Alert archive / Kansas / Severe Thunderstorm Watches in 2007
Severe Thunderstorm Watch 515
The Storm Prediction Center issued this severe thunderstorm watch at Jul 12, 2007, 5:54 PM CDT for 4 states. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 12, 2007, 5:54 PM CDT (22:54 UTC)
- Expired
- Jul 13, 2007, 1:00 AM CDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1.5 in
- Strongest gust expected
- 60 kt
All 43 counties
Barber County, KS, Clark County, KS, Comanche County, KS, Edwards County, KS, Finney County, KS, Ford County, KS, Grant County, KS, Gray County, KS, Hamilton County, KS, Haskell County, KS, Hodgeman County, KS, Kearny County, KS, Kiowa County, KS, Lane County, KS, Meade County, KS, Morton County, KS, Ness County, KS, Pawnee County, KS, Pratt County, KS, Rush County, KS, Scott County, KS, Seward County, KS, Stafford County, KS, Stanton County, KS, Stevens County, KS, Harding County, NM, Quay County, NM, Union County, NM, Beaver County, OK, Cimarron County, OK, Ellis County, OK, Harper County, OK, Texas County, OK, Woods County, OK, Woodward County, OK, Dallam County, TX, Hansford County, TX, Hartley County, TX, Lipscomb County, TX, Moore County, TX, Ochiltree County, TX, Oldham County, TX, Sherman County, TX
The radar
The Amarillo radar (KAMA), 168 km from the middle of the area, began a volume at 22:57 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
- 20%
- One or more EF2 to EF5 tornadoes
- 2%
- Ten or more severe wind reports
- 40%
- 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
- 10%
- Six or more combined severe hail and wind reports
- 95%
Warnings issued inside it
6 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 12, 6:30 PM CDT | Severe Thunderstorm Warning | AMA | Beaver | 60 min |
| Jul 12, 6:31 PM CDT | Severe Thunderstorm Warning | AMA | Texas | 59 min |
| Jul 12, 7:01 PM CDT | Severe Thunderstorm Warning | DDC | Meade | 21 min |
| Jul 12, 7:08 PM CDT | Flash Flood Warning | AMA | Texas | 2 hr |
| Jul 12, 7:27 PM CDT | Severe Thunderstorm Warning | DDC | Meade | 48 min |
| Jul 12, 9:00 PM CDT | Severe Thunderstorm Warning | DDC | Finney | 45 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
Dodge City, (KDDC), launched 12:00Z, 10.9 hours before the alert went out and 194 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
- 54 J/kg
- Mixed-layer CIN
- -254 J/kg
- Mixed-layer LCL
- 1528 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 69 m²/s²
- 0-3 km storm-relative helicity
- 221 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.8
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 11, 7:12 PM CDT | Tornado Watch | SPC | Adams, Arapahoe, Cheyenne, Kit Carson, Logan, Morgan and 5 more | 6 hr |
| Jul 11, 9:38 PM CDT | Mesoscale Discussion | SPC | Cheyenne, Kit Carson, Logan, Morgan, Phillips, Washington and 2 more | 97 min |
| Jul 11, 10:17 PM CDT | Mesoscale Discussion | SPC | Baca, Bent, Crowley, Elbert, El Paso, Huerfano and 7 more | 88 min |
| Jul 12, 1:36 PM CDT | Mesoscale Discussion | SPC | Logan, Phillips, Sedgwick, Weld | 84 min |
| Jul 12, 2:03 PM CDT | Severe Thunderstorm Watch | SPC | Boulder, Larimer, Logan, Morgan, Phillips, Sedgwick and 2 more | 7 hr |
| Jul 12, 4:55 PM CDT | Mesoscale Discussion | SPC | Cheyenne, Elbert, Kit Carson, Lincoln, Washington, Yuma | 95 min |
| Jul 12, 5:19 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Arapahoe, Cheyenne, Elbert, Kit Carson, Lincoln and 1 more | 7 hr |
| Jul 12, 6:36 PM CDT | Mesoscale Discussion | SPC | Boulder, Larimer, Logan, Morgan, Phillips, Sedgwick and 1 more | 54 min |
| Jul 12, 1:31 AM CDT | Mesoscale Discussion | SPC | Barber, Barton, Clark, Comanche, Cowley, Edwards and 21 more | 2 hr |
| Jul 12, 5:34 AM CDT | Mesoscale Discussion | SPC | Barber, Clark, Comanche, Harper, Kingman, Kiowa and 2 more | 2 hr |
| Jul 12, 3:41 PM CDT | Mesoscale Discussion | SPC | Clark, Grant, Haskell, Meade, Morton, Seward and 1 more | 2 hr |
| Jul 12, 5:46 AM CDT | Severe Thunderstorm Watch | SPC | Blaine, Caddo, Canadian, Cleveland, Creek, Custer and 23 more | 5 hr |
| Jul 12, 7:47 AM CDT | Mesoscale Discussion | SPC | Blaine, Caddo, Canadian, Cleveland, Creek, Custer and 21 more | 118 min |
| Jul 12, 10:39 AM CDT | Mesoscale Discussion | SPC | Atoka, Carter, Coal, Haskell, Johnston, Latimer and 7 more | 66 min |
| Jul 12, 2:07 PM CDT | Mesoscale Discussion | SPC | Bowie, Cass, Delta, Fannin, Franklin, Lamar and 3 more | 53 min |
Nearby
Severe Thunderstorm Watches in Kansas, 2007Severe Thunderstorm Watches in Texas, 2007Severe Thunderstorm Watches in Oklahoma, 2007Every severe thunderstorm watch in 2007
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.