Alert archive / New Jersey / Special Weather Statements in 2023

Special Weather Statement, NWS Philadelphia/Mount Holly

May 5, 2023Camden County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at May 5, 2023, 5:26 PM EDT for Camden County, New Jersey. It was in force for 49 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 5, 2023, 5:26 PM EDT (21:26 UTC)
Expired
May 5, 2023, 6:15 PM EDT
In force
49 min
Issued by
NWS Philadelphia/Mount Holly
Hail
0.25 in
Wind
40

County Camden County, NJ

The radar

The Philadelphia radar (KDIX), 56 km from the middle of the area, began a volume at 21:26 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, 9.4 hours before the alert went out and 221 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 2023-05-05Temperature 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 2023-05-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -39 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
905 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
-39 m²/s²
0-3 km storm-relative helicity
-36 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 May 5, 5:10 PM EDT, 16 minutes earlier.

Area forecast discussion, May 5, 5:10 PM EDT, 16 minutes before
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Hazardous weather outlook, May 5, 4:50 PM EDT, 36 minutes before
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In the hours before

Special weather statement, May 5, 4:01 PM EDT, 1 hour 25 minutes before
Special Weather Statement
National Weather Service Mount Holly NJ
401 PM EDT Fri May 5 2023

NJZ018-019-027-052045-
Northwestern Burlington NJ-Camden NJ-Southeastern Burlington NJ-
401 PM EDT Fri May 5 2023

...A strong thunderstorm will impact portions of southeastern Camden
and west central Burlington Counties through 445 PM EDT...

At 400 PM EDT, Doppler radar was tracking a strong thunderstorm over
Medford, moving southwest at 10 mph.

HAZARD...Wind gusts up to 40 mph and pea 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...
Medford, Berlin, Chesilhurst, Atco, Marlton Lakes, Pine Hill, Medford
Lakes and Pine Valley.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3968 7480 3967 7480 3975 7500 3994 7485
      3988 7470
TIME...MOT...LOC 2000Z 024DEG 10KT 3987 7481

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH

Iovino
Local storm report, May 5, 4:19 PM EDT, 1 hour 7 minutes before
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Local storm report, May 5, 4:26 PM EDT, 1 hour before
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Special weather statement, May 5, 4:50 PM EDT, 36 minutes before
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Local storm report, May 5, 5:22 PM EDT, 4 minutes before
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Special weather statement, May 5, 5:26 PM EDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
May 5, 5:05 AM EDTCoastal Flood AdvisoryPHIBurlington, Camden23 hr
May 5, 3:25 PM EDTSpecial Weather StatementPHIBurlington50 min
May 5, 4:01 PM EDTSpecial Weather StatementPHICamden44 min
May 5, 4:50 PM EDTSpecial Weather StatementPHICamden40 min

Nearby

Special Weather Statements in New Jersey, 2023Every special weather statement in 2023

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.