Alert archive / California / Excessive Heat Warnings in 2017
Excessive Heat Warning 1, NWS San Francisco Bay Area, CA
NWS San Francisco Bay Area, CA issued this excessive heat warning at Jun 20, 2017, 1:11 PM PDT for 6 counties in California. It took effect at Jun 21, 2017, 4:36 AM PDT. It was in force for 40 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 20, 2017, 1:11 PM PDT (20:11 UTC)
- In effect from
- Jun 21, 2017, 4:36 AM PDT
- Expired
- Jun 22, 2017, 9:00 PM PDT
- In force
- 40 hr
- Issued by
- NWS San Francisco Bay Area, CA
Counties Alameda County, CA, Contra Costa County, CA, Monterey County, CA, San Mateo County, CA, Santa Clara County, CA, Santa Cruz County, CA
The radar
The San Francisco radar (KMUX), 11 km from the middle of the area, began a volume at 20:14 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 warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS San Francisco Bay Area, CA wrote its last area forecast discussion before this excessive heat warning went out at Jun 20, 10:54 AM PDT, 2 hours 17 minutes earlier.
Area forecast discussion, Jun 20, 10:54 AM PDT, 2 hours 17 minutes before
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</html>The office that day
Everything else NWS San Francisco Bay Area, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 19, 8:51 PM PDT | Small Craft Advisory | MTR | 25 hr | |
| Jun 20, 2:54 AM PDT | Gale Warning | MTR | 48 hr |
Nearby
Excessive Heat Warnings in California, 2017Every excessive heat warning in 2017
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.