Alert archive / Arizona / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 75, NWS Tucson, AZ

July 28, 2026Pima County, Arizona

NWS Tucson, AZ issued this severe thunderstorm warning at Jul 28, 2026, 2:18 AM MST for Pima County, Arizona. It was in force for 42 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
Jul 28, 2026, 2:18 AM MST (09:18 UTC)
Expired
Jul 28, 2026, 3:00 AM MST
In force
42 min
Issued by
NWS Tucson, AZ
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Pima County, AZ

The radar

The Tucson radar (KEMX), 112 km from the middle of the area, began a volume at 09:19 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 Tucson, AZ wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 28, 1:00 AM MST, 1 hour 18 minutes earlier.

Area forecast discussion, Jul 28, 1:00 AM MST, 1 hour 18 minutes before
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In the hours before

Local storm report, Jul 27, 10:05 PM MST, 4 hours 13 minutes before
Preliminary Local Storm Report
National Weather Service Tucson AZ
1005 PM MST Mon Jul 27 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1003 PM     Rain             3 N Bisbee              31.44N 109.92W
07/27/2026  M1.46 Inch       Cochise            AZ   Public

            Rain gauge measured 1.46 inches of rainfall
            in 30 minutes in Bisbee.

&&

DVS
Local storm report, Jul 27, 10:11 PM MST, 4 hours 7 minutes before
Preliminary Local Storm Report
National Weather Service Tucson AZ
1011 PM MST Mon Jul 27 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1005 PM     Rain             11 SE Sierra Vista      31.45N 110.18W
07/27/2026  M0.95 Inch       Cochise            AZ   Trained Spotter

            Spotter reported 0.95 inches of rain in 20
            minutes.

&&

AH
Local storm report, Jul 27, 10:15 PM MST, 4 hours 3 minutes before
Preliminary Local Storm Report
National Weather Service Tucson AZ
1015 PM MST Mon Jul 27 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0956 PM     Rain             4 NNW Bisbee            31.46N 109.94W
07/27/2026  M1.18 Inch       Cochise            AZ   Mesonet

            Mesonet station BTAA3 Bisbee Tunnel.

&&

DVS
Local storm report, Jul 27, 10:34 PM MST, 3 hours 44 minutes before
Preliminary Local Storm Report
National Weather Service Tucson AZ
1034 PM MST Mon Jul 27 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1033 PM     Rain             12 SE Sierra Vista      31.44N 110.18W
07/27/2026  M3.00 Inch       Cochise            AZ   Trained Spotter

            Trained Spotter reported 3 inches over the
            past hour ending at 1030 PM MST.

&&

DVS
Local storm report, Jul 28, 1:10 AM MST, 1 hour 8 minutes before
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        Please try again in a few minutes.
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      <p class="small" id="detail">
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Local storm report, Jul 28, 1:11 AM MST, 1 hour 7 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 Tucson, AZ issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 27, 6:09 PM MSTAreal Flood AdvisoryTWCPima3 hr
Jul 27, 6:39 PM MSTSevere Thunderstorm WarningTWCPima51 min
Jul 27, 6:40 PM MSTFlash Flood WarningTWCPima2 hr
Jul 27, 8:39 PM MSTFlood WatchTWCCochise, Graham, Pima, Santa Cruz8 hr
Jul 27, 9:33 PM MSTSevere Thunderstorm WarningTWCCochise42 min
Jul 27, 9:57 PM MSTFlash Flood Warning Considerable damage threatTWCCochise3 hr
Jul 27, 10:11 PM MSTSevere Thunderstorm WarningTWCCochise49 min
Jul 27, 10:31 PM MSTFlash Flood Warning Considerable damage threatTWCCochise2 hr
Jul 27, 11:02 PM MSTFlash Flood WarningTWCSanta Cruz106 min
Jul 27, 11:33 PM MSTSevere Thunderstorm WarningTWCSanta Cruz42 min
Jul 28, 12:59 AM MSTSevere Thunderstorm WarningTWCGraham46 min
Jul 28, 1:26 AM MSTSevere Thunderstorm WarningTWCCochise49 min
Jul 28, 7:54 AM MSTAreal Flood AdvisoryTWCCochise3 hr
Jul 28, 11:22 AM MSTAreal Flood WarningTWCCochise6 hr
Jul 28, 1:33 PM MSTSevere Thunderstorm WarningTWCGreenlee42 min
Jul 28, 2:10 PM MSTFlash Flood WarningTWCGreenlee3 hr

Nearby

Severe Thunderstorm Warnings in Arizona, 2026Every severe thunderstorm warning in 2026

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.