Alert archive / Texas / Special Weather Statements in 2021

Special Weather Statement, NWS Lubbock, TX

May 7, 2021Castro County, Parmer County, Texas

NWS Lubbock, TX issued this special weather statement at May 7, 2021, 5:45 PM CDT for Castro County, Parmer County, Texas. It was in force for 30 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 7, 2021, 5:45 PM CDT (22:45 UTC)
Expired
May 7, 2021, 6:15 PM CDT
In force
30 min
Issued by
NWS Lubbock, TX

Counties Castro County, TX, Parmer County, TX

The radar

The Amarillo radar (KAMA), 98 km from the middle of the area, began a volume at 22:47 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, 10.8 hours before the alert went out and 98 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, Amarillo Airport, TX at 12:00Z on 2021-05-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Amarillo Airport, TX at 12:00Z on 2021-05-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 341 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1870 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
341 m²/s²
0-3 km storm-relative helicity
598 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 Lubbock, TX wrote its last area forecast discussion before this special weather statement went out at May 7, 2:45 PM CDT, 3 hours earlier.

Area forecast discussion, May 7, 2:45 PM CDT, 3 hours before
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Hazardous weather outlook, May 7, 4:18 PM CDT, 1 hour 27 minutes before
Hazardous Weather Outlook
National Weather Service Lubbock TX
418 PM CDT Fri May 7 2021

TXZ021>044-082130-
Parmer-Castro-Swisher-Briscoe-Hall-Childress-Bailey-Lamb-Hale-Floyd-
Motley-Cottle-Cochran-Hockley-Lubbock-Crosby-Dickens-King-Yoakum-
Terry-Lynn-Garza-Kent-Stonewall-
418 PM CDT Fri May 7 2021

This Hazardous Weather Outlook is for the South Plains, Rolling
Plains and the far Southern Texas Panhandle.

.DAY ONE...Tonight.

Isolated to scattered thunderstorms will be possible across the
far southern Texas Panhandle and South Plains this evening and
tonight. A few of these storms may produce wind gusts up to 65 MPH
and hail to the size of quarters.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Hot, dry and gusty southwesterly winds will create critical fire
weather, especially west of the Caprock Escarpment, Saturday
afternoon and evening. A Fire Weather Watch is in effect from noon
until midnight for the South Plains, western Rolling Plains and
southern Texas Panhandle. In addition, the southwesterly winds may
become sustained in excess of 30 mph over portions of the Caprock
Saturday afternoon. Across the Rolling Plains, a conditional risk for
isolated severe thunderstorms will exist Saturday evening.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed this evening. Please relay any
information about severe weather to the NWS while following local,
state, and CDC guidelines.

In the hours before

Special weather statement, May 7, 5:45 PM CDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
May 7, 1:26 PM CDTFire Weather WatchLUBBailey, Briscoe, Castro, Cochran, Crosby, Dickens and 13 more15 hr
May 7, 6:15 PM CDTSpecial Weather StatementLUBCastro, Swisher30 min
May 7, 6:18 PM CDTSpecial Weather StatementLUBBailey, Cochran27 min
May 7, 6:40 PM CDTSevere Thunderstorm WarningLUBBriscoe, Castro, Swisher65 min
May 7, 6:43 PM CDTSevere Thunderstorm WarningLUBBailey, Cochran, Hockley, Lamb, Terry, Yoakum62 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.