Pennsylvania, 2000

Cold in Pennsylvania, July 31, 2000

July 31, 2000 · NWS PHI · 10 events in 10 counties and zones

July 2000 was one of the coolest Julys on record for Eastern Pennsylvania. 9 degrees below normal and was the third coolest July on record.

Where it happened

Every event with a place to put it; 7 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

Open the live radar over this ground

The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
10

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.

July 2000 was one of the coolest Julys on record for Eastern Pennsylvania. At the Lehigh Valley International Airport, the monthly mean temperature of 70.2 degrees was 3.9 degrees below normal and was the third coolest July on record. At the Philadelphia International Airport, the monthly mean temperature of 74.0 degrees was 2.7 degrees below normal. It was the 9th coolest July on record and the coolest July since 1984 when the monthly mean temperature was 73.9 degrees. It was also an unseasonably wet July around the immediate Philadelphia area and in Monroe County. The monthly rainfall total at the Philadelphia International Airport was 5.54 inches, 1.26 inches above normal. Delaware County (on a county weighted average) had the wettest July in Eastern Pennsylvania with a monthly rainfall total of around 6.0 inches.

The radar

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

Open the radar archive at this moment

Event by event

10 cold/wind chill. Local standard time, as filed.

Cold/Wind Chill, Berks

When
July 31, 11:59 PM EST
Where
Berks forecast zone
Reported by
AWOS,ASOS,MESONET,ETC
Coordinates
40.416, -75.926 (the zone’s center; the record gives no point)

Cold/Wind Chill, Bucks

When
July 31, 11:59 PM EST
Where
Bucks forecast zone
Reported by
AWOS,ASOS,MESONET,ETC

Cold/Wind Chill, Carbon

When
July 31, 11:59 PM EST
Where
Carbon forecast zone
Reported by
AWOS,ASOS,MESONET,ETC
Coordinates
40.918, -75.709 (the zone’s center; the record gives no point)

Cold/Wind Chill, Chester

When
July 31, 11:59 PM EST
Where
Chester forecast zone
Reported by
AWOS,ASOS,MESONET,ETC

Cold/Wind Chill, Delaware

When
July 31, 11:59 PM EST
Where
Delaware forecast zone
Reported by
AWOS,ASOS,MESONET,ETC
Coordinates
39.917, -75.399 (the zone’s center; the record gives no point)

Cold/Wind Chill, Lehigh

When
July 31, 11:59 PM EST
Where
Lehigh forecast zone
Reported by
AWOS,ASOS,MESONET,ETC
Coordinates
40.613, -75.592 (the zone’s center; the record gives no point)

Cold/Wind Chill, Monroe

When
July 31, 11:59 PM EST
Where
Monroe forecast zone
Reported by
AWOS,ASOS,MESONET,ETC
Coordinates
41.058, -75.339 (the zone’s center; the record gives no point)

Cold/Wind Chill, Montgomery

When
July 31, 11:59 PM EST
Where
Montgomery forecast zone
Reported by
AWOS,ASOS,MESONET,ETC

Cold/Wind Chill, Northampton

When
July 31, 11:59 PM EST
Where
Northampton forecast zone
Reported by
AWOS,ASOS,MESONET,ETC
Coordinates
40.754, -75.307 (the zone’s center; the record gives no point)

Cold/Wind Chill, Philadelphia

When
July 31, 11:59 PM EST
Where
Philadelphia forecast zone
Reported by
AWOS,ASOS,MESONET,ETC
Coordinates
40.008, -75.134 (the zone’s center; the record gives no point)

What these are

Cold/Wind Chill
Cold or wind chill below warning criteria that caused deaths, injuries or damage.

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

The same day elsewhere

More

Every storm in Pennsylvania in 2000Every state in 2000This day in weather historyWarnings in Pennsylvania, July 2000

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 2026-09-24. Each event’s entry at NCEI: 5162869, 5162870, 5162871, 5162872, 5162873, 5162874, 5162875, 5162876, 5162877, 5162878.