Public Information Statement
Issued by NWS Upton, NY

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000 NOUS41 KOKX 301103 PNSOKX CTZ005>012-NJZ002-004-006-103>108-NYZ067>075-078>081-176>179-011000- PUBLIC INFORMATION STATEMENT NATIONAL WEATHER SERVICE NEW YORK NY 702 AM EDT THU APR 30 2015 ...THIS IS SEVERE WEATHER AWARENESS WEEK... THE NATIONAL WEATHER SERVICE IN PARTNERSHIP WITH SEVERAL AGENCIES INCLUDING THE NY STATE DISASTER PREPAREDNESS COMMISSION IS PROMOTING SEVERE WEATHER SAFETY FOR ALL PEOPLE. THIS STATEMENT COVERS TORNADOES IN THE TRI STATE AREA. A TORNADO IS A RAPIDLY ROTATING COLUMN OF AIR...EXTENDING DOWN FROM A CLOUD WITH A CIRCULATION THAT REACHES THE GROUND. TORNADOES DEVELOP FROM SEVERE THUNDERSTORMS. CLIMATOLOGICALLY...THEY OCCUR MOST FREQUENTLY DURING THE LATE AFTERNOON AND EARLY EVENING FROM JUNE THROUGH AUGUST. HOWEVER...THEY CAN OCCUR AT ANYTIME OF DAY. THEY OFTEN DEVELOP AND DISSIPATE RAPIDLY. THEIR INTENSITIES ARE USUALLY WEAK IN OUR REGION...EF 0 AND EF 1 ON THE ENHANCED FUJITA SCALE...REPRESENTING WIND SPEEDS FROM 65 TO 110 MPH. THEIR PATH LENGTH AND WIDTH ARE USUALLY SMALL IN OUR AREA AS WELL. MOST WEAK TORNADOES OCCUR WITHIN AREAS OF RAIN... MAKING THEM DIFFICULT TO SPOT. HOWEVER...THE AREA ON OCCASION DOES EXPERIENCE A SIGNIFICANT TORNADO...ONE RATING EF 2 OR HIGHER ON THE ENHANCED FUJITA SCALE. THE STRONGEST TORNADO TO IMPACT THE TRI-STATE WAS AN F4 TORNADO WITH ESTIMATED WINDS OF 207-260 MPH IN HAMDEN CONNECTICUT ON JULY 10 1989. THE LAST TIME THERE WAS AN EF 2 TORNADO IN THE TRI-STATE WAS ON AUGUST 8 2007...WHEN AN EF2 TORNADO...WITH ESTIMATED WINDS OF 111 TO 135 MPH...MOVED THROUGH THE BAY RIDGE SECTION OF BROOKLYN. THE NUMBER OF TORNADOES CONFIRMED BY THE NWS SINCE 1950... FOR SOUTHEAST NEW YORK... 22 IN SUFFOLK COUNTY 12 IN NEW YORK CITY 11 IN ORANGE COUNTY 9 IN WESTCHESTER COUNTY 8 IN NASSAU COUNTY 4 IN PUTNAM COUNTY AND 2 IN ROCKLAND COUNTY. FOR NORTHEAST NEW JERSEY... 13 IN UNION COUNTY 9 IN BERGEN COUNTY 3 IN PASSAIC COUNTY 2 IN ESSEX COUNTY AND 1 IN HUDSON COUNTY. FOR SOUTHERN CONNECTICUT... 15 IN FAIRFIELD COUNTY 15 IN NEW HAVEN COUNTY 8 IN MIDDLESEX COUNTY AND 2 IN NEW LONDON COUNTY. THE NWS STORM PREDICTION CENTER IN NORMAN OKLAHOMA ISSUES TORNADO WATCHES...WITH A LEAD TIME OF UP TO SIX HOURS. A TORNADO WATCH MEANS THAT WEATHER CONDITIONS ARE FAVORABLE FOR THE DEVELOPMENT OF TORNADOES IN AND AROUND A DEFINED AREA. OUR NWS OFFICE IN LONG ISLAND NY ISSUES TORNADO WARNINGS FOR...11 SOUTHEAST NY COUNTIES COVERING THE LOWER HUDSON VALLEY...NEW YORK CITY AND LONG ISLAND...5 NORTHEAST NEW JERSEY COUNTIES AND 4 SOUTHERN CONNECTICUT COUNTIES. OUR OFFICE USES A COMBINATION OF WEATHER RADAR AND OBSERVATIONS FROM LAW ENFORCEMENT AND VOLUNTEER SKYWARN SPOTTERS TO ISSUE WARNINGS. TAKE IMMEDIATE PROTECTIVE ACTION TO SAVE YOUR LIFE. TOMORROW WE WILL COVER FLASH FLOODS. $$

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