Alert archive / Arizona / Special Weather Statements in 2016

Special Weather Statement, NWS Tucson, AZ

August 5, 2016Pima County, Arizona

NWS Tucson, AZ issued this special weather statement at Aug 5, 2016, 1:08 PM MST for Pima County, Arizona. It was in force for 52 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Aug 5, 2016, 1:08 PM MST (20:08 UTC)
Expired: Aug 5, 2016, 2:00 PM MST
In force: 52 min
Issued by: NWS Tucson, AZ

County Pima County, AZ

The radar

The Phoenix radar (KIWA), 67 km from the middle of the area, began a volume at 20:11 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

Phoenix, AZ (KPSR), launched 12:00Z, 8.1 hours before the alert went out and 80 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: 894 J/kg
Mixed-layer CIN: -103 J/kg
Mixed-layer LCL: 1777 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: 46 m²/s²
0-3 km storm-relative helicity: 35 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Aug 5, 9:25 AM MST, 3 hours 43 minutes earlier.

Area forecast discussion, Aug 5, 9:25 AM MST, 3 hours 43 minutes before

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<head>
  <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.
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In the hours before

Special weather statement, Aug 5, 1:08 PM MST, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
108 PM MST FRI AUG 5 2016

AZZ502-504-505-052100-
SOUTH CENTRAL PINAL COUNTY INCLUDING ELOY/PICACHO PEAK STATE
PARK-TUCSON METRO AREA INCLUDING TUCSON/GREEN
VALLEY/MARANA/VAIL-TOHONO O'ODHAM NATION INCLUDING SELLS-
108 PM MST FRI AUG 5 2016

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN PINAL COUNTY UNTIL
200 PM MST...

AT 107 PM MST...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 18
MILES NORTHEAST OF KAKA...OR 25 MILES SOUTHWEST OF CASA
GRANDE...MOVING NORTHEAST AT 20 MPH.

VERY HEAVY RAINFALL...DIME SIZE HAIL AND WINDS IN EXCESS OF 40 MPH
WILL BE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
ELOY...WHITE HORSE PASS...NORTH KOMELIK...COCKLEBUR...KOHATK...
CHUICHU AND JACKRABBIT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HEAVY RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD TO
LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
LIGHTNING CAN STRIKE 10 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.

&&

LAT...LON 3268 11215 3272 11215 3272 11205 3276 11205
      3277 11188 3279 11188 3279 11178 3277 11178
      3276 11174 3273 11173 3273 11167 3276 11161
      3273 11152 3267 11146 3241 11195 3267 11221
TIME...MOT...LOC 2007Z 239DEG 16KT 3263 11204

CANTIN

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 5, 2:00 PM MST	Special Weather Statement	TWC	Pinal	45 min
Aug 5, 2:28 PM MST	Blowing Dust Advisory	TWC	Pima, Pinal	90 min
Aug 5, 2:42 PM MST	Special Weather Statement	TWC		48 min
Aug 5, 3:49 PM MST	Special Weather Statement	TWC	Santa Cruz	41 min
Aug 5, 4:00 PM MST	Special Weather Statement	TWC		45 min
Aug 5, 4:20 PM MST	Special Weather Statement	TWC	Pinal	25 min

Nearby

Special Weather Statements in Arizona, 2016 Every special weather statement in 2016

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.