Alert archive / Oklahoma / Severe Thunderstorm Watches in 2005

Severe Thunderstorm Watch 571

July 1, 200532 counties in Oklahoma

The Storm Prediction Center issued this severe thunderstorm watch at Jul 1, 2005, 5:10 AM CDT for 32 counties in Oklahoma. It was in force for 8 hr.

The area

The outline as issued.

The facts

Issued
Jul 1, 2005, 5:10 AM CDT (10:10 UTC)
Expired
Jul 1, 2005, 1:00 PM CDT
In force
8 hr
Issued by
the Storm Prediction Center
All 32 counties

Atoka County, OK, Blaine County, OK, Caddo County, OK, Canadian County, OK, Cleveland County, OK, Coal County, OK, Creek County, OK, Garfield County, OK, Garvin County, OK, Grady County, OK, Haskell County, OK, Hughes County, OK, Kingfisher County, OK, Latimer County, OK, LeFlore County, OK, Lincoln County, OK, Logan County, OK, Major County, OK, McClain County, OK, McCurtain County, OK, McIntosh County, OK, Muskogee County, OK, Okfuskee County, OK, Oklahoma County, OK, Okmulgee County, OK, Payne County, OK, Pittsburg County, OK, Pontotoc County, OK, Pottawatomie County, OK, Pushmataha County, OK, Seminole County, OK, Sequoyah County, OK

The radar

The Norman radar (KTLX), 33 km from the middle of the area, began a volume at 10:11 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

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

IssuedProductOfficeCountiesLasted
Jul 1, 7:06 AM CDTSevere Thunderstorm WarningOUNPottawatomie26 min
Jul 1, 7:45 AM CDTSevere Thunderstorm WarningOUNPontotoc30 min
Jul 1, 7:59 AM CDTSevere Thunderstorm WarningOUNCoal, Johnston31 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

Lamont, OK (KLMN), launched 00:00Z, 10.2 hours before the alert went out and 129 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, Lamont, OK at 00:00Z on 2005-07-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1264 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, Lamont, OK at 00:00Z on 2005-07-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 35 square meters per square second.193958Sfc1 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
1264 J/kg
Mixed-layer CIN
-65 J/kg
Mixed-layer LCL
2616 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
35 m²/s²
0-3 km storm-relative helicity
86 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.1

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 30, 8:30 PM CDTSevere Thunderstorm WatchSPCCraig, Nowata, Ottawa8 hr
Jun 30, 10:42 PM CDTMesoscale DiscussionSPCCraig, Ottawa93 min
Jun 30, 11:32 PM CDTMesoscale DiscussionSPCBeaver, Cimarron, Texas118 min
Jul 1, 1:12 AM CDTMesoscale DiscussionSPCAdair, Alfalfa, Blaine, Cherokee, Craig, Creek and 27 more33 min
Jul 1, 1:40 AM CDTSevere Thunderstorm WatchSPCAdair, Cherokee, Craig, Delaware, Mayes, Nowata and 6 more7 hr
Jul 1, 2:10 AM CDTSevere Thunderstorm WatchSPCAlfalfa, Beaver, Beckham, Blaine, Canadian, Custer and 16 more7 hr
Jul 1, 3:24 AM CDTMesoscale DiscussionSPCAlfalfa, Beckham, Blaine, Canadian, Custer, Dewey and 16 more96 min
Jul 1, 4:48 AM CDTMesoscale DiscussionSPCAdair, Cherokee, Craig, Delaware, Mayes, Nowata and 6 more57 min
Jul 1, 5:02 AM CDTMesoscale DiscussionSPCAtoka, Caddo, Canadian, Cleveland, Coal, Comanche and 16 more28 min
Jul 1, 7:31 AM CDTMesoscale DiscussionSPCAtoka, Coal, Creek, Garvin, Haskell, Hughes and 16 more59 min
Jul 1, 9:55 AM CDTMesoscale DiscussionSPCBryan, Choctaw, Pushmataha65 min
Jul 1, 2:44 PM CDTMesoscale DiscussionSPCCimarron2 hr
Jul 1, 6:45 PM CDTMesoscale DiscussionSPCBeaver, Cimarron, Texas90 min

Nearby

Severe Thunderstorm Watches in Oklahoma, 2005Every severe thunderstorm watch in 2005

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.