Alert archive / Oklahoma / Mesoscale Discussions in 2006

Mesoscale Discussion 729

May 2, 200624 counties in Oklahoma

The Storm Prediction Center issued this mesoscale discussion at May 2, 2006, 7:42 PM CDT for 24 counties in Oklahoma. It was in force for 93 min.

The area

The outline as issued.

The facts

Issued
May 2, 2006, 7:42 PM CDT (00:42 UTC)
Expired
May 2, 2006, 9:15 PM CDT
In force
93 min
Issued by
the Storm Prediction Center
All 24 counties

Carter County, OK, Cleveland County, OK, Coal County, OK, Creek County, OK, Garfield County, OK, Garvin County, OK, Grant County, OK, Hughes County, OK, Johnston County, OK, Kay County, OK, Lincoln County, OK, Logan County, OK, McClain County, OK, Murray County, OK, Noble County, OK, Okfuskee County, OK, Oklahoma County, OK, Okmulgee County, OK, Osage County, OK, Pawnee County, OK, Payne County, OK, Pontotoc County, OK, Pottawatomie County, OK, Seminole County, OK

The radar

The Norman radar (KTLX), 65 km from the middle of the area, began a volume at 00:43 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.

The watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 0.7 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, Norman, OK at 00:00Z on 2006-05-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 188 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 2006-05-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 38 square meters per square second.19395878Sfc1 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
188 J/kg
Mixed-layer CIN
-262 J/kg
Mixed-layer LCL
2004 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
38 m²/s²
0-3 km storm-relative helicity
130 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 2, 8:06 PM CDTSevere Thunderstorm WatchSPCAtoka, Bryan, Carter, Coal, Garvin, Grady and 8 more5 hr
May 2, 9:24 PM CDTMesoscale DiscussionSPCBryan, Carter, Cleveland, Coal, Garvin, Grady and 10 more96 min
May 2, 10:32 PM CDTMesoscale DiscussionSPCBryan, Johnston, Love, Marshall, Murray88 min
May 3, 1:28 AM CDTMesoscale DiscussionSPCAtoka, Bryan, Choctaw, Latimer, Marshall, Pittsburg and 1 more32 min
May 3, 12:46 PM CDTMesoscale DiscussionSPCCraig, Delaware, Mayes, Nowata, Ottawa59 min
May 3, 2:42 PM CDTMesoscale DiscussionSPCAlfalfa, Craig, Delaware, Dewey, Ellis, Garfield and 15 more33 min
May 3, 2:59 PM CDTSevere Thunderstorm WatchSPCAlfalfa, Beckham, Blaine, Craig, Custer, Delaware and 21 more7 hr
May 3, 3:42 PM CDTMesoscale DiscussionSPCComanche, Cotton, Harmon, Jackson, Kiowa, Tillman93 min
May 3, 3:56 PM CDTSevere Thunderstorm WatchSPCCaddo, Canadian, Comanche, Cotton, Grady, Greer and 7 more7 hr
May 3, 6:38 PM CDTMesoscale DiscussionSPCAlfalfa, Blaine, Craig, Custer, Dewey, Ellis and 14 more97 min

Nearby

Mesoscale Discussions in Oklahoma, 2006Every mesoscale discussion in 2006

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.