Alert archive / Kansas / Mesoscale Discussions in 2009
Mesoscale Discussion 754
The Storm Prediction Center issued this mesoscale discussion at May 8, 2009, 2:50 AM CDT for 28 counties in Kansas. It was in force for 55 min.
The area
The outline as issued.
The facts
- Issued
- May 8, 2009, 2:50 AM CDT (07:50 UTC)
- Expired
- May 8, 2009, 3:45 AM CDT
- In force
- 55 min
- Issued by
- the Storm Prediction Center
All 28 counties
Barber County, KS, Butler County, KS, Chase County, KS, Clark County, KS, Comanche County, KS, Edwards County, KS, Elk County, KS, Finney County, KS, Ford County, KS, Gray County, KS, Greenwood County, KS, Harper County, KS, Harvey County, KS, Haskell County, KS, Hodgeman County, KS, Kingman County, KS, Kiowa County, KS, Marion County, KS, McPherson County, KS, Meade County, KS, Pawnee County, KS, Pratt County, KS, Reno County, KS, Rice County, KS, Sedgwick County, KS, Stafford County, KS, Sumner County, KS, Woodson County, KS
The radar
The Wichita radar (KICT), 104 km from the middle of the area, began a volume at 07:52 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 00:00Z, 7.8 hours before the alert went out and 116 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, 10:53 PM CDT | Mesoscale Discussion | SPC | Allen, Barber, Barton, Butler, Chase, Chautauqua and 39 more | 2 hr |
| 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, 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 |
Nearby
Mesoscale Discussions in Kansas, 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.