Alert archive / Kansas / Tornado Warnings in 2018

Tornado Warning 14, NWS Dodge City, KS

August 18, 2018Grant County, Kansas

NWS Dodge City, KS issued this tornado warning at Aug 18, 2018, 7:54 PM CDT for Grant County, Kansas. It was in force for 21 min. 3 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Aug 18, 2018, 7:54 PM CDT (00:54 UTC)
Expired
Aug 18, 2018, 8:15 PM CDT
In force
21 min
Issued by
NWS Dodge City, KS
Area
Storm-based polygon
Tornado
Radar indicated
Hail
2.5 in

County Grant County, KS

The radar

The Dodge City radar (KDDC), 116 km from the middle of the area, began a volume at 00:55 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.

What was reported inside it

TimeReportWhereRemark
Aug 18, 7:54 PM CDTTORNADO9 Nne Ulysses, KSMULTI-VORTEX BRIEFLY TOUCHED DOWN NORTHWEST OF ULYSSES SPOTTED BY STORM CHASER.
Aug 18, 7:55 PM CDTHAIL 17 Nne Ulysses, KSQUARTER SIZED HAIL REPORTED BY EM.
Aug 18, 8:18 PM CDTHAIL 18 N Hickok, KSQUARTER SIZED HAIL REPORTED BY EM.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Aug 18, 6:55 PM CDTSevere Thunderstorm WatchSPC3 hr

The nearest sounding before it

Dodge City, (KDDC), launched 00:00Z, 0.9 hours before the alert went out and 122 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 2018-08-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 887 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 2018-08-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 75 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
887 J/kg
Mixed-layer CIN
-51 J/kg
Mixed-layer LCL
1184 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
75 m²/s²
0-3 km storm-relative helicity
102 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.7

Open this sounding in Storm Lab

The text

As transmitted.

951 
WFUS53 KDDC 190054
TORDDC
KSC067-190115-
/O.NEW.KDDC.TO.W.0014.180819T0054Z-180819T0115Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Dodge City KS
754 PM CDT SAT AUG 18 2018

The National Weather Service in Dodge City has issued a

* Tornado Warning for...
  Northeastern Grant County in southwestern Kansas...

* Until 815 PM CDT.
    
* At 754 PM CDT, a severe thunderstorm capable of producing a tornado
  was located 7 miles northeast of Ulysses, and is nearly stationary.

  HAZARD...Tornado and tennis ball size hail.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This tornadic thunderstorm will remain over mainly rural areas of
  northeastern Grant County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3764 10136 3771 10133 3770 10116 3761 10121
TIME...MOT...LOC 0054Z 299DEG 2KT 3767 10129 

TORNADO...RADAR INDICATED
HAIL...2.50IN

$$

HOVORKA

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 18, 7:08 PM CDTSevere Thunderstorm WarningDDCGrant, Kearny37 min
Aug 18, 7:26 PM CDTFlash Flood WarningDDCKearny3 hr
Aug 18, 7:28 PM CDTSpecial Weather StatementDDCHamilton17 min
Aug 18, 7:34 PM CDTFlash Flood WarningDDCGrant, Kearny3 hr
Aug 18, 7:38 PM CDTSevere Thunderstorm WarningDDCGrant, Kearny52 min
Aug 18, 7:42 PM CDTSpecial Weather StatementDDCHamilton, Kearny18 min
Aug 18, 8:28 PM CDTSevere Thunderstorm WarningDDCFinney, Grant, Haskell, Kearny32 min
Aug 18, 8:51 PM CDTSpecial Weather StatementDDCGrant54 min
Aug 18, 8:52 PM CDTSpecial Weather StatementDDCGrant68 min
Aug 18, 9:40 PM CDTFlash Flood WarningDDCGrant, Kearny4 hr
Aug 18, 9:43 PM CDTAreal Flood WarningDDCHamilton, Kearny6 hr
Aug 18, 9:47 PM CDTSpecial Weather StatementDDCGrant58 min
Aug 18, 10:09 PM CDTSpecial Weather StatementDDCStevens66 min
Aug 19, 1:45 AM CDTFlash Flood WarningDDCFord3 hr
Aug 19, 2:23 AM CDTAreal Flood WarningDDCGrant, Kearny3 hr
Aug 19, 5:13 AM CDTAreal Flood WarningDDCGrant, Kearny3 hr
Aug 19, 6:01 PM CDTSpecial Weather StatementDDCRush44 min
Aug 19, 6:02 PM CDTSpecial Weather StatementDDCFord58 min
Aug 19, 6:20 PM CDTSpecial Weather StatementDDCEllis40 min
Aug 19, 6:58 PM CDTSpecial Weather StatementDDCEllis47 min

Nearby

Tornado Warnings in Kansas, 2018Every tornado warning in 2018Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.