Alert archive / Delaware / Special Weather Statements in 2010

Special Weather Statement, NWS Philadelphia/Mount Holly

June 24, 2010Sussex County, Delaware

NWS Philadelphia/Mount Holly issued this special weather statement at Jun 24, 2010, 6:53 PM EDT for Sussex County, Delaware. It was in force for 67 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: Jun 24, 2010, 6:53 PM EDT (22:53 UTC)
Expired: Jun 24, 2010, 8:00 PM EDT
In force: 67 min
Issued by: NWS Philadelphia/Mount Holly

County Sussex County, DE

The radar

The Dover AFB radar (KDOX), 24 km from the middle of the area, began a volume at 22:53 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, 10.9 hours before the alert went out and 115 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: 126 J/kg
Mixed-layer CIN: -170 J/kg
Mixed-layer LCL: 1592 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 133 m²/s²
0-3 km storm-relative helicity: 65 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Jun 24, 6:01 PM EDT, 52 minutes earlier.

Area forecast discussion, Jun 24, 6:01 PM EDT, 52 minutes before

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Hazardous weather outlook, Jun 24, 5:52 PM EDT, 1 hour 1 minute before

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In the hours before

Local storm report, Jun 24, 4:40 PM EDT, 2 hours 13 minutes before

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Local storm report, Jun 24, 4:58 PM EDT, 1 hour 55 minutes before

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Special weather statement, Jun 24, 5:02 PM EDT, 1 hour 51 minutes before

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Special weather statement, Jun 24, 6:05 PM EDT, 48 minutes before

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Local storm report, Jun 24, 6:15 PM EDT, 38 minutes before

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Special weather statement, Jun 24, 6:53 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
Jun 24, 12:36 PM EDT	Special Weather Statement	PHI	Morris, Sussex	54 min
Jun 24, 1:16 PM EDT	Special Weather Statement	PHI	Morris, Sussex, Warren	59 min
Jun 24, 3:13 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Camden, Gloucester, Salem	62 min
Jun 24, 3:44 PM EDT	Severe Thunderstorm Warning	PHI	Salem	76 min
Jun 24, 3:47 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 2 more	58 min
Jun 24, 4:04 PM EDT	Special Marine Warning	PHI		86 min
Jun 24, 4:15 PM EDT	Special Weather Statement	PHI	Sussex	60 min
Jun 24, 4:18 PM EDT	Severe Thunderstorm Warning	PHI	Camden, Cumberland, Gloucester, Salem	57 min
Jun 24, 4:43 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 1 more	62 min
Jun 24, 5:15 PM EDT	Special Marine Warning	PHI		60 min
Jun 24, 5:26 PM EDT	Special Marine Warning	PHI		2 hr
Jun 24, 5:46 PM EDT	Severe Thunderstorm Warning	PHI	Cape May, Cumberland	59 min
Jun 24, 6:14 PM EDT	Special Marine Warning	PHI		91 min
Jun 24, 6:17 PM EDT	Special Marine Warning	PHI		58 min
Jun 24, 7:39 PM EDT	Special Marine Warning	PHI		79 min
Jun 24, 1:59 PM EDT	Severe Thunderstorm Warning	PHI	Berks	66 min
Jun 24, 2:31 PM EDT	Severe Thunderstorm Warning	PHI	Chester, Montgomery	59 min
Jun 24, 2:56 PM EDT	Severe Thunderstorm Warning	PHI	Chester, Delaware, Montgomery, Philadelphia	64 min
Jun 24, 3:29 PM EDT	Severe Thunderstorm Warning	PHI	Chester	61 min
Jun 24, 5:02 PM EDT	Special Weather Statement	PHI	Caroline, Queen Anne's	58 min
Jun 24, 5:18 PM EDT	Severe Thunderstorm Warning	PHI	Caroline, Queen Anne's, Talbot	87 min
Jun 24, 6:05 PM EDT	Special Weather Statement	PHI	Talbot	55 min
Jun 24, 7:14 PM EDT	Severe Thunderstorm Warning	PHI	Sussex	50 min

Nearby

Special Weather Statements in Delaware, 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.