Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 107, NWS Pittsburgh, PA

June 13, 2000Mercer County, Venango County, Pennsylvania

NWS Pittsburgh, PA issued this severe thunderstorm warning at Jun 13, 2000, 2:13 PM EDT for Mercer County, Venango County, Pennsylvania. It was in force for 62 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Jun 13, 2000, 2:13 PM EDT (18:13 UTC)
Expired: Jun 13, 2000, 3:15 PM EDT
In force: 62 min
Issued by: NWS Pittsburgh, PA
Area: Whole counties

Counties Mercer County, PA, Venango County, PA

The radar

The Pittsburgh radar (KPBZ), 93 km from the middle of the area, began a volume at 18:12 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.

What was reported inside it

Time	Report	Where	Remark
Jun 13, 2:20 PM EDT	Thunderstorm Wind	Carlton, PA	Thunderstorm winds downed a few large trees.
Jun 13, 2:25 PM EDT	Hail 0.75	Cooperstown, PA

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 6.2 hours before the alert went out and 105 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: 468 J/kg
Mixed-layer CIN: -68 J/kg
Mixed-layer LCL: 1004 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 160 m²/s²
0-3 km storm-relative helicity: 174 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Pittsburgh, PA wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 13, 10:43 AM EDT, 3 hours 30 minutes earlier.

Area forecast discussion, Jun 13, 10:43 AM EDT, 3 hours 30 minutes before

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In the hours before

Special weather statement, Jun 13, 12:20 PM EDT, 1 hour 53 minutes before

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Special weather statement, Jun 13, 1:28 PM EDT, 45 minutes before

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Special weather statement, Jun 13, 1:41 PM EDT, 32 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 13, 4:46 PM EDT	Severe Thunderstorm Warning	PBZ	Jefferson	59 min
Jun 12, 10:12 PM EDT	Severe Thunderstorm Warning	PBZ	Muskingum	63 min
Jun 13, 12:09 AM EDT	Severe Thunderstorm Warning	PBZ	Belmont	66 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2000 Every severe thunderstorm warning in 2000

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.