Alert archive / California / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 2, NWS Los Angeles, CA

February 7, 2024Santa Barbara County, California

NWS Los Angeles, CA issued this severe thunderstorm warning at Feb 7, 2024, 5:46 PM PST for Santa Barbara County, California. It was in force for 43 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: Feb 7, 2024, 5:46 PM PST (01:46 UTC)
Expired: Feb 7, 2024, 6:29 PM PST
In force: 43 min
Issued by: NWS Los Angeles, CA
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 60.0 mph

County Santa Barbara County, CA

The radar

The Vandenberg AFB radar (KVBX), 47 km from the middle of the area, began a volume at 01:51 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

San Diego, CA (KNKX), launched 00:00Z, 1.8 hours before the alert went out and 326 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1 J/kg
Mixed-layer CIN: -12 J/kg
Mixed-layer LCL: 836 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 61 m²/s²
0-3 km storm-relative helicity: 88 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 Los Angeles, CA wrote its last area forecast discussion before this severe thunderstorm warning went out at Feb 7, 5:19 PM PST, 27 minutes earlier.

Area forecast discussion, Feb 7, 5:19 PM PST, 27 minutes before

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In the hours before

Local storm report, Feb 7, 4:59 PM PST, 47 minutes before

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Local storm report, Feb 7, 5:01 PM PST, 45 minutes before

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Special weather statement, Feb 7, 5:05 PM PST, 41 minutes before

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Local storm report, Feb 7, 5:19 PM PST, 27 minutes before

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Local storm report, Feb 7, 5:25 PM PST, 21 minutes before

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        The site you requested is temporarily down for maintenance or an unexpected outage.
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        Please try again in a few minutes.
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Local storm report, Feb 7, 5:27 PM PST, 19 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.
      </p>
      <p id="message2">
        Please try again in a few minutes.
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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 Los Angeles, CA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 7, 4:09 PM PST	Special Marine Warning	LOX		66 min
Feb 7, 4:28 PM PST	Severe Thunderstorm Warning	LOX	San Luis Obispo, Santa Barbara	45 min
Feb 7, 4:43 PM PST	Special Marine Warning	LOX		47 min
Feb 7, 4:57 PM PST	Areal Flood Advisory	LOX	Santa Barbara	5 hr
Feb 7, 5:05 PM PST	Special Weather Statement	LOX	Santa Barbara	55 min
Feb 7, 5:34 PM PST	Special Marine Warning	LOX		116 min
Feb 7, 5:52 PM PST	Areal Flood Advisory	LOX	Ventura	4 hr
Feb 7, 6:10 PM PST	Special Weather Statement	LOX	Ventura	35 min
Feb 7, 6:39 PM PST	Areal Flood Advisory	LOX	Los Angeles	6 hr
Feb 7, 6:48 PM PST	Severe Thunderstorm Warning	LOX	Ventura	49 min
Feb 7, 7:15 PM PST	Flash Flood Warning Considerable damage threat	LOX	Los Angeles, Ventura	3 hr
Feb 7, 7:22 PM PST	Severe Thunderstorm Warning Considerable damage threat	LOX	Los Angeles, Ventura	83 min
Feb 7, 7:26 PM PST	Special Marine Warning	LOX		2 hr
Feb 7, 8:03 PM PST	Areal Flood Advisory	LOX	Los Angeles	52 min
Feb 7, 8:26 PM PST	Special Weather Statement	LOX	Los Angeles	64 min
Feb 7, 8:43 PM PST	Special Weather Statement	LOX	Los Angeles	47 min
Feb 7, 8:55 PM PST	Flash Flood Warning	LOX	Los Angeles	2 hr
Feb 7, 9:20 PM PST	Special Marine Warning	LOX		55 min

Nearby

Severe Thunderstorm Warnings in California, 2024 Every severe thunderstorm warning in 2024

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.