Alert archive / Texas / Special Weather Statements in 2021

Special Weather Statement, NWS Amarillo, TX

May 18, 2021Hutchinson County, Texas

NWS Amarillo, TX issued this special weather statement at May 18, 2021, 7:20 PM CDT for Hutchinson County, Texas. It was in force for 25 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 18, 2021, 7:20 PM CDT (00:20 UTC)
Expired
May 18, 2021, 7:45 PM CDT
In force
25 min
Issued by
NWS Amarillo, TX

County Hutchinson County, TX

The radar

The Amarillo radar (KAMA), 59 km from the middle of the area, began a volume at 00:24 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

Dodge City, (KDDC), launched 00:00Z, 0.3 hours before the alert went out and 268 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, Dodge City, at 00:00Z on 2021-05-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 93 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, Dodge City, at 00:00Z on 2021-05-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 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
93 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
1281 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
24 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

490 
WWUS84 KAMA 190020
SPSAMA

Special Weather Statement
National Weather Service Amarillo TX
720 PM CDT Tue May 18 2021
 
TXZ008-009-013-190045-
Hutchinson TX-Roberts TX-Carson TX-
720 PM CDT Tue May 18 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN CARSON...
SOUTHEASTERN HUTCHINSON AND WEST CENTRAL ROBERTS COUNTIES UNTIL 745
PM CDT...

At 718 PM CDT, Doppler radar was tracking strong thunderstorms.  One 
was 7 miles southeast of Borger and the other was 4 miles northeast 
of Borger, moving north at 15 mph.

Nickel size hail and wind gusts of 50 to 55 mph will be possible with
these storms.

Locations impacted include...
Borger and Skellytown. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take shelter in a sturdy building if threatening weather approaches.
 
Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 3546 10126 3551 10147 3589 10142 3582 10097
TIME...MOT...LOC 0018Z 196DEG 15KT 3556 10135 

$$

LG

The office that day

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

IssuedProductOfficeCountiesLasted
May 18, 7:30 PM CDTSevere Thunderstorm WarningAMACarson, Hutchinson, Roberts90 min
May 18, 9:07 PM CDTSpecial Weather StatementAMACollingsworth, Gray, Wheeler68 min
May 19, 4:35 PM CDTSpecial Weather StatementAMAGray55 min
May 19, 4:45 PM CDTSpecial Weather StatementAMARoberts60 min
May 19, 4:47 PM CDTSpecial Weather StatementAMAHansford58 min
May 19, 5:16 PM CDTSpecial Weather StatementAMADonley29 min
May 19, 5:46 PM CDTSpecial Weather StatementAMADonley29 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.