Alert archive / New Jersey / Special Weather Statements in 2021

Special Weather Statement, NWS Philadelphia/Mount Holly

May 8, 2021Middlesex County, Monmouth County, Morris County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at May 8, 2021, 2:42 PM EDT for Middlesex County, Monmouth County, Morris County, New Jersey. It was in force for 48 min. 4 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
May 8, 2021, 2:42 PM EDT (18:42 UTC)
Expired
May 8, 2021, 3:30 PM EDT
In force
48 min
Issued by
NWS Philadelphia/Mount Holly

Counties Middlesex County, NJ, Monmouth County, NJ, Morris County, NJ

The radar

The Philadelphia radar (KDIX), 66 km from the middle of the area, began a volume at 18:41 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

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

What was reported inside it

TimeReportWhereRemark
May 8, 2:54 PM EDTHAIL 0.25Ironia, NJ
May 8, 3:25 PM EDTHAIL 0.25South Plainfield, NJ
May 8, 3:32 PM EDTHAIL 0.5Millington, NJREPORT FROM MPING: HALF-INCH (0.50 IN.).
May 8, 3:40 PM EDTHAIL 0.25Succasunna, NJSOCIAL MEDIA.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 6.7 hours before the alert went out and 123 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, Brookhaven, NY at 12:00Z on 2021-05-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Brookhaven, NY at 12:00Z on 2021-05-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -31 square meters per square second.1939Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1728 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
-31 m²/s²
0-3 km storm-relative helicity
0 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

898 
WWUS81 KPHI 081842
SPSPHI

Special Weather Statement
National Weather Service Mount Holly NJ
242 PM EDT Sat May 8 2021

NJZ001-007-008-010-012>014-020-026-081930-
Morris-Eastern Monmouth-Sussex-Coastal Ocean-Ocean-Western
Monmouth-Somerset-Middlesex-Warren-
242 PM EDT Sat May 8 2021

...A LINE OF SHOWERS WILL AFFECT NORTHEASTERN OCEAN...MORRIS...SOUTH
CENTRAL SUSSEX...EAST CENTRAL WARREN...NORTHEASTERN SOMERSET...
MONMOUTH AND EASTERN MIDDLESEX COUNTIES...

At 241 PM EDT, radar indicated showers were located along a line
extending from Succasunna-Kenvil to 6 miles east of Mantoloking.
Movement was southeast at 15 mph.

Pea size hail and some funnel clouds are possible with these showers.

Locations impacted include...
Toms River, New Brunswick, Perth Amboy, Long Branch, Morristown,
Asbury Park, Somerset, Edison, Lakewood, Middletown, Old Bridge,
Howell, East Brunswick, Sayreville, Marlboro, Carteret, Dover, Tinton
Falls, Holmdel and Madison.

This includes the following highways...
 New Jersey Turnpike between exits 10 and 13.
 Interstate 78 in New Jersey between mile markers 33 and 42.
 Interstate 80 in New Jersey between mile markers 19 and 47.
 Interstate 195 in New Jersey between mile markers 27 and 34.
 Interstate 287 in New Jersey between mile markers 0 and 13, and
between mile markers 24 and 46.
 Garden State Parkway between mile markers 91 and 134.

If outdoors, consider seeking shelter inside a building.

LAT...LON 4032 7396 3989 7397 3991 7404 4094 7485
      4105 7447 4084 7433 4079 7437 4074 7437
      4067 7446 4065 7440 4060 7446 4060 7421
      4056 7421 4055 7425 4050 7428 4047 7427
      4044 7420 4046 7418 4045 7413 4042 7404
TIME...MOT...LOC 1841Z 309DEG 12KT 4086 7464 4004 7393 

$$

SFJ

The office that day

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

IssuedProductOfficeCountiesLasted
May 8, 11:22 AM EDTSpecial Weather StatementPHIMonmouth38 min
May 8, 1:12 PM EDTSpecial Weather StatementPHIMonmouth33 min
May 8, 1:15 PM EDTAreal Flood AdvisoryPHIMiddlesex, Monmouth58 min
May 8, 1:45 PM EDTSpecial Weather StatementPHIOcean15 min
May 8, 2:01 PM EDTSpecial Weather StatementPHIOcean14 min
May 8, 2:34 PM EDTSmall Craft AdvisoryPHI7 hr
May 8, 2:47 PM EDTSpecial Marine WarningPHI31 min
May 8, 3:04 PM EDTSpecial Weather StatementPHISalem26 min
May 8, 3:23 PM EDTSpecial Weather StatementPHISalem37 min
May 8, 3:43 PM EDTSpecial Marine WarningPHI62 min
May 8, 3:46 PM EDTSpecial Weather StatementPHISomerset29 min
May 8, 3:53 PM EDTSpecial Marine WarningPHI56 min
May 8, 4:01 PM EDTSpecial Marine WarningPHI48 min
May 8, 4:16 PM EDTSpecial Weather StatementPHICumberland29 min
May 8, 4:21 PM EDTSpecial Weather StatementPHIHunterdon, Middlesex, Somerset24 min
May 8, 4:28 PM EDTSpecial Marine WarningPHI62 min
May 8, 4:46 PM EDTSpecial Weather StatementPHIHunterdon, Mercer, Middlesex, Somerset29 min
May 8, 5:22 PM EDTSpecial Marine WarningPHI53 min
May 8, 3:39 PM EDTSpecial Weather StatementPHIKent36 min
May 8, 3:54 PM EDTSpecial Weather StatementPHISussex36 min
May 8, 4:15 PM EDTSpecial Weather StatementPHISussex30 min
May 8, 4:33 PM EDTSpecial Weather StatementPHISussex27 min
May 8, 5:56 PM EDTSpecial Weather StatementPHIKent34 min
May 8, 3:21 PM EDTSpecial Weather StatementPHIQueen Anne's24 min
May 8, 3:50 PM EDTSpecial Weather StatementPHICaroline25 min
May 8, 4:06 PM EDTSpecial Weather StatementPHICaroline24 min
May 8, 6:47 PM EDTSpecial Weather StatementPHICaroline28 min

Nearby

Special Weather Statements in New Jersey, 2021Every special weather statement in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.