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.
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.
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 May 30, 1:05 PM EST, 1 hour 55 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE STATE COLLEGE 205 PM EDT THU MAY 30 2002 TSTMS FIRING OFF THE LK SHORE AND WHERE DECREPIT BOUNDARIES EXIST FM OVERNIGHT/EARLY MORNING CONVECTION ALONG AND N OF I-80. TALL CU OV HIGHEST TERRAIN ELSEWHERE IN THE REGION AS WELL. S/B TOUGH TO GET THINGS TO TURN SVR THIS AFTN...AS WBZERO PRETTY HIGH (LOW CHC SVR HAIL)...AND ENVIRONMENTAL WINDS VERY LIGHT (NO DOWNWARD MIXING OF HIGHER-SPEED WINDS/MOMENTUM). BUT...THE HEAVY RAIN THREAT IS PRESENT ALREADY...AND WL POST AN FFA FOR AREAS N OF UNV AND IPT...INCLDG CLEARFIELD CO...FOR TONIGHT OWEING TO RECENT RAFL. FIRST FEW PDS WL REMAIN PRETTY CONSISTENT WITH PREV FCSTS. S/W PROGGD TO ROLL THRU UPR GLS THIS EVENING WL BRING A BETTER CHC SHRA TO MOST OF FA (EXCEPT SE THIRD) BY SUNRISE FRIDAY. THEN COLD FRONT WITH FAVORABLE JET DYNAMICS TO CHARGE IN FOR THE AFTN. DIR SHEAR/HELICITY ON FCST HODOGRAPHS LOOKS TO BE VERY LIMITED...AND THEREFORE THE MAIN THREAT S/B SHORT LINE BOWS...AS LLJ INCREASES TO 30-40 KTS...BUT FM ALMOST DUE WEST DURING PEAK HEATING/FROPA. THIS SHUD KEEP THINGS BUSY...BUT ALSO KEEP THE STORMS MOVING TMRW...AS OPPOSED TO THE SLOW MOVING HEAVY RAINERS WE WL SEE THIS EVENING. PWS NOT PROGGED TO INCREASE MUCH IN 24 HRS...SO THE SPEED OF MOVEMENT OF CELLS SHUD KEEP HEAVY RAIN THREAT TO A MIN TMRW. SAT LOOKS TO DRY OUT NICELY...BUT WL HV TO ENDURE A SVR WX DAY BEFORE WE GET THERE. XTNDD: SAT NIGHT...WAA AND ASSOCD LIGHT PCPN APPCHS FM WEST WHILE A SECONDARY CD FNT TRIES TO DROP INTO THE STATE FM THE NORTH. SUN WL BE DECENT WITH INCREASING CLDS. REST OF TIME LOOKS LIKE A HODGE-PODGE OF WEATHER...AS A WEAKER WAVE ROLLS IN FM THE WEST FOR MONDAY AND THEN A MORE OVER-RUNNING TYPE EVENT COMES IN FOR MID-WEEK (WED NITE/THUR). .CTP...FFA (FLASH FLOOD WATCH) FOR N CENTRAL MTNS TONIGHT. DANGELO
The State College radar (KCCX), 46 km away, was scanning. The volume nearest the first event began at 19:59 UTC.
1 flash flood. Local standard time, as filed.
Heavy rains caused significant runoff from area hills onto area roads, causing several to be flooded and closed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Pennsylvania in 2002Every state in 2002This day in weather historyWarnings in Pennsylvania, May 2002
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: 5292989.