Alert archive / California / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 2, NWS Hanford, CA

January 10, 2023Fresno County, Madera County, California

NWS Hanford, CA issued this severe thunderstorm warning at Jan 10, 2023, 1:53 PM PST for Fresno County, Madera County, California. It was in force for 37 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
Jan 10, 2023, 1:53 PM PST (21:53 UTC)
Expired
Jan 10, 2023, 2:30 PM PST
In force
37 min
Issued by
NWS Hanford, CA
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Fresno County, CA, Madera County, CA

The radar

The San Joaquin Valley radar (KHNX), 75 km from the middle of the area, began a volume at 21:54 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.

The nearest sounding before it

Oakland, CA (KOAK), launched 12:00Z, 9.9 hours before the alert went out and 235 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Oakland, CA at 12:00Z on 2023-01-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 24 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Oakland, CA at 12:00Z on 2023-01-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 6 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
24 J/kg
Mixed-layer CIN
-17 J/kg
Mixed-layer LCL
1000 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
6 m²/s²
0-3 km storm-relative helicity
-8 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Jan 10, 2:00 AM PST, 11 hours 53 minutes earlier.

Area forecast discussion, Jan 10, 2:00 AM PST, 11 hours 53 minutes before
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In the hours before

Local storm report, Jan 10, 11:21 AM PST, 2 hours 32 minutes before
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Special weather statement, Jan 10, 11:40 AM PST, 2 hours 13 minutes before
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Special weather statement, Jan 10, 12:53 PM PST, 1 hour before
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    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
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Local storm report, Jan 10, 1:13 PM PST, 40 minutes before
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Special weather statement, Jan 10, 1:23 PM PST, 30 minutes before
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      <h1 id="headline">This service is currently unavailable.</h1>
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Special weather statement, Jan 10, 1:51 PM PST, 2 minutes before
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      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
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      <p id="message2">
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      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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The office that day

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

IssuedProductOfficeCountiesLasted
Jan 9, 6:23 PM PSTAreal Flood WarningHNXFresno5 hr
Jan 9, 6:44 PM PSTAreal Flood AdvisoryHNXKern3 hr
Jan 9, 8:12 PM PSTAreal Flood WarningHNXMariposa, Merced3 hr
Jan 9, 8:20 PM PSTAreal Flood AdvisoryHNXKern, Tulare3 hr
Jan 9, 8:37 PM PSTAreal Flood AdvisoryHNXFresno3 hr
Jan 10, 4:37 AM PSTSpecial Weather StatementHNXKings23 min
Jan 10, 7:41 AM PSTSpecial Weather StatementHNXTulare49 min
Jan 10, 7:47 AM PSTSpecial Weather StatementHNX28 min
Jan 10, 9:11 AM PSTSpecial Weather StatementHNX49 min
Jan 10, 11:19 AM PSTSpecial Weather StatementHNXMadera26 min
Jan 10, 11:40 AM PSTSpecial Weather StatementHNXMadera, Mariposa35 min
Jan 10, 12:53 PM PSTSpecial Weather StatementHNXMadera22 min
Jan 10, 1:08 PM PSTAreal Flood AdvisoryHNXMadera, Mariposa, Merced3 hr
Jan 10, 1:23 PM PSTSpecial Weather StatementHNXMadera22 min
Jan 10, 1:51 PM PSTSpecial Weather StatementHNXMadera24 min
Jan 10, 2:28 PM PSTSpecial Weather StatementHNXMadera32 min
Jan 10, 2:58 PM PSTSpecial Weather StatementHNXMadera32 min
Jan 10, 3:19 PM PSTSpecial Weather StatementHNXFresno41 min
Jan 10, 3:22 PM PSTSpecial Weather StatementHNX23 min
Jan 10, 3:45 PM PSTSpecial Weather StatementHNX30 min

Nearby

Severe Thunderstorm Warnings in California, 2023Every severe thunderstorm warning in 2023

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.