Alert archive / Texas / Severe Thunderstorm Watches in 2003
Severe Thunderstorm Watch 916
The Storm Prediction Center issued this severe thunderstorm watch at Sep 9, 2003, 2:50 PM CDT for 11 counties in Kansas; Beaver County, Texas County, Oklahoma; 31 counties in Texas. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Sep 9, 2003, 2:50 PM CDT (19:50 UTC)
- Expired
- Sep 9, 2003, 8:00 PM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 44 counties
Finney County, KS, Grant County, KS, Gray County, KS, Hamilton County, KS, Haskell County, KS, Kearny County, KS, Meade County, KS, Morton County, KS, Seward County, KS, Stanton County, KS, Stevens County, KS, Beaver County, OK, Texas County, OK, Armstrong County, TX, Bailey County, TX, Briscoe County, TX, Carson County, TX, Castro County, TX, Cochran County, TX, Crosby County, TX, Deaf Smith County, TX, Donley County, TX, Floyd County, TX, Garza County, TX, Gray County, TX, Hale County, TX, Hansford County, TX, Hartley County, TX, Hockley County, TX, Hutchinson County, TX, Lamb County, TX, Lubbock County, TX, Lynn County, TX, Moore 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, Yoakum County, TX
The radar
The Amarillo radar (KAMA), 27 km from the middle of the area, began a volume at 19:50 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.
Warnings issued inside it
2 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 9, 6:38 PM CDT | Flash Flood Warning | AMA | Hartley, Oldham | 3 hr |
| Sep 9, 7:52 PM CDT | Severe Thunderstorm Warning | AMA | Deaf Smith, Oldham | 53 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, 7.8 hours before the alert went out and 27 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
- 1241 J/kg
- Mixed-layer CIN
- -248 J/kg
- Mixed-layer LCL
- 1306 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 243 m²/s²
- 0-3 km storm-relative helicity
- 374 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.9
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 9, 2:16 PM CDT | Mesoscale Discussion | SPC | Grant, Haskell, Meade, Seward, Stevens | 119 min |
| Sep 9, 5:05 PM CDT | Tornado Watch | SPC | Decatur, Ellis, Gove, Graham, Lane, Logan and 12 more | 5 hr |
| Sep 9, 5:10 PM CDT | Mesoscale Discussion | SPC | Finney, Grant, Gray, Hamilton, Haskell, Kearny and 5 more | 2 hr |
| Sep 9, 5:40 PM CDT | Mesoscale Discussion | SPC | Cheyenne, Sherman | 95 min |
| Sep 9, 3:00 PM CDT | Mesoscale Discussion | SPC | Andrews, Crane, Culberson, Ector, Loving, Pecos and 3 more | 2 hr |
Nearby
Severe Thunderstorm Watches in Texas, 2003Severe Thunderstorm Watches in Kansas, 2003Severe Thunderstorm Watches in Oklahoma, 2003Every severe thunderstorm watch 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.