Alert archive / Pennsylvania / Areal Flood Warnings in 2014

Areal Flood Warning 2, NWS State College, PA

March 12, 2014Tioga County, Pennsylvania

NWS State College, PA issued this areal flood warning at Mar 12, 2014, 4:03 PM EDT for Tioga County, Pennsylvania. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Mar 12, 2014, 4:03 PM EDT (20:03 UTC)
Expired: Mar 12, 2014, 10:00 PM EDT
In force: 6 hr
Issued by: NWS State College, PA
Area: Storm-based polygon
Flood severity: None

County Tioga County, PA

The radar

The State College radar (KCCX), 113 km from the middle of the area, began a volume at 20:05 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, 8.1 hours before the alert went out and 274 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2062 m above ground
0-6 km bulk shear: 58 kt
0-1 km storm-relative helicity: 77 m²/s²
0-3 km storm-relative helicity: 248 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this areal flood warning 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 areal flood warning went out at Mar 12, 3:45 PM EDT, 18 minutes earlier.

Area forecast discussion, Mar 12, 3:45 PM EDT, 18 minutes before

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Hazardous weather outlook, Mar 12, 6:43 AM EDT, 9 hours 20 minutes before

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In the hours before

Special weather statement, Mar 12, 2:01 PM EDT, 2 hours 2 minutes before

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Special weather statement, Mar 12, 2:31 PM EDT, 1 hour 32 minutes before

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Special weather statement, Mar 12, 3:18 PM EDT, 45 minutes before

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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
Mar 12, 3:14 AM EDT	Wind Advisory	CTP	Adams, Bedford, Blair, Cambria, Centre, Clearfield and 21 more	32 hr
Mar 12, 3:41 AM EDT	Wind Chill Advisory	CTP	Cambria, Cameron, Centre, Clearfield, Clinton, Elk and 7 more	31 hr
Mar 12, 2:01 PM EDT	Special Weather Statement	CTP	Cambria, Somerset	29 min
Mar 12, 2:31 PM EDT	Special Weather Statement	CTP	Bedford, Blair, Somerset	44 min
Mar 12, 3:18 PM EDT	Special Weather Statement	CTP	Bedford, Centre, Fulton, Huntingdon, Mifflin	57 min
Mar 12, 5:00 PM EDT	Special Weather Statement	CTP	Bedford, Blair, Cambria, Clearfield, Somerset	60 min
Mar 12, 5:33 PM EDT	Special Weather Statement	CTP	Lancaster, Lebanon, York	57 min

Nearby

Areal Flood Warnings in Pennsylvania, 2014 Every areal flood warning in 2014

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.