Alert archive / Texas / Mesoscale Discussions in 2005
Mesoscale Discussion 70
The Storm Prediction Center issued this mesoscale discussion at Jan 12, 2005, 4:52 PM CST for 17 counties in Arkansas; 6 counties in Oklahoma; 43 counties in Texas. It was in force for 83 min.
The area
The outline as issued.
The facts
- Issued
- Jan 12, 2005, 4:52 PM CST (22:52 UTC)
- Expired
- Jan 12, 2005, 6:15 PM CST
- In force
- 83 min
- Issued by
- the Storm Prediction Center
All 66 counties
Clark County, AR, Conway County, AR, Garland County, AR, Hempstead County, AR, Hot Spring County, AR, Howard County, AR, Little River County, AR, Logan County, AR, Miller County, AR, Montgomery County, AR, Perry County, AR, Pike County, AR, Polk County, AR, Scott County, AR, Sebastian County, AR, Sevier County, AR, Yell County, AR, Choctaw County, OK, Haskell County, OK, Latimer County, OK, LeFlore County, OK, McCurtain County, OK, Pushmataha County, OK, Anderson County, TX, Bell County, TX, Bowie County, TX, Burnet County, TX, Camp County, TX, Cass County, TX, Cherokee County, TX, Collin County, TX, Coryell County, TX, Dallas County, TX, Delta County, TX, Ellis County, TX, Falls County, TX, Fannin County, TX, Franklin County, TX, Freestone County, TX, Gregg County, TX, Harrison County, TX, Henderson County, TX, Hill County, TX, Hopkins County, TX, Houston County, TX, Hunt County, TX, Kaufman County, TX, Lamar County, TX, Leon County, TX, Limestone County, TX, Madison County, TX, Marion County, TX, McLennan County, TX, Milam County, TX, Morris County, TX, Navarro County, TX, Rains County, TX, Red River County, TX, Robertson County, TX, Rockwall County, TX, Rusk County, TX, Smith County, TX, Titus County, TX, Upshur County, TX, Van Zandt County, TX, Wood County, TX
The watches that followed
Watches SPC issued over any of the same counties within four hours of this discussion.
The nearest sounding before it
Fort Worth, TX (KFWD), launched 12:00Z, 10.9 hours before the alert went out and 189 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
- 141 J/kg
- Mixed-layer CIN
- -481 J/kg
- Mixed-layer LCL
- 841 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 278 m²/s²
- 0-3 km storm-relative helicity
- 340 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, 3:03 PM CST | Mesoscale Discussion | SPC | Baxter, Benton, Boone, Carroll, Crawford, Franklin and 9 more | 87 min |
| Jan 12, 3:35 PM CST | Severe Thunderstorm Watch | SPC | Baxter, Benton, Boone, Carroll, Crawford, Franklin and 9 more | 6 hr |
| Jan 12, 5:25 PM CST | Severe Thunderstorm Watch | SPC | Clark, Conway, Garland, Hempstead, Hot Spring, Howard and 15 more | 6 hr |
| Jan 12, 2:40 PM CST | Mesoscale Discussion | SPC | Atoka, Bryan, Canadian, Carter, Cherokee, Choctaw and 41 more | 65 min |
| Jan 12, 3:05 PM CST | Severe Thunderstorm Watch | SPC | Adair, Atoka, Bryan, Canadian, Carter, Cherokee and 44 more | 7 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 Texas, 2005Mesoscale Discussions in Arkansas, 2005Mesoscale Discussions in Oklahoma, 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.