Alert archive / Kansas / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 310, NWS Dodge City, KS

July 20, 2018Grant County, Haskell County, Stevens County, Kansas

NWS Dodge City, KS issued this severe thunderstorm warning at Jul 20, 2018, 7:07 PM CDT for Grant County, Haskell County, Stevens County, Kansas. It was in force for 53 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
Jul 20, 2018, 7:07 PM CDT (00:07 UTC)
Expired
Jul 20, 2018, 8:00 PM CDT
In force
53 min
Issued by
NWS Dodge City, KS
Area
Storm-based polygon
Hail
0.75 in
Wind
70.0 mph

Counties Grant County, KS, Haskell County, KS, Stevens County, KS

The radar

The Dodge City radar (KDDC), 116 km from the middle of the area, began a volume at 00:08 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
Jul 20, 7:14 PM CDTHAIL 0.758 Nne Ulysses, KS
Jul 20, 7:17 PM CDTHAIL 1.758 N Hickok, KSHAIL WAS AT LEAST THE SIZE OF GOLFBALLS.
Jul 20, 7:30 PM CDTHAIL 29 N Hickok, KSPICTURE OF HAIL WAS FORWARDED VIA SOCIAL MEDIA FROM KSN NEWS.

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

The nearest sounding before it

Dodge City, (KDDC), launched 00:00Z, 0.1 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 2018-07-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4052 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 2018-07-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 164 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
4052 J/kg
Mixed-layer CIN
-220 J/kg
Mixed-layer LCL
1857 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
164 m²/s²
0-3 km storm-relative helicity
395 m²/s²
Significant tornado parameter
0.0
Supercell composite
15.1

Open this sounding in Storm Lab

The text

As transmitted.

421 
WUUS53 KDDC 210007
SVRDDC
KSC067-081-189-210100-
/O.NEW.KDDC.SV.W.0310.180721T0007Z-180721T0100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Dodge City KS
707 PM CDT FRI JUL 20 2018

The National Weather Service in Dodge City has issued a

* Severe Thunderstorm Warning for...
  Grant County in southwestern Kansas...
  North central Stevens County in southwestern Kansas...
  Northwestern Haskell County in southwestern Kansas...

* Until 800 PM CDT.

* At 707 PM CDT, a severe thunderstorm was located very near Ulysses,
  moving southeast at 15 mph.

  HAZARD...70 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect considerable tree damage. Damage is likely to 
           mobile homes, roofs, and outbuildings.

* Locations impacted include...
  Ulysses, Moscow, Ryus and Hickok. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3756 10151 3773 10132 3771 10074 3727 10123
TIME...MOT...LOC 0007Z 297DEG 14KT 3757 10136 

HAIL...<.75IN
WIND...70MPH
 
$$

RBURG
1 follow-up statement
940 
WWUS53 KDDC 210033
SVSDDC

Severe Weather Statement
National Weather Service Dodge City KS
733 PM CDT FRI JUL 20 2018

KSC189-210043-
/O.CAN.KDDC.SV.W.0310.000000T0000Z-180721T0100Z/
Stevens KS-
733 PM CDT FRI JUL 20 2018

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL STEVENS COUNTY
IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 3765 10139 3773 10132 3771 10074 3743 10105
TIME...MOT...LOC 0033Z 269DEG 24KT 3767 10118 

$$

KSC067-081-210100-
/O.CON.KDDC.SV.W.0310.000000T0000Z-180721T0100Z/
Grant KS-Haskell KS-
733 PM CDT FRI JUL 20 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM CDT
FOR NORTHEASTERN GRANT AND NORTHWESTERN HASKELL COUNTIES...

At 733 PM CDT, a severe thunderstorm was located 7 miles north of
Hickok, moving east at 25 mph.

HAZARD...70 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

IMPACT...Expect considerable tree damage. Damage is likely to mobile 
         homes, roofs, and outbuildings.

Locations impacted include...
Hickok and Ryus. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3765 10139 3773 10132 3771 10074 3743 10105
TIME...MOT...LOC 0033Z 269DEG 24KT 3767 10118 

HAIL...0.75IN
WIND...70MPH
 
$$

RBURG

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 20, 7:25 PM CDTSpecial Weather StatementDDCClark, Haskell, Meade65 min
Jul 20, 7:29 PM CDTSevere Thunderstorm WarningDDCHamilton, Kearny46 min
Jul 20, 7:55 PM CDTSevere Thunderstorm WarningDDCFinney, Grant, Haskell, Kearny50 min
Jul 20, 8:14 PM CDTSevere Thunderstorm WarningDDCKearny31 min
Jul 20, 8:17 PM CDTSpecial Weather StatementDDCHamilton43 min
Jul 20, 8:29 PM CDTSevere Thunderstorm WarningDDCFinney, Gray46 min
Jul 20, 8:44 PM CDTSevere Thunderstorm WarningDDCFinney, Kearny, Scott46 min
Jul 20, 9:14 PM CDTSevere Thunderstorm WarningDDCFinney, Gray46 min
Jul 20, 9:27 PM CDTSevere Thunderstorm WarningDDCFinney33 min
Jul 20, 9:56 PM CDTSevere Thunderstorm WarningDDCFinney, Lane, Scott52 min
Jul 20, 10:28 PM CDTSevere Thunderstorm WarningDDCHodgeman, Ness47 min
Jul 20, 11:15 PM CDTSevere Thunderstorm WarningDDCHodgeman, Ness, Pawnee, Rush39 min
Jul 20, 11:45 PM CDTSpecial Weather StatementDDCRush45 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2018Every severe thunderstorm warning 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.