Alert archive / Pennsylvania / Special Weather Statements in 2017

Special Weather Statement, NWS State College, PA

July 19, 2017Schuylkill County, Pennsylvania

NWS State College, PA issued this special weather statement at Jul 19, 2017, 5:31 PM EDT for Schuylkill County, Pennsylvania. It was in force for 29 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: Jul 19, 2017, 5:31 PM EDT (21:31 UTC)
Expired: Jul 19, 2017, 6:00 PM EDT
In force: 29 min
Issued by: NWS State College, PA

County Schuylkill County, PA

The radar

The Philadelphia radar (KDIX), 161 km from the middle of the area, began a volume at 21:32 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, 9.5 hours before the alert went out and 277 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: 1210 J/kg
Mixed-layer CIN: -33 J/kg
Mixed-layer LCL: 781 m above ground
0-6 km bulk shear: 5 kt
0-1 km storm-relative helicity: 2 m²/s²
0-3 km storm-relative helicity: 6 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 State College, PA wrote its last area forecast discussion before this special weather statement went out at Jul 19, 2:51 PM EDT, 2 hours 40 minutes earlier.

Area forecast discussion, Jul 19, 2:51 PM EDT, 2 hours 40 minutes before

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Hazardous weather outlook, Jul 19, 6:06 AM EDT, 11 hours 25 minutes before

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In the hours before

Special weather statement, Jul 19, 5:31 PM EDT, 0 minutes before

Special Weather Statement
National Weather Service State College PA
531 PM EDT WED JUL 19 2017

PAZ058-192200-
Schuylkill PA-
531 PM EDT WED JUL 19 2017

...SPECIAL WEATHER STATEMENT...

At 530 PM EDT, Doppler radar indicated a strong thunderstorm over
Schuylkill Haven, moving southeast at 10 mph.

Very heavy rain is expected.
Winds in excess of 30 mph are possible.

Locations impacted include...
Schuylkill Haven, Pottsville, Orwigsburg, Renningers, Friedensburg,
New Philadelphia, Port Carbon, Auburn, Deer Lake, Landingville, Palo
Alto, Mount Carbon, Cressona, Lake Wynonah, Port Clinton, Summit
Station, Cumbola and Penn State Schuylkill.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 4057 7602 4058 7604 4057 7605 4058 7607
      4057 7608 4056 7612 4053 7617 4053 7622
      4052 7626 4052 7627 4061 7632 4072 7612
      4064 7599
TIME...MOT...LOC 2130Z 322DEG 8KT 4060 7617

Ceru

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 18, 9:05 PM EDT	Special Weather Statement	CTP	Adams	55 min
Jul 18, 10:43 PM EDT	Areal Flood Advisory	CTP	Adams, Cumberland, Franklin	3 hr
Jul 19, 6:35 PM EDT	Special Weather Statement	CTP	Dauphin, Lebanon	25 min
Jul 19, 7:20 PM EDT	Special Weather Statement	CTP	York	55 min
Jul 19, 7:32 PM EDT	Severe Thunderstorm Warning	CTP	Cumberland, Perry	39 min
Jul 19, 7:47 PM EDT	Special Weather Statement	CTP	Cumberland	28 min

Nearby

Special Weather Statements in Pennsylvania, 2017 Every special weather statement in 2017

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.