Alert archive / Texas / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 427

June 11, 2000Beaver County, Cimarron County, Texas County, Oklahoma; 37 counties in Texas

The Storm Prediction Center issued this severe thunderstorm watch at Jun 11, 2000, 4:15 PM CDT for Beaver County, Cimarron County, Texas County, Oklahoma; 37 counties in Texas. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Jun 11, 2000, 4:15 PM CDT (21:15 UTC)
Expired
Jun 11, 2000, 10:00 PM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 40 counties

Beaver County, OK, Cimarron County, OK, Texas County, OK, Armstrong County, TX, Bailey County, TX, Briscoe County, TX, Carson County, TX, Castro County, TX, Cochran County, TX, Crosby County, TX, Dallam County, TX, Deaf Smith County, TX, Dickens County, TX, Donley County, TX, Floyd County, TX, Garza County, TX, Gray County, TX, Hale County, TX, Hall County, TX, Hansford County, TX, Hartley County, TX, Hockley County, TX, Hutchinson County, TX, Kent County, TX, Lamb County, TX, Lipscomb County, TX, Lubbock County, TX, Lynn County, TX, Moore County, TX, Motley County, TX, Ochiltree County, TX, Oldham County, TX, Parmer County, TX, Potter County, TX, Randall County, TX, Roberts County, TX, Sherman County, TX, Swisher County, TX, Terry County, TX, Yoakum County, TX

The radar

The Amarillo radar (KAMA), 81 km from the middle of the area, began a volume at 21:16 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

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

IssuedProductOfficeCountiesLasted
Jun 11, 4:17 PM CDTFlash Flood WarningLUBLubbock118 min
Jun 11, 5:05 PM CDTSevere Thunderstorm WarningLUBCochran55 min
Jun 11, 5:23 PM CDTSevere Thunderstorm WarningAMADeaf Smith67 min
Jun 11, 5:41 PM CDTSevere Thunderstorm WarningAMACimarron49 min
Jun 11, 6:27 PM CDTSevere Thunderstorm WarningAMACimarron, Texas63 min
Jun 11, 6:28 PM CDTSevere Thunderstorm WarningLUBTerry62 min
Jun 11, 7:19 PM CDTSevere Thunderstorm WarningAMADallam41 min
Jun 11, 7:27 PM CDTSevere Thunderstorm WarningAMATexas48 min

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 9.3 hours before the alert went out and 81 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 2000-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1299 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 2000-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 132 square meters per square second.1939Sfc1 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
1299 J/kg
Mixed-layer CIN
-65 J/kg
Mixed-layer LCL
649 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
132 m²/s²
0-3 km storm-relative helicity
196 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

Severe Thunderstorm Watches in Texas, 2000Severe Thunderstorm Watches in Oklahoma, 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; radar from the NEXRAD Level II archive.