Alert archive / Oklahoma / Mesoscale Discussions in 2005
Mesoscale Discussion 67
The Storm Prediction Center issued this mesoscale discussion at Jan 12, 2005, 2:40 PM CST for 47 counties in Oklahoma; 23 counties in Texas. It was in force for 65 min.
The area
The outline as issued.
The facts
- Issued
- Jan 12, 2005, 2:40 PM CST (20:40 UTC)
- Expired
- Jan 12, 2005, 3:45 PM CST
- In force
- 65 min
- Issued by
- the Storm Prediction Center
All 70 counties
Atoka County, OK, Bryan County, OK, Canadian County, OK, Carter County, OK, Cherokee County, OK, Choctaw County, OK, Cleveland County, OK, Coal County, OK, Comanche County, OK, Cotton County, OK, Craig County, OK, Creek County, OK, Garvin County, OK, Grady County, OK, Haskell County, OK, Hughes County, OK, Jefferson County, OK, Johnston County, OK, Latimer County, OK, Lincoln County, OK, Logan County, OK, Love County, OK, Marshall County, OK, Mayes County, OK, McClain County, OK, McIntosh County, OK, Murray County, OK, Muskogee County, OK, Noble County, OK, Nowata County, OK, Okfuskee County, OK, Oklahoma County, OK, Okmulgee County, OK, Osage County, OK, Pawnee County, OK, Payne County, OK, Pittsburg County, OK, Pontotoc County, OK, Pottawatomie County, OK, Pushmataha County, OK, Rogers County, OK, Seminole County, OK, Sequoyah County, OK, Stephens County, OK, Tulsa County, OK, Wagoner County, OK, Washington County, OK, Archer County, TX, Baylor County, TX, Clay County, TX, Collin County, TX, Cooke County, TX, Dallas County, TX, Delta County, TX, Denton County, TX, Fannin County, TX, Grayson County, TX, Haskell County, TX, Hunt County, TX, Jack County, TX, Lamar County, TX, Montague County, TX, Palo Pinto County, TX, Parker County, TX, Rockwall County, TX, Tarrant County, TX, Throckmorton County, TX, Wichita County, TX, Wise County, TX, Young County, TX
The radar
The Norman radar (KTLX), 103 km from the middle of the area, began a volume at 20:44 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 12:00Z, 8.7 hours before the alert went out and 92 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.
- Mixed-layer CAPE
- 252 J/kg
- Mixed-layer CIN
- -408 J/kg
- Mixed-layer LCL
- 1114 m above ground
- 0-6 km bulk shear
- 67 kt
- 0-1 km storm-relative helicity
- 515 m²/s²
- 0-3 km storm-relative helicity
- 489 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 12, 3:05 PM CST | Severe Thunderstorm Watch | SPC | Adair, Atoka, Bryan, Canadian, Carter, Cherokee and 44 more | 7 hr |
| Jan 12, 3:35 PM CST | Severe Thunderstorm Watch | SPC | Adair, Sequoyah | 6 hr |
| Jan 12, 4:52 PM CST | Mesoscale Discussion | SPC | Choctaw, Haskell, Latimer, LeFlore, McCurtain, Pushmataha | 83 min |
| Jan 12, 5:25 PM CST | Severe Thunderstorm Watch | SPC | Choctaw, LeFlore, McCurtain, Pushmataha | 6 hr |
| Jan 12, 5:38 PM CST | Mesoscale Discussion | SPC | Adair, Atoka, Bryan, Carter, Cherokee, Choctaw and 38 more | 97 min |
Nearby
Mesoscale Discussions in Oklahoma, 2005Mesoscale Discussions in Texas, 2005Every mesoscale discussion 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.