Alert archive / Texas / Special Weather Statements in 2021

Special Weather Statement, NWS Norman, OK

July 19, 2021Fannin County, Texas

NWS Norman, OK issued this special weather statement at Jul 19, 2021, 3:46 PM CDT for Fannin County, Texas. It was in force for . No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jul 19, 2021, 3:46 PM CDT (20:46 UTC)
Expired: Jul 19, 2021, 3:45 PM CDT
In force
Issued by: NWS Norman, OK

County Fannin County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 178 km from the middle of the area, began a volume at 20:48 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, 8.8 hours before the alert went out and 156 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: 884 J/kg
Mixed-layer CIN: -61 J/kg
Mixed-layer LCL: 982 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: 80 m²/s²
0-3 km storm-relative helicity: 60 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 Norman, OK wrote its last area forecast discussion before this special weather statement went out at Jul 19, 2:38 PM CDT, 1 hour 8 minutes earlier.

Area forecast discussion, Jul 19, 2:38 PM CDT, 1 hour 8 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.
      </p>
      <p id="message2">
        Please try again in a few minutes.
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Hazardous weather outlook, Jul 19, 11:24 AM CDT, 4 hours 22 minutes before

Hazardous Weather Outlook
National Weather Service Norman OK
1124 AM CDT Mon Jul 19 2021

OKZ004>048-050>052-TXZ083>090-201630-
Harper-Woods-Alfalfa-Grant-Kay-Ellis-Woodward-Major-Garfield-
Noble-Roger Mills-Dewey-Custer-Blaine-Kingfisher-Logan-Payne-
Beckham-Washita-Caddo-Canadian-Oklahoma-Lincoln-Grady-McClain-
Cleveland-Pottawatomie-Seminole-Hughes-Harmon-Greer-Kiowa-Jackson-
Tillman-Comanche-Stephens-Garvin-Murray-Pontotoc-Coal-Cotton-
Jefferson-Carter-Johnston-Atoka-Love-Marshall-Bryan-Hardeman-
Foard-Wilbarger-Wichita-Knox-Baylor-Archer-Clay-
1124 AM CDT Mon Jul 19 2021

This hazardous weather outlook is for portions of northern...
western...central...and southern Oklahoma...and western north
Texas.

.DAY ONE...This Afternoon and Tonight...

.Thunderstorms...
Showers and thunderstorms will remain possible today across
portions of western Oklahoma, southern Oklahoma, and western
north Texas. A few of these storms may produce gusty winds and
heavy localized rainfall, with flooding as the only hazard.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday...

.Thunderstorms...
There is a chance for thunderstorms across southeast Oklahoma on
Friday and Saturday afternoons.

Get graphics and more details at weather.gov/norman...and follow
our weather forecast office on Twitter and Facebook.

In the hours before

Local storm report, Jul 19, 2:11 PM CDT, 1 hour 35 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
211 PM CDT MON JUL 19 2021

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

1000 AM     FLASH FLOOD      1 N PONTOTOC            34.49N 96.62W
07/19/2021                   JOHNSTON           OK   CO-OP OBSERVER

            ONE FOOT OF FLOWING WATER OVER ROADWAY.

&&

RBARNES

Special weather statement, Jul 19, 3:46 PM CDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE Norman OK
346 PM CDT Mon Jul 19 2021

OKZ052-192045-
Bryan OK-
346 PM CDT Mon Jul 19 2021

...SIGNIFICANT WEATHER ADVISORY FOR southeastern Bryan County Until
345 PM CDT...

AT 328 PM CDT, strong thunderstorms were along a line extending from
12 miles north of Honey Grove to 4 miles north of Ravenna, moving
southwest at 30 MPH.

HAZARDS INCLUDE...
Wind gusts to 50 MPH...
Minor flooding in areas of poor drainage...

LAT...LON 3387 9592 3385 9598 3387 9600 3386 9600
      3384 9602 3386 9603 3384 9604 3384 9615
      3382 9615 3381 9618 3380 9618 3381 9616
      3376 9618 3375 9622 3377 9629 3370 9632
      3369 9636 3388 9629 3388 9588 3386 9587
TIME...MOT...LOC 2028Z 34DEG 25KT 3376 9594 3373 9624

WR

The office that day

Everything else NWS Norman, OK issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 18, 7:02 PM CDT	Severe Thunderstorm Warning	OUN	Tillman	43 min
Jul 18, 7:06 PM CDT	Special Weather Statement	OUN	Cleveland	24 min
Jul 18, 7:19 PM CDT	Areal Flood Advisory	OUN	Cleveland	4 hr
Jul 18, 7:23 PM CDT	Areal Flood Advisory	OUN	Atoka, Coal, Hughes	4 hr
Jul 18, 7:27 PM CDT	Special Weather Statement	OUN	Grady	33 min
Jul 18, 7:36 PM CDT	Special Weather Statement	OUN	Beckham	24 min
Jul 18, 7:58 PM CDT	Special Weather Statement	OUN	Pontotoc	32 min
Jul 18, 8:21 PM CDT	Special Weather Statement	OUN	Greer	24 min
Jul 18, 8:56 PM CDT	Special Weather Statement	OUN	Jackson, Kiowa	49 min
Jul 18, 8:58 PM CDT	Special Weather Statement	OUN	Carter, Garvin, Murray	32 min
Jul 18, 9:20 PM CDT	Severe Thunderstorm Warning	OUN	Johnston, Marshall	28 min
Jul 18, 9:59 PM CDT	Special Weather Statement	OUN	Tillman	61 min
Jul 18, 10:03 PM CDT	Areal Flood Advisory	OUN	Carter, Garvin, Johnston, McClain, Murray, Pottawatomie	4 hr
Jul 18, 10:10 PM CDT	Areal Flood Advisory	OUN	Harmon, Jackson	5 hr
Jul 18, 10:49 PM CDT	Special Weather Statement	OUN	Pottawatomie	26 min
Jul 19, 12:18 AM CDT	Areal Flood Advisory	OUN	Caddo, Comanche, Grady	3 hr
Jul 19, 1:03 AM CDT	Areal Flood Advisory	OUN	Comanche	3 hr
Jul 19, 4:01 AM CDT	Areal Flood Advisory	OUN	Carter, Jefferson, Love, Marshall, Murray, Stephens	5 hr
Jul 19, 7:46 AM CDT	Areal Flood Advisory	OUN	Johnston, Pontotoc	3 hr
Jul 19, 8:12 AM CDT	Flash Flood Warning	OUN	Johnston, Pontotoc	3 hr
Jul 18, 10:20 PM CDT	Special Weather Statement	OUN	Foard	25 min
Jul 18, 11:40 PM CDT	Special Weather Statement	OUN	Archer, Baylor, Clay, Wichita	50 min
Jul 19, 12:22 AM CDT	Areal Flood Advisory	OUN	Archer, Baylor	3 hr
Jul 19, 12:49 AM CDT	Areal Flood Advisory	OUN	Archer, Wichita	3 hr

Nearby

Special Weather Statements in Texas, 2021 Every special weather statement in 2021

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.