Alert archive / Kansas / Tornado Warnings in 2018

Tornado Warning 30, NWS Goodland, KS

July 28, 2018Rawlins County, Kansas; Hitchcock County, Nebraska

NWS Goodland, KS issued this tornado warning at Jul 28, 2018, 10:54 PM CDT for Rawlins County, Kansas; Hitchcock County, Nebraska. It was in force for 12 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
Jul 28, 2018, 10:54 PM CDT (03:54 UTC)
Expired
Jul 28, 2018, 11:06 PM CDT
In force
12 min
Issued by
NWS Goodland, KS
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.5 in

Counties Rawlins County, KS, Hitchcock County, NE

The radar

The Goodland radar (KGLD), 99 km from the middle of the area, began a volume at 03:55 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.

The watch it was issued in

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

IssuedProductOfficeLasted
Jul 28, 6:40 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 3.9 hours before the alert went out and 119 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, N. Platte/Lee Bi, NE at 00:00Z on 2018-07-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 565 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, N. Platte/Lee Bi, NE at 00:00Z on 2018-07-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 65 square meters per square second.1939587897117Sfc1 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
565 J/kg
Mixed-layer CIN
-119 J/kg
Mixed-layer LCL
1240 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
65 m²/s²
0-3 km storm-relative helicity
208 m²/s²
Significant tornado parameter
0.1
Supercell composite
4.8

Open this sounding in Storm Lab

The text

As transmitted.

995 
WFUS53 KGLD 290354
TORGLD
KSC153-NEC087-290430-
/O.NEW.KGLD.TO.W.0030.180729T0354Z-180729T0430Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Goodland KS
1054 PM CDT SAT JUL 28 2018

The National Weather Service in Goodland has issued a

* Tornado Warning for...
  North central Rawlins County in northwestern Kansas...
  Central Hitchcock County in southwestern Nebraska...

* Until 1130 PM CDT.
    
* At 1054 PM CDT, a severe thunderstorm capable of producing a
  tornado was located 5 miles north of Stratton, or 9 miles northwest
  of Trenton, moving southeast at 50 mph.

  HAZARD...Tornado and ping pong 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.

* Locations impacted include...
  Trenton and Stratton. 

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 4003 10083 3990 10109 4022 10133 4025 10132
      4034 10114
TIME...MOT...LOC 0354Z 326DEG 42KT 4023 10119 

TORNADO...RADAR INDICATED
HAIL...1.50IN

$$

EV
1 follow-up statement
250 
WWUS53 KGLD 290406
SVSGLD

Severe Weather Statement
National Weather Service Goodland KS
1106 PM CDT SAT JUL 28 2018

KSC153-NEC087-290416-
/O.CAN.KGLD.TO.W.0030.000000T0000Z-180729T0430Z/
Rawlins KS-Hitchcock NE-
1106 PM CDT SAT JUL 28 2018

...THE TORNADO WARNING FOR NORTH CENTRAL RAWLINS AND CENTRAL
HITCHCOCK COUNTIES IS CANCELLED...
    
The tornado threat has diminished and the Tornado Warning has been
cancelled. However, large hail and damaging winds remain likely and a
Severe Thunderstorm Warning remains in effect for the area.  However
small hail and gusty winds are still possible with this thunderstorm.

A Severe Thunderstorm Watch remains in effect until 200 AM CDT for
northwestern Kansas...and southwestern Nebraska.

Remember, a Severe Thunderstorm Warning still remains in effect for
Hitchcock County until 11:45 pm.

LAT...LON 4003 10083 3990 10109 4022 10133 4025 10132
      4034 10114
TIME...MOT...LOC 0404Z 326DEG 42KT 4011 10109 

$$

EV

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 28, 7:27 PM CDTSevere Thunderstorm WarningGLDSherman, Wallace39 min
Jul 28, 8:05 PM CDTSpecial Weather StatementGLDSherman10 min
Jul 28, 8:21 PM CDTSevere Thunderstorm WarningGLDCheyenne, Rawlins, Sherman, Thomas54 min
Jul 28, 8:26 PM CDTSevere Thunderstorm WarningGLDCheyenne55 min
Jul 28, 9:00 PM CDTFlash Flood WarningGLDCheyenne101 min
Jul 28, 9:14 PM CDTSevere Thunderstorm WarningGLDCheyenne, Rawlins, Sherman, Thomas46 min
Jul 28, 10:02 PM CDTSpecial Weather StatementGLDRawlins28 min
Jul 28, 10:11 PM CDTSevere Thunderstorm WarningGLDDecatur, Rawlins64 min
Jul 28, 10:15 PM CDTSevere Thunderstorm WarningGLDCheyenne15 min
Jul 28, 10:48 PM CDTFlash Flood WarningGLDDecatur, Norton95 min
Jul 28, 11:12 PM CDTSevere Thunderstorm WarningGLDDecatur, Norton50 min
Jul 29, 12:15 AM CDTFlash Flood WarningGLDGraham50 min
Jul 29, 12:32 AM CDTSpecial Weather StatementGLDSheridan, Thomas43 min
Jul 29, 12:43 AM CDTSevere Thunderstorm WarningGLDSheridan, Thomas32 min
Jul 29, 12:51 AM CDTSevere Thunderstorm WarningGLDGove, Sheridan, Thomas39 min
Jul 29, 1:26 AM CDTSevere Thunderstorm WarningGLDGove34 min
Jul 29, 2:51 AM CDTFlash Flood WarningGLDDecatur, Graham, Norton6 hr
Jul 29, 7:04 AM CDTAreal Flood WarningGLDDecatur, Graham, Norton4 hr
Jul 28, 10:01 PM CDTSpecial Weather StatementGLDHitchcock29 min
Jul 28, 10:07 PM CDTSpecial Weather StatementGLDRed Willow23 min
Jul 28, 10:35 PM CDTSpecial Weather StatementGLDRed Willow25 min
Jul 28, 10:38 PM CDTSevere Thunderstorm WarningGLDHitchcock47 min
Jul 29, 1:30 AM CDTFlash Flood WarningGLDHitchcock4 hr
Jul 29, 5:45 AM CDTAreal Flood WarningGLDHitchcock5 hr
Jul 29, 11:48 AM CDTRiver Flood WarningGLDHitchcock12 hr
Jul 29, 11:59 AM CDTRiver Flood WarningGLDRed Willow6 hr

Nearby

Tornado Warnings in Kansas, 2018Tornado Warnings in Nebraska, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.