Pennsylvania, 2001

Flash Flood in Pennsylvania, June 23, 2001

June 23, 2001 · NWS BGM · 1 event in 1 county or zone

1 flash flood, as filed by the National Weather Service.

Where it happened

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

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The toll

Deaths
0
Injuries
0
Property damage
None recorded
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 Binghamton, NY wrote its last area forecast discussion before the first event at Jun 23, 12:55 AM EST, 7 hours 38 minutes earlier.

Area forecast discussion, Jun 23, 12:55 AM EST, 7 hours 38 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BINGHAMTON NY
155 AM EDT SAT JUN 23 2001

SLOW MOVG CDFNT CONTINUES TO BE THE FOCUS FOR +RA AS THE MDLS ARE IN
GOOD AGREEMENT BRINGING A LOW UP THE FNT TDA WITH MDT TO HEAVY PCPN.
SUBTLE DIFFS IN THE MDLS AS TO WHERE THE AXIS OF HEAVIEST PCPN WILL
SET UP BUT THINK THAT BEST AXIS WILL BE OVER CNTRL AND WRN ZONES
ERLY THIS MRNG RUFLY NEAR A SYR TO ELM LINE...SHIFTING EWD DURNG THE
MRNG AND ERLY AFTN TO THE WRN CATSKILLS. THE WRN CATSKILLS HAVE NOT
SEEN MUCH PCPN OVER THE LAST FEW DAYS. GREATER FLOOD THREAT MAY BE
ALONG THE I-81 CORRIDOR WHERE SOME GOOD AMTS HAVE FALLEN OVER THE
PAST 24 HRS AND WHERE SOME FLOODING HAS ALREADY BEEN OBSERVED.

SAVING GRACE MAY BE THE TIMING OF THE BEST DYNAMICS...WHICH WILL BE
COMING THROUGH LATER THIS MRNG AND ERLY AFTN DURING WHAT IS USUALLY
THE DIURNAL LULL FOR CONVECTION AND BEFORE MAX HEATING. BUT
OBVIOUSLY STILL POTNL FOR SOME +RA GIVEN THE STRONG DYNAMICS...WITH
FLOODING THREAT SPCLY OVER AREAS WHICH HAVE BEEN PRIMED OVER THE
LAST FEW DAYS. BOTTOM LINE...WILL CONTINUE WITH FFA FOR THE ENTIRE
RGN AND LIKELY/CAT POPS.

SLOW IMPVMNT BEGINS TNGT ALTHO SHOWERS COULD PERSIST DURING  HE
EVNG HRS ACRS ERN AND NE ZONES. PATCHY FOG LOOKS LIKE A GOOD BET.
WILL CONTINUE WITH PARTLY SUNNY OR MIX SUN/CLDS ON SUNDAY AS MSTR
CONTINUES TO SLOWLY PULL OUT...MAYBE MORE CLDS ACRS ERN ZONES.

SOME DIFFS IN THE MDLS FOR MONDAY. ETA/AVN SHOW AN INVERTED TROF
NEAR THE ERN SEABOARD...BUT THE AVN HAS THE TROF INLAND OVER JERSEY
AND SE NY WHILE THE ETA IS OFFSHORE WITH THE FEATURE. AVN PUSHES THE
WEAKENING SFC TROF WWD INTO THE RGN ON MONDAY BUT IF THE ETA
VERIFIES THE TROF WOULD REMAIN OUT OF THE AREA. SINCE THE UPR LVL
CUTOFF/TROF WILL BE RETROGRADING...THE AVN SOLUTION CANT BE RULED
OUT...AND THE SFC TROF COULD BE THE TRIGGER FOR SOME SCT AFTN
CONVECTION. WILL ET THE CRNT FCST OF PTLY CLDY SKIES RIDE FOR NOW
AND LET DAYSHIFT DETERMINE IF WE NEED TO ADD CHC POPS FOR MONDAY.

.BGM...FLASH FLOOD WATCH ALL ZONES TODAY.

BRADY

The radar

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

Open the radar archive at this moment

Event by event

1 flash flood. Local standard time, as filed.

Flash Flood, Bradford

When
June 23, 8:33 AM EST to 2:30 PM EST
Where
Bradford County, Countywide
Reported by
EMERGENCY MANAGER
Coordinates
41.789, -76.515 (the zone’s center; the record gives no point)

Emergency management officals reported numerous road closures due to flash flooding from heavy thunderstorm rains. A mudslide was also reported in Asylum.

What these are

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.

The same day elsewhere

More

Every storm in Pennsylvania in 2001Every state in 2001This day in weather historyWarnings in Pennsylvania, June 2001

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: 5253037.