Alert archive / Texas / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 135, NWS Fort Worth, TX

April 26, 2016Lampasas County, Mills County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Apr 26, 2016, 10:51 PM CDT for Lampasas County, Mills County, Texas. It was in force for 54 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Apr 26, 2016, 10:51 PM CDT (03:51 UTC)
Expired: Apr 26, 2016, 11:45 PM CDT
In force: 54 min
Issued by: NWS Fort Worth, TX
Area: Storm-based polygon
Hail: 0.75 in
Wind: 65.0 mph

Counties Lampasas County, TX, Mills County, TX

The radar

The Ft Hood radar (KGRK), 121 km from the middle of the area, began a volume at 03:53 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 26, 2:32 PM CDT	Tornado Watch PDS	SPC	9 hr
Apr 26, 10:21 PM CDT	Severe Thunderstorm Watch	SPC	9 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 3.9 hours before the alert went out and 196 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: 2622 J/kg
Mixed-layer CIN: -22 J/kg
Mixed-layer LCL: 1224 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 126 m²/s²
0-3 km storm-relative helicity: 95 m²/s²
Significant tornado parameter: 1.5
Supercell composite: 11.0

Open this sounding in Storm Lab

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.

NWS Fort Worth, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 26, 10:21 PM CDT, 30 minutes earlier.

Area forecast discussion, Apr 26, 10:21 PM CDT, 30 minutes before

<!doctype html>
<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.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Hazardous weather outlook, Apr 26, 10:40 PM CDT, 11 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE FORT WORTH TX
1040 PM CDT TUE APR 26 2016

TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-280345-
MONTAGUE-COOKE-GRAYSON-FANNIN-LAMAR-YOUNG-JACK-WISE-DENTON-COLLIN-
HUNT-DELTA-HOPKINS-STEPHENS-PALO PINTO-PARKER-TARRANT-DALLAS-
ROCKWALL-KAUFMAN-VAN ZANDT-RAINS-EASTLAND-ERATH-HOOD-SOMERVELL-
JOHNSON-ELLIS-HENDERSON-COMANCHE-MILLS-HAMILTON-BOSQUE-HILL-NAVARRO-
FREESTONE-ANDERSON-LAMPASAS-CORYELL-BELL-MCLENNAN-FALLS-LIMESTONE-
LEON-MILAM-ROBERTSON-
1040 PM CDT TUE APR 26 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH AND CENTRAL TEXAS.

.DAY ONE...TONIGHT.

A LINE OF SEVERE THUNDERSTORMS WILL CONTINUE TO MOVE EAST ACROSS
NORTH AND CENTRAL TEXAS THROUGH THE OVERNIGHT HOURS. STRAIGHT
LINE WINDS WILL BE THE PRIMARY HAZARD. HOWEVER...ONE INCH HAIL AND
AN ISOLATED TORNADO WILL STILL BE POSSIBLE. ONCE THE LINE MOVES
THROUGH YOUR AREA...STORM CHANCES WILL BE DONE FOR THE NIGHT.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

NORTH AND CENTRAL TEXAS WILL REMAIN IN AN ACTIVE PATTERN INTO
EARLY NEXT WEEK. STORM CHANCES RETURN TO NORTH TEXAS LATE THURSDAY
NIGHT AND CONTINUE THROUGH SATURDAY NIGHT. SEVERE WEATHER IS
EXPECTED DURING THIS TIME...ESPECIALLY THURSDAY NIGHT AND DURING
THE DAY FRIDAY.

ADDITIONAL THUNDERSTORM CHANCES ARE EXPECTED ACROSS NORTH TEXAS ON
MONDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL LIKELY BE REQUIRED ACROSS NEARLY ALL OF
NORTH AND CENTRAL TEXAS THROUGH TONIGHT.

In the hours before

Local storm report, Apr 26, 8:51 PM CDT, 2 hours before

<!doctype html>
<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.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Local storm report, Apr 26, 9:03 PM CDT, 1 hour 48 minutes before

<!doctype html>
<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.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Local storm report, Apr 26, 9:45 PM CDT, 1 hour 6 minutes before

<!doctype html>
<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.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Local storm report, Apr 26, 9:50 PM CDT, 1 hour 1 minute before

<!doctype html>
<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.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Local storm report, Apr 26, 10:20 PM CDT, 31 minutes before

<!doctype html>
<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.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Local storm report, Apr 26, 10:38 PM CDT, 13 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
1038 PM CDT TUE APR 26 2016

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1013 PM     TSTM WND GST     SHERMAN                 33.63N  96.57W
04/26/2016  M90 MPH          GRAYSON            TX   AMATEUR RADIO

            SPOTTER REPORTS WIND GUST OF 90 MPH IN SHERMAN

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 26, 7:00 PM CDT	Severe Thunderstorm Warning	FWD	Young	60 min
Apr 26, 7:11 PM CDT	Special Weather Statement	FWD	Wise	34 min
Apr 26, 7:17 PM CDT	Severe Thunderstorm Warning	FWD	Eastland, Stephens	58 min
Apr 26, 7:42 PM CDT	Severe Thunderstorm Warning	FWD	Jack	63 min
Apr 26, 8:00 PM CDT	Severe Thunderstorm Warning	FWD	Palo Pinto, Stephens	60 min
Apr 26, 8:15 PM CDT	Severe Thunderstorm Warning	FWD	Eastland	42 min
Apr 26, 8:19 PM CDT	Severe Thunderstorm Warning	FWD	Montague	56 min
Apr 26, 8:28 PM CDT	Severe Thunderstorm Warning	FWD	Cooke	62 min
Apr 26, 8:31 PM CDT	Severe Thunderstorm Warning	FWD	Parker, Wise	59 min
Apr 26, 8:43 PM CDT	Severe Thunderstorm Warning	FWD	Comanche, Erath	50 min
Apr 26, 8:46 PM CDT	Tornado Warning	FWD	Cooke	44 min
Apr 26, 9:17 PM CDT	Severe Thunderstorm Warning	FWD	Denton, Tarrant	58 min
Apr 26, 9:33 PM CDT	Severe Thunderstorm Warning	FWD	Cooke, Grayson	57 min
Apr 26, 9:58 PM CDT	Tornado Warning	FWD	Grayson	32 min
Apr 26, 10:10 PM CDT	Tornado Warning	FWD	Grayson	18 min
Apr 26, 10:18 PM CDT	Tornado Warning Tornado observed	FWD	Fannin, Grayson	11 min
Apr 26, 11:15 PM CDT	Severe Thunderstorm Warning	FWD	Coryell, Hamilton, Lampasas	60 min
Apr 27, 12:03 AM CDT	Special Weather Statement	FWD	Lampasas	27 min
Apr 27, 12:20 AM CDT	Special Weather Statement	FWD	Van Zandt	55 min
Apr 27, 12:26 AM CDT	Severe Thunderstorm Warning	FWD	Bell, Coryell, Lampasas	64 min
Apr 27, 12:39 AM CDT	Severe Thunderstorm Warning	FWD	Henderson, Rains, Van Zandt	47 min
Apr 27, 1:14 AM CDT	Special Weather Statement	FWD	Bell	76 min
Apr 27, 1:21 AM CDT	Special Weather Statement	FWD	Anderson, Leon	54 min
Apr 27, 2:19 AM CDT	Areal Flood Advisory	FWD	Bell	3 hr
Apr 27, 2:49 AM CDT	River Flood Warning	FWD	Collin	24 hr

Nearby

Severe Thunderstorm Warnings in Texas, 2016 Every severe thunderstorm warning 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.