Pennsylvania, 1999

Strong Wind in Pennsylvania, January 18, 1999

January 18, 1999 · NWS PHI · 2 events in 2 counties and zones

A powerful cold front accompanied by rain showers produced wind gusts of around 50 mph in the Lehigh Valley. The winds knocked down numerous limbs and wires as well as a few trees within Allentown.

Where it happened

Every event with a place to put it; 2 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.

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  • Cold
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The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
2

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS PHI wrote it up.

A powerful cold front accompanied by rain showers produced wind gusts of around 50 mph in the Lehigh Valley. The winds knocked down numerous limbs and wires as well as a few trees within Allentown. A downed limb caused 1,300 Bethlehem residents to lose power. About 3,200 Pennsylvania Power and Light residents lost power in Lehigh and Northampton Counties. The peak wind gust at the Lehigh Valley International Airport was 47 mph at 424 p.m. EST.

The radar

The national radar mosaic for the moment the first event began.

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Event by event

2 strong wind. Local standard time, as filed.

Strong Wind, Lehigh

When
January 18, 4:00 PM EST to 4:30 PM EST
Where
Lehigh forecast zone
Reported by
NEWSPAPER
Coordinates
40.613, -75.592 (the zone’s center; the record gives no point)

Strong Wind, Northampton

When
January 18, 4:20 PM EST to 4:50 PM EST
Where
Northampton forecast zone
Reported by
NEWSPAPER
Coordinates
40.754, -75.307 (the zone’s center; the record gives no point)

What these are

Strong Wind
Non-thunderstorm winds below high wind criteria that nonetheless caused damage or casualties.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Pennsylvania in 1999Every state in 1999This day in weather historyWarnings in Pennsylvania, January 1999

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 5685312, 5685313.