Pennsylvania, 2001Flash Flood in Pennsylvania, January 31, 2001
January 31, 2001 · NWS PBZ · 1 event in 1 county or zone
1 flash flood, as filed by the National Weather Service.
Every event with a place to put it; 1 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
- Deaths
- 0
- Injuries
- 0
- Property damage
- $2.0 million
- Crop damage
- None recorded
- Events
- 1
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 forecasters said that day
The local office's own words before the first event, 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 the first event at Jan 31, 8:45 PM EST, 10 minutes earlier.
Area forecast discussion, Jan 31, 8:45 PM EST, 10 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PITTSBURGH PA
845 PM EST WED JAN 31 2001
I DONT SEE ALL THE SNOW SHOWERS DEPICTED IN 4PM FCST...SO IT HAS
BEEN UPDATED. ADDED FREEZING DRIZZLE TO NRN ZONES, SINCE DUJ ALREADY
HAS IT. DUJ RAOB DOES NOT GO BLO -12...TEMPS FROM 0 TO -8 CAN
PRODUCE SUPERSATURED DROPLETS THAT TURN INTO FREEZING DRZL IN A
HEARTBEAT. CHANGED SNOW SHWRS TO FLURRIES. TEMPS LOOKED GOOD.
NO CHANGE TO REST OF FCST.
.PBZ...
MD...NONE.
OH...NONE.
PA...NONE.
WV...NONE.
Flash Flood, Allegheny
- When
- January 31, 8:55 PM EST to 11:59 PM EST
- Where
- Allegheny County, Mc Keesport
- Property damage
- $2.0 million
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 40.469, -79.981 (the zone’s center; the record gives no point)
Ice jams moving down the Youghiogheny River produced minor flooding from Boston down to the McKeesport area. The movement of the ice itself caused the main problem, as it tore apart and destroyed 210 boat docks at the McKeesport Marina on its way out into the Monongahela River
- Flash Flood
- Flooding that begins within six hours of the rain that causes it, or of a dam or levee failure or ice jam release, often with deadly speed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
- Flash Flood in New York, January 31, 2001$100,000 · 1 event
- Heavy Snow in Maine, January 31, 200117 events
- Heavy Snow in New Hampshire, January 31, 20019 events
- Winter Weather in Vermont, January 31, 2001$8,000 · 8 events
- Winter Weather in New York, January 31, 2001$8,000 · 8 events
- High Surf in Hawaii, January 31, 20017 events
- Dense Fog in California, January 31, 20014 events
- Flash Flooding in Ohio, January 31, 20012 events
- High Wind in Alaska, January 31, 200153 kt wind · 1 event
- Flood in Indiana, January 31, 20011 event
- Flood in Oklahoma, January 31, 20011 event
- Wildfire in Hawaii, January 31, 20011 event
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: 5229604.