Alert archive / Oklahoma / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 168

April 15, 200021 counties in Oklahoma; 15 counties in Texas

The Storm Prediction Center issued this severe thunderstorm watch at Apr 15, 2000, 3:45 PM CDT for 21 counties in Oklahoma; 15 counties in Texas. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Apr 15, 2000, 3:45 PM CDT (20:45 UTC)
Expired
Apr 15, 2000, 10:00 PM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 36 counties

Alfalfa County, OK, Beckham County, OK, Blaine County, OK, Caddo County, OK, Canadian County, OK, Comanche County, OK, Custer County, OK, Dewey County, OK, Garfield County, OK, Grant County, OK, Greer County, OK, Harmon County, OK, Jackson County, OK, Kingfisher County, OK, Kiowa County, OK, Major County, OK, Roger Mills County, OK, Tillman County, OK, Washita County, OK, Woods County, OK, Woodward County, OK, Baylor County, TX, Childress County, TX, Collingsworth County, TX, Cottle County, TX, Dickens County, TX, Foard County, TX, Hall County, TX, Hardeman County, TX, Haskell County, TX, Kent County, TX, King County, TX, Knox County, TX, Motley County, TX, Stonewall County, TX, Wilbarger County, TX

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Apr 15, 4:08 PM CDTSevere Thunderstorm WarningLUBChildress52 min
Apr 15, 4:13 PM CDTSevere Thunderstorm WarningOUNRoger Mills62 min
Apr 15, 4:25 PM CDTSevere Thunderstorm WarningAMACollingsworth50 min
Apr 15, 4:39 PM CDTTornado WarningOUNRoger Mills36 min
Apr 15, 4:44 PM CDTSevere Thunderstorm WarningOUNHarmon46 min
Apr 15, 5:03 PM CDTSevere Thunderstorm WarningOUNGreer57 min
Apr 15, 5:12 PM CDTSevere Thunderstorm WarningOUNRoger Mills48 min
Apr 15, 5:14 PM CDTSevere Thunderstorm WarningLUBCottle31 min
Apr 15, 5:28 PM CDTSevere Thunderstorm WarningLUBKing32 min
Apr 15, 5:30 PM CDTSevere Thunderstorm WarningOUNCuster, Dewey60 min
Apr 15, 5:38 PM CDTSevere Thunderstorm WarningOUNHarmon, Jackson52 min
Apr 15, 5:43 PM CDTSevere Thunderstorm WarningOUNFoard62 min
Apr 15, 5:46 PM CDTSevere Thunderstorm WarningOUNHardeman59 min
Apr 15, 5:55 PM CDTSevere Thunderstorm WarningOUNGreer, Kiowa50 min
Apr 15, 6:24 PM CDTSevere Thunderstorm WarningOUNJackson51 min
Apr 15, 6:27 PM CDTSevere Thunderstorm WarningOUNCuster, Dewey63 min
Apr 15, 6:39 PM CDTSevere Thunderstorm WarningOUNKiowa, Tillman66 min
Apr 15, 6:42 PM CDTSevere Thunderstorm WarningOUNMajor63 min
Apr 15, 6:43 PM CDTSevere Thunderstorm WarningOUNFoard, Knox47 min
Apr 15, 6:50 PM CDTSevere Thunderstorm WarningOUNWilbarger55 min
Apr 15, 6:59 PM CDTSevere Thunderstorm WarningOUNComanche61 min
Apr 15, 7:38 PM CDTSevere Thunderstorm WarningOUNTillman52 min
Apr 15, 7:38 PM CDTSevere Thunderstorm WarningOUNBaylor, Knox67 min
Apr 15, 8:12 PM CDTSevere Thunderstorm WarningOUNComanche48 min

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 8.8 hours before the alert went out and 196 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, Amarillo Airport, TX at 12:00Z on 2000-04-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 110 joules per kilogram.LCLLFCEL10008507005003002001001 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, Amarillo Airport, TX at 12:00Z on 2000-04-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 110 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
110 J/kg
Mixed-layer CIN
-475 J/kg
Mixed-layer LCL
1871 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
110 m²/s²
0-3 km storm-relative helicity
83 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.

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 15, 5:45 PM CDTTornado WatchSPCCaddo, Comanche, Cotton, Grady, Jackson, Kiowa and 2 more5 hr

Nearby

Severe Thunderstorm Watches in Oklahoma, 2000Severe Thunderstorm Watches in Texas, 2000Every severe thunderstorm watch in 2000

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.