Excessive Heat Warning in NJ

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Excessive Heat Warning in NJ

Excessive Heat Warning

EXCESSIVE HEAT WARNING IN EFFECT FOR PARTS OF NJ UNTIL 8 PM WEDNESDAY

WHAT...Dangerously hot conditions with heat index values up to 110.

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

WHEN...Until 8 PM EDT Wednesday.

IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.

PRECAUTIONARY/PREPAREDNESS ACTIONS
  • Drink plenty of fluids
  • Stay in an air-conditioned room
  • Stay out of the sun
  • Check up on relatives and neighbors
  • Maximum heat index values ranging from 100 to 110 for many inland areas

    mainpoints

    According to the National Weather Service, dangerously hot and humid conditions are expected to continue Wednesday across most of the region (90% confidence within the warning and advisory areas).

    The threat for heat related illnesses is higher within the warned area due to the combination of excessive heat and high humidity.

    There is up to a 70% chance for storms Wednesday into early Thursday as the remnant low of Beryl tracks northwest of our region. Storms during this period will be capable of heavy rain leading to flash flooding. The highest risk is along and northwest of the Interstate 78 corridor.

    If storms arrive early enough on Wednesday afternoon, there is a Marginal Risk (Level 1 out of 5) for severe weather near and northwest of the I-95 corridor.

    The primary threat in this case would be straight-line damaging wind gusts.

     Another period of storms is expected beginning late Thursday night/early Friday and continuing into early Saturday. The chance for storms in this period is up to 80%. The primary hazard with this period is also heavy rain leading to flash flooding.

    Risk for heavy rain exists across most of the region in this period with the highest risk in the Philadelphia metro and areas south and east.

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