Alert archive / Kansas / Tornado Watches in 1999

Tornado Watch 451

June 18, 199913 counties in Kansas; 12 counties in Oklahoma; 11 counties in Texas

The Storm Prediction Center issued this tornado watch at Jun 18, 1999, 4:30 PM CDT for 13 counties in Kansas; 12 counties in Oklahoma; 11 counties in Texas. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Jun 18, 1999, 4:30 PM CDT (21:30 UTC)
Expired
Jun 18, 1999, 10:00 PM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 36 counties

Clark County, KS, Finney County, KS, Ford County, KS, Grant County, KS, Gray County, KS, Hamilton County, KS, Haskell County, KS, Kearny County, KS, Meade County, KS, Morton County, KS, Seward County, KS, Stanton County, KS, Stevens County, KS, Beaver County, OK, Beckham County, OK, Custer County, OK, Ellis County, OK, Greer County, OK, Harmon County, OK, Harper County, OK, Kiowa County, OK, Roger Mills County, OK, Texas County, OK, Washita County, OK, Woodward County, OK, Carson County, TX, Collingsworth County, TX, Donley County, TX, Gray County, TX, Hansford County, TX, Hemphill County, TX, Hutchinson County, TX, Lipscomb County, TX, Ochiltree County, TX, Roberts County, TX, Wheeler County, TX

The radar

The Dodge City radar (KDDC), 120 km from the middle of the area, began a volume at 21:32 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.

Warnings issued inside it

21 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Jun 18, 4:56 PM CDTTornado WarningDDCHaskell34 min
Jun 18, 5:02 PM CDTSevere Thunderstorm WarningDDCGray48 min
Jun 18, 5:11 PM CDTSevere Thunderstorm WarningAMABeaver49 min
Jun 18, 5:17 PM CDTTornado WarningDDCSeward48 min
Jun 18, 5:20 PM CDTSevere Thunderstorm WarningDDCMeade50 min
Jun 18, 5:56 PM CDTSevere Thunderstorm WarningAMAGray64 min
Jun 18, 6:08 PM CDTSevere Thunderstorm WarningDDCMeade47 min
Jun 18, 6:11 PM CDTSevere Thunderstorm WarningOUNHarper49 min
Jun 18, 6:44 PM CDTSevere Thunderstorm WarningOUNEllis61 min
Jun 18, 6:55 PM CDTSevere Thunderstorm WarningDDCMeade30 min
Jun 18, 7:04 PM CDTSevere Thunderstorm WarningAMABeaver26 min
Jun 18, 7:06 PM CDTTornado WarningOUNEllis39 min
Jun 18, 7:08 PM CDTSevere Thunderstorm WarningAMADonley, Gray67 min
Jun 18, 7:25 PM CDTSevere Thunderstorm WarningAMALipscomb35 min
Jun 18, 7:35 PM CDTSevere Thunderstorm WarningAMABeaver55 min
Jun 18, 7:59 PM CDTSevere Thunderstorm WarningAMALipscomb41 min
Jun 18, 8:14 PM CDTSevere Thunderstorm WarningAMADonley61 min
Jun 18, 8:18 PM CDTSevere Thunderstorm WarningOUNEllis42 min
Jun 18, 8:30 PM CDTSevere Thunderstorm WarningOUNRoger Mills60 min
Jun 18, 8:54 PM CDTSevere Thunderstorm WarningOUNEllis66 min
Jun 18, 9:30 PM CDTSevere Thunderstorm WarningOUNRoger Mills45 min

The nearest sounding before it

Dodge City, (KDDC), launched 12:00Z, 9.5 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 12:00Z on 1999-06-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Dodge City, at 12:00Z on 1999-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 235 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
744 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
235 m²/s²
0-3 km storm-relative helicity
331 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

Nearby

Tornado Watches in Kansas, 1999Tornado Watches in Oklahoma, 1999Tornado Watches in Texas, 1999Every tornado watch in 1999

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.