1 tornado, as filed by the National Weather Service.
Every event with a place to put it. 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 27, 2:20 PM EST, 5 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE STATE COLLEGE PA 320 PM EDT SUN MAY 27 2001 BAND OF SHOWERS AND STORMS AHEAD OF VORT MAX SHOULD EXIT OUR EASTERN ZONES WITHIN THE NEXT COUPLE OF HOURS. MAY KEEP THE MENTION OF AN EVENING TSTM OVER THE LOWER SUSQ. ALSO...SPOTTY CONVECTION HAS RE-FIRED OVER WESTERN PA...WHERE SUN HAS BEEN OUT. A FEW OF THESE STORMS COULD MOVE INTO OUR WESTERN ZONES THIS EVENING. FOR THE REST OF THE NIGHT...UPPER LO DRIFTS EAST...BRINGING AREA OF SOLID OVERCAST AND SHOWERS INTO THE NW MTNS. WILL GO WITH JUST "PTCLDY" FOR THE REST OF THE REGION WITH LOW POPS TONIGHT. UPPER LOW PASSES TO THE NORTH OF PA ON MONDAY...BRINGING A GOOD DEAL OF CLOUDS AND SHOWERS TO THE NORTHERN TIER OF PA. FURTHER SOUTH...A FAIR AMOUNT OF SUNSHINE IS POSSIBLE...ESPECIALLY EARLY. THEN...A FEW AFTN SHOWERS BECOME POSSIBLE WITH DIURNAL HEATING. ONE LAST S/WV ROTATES INTO AREA LATE TUESDAY...BRINGING THE CHANCE OF AN AFTN SHOWER OR STORM...THEN UPPER LO FINALLY LIFTS OUT BRINGING A PERIOD OF FAIR BUT COOL WX FOR MID WEEK. WORK ZONES ALREADY SENT AS PHLWRKMIS. .CTP...SVR THUNDERSTORM WATCH EASTERN PA UNTIL 7 PM. FITZGERALD
PAZ027-028-037-041-042-045-046-049>053-056>059-063>066-272300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE STATE COLLEGE PA 109 PM EDT SUN MAY 27 2001 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 700 PM EDT SUNDAY EVENING FOR THE FOLLOWING COUNTIES IN CENTRAL PENNSYLVANIA... LEBANON...MONTOUR...NORTHUMBERLAND...UNION...SULLIVAN...JUNIATA... NORTHERN LYCOMING...PERRY...TIOGA...DAUPHIN...LANCASTER... CUMBERLAND...ADAMS...SCHUYLKILL...YORK...COLUMBIA...SNYDER...SOUTHERN LYCOMING...SOUTHERN CLINTON AND MIFFLIN. AT 105 PM EDT A BROKEN LINE OF STRONG THUNDERSTORMS WAS MOVING ACROSS CENTRAL PENNSYLVANIA. THE STORMS WILL LIKELY INCREASE IN INTENSITY AS THEY MOVE NORTHEAST ACROSS THE SUSQUEHANNA VALLEY DURING THE MID TO LATE AFTERNOON HOURS. REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS THAT THERE IS THE POTENTIAL FOR SOME THUNDERSTORMS TO PRODUCE DAMAGING WIND GUSTS OF 58 MPH OR MORE...AND OR HAIL OF THREE QUARTERS OF AN INCH IN DIAMETER OR LARGER. LAMBERT/FITZGERALD
The national radar mosaic for the moment the first event began.
1 tornado. Local standard time, as filed.
A brief touchdown of an F0 tornado in a field. No damage reported. Path length was 100 yards and width 35 yards.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Pennsylvania in 2001Every state in 2001This day in weather historyThe tornado archive for Pennsylvania, 2001Warnings in Pennsylvania, May 2001
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: 5247690.