Alert archive / Texas / Special Weather Statements in 2021

Special Weather Statement, NWS Fort Worth, TX

April 27, 2021Young County, Texas

NWS Fort Worth, TX issued this special weather statement at Apr 27, 2021, 10:47 PM CDT for Young County, Texas. It was in force for 28 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 27, 2021, 10:47 PM CDT (03:47 UTC)
Expired
Apr 27, 2021, 11:15 PM CDT
In force
28 min
Issued by
NWS Fort Worth, TX

County Young County, TX

The radar

The Dyess AFB radar (KDYX), 87 km from the middle of the area, began a volume at 03:51 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, 3.8 hours before the alert went out and 128 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-pSkew-T log-p diagram, Fort Worth, TX at 00:00Z on 2021-04-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 692 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Fort Worth, TX at 00:00Z on 2021-04-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 197 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
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
692 J/kg
Mixed-layer CIN
-275 J/kg
Mixed-layer LCL
967 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
197 m²/s²
0-3 km storm-relative helicity
388 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

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 27, 8:04 PM CDT, 2 hours 43 minutes earlier.

Area forecast discussion, Apr 27, 8:04 PM CDT, 2 hours 43 minutes before
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Hazardous weather outlook, Apr 27, 3:23 PM CDT, 7 hours 24 minutes before
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In the hours before

Special weather statement, Apr 27, 10:12 PM CDT, 35 minutes before
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Special weather statement, Apr 27, 10:47 PM CDT, 0 minutes before
Special Weather Statement
National Weather Service Fort Worth TX
1047 PM CDT Tue Apr 27 2021

TXZ100-280415-
Young TX-
1047 PM CDT Tue Apr 27 2021

...SIGNIFICANT WEATHER ADVISORY FOR YOUNG COUNTY UNTIL 1115 PM CDT...

At 1047 PM CDT, Doppler radar was tracking a strong thunderstorm 9
miles northeast of Crystal Falls, or 15 miles southwest of Graham,
moving east at 40 mph.

Half inch hail and winds in excess of 40 mph will be possible with
this storm.

 Locations impacted include...
Graham and Newcastle.

A Severe Thunderstorm Watch remains in effect until 300 AM CDT for
north central Texas.

LAT...LON 3319 9895 3335 9842 3324 9842 3301 9844
      3301 9843 3295 9843 3296 9895
TIME...MOT...LOC 0347Z 250DEG 34KT 3301 9881

79

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 27, 10:12 PM CDTSpecial Weather StatementFWDYoung33 min
Apr 27, 11:14 PM CDTSpecial Weather StatementFWDJack31 min
Apr 27, 11:57 PM CDTSpecial Weather StatementFWDMontague33 min
Apr 28, 3:46 AM CDTSevere Thunderstorm WarningFWDStephens, Young59 min
Apr 28, 4:27 AM CDTSevere Thunderstorm WarningFWDJack, Palo Pinto, Stephens, Young63 min
Apr 28, 4:50 AM CDTSpecial Weather StatementFWDJack, Young25 min
Apr 28, 5:36 AM CDTSpecial Weather StatementFWDPalo Pinto24 min
Apr 28, 6:01 AM CDTSpecial Weather StatementFWDJack29 min
Apr 28, 6:44 AM CDTSpecial Weather StatementFWDStephens31 min
Apr 28, 7:10 AM CDTSevere Thunderstorm WarningFWDPalo Pinto, Stephens65 min
Apr 28, 7:27 AM CDTTornado WarningFWDPalo Pinto, Stephens19 min
Apr 28, 7:59 AM CDTRiver Flood WarningFWDDallas48 hr
Apr 28, 8:05 AM CDTSpecial Weather StatementFWDPalo Pinto, Parker55 min
Apr 28, 9:24 AM CDTRiver Flood WarningFWDHunt70 hr
Apr 28, 9:24 AM CDTRiver Flood WarningFWDHunt, Kaufman, Rockwall52 hr
Apr 28, 12:47 PM CDTAreal Flood AdvisoryFWDGrayson118 min
Apr 28, 1:54 PM CDTSpecial Weather StatementFWDMontague36 min
Apr 28, 2:37 PM CDTFlash Flood WatchFWDCollin, Cooke, Dallas, Delta, Denton, Fannin and 13 more16 hr
Apr 28, 4:33 PM CDTSevere Thunderstorm WarningFWDComanche, Eastland34 min
Apr 28, 6:49 PM CDTSpecial Weather StatementFWDParker26 min

Nearby

Special Weather Statements in Texas, 2021Every 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.