Alert archive / Arizona / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 63, NWS Phoenix, AZ

September 6, 1995Pinal County, Arizona

NWS Phoenix, AZ issued this severe thunderstorm warning at Sep 6, 1995, 2:05 PM MST for Pinal County, Arizona. It was in force for 65 min.

The area

The counties it named.

The facts

Issued
Sep 6, 1995, 2:05 PM MST (21:05 UTC)
Expired
Sep 6, 1995, 3:10 PM MST
In force
65 min
Issued by
NWS Phoenix, AZ
Area
Whole counties

County Pinal County, AZ

The nearest sounding before it

Tuscon, AZ (KTUS), launched 12:00Z, 9.1 hours before the alert went out and 92 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, Tuscon, AZ at 12:00Z on 1995-09-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1909 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, Tuscon, AZ at 12:00Z on 1995-09-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -28 square meters per square second.1939Sfc1 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
1909 J/kg
Mixed-layer CIN
-163 J/kg
Mixed-layer LCL
1431 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
-28 m²/s²
0-3 km storm-relative helicity
-6 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 6, 12:15 PM MST, 1 hour 50 minutes before
AZZ004-001-002-062100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PHOENIX AZ
1215 PM MST WED SEP 06 1995

...STRONG THUNDERSTORMS OVER NORTHWEST AND WEST CENTRAL ARIZONA...

AT 1210 PM MST...PHOENIX DOPPLER RADAR WAS SHOWN STRONG THUNDERSTORMS
IN MOHAVE AND YAVAPAI COUNTIES. THE STRONGEST THUNDERSTORMS APPEAR TO
BE NORTHWEST OF PRESCOTT OVER THE PRESCOTT NATIONAL FOREST. ANOTHER
AREA OF STRONG THUNDERSTORMS WERE LOCATED ALONG HIGHWAY 89...
SOUTHWEST OF PRESCOTT AND NORTH OF YARNELL. THESE THUNDERSTORMS WERE
MOVING FROM THE WEST-NORTHWEST AT ABOUT 20 MPH...AND DO HAVE THE
POTENTIAL FOR PRODUCING HEAVY RAIN...DANGEROUS LIGHTNING...AND SMALL
HAIL.

PERSONS DRIVING IN THESE AREAS SHOULD BE ON THE ALERT FOR REDUCED
VISIBILITY DUE TO HEAVY RAIN. ALSO...LOCAL ROAD FLOODING COULD MAKE
DRIVING DIFFICULT.

BERKOVITZ
Special weather statement, Sep 6, 1:25 PM MST, 40 minutes before
AZZ004-062200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PHOENIX AZ
125 PM MST WED SEP 06 1995

...SCATTERED THUNDERSTORMS CONTINUING ACROSS YAVAPAI COUNTY...

AT 120 PM MST...PHOENIX DOPPLER RADAR INDICATED SCATTERED
THUNDERSTORMS CONTINUING ACROSS YAVAPAI COUNTY.  THE STRONGEST
ACTIVITY ON RADAR AT THIS TIME WAS LOCATED JUST TO THE NORTH OF CROWN
KING.  MOVEMENT WAS SLOWLY TO THE NORTHEAST AT LESS THAN 10 MPH.

HEAVY RAINFALL...FREQUENT DANGEROUS LIGHTNING...SMALL HAIL...AND
STRONG GUSTY WINDS ARE LIKELY WITH THESE STORMS.  SINCE THESE STORMS
ARE MOVING SLOWLY AND PRODUCING HEAVY RAINFALL...SOME FLOODING OF
WASHES AND LOW WATER CROSSINGS ARE POSSIBLE.

RADAR DERIVED RAINFALL ESTIMATES INDICATE THAT AS MUCH AS 3 INCHES OF
RAIN MAY HAVE FALLEN TO THE NORTH OF CROWN KING DURING THE PAST HOUR.
MOTORISTS ARE DISCOURAGED FROM TRAVELLING IN THIS AREA TODAY.  IF YOU
ENCOUNTER A FLOODED STRETCH OF ROADWAY...DO NOT CROSS IT.  THE WATER
MAY BE DEEPER THAN IT APPEARS.

STAY TUNED TO NOAA WEATHER RADIO...OR LOCAL RADIO AND TV STATIONS FOR
LATER STATEMENTS OR POSSIBLE WARNINGS.

KOCH
Special weather statement, Sep 6, 1:58 PM MST, 7 minutes before
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Special weather statement, Sep 6, 2:00 PM MST, 5 minutes before
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  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
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  <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.
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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 Phoenix, AZ issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 6, 1:52 PM MSTFlash Flood WarningPSRYavapai113 min
Sep 6, 1:52 PM MSTSevere Thunderstorm WarningPSRYavapai113 min
Sep 6, 4:39 PM MSTFlash Flood WarningPSRYavapai61 min
Sep 6, 4:39 PM MSTFlash Flood WarningPSRMaricopa61 min
Sep 6, 4:39 PM MSTSevere Thunderstorm WarningPSRYavapai61 min
Sep 6, 4:39 PM MSTSevere Thunderstorm WarningPSRMaricopa61 min

Nearby

Severe Thunderstorm Warnings in Arizona, 1995Every 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.