Alert archive / Pennsylvania / Special Weather Statements in 2021

Special Weather Statement, NWS State College, PA

June 9, 2021Potter County, Pennsylvania

NWS State College, PA issued this special weather statement at Jun 9, 2021, 2:36 PM EDT for Potter County, Pennsylvania. It was in force for 24 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 9, 2021, 2:36 PM EDT (18:36 UTC)
Expired: Jun 9, 2021, 3:00 PM EDT
In force: 24 min
Issued by: NWS State College, PA

County Potter County, PA

The radar

The State College radar (KCCX), 84 km from the middle of the area, began a volume at 18:39 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

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 6.6 hours before the alert went out and 149 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: 68 J/kg
Mixed-layer CIN: -116 J/kg
Mixed-layer LCL: 905 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 73 m²/s²
0-3 km storm-relative helicity: 79 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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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 State College, PA wrote its last area forecast discussion before this special weather statement went out at Jun 9, 1:43 PM EDT, 53 minutes earlier.

Area forecast discussion, Jun 9, 1:43 PM EDT, 53 minutes before

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Hazardous weather outlook, Jun 9, 9:43 AM EDT, 4 hours 53 minutes before

Hazardous Weather Outlook
National Weather Service State College PA
943 AM EDT Wed Jun 9 2021

PAZ004>006-010>012-037-041-042-045-046-049>053-058-101345-
Warren-McKean-Potter-Elk-Cameron-Northern Clinton-Tioga-
Northern Lycoming-Sullivan-Southern Clinton-Southern Lycoming-Union-
Snyder-Montour-Northumberland-Columbia-Schuylkill-
943 AM EDT Wed Jun 9 2021

This Hazardous Weather Outlook is for central Pennsylvania.

.DAY ONE...Today and tonight.

The probability for widespread hazardous weather is low.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

PAZ017>019-024>028-056-057-059-063-101345-
Clearfield-Northern Centre-Southern Centre-Cambria-Blair-Huntingdon-
Mifflin-Juniata-Perry-Dauphin-Lebanon-Cumberland-
943 AM EDT Wed Jun 9 2021

This Hazardous Weather Outlook is for central Pennsylvania.

.DAY ONE...Today and tonight.

Locally heavy downpours may result in isolated flash flooding this
afternoon and evening.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

PAZ033>036-064>066-101345-
Somerset-Bedford-Fulton-Franklin-Adams-York-Lancaster-
943 AM EDT Wed Jun 9 2021

This Hazardous Weather Outlook is for central Pennsylvania.

.DAY ONE...Today and tonight.

Locally heavy downpours may result in isolated flash flooding this
afternoon and evening.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Locally heavy downpours may result in isolated flash flooding on
Thursday and Friday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Special weather statement, Jun 9, 1:37 PM EDT, 59 minutes before

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Local storm report, Jun 9, 1:56 PM EDT, 40 minutes before

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Special weather statement, Jun 9, 2:11 PM EDT, 25 minutes before

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Special weather statement, Jun 9, 2:18 PM EDT, 18 minutes before

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Special weather statement, Jun 9, 2:36 PM EDT, 0 minutes before

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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
Jun 9, 1:37 PM EDT	Special Weather Statement	CTP	Tioga	53 min
Jun 9, 2:04 PM EDT	Severe Thunderstorm Warning	CTP	Potter	26 min
Jun 9, 2:11 PM EDT	Special Weather Statement	CTP	Clearfield	34 min
Jun 9, 2:18 PM EDT	Special Weather Statement	CTP	Elk	27 min
Jun 9, 2:43 PM EDT	Special Weather Statement	CTP	Blair	32 min
Jun 9, 2:51 PM EDT	Special Weather Statement	CTP	Potter	24 min
Jun 9, 2:55 PM EDT	Special Weather Statement	CTP	Dauphin	35 min
Jun 9, 2:59 PM EDT	Special Weather Statement	CTP	Centre	31 min
Jun 9, 3:03 PM EDT	Special Weather Statement	CTP	Huntingdon	27 min
Jun 9, 3:08 PM EDT	Special Weather Statement	CTP	McKean	37 min
Jun 9, 3:14 PM EDT	Special Weather Statement	CTP	Cameron	31 min
Jun 9, 3:27 PM EDT	Special Weather Statement	CTP	Dauphin	33 min
Jun 9, 3:36 PM EDT	Special Weather Statement	CTP	Forest	24 min
Jun 9, 3:52 PM EDT	Special Weather Statement	CTP	McKean	23 min
Jun 9, 4:02 PM EDT	Severe Thunderstorm Warning	CTP	McKean, Warren	28 min
Jun 9, 4:31 PM EDT	Special Weather Statement	CTP	Warren	59 min
Jun 9, 5:09 PM EDT	Special Weather Statement	CTP	Warren	66 min
Jun 9, 5:13 PM EDT	Special Weather Statement	CTP	York	62 min
Jun 9, 5:35 PM EDT	Areal Flood Advisory	CTP	Cumberland, York	85 min
Jun 9, 5:36 PM EDT	Special Weather Statement	CTP	Schuylkill	54 min
Jun 9, 5:46 PM EDT	Severe Thunderstorm Warning	CTP	Schuylkill	44 min
Jun 9, 6:00 PM EDT	Special Weather Statement	CTP	Adams	30 min
Jun 9, 6:14 PM EDT	Areal Flood Advisory	CTP	Schuylkill	23 min
Jun 9, 6:28 PM EDT	Severe Thunderstorm Warning	CTP	Schuylkill	62 min
Jun 9, 6:30 PM EDT	Special Weather Statement	CTP	York	45 min
Jun 9, 6:37 PM EDT	Flash Flood Warning	CTP	Schuylkill	3 hr
Jun 9, 6:38 PM EDT	Special Weather Statement	CTP	Lycoming	52 min
Jun 9, 7:05 PM EDT	Special Weather Statement	CTP	Lancaster	40 min
Jun 9, 7:09 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster, York	51 min
Jun 9, 7:54 PM EDT	Special Weather Statement	CTP	Lancaster	36 min

Nearby

Special Weather Statements in Pennsylvania, 2021 Every 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.