Alert archive / Texas / Severe Thunderstorm Watches in 2014
Severe Thunderstorm Watch 323
The Storm Prediction Center issued this severe thunderstorm watch at Jun 18, 2014, 2:51 PM CDT for 8 counties in Oklahoma; 31 counties in Texas. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 18, 2014, 2:51 PM CDT (19:51 UTC)
- Expired
- Jun 18, 2014, 10:00 PM CDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
All 39 counties
Beaver County, OK, Beckham County, OK, Ellis County, OK, Harper County, OK, Roger Mills County, OK, Texas County, OK, Woods County, OK, Woodward 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, Deaf Smith County, TX, Donley County, TX, Floyd County, TX, Gray County, TX, Hale County, TX, Hall County, TX, Hansford County, TX, Hemphill County, TX, Hutchinson County, TX, Lamb County, TX, Lipscomb 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, Wheeler County, TX
The radar
The Amarillo radar (KAMA), 36 km from the middle of the area, began a volume at 19:54 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.
What SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 10%
- One or more EF2 to EF5 tornadoes
- 2%
- Ten or more severe wind reports
- 30%
- One or more gusts of 65 knots or more
- 10%
- Ten or more severe hail reports
- 30%
- One or more hailstones of 2 inches or more
- 30%
- Six or more combined severe hail and wind reports
- 60%
Warnings issued inside it
9 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 2:57 PM CDT | Severe Thunderstorm Warning | LUB | Bailey, Lamb, Parmer | 48 min |
| Jun 18, 3:42 PM CDT | Severe Thunderstorm Warning | LUB | Bailey, Lamb | 48 min |
| Jun 18, 4:21 PM CDT | Severe Thunderstorm Warning | LUB | Cochran, Hockley | 24 min |
| Jun 18, 4:23 PM CDT | Severe Thunderstorm Warning | AMA | Deaf Smith | 67 min |
| Jun 18, 4:37 PM CDT | Severe Thunderstorm Warning | AMA | Carson, Hutchinson, Moore, Potter | 53 min |
| Jun 18, 4:40 PM CDT | Severe Thunderstorm Warning | AMA | Lipscomb | 65 min |
| Jun 18, 4:44 PM CDT | Severe Thunderstorm Warning | LUB | Cochran, Hockley | 46 min |
| Jun 18, 5:42 PM CDT | Severe Thunderstorm Warning | LUB | Lamb | 33 min |
| Jun 18, 6:17 PM CDT | Severe Thunderstorm Warning | LUB | Briscoe | 43 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Amarillo Airport, TX (KAMA), launched 12:00Z, 7.9 hours before the alert went out and 35 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
- 2946 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- -78 m²/s²
- 0-3 km storm-relative helicity
- 24 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 2:19 PM CDT | Mesoscale Discussion | SPC | Beaver, Texas | 56 min |
| Jun 18, 6:41 PM CDT | Mesoscale Discussion | SPC | Beaver, Ellis, Harper | 94 min |
Nearby
Severe Thunderstorm Watches in Texas, 2014Severe Thunderstorm Watches in Oklahoma, 2014Every severe thunderstorm watch in 2014
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.