Alert archive / Texas / Mesoscale Discussions in 2004
Mesoscale Discussion 1481
The Storm Prediction Center issued this mesoscale discussion at Jul 3, 2004, 3:32 AM CDT for 5 counties in Oklahoma; 18 counties in Texas. It was in force for 118 min.
The area
The outline as issued.
The facts
- Issued
- Jul 3, 2004, 3:32 AM CDT (08:32 UTC)
- Expired
- Jul 3, 2004, 5:30 AM CDT
- In force
- 118 min
- Issued by
- the Storm Prediction Center
All 23 counties
Carter County, OK, Cotton County, OK, Jefferson County, OK, Love County, OK, Tillman County, OK, Archer County, TX, Baylor County, TX, Clay County, TX, Collin County, TX, Cooke County, TX, Dallas County, TX, Denton County, TX, Grayson County, TX, Jack County, TX, Montague County, TX, Palo Pinto County, TX, Parker County, TX, Rockwall County, TX, Tarrant County, TX, Wichita County, TX, Wilbarger County, TX, Wise County, TX, Young 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 00:00Z, 8.5 hours before the alert went out and 64 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
- 3016 J/kg
- Mixed-layer CIN
- -77 J/kg
- Mixed-layer LCL
- 1345 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 60 m²/s²
- 0-3 km storm-relative helicity
- 198 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 4.6
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 |
|---|---|---|---|---|
| Jul 2, 7:17 PM CDT | Mesoscale Discussion | SPC | Comanche, Cotton, Greer, Harmon, Jackson, Kiowa and 1 more | 88 min |
| Jul 2, 7:51 PM CDT | Mesoscale Discussion | SPC | Cimarron, Texas | 84 min |
| Jul 2, 8:26 PM CDT | Mesoscale Discussion | SPC | Adair, Cherokee, Coal, Creek, Delaware, Haskell and 14 more | 94 min |
| Jul 2, 9:19 PM CDT | Mesoscale Discussion | SPC | Beaver, Cimarron, Ellis, Harper, Roger Mills, Texas | 56 min |
| Jul 2, 10:39 PM CDT | Mesoscale Discussion | SPC | Adair, Cherokee, Creek, Delaware, Haskell, Latimer and 11 more | 96 min |
| Jul 3, 1:01 AM CDT | Mesoscale Discussion | SPC | Atoka, Caddo, Canadian, Carter, Cleveland, Coal and 35 more | 89 min |
| Jul 3, 1:15 AM CDT | Severe Thunderstorm Watch | SPC | Caddo, Carter, Comanche, Cotton, Garvin, Grady and 10 more | 6 hr |
| Jul 3, 3:19 AM CDT | Mesoscale Discussion | SPC | Haskell, Latimer, LeFlore, McCurtain, McIntosh, Muskogee and 3 more | 2 hr |
| Jul 3, 6:15 AM CDT | Mesoscale Discussion | SPC | Bryan, Choctaw, Love, Marshall | 60 min |
| Jul 3, 4:05 AM CDT | Severe Thunderstorm Watch | SPC | Camp, Clay, Collin, Cooke, Dallas, Delta and 22 more | 4 hr |
Nearby
Mesoscale Discussions in Texas, 2004Mesoscale Discussions in Oklahoma, 2004Every mesoscale discussion in 2004
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.