Flash Flood, Tioga
- When
- July 21, 1:00 AM EST to 3:45 AM EST
- Where
- Tioga County, Elkland
- Reported by
- FIRE DEPT/RESCUE SQUAD
- Coordinates
- 41.772, -77.254 (the zone’s center; the record gives no point)
Flash Flood in Pennsylvania, July 21, 2006
Heavy rains produced flash flooding in and around Elkland in Tioga County. Several roads were closed due to flooding.
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
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 happened
The episode as NWS CTP wrote it up.
Heavy rains produced flash flooding in and around Elkland in Tioga County. Several roads were closed due to flooding.
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 State College, PA wrote its last area forecast discussion before the first event at Jul 20, 8:47 PM EST, 4 hours 13 minutes earlier.
Area forecast discussion, Jul 20, 8:47 PM EST, 4 hours 13 minutes before
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</html>Hazardous weather outlook, Jul 20, 4:52 AM EST, 20 hours 8 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE STATE COLLEGE PA 552 AM EDT THU JUL 20 2006 PAZ004>006-010>012-017>019-024>028-033>037-041-042-045-046- 049>053-056>059-063>066-211000- WARREN-MCKEAN-POTTER-ELK-CAMERON-NORTHERN CLINTON-CLEARFIELD- NORTHERN CENTRE-SOUTHERN CENTRE-CAMBRIA-BLAIR-HUNTINGDON-MIFFLIN- JUNIATA-SOMERSET-BEDFORD-FULTON-FRANKLIN-TIOGA-NORTHERN LYCOMING- SULLIVAN-SOUTHERN CLINTON-SOUTHERN LYCOMING-UNION-SNYDER-MONTOUR- NORTHUMBERLAND-COLUMBIA-PERRY-DAUPHIN-SCHUYLKILL-LEBANON- CUMBERLAND-ADAMS-YORK-LANCASTER- 552 AM EDT THU JUL 20 2006 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL PENNSYLVANIA. .DAY ONE...TODAY AND TONIGHT SEVERE THUNDERSTORMS ARE POSSIBLE ACROSS THE NORTHERN AND WESTERN MOUNTAINS OF PENNSYLVANIA LATE TONIGHT. LOCALIZED...DAMAGING STRAIGHT LINE WIND GUSTS WILL BE THE MAIN SEVERE WEATHER THREAT. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY LOCALLY HEAVY RAIN OVER 2 INCHES...FALLING IN JUST A SEVERAL HOUR PERIOD...COULD LEAD TO MINOR FLOODING PROBLEMS OF SOME SMALL STREAMS AND POOR DRAINAGE AREAS FRIDAY INTO EARLY SATURDAY...AS LOW PRESSURE MOVES NORTHEAST ALONG A SLOW MOVING COLD FRONT WHICH WILL BE CROSSING THE STATE. THE THREAT FOR HEAVY RAIN WILL BE HIGHEST ACROSS THE CENTRAL AND LOWER SUSQUEHANNA RIVER VALLEY. IN ADDITIONAL...SCATTERED STRONG TO SEVERE THUNDERSTORMS ARE POSSIBLE ACROSS THE LOWER SUSQUEHANNA VALLEY SATURDAY AFTERNOON. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE REQUIRED TODAY. LAMBERT
In the hours before
Special weather statement, Jul 20, 7:01 PM EST, 5 hours 59 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE STATE COLLEGE PA 801 PM EDT THU JUL 20 2006 PAZ035-210100- FULTON- 801 PM EDT THU JUL 20 2006 ...A STRONG THUNDERSTORM WILL AFFECT FULTON COUNTY... AT 752 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 3 MILES NORTHEAST OF BREEZEWOOD...MOVING SOUTHEAST AT 10 MPH. THE THUNDERSTORM WILL BE NEAR SALUVIA...SIDELING HILL REST AREA AROUND 820 PM...HARRISSONVILLE AROUND 830 PM... NEEDMORE AROUND 835 PM...MCCONNELLSBURG AROUND 850 PM AND BIG COVE TANNERY AROUND 855 PM. THIS WILL IMPACT THE FOLLOWING CENTRAL PENNSYLVANIA INTERSTATES...THE PENNSYLVANIA TURNPIKE BETWEEN MILE MARKERS 165 AND 173...I-70 BETWEEN MILE MARKERS 151 AND 154. VERY HEAVY RAIN WILL FALL FROM THIS STORM...AND WILL CAUSE WATER TO POND ON ROADS AND QUICKLY FILL ROADSIDE DITCHES AND SMALL STREAMS. WIND GUSTS TO 40 MPH ARE POSSIBLE WITH THIS STORM. FORECASTER: DEVOIR
Special weather statement, Jul 20, 7:34 PM EST, 5 hours 26 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE STATE COLLEGE PA 834 PM EDT THU JUL 20 2006 PAZ017-210130- CLEARFIELD- 834 PM EDT THU JUL 20 2006 ...A STRONG THUNDERSTORM WILL AFFECT CLEARFIELD COUNTY... AT 826 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 8 MILES NORTH OF PUNXSUTAWNEY...MOVING SOUTHEAST AT 30 MPH. THE THUNDERSTORM WILL BE NEAR TROUTVILLE AROUND 845 PM... GRAMPIAN AROUND 905 PM...LUMBER CITY AROUND 910 PM...CURWENSVILLE... HYDE AROUND 915 PM...GLEN HOPE...WOODLAND AROUND 925 PM AND JEFFRIES AROUND 930 PM. VERY HEAVY RAIN WILL FALL FROM THIS STORM...AND WILL CAUSE WATER TO POND ON ROADS AND QUICKLY FILL ROADSIDE DITCHES AND SMALL STREAMS. WIND GUSTS TO 40 MPH ARE ALSO POSSIBLE WITH THIS STORM. FORECASTER: DEVOIR
Local storm report, Jul 20, 10:14 PM EST, 2 hours 46 minutes before
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</html>Special weather statement, Jul 20, 10:20 PM EST, 2 hours 40 minutes before
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</html>Special weather statement, Jul 20, 10:31 PM EST, 2 hours 29 minutes before
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</html>Special weather statement, Jul 20, 11:26 PM EST, 1 hour 34 minutes before
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</html>The radar
The State College radar (KCCX), 113 km away, was scanning. The volume nearest the first event began at 06:01 UTC.
Event by event
1 flash flood. Local standard time, as filed.
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
- Heat in California, July 21 to 27, 2006
- Damaging Winds and Lightning Strike in Tennessee, July 21, 2006
- Damaging Wind in Illinois, July 21, 2006
- Heat in Florida, July 21, 2006
- Heat in California, July 21 to 25, 2006
- Hail and Damaging Winds in Massachusetts, July 21, 2006
- Damaging Winds in Nebraska, July 21, 2006
- Lightning Strike in Indiana, July 21, 2006
- Damaging Wind in Kentucky, July 21, 2006
- Flash Flooding and Damaging Winds in Kentucky, July 21, 2006
- Damaging Winds in Virginia, July 21, 2006
- Damaging Winds in Arkansas, July 21, 2006
More
Every storm in Pennsylvania in 2006Every state in 2006This day in weather historyWarnings in Pennsylvania, July 2006
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: 5527106.