Alert archive / California / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 12, NWS Sacramento, CA

August 19, 2017Tuolumne County, California

NWS Sacramento, CA issued this severe thunderstorm warning at Aug 19, 2017, 3:39 PM PDT for Tuolumne County, California. It was in force for 51 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 19, 2017, 3:39 PM PDT (22:39 UTC)
Expired
Aug 19, 2017, 4:30 PM PDT
In force
51 min
Issued by
NWS Sacramento, CA
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Tuolumne County, CA

The radar

The Sacramento radar (KDAX), 159 km from the middle of the area, began a volume at 22:40 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.

The office that day

Everything else NWS Sacramento, CA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 19, 2:26 PM PDTSpecial Weather StatementSTOAlpine49 min
Aug 19, 2:56 PM PDTSpecial Weather StatementSTOTuolumne49 min
Aug 19, 3:54 PM PDTSpecial Weather StatementSTOAlpine51 min

Nearby

Severe Thunderstorm Warnings in California, 2017Every severe thunderstorm 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.