Alert archive / California / Excessive Heat Watches in 2021
Excessive Heat Watch 5, NWS San Diego, CA
NWS San Diego, CA issued this excessive heat watch at Aug 1, 2021, 12:50 PM PDT for Riverside County, San Bernardino County, San Diego County, California. It took effect at Aug 3, 2021, 10:00 AM PDT. It was in force for .
The area
The counties it named.
The facts
- Issued
- Aug 1, 2021, 12:50 PM PDT (19:50 UTC)
- In effect from
- Aug 3, 2021, 10:00 AM PDT
- Expired
- Aug 2, 2021, 11:38 AM PDT
- In force
- Issued by
- NWS San Diego, CA
Counties Riverside County, CA, San Bernardino County, CA, San Diego County, CA
The radar
The Santa Ana Mts radar (KSOX), 122 km from the middle of the area, began a volume at 19:54 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What forecasters said that day
The local office's own words before this excessive heat watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS San Diego, CA wrote its last area forecast discussion before this excessive heat watch went out at Jul 31, 1:35 PM PDT, 23 hours 15 minutes earlier.
Area forecast discussion, Jul 31, 1:35 PM PDT, 23 hours 15 minutes before
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</html>The office that day
Everything else NWS San Diego, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 31, 5:50 PM PDT | Areal Flood Advisory | SGX | Riverside, San Diego | 2 hr |
| Aug 1, 12:50 PM PDT | Heat Advisory | SGX | Riverside, San Bernardino, San Diego | 4 days |
Nearby
Excessive Heat Watches in California, 2021Every excessive heat watch in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.