PennsylvaniaState outlook

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Friday, Jan 17, 2025

In parts of the state

No area shown

No thunderstorm or severe weather area is shown for parts of the state in this outlook. This does not guarantee clear weather.

Across this outlook

No severe weather area is shown in this outlook; later days may remain uncertain

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Forecast product

Map source

Pennsylvania outlook

SPC Day 1 outlook
Pennsylvania and nearby states: SPC Day 1 outlook for Friday, Jan 17, 2025. mySWO rendering of NOAA/SPC data.
mySWO map · NOAA/SPC outlook dataEnlarge map

Drawn from the same SPC outlook as the risk details on this page. Pennsylvania has a pale background; surrounding land is gray. Risk colors remain visible across state borders.

About this map

Archived forecast, using its retained SPC data. This is a mySWO rendering, not an official SPC graphic.

Issuance cutoff
Jan 17, 2025, 1:50 PM CST
SPC issued
Jan 17, 2025, 1:50 PM CST
Valid from
Jan 17, 2025, 2:00 PM CST
Valid until
Jan 18, 2025, 6:00 AM CST
Map sources and provenance ↗View the official SPC source ↗

Pennsylvania outlook

Tornado
Pennsylvania and nearby states: Tornado probability for Friday, Jan 17, 2025. mySWO rendering of NOAA/SPC data. No area reaches the 2% SPC contour threshold in this national outlook. Below the displayed threshold does not mean zero risk.
mySWO map · NOAA/SPC outlook dataEnlarge map

Chance of a tornado within 25 miles of a point. The state risk summary remains the overall outlook; this map does not calculate a separate local hazard probability.

No area reaches the 2% SPC contour threshold in this national outlook. Below the displayed threshold does not mean zero risk.

About this map

Archived forecast, using its retained SPC data. This is a mySWO rendering, not an official SPC graphic.

Issuance cutoff
Jan 17, 2025, 1:50 PM CST
SPC issued
Jan 17, 2025, 1:50 PM CST
Valid from
Jan 17, 2025, 2:00 PM CST
Valid until
Jan 18, 2025, 6:00 AM CST
Map sources and provenance ↗View the official SPC source ↗

Pennsylvania outlook

Wind
Pennsylvania and nearby states: Severe wind probability for Friday, Jan 17, 2025. mySWO rendering of NOAA/SPC data. No area reaches the 5% SPC contour threshold in this national outlook. Below the displayed threshold does not mean zero risk.
mySWO map · NOAA/SPC outlook dataEnlarge map

Chance of damaging thunderstorm winds or gusts of at least 50 knots (58 mph) within 25 miles of a point. The state risk summary remains the overall outlook; this map does not calculate a separate local hazard probability.

No area reaches the 5% SPC contour threshold in this national outlook. Below the displayed threshold does not mean zero risk.

About this map

Archived forecast, using its retained SPC data. This is a mySWO rendering, not an official SPC graphic.

Issuance cutoff
Jan 17, 2025, 1:50 PM CST
SPC issued
Jan 17, 2025, 1:50 PM CST
Valid from
Jan 17, 2025, 2:00 PM CST
Valid until
Jan 18, 2025, 6:00 AM CST
Map sources and provenance ↗View the official SPC source ↗

Pennsylvania outlook

Hail
Pennsylvania and nearby states: Severe hail probability for Friday, Jan 17, 2025. mySWO rendering of NOAA/SPC data. No area reaches the 5% SPC contour threshold in this national outlook. Below the displayed threshold does not mean zero risk.
mySWO map · NOAA/SPC outlook dataEnlarge map

Chance of hail at least 1 inch in diameter within 25 miles of a point. The state risk summary remains the overall outlook; this map does not calculate a separate local hazard probability.

No area reaches the 5% SPC contour threshold in this national outlook. Below the displayed threshold does not mean zero risk.

About this map

Archived forecast, using its retained SPC data. This is a mySWO rendering, not an official SPC graphic.

Issuance cutoff
Jan 17, 2025, 1:50 PM CST
SPC issued
Jan 17, 2025, 1:50 PM CST
Valid from
Jan 17, 2025, 2:00 PM CST
Valid until
Jan 18, 2025, 6:00 AM CST
Map sources and provenance ↗View the official SPC source ↗

National context

SPC Day 1 outlook
Original SPC Day 1 national outlook valid 2025-01-17, including the official legend and printed issuance.
NOAA / Storm Prediction CenterEnlarge map

This national map gives the bigger picture. See the dated answer for Pennsylvania on this page. The full official legend and issuance are preserved.

About this outlook

Archived forecast, using its retained SPC data. The original official graphic and its printed legend are preserved.

Issuance cutoff
Jan 17, 2025, 1:50 PM CST
Acquired
Oct 25, 2026, 12:01 AM CDT
SPC issued
Jan 17, 2025, 1:50 PM CST
Valid from
Jan 17, 2025, 2:00 PM CST
Valid until
Jan 18, 2025, 6:00 AM CST
View the official SPC source ↗

National context

Tornado
National SPC tornado probability for Friday, Jan 17, 2025. National context, not a calculated probability for Pennsylvania. No area reaches the 2% SPC contour threshold in this national outlook. Below the displayed threshold does not mean zero risk.
Official SPC graphic · National viewEnlarge map

Chance of a tornado within 25 miles of a point. This is a national SPC map. The state risk summary remains the overall outlook; this map does not calculate a separate local hazard probability.

No area reaches the 2% SPC contour threshold in this national outlook. Below the displayed threshold does not mean zero risk.

About this outlook

Archived forecast, using its retained SPC data. The original official graphic and its printed legend are preserved.

Issuance cutoff
Jan 17, 2025, 1:50 PM CST
SPC issued
Jan 17, 2025, 1:50 PM CST
Valid from
Jan 17, 2025, 2:00 PM CST
Valid until
Jan 18, 2025, 6:00 AM CST
View the official SPC source ↗

National context

Wind
National SPC severe wind probability for Friday, Jan 17, 2025. National context, not a calculated probability for Pennsylvania. No area reaches the 5% SPC contour threshold in this national outlook. Below the displayed threshold does not mean zero risk.
Official SPC graphic · National viewEnlarge map

Chance of damaging thunderstorm winds or gusts of at least 50 knots (58 mph) within 25 miles of a point. This is a national SPC map. The state risk summary remains the overall outlook; this map does not calculate a separate local hazard probability.

No area reaches the 5% SPC contour threshold in this national outlook. Below the displayed threshold does not mean zero risk.

About this outlook

Archived forecast, using its retained SPC data. The original official graphic and its printed legend are preserved.

Issuance cutoff
Jan 17, 2025, 1:50 PM CST
SPC issued
Jan 17, 2025, 1:50 PM CST
Valid from
Jan 17, 2025, 2:00 PM CST
Valid until
Jan 18, 2025, 6:00 AM CST
View the official SPC source ↗

National context

Hail
National SPC severe hail probability for Friday, Jan 17, 2025. National context, not a calculated probability for Pennsylvania. No area reaches the 5% SPC contour threshold in this national outlook. Below the displayed threshold does not mean zero risk.
Official SPC graphic · National viewEnlarge map

Chance of hail at least 1 inch in diameter within 25 miles of a point. This is a national SPC map. The state risk summary remains the overall outlook; this map does not calculate a separate local hazard probability.

No area reaches the 5% SPC contour threshold in this national outlook. Below the displayed threshold does not mean zero risk.

About this outlook

Archived forecast, using its retained SPC data. The original official graphic and its printed legend are preserved.

Issuance cutoff
Jan 17, 2025, 1:50 PM CST
SPC issued
Jan 17, 2025, 1:50 PM CST
Valid from
Jan 17, 2025, 2:00 PM CST
Valid until
Jan 18, 2025, 6:00 AM CST
View the official SPC source ↗

Across Pennsylvania

The state answer uses the complete reviewed state boundary, not the highest risk among its listed cities.

Allentown ↗No area shown
Erie ↗No area shown
Harrisburg ↗No area shown
Lancaster ↗No area shown
Philadelphia ↗No area shown
Pittsburgh ↗No area shown
Pottstown ↗No area shown
Reading ↗No area shown
Scranton ↗No area shown
York ↗No area shown

Available city pages for this published outlook; the state result covers the whole state.

The full eight-day outlook

Pennsylvania · 2025

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Color has a meaning.

Five categories describe increasing severe weather risk. Thunderstorms sit outside that five-level scale. Extended outlooks use probability areas or a status for the day.

1MarginalRisk2SlightRisk3EnhancedRisk4ModerateRisk5HighRisk

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