Alert archive / Texas / Special Weather Statements in 2017

Special Weather Statement, NWS Lubbock, TX

August 19, 2017Kent County, Texas

NWS Lubbock, TX issued this special weather statement at Aug 19, 2017, 7:48 PM CDT for Kent County, Texas. It was in force for 27 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
Aug 19, 2017, 7:48 PM CDT (00:48 UTC)
Expired
Aug 19, 2017, 8:15 PM CDT
In force
27 min
Issued by
NWS Lubbock, TX

County Kent County, TX

The radar

The Lubbock radar (KLBB), 120 km from the middle of the area, began a volume at 00:50 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

Midland Regional, TX (KMAF), launched 00:00Z, 0.8 hours before the alert went out and 183 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, Midland Regional, TX at 00:00Z on 2017-08-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 114 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Midland Regional, TX at 00:00Z on 2017-08-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -44 square meters per square second.1939Sfc1 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
114 J/kg
Mixed-layer CIN
-46 J/kg
Mixed-layer LCL
2558 m above ground
0-6 km bulk shear
3 kt
0-1 km storm-relative helicity
-44 m²/s²
0-3 km storm-relative helicity
-12 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

529 
WWUS84 KLUB 200048
SPSLUB

Special Weather Statement
National Weather Service Lubbock TX
748 PM CDT SAT AUG 19 2017
 
TXZ043-200115-
Kent TX-
748 PM CDT SAT AUG 19 2017

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN KENT COUNTY UNTIL
815 PM CDT...

At 748 PM CDT, Doppler radar was tracking a strong thunderstorm 12
miles southwest of Clairemont, or 12 miles east of Lake Alan Henry,
moving northeast at 10 mph.

Dime size hail and wind gusts of 50 to 55 mph will be possible with 
this storm. This storm will remain over mainly rural areas of 
southeastern Kent County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 3308 10090 3315 10052 3296 10052 3297 10089
TIME...MOT...LOC 0048Z 247DEG 9KT 3300 10084 

$$

MCZ

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 20, 1:18 AM CDTSpecial Weather StatementLUBLubbock27 min
Aug 20, 1:34 AM CDTSpecial Weather StatementLUBLubbock26 min
Aug 20, 1:46 AM CDTAreal Flood AdvisoryLUBLubbock59 min
Aug 20, 2:42 AM CDTAreal Flood AdvisoryLUBHockley63 min
Aug 20, 2:47 AM CDTAreal Flood AdvisoryLUBLubbock58 min
Aug 20, 3:47 AM CDTAreal Flood AdvisoryLUBLubbock58 min

Nearby

Special Weather Statements in Texas, 2017Every special weather statement in 2017

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.