT A FUNNEL
            CLOUD REPORT. OCEAN ACRES SECTION OF
            STAFFORD TOWNSHIP OCEAN COUNTY, MULTIPLE
            WATER RESCUES DUE OCCUPIED VEHICLES CAUGHT
            IN DEEP FLOOD WATERS (5.34 INCHES OF RAIN
            MEASURED BY TRAINED SPOTTER IN JUST OVER 2
            HOURS).

&&

NC

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 6, 1:28 PM EDT	Areal Flood Advisory	PHI	Ocean	3 hr
Jul 6, 1:46 PM EDT	Flash Flood Warning	PHI	Ocean	4 hr
Jul 6, 1:52 PM EDT	Special Marine Warning	PHI		53 min
Jul 6, 2:05 PM EDT	Special Weather Statement	PHI	Burlington	25 min
Jul 6, 2:06 PM EDT	Special Weather Statement	PHI	Monmouth	24 min
Jul 6, 2:07 PM EDT	Special Marine Warning	PHI		53 min
Jul 6, 2:10 PM EDT	Special Weather Statement	PHI	Ocean	35 min
Jul 6, 2:13 PM EDT	Special Weather Statement	PHI	Cumberland	47 min
Jul 6, 2:17 PM EDT	Areal Flood Advisory	PHI	Burlington, Camden	2 hr
Jul 6, 2:22 PM EDT	Special Marine Warning	PHI		53 min
Jul 6, 2:25 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Camden, Ocean	28 min
Jul 6, 2:26 PM EDT	Severe Thunderstorm Warning	PHI	Monmouth	34 min
Jul 6, 2:28 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Ocean	47 min
Jul 6, 2:29 PM EDT	Special Marine Warning	PHI		61 min
Jul 6, 2:40 PM EDT	Special Marine Warning	PHI		31 min
Jul 6, 2:58 PM EDT	Special Marine Warning	PHI		62 min
Jul 6, 3:04 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Cape May, Ocean	26 min
Jul 6, 3:22 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Ocean	37 min
Jul 6, 3:43 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Warren	47 min
Jul 6, 3:55 PM EDT	Tornado Warning	PHI	Camden, Gloucester, Salem	50 min
Jul 6, 4:08 PM EDT	Tornado Warning	PHI	Hunterdon	25 min
Jul 6, 4:39 PM EDT	Severe Thunderstorm Warning	PHI	Camden, Gloucester, Salem	32 min
Jul 6, 4:41 PM EDT	Severe Thunderstorm Warning	PHI	Morris, Sussex, Warren	49 min
Jul 6, 4:45 PM EDT	Areal Flood Advisory	PHI	Atlantic, Burlington, Camden, Gloucester	4 hr
Jul 6, 4:49 PM EDT	Areal Flood Advisory	PHI	Hunterdon, Morris, Somerset, Sussex, Warren	4 hr
Jul 6, 4:54 PM EDT	Areal Flood Advisory	PHI	Burlington, Hunterdon, Mercer, Somerset, Warren	4 hr
Jul 6, 5:04 PM EDT	Severe Thunderstorm Warning	PHI	Gloucester, Salem	17 min
Jul 6, 5:25 PM EDT	Severe Thunderstorm Warning	PHI	Mercer	50 min
Jul 6, 5:32 PM EDT	Flash Flood Warning	PHI	Warren	4 hr
Jul 6, 5:44 PM EDT	Areal Flood Advisory	PHI	Sussex	4 hr
Jul 6, 5:49 PM EDT	Areal Flood Advisory	PHI	Salem	4 hr
Jul 6, 6:13 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Mercer	15 min
Jul 6, 6:22 PM EDT	Severe Thunderstorm Warning	PHI	Sussex, Warren	38 min
Jul 6, 6:42 PM EDT	Severe Thunderstorm Warning	PHI	Gloucester	30 min
Jul 6, 6:53 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Morris, Sussex, Warren	67 min
Jul 6, 7:33 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Camden, Cumberland, Gloucester, Salem	42 min
Jul 6, 7:45 PM EDT	Special Weather Statement	PHI	Hunterdon, Somerset	45 min
Jul 6, 5:36 PM EDT	Tornado Warning	PHI	Bucks	24 min
Jul 6, 6:49 PM EDT	Flash Flood Warning	PHI	Monroe, Northampton	3 hr
Jul 6, 6:00 PM EDT	Severe Thunderstorm Warning	PHI	Kent, Sussex	29 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2019 Severe Thunderstorm Warnings in Pennsylvania, 2019 Every severe thunderstorm 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.