National Weather Service National Headquarters

• Home
• Site Map
• News
• Organization
• Search for: NWS All NOAA 

000
NOUS41 KOKX 021028
PNSOKX
CTZ005>012-NJZ002-004-006-103>108-NYZ067>075-078>081-176>179-031000-

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE NEW YORK NY
630 AM EDT THU MAY 2 2013

...THIS IS SEVERE WEEK 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 FROM JUNE THROUGH
AUGUST. THEY 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 UP TO 110 MPH. THEIR PATH LENGTH
AND WIDTH ARE USUALLY SMALL. MOST WEAK TORNADOES OCCUR WITHIN AREAS
OF RAIN... MAKING THEM DIFFICULT TO SPOT.

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...

12 IN UNION COUNTY
 8 IN BERGEN COUNTY
 3 IN PASSAIC COUNTY
 2 IN ESSEX COUNTY AND
 1 IN HUDSON COUNTY.

FOR SOUTHERN CONNECTICUT...

14 IN NEW HAVEN COUNTY
14 IN FAIRFIELD 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 A FEW HOURS. A TORNADO WATCH
MEANS THAT WEATHER CONDITIONS ARE FAVORABLE FOR THE POTENTIAL
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. LAST YEAR...WE CORRECTLY DETECTED AND
WARNED FOR ALL 3 TORNADOES WITH AN AVERAGE LEAD TIME OF 10 MINUTES.
OUR OFFICE USES A COMBINATION OF WEATHER RADAR AND VOLUNTEER SKYWARN
SPOTTER OBSERVATIONS TO ISSUE WARNINGS. TAKE IMMEDIATE PROTECTIVE
ACTION TO SAVE YOUR LIFE.

FRIDAY`S STATEMENT COVERS FLASH FLOODS.

$$