Alert archive / Kansas / Mesoscale Discussions in 2007
Mesoscale Discussion 685
The Storm Prediction Center issued this mesoscale discussion at May 4, 2007, 2:53 PM CDT for 33 counties in Kansas; 14 counties in Oklahoma; 8 counties in Texas. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- May 4, 2007, 2:53 PM CDT (19:53 UTC)
- Expired
- May 4, 2007, 5:00 PM CDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
All 55 counties
Barber County, KS, Barton County, KS, Clark County, KS, Comanche County, KS, Edwards County, KS, Ellis County, KS, Ellsworth County, KS, Finney County, KS, Ford County, KS, Gove County, KS, Graham County, KS, Grant County, KS, Gray County, KS, Haskell County, KS, Hodgeman County, KS, Kearny County, KS, Kiowa County, KS, Lane County, KS, Logan County, KS, Meade County, KS, Ness County, KS, Pawnee County, KS, Pratt County, KS, Rice County, KS, Rooks County, KS, Rush County, KS, Russell County, KS, Scott County, KS, Seward County, KS, Sheridan County, KS, Stafford County, KS, Trego County, KS, Wichita County, KS, Alfalfa County, OK, Beckham County, OK, Blaine County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Greer County, OK, Harmon County, OK, Harper County, OK, Major County, OK, Roger Mills County, OK, Washita County, OK, Woods County, OK, Woodward County, OK, Childress County, TX, Collingsworth County, TX, Donley County, TX, Gray County, TX, Hall County, TX, Hemphill County, TX, Lipscomb County, TX, Wheeler County, TX
The radar
The Dodge City radar (KDDC), 78 km from the middle of the area, began a volume at 19:52 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 watches that followed
Watches SPC issued over any of the same counties within four hours of this discussion.
The nearest sounding before it
Dodge City, (KDDC), launched 12:00Z, 7.9 hours before the alert went out and 80 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
- 441 J/kg
- Mixed-layer CIN
- -406 J/kg
- Mixed-layer LCL
- 1301 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 302 m²/s²
- 0-3 km storm-relative helicity
- 328 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 |
|---|---|---|---|---|
| May 4, 5:07 PM CDT | Mesoscale Discussion | SPC | Cheyenne, Greeley, Logan, Rawlins, Sherman, Thomas and 1 more | 83 min |
| May 4, 6:13 PM CDT | Tornado Watch | SPC | Barber, Barton, Clark, Comanche, Edwards, Ellis and 20 more | 8 hr |
| May 4, 6:36 PM CDT | Tornado Watch | SPC | Cheyenne, Logan, Rawlins, Sherman, Thomas, Wallace | 7 hr |
| May 3, 8:50 PM CDT | Mesoscale Discussion | SPC | Chambers, Hardin, Jasper, Jefferson, Liberty, Newton and 2 more | 85 min |
Nearby
Mesoscale Discussions in Kansas, 2007Mesoscale Discussions in Oklahoma, 2007Mesoscale Discussions in Texas, 2007Every mesoscale discussion 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.