Alert archive / Pennsylvania / Excessive Heat Warnings in 2016

Excessive Heat Warning 1, NWS State College, PA

July 25, 20167 counties in Pennsylvania

NWS State College, PA issued this excessive heat warning at Jul 25, 2016, 9:37 AM EDT for 7 counties in Pennsylvania. It took effect at Jul 25, 2016, 3:00 PM EDT. It was in force for 4 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: Jul 25, 2016, 9:37 AM EDT (13:37 UTC)
In effect from: Jul 25, 2016, 3:00 PM EDT
Expired: Jul 25, 2016, 6:48 PM EDT
In force: 4 hr
Issued by: NWS State College, PA

Counties Adams County, PA, Cumberland County, PA, Dauphin County, PA, Lancaster County, PA, Lebanon County, PA, Perry County, PA, York County, PA

The radar

The State College radar (KCCX), 129 km from the middle of the area, began a volume at 13:39 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

Washington/Dulle, VA (KIAD), launched 12:00Z, 1.6 hours before the alert went out and 143 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: 494 J/kg
Mixed-layer CIN: -150 J/kg
Mixed-layer LCL: 1400 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 47 m²/s²
0-3 km storm-relative helicity: 56 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 excessive heat 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 excessive heat warning went out at Jul 25, 7:42 AM EDT, 1 hour 55 minutes earlier.

Area forecast discussion, Jul 25, 7:42 AM EDT, 1 hour 55 minutes before

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Hazardous weather outlook, Jul 25, 4:45 AM EDT, 4 hours 52 minutes before

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In the hours before

Special weather statement, Jul 25, 6:27 AM EDT, 3 hours 10 minutes before

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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 office that day

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

Issued	Product	Office	Counties	Lasted
Jul 24, 8:05 PM EDT	Special Weather Statement	CTP	Adams, Franklin	55 min
Jul 24, 8:56 PM EDT	Special Weather Statement	CTP	Lancaster, Lebanon	49 min
Jul 25, 6:27 AM EDT	Special Weather Statement	CTP	Somerset	48 min
Jul 25, 1:04 PM EDT	Special Weather Statement	CTP	McKean	26 min
Jul 25, 1:25 PM EDT	Special Weather Statement	CTP	Franklin	35 min
Jul 25, 1:34 PM EDT	Severe Thunderstorm Warning	CTP	Warren	66 min
Jul 25, 1:38 PM EDT	Severe Thunderstorm Warning	CTP	McKean, Potter	67 min
Jul 25, 1:45 PM EDT	Special Weather Statement	CTP	Dauphin, Lebanon	45 min
Jul 25, 2:01 PM EDT	Severe Thunderstorm Warning	CTP	Warren	39 min
Jul 25, 2:09 PM EDT	Special Weather Statement	CTP	McKean	36 min
Jul 25, 2:24 PM EDT	Special Weather Statement	CTP	Columbia	66 min
Jul 25, 2:32 PM EDT	Severe Thunderstorm Warning	CTP	Columbia	43 min
Jul 25, 2:44 PM EDT	Severe Thunderstorm Warning	CTP	Cameron, Elk, McKean, Potter	64 min
Jul 25, 2:48 PM EDT	Special Weather Statement	CTP	Dauphin, Lebanon	42 min
Jul 25, 2:51 PM EDT	Severe Thunderstorm Warning	CTP	Columbia, Montour, Northumberland, Snyder, Union	69 min
Jul 25, 2:53 PM EDT	Special Weather Statement	CTP	Tioga	37 min
Jul 25, 3:10 PM EDT	Special Weather Statement	CTP	Schuylkill	35 min
Jul 25, 3:14 PM EDT	Severe Thunderstorm Warning	CTP	Cameron, Clinton, Elk, Lycoming, Potter, Sullivan and 2 more	76 min
Jul 25, 3:33 PM EDT	Severe Thunderstorm Warning	CTP	Clearfield, Elk	57 min
Jul 25, 3:40 PM EDT	Severe Thunderstorm Warning	CTP	Columbia, Montour, Northumberland, Schuylkill	95 min
Jul 25, 3:54 PM EDT	Severe Thunderstorm Warning	CTP	Adams, Franklin	56 min
Jul 25, 3:54 PM EDT	Severe Thunderstorm Warning	CTP	Cambria	75 min
Jul 25, 4:00 PM EDT	Severe Thunderstorm Warning	CTP	Centre	90 min
Jul 25, 4:29 PM EDT	Severe Thunderstorm Warning	CTP	Blair, Huntingdon	61 min
Jul 25, 4:32 PM EDT	Special Weather Statement	CTP	Somerset	43 min
Jul 25, 4:48 PM EDT	Severe Thunderstorm Warning	CTP	Juniata, Mifflin, Snyder, Union	72 min
Jul 25, 5:05 PM EDT	Severe Thunderstorm Warning	CTP	Juniata, Mifflin	55 min
Jul 25, 5:08 PM EDT	Special Weather Statement	CTP	Bedford, Somerset	52 min
Jul 25, 5:15 PM EDT	Severe Thunderstorm Warning	CTP	Columbia, Dauphin, Northumberland, Schuylkill	60 min
Jul 25, 5:42 PM EDT	Special Weather Statement	CTP	Dauphin, Lebanon, Perry	63 min
Jul 25, 6:09 PM EDT	Severe Thunderstorm Warning	CTP	Cumberland, Dauphin, Lebanon, Perry	69 min
Jul 25, 6:52 PM EDT	Special Weather Statement	CTP	Lancaster, York	53 min
Jul 25, 7:03 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster, York	68 min

Nearby

Excessive Heat Warnings in Pennsylvania, 2016 Every excessive heat warning in 2016

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.