Alert archive / Pennsylvania / Special Weather Statements in 2019

Special Weather Statement, NWS State College, PA

August 3, 2019Lancaster County, Pennsylvania

NWS State College, PA issued this special weather statement at Aug 3, 2019, 6:30 PM EDT for Lancaster County, Pennsylvania. It was in force for 30 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: Aug 3, 2019, 6:30 PM EDT (22:30 UTC)
Expired: Aug 3, 2019, 7:00 PM EDT
In force: 30 min
Issued by: NWS State College, PA

County Lancaster County, PA

The radar

The Dover AFB radar (KDOX), 150 km from the middle of the area, began a volume at 22:32 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, 10.5 hours before the alert went out and 309 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: 424 J/kg
Mixed-layer CIN: -61 J/kg
Mixed-layer LCL: 1055 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 37 m²/s²
0-3 km storm-relative helicity: 15 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.8

Open this sounding in Storm Lab

The text

As transmitted.

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The office that day

Everything else NWS State College, PA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 2, 8:12 PM EDT	Areal Flood Advisory	CTP	McKean, Warren	3 hr
Aug 3, 12:40 AM EDT	Dense Fog Advisory	CTP	Blair, Cambria, Cameron, Centre, Clearfield, Clinton and 6 more	8 hr
Aug 3, 12:07 PM EDT	Areal Flood Advisory	CTP	York	113 min
Aug 3, 2:23 PM EDT	Areal Flood Advisory	CTP	Tioga	2 hr
Aug 3, 2:53 PM EDT	Special Weather Statement	CTP	Tioga	37 min
Aug 3, 3:22 PM EDT	Special Weather Statement	CTP	Centre	23 min
Aug 3, 3:38 PM EDT	Special Weather Statement	CTP	Lebanon	37 min
Aug 3, 3:52 PM EDT	Areal Flood Advisory	CTP	Lebanon	3 hr
Aug 3, 4:43 PM EDT	Areal Flood Advisory	CTP	Lycoming, Tioga	3 hr
Aug 3, 5:44 PM EDT	Special Weather Statement	CTP	Lancaster	31 min
Aug 3, 6:22 PM EDT	Special Weather Statement	CTP	Huntingdon	8 min
Aug 3, 7:22 PM EDT	Areal Flood Advisory	CTP	Franklin	3 hr

Nearby

Special Weather Statements in Pennsylvania, 2019 Every special weather statement in 2019

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.