Excessive heat to welcome summer - The CW San Diego - News 8

Warnings

excessive heat
San Diego County Deserts, CA

CAZ061-062-222130-
/O.CON.KSGX.EH.W.0003.000000T0000Z-180623T0300Z/
Coachella Valley-San Diego County Deserts-
Including the cities of Indio, Palm Springs, Cathedral City,
Palm Desert, Palm Desert Country, La Quinta, Coachella,
and Borrego Springs
302 AM PDT Fri Jun 22 2018

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS
EVENING...

* High Temperatures...108 to 114.

* Impacts...An Excessive Heat Warning means that a prolonged
period of heat will create a dangerous situation in which heat
illnesses are possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids...avoid outdoor activities in the middle
of the day...take advantage of air-conditioning...and check up on
relatives and neighbors. Young children and pets should never be
left unattended in vehicles under any circumstances. This is
especially true during warm weather when car interiors can reach
lethal temperatures in a matter of minutes.

Take extra precautions...When possible...reschedule strenuous
outdoor activities to early morning or evening. Know the signs
and symptoms of heat exhaustion and heat stroke. Wear light
weight and loose fitting clothing when possible and drink plenty
of water.

&&

$$

Excessive heat to welcome summer

Weather Update: Friday, June 22, 2018 (4:18 a.m.)

High pressure over Northern Mexico will warm temperatures Friday. Coastal areas cooler due to weak onshore flow. Cooler weekend for the County due to a low pressure trough moving through the Great Basin. Weak and shallow marine layer Friday may still be slow to clear. Excessive heat warning in effect for San Diego County deserts through Friday evening.

A Detailed Look at June 22nd:

  • Low rip current risk. Water temperature 65-68. Short period west swell, building south swell. Heights 1-3 ft.
  • High temperatures Friday warm, well above average. Coastal highs 68-75, normal around 72. Inland highs 78-86, normal around 78. Mountain highs 89-98, normal around 79. Desert highs 109-116, normal around 104. Excessive heat warning in effect until 8:00 PM Friday evening. This means prolonged period of heat will create an elevated risk of heat illness.
  • High pressure located over Northern Baja California will warm temperatures Friday. Sinking air associated with the high will create hot and dry conditions, increasing the risk of heat illness. Weak onshore flow will keep coastal areas relatively cool and help moderate heat in the inland valleys.
  • A shallow marine layer extending inland creates increased risk of fog Friday morning. Low cloud bases around 1100 ft above sea level at 3 AM Friday morning, expected to decrease a few hundred feet before sunrise. Weak onshore flow will make clouds difficult to dissipate once again. Clouds expected to scatter inland, linger along the coast this afternoon.

The Week Ahead:

  • Low pressure will weaken high pressure this weekend, pushing the high eastward as it weakens. This will enhance onshore wind flow in the region. This onshore flow will cool temperatures by several degrees in the inland communities this weekend. Marine layer will also strengthen this weekend, helping cool temperatures and increasing cloud persistence. Limited cloud clearing is expected in the afternoon for the inland areas.
  • Slight warming is expected for the earlier parts of the coming week as a weak high pressure passes through the region. Temperatures will 
  • Low pressure is bound for the West Coast during the latter part of next week. This will bring cooler temperatures to San Diego County through the next weekend. Night and morning low clouds and fog are possible for coastal to inland areas.
WEATHER TWEETS
SAN DIEGO WEB CAMS
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