Alert archive / Texas / Special Weather Statements in 2021

Special Weather Statement, NWS Fort Worth, TX

May 4, 2021Van Zandt County, Texas

NWS Fort Worth, TX issued this special weather statement at May 4, 2021, 1:23 AM CDT for Van Zandt County, Texas. It was in force for 37 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: May 4, 2021, 1:23 AM CDT (06:23 UTC)
Expired: May 4, 2021, 2:00 AM CDT
In force: 37 min
Issued by: NWS Fort Worth, TX

County Van Zandt County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 137 km from the middle of the area, began a volume at 06:24 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 00:00Z, 6.4 hours before the alert went out and 137 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: 3299 J/kg
Mixed-layer CIN: -10 J/kg
Mixed-layer LCL: 1213 m above ground
0-6 km bulk shear: 58 kt
0-1 km storm-relative helicity: 150 m²/s²
0-3 km storm-relative helicity: 143 m²/s²
Significant tornado parameter: 2.6
Supercell composite: 13.9

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 Fort Worth, TX wrote its last area forecast discussion before this special weather statement went out at May 4, 12:49 AM CDT, 34 minutes earlier.

Area forecast discussion, May 4, 12:49 AM CDT, 34 minutes before

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Hazardous weather outlook, May 4, 12:06 AM CDT, 1 hour 17 minutes before

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In the hours before

Local storm report, May 3, 10:18 PM CDT, 3 hours 5 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
1018 PM CDT MON MAY 3 2021

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

1005 PM     HAIL             3 SSW LAWRENCE          32.70N 96.37W
05/03/2021  E0.75 INCH       KAUFMAN            TX   PUBLIC

            REPORT FROM MPING: DIME (0.75 IN.).

&&

Local storm report, May 3, 11:03 PM CDT, 2 hours 20 minutes before

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Local storm report, May 3, 11:09 PM CDT, 2 hours 14 minutes before

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Local storm report, May 4, 12:13 AM CDT, 1 hour 10 minutes before

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Local storm report, May 4, 12:24 AM CDT, 59 minutes before

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Special weather statement, May 4, 1:23 AM CDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
May 3, 7:03 PM CDT	Flash Flood Warning	FWD	Hood, Johnson, Parker	117 min
May 3, 7:07 PM CDT	Severe Thunderstorm Warning	FWD	Collin, Dallas, Denton	53 min
May 3, 7:17 PM CDT	Tornado Warning	FWD	Hill, Johnson	43 min
May 3, 7:17 PM CDT	Tornado Warning	FWD	Collin	43 min
May 3, 7:28 PM CDT	Severe Thunderstorm Warning	FWD	Hill, Johnson	62 min
May 3, 7:29 PM CDT	Severe Thunderstorm Warning	FWD	Collin, Cooke, Denton, Fannin, Grayson	61 min
May 3, 7:48 PM CDT	Severe Thunderstorm Warning	FWD	Collin, Fannin, Grayson, Hunt	42 min
May 3, 7:56 PM CDT	Severe Thunderstorm Warning	FWD	Ellis	64 min
May 3, 8:00 PM CDT	Tornado Warning	FWD	Ellis, Johnson	30 min
May 3, 8:04 PM CDT	Severe Thunderstorm Warning	FWD	Johnson, Somervell, Tarrant	26 min
May 3, 8:07 PM CDT	Tornado Warning	FWD	Ellis, Hill, Johnson	38 min
May 3, 8:29 PM CDT	Severe Thunderstorm Warning	FWD	Johnson	61 min
May 3, 8:45 PM CDT	Tornado Warning	FWD	Ellis	45 min
May 3, 8:55 PM CDT	Severe Thunderstorm Warning	FWD	Ellis, Hill	65 min
May 3, 9:01 PM CDT	Severe Thunderstorm Warning	FWD	Dallas, Ellis, Kaufman	59 min
May 3, 9:11 PM CDT	Severe Thunderstorm Warning	FWD	Cooke, Denton, Grayson	35 min
May 3, 9:13 PM CDT	Tornado Warning	FWD	Ellis, Kaufman	22 min
May 3, 9:29 PM CDT	Severe Thunderstorm Warning	FWD	Hill, Navarro	31 min
May 3, 9:36 PM CDT	Severe Thunderstorm Warning	FWD	Grayson	24 min
May 3, 9:49 PM CDT	Severe Thunderstorm Warning	FWD	Ellis, Henderson, Hill, Kaufman, Navarro, Van Zandt	71 min
May 3, 9:53 PM CDT	Severe Thunderstorm Warning	FWD	Bell, Coryell, Lampasas	67 min
May 3, 9:59 PM CDT	Severe Thunderstorm Warning	FWD	Ellis	48 min
May 3, 10:03 PM CDT	Severe Thunderstorm Warning	FWD	Stephens, Young	41 min
May 3, 10:25 PM CDT	Severe Thunderstorm Warning	FWD	Bosque, Coryell, Hamilton	37 min
May 3, 10:33 PM CDT	Severe Thunderstorm Warning	FWD	Van Zandt	42 min
May 3, 10:36 PM CDT	Severe Thunderstorm Warning	FWD	Delta, Hopkins, Hunt, Lamar, Rains	54 min
May 3, 10:48 PM CDT	Severe Thunderstorm Warning	FWD	Bell, Falls, McLennan	43 min
May 3, 10:59 PM CDT	Severe Thunderstorm Warning	FWD	Henderson, Kaufman, Van Zandt	44 min
May 4, 12:18 AM CDT	Severe Thunderstorm Warning	FWD	Henderson, Kaufman, Navarro, Van Zandt	57 min
May 4, 8:08 AM CDT	River Flood Warning	FWD	Ellis, Navarro	52 hr
May 4, 8:31 AM CDT	Severe Thunderstorm Warning	FWD	Robertson	59 min

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.