Flash Flood Warning Southern Nassau Western Suffolk Heavy Downpours

Flash Flood Warning Southern Nassau Western Suffolk

Heavy Downpours

Long Island has a Florida feel to it today with tropical skies, an unstable atmosphere and thunderstorms with heavy downpours. This morning it was over much of Southern and Eastern Suffolk County. This afternoon Western Suffolk and Southern Nassau have been getting hammered with heavy rains.

…THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 230 PM EDT FOR
WESTERN SUFFOLK AND SOUTHERN NASSAU COUNTIES…

At 126 PM EDT, Doppler radar indicated thunderstorms producing heavy
rain across the warned area. Up to two inches of rain have already
fallen and additional rainfall is likely. Flash flooding has already
been reported in Rockville Centre and north Bellmore.

Some locations that will experience flooding include…
Levittown, Freeport, Valley Stream, Massapequa, Lynbrook, Woodmere,
Farmingdale, Hempstead, Oceanside, Baldwin, Melville, Wantagh,
Cedarhurst, Atlantic Beach and East Meadow.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

Turn around, don`t drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Please report flooding to your local law enforcement agency when you
can do so safely.

EASTERN SATELLITE LOOP

It almost looks like a sea breeze front with thunderstorms developing along and just north of it. These storms haven’t moved very much in the last hour or two. As the daytime heating continues look for some other thunderstorms to form with heavy downpours. We can see a heavy cell forming in South Queena and Brookyln while others are snaking eastward much like the path along and just north of the Southern State Parkway. Rainfall amounts on the order of several inches are possible from these thunderstorms if they sit around long enough.

You can also see the general rotation is to the northwest around the developing upper low to our west. This upper low will create a very unstable atmosphere for the next 2 days and we will likely see more convective development on Monday and Tuesday. The atmosphere looks particularly ripe for strong thunderstorms on Monday so we will be watching this closely.