Alert archive / Texas / Mesoscale Discussions in 2015
Mesoscale Discussion 116
The Storm Prediction Center issued this mesoscale discussion at Mar 4, 2015, 4:41 PM CST for 23 counties in Texas. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 4, 2015, 4:41 PM CST (22:41 UTC)
- Expired
- Mar 4, 2015, 10:45 PM CST
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 23 counties
Archer County, TX, Baylor County, TX, Borden County, TX, Crosby County, TX, Dawson County, TX, Dickens County, TX, Fisher County, TX, Foard County, TX, Garza County, TX, Haskell County, TX, Jones County, TX, Kent County, TX, King County, TX, Knox County, TX, Lubbock County, TX, Lynn County, TX, Scurry County, TX, Shackelford County, TX, Stonewall County, TX, Throckmorton County, TX, Wichita County, TX, Wilbarger County, TX, Young County, TX
The nearest sounding before it
Fort Worth, TX (KFWD), launched 12:00Z, 10.7 hours before the alert went out and 272 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 434 m above ground
- 0-6 km bulk shear
- 77 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- 55 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 |
|---|---|---|---|---|
| Mar 4, 10:00 AM CST | Mesoscale Discussion | SPC | Armstrong, Briscoe, Childress, Collingsworth, Cottle, Donley and 8 more | 5 hr |
| Mar 4, 2:12 PM CST | Mesoscale Discussion | SPC | Archer, Clay, Collin, Cooke, Denton, Fannin and 5 more | 4 hr |
Nearby
Mesoscale Discussions in Texas, 2015Every mesoscale discussion in 2015
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.