Alert archive / Pennsylvania / Special Weather Statements in 2021
Special Weather Statement, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this special weather statement at Jan 16, 2021, 11:07 AM EST for Allegheny County, Butler County, Pennsylvania. It was in force for 53 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
- Jan 16, 2021, 11:07 AM EST (16:07 UTC)
- Expired
- Jan 16, 2021, 12:00 PM EST
- In force
- 53 min
- Issued by
- NWS Pittsburgh, PA
Counties Allegheny County, PA, Butler County, PA
The radar
The Pittsburgh radar (KPBZ), 36 km from the middle of the area, began a volume at 16:10 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, 4.1 hours before the alert went out and 20 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
- 678 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- -17 m²/s²
- 0-3 km storm-relative helicity
- 25 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Jan 16, 10:03 AM EST, 1 hour 4 minutes earlier.
Area forecast discussion, Jan 16, 10:03 AM EST, 1 hour 4 minutes before
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</html>Hazardous weather outlook, Jan 16, 3:51 AM EST, 7 hours 16 minutes before
Hazardous Weather Outlook National Weather Service Pittsburgh PA 351 AM EST Sat Jan 16 2021 OHZ039>041-048>050-057>059-068-069-PAZ007>009-013>016-020>023-029- 031-073>076-WVZ001>004-012-021-509>511-170900- 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- 351 AM EST Sat Jan 16 2021 This Hazardous Weather Outlook is for east central Ohio, northwest Pennsylvania, southwest Pennsylvania, western Pennsylvania, northern West Virginia and the northern panhandle of West Virginia. .DAY ONE...Today and tonight. No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Sunday through Friday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. WVZ512>514-170900- Eastern Preston-Western Tucker-Eastern Tucker- 351 AM EST Sat Jan 16 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 AM EST SUNDAY... This Hazardous Weather Outlook is for northern West Virginia. .DAY ONE...Today and tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Winter Weather Advisory. .DAYS TWO THROUGH SEVEN...Sunday through Friday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Winter Weather Advisory. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to Standard Operating Procedures.
In the hours before
Local storm report, Jan 16, 10:21 AM EST, 46 minutes before
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</html>Local storm report, Jan 16, 10:29 AM EST, 38 minutes before
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</html>Local storm report, Jan 16, 10:56 AM EST, 11 minutes before
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</html>Local storm report, Jan 16, 11:01 AM EST, 6 minutes before
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</html>Local storm report, Jan 16, 11:02 AM EST, 5 minutes before
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</html>Special weather statement, Jan 16, 11:07 AM EST, 0 minutes before
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</html>The office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 16, 3:19 AM EST | Winter Weather Advisory | PBZ | Fayette, Westmoreland | 28 hr |
| Jan 16, 8:51 AM EST | Special Weather Statement | PBZ | Allegheny, Beaver, Butler, Greene, Washington | 54 min |
| Jan 16, 10:07 AM EST | Special Weather Statement | PBZ | Allegheny, Beaver, Washington | 53 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.