Alert archive / Texas / Special Weather Statements in 2021

Special Weather Statement, NWS Fort Worth, TX

April 27, 2021Montague County, Texas

NWS Fort Worth, TX issued this special weather statement at Apr 27, 2021, 11:57 PM CDT for Montague County, Texas. It was in force for 33 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, 11:57 PM CDT (04:57 UTC)
Expired: Apr 28, 2021, 12:30 AM CDT
In force: 33 min
Issued by: NWS Fort Worth, TX

County Montague County, TX

The radar

The Altus AFB radar (KFDR), 127 km from the middle of the area, began a volume at 04:57 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, 5.0 hours before the alert went out and 124 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: 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, 3 hours 53 minutes earlier.

Area forecast discussion, Apr 27, 8:04 PM CDT, 3 hours 53 minutes before

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Hazardous weather outlook, Apr 27, 3:23 PM CDT, 8 hours 34 minutes before

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In the hours before

Special weather statement, Apr 27, 10:12 PM CDT, 1 hour 45 minutes before

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Special weather statement, Apr 27, 10:47 PM CDT, 1 hour 10 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

Special weather statement, Apr 27, 11:14 PM CDT, 43 minutes before

Special Weather Statement
National Weather Service Fort Worth TX
1114 PM CDT Tue Apr 27 2021

TXZ100-101-280445-
Young TX-Jack TX-
1114 PM CDT Tue Apr 27 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN YOUNG AND JACK
COUNTIES UNTIL 1145 PM CDT...

At 1113 PM CDT, Doppler radar was tracking a strong thunderstorm 9
miles north of Graham, moving east at 35 mph.

Pea size hail and winds in excess of 40 mph will be possible with
this storm.

 Locations impacted include...
Graham, Jacksboro, Bryson and Newport.

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

LAT...LON 3340 9860 3340 9842 3347 9842 3347 9798
      3324 9792 3306 9863
TIME...MOT...LOC 0413Z 248DEG 29KT 3323 9856

79

Special weather statement, Apr 27, 11:57 PM CDT, 0 minutes before

Special Weather Statement
National Weather Service Fort Worth TX
1157 PM CDT Tue Apr 27 2021

TXZ091-280530-
Montague TX-
1157 PM CDT Tue Apr 27 2021

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL MONTAGUE COUNTY UNTIL
1230 AM CDT...

At 1157 PM CDT, Doppler radar was tracking a strong thunderstorm over
Bellevue, or 9 miles northwest of Bowie, moving northeast at 45 mph.

Pea size hail and winds in excess of 40 mph will be possible with
this storm.

 Locations impacted include...
Bowie, Nocona and Stoneburg.

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

LAT...LON 3398 9763 3395 9759 3392 9760 3390 9758
      3391 9748 3385 9748 3367 9766 3351 9798
      3389 9798 3385 9787 3386 9783 3388 9782
      3388 9780 3390 9780 3390 9778 3392 9778
      3391 9776 3394 9776 3394 9773 3399 9768
TIME...MOT...LOC 0457Z 234DEG 44KT 3366 9797

79

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 27, 10:12 PM CDT	Special Weather Statement	FWD	Young	33 min
Apr 27, 10:47 PM CDT	Special Weather Statement	FWD	Young	28 min
Apr 27, 11:14 PM CDT	Special Weather Statement	FWD	Jack	31 min
Apr 28, 3:46 AM CDT	Severe Thunderstorm Warning	FWD	Stephens, Young	59 min
Apr 28, 4:27 AM CDT	Severe Thunderstorm Warning	FWD	Jack, Palo Pinto, Stephens, Young	63 min
Apr 28, 4:50 AM CDT	Special Weather Statement	FWD	Jack, Young	25 min
Apr 28, 5:36 AM CDT	Special Weather Statement	FWD	Palo Pinto	24 min
Apr 28, 6:01 AM CDT	Special Weather Statement	FWD	Jack	29 min
Apr 28, 6:44 AM CDT	Special Weather Statement	FWD	Stephens	31 min
Apr 28, 7:10 AM CDT	Severe Thunderstorm Warning	FWD	Palo Pinto, Stephens	65 min
Apr 28, 7:27 AM CDT	Tornado Warning	FWD	Palo Pinto, Stephens	19 min
Apr 28, 7:59 AM CDT	River Flood Warning	FWD	Dallas	48 hr
Apr 28, 8:05 AM CDT	Special Weather Statement	FWD	Palo Pinto, Parker	55 min
Apr 28, 9:24 AM CDT	River Flood Warning	FWD	Hunt	70 hr
Apr 28, 9:24 AM CDT	River Flood Warning	FWD	Hunt, Kaufman, Rockwall	52 hr
Apr 28, 12:47 PM CDT	Areal Flood Advisory	FWD	Grayson	118 min
Apr 28, 1:54 PM CDT	Special Weather Statement	FWD	Montague	36 min
Apr 28, 2:37 PM CDT	Flash Flood Watch	FWD	Collin, Cooke, Dallas, Delta, Denton, Fannin and 13 more	16 hr
Apr 28, 4:33 PM CDT	Severe Thunderstorm Warning	FWD	Comanche, Eastland	34 min
Apr 28, 6:49 PM CDT	Special Weather Statement	FWD	Parker	26 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.