Alert archive / Oklahoma / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 359

May 26, 200011 counties in Oklahoma; 11 counties in Texas

The Storm Prediction Center issued this severe thunderstorm watch at May 26, 2000, 12:00 AM CDT for 11 counties in Oklahoma; 11 counties in Texas. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
May 26, 2000, 12:00 AM CDT (05:00 UTC)
Expired
May 26, 2000, 6:00 AM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 22 counties

Alfalfa County, OK, Beckham County, OK, Blaine County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Major County, OK, Roger Mills County, OK, Washita County, OK, Woods County, OK, Woodward County, OK, Armstrong County, TX, Briscoe County, TX, Carson County, TX, Collingsworth County, TX, Donley County, TX, Gray County, TX, Hemphill County, TX, Hutchinson County, TX, Lipscomb County, TX, Roberts County, TX, Wheeler County, TX

The radar

The Amarillo radar (KAMA), 143 km from the middle of the area, began a volume at 05:02 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

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

IssuedProductOfficeCountiesLasted
May 26, 12:30 AM CDTTornado WarningOUNAlfalfa30 min

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 5.0 hours before the alert went out and 143 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 00:00Z on 2000-05-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1927 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 00:00Z on 2000-05-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 43 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
1927 J/kg
Mixed-layer CIN
-107 J/kg
Mixed-layer LCL
979 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
43 m²/s²
0-3 km storm-relative helicity
103 m²/s²
Significant tornado parameter
0.6
Supercell composite
5.3

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
May 25, 9:00 PM CDTSevere Thunderstorm WatchSPCAlfalfa, Beckham, Blaine, Caddo, Canadian, Comanche and 15 more6 hr
May 26, 12:30 AM CDTTornado WatchSPCCraig, Delaware, Garfield, Grant, Kay, Kingfisher and 10 more6 hr
May 26, 6:00 AM CDTSevere Thunderstorm WatchSPCAdair, Atoka, Carter, Cherokee, Cleveland, Coal and 19 more5 hr
May 26, 4:30 PM CDTTornado WatchSPCBeckham, Caddo, Comanche, Cotton, Greer, Harmon and 4 more6 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; radar from the NEXRAD Level II archive.