Alert archive / California / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 70, NWS Phoenix, AZ

November 28, 2019Riverside County, California

NWS Phoenix, AZ issued this severe thunderstorm warning at Nov 28, 2019, 4:45 PM PST for Riverside County, California. It was in force for 30 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
Nov 28, 2019, 4:45 PM PST (00:45 UTC)
Expired
Nov 28, 2019, 5:15 PM PST
In force
30 min
Issued by
NWS Phoenix, AZ
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Riverside County, CA

The radar

The San Diego radar (KNKX), 134 km from the middle of the area, began a volume at 00:47 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 severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Phoenix, AZ wrote its last area forecast discussion before this severe thunderstorm warning went out at Nov 28, 2:16 PM PST, 2 hours 29 minutes earlier.

Area forecast discussion, Nov 28, 2:16 PM PST, 2 hours 29 minutes before
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In the hours before

Local storm report, Nov 28, 3:36 PM PST, 1 hour 9 minutes before
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <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">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

The office that day

Everything else NWS Phoenix, AZ issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 28, 4:51 PM PSTSevere Thunderstorm WarningPSRLa Paz24 min
Nov 28, 5:15 PM PSTSevere Thunderstorm WarningPSRLa Paz45 min
Nov 28, 5:16 PM PSTSevere Thunderstorm WarningPSRLa Paz44 min
Nov 28, 6:30 PM PSTAreal Flood AdvisoryPSRLa Paz4 hr
Nov 28, 6:52 PM PSTFlash Flood WarningPSRLa Paz, Yuma8 hr
Nov 28, 6:59 PM PSTFlash Flood WarningPSRLa Paz, Yuma6 hr
Nov 28, 8:53 PM PSTFlash Flood WarningPSRLa Paz, Yuma4 hr
Nov 28, 10:20 PM PSTAreal Flood AdvisoryPSRLa Paz, Yuma4 hr
Nov 28, 10:36 PM PSTFlash Flood WarningPSRLa Paz4 hr
Nov 28, 11:04 PM PSTFlash Flood WarningPSRLa Paz, Maricopa5 hr
Nov 28, 11:27 PM PSTAreal Flood AdvisoryPSRYuma4 hr
Nov 29, 12:24 AM PSTFlash Flood WarningPSRMaricopa7 hr
Nov 29, 1:01 AM PSTFlash Flood WarningPSRMaricopa, Yuma5 hr
Nov 29, 1:34 AM PSTSevere Thunderstorm WarningPSRMaricopa26 min
Nov 29, 1:42 AM PSTFlash Flood WarningPSRMaricopa6 hr
Nov 29, 1:55 AM PSTAreal Flood AdvisoryPSRMaricopa3 hr
Nov 29, 2:27 AM PSTFlash Flood WarningPSRMaricopa5 hr
Nov 29, 2:45 AM PSTSevere Thunderstorm WarningPSRMaricopa, Pinal30 min
Nov 29, 3:01 AM PSTTornado WarningPSRMaricopa14 min
Nov 29, 3:18 AM PSTAreal Flood AdvisoryPSRMaricopa, Pinal3 hr
Nov 29, 3:41 AM PSTSevere Thunderstorm WarningPSRMaricopa, Pinal34 min
Nov 29, 3:44 AM PSTTornado WarningPSRMaricopa, Pinal12 min
Nov 29, 3:57 AM PSTAreal Flood WarningPSRLa Paz, Maricopa, Yuma6 hr
Nov 29, 4:07 AM PSTFlash Flood WarningPSRGila, Maricopa, Pinal6 hr
Nov 29, 4:12 AM PSTAreal Flood AdvisoryPSRMaricopa, Pinal3 hr
Nov 29, 4:18 AM PSTSevere Thunderstorm WarningPSRPinal27 min
Nov 29, 6:12 AM PSTAreal Flood AdvisoryPSRMaricopa, Pinal3 hr
Nov 29, 6:22 AM PSTFlash Flood WarningPSRGila, Pinal4 hr
Nov 29, 7:10 AM PSTAreal Flood WarningPSRMaricopa6 hr
Nov 29, 7:33 AM PSTAreal Flood WarningPSRMaricopa6 hr
Nov 29, 7:53 AM PSTAreal Flood WarningPSRGila36 hr
Nov 29, 10:14 AM PSTAreal Flood WarningPSRGila, Maricopa, Pinal3 hr
Nov 29, 12:31 PM PSTSpecial Weather StatementPSRPinal29 min
Nov 29, 1:12 PM PSTSpecial Weather StatementPSRPinal33 min
Nov 29, 1:45 PM PSTSpecial Weather StatementPSRPinal30 min
Nov 28, 5:22 PM PSTAreal Flood AdvisoryPSRImperial, Riverside3 hr
Nov 28, 5:54 PM PSTFlash Flood WarningPSRImperial4 hr
Nov 28, 9:59 PM PSTAreal Flood WarningPSRImperial6 hr

Nearby

Severe Thunderstorm Warnings in California, 2019Every severe thunderstorm warning in 2019

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.