Alert archive / Oklahoma / Mesoscale Discussions in 2005
Mesoscale Discussion 71
The Storm Prediction Center issued this mesoscale discussion at Jan 12, 2005, 5:38 PM CST for McDonald County, Newton County, Missouri; 44 counties in Oklahoma; 12 counties in Texas. It was in force for 97 min.
The area
The outline as issued.
The facts
- Issued
- Jan 12, 2005, 5:38 PM CST (23:38 UTC)
- Expired
- Jan 12, 2005, 7:15 PM CST
- In force
- 97 min
- Issued by
- the Storm Prediction Center
All 58 counties
McDonald County, MO, Newton County, MO, Adair County, OK, Atoka County, OK, Bryan County, OK, Carter County, OK, Cherokee County, OK, Choctaw County, OK, Cleveland County, OK, Coal County, OK, Craig County, OK, Creek County, OK, Delaware County, OK, Garvin County, OK, Haskell County, OK, Hughes County, OK, Jefferson County, OK, Johnston County, OK, Latimer County, OK, Lincoln County, OK, Love County, OK, Marshall County, OK, Mayes County, OK, McClain County, OK, McIntosh County, OK, Murray County, OK, Muskogee County, OK, Nowata County, OK, Okfuskee County, OK, Oklahoma County, OK, Okmulgee County, OK, Osage County, OK, Ottawa 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, Clay County, TX, Collin County, TX, Cooke County, TX, Delta County, TX, Denton County, TX, Fannin County, TX, Grayson County, TX, Hunt County, TX, Jack County, TX, Lamar County, TX, Montague County, TX, Wise County, TX
The radar
The Norman radar (KTLX), 61 km from the middle of the area, began a volume at 23:39 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
Norman, OK (KOUN), launched 12:00Z, 11.6 hours before the alert went out and 74 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.
000 ACUS11 KWNS 122339 SWOMCD SPC MCD 122338 ARZ000-MOZ000-OKZ000-TXZ000-130115- MESOSCALE DISCUSSION 0071 NWS STORM PREDICTION CENTER NORMAN OK 0538 PM CST WED JAN 12 2005 AREAS AFFECTED...ERN OK / ERN N TX CONCERNING...SEVERE THUNDERSTORM WATCH 2... VALID 122338Z - 130115Z SEVERE THREAT CONTINUES -- PARTICULARLY ACROSS ERN PORTIONS OF WW. THOUGH THREAT FOR CONVECTIVE DEVELOPMENT CONTINUES ALONG SURFACE TROUGH NOW EXTENDING FROM CENTRAL OK SWD ACROSS THE DFW METROPLEX...AREA OF GREATEST SHORT-TERM SEVERE THREAT REMAINS FURTHER EAST ALONG CONVECTIVE LINE ACROSS ERN PORTIONS OF WW. OVER THE NEXT HOUR AND A HALF OR SO...ATTENDANT THREAT FOR HAIL / DAMAGING WINDS AND PERHAPS AN ISOLATED TORNADO WILL SHIFT EWD INTO SRN PORTIONS OF WW 003 AND NEWLY-ISSUED WW 005. ..GOSS.. 01/12/2005 ...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT... ATTN...WFO...SGF...TSA...FWD...OUN... 36919676 36939412 33119572 33119857 35329769
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 12, 7:06 AM CST | Mesoscale Discussion | SPC | Andrew, Atchison, Buchanan, Gentry, Holt, Nodaway and 1 more | 5 hr |
| Jan 12, 10:42 AM CST | Mesoscale Discussion | SPC | Andrew, Buchanan, Caldwell, Clinton, Daviess, DeKalb and 8 more | 63 min |
| Jan 12, 12:29 PM CST | Mesoscale Discussion | SPC | Andrew, Buchanan, DeKalb, Gentry, Harrison, Holt and 2 more | 4 hr |
| Jan 12, 3:03 PM CST | Mesoscale Discussion | SPC | Audrain, Barry, Benton, Boone, Callaway, Camden and 40 more | 87 min |
| Jan 12, 3:05 PM CST | Severe Thunderstorm Watch | SPC | McDonald, Newton | 7 hr |
| Jan 12, 3:35 PM CST | Severe Thunderstorm Watch | SPC | Audrain, Barry, Benton, Boone, Callaway, Camden and 43 more | 6 hr |
| Jan 12, 4:25 PM CST | Mesoscale Discussion | SPC | Marion | 2 hr |
| Jan 12, 2:40 PM CST | Mesoscale Discussion | SPC | Atoka, Bryan, Canadian, Carter, Cherokee, Choctaw and 41 more | 65 min |
| 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 |
Nearby
Mesoscale Discussions in Oklahoma, 2005Mesoscale Discussions in Texas, 2005Mesoscale Discussions in Missouri, 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.