Alert archive / Oklahoma / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 610

July 22, 200042 counties in Oklahoma

The Storm Prediction Center issued this severe thunderstorm watch at Jul 22, 2000, 12:00 AM CDT for 42 counties in Oklahoma. It was in force for 6 hr.

The area

The outline as issued.

The facts

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

All 42 counties

Alfalfa County, OK, Atoka County, OK, Blaine County, OK, Caddo County, OK, Canadian County, OK, Carter County, OK, Cleveland County, OK, Coal County, OK, Comanche County, OK, Cotton County, OK, Creek County, OK, Custer County, OK, Dewey County, OK, Garfield County, OK, Garvin County, OK, Grady County, OK, Grant County, OK, Harper County, OK, Hughes County, OK, Johnston County, OK, Kay County, OK, Kingfisher County, OK, Kiowa County, OK, Lincoln County, OK, Logan County, OK, Major County, OK, McClain County, OK, Murray County, OK, Noble County, OK, Okfuskee County, OK, Oklahoma County, OK, Osage County, OK, Pawnee County, OK, Payne County, OK, Pontotoc County, OK, Pottawatomie County, OK, Seminole County, OK, Stephens County, OK, Tillman County, OK, Washita County, OK, Woods County, OK, Woodward County, OK

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
Jul 22, 1:02 AM CDT	Severe Thunderstorm Warning	OUN	Harper	43 min
Jul 22, 1:38 AM CDT	Severe Thunderstorm Warning	OUN	Ellis, Harper, Woodward	52 min
Jul 22, 1:43 AM CDT	Severe Thunderstorm Warning	OUN	Woods	57 min
Jul 22, 2:18 AM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Woods	47 min
Jul 22, 2:26 AM CDT	Severe Thunderstorm Warning	OUN	Major, Woodward	49 min
Jul 22, 3:04 AM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Grant	41 min
Jul 22, 3:09 AM CDT	Severe Thunderstorm Warning	OUN	Blaine	51 min
Jul 22, 3:13 AM CDT	Severe Thunderstorm Warning	OUN	Garfield, Major	47 min
Jul 22, 3:20 AM CDT	Severe Thunderstorm Warning	OUN	Custer, Dewey	40 min
Jul 22, 3:23 AM CDT	Severe Thunderstorm Warning	OUN	Kingfisher	52 min
Jul 22, 3:31 AM CDT	Severe Thunderstorm Warning	OUN	Caddo, Canadian	49 min
Jul 22, 3:49 AM CDT	Severe Thunderstorm Warning	OUN	Logan	41 min
Jul 22, 3:57 AM CDT	Severe Thunderstorm Warning	OUN	Garfield, Noble	48 min
Jul 22, 4:03 AM CDT	Severe Thunderstorm Warning	OUN	Caddo, Custer, Washita	42 min
Jul 22, 4:06 AM CDT	Severe Thunderstorm Warning	OUN	Oklahoma	39 min
Jul 22, 4:10 AM CDT	Severe Thunderstorm Warning	OUN	Canadian, Kingfisher	50 min
Jul 22, 4:20 AM CDT	Severe Thunderstorm Warning	OUN	Grady	50 min
Jul 22, 4:25 AM CDT	Severe Thunderstorm Warning	OUN	Cleveland, McClain	60 min
Jul 22, 4:34 AM CDT	Severe Thunderstorm Warning	OUN	Logan, Payne	41 min
Jul 22, 4:40 AM CDT	Severe Thunderstorm Warning	OUN	Oklahoma	35 min
Jul 22, 4:51 AM CDT	Severe Thunderstorm Warning	OUN	Lincoln	49 min
Jul 22, 5:08 AM CDT	Severe Thunderstorm Warning	OUN	Oklahoma	52 min
Jul 22, 5:16 AM CDT	Severe Thunderstorm Warning	OUN	Pottawatomie	49 min
Jul 22, 5:37 AM CDT	Severe Thunderstorm Warning	OUN	Cleveland, McClain	38 min
Jul 22, 5:37 AM CDT	Severe Thunderstorm Warning	OUN	Garvin	38 min
Jul 22, 5:45 AM CDT	Severe Thunderstorm Warning	OUN	Hughes, Seminole	55 min
Jul 22, 5:45 AM CDT	Severe Thunderstorm Warning	OUN	Lincoln	55 min
Jul 22, 5:49 AM CDT	Severe Thunderstorm Warning	OUN	Murray, Pontotoc	51 min

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 5.0 hours before the alert went out and 101 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1398 J/kg
Mixed-layer CIN: -131 J/kg
Mixed-layer LCL: 1289 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 22 m²/s²
0-3 km storm-relative helicity: 128 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

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.

Issued	Product	Office	Counties	Lasted
Jul 21, 11:00 PM CDT	Severe Thunderstorm Watch	SPC	Cimarron, Texas	5 hr
Jul 22, 6:00 AM CDT	Severe Thunderstorm Watch	SPC	Atoka, Bryan, Carter, Choctaw, Coal, Jefferson and 7 more	5 hr

Nearby

Severe Thunderstorm Watches in Oklahoma, 2000 Every 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.