Alert archive / Oklahoma / Tornado Watches in 2008

Tornado Watch 471

June 5, 20085 counties in Arkansas; 30 counties in Oklahoma

The Storm Prediction Center issued this tornado watch at Jun 5, 2008, 9:57 PM CDT for 5 counties in Arkansas; 30 counties in Oklahoma. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Jun 5, 2008, 9:57 PM CDT (02:57 UTC)
Expired
Jun 6, 2008, 4:18 AM CDT
In force
6 hr
Issued by
the Storm Prediction Center
Largest hail expected
2 in
Strongest gust expected
70 kt
All 35 counties

Benton County, AR, Carroll County, AR, Crawford County, AR, Madison County, AR, Washington County, AR, Adair County, OK, Atoka County, OK, Bryan County, OK, Carter County, OK, Cherokee County, OK, Choctaw County, OK, Coal County, OK, Craig County, OK, Delaware County, OK, Haskell County, OK, Hughes County, OK, Johnston County, OK, Latimer County, OK, LeFlore County, OK, Love County, OK, Marshall County, OK, Mayes County, OK, McIntosh County, OK, Murray County, OK, Muskogee County, OK, Okfuskee County, OK, Okmulgee County, OK, Ottawa County, OK, Pittsburg County, OK, Pontotoc County, OK, Pushmataha County, OK, Rogers County, OK, Seminole County, OK, Sequoyah County, OK, Wagoner County, OK

The radar

The Tulsa radar (KINX), 39 km from the middle of the area, began a volume at 02:57 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.

What SPC expected

The probabilities SPC published with the watch, for the watch area over its life.

Two or more tornadoes
40%
One or more EF2 to EF5 tornadoes
20%
Ten or more severe wind reports
90%
One or more gusts of 65 knots or more
70%
Ten or more severe hail reports
50%
One or more hailstones of 2 inches or more
20%
Six or more combined severe hail and wind reports
95%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Jun 5, 10:10 PM CDTSevere Thunderstorm WarningOUNCleveland, Hughes, Lincoln, McClain, Pontotoc, Pottawatomie and 1 more65 min
Jun 5, 10:24 PM CDTSevere Thunderstorm WarningOUNCarter, Garvin, Jefferson, Love, Murray, Pontotoc and 1 more81 min
Jun 5, 10:46 PM CDTSevere Thunderstorm WarningTSACreek, Okfuskee, Okmulgee74 min
Jun 5, 11:34 PM CDTTornado WarningTSACreek, Okmulgee, Tulsa, Wagoner41 min
Jun 5, 11:43 PM CDTSevere Thunderstorm WarningTSAMcIntosh, Muskogee, Okmulgee, Pittsburg, Rogers, Tulsa and 1 more77 min
Jun 5, 11:51 PM CDTSevere Thunderstorm WarningTSARogers54 min
Jun 6, 12:07 AM CDTTornado WarningTSARogers, Tulsa, Wagoner38 min
Jun 6, 12:23 AM CDTSevere Thunderstorm WarningTSAAdair, Cherokee, Craig, Delaware, Haskell, McIntosh and 6 more67 min
Jun 6, 1:09 AM CDTSevere Thunderstorm WarningTSABenton66 min
Jun 6, 1:24 AM CDTSevere Thunderstorm WarningTSAAdair, Cherokee, Delaware, Ottawa66 min
Jun 6, 1:32 AM CDTSevere Thunderstorm WarningTSAAdair, Cherokee45 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 3.0 hours before the alert went out and 184 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, Norman, OK at 00:00Z on 2008-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2209 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, Norman, OK at 00:00Z on 2008-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 339 square meters per square second.1939587897Sfc1 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
2209 J/kg
Mixed-layer CIN
-40 J/kg
Mixed-layer LCL
1457 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
339 m²/s²
0-3 km storm-relative helicity
408 m²/s²
Significant tornado parameter
3.2
Supercell composite
21.2

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 6, 4:19 AM CDTMesoscale DiscussionSPCBenton, Boone, Carroll, Madison, Washington26 min
Jun 5, 7:44 PM CDTMesoscale DiscussionSPCAtchison, Holt, Nodaway, Worth91 min
Jun 5, 9:39 PM CDTMesoscale DiscussionSPCBarton, Bates, Benton, Caldwell, Carroll, Cass and 22 more66 min
Jun 5, 9:43 PM CDTTornado WatchSPCAdair, Audrain, Barry, Barton, Benton, Boone and 54 more7 hr
Jun 6, 5:14 AM CDTMesoscale DiscussionSPCFranklin, Jefferson, Lincoln, Saint Charles, Saint Louis, Warren and 1 more61 min
Jun 6, 10:50 AM CDTMesoscale DiscussionSPCAudrain, Boone, Callaway, Camden, Christian, Cole and 41 more85 min
Jun 6, 12:13 PM CDTTornado WatchSPCBarry, Bollinger, Butler, Camden, Cape Girardeau, Carter and 48 more9 hr
Jun 6, 2:27 PM CDTMesoscale DiscussionSPCJefferson, Saint Francois, Washington, City of Saint Louis93 min
Jun 5, 7:13 PM CDTMesoscale DiscussionSPCBlaine, Caddo, Canadian, Cleveland, Comanche, Cotton and 24 more62 min
Jun 5, 7:41 PM CDTTornado WatchSPCBlaine, Caddo, Canadian, Cleveland, Comanche, Cotton and 27 more7 hr
Jun 5, 9:19 PM CDTMesoscale DiscussionSPCAtoka, Bryan, Caddo, Canadian, Carter, Cherokee and 40 more116 min
Jun 5, 11:28 PM CDTMesoscale DiscussionSPCAdair, Atoka, Bryan, Carter, Cherokee, Choctaw and 36 more92 min

Nearby

Tornado Watches in Oklahoma, 2008Tornado Watches in Arkansas, 2008Every tornado watch in 2008

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.