Alert archive / Texas / Special Weather Statements in 2016

Special Weather Statement, NWS Amarillo, TX

June 30, 2016Armstrong County, Texas

NWS Amarillo, TX issued this special weather statement at Jun 30, 2016, 3:16 PM CDT for Armstrong County, Texas. It was in force for 44 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
Jun 30, 2016, 3:16 PM CDT (20:16 UTC)
Expired
Jun 30, 2016, 4:00 PM CDT
In force
44 min
Issued by
NWS Amarillo, TX

County Armstrong County, TX

The radar

The Amarillo radar (KAMA), 40 km from the middle of the area, began a volume at 20:15 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

Amarillo Airport, TX (KAMA), launched 12:00Z, 8.3 hours before the alert went out and 39 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, Amarillo Airport, TX at 12:00Z on 2016-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 255 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, Amarillo Airport, TX at 12:00Z on 2016-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 square meters per square second.193958Sfc1 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
255 J/kg
Mixed-layer CIN
-159 J/kg
Mixed-layer LCL
1600 m above ground
0-6 km bulk shear
4 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
-22 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 Amarillo, TX wrote its last area forecast discussion before this special weather statement went out at Jun 30, 12:49 PM CDT, 2 hours 27 minutes earlier.

Area forecast discussion, Jun 30, 12:49 PM CDT, 2 hours 27 minutes before
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    <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>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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        Please try again in a few minutes.
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Hazardous weather outlook, Jun 30, 3:25 AM CDT, 11 hours 51 minutes before
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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.
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      <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, Jun 30, 2:26 PM CDT, 50 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX
226 PM CDT THU JUN 30 2016

TXZ018-302015-
ARMSTRONG TX-
226 PM CDT THU JUN 30 2016

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL ARMSTRONG COUNTY UNTIL
315 PM CDT...

AT 225 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 9
MILES SOUTHWEST OF CLAUDE...MOVING EAST AT 25 MPH.

DIME SIZE HAIL AND WIND GUSTS OF 50 TO 55 MPH WILL BE POSSIBLE WITH
THIS STORM.

LOCATIONS IMPACTED INCLUDE...
WAYSIDE AND GOODNIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3477 10159 3509 10154 3508 10116 3478 10126
TIME...MOT...LOC 1925Z 234DEG 41KT 3502 10149

ANDRADE
Special weather statement, Jun 30, 3:16 PM CDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX
316 PM CDT THU JUN 30 2016

TXZ018-302100-
ARMSTRONG TX-
316 PM CDT THU JUN 30 2016

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN ARMSTRONG COUNTY
UNTIL 400 PM CDT...

AT 316 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 6
MILES NORTH OF WAYSIDE...OR 18 MILES SOUTHWEST OF CLAUDE...MOVING
SOUTH SOUTHWEST AT 15 MPH.

DIME SIZE HAIL AND WIND GUSTS OF 50 TO 55 MPH WILL BE POSSIBLE WITH
THIS STORM.

LOCATIONS IMPACTED INCLUDE...
WAYSIDE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE SHELTER IN A STURDY BUILDING IF THREATENING WEATHER APPROACHES.

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

&&

LAT...LON 3502 10162 3507 10130 3475 10125 3475 10163
TIME...MOT...LOC 2016Z 062DEG 11KT 3488 10155

ANDRADE

The office that day

Everything else NWS Amarillo, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 29, 7:12 PM CDTSpecial Weather StatementAMADeaf Smith48 min
Jun 29, 9:52 PM CDTSpecial Weather StatementAMADallam38 min
Jun 29, 10:20 PM CDTSpecial Weather StatementAMASherman55 min
Jun 29, 11:06 PM CDTSpecial Weather StatementAMAHansford, Sherman69 min
Jun 30, 2:26 PM CDTSpecial Weather StatementAMAArmstrong49 min
Jun 30, 3:29 PM CDTSpecial Weather StatementAMADeaf Smith46 min
Jun 30, 3:47 PM CDTSpecial Weather StatementAMAArmstrong28 min
Jun 30, 4:20 PM CDTSpecial Weather StatementAMADonley40 min
Jun 30, 4:36 PM CDTSevere Thunderstorm WarningAMAArmstrong, Carson, Donley, Gray43 min
Jun 30, 5:02 PM CDTSpecial Weather StatementAMAArmstrong, Carson58 min
Jun 30, 5:29 PM CDTRiver Flood WarningAMAArmstrong16 hr
Jun 30, 5:33 PM CDTSpecial Weather StatementAMAPotter42 min
Jun 30, 5:50 PM CDTSpecial Weather StatementAMAGray25 min
Jun 30, 6:13 PM CDTSpecial Weather StatementAMAOchiltree32 min
Jun 30, 6:22 PM CDTSpecial Weather StatementAMAPotter, Randall53 min
Jun 29, 9:09 PM CDTSpecial Weather StatementAMACimarron51 min
Jun 29, 9:36 PM CDTSpecial Weather StatementAMACimarron54 min
Jun 30, 2:01 AM CDTSpecial Weather StatementAMABeaver59 min
Jun 30, 2:58 AM CDTSpecial Weather StatementAMABeaver62 min

Nearby

Special Weather Statements in Texas, 2016Every 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.