Alert archive / Texas / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 57, NWS Fort Worth, TX

April 22, 20204 counties in Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Apr 22, 2020, 10:32 AM CDT for 4 counties in Texas. It was in force for 58 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 22, 2020, 10:32 AM CDT (15:32 UTC)
Expired: Apr 22, 2020, 11:30 AM CDT
In force: 58 min
Issued by: NWS Fort Worth, TX
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

Counties Bell County, TX, Falls County, TX, Milam County, TX, Robertson County, TX

The radar

The Ft Hood radar (KGRK), 52 km from the middle of the area, began a volume at 15:32 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

Fort Worth, TX (KFWD), launched 12:00Z, 3.5 hours before the alert went out and 203 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: 247 J/kg
Mixed-layer CIN: -372 J/kg
Mixed-layer LCL: 679 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 349 m²/s²
0-3 km storm-relative helicity: 308 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.5

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 22, 5:59 AM CDT, 4 hours 33 minutes earlier.

Area forecast discussion, Apr 22, 5:59 AM CDT, 4 hours 33 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 22, 6:05 AM CDT, 4 hours 27 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>

In the hours before

Special weather statement, Apr 22, 8:50 AM CDT, 1 hour 42 minutes before

Special Weather Statement
National Weather Service Fort Worth TX
850 AM CDT Wed Apr 22 2020

TXZ091-092-221430-
Cooke TX-Montague TX-
850 AM CDT Wed Apr 22 2020

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL MONTAGUE AND NORTHWESTERN
COOKE COUNTIES UNTIL 930 AM CDT...

At 849 AM CDT, Doppler radar was tracking a strong thunderstorm 7
miles north of Bellevue, while another storm was near Ringgold. Both
storms are moving northeast at 50 mph.

Dime to penny size hail will be possible with these storms.

 Locations impacted include...
Nocona and Stoneburg.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This storm may intensify, so closely monitor for additional
information or possible warnings from the National Weather Service.

&&

LAT...LON 3398 9764 3395 9759 3392 9760 3390 9758
      3392 9751 3391 9746 3382 9745 3382 9737
      3388 9733 3386 9733 3386 9732 3375 9729
      3362 9798 3387 9798 3388 9794 3385 9787
      3386 9783 3390 9778 3392 9778 3399 9769
TIME...MOT...LOC 1349Z 239DEG 45KT 3374 9802

05

Local storm report, Apr 22, 9:46 AM CDT, 46 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
946 AM CDT WED APR 22 2020

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

0921 AM     HAIL             10 N NOCONA             33.93N 97.70W
04/22/2020  E1.00 INCH       MONTAGUE           TX   PUBLIC

            QUARTER HAIL NEAR ROWLAND.

&&

Special weather statement, Apr 22, 10:26 AM CDT, 6 minutes before

Special Weather Statement
National Weather Service Fort Worth TX
1026 AM CDT Wed Apr 22 2020

TXZ158-160-174-175-221600-
Robertson TX-Falls TX-Milam TX-Bell TX-
1026 AM CDT Wed Apr 22 2020

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN ROBERTSON...NORTHERN
MILAM...SOUTHEASTERN BELL AND SOUTHERN FALLS COUNTIES UNTIL 1100 AM
CDT...

At 1026 AM CDT, Doppler radar was tracking a strong thunderstorm over
Rogers, or 14 miles northwest of Cameron, moving east at 50 mph.

Nickel size hail will be possible with this storm.

 Locations impacted include...
Cameron, Hearne, Little River-Academy, Rosebud, Rogers, Calvert,
Holland, Bremond and Buckholts.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This storm may intensify, so closely monitor for additional
information or possible warnings from the National Weather Service.

&&

LAT...LON 3099 9738 3131 9666 3089 9647 3080 9741
TIME...MOT...LOC 1526Z 249DEG 45KT 3094 9720

Bonnette

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 22, 2:09 AM CDT	Special Weather Statement	FWD	Lamar	36 min
Apr 22, 8:39 AM CDT	River Flood Warning	FWD	Hunt	13 hr
Apr 22, 8:50 AM CDT	Special Weather Statement	FWD	Montague	40 min
Apr 22, 10:26 AM CDT	Special Weather Statement	FWD	Falls	34 min
Apr 22, 11:47 AM CDT	Severe Thunderstorm Warning	FWD	Anderson, Freestone	26 min
Apr 22, 1:23 PM CDT	Areal Flood Advisory	FWD	Freestone, Leon, Limestone, Robertson	3 hr
Apr 22, 1:55 PM CDT	Severe Thunderstorm Warning	FWD	Anderson, Freestone, Leon	66 min
Apr 22, 2:14 PM CDT	Tornado Warning	FWD	Anderson, Leon	46 min
Apr 22, 2:59 PM CDT	Areal Flood Advisory	FWD	Anderson	91 min
Apr 22, 3:43 PM CDT	Severe Thunderstorm Warning	FWD	Leon	34 min
Apr 22, 4:20 PM CDT	Severe Thunderstorm Warning	FWD	Cooke, Grayson	55 min
Apr 22, 4:37 PM CDT	Areal Flood Advisory	FWD	Anderson	38 min
Apr 22, 5:05 PM CDT	Tornado Warning	FWD	Grayson	22 min
Apr 22, 5:56 PM CDT	Tornado Warning	FWD	Fannin, Lamar	49 min
Apr 22, 6:39 PM CDT	Severe Thunderstorm Warning	FWD	Lamar	66 min
Apr 22, 6:42 PM CDT	Tornado Warning	FWD	Lamar	34 min

Nearby

Severe Thunderstorm Warnings in Texas, 2020 Every severe thunderstorm warning in 2020

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.