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Heat Advisory issued August 27 at 9:05PM PDT until August 28 at 8:00PM PDT by NWS San Diego CA · BASE INTEL

Weather · cmtcgkvez008o04l51e0285n4

Heat Advisory issued August 27 at 9:05PM PDT until August 28 at 8:00PM PDT by NWS San Diego CA

* WHAT...High temperatures in the mid 80s near the beaches to the mid to upper 90s for the mesas and other higher coastal terrain expected. Low temperatures will be mostly in the 70s. * WHERE...San Diego County Coastal Areas. * WHEN...Until 8 PM PDT Friday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.

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This report contains official claims from a government or institutional source and may not be independently verified.

Threat ModerateOfficial ClaimGovernmentConf ConfirmedUnited States · North AmericaPublishedNational Weather Service

Original publisher

National Weather Service

Original source URL

https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.f6ea879bc9040d6f5928c6f4c995234bab34ec43.008.1

Source country

United States

Reporting region

North America

Event country

United States

Language

Institution

National Weather Service

Published (UTC)

Aug 28, 2026, 4:05 AM

Ingested (UTC)

Aug 28, 2026, 4:35 AM

Verification

Official Claim

BASE INTEL aggregates public reporting. This item is not authored by BASE INTEL. Always review the original publisher before relying on the content.

Heat Advisory issued August 27 at 9:05PM PDT until August 28 at 8:00PM PDT by NWS San Diego CA
Event: Heat Advisory
Area: San Diego County Coastal Areas
Severity: Moderate
Urgency: Expected
Certainty: Likely
Effective: 2026-08-28T04:05:00.000Z
Expires: 2026-08-28T06:15:00-07:00
* WHAT...High temperatures in the mid 80s near the beaches to the mid
to upper 90s for the mesas and other higher coastal terrain
expected. Low temperatures will be mostly in the 70s.

* WHERE...San Diego County Coastal Areas.

* WHEN...Until 8 PM PDT Friday.

* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.

Instruction:
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.
Original source: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.f6ea879bc9040d6f5928c6f4c995234bab34ec43.008.1

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Related reports on this event

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Threat ModerateOfficial ClaimGovernment

Weather

Heat Advisory issued August 27 at 9:05PM PDT until August 28 at 8:00PM PDT by NWS San Diego CA

* WHAT...High temperatures in the mid 80s near the beaches to the lower to mid 90s for higher coastal terrain expected. Low temperatures mostly in the 70s. * WHERE...Orange County Coastal Areas. * WHEN...Until 8 PM PDT Friday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.

nwsweather-alertheat-advisory

National Weather ServiceUnited States · North America

Aug 28, 2026, 4:05 AM UTC