Alert archive / Pennsylvania / Wind Chill Advisories in 2015
Wind Chill Advisory 4, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this wind chill advisory at Feb 5, 2015, 3:59 AM EST for 7 counties in Pennsylvania. It took effect at Feb 5, 2015, 7:00 PM EST. It was in force for 14 hr.
The area
The counties it named.
The facts
- Issued
- Feb 5, 2015, 3:59 AM EST (08:59 UTC)
- In effect from
- Feb 5, 2015, 7:00 PM EST
- Expired
- Feb 6, 2015, 9:00 AM EST
- In force
- 14 hr
- Issued by
- NWS Pittsburgh, PA
Counties Clarion County, PA, Fayette County, PA, Forest County, PA, Jefferson County, PA, Mercer County, PA, Venango County, PA, Westmoreland County, PA
The radar
The Pittsburgh radar (KPBZ), 75 km from the middle of the area, began a volume at 09:03 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
Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 9.0 hours before the alert went out and 229 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 564 m above ground
- 0-6 km bulk shear
- 87 kt
- 0-1 km storm-relative helicity
- 73 m²/s²
- 0-3 km storm-relative helicity
- 259 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this wind chill advisory 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 wind chill advisory went out at Feb 5, 12:36 AM EST, 3 hours 23 minutes earlier.
Area forecast discussion, Feb 5, 12:36 AM EST, 3 hours 23 minutes before
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Local storm report, Feb 4, 10:18 PM EST, 5 hours 41 minutes before
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<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
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Please try again in a few minutes.
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If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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</html>Nearby
Wind Chill Advisories in Pennsylvania, 2015Wind Chill Advisories in West Virginia, 2015Every wind chill advisory in 2015
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.