Severe Early Morning Thunderstorms in Central New Jersey, Staten Island, Long Island and Connecticut

A upper-level shortwave trough triggered strong convection this morning in a line from central MA to near Trenton NJ. Intense lightning, loud thunder & heavy rain occurred in Perth Amboy, NJ this morning from 7:45 a.m. to 8:30 a.m., pea-sized hail occurred at 7:55 a.m.   More storms are possible this afternoon as a cold front moves across the Northeast and the NYC metro area. The NWS discussion noted:

A LINE OF THUNDERSTORMS CURRENTLY EXTENDS FROM WESTERN CT...TO NORTHERN NEW YORK CITY...AND IS PROGRESSING EAST. THESE STORMS ARE EXPECTED TO SPREAD ACROSS THE REST OF THE CWA THROUGH 14Z. SBCAPE VALUES REMAIN AROUND 1000 J/KG...WITH 0-6KM SHEAR VALUES AROUND 40KTS. POSSIBLE SEVERE THUNDERSTORMS MAY BE EMBEDDED WITHIN THIS LINE...WITH WINDS...AND SMALL HAIL...BEING THE MAIN THREATS...ESPECIALLY ACROSS SOUTHERN CT. PW VALUES AROUND 1.5 INCHES COULD LEAD TO POSSIBLE HEAVY RAIN AS WELL. THE ROUND EARLY THIS MORNING IS ASSOCIATED WITH A PASSING SHORTWAVE TROUGH. THE COLD FRONT LOOKS TO PASS THROUGH MIDDAY...CREATING THE NEXT CHC FOR SHOWER AND TSTORM DEVELOPMENT. SFC BASED CAPE VALUES REMAIN AROUND 1000 J/KG...AND WITH THE DECENT SHEAR VALUES AROUND 40 KTS PERSISTING...EXPECTING FURTHER DEVELOPMENT...THOUGH MORE SCT THAN WIDESPREAD LIKE THIS MORNING.MESO MODELS HINT AT THIS SECOND...SEPARATE DEVELOPMENT...SO ITS POSSIBLE TO SEE A SHORT BREAK AROUND NOON BEFORE THE FRONT PUSHES THROUGH WITH THE NEXT ROUND.

The NWS severe weather statement for this event is below.

SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 824 AM EDT MON JUN 25 2012 MERCER NJ-MIDDLESEX NJ-MONMOUTH NJ 824 AM EDT MON JUN 25 2012...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 AM EDT FOR MONMOUTH...SOUTHERN MIDDLESEX AND SOUTHEASTERN MERCER COUNTIES...AT 821 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 7 MILES NORTH OF NORTH MIDDLETOWN TO IMLAYSTOWN...OR ALONG A LINE EXTENDING FROM STATEN ISLAND TO 12 MILES EAST OF TRENTON...MOVING EAST AT 30 MPH. SEVERE THUNDERSTORMS WILL BE NEAR...MARLBORO...CLARKSBURG...PORT MONMOUTH AND NORTH MIDDLETOWN BY 830 AM EDT...MIDDLETOWN...HOLMDEL...WEST FREEHOLD AND LEONARDO BY 835 AM EDT...SANDY HOOK AND ADELPHIA BY 840 AM EDT...

George Wright is a Certified Consulting Meteorologist for Wright Weather Consulting, LLC. George is also a meteorologist with ABC News and Cablevision News 12. Our website is WrightWeather.com.