Alert archive / Texas / Special Weather Statements in 2021

Special Weather Statement, NWS Fort Worth, TX

April 14, 2021Grayson County, Texas

NWS Fort Worth, TX issued this special weather statement at Apr 14, 2021, 9:55 PM CDT for Grayson County, Texas. It was in force for 35 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: Apr 14, 2021, 9:55 PM CDT (02:55 UTC)
Expired: Apr 14, 2021, 10:30 PM CDT
In force: 35 min
Issued by: NWS Fort Worth, TX

County Grayson County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 113 km from the middle of the area, began a volume at 02:56 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

Shreveport, LA (KSHV), launched 00:00Z, 2.9 hours before the alert went out and 314 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 557 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: -18 m²/s²
0-3 km storm-relative helicity: -6 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 Fort Worth, TX wrote its last area forecast discussion before this special weather statement went out at Apr 14, 7:59 PM CDT, 1 hour 56 minutes earlier.

Area forecast discussion, Apr 14, 7:59 PM CDT, 1 hour 56 minutes before

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Hazardous weather outlook, Apr 14, 8:06 PM CDT, 1 hour 49 minutes before

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In the hours before

Special weather statement, Apr 14, 7:08 PM CDT, 2 hours 47 minutes before

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Special weather statement, Apr 14, 8:48 PM CDT, 1 hour 7 minutes before

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Special weather statement, Apr 14, 9:55 PM 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
Apr 14, 8:48 PM CDT	Special Weather Statement	FWD	Montague	27 min
Apr 15, 9:38 AM CDT	Special Weather Statement	FWD	Stephens	37 min
Apr 15, 12:08 PM CDT	Special Weather Statement	FWD	Mills	37 min
Apr 15, 1:08 PM CDT	Severe Thunderstorm Warning	FWD	Stephens	67 min
Apr 15, 1:48 PM CDT	Special Weather Statement	FWD	Palo Pinto	27 min
Apr 15, 2:22 PM CDT	Severe Thunderstorm Warning	FWD	Lampasas, Mills	15 min
Apr 15, 3:17 PM CDT	Special Weather Statement	FWD	Comanche	28 min
Apr 15, 3:41 PM CDT	Special Weather Statement	FWD	Hamilton	34 min
Apr 15, 4:01 PM CDT	Special Weather Statement	FWD	Bell	29 min
Apr 15, 4:21 PM CDT	Special Weather Statement	FWD	Falls	24 min
Apr 15, 4:23 PM CDT	Special Weather Statement	FWD	Milam	37 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.