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Tropical Center

Excessive Heat Watch


Event Continued Expired

Start Time

Fri 07/19/2019 12:00 PM EDT

End Time

Sun 07/21/2019 10:00 PM EDT




Moderate impact

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 304 AM EDT Thu Jul 18 2019 NJZ001-007>010-012>014-020-026-027-PAZ054-055-060>062-101-103-105- 182100- /O.CON.KPHI.EH.A.0002.190719T1600Z-190722T0200Z/ Sussex-Warren-Morris-Hunterdon-Somerset-Middlesex- Western Monmouth-Eastern Monmouth-Ocean-Coastal Ocean- Southeastern Burlington-Carbon-Monroe-Berks-Lehigh-Northampton- Western Chester-Western Montgomery-Upper Bucks- Including the cities of Newton, Washington, Morristown, Flemington, Somerville, New Brunswick, Freehold, Sandy Hook, Jackson, Long Beach Island, Wharton State Forest, Jim Thorpe, Stroudsburg, Reading, Allentown, Bethlehem, Easton, Honey Brook, Oxford, Collegeville, Pottstown, Chalfont, and Perkasie 304 AM EDT Thu Jul 18 2019 ...EXCESSIVE HEAT WATCH REMAINS IN EFFECT FROM FRIDAY AFTERNOON THROUGH SUNDAY EVENING... * HEAT INDEX VALUES...100 to 105 on Friday afternoon, 107 to 112 on Saturday afternoon, and 101 to 106 on Sunday afternoon. * TEMPERATURES...Maximum readings in the lower and middle 90s on Friday afternoon, and in the middle and upper 90s on Saturday afternoon and Sunday afternoon. Overnight lows will range mainly in the 70s. * TIMING...The most dangerous of the heat and humidity will occur from mid afternoon into the early evening each day. * IMPACTS...The excessive heat and humidity may cause heat stress or heat stroke. The most susceptible individuals are the elderly and those with pre-existing health issues. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to the early morning or the late evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear light weight and loose fitting clothing. Drink plenty of water. To reduce your risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in a shaded or air conditioned environment. Anyone overcome by heat should be moved to a cool shaded location. Heat stroke is an emergency, call 9 1 1. An Excessive Heat Watch means that a prolonged period of dangerously hot temperatures is expected. The combination of hot temperatures and high humidity will create a DANGEROUS SITUATION. Stay in an air-conditioned environment, stay out of the sun, and check on elderly relatives and neighbors. Young children and pets should never be left unattended in a vehicle under any circumstance. This is especially true during hot weather when a car's interior can reach lethal temperatures in a matter of minutes. &&