Alert archive / Arizona / Special Weather Statements in 2014

Special Weather Statement, NWS Tucson, AZ

October 19, 2014Greenlee County, Arizona

NWS Tucson, AZ issued this special weather statement at Oct 19, 2014, 1:14 PM MST for Greenlee County, Arizona. It was in force for 46 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: Oct 19, 2014, 1:14 PM MST (20:14 UTC)
Expired: Oct 19, 2014, 2:00 PM MST
In force: 46 min
Issued by: NWS Tucson, AZ

County Greenlee County, AZ

The radar

The Tucson radar (KEMX), 188 km from the middle of the area, began a volume at 20:17 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 (KDMA), launched 12:00Z, 8.2 hours before the alert went out and 189 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: 252 J/kg
Mixed-layer CIN: -270 J/kg
Mixed-layer LCL: 2006 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: -2 m²/s²
0-3 km storm-relative helicity: 88 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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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 Oct 19, 8:46 AM MST, 4 hours 28 minutes earlier.

Area forecast discussion, Oct 19, 8:46 AM MST, 4 hours 28 minutes before

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<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.
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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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In the hours before

Special weather statement, Oct 19, 1:14 PM MST, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
114 PM MST SUN OCT 19 2014

AZZ509-510-192100-
UPPER GILA RIVER AND ARAVAIPA VALLEYS INCLUDING CLIFTON/SAFFORD
AZ-WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES INCLUDING HANNAGAN
MEADOW AZ-
114 PM MST SUN OCT 19 2014

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL GREENLEE COUNTY UNTIL 200
PM MST...

AT 107 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
AN AREA OF STRONG THUNDERSTORMS CENTERED ABOUT 5 MILES EAST OF
GUTHRIE AND CLIFTON...MOVING NORTH AT 25 MPH.

HAIL UP TO ONE-HALF INCH IN DIAMETER AND WIND GUSTS UP TO 50 MPH ARE
EXPECTED WITH THIS STORM...ALONG WITH HEAVY RAIN.

AREAS AFFECTED BY THIS STORM INCLUDE...CLIFTON AND MORENCI.

LAT...LON 3284 10906 3287 10930 3337 10947 3345 10906
TIME...MOT...LOC 2013Z 161DEG 24KT 3302 10917

GL

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 19, 2:12 PM MST	Special Weather Statement	TWC		33 min
Oct 19, 2:47 PM MST	Special Weather Statement	TWC		43 min
Oct 19, 3:01 PM MST	Special Weather Statement	TWC	Cochise	44 min
Oct 19, 3:12 PM MST	Blowing Dust Advisory	TWC	Pima, Pinal	3 hr
Oct 19, 4:01 PM MST	Special Weather Statement	TWC	Graham	44 min
Oct 19, 4:59 PM MST	Severe Thunderstorm Warning	TWC	Santa Cruz	31 min

Nearby

Special Weather Statements in Arizona, 2014 Every special weather statement in 2014

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.