Alert archive / Oklahoma / Special Weather Statements in 2017

Special Weather Statement, NWS Amarillo, TX

May 10, 2017Cimarron County, Oklahoma

NWS Amarillo, TX issued this special weather statement at May 10, 2017, 7:12 PM CDT for Cimarron County, Oklahoma. It was in force for 48 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 10, 2017, 7:12 PM CDT (00:12 UTC)
Expired
May 10, 2017, 8:00 PM CDT
In force
48 min
Issued by
NWS Amarillo, TX

County Cimarron County, OK

The radar

The Amarillo radar (KAMA), 186 km from the middle of the area, began a volume at 00:15 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, 0.2 hours before the alert went out and 187 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 2017-05-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 657 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 2017-05-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -28 square meters per square second.1939587897Sfc1 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
657 J/kg
Mixed-layer CIN
-33 J/kg
Mixed-layer LCL
1768 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
-28 m²/s²
0-3 km storm-relative helicity
49 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.6

Open this sounding in Storm Lab

The text

As transmitted.

891 
WWUS84 KAMA 110012
SPSAMA

Special Weather Statement
National Weather Service Amarillo TX
712 PM CDT WED MAY 10 2017
 
OKZ001-110100-
Cimarron OK-
712 PM CDT WED MAY 10 2017

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL CIMARRON COUNTY UNTIL 800
PM CDT...

At 712 PM CDT, Doppler radar was tracking a strong thunderstorm 4
miles southeast of Boise City, moving north at 55 mph.

Dime size hail will be possible with this storm. 

Locations impacted include...
Boise City.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
office in Amarillo.

&&

LAT...LON 3699 10225 3655 10228 3652 10249 3700 10279
TIME...MOT...LOC 0012Z 182DEG 47KT 3668 10245 

$$

14

The office that day

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

IssuedProductOfficeCountiesLasted
May 10, 7:10 PM CDTSpecial Weather StatementAMASherman50 min
May 10, 7:28 PM CDTSpecial Weather StatementAMADonley32 min
May 10, 8:53 PM CDTSpecial Weather StatementAMAHemphill52 min
May 10, 9:39 PM CDTSpecial Weather StatementAMASherman36 min
May 10, 10:09 PM CDTSpecial Weather StatementAMAHansford, Hutchinson36 min
May 10, 10:43 PM CDTSpecial Weather StatementAMAHansford47 min
May 11, 1:48 PM CDTSpecial Weather StatementAMAGray27 min
May 10, 11:24 PM CDTSpecial Weather StatementAMATexas21 min

Nearby

Special Weather Statements in Oklahoma, 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.