Alert archive / Kansas / Mesoscale Discussions in 2009
Mesoscale Discussion 752
The Storm Prediction Center issued this mesoscale discussion at May 7, 2009, 10:53 PM CDT for 45 counties in Kansas; 4 counties in Oklahoma. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- May 7, 2009, 10:53 PM CDT (03:53 UTC)
- Expired
- May 8, 2009, 1:00 AM CDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
All 49 counties
Allen County, KS, Barber County, KS, Barton County, KS, Butler County, KS, Chase County, KS, Chautauqua County, KS, Clark County, KS, Coffey County, KS, Comanche County, KS, Cowley County, KS, Edwards County, KS, Elk County, KS, Ellsworth County, KS, Finney County, KS, Ford County, KS, Gove County, KS, Gray County, KS, Greenwood County, KS, Harper County, KS, Harvey County, KS, Hodgeman County, KS, Kingman County, KS, Kiowa County, KS, Lane County, KS, Logan County, KS, Lyon County, KS, Marion County, KS, McPherson County, KS, Meade County, KS, Montgomery County, KS, Ness County, KS, Pawnee County, KS, Pratt County, KS, Reno County, KS, Rice County, KS, Rush County, KS, Saline County, KS, Scott County, KS, Sedgwick County, KS, Stafford County, KS, Sumner County, KS, Thomas County, KS, Wichita County, KS, Wilson County, KS, Woodson County, KS, Grant County, OK, Kay County, OK, Osage County, OK, Washington County, OK
The radar
The Dodge City radar (KDDC), 93 km from the middle of the area, began a volume at 03:53 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 00:00Z, 3.9 hours before the alert went out and 88 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
- 13 J/kg
- Mixed-layer CIN
- -240 J/kg
- Mixed-layer LCL
- 2434 m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- 143 m²/s²
- 0-3 km storm-relative helicity
- 354 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
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 7, 11:13 PM CDT | Severe Thunderstorm Watch | SPC | Cheyenne, Decatur, Gove, Graham, Greeley, Jewell and 13 more | 4 hr |
| May 8, 12:02 AM CDT | Severe Thunderstorm Watch | SPC | Allen, Anderson, Barber, Barton, Butler, Chase and 53 more | 8 hr |
| May 8, 2:50 AM CDT | Mesoscale Discussion | SPC | Barber, Butler, Chase, Clark, Comanche, Edwards and 22 more | 55 min |
| May 8, 4:31 AM CDT | Mesoscale Discussion | SPC | Allen, Anderson, Barber, Bourbon, Butler, Chase and 17 more | 59 min |
| May 8, 4:55 AM CDT | Severe Thunderstorm Watch | SPC | Bourbon, Cherokee, Crawford | 7 hr |
| May 8, 7:17 AM CDT | Mesoscale Discussion | SPC | Cherokee, Crawford, Labette, Neosho | 58 min |
| May 8, 3:42 PM CDT | Mesoscale Discussion | SPC | Atoka, Carter, Coal, Garvin, Haskell, Hughes and 15 more | 93 min |
| May 8, 5:52 PM CDT | Tornado Watch | SPC | Adair, Atoka, Bryan, Carter, Cherokee, Choctaw and 23 more | 11 hr |
Nearby
Mesoscale Discussions in Kansas, 2009Mesoscale Discussions in Oklahoma, 2009Every mesoscale discussion in 2009
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.