Alert archive / Texas / Mesoscale Discussions in 2003
Mesoscale Discussion 1435
The Storm Prediction Center issued this mesoscale discussion at Jun 20, 2003, 6:30 PM CDT for 8 counties in Oklahoma; 41 counties in Texas. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 20, 2003, 6:30 PM CDT (23:30 UTC)
- Expired
- Jun 20, 2003, 8:30 PM CDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
All 49 counties
Beaver County, OK, Beckham County, OK, Ellis County, OK, Greer County, OK, Harmon County, OK, Harper County, OK, Roger Mills County, OK, Texas County, OK, Armstrong County, TX, Bailey County, TX, Briscoe County, TX, Carson County, TX, Castro County, TX, Childress County, TX, Cochran County, TX, Collingsworth County, TX, Cottle County, TX, Crosby County, TX, Deaf Smith County, TX, Dickens County, TX, Donley County, TX, Floyd County, TX, Garza County, TX, Gray County, TX, Hale County, TX, Hall County, TX, Hansford County, TX, Hardeman County, TX, Hartley County, TX, Hemphill County, TX, Hockley County, TX, Hutchinson County, TX, Lamb County, TX, Lipscomb County, TX, Lubbock County, TX, Lynn County, TX, Moore County, TX, Motley County, TX, Ochiltree County, TX, Oldham County, TX, Parmer County, TX, Potter County, TX, Randall County, TX, Roberts County, TX, Sherman County, TX, Swisher County, TX, Terry County, TX, Wheeler County, TX, Yoakum County, TX
The radar
The Amarillo radar (KAMA), 64 km from the middle of the area, began a volume at 23:32 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
Amarillo Airport, TX (KAMA), launched 12:00Z, 11.5 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1342 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 199 m²/s²
- 0-3 km storm-relative helicity
- 220 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 |
|---|---|---|---|---|
| Jun 20, 3:21 PM CDT | Mesoscale Discussion | SPC | Cimarron | 114 min |
| Jun 20, 3:45 PM CDT | Tornado Watch | SPC | Cimarron, Texas | 6 hr |
| Jun 20, 2:28 AM CDT | Mesoscale Discussion | SPC | Briscoe, Cochran, Crosby, Dickens, Floyd, Garza and 9 more | 92 min |
| Jun 20, 12:14 PM CDT | Mesoscale Discussion | SPC | Culberson, Loving, Reeves, Ward, Winkler | 2 hr |
| Jun 20, 4:34 PM CDT | Mesoscale Discussion | SPC | Andrews, Crane, Crockett, Ector, Loving, Midland and 7 more | 116 min |
Nearby
Mesoscale Discussions in Texas, 2003Mesoscale Discussions in Oklahoma, 2003Every mesoscale discussion in 2003
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.