Alert archive / California / Winter Storm Watches in 2021

Winter Storm Watch 11, NWS Hanford, CA

December 19, 20216 counties in California

NWS Hanford, CA issued this winter storm watch at Dec 19, 2021, 1:08 PM PST for 6 counties in California. It took effect at Dec 22, 2021, 4:00 AM PST. It was in force for .

The area

The counties it named.

The facts

Issued
Dec 19, 2021, 1:08 PM PST (21:08 UTC)
In effect from
Dec 22, 2021, 4:00 AM PST
Expired
Dec 20, 2021, 2:59 PM PST
In force
Issued by
NWS Hanford, CA

Counties Fresno County, CA, Kern County, CA, Madera County, CA, Mariposa County, CA, Tulare County, CA, Tuolumne County, CA

The radar

The San Joaquin Valley radar (KHNX), 62 km from the middle of the area, began a volume at 21:07 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 winter storm watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Hanford, CA wrote its last area forecast discussion before this winter storm watch went out at Dec 19, 3:50 AM PST, 9 hours 18 minutes earlier.

Area forecast discussion, Dec 19, 3:50 AM PST, 9 hours 18 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Dec 19, 6:42 AM PSTDense Fog AdvisoryHNXFresno, Kern, Kings, Madera, Merced, Tulare5 hr

Nearby

Winter Storm Watches in California, 2021Every winter storm 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.