Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2020
Severe Thunderstorm Warning 62, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this severe thunderstorm warning at Jun 3, 2020, 9:26 AM EDT for 4 counties in Pennsylvania. It was in force for 49 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 3, 2020, 9:26 AM EDT (13:26 UTC)
- Expired
- Jun 3, 2020, 10:15 AM EDT
- In force
- 49 min
- Issued by
- NWS Pittsburgh, PA
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Armstrong County, PA, Clarion County, PA, Indiana County, PA, Jefferson County, PA
The radar
The Pittsburgh radar (KPBZ), 94 km from the middle of the area, began a volume at 13:28 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, 1.4 hours before the alert went out and 94 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
- 1411 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 192 m²/s²
- 0-3 km storm-relative helicity
- 299 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
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 3, 8:39 AM EDT, 47 minutes earlier.
Area forecast discussion, Jun 3, 8:39 AM EDT, 47 minutes before
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</html>Hazardous weather outlook, Jun 3, 3:05 AM EDT, 6 hours 21 minutes before
Hazardous Weather Outlook National Weather Service Pittsburgh PA 305 AM EDT Wed Jun 3 2020 MDZ001-OHZ039>041-048>050-057>059-068-069-PAZ007>009-013>016-020>023- 029-031-073>076-WVZ001>004-012-021-509>514-040715- Garrett-Tuscarawas-Carroll-Columbiana-Coshocton-Harrison- Jefferson OH-Muskingum-Guernsey-Belmont-Noble-Monroe-Mercer-Venango- Forest-Lawrence-Butler-Clarion-Jefferson PA-Beaver-Allegheny- Armstrong-Indiana-Washington-Greene-Westmoreland-Westmoreland Ridges- Fayette-Fayette Ridges-Hancock-Brooke-Ohio-Marshall-Wetzel-Marion- Monongalia-Ridges of Eastern Monongalia and Northwestern Preston- Preston-Eastern Preston-Western Tucker-Eastern Tucker- 305 AM EDT Wed Jun 3 2020 This Hazardous Weather Outlook is for western Maryland, east central Ohio, northwest Pennsylvania, southwest Pennsylvania, western Pennsylvania, northern West Virginia and the northern panhandle of West Virginia. .DAY ONE...Today and tonight. Widespread thunderstorms are expected this afternoon and evening along a cold frontal boundary. Scattered strong to severe storms will be possible. Damaging wind gusts and large hail will be the primary hazards, but isolated tornadoes are also possible. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. Isolated strong to severe thunderstorms may be possible on Thursday afternoon and evening as additional convection develops across southern portions of the area. Damaging winds and large hail will again be the primary hazards associated with any severe thunderstorms. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to Standard Operating Procedures.
In the hours before
Special weather statement, Jun 3, 8:13 AM EDT, 1 hour 13 minutes before
Special Weather Statement
National Weather Service Pittsburgh PA
813 AM EDT Wed Jun 3 2020
PAZ007>009-015-031245-
Forest-Clarion-Venango-Mercer-
813 AM EDT Wed Jun 3 2020
...A LINE OF STRONG THUNDERSTORMS CAPABLE OF PRODUCING HAIL AND GUSTY
WIND WILL AFFECT NORTHEASTERN MERCER...VENANGO...NORTHERN CLARION AND
FOREST COUNTIES...
At 812 AM EDT, radar indicated strong thunderstorms were located
along a line extending from near Columbus to 7 miles south of
Meadville. Movement was southeast at 60 mph.
Wind gusts up to 45 mph and hail up to the size of nickels are
possible with these storms.
Locations impacted include...
Oil City... Franklin...
Marienville... Knox...
Sugarcreek... Tionesta...
Hasson Heights... Seneca...
Polk... Rouseville...
Shippenville... Cooperstown...
This includes Interstate 80 in Pennsylvania between mile markers 46
and 52.
Frequent cloud to ground lightning is occurring with these storms.
Seek safe shelter inside a building or vehicle.
These storms may intensify, so monitor local radio or television
stations for additional information and possible warnings from the
National Weather Service.
LAT...LON 4154 7896 4115 7964 4149 8013 4149 8000
4160 7983 4162 7983 4162 7895
TIME...MOT...LOC 1212Z 314DEG 52KT 4190 7960 4155 8010
CLSpecial weather statement, Jun 3, 9:14 AM EDT, 12 minutes before
Special Weather Statement National Weather Service Pittsburgh PA 914 AM EDT Wed Jun 3 2020 PAZ014-015-022-031345- Armstrong-Butler-Clarion- 914 AM EDT Wed Jun 3 2020 ...A STRONG THUNDERSTORM CAPABLE OF PRODUCING SMALL HAIL AND GUSTY WIND WILL AFFECT NORTHEASTERN BUTLER...CENTRAL ARMSTRONG AND SOUTHERN CLARION COUNTIES... At 913 AM EDT, a strong thunderstorm was located 11 miles northeast of Shanor-Northvue, or 13 miles northeast of Butler, moving east at 60 mph. Wind gusts up to 45 mph and small hail are possible with this storm. Locations impacted include... Rimersburg... New Bethlehem... Chicora... East Brady... Parker... Dayton... Bruin... Hawthorn... Eau Claire... Petrolia... Karns City... Fairview... Frequent cloud to ground lightning is occurring with this storm. Seek safe shelter inside a building or vehicle. LAT...LON 4095 7988 4114 7980 4102 7921 4081 7926 TIME...MOT...LOC 1313Z 284DEG 50KT 4102 7976 CL
The office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 3, 8:13 AM EDT | Special Weather Statement | PBZ | Forest, Venango | 32 min |
| Jun 3, 8:26 AM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Forest, Venango | 34 min |
| Jun 3, 8:54 AM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Forest, Jefferson, Venango | 40 min |
| Jun 3, 9:14 AM EDT | Special Weather Statement | PBZ | Armstrong | 31 min |
| Jun 3, 2:41 PM EDT | Special Weather Statement | PBZ | Noble | 34 min |
| Jun 3, 3:06 PM EDT | Severe Thunderstorm Warning | PBZ | Monroe, Noble | 39 min |
| Jun 3, 3:44 PM EDT | Special Weather Statement | PBZ | Monroe | 31 min |
| Jun 3, 4:13 PM EDT | Special Weather Statement | PBZ | Monroe | 32 min |
| Jun 3, 3:38 PM EDT | Special Weather Statement | PBZ | Wetzel | 37 min |
| Jun 3, 3:46 PM EDT | Severe Thunderstorm Warning | PBZ | Marion, Monongalia, Wetzel | 27 min |
| Jun 3, 4:11 PM EDT | Severe Thunderstorm Warning | PBZ | Wetzel | 49 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2020Every severe thunderstorm warning in 2020
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.