Alert archive / Arizona / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 87, NWS Phoenix, AZ

September 27, 1995Maricopa County, Arizona

NWS Phoenix, AZ issued this severe thunderstorm warning at Sep 27, 1995, 10:58 PM MST for Maricopa County, Arizona. It was in force for 62 min.

The area

The counties it named.

The facts

Issued: Sep 27, 1995, 10:58 PM MST (05:58 UTC)
Expired: Sep 28, 1995, 12:00 AM MST
In force: 62 min
Issued by: NWS Phoenix, AZ
Area: Whole counties

County Maricopa County, AZ

The radar

The Phoenix radar (KIWA), 77 km from the middle of the area, began a volume at 06:02 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

Tuscon, AZ (KTUS), launched 00:00Z, 6.0 hours before the alert went out and 198 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: 923 J/kg
Mixed-layer CIN: -17 J/kg
Mixed-layer LCL: 2346 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 6 m²/s²
0-3 km storm-relative helicity: 42 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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.

In the hours before

Special weather statement, Sep 27, 6:07 PM MST, 4 hours 51 minutes before

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Special weather statement, Sep 27, 9:10 PM MST, 1 hour 48 minutes before

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Special weather statement, Sep 27, 9:12 PM MST, 1 hour 46 minutes before

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Special weather statement, Sep 27, 9:50 PM MST, 1 hour 8 minutes before

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<body>
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      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
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Special weather statement, Sep 27, 9:52 PM MST, 1 hour 6 minutes before

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<head>
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</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.
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        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 Phoenix, AZ issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Sep 27, 6:38 PM MST	Severe Thunderstorm Warning	PSR	Pinal	37 min
Sep 27, 7:37 PM MST	Severe Thunderstorm Warning	PSR	Maricopa	27 min
Sep 27, 10:03 PM MST	Severe Thunderstorm Warning	PSR	Maricopa	67 min
Sep 27, 10:33 PM MST	Severe Thunderstorm Warning	PSR	Pinal	62 min
Sep 27, 11:58 PM MST	Severe Thunderstorm Warning	PSR	Maricopa	57 min
Sep 27, 11:58 PM MST	Severe Thunderstorm Warning	PSR	Yavapai	57 min
Sep 28, 12:45 AM MST	Severe Thunderstorm Warning	PSR	Yavapai	75 min
Sep 28, 1:08 AM MST	Severe Thunderstorm Warning	PSR	Pinal	67 min
Sep 28, 1:42 AM MST	Severe Thunderstorm Warning	PSR	Maricopa, Pinal	78 min
Sep 28, 2:39 AM MST	Severe Thunderstorm Warning	PSR	Yavapai	81 min
Sep 28, 2:39 AM MST	Severe Thunderstorm Warning	PSR	Maricopa	81 min
Sep 28, 4:09 AM MST	Severe Thunderstorm Warning	PSR	Maricopa	51 min
Sep 28, 6:15 AM MST	Flash Flood Warning	PSR	Gila, Graham, Pinal	2 hr
Sep 28, 6:15 AM MST	Severe Thunderstorm Warning	PSR	Gila, Pinal	70 min
Sep 28, 7:25 AM MST	Flash Flood Warning	PSR	Gila, Graham	50 min
Sep 28, 7:25 AM MST	Severe Thunderstorm Warning	PSR	Gila	50 min

Nearby

Severe Thunderstorm Warnings in Arizona, 1995 Every severe thunderstorm warning in 1995

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.