National Weather Service United States Department of Commerce

Early Season Heat; Late Season Snow

An early season heat wave will consume a good portion of the Eastern U.S. today through the weekend, including the Northeast, Mid-Atlantic and Ohio Valley. Numerous record high temperatures are likely and heat advisories are in effect for Boston, New York City and Philadelphia. A late season snow will impact the central Rockies and several inches of snow are possible in the Denver metro area. Read More >

Any active hazard products issued by the National Weather Service in Mount Holly should appear below.  There may be lags of up to five minutes.  A more instantaneous page can be found here.

Note:  This page is experimental and is for informational purposes only!

THE NATIONAL WEATHER SERVICE HAS ISSUED TORNADO WATCH 251 IN
EFFECT UNTIL 7 PM EDT THIS EVENING FOR THE FOLLOWING AREAS

IN DELAWARE THIS WATCH INCLUDES 1 COUNTY

IN NORTHERN DELAWARE

NEW CASTLE

IN NEW JERSEY THIS WATCH INCLUDES 13 COUNTIES

IN CENTRAL NEW JERSEY

MERCER                MONMOUTH

IN NORTHERN NEW JERSEY

HUNTERDON             MIDDLESEX             MORRIS
SOMERSET              SUSSEX                WARREN

IN SOUTHERN NEW JERSEY

BURLINGTON            CAMDEN                GLOUCESTER
OCEAN                 SALEM

IN PENNSYLVANIA THIS WATCH INCLUDES 10 COUNTIES

IN EAST CENTRAL PENNSYLVANIA

BERKS                 LEHIGH                NORTHAMPTON

IN NORTHEAST PENNSYLVANIA

CARBON                MONROE

IN SOUTHEAST PENNSYLVANIA

BUCKS                 CHESTER               DELAWARE
MONTGOMERY            PHILADELPHIA

THIS INCLUDES THE CITIES OF ALLENTOWN, BETHLEHEM, BLAIRSTOWN,
CAMDEN, CHERRY HILL, DEPTFORD, DOYLESTOWN, EAST BRUNSWICK,
EASTON, EDISON, FLEMINGTON, FREEHOLD, GLASSBORO, JIM THORPE,
MEDIA, MOORESTOWN, MORRISTOWN, MOUNT HOLLY, NEW BRUNSWICK,
NEWTON, NORRISTOWN, NORTH BRUNSWICK TOWNSHIP, PENNSVILLE,
PERTH AMBOY, PHILADELPHIA, READING, SAYREVILLE, SOMERSET,
STROUDSBURG, TOMS RIVER, TRENTON, WEST CHESTER, AND WILMINGTON.
THE NATIONAL WEATHER SERVICE HAS ISSUED TORNADO WATCH 251 IN
EFFECT UNTIL 7 PM EDT THIS EVENING FOR THE FOLLOWING AREAS

THIS WATCH INCLUDES THE FOLLOWING ADJACENT COASTAL WATERS

DELAWARE BAY WATERS NORTH OF EAST POINT NJ TO SLAUGHTER BEACH DE
...HEAT ADVISORY IN EFFECT FROM 11 AM TO 10 PM EDT SATURDAY...

* WHAT...Heat index values up to 100 expected.

* WHERE...Portions of New Jersey, southeast Pennsylvania and
  northern Delaware.

* WHEN...From 11 AM to 10 PM EDT Saturday.

* IMPACTS...Hot temperatures and high humidity may cause heat
  illnesses to occur.

* ADDITIONAL DETAILS...Another Heat Advisory may be needed for
  portions of the area on Sunday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&
...DENSE FOG ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING...

* WHAT...Dense fog will reduce visibility to 1 NM or less.

* WHERE...Portions of Atlantic coastal waters and Delaware Bay
  Waters.

* WHEN...Until 10 PM EDT this evening.

* IMPACTS...Low visibility will make navigation difficult.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must navigate, proceed with caution. Use proper fog
signals. Make sure all running lights are on. Remember to use
your radar and compass.

&&