Alert archive / Kansas / Special Weather Statements in 2018

Special Weather Statement, NWS Dodge City, KS

August 7, 2018Stevens County, Kansas

NWS Dodge City, KS issued this special weather statement at Aug 7, 2018, 12:25 AM CDT for Stevens County, Kansas. It was in force for 65 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 7, 2018, 12:25 AM CDT (05:25 UTC)
Expired
Aug 7, 2018, 1:30 AM CDT
In force
65 min
Issued by
NWS Dodge City, KS

County Stevens County, KS

The radar

The Dodge City radar (KDDC), 157 km from the middle of the area, began a volume at 05:26 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, 5.4 hours before the alert went out and 163 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 2018-08-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 266 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 2018-08-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 40 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
266 J/kg
Mixed-layer CIN
-157 J/kg
Mixed-layer LCL
2642 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
40 m²/s²
0-3 km storm-relative helicity
134 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

Open this sounding in Storm Lab

The text

As transmitted.

756 
WWUS83 KDDC 070525
SPSDDC

Special Weather Statement
National Weather Service Dodge City KS
1225 AM CDT TUE AUG 7 2018
 
KSZ084-085-070630-
Stevens KS-Morton KS-
1225 AM CDT TUE AUG 7 2018

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN MORTON AND SOUTHERN
STEVENS COUNTIES UNTIL 130 AM CDT...

At 1225 AM CDT, Doppler radar was tracking a strong thunderstorm 8
miles north of Hough, or 9 miles south of Rolla, moving east at 30
mph.

Winds in excess of 40 mph will be possible with this storm.

Locations impacted include...
Hugoton, Rolla, Wilburton and Feterita. 

LAT...LON 3699 10183 3722 10180 3716 10108 3700 10108
TIME...MOT...LOC 0525Z 287DEG 26KT 3699 10157 

$$

GERARD

The office that day

Everything else NWS Dodge City, KS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 6, 8:34 PM CDTSpecial Weather StatementDDCNess56 min
Aug 6, 9:39 PM CDTSpecial Weather StatementDDCEllis66 min
Aug 6, 11:34 PM CDTSpecial Weather StatementDDCEllis, Trego56 min
Aug 6, 11:41 PM CDTSevere Thunderstorm WarningDDCTrego33 min
Aug 7, 12:42 AM CDTSpecial Weather StatementDDCEllis, Rush63 min
Aug 7, 1:05 AM CDTSpecial Weather StatementDDCFinney, Kearny55 min
Aug 7, 1:07 AM CDTSpecial Weather StatementDDCNess53 min
Aug 7, 1:19 AM CDTSevere Thunderstorm WarningDDCFinney, Kearny41 min

Nearby

Special Weather Statements in Kansas, 2018Every special weather statement in 2018

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.