Alert archive / New Jersey / Special Weather Statements in 2010

Special Weather Statement, NWS Philadelphia/Mount Holly

September 28, 20105 counties in New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at Sep 28, 2010, 3:51 PM EDT for 5 counties in New Jersey. It was in force for 84 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 28, 2010, 3:51 PM EDT (19:51 UTC)
Expired: Sep 28, 2010, 5:15 PM EDT
In force: 84 min
Issued by: NWS Philadelphia/Mount Holly

Counties Hunterdon County, NJ, Morris County, NJ, Somerset County, NJ, Sussex County, NJ, Warren County, NJ

The radar

The Philadelphia radar (KDIX), 108 km from the middle of the area, began a volume at 19:51 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

Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 7.9 hours before the alert went out and 207 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: 246 J/kg
Mixed-layer CIN: -26 J/kg
Mixed-layer LCL: 729 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 288 m²/s²
0-3 km storm-relative helicity: 308 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 1.6

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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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 28, 3:29 PM EDT, 22 minutes earlier.

Area forecast discussion, Sep 28, 3:29 PM EDT, 22 minutes before

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Hazardous weather outlook, Sep 28, 3:41 PM EDT, 10 minutes before

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In the hours before

Special weather statement, Sep 28, 10:41 AM EDT, 5 hours 10 minutes before

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Local storm report, Sep 28, 11:55 AM EDT, 3 hours 56 minutes before

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Special weather statement, Sep 28, 12:06 PM EDT, 3 hours 45 minutes before

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Special weather statement, Sep 28, 1:23 PM EDT, 2 hours 28 minutes before

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Local storm report, Sep 28, 1:49 PM EDT, 2 hours 2 minutes before

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Special weather statement, Sep 28, 3:51 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.

Issued	Product	Office	Counties	Lasted
Sep 28, 12:45 AM EDT	Special Weather Statement	PHI	Mercer	30 min
Sep 28, 7:39 AM EDT	Special Weather Statement	PHI	Hunterdon, Somerset, Warren	66 min
Sep 28, 12:06 PM EDT	Special Weather Statement	PHI	Warren	54 min
Sep 28, 5:05 PM EDT	Special Weather Statement	PHI	Morris, Sussex	40 min
Sep 28, 8:35 AM EDT	Special Weather Statement	PHI	Berks	55 min
Sep 28, 9:26 AM EDT	Special Weather Statement	PHI	Chester	64 min
Sep 28, 9:29 AM EDT	Special Weather Statement	PHI	Berks	61 min
Sep 28, 9:59 AM EDT	Special Weather Statement	PHI	Chester, Montgomery	61 min
Sep 28, 10:01 AM EDT	Special Weather Statement	PHI	Carbon, Monroe, Northampton	59 min
Sep 28, 10:05 AM EDT	Severe Thunderstorm Warning	PHI	Berks, Chester, Lehigh, Montgomery	55 min
Sep 28, 10:17 AM EDT	Special Weather Statement	PHI	Chester	58 min
Sep 28, 11:15 AM EDT	Severe Thunderstorm Warning	PHI	Chester, Delaware	45 min
Sep 28, 1:23 PM EDT	Special Weather Statement	PHI	Carbon, Lehigh, Monroe, Northampton	52 min
Sep 28, 6:13 AM EDT	Special Weather Statement	PHI	Cecil, Kent, Queen Anne's, Talbot	47 min
Sep 28, 7:02 AM EDT	Special Weather Statement	PHI	Caroline	58 min
Sep 28, 8:26 AM EDT	Special Weather Statement	PHI	Queen Anne's, Talbot	64 min
Sep 28, 8:47 AM EDT	Special Weather Statement	PHI	Cecil, Kent	58 min
Sep 28, 9:13 AM EDT	Tornado Warning	PHI	Caroline, Kent, Queen Anne's, Talbot	32 min
Sep 28, 9:44 AM EDT	Tornado Warning	PHI	Cecil, Kent, Queen Anne's, Talbot	31 min
Sep 28, 10:22 AM EDT	Severe Thunderstorm Warning	PHI	Cecil, Kent, Queen Anne's	53 min
Sep 28, 10:41 AM EDT	Special Weather Statement	PHI	Caroline	64 min
Sep 28, 7:33 AM EDT	Special Weather Statement	PHI	Kent, New Castle	57 min

Nearby

Special Weather Statements in New Jersey, 2010 Every special weather statement in 2010

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.