Alert archive / Texas / Special Weather Statements in 2021

Special Weather Statement, NWS Amarillo, TX

April 27, 2021Gray County, Texas

NWS Amarillo, TX issued this special weather statement at Apr 27, 2021, 5:55 PM CDT for Gray 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 27, 2021, 5:55 PM CDT (22:55 UTC)
Expired: Apr 27, 2021, 6:30 PM CDT
In force: 35 min
Issued by: NWS Amarillo, TX

County Gray County, TX

The radar

The Amarillo radar (KAMA), 69 km from the middle of the area, began a volume at 22:55 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

Amarillo Airport, TX (KAMA), launched 12:00Z, 10.9 hours before the alert went out and 68 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: 4126 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 96 m²/s²
0-3 km storm-relative helicity: 143 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 Amarillo, TX wrote its last area forecast discussion before this special weather statement went out at Apr 27, 5:36 PM CDT, 19 minutes earlier.

Area forecast discussion, Apr 27, 5:36 PM CDT, 19 minutes before

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Hazardous weather outlook, Apr 27, 3:20 PM CDT, 2 hours 35 minutes before

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In the hours before

Local storm report, Apr 27, 2:48 PM CDT, 3 hours 7 minutes before

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Local storm report, Apr 27, 4:32 PM CDT, 1 hour 23 minutes before

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Special weather statement, Apr 27, 5:30 PM CDT, 25 minutes before

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Special weather statement, Apr 27, 5:55 PM CDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 27, 1:42 AM CDT	Wind Advisory	AMA	Dallam, Hartley, Sherman	17 hr
Apr 27, 5:30 PM CDT	Special Weather Statement	AMA	Gray	30 min
Apr 27, 6:06 PM CDT	Special Weather Statement	AMA	Donley	39 min
Apr 27, 6:09 PM CDT	Severe Thunderstorm Warning	AMA	Gray, Hemphill, Roberts, Wheeler	31 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.