Alert archive / Oklahoma / Mesoscale Discussions in 2007
Mesoscale Discussion 43
The Storm Prediction Center issued this mesoscale discussion at Jan 12, 2007, 12:49 PM CST for 42 counties in Oklahoma; 8 counties in Texas. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Jan 12, 2007, 12:49 PM CST (18:49 UTC)
- Expired
- Jan 12, 2007, 5:45 PM CST
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 50 counties
Caddo County, OK, Canadian County, OK, Carter County, OK, Cherokee County, OK, Cleveland County, OK, Coal County, OK, Comanche County, OK, Cotton County, OK, Creek County, OK, Garvin County, OK, Grady County, OK, Hughes County, OK, Jackson County, OK, Jefferson County, OK, Johnston County, OK, Kingfisher County, OK, Kiowa County, OK, Lincoln County, OK, Logan County, OK, Love County, OK, Mayes County, OK, McClain County, OK, McIntosh County, OK, Murray County, OK, Muskogee County, OK, Noble 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, Rogers County, OK, Seminole County, OK, Stephens County, OK, Tillman County, OK, Tulsa County, OK, Wagoner County, OK, Washington County, OK, Archer County, TX, Baylor County, TX, Clay County, TX, Foard County, TX, Hardeman County, TX, Montague County, TX, Wichita County, TX, Wilbarger County, TX
The radar
The Norman radar (KTLX), 26 km from the middle of the area, began a volume at 18:51 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 nearest sounding before it
Lamont, OK (KLMN), launched 12:00Z, 6.8 hours before the alert went out and 170 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
- 19 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 416 m above ground
- 0-6 km bulk shear
- 75 kt
- 0-1 km storm-relative helicity
- 328 m²/s²
- 0-3 km storm-relative helicity
- 412 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, 6:46 AM CST | Mesoscale Discussion | SPC | Beckham, Blaine, Caddo, Canadian, Craig, Creek and 22 more | 4 hr |
| Jan 12, 12:34 PM CST | Mesoscale Discussion | SPC | Craig, Delaware, Ottawa | 5 hr |
| Jan 12, 5:14 PM CST | Mesoscale Discussion | SPC | Bell, Burnet, Coryell, Falls, Freestone, Hill and 8 more | 91 min |
Nearby
Mesoscale Discussions in Oklahoma, 2007Mesoscale Discussions in Texas, 2007Every mesoscale discussion in 2007
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.