Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 148, NWS State College, PA

August 27, 1994Juniata County, Mifflin County, Pennsylvania

NWS State College, PA issued this severe thunderstorm warning at Aug 27, 1994, 7:31 PM EDT for Juniata County, Mifflin County, Pennsylvania. It was in force for 44 min.

The area

The counties it named.

The facts

Issued: Aug 27, 1994, 7:31 PM EDT (23:31 UTC)
Expired: Aug 27, 1994, 8:15 PM EDT
In force: 44 min
Issued by: NWS State College, PA
Area: Whole counties

Counties Juniata County, PA, Mifflin County, PA

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 11.5 hours before the alert went out and 220 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: 949 J/kg
Mixed-layer CIN: -43 J/kg
Mixed-layer LCL: 1005 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: 27 m²/s²
0-3 km storm-relative helicity: 13 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.

In the hours before

Special weather statement, Aug 27, 4:33 PM EDT, 2 hours 58 minutes before

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Special weather statement, Aug 27, 5:54 PM EDT, 1 hour 37 minutes before

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Special weather statement, Aug 27, 5:55 PM EDT, 1 hour 36 minutes before

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<head>
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<body>
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      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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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 27, 1:47 PM EDT	Severe Thunderstorm Warning	CTP	Potter	43 min
Aug 27, 2:15 PM EDT	Severe Thunderstorm Warning	CTP	Cameron, McKean	60 min
Aug 27, 2:23 PM EDT	Flash Flood Warning	CTP	McKean	3 hr
Aug 27, 2:39 PM EDT	Severe Thunderstorm Warning	CTP	Tioga	36 min
Aug 27, 2:52 PM EDT	Severe Thunderstorm Warning	CTP	Columbia, Sullivan	38 min
Aug 27, 3:15 PM EDT	Flash Flood Warning	CTP	Elk	60 min
Aug 27, 3:56 PM EDT	Severe Thunderstorm Warning	CTP	Lycoming	49 min
Aug 27, 4:12 PM EDT	Flash Flood Warning	CTP	Elk, Warren	4 hr
Aug 27, 4:16 PM EDT	Severe Thunderstorm Warning	CTP	Monroe, Northampton	44 min
Aug 27, 4:56 PM EDT	Severe Thunderstorm Warning	CTP	Clearfield	64 min
Aug 27, 5:03 PM EDT	Severe Thunderstorm Warning	CTP	Northampton	42 min
Aug 27, 5:07 PM EDT	Severe Thunderstorm Warning	CTP	Northumberland, Union	68 min
Aug 27, 5:32 PM EDT	Severe Thunderstorm Warning	CTP	Columbia	58 min
Aug 27, 6:20 PM EDT	Severe Thunderstorm Warning	CTP	Schuylkill	55 min
Aug 27, 6:37 PM EDT	Severe Thunderstorm Warning	CTP	Dauphin	68 min
Aug 27, 6:55 PM EDT	Severe Thunderstorm Warning	CTP	Berks	65 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 1994 Every severe thunderstorm warning in 1994

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.