Well, that's interesting.

As I was driving in to work, the sky just looked really weird. Looked like the sun was setting to the east, and nightfall was coming up from the west. Yes, I know, it was clouds, not some rotation switch. Then later, I read this, which confirms my "weird weather day" diagnosis.

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE UPTON NY
121 PM EDT WED SEP 27 2006

CTZ009>012-NYZ078-079-271845-
NORTHEAST SUFFOLK-NORTHWEST SUFFOLK-SOUTHERN FAIRFIELD-SOUTHERN
MIDDLESEX-SOUTHERN NEW HAVEN-SOUTHERN NEW LONDON-
121 PM EDT WED SEP 27 2006

...SPECIAL WEATHER STATEMENT FOR WATERSPOUTS FOR
FAIRFIELD...MIDDLESEX...NEW HAVEN...NEW LONDON AND SUFFOLK
COUNTIES...

AT 110 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
LINE OF CONVECTIVE SHOWERS 10 MILES NORTH OF THE NORTH SHORE OF
WESTERN AND CENTRAL SUFFOLK COUNTY...MOVING NORTHEAST AT 5 MPH.

THIS CONVECTIVE ACTIVITY HAS HAD A HISTORY OF PRODUCING WATERSPOUTS
OVER LONG ISLAND SOUND. ANY WATERSPOUTS THAT DEVELOP WILL MAINLY
TRACK OVER THE OPEN WATERS. A WATERSPOUT IS CAPABLE OF CAPSIZING A
SMALL BOAT.