Alert archive / Texas / Special Weather Statements in 2017

Special Weather Statement, NWS Lubbock, TX

September 18, 2017Dickens County, King County, Texas

NWS Lubbock, TX issued this special weather statement at Sep 18, 2017, 10:32 PM CDT for Dickens County, King 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
Sep 18, 2017, 10:32 PM CDT (03:32 UTC)
Expired
Sep 18, 2017, 11:00 PM CDT
In force
28 min
Issued by
NWS Lubbock, TX

Counties Dickens County, TX, King County, TX

The radar

The Lubbock radar (KLBB), 119 km from the middle of the area, began a volume at 03:34 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 00:00Z, 3.5 hours before the alert went out and 210 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 00:00Z on 2017-09-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1254 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, Amarillo Airport, TX at 00:00Z on 2017-09-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 14 square meters per square second.193958Sfc1 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
1254 J/kg
Mixed-layer CIN
-26 J/kg
Mixed-layer LCL
2111 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
14 m²/s²
0-3 km storm-relative helicity
121 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.4

Open this sounding in Storm Lab

The text

As transmitted.

096 
WWUS84 KLUB 190332
SPSLUB

Special Weather Statement
National Weather Service Lubbock TX
1032 PM CDT MON SEP 18 2017
 
TXZ037-038-190400-
Dickens TX-King TX-
1032 PM CDT MON SEP 18 2017

...SIGNIFICANT WEATHER ADVISORY FOR EASTERN DICKENS AND NORTHWESTERN
KING COUNTIES UNTIL 1100 PM CDT...

At 1030 PM CDT, Doppler radar was tracking a strong thunderstorm 10
miles south of Dumont, or 11 miles west of Guthrie, moving northeast 
at 20 mph. A second strong thunderstorm was also located 10 miles 
northeast of Spur, moving northeast at 15 mph.

Nickel size hail and wind gusts up to 50 mph will be possible with
these storms.

Locations impacted include...
Dickens, Guthrie, Finney and Grow. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy rainfall is also occurring with these storms, and may lead to 
localized flooding. Do not drive your vehicle through flooded 
roadways.

&&

LAT...LON 3343 10064 3345 10082 3368 10084 3384 10039
      3384 10027 3359 10014
TIME...MOT...LOC 0330Z 247DEG 19KT 3366 10052 

$$

23

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 18, 8:08 PM CDTSpecial Weather StatementLUBDickens37 min
Sep 18, 8:40 PM CDTSpecial Weather StatementLUBDickens35 min
Sep 18, 8:58 PM CDTSpecial Weather StatementLUBKent32 min
Sep 18, 9:15 PM CDTSpecial Weather StatementLUBDickens30 min
Sep 18, 9:32 PM CDTSpecial Weather StatementLUBMotley28 min
Sep 18, 9:44 PM CDTSpecial Weather StatementLUBCottle31 min
Sep 18, 9:53 PM CDTSpecial Weather StatementLUBDickens37 min
Sep 18, 10:07 PM CDTSpecial Weather StatementLUBCottle23 min
Sep 18, 10:35 PM CDTSpecial Weather StatementLUBCottle25 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.