Alert archive / Pennsylvania / Special Weather Statements in 2021
Special Weather Statement, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this special weather statement at Jun 19, 2021, 7:33 PM EDT for Butler County, Pennsylvania. It was in force for 27 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jun 19, 2021, 7:33 PM EDT (23:33 UTC)
- Expired
- Jun 19, 2021, 8:00 PM EDT
- In force
- 27 min
- Issued by
- NWS Pittsburgh, PA
County Butler County, PA
The radar
The Pittsburgh radar (KPBZ), 53 km from the middle of the area, began a volume at 23:36 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
Pittsburgh, PA (KPIT), launched 12:00Z, 11.6 hours before the alert went out and 62 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
- 205 J/kg
- Mixed-layer CIN
- -164 J/kg
- Mixed-layer LCL
- 1005 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 82 m²/s²
- 0-3 km storm-relative helicity
- 168 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement 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 special weather statement went out at Jun 19, 3:36 PM EDT, 3 hours 57 minutes earlier.
Area forecast discussion, Jun 19, 3:36 PM EDT, 3 hours 57 minutes before
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</html>Hazardous weather outlook, Jun 19, 3:31 AM EDT, 16 hours 2 minutes before
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<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<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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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>In the hours before
Special weather statement, Jun 19, 6:34 PM EDT, 59 minutes before
Special Weather Statement National Weather Service Pittsburgh PA 634 PM EDT Sat Jun 19 2021 PAZ007-013-192300- Lawrence-Mercer- 634 PM EDT Sat Jun 19 2021 ...A STRONG THUNDERSTORM CAPABLE OF PRODUCING SMALL HAIL AND GUSTY WIND WILL AFFECT SOUTHERN MERCER AND NORTH CENTRAL LAWRENCE COUNTIES... At 633 PM EDT, a strong thunderstorm was located over Sharpsville, moving southeast at 25 mph. Wind gusts up to 55 mph and small hail are possible with this storm. Locations impacted include... Hermitage... Sharon... Sharpsville... Farrell... New Wilmington... Mercer... West Middlesex... Clark... Wheatland... Jackson Center... Volant... This includes the following highways... Interstate 79 in Pennsylvania between mile markers 115 and 122. Interstate 80 in Pennsylvania between mile markers 1 and 20. LAT...LON 4125 8010 4103 8025 4119 8052 4137 8052 TIME...MOT...LOC 2233Z 298DEG 23KT 4127 8052 34
Special weather statement, Jun 19, 7:33 PM EDT, 0 minutes before
Special Weather Statement National Weather Service Pittsburgh PA 733 PM EDT Sat Jun 19 2021 PAZ014-022-200000- Armstrong-Butler- 733 PM EDT Sat Jun 19 2021 ...A STRONG THUNDERSTORM CAPABLE OF PRODUCING HAIL AND GUSTY WIND WILL AFFECT CENTRAL BUTLER AND WEST CENTRAL ARMSTRONG COUNTIES... At 732 PM EDT, a strong thunderstorm was located near Slippery Rock, or 9 miles south of Grove City, moving southeast at 35 mph. Wind gusts up to 55 mph and hail up to the size of nickels are possible with this storm. Locations impacted include... Butler... Homeacre-Lyndora... Shanor-Northvue... Meridian... Slippery Rock... Meadowood... Oak Hills... Saxonburg... Prospect... Chicora... East Butler... West Liberty... This includes Interstate 79 in Pennsylvania between mile markers 102 and 105. LAT...LON 4100 8015 4113 8002 4092 7956 4071 7978 TIME...MOT...LOC 2332Z 308DEG 28KT 4103 8002 34
The office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 19, 12:21 AM EDT | Special Weather Statement | PBZ | Armstrong | 24 min |
| Jun 19, 4:56 AM EDT | Special Weather Statement | PBZ | Allegheny | 34 min |
| Jun 19, 5:11 AM EDT | Special Weather Statement | PBZ | Westmoreland | 34 min |
| Jun 19, 6:34 PM EDT | Special Weather Statement | PBZ | Mercer | 26 min |
| Jun 19, 6:47 PM EDT | Severe Thunderstorm Warning | PBZ | Butler, Lawrence, Mercer, Venango | 43 min |
| Jun 19, 3:11 AM EDT | Special Weather Statement | PBZ | Harrison | 34 min |
Nearby
Special Weather Statements in Pennsylvania, 2021Every special weather statement in 2021
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.