Alert archive / New Jersey / Special Weather Statements in 2018

Special Weather Statement, NWS Philadelphia/Mount Holly

September 18, 2018Ocean County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at Sep 18, 2018, 3:47 PM EDT for Ocean County, New Jersey. It was in force for 28 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: Sep 18, 2018, 3:47 PM EDT (19:47 UTC)
Expired: Sep 18, 2018, 4:15 PM EDT
In force: 28 min
Issued by: NWS Philadelphia/Mount Holly

County Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 33 km from the middle of the area, began a volume at 19:48 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, 7.8 hours before the alert went out and 174 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: 1035 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 495 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 220 m²/s²
0-3 km storm-relative helicity: 238 m²/s²
Significant tornado parameter: 0.8
Supercell composite: 4.3

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 weather statement went out at Sep 18, 3:42 PM EDT, 5 minutes earlier.

Area forecast discussion, Sep 18, 3:42 PM EDT, 5 minutes before

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      <h1 id="headline">This service is currently unavailable.</h1>
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Hazardous weather outlook, Sep 18, 3:32 PM EDT, 15 minutes before

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In the hours before

Local storm report, Sep 18, 1:10 PM EDT, 2 hours 37 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
110 PM EDT TUE SEP 18 2018

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

1248 PM     FLOOD            1 NNE EAST NORRITON TWP 40.17N  75.33W
09/18/2018                   MONTGOMERY         PA   DEPT OF HIGHWAYS

            WHITEHALL ROAD CLOSED IN BOTH DIRECTIONS BETWEEN
            TOWNSHIP LINE RAOD AND ROUTE 73 DUE TO FLOODING.

&&

EVENT NUMBER PHI1801589

STAARMANN

Special weather statement, Sep 18, 1:20 PM EDT, 2 hours 27 minutes before

Special Weather Statement
National Weather Service Mount Holly NJ
120 PM EDT TUE SEP 18 2018

NJZ013-019-020-181745-
Northwestern Burlington-Ocean-Western Monmouth-
120 PM EDT TUE SEP 18 2018

...A STRONG THUNDERSTORM WILL AFFECT NORTHWESTERN OCEAN...
NORTHEASTERN BURLINGTON AND SOUTHWESTERN MONMOUTH COUNTIES...

At 119 PM EDT, a strong thunderstorm was located over Wrightstown, or
14 miles southeast of Trenton, moving east at 20 mph.

Winds up to 40 mph and torrential rainfall are possible with this
storm.

Locations impacted include...
Jackson, Lakehurst, Wrightstown, Six Flags Theme Park, Cedar Glen
West, Jacksons Mills, Georgetown, Cassville, Vista Center, Woodruff,
Holiday City-Berkeley, Imlaystown, Cream Ridge, Pine Ridge At
Crestwood, Browns Mills, Leisure Village West-Pine Lake Park, Cedar
Glen Lakes, Holiday City South, Holiday City and New Egypt.

Torrential rainfall may cause localized flooding. Do not drive your
vehicle through flooded roadways.

LAT...LON 3997 7466 4012 7470 4014 7461 4014 7459
      4015 7459 4022 7430 3995 7425
TIME...MOT...LOC 1719Z 260DEG 18KT 4005 7459

SFJ

Local storm report, Sep 18, 1:39 PM EDT, 2 hours 8 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
139 PM EDT TUE SEP 18 2018

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

0120 PM     FLOOD            1 W CARTERET            40.58N  74.24W
09/18/2018                   MIDDLESEX          NJ   DEPT OF HIGHWAYS

            FLOODING ON NJ TURNPIKE OUTER ROADWAY NORTH BOUND.
            SOUTH OF INTERCHANGE 12 - CATERET-RAHWAY LEFT SHOULDER.

&&

EVENT NUMBER PHI1801590

MPS

Local storm report, Sep 18, 2:00 PM EDT, 1 hour 47 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
200 PM EDT TUE SEP 18 2018

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

0150 PM     FLOOD            1 ESE ROXBOROUGH        39.99N  75.20W
09/18/2018                   PHILADELPHIA       PA   TRAINED SPOTTER

            FLOODING REPORTED ON I-76 WITH 6 INCHES OR MORE OF
            STANDING WATER IN THE LEFT LANE IN BOTH DIRECTIONS
            BETWEEN MILE MARKERS 336-345.

&&

EVENT NUMBER PHI1801591

STAARMANN

Special weather statement, Sep 18, 2:55 PM EDT, 52 minutes before

Special Weather Statement
National Weather Service Mount Holly NJ
255 PM EDT TUE SEP 18 2018

NJZ020-026-181930-
Coastal Ocean-Ocean-
255 PM EDT TUE SEP 18 2018

...A STRONG THUNDERSTORM WILL AFFECT EAST CENTRAL OCEAN COUNTY...

At 255 PM EDT, a strong thunderstorm was located near Seaside
Heights, or 8 miles southeast of Toms River, moving east at 15 mph.

Winds up to 40 mph are possible with this storm.

Locations impacted include...
Beachwood, Seaside Heights, Dover Beaches South and Island Heights.

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

LAT...LON 3980 7409 3992 7409 3990 7414 3986 7413
      3982 7416 3981 7415 3981 7417 3991 7422
      3994 7415 3992 7408 3994 7409 3997 7407
TIME...MOT...LOC 1855Z 253DEG 12KT 3985 7410

SFJ

Special weather statement, Sep 18, 3:47 PM EDT, 0 minutes before

Special Weather Statement
National Weather Service Mount Holly NJ
347 PM EDT TUE SEP 18 2018

NJZ020-026-027-182015-
Coastal Ocean-Ocean-Southeastern Burlington-
347 PM EDT TUE SEP 18 2018

...A STRONG THUNDERSTORM WILL AFFECT SOUTHEASTERN OCEAN AND EASTERN
BURLINGTON COUNTIES...

At 346 PM EDT, a strong thunderstorm was located near Bass River
State Forest, or 21 miles north of Atlantic City, moving east at 25
mph.

Winds up to 40 mph are possible with this storm.

Locations impacted include...
Barnegat, Tuckerton, Surf City, Warren Grove, Bass River State
Forest, Beach Haven West, Mystic Island, Manahawkin, Ocean Acres and
Waretown.

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

LAT...LON 3979 7410 3981 7417 3977 7410 3978 7412
      3979 7418 3974 7420 3976 7410 3975 7410
      3969 7419 3969 7414 3956 7423 3956 7424
      3958 7423 3961 7428 3956 7432 3956 7428
      3954 7440 3955 7441 3972 7447 3985 7409
TIME...MOT...LOC 1946Z 253DEG 21KT 3966 7435

SFJ

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 18, 4:13 AM EDT	Special Weather Statement	PHI	Camden, Gloucester, Salem	92 min
Sep 18, 9:27 AM EDT	Flash Flood Watch	PHI	Burlington, Camden, Gloucester, Hunterdon, Mercer, Middlesex and 5 more	6 hr
Sep 18, 10:59 AM EDT	Areal Flood Advisory	PHI	Hunterdon, Mercer, Middlesex, Monmouth, Somerset	4 hr
Sep 18, 12:01 PM EDT	Flash Flood Warning	PHI	Mercer, Middlesex, Somerset	4 hr
Sep 18, 12:16 PM EDT	Special Weather Statement	PHI	Middlesex	29 min
Sep 18, 12:36 PM EDT	Areal Flood Advisory	PHI	Burlington, Camden, Gloucester, Mercer, Middlesex, Monmouth and 2 more	3 hr
Sep 18, 1:20 PM EDT	Special Weather Statement	PHI	Burlington	25 min
Sep 18, 1:35 PM EDT	Special Marine Warning	PHI		55 min
Sep 18, 2:51 PM EDT	Special Marine Warning	PHI		38 min
Sep 18, 2:55 PM EDT	Special Weather Statement	PHI	Ocean	35 min
Sep 18, 3:02 PM EDT	Areal Flood Advisory	PHI	Burlington, Ocean	3 hr
Sep 18, 3:12 PM EDT	Areal Flood Advisory	PHI	Atlantic, Burlington, Camden, Ocean	47 min
Sep 18, 4:12 PM EDT	Special Weather Statement	PHI	Atlantic	33 min
Sep 18, 4:47 PM EDT	Areal Flood Advisory	PHI	Atlantic, Cape May, Cumberland, Ocean	2 hr
Sep 18, 5:17 PM EDT	Flash Flood Warning	PHI	Atlantic	113 min
Sep 18, 1:13 AM EDT	Special Weather Statement	PHI	Chester	62 min
Sep 18, 2:09 AM EDT	Special Weather Statement	PHI	Chester, Delaware, Montgomery, Philadelphia	81 min
Sep 18, 2:38 AM EDT	Areal Flood Advisory	PHI	Chester, Montgomery	4 hr
Sep 18, 6:27 AM EDT	Areal Flood Advisory	PHI	Carbon, Monroe	4 hr
Sep 18, 10:57 AM EDT	Areal Flood Advisory	PHI	Bucks, Chester, Delaware, Montgomery, Philadelphia	3 hr
Sep 18, 5:26 PM EDT	Special Weather Statement	PHI	Sussex	34 min

Nearby

Special Weather Statements in New Jersey, 2018 Every special weather statement in 2018

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.