Alert archive / Kansas / Mesoscale Discussions in 2004
Mesoscale Discussion 670
The Storm Prediction Center issued this mesoscale discussion at May 12, 2004, 3:23 PM CDT for 40 counties in Kansas; Harper County, Oklahoma. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- May 12, 2004, 3:23 PM CDT (20:23 UTC)
- Expired
- May 12, 2004, 5:30 PM CDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
All 41 counties
Barber County, KS, Butler County, KS, Chase County, KS, Clark County, KS, Clay County, KS, Comanche County, KS, Dickinson County, KS, Douglas County, KS, Edwards County, KS, Ellsworth County, KS, Ford County, KS, Geary County, KS, Gray County, KS, Harper County, KS, Harvey County, KS, Haskell County, KS, Hodgeman County, KS, Jackson County, KS, Jefferson County, KS, Kingman County, KS, Kiowa County, KS, Lyon County, KS, Marion County, KS, McPherson County, KS, Meade County, KS, Morris County, KS, Osage County, KS, Pawnee County, KS, Pottawatomie County, KS, Pratt County, KS, Reno County, KS, Rice County, KS, Riley County, KS, Saline County, KS, Sedgwick County, KS, Seward County, KS, Shawnee County, KS, Stafford County, KS, Sumner County, KS, Wabaunsee County, KS, Harper County, OK
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, 8.4 hours before the alert went out and 180 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
- 1442 J/kg
- Mixed-layer CIN
- -36 J/kg
- Mixed-layer LCL
- 667 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 0 m²/s²
- 0-3 km storm-relative helicity
- 92 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 12, 4:00 PM CDT | Tornado Watch | SPC | Barber, Barton, Clark, Comanche, Dickinson, Edwards and 17 more | 6 hr |
| May 12, 6:14 PM CDT | Mesoscale Discussion | SPC | Cheyenne, Finney, Gove, Grant, Gray, Greeley and 11 more | 61 min |
| May 12, 6:35 PM CDT | Severe Thunderstorm Watch | SPC | Finney, Greeley, Hamilton, Kearny, Logan, Scott and 4 more | 5 hr |
| May 11, 7:19 PM CDT | Mesoscale Discussion | SPC | Beaver, Texas | 116 min |
| May 11, 9:18 PM CDT | Mesoscale Discussion | SPC | Cimarron, Texas | 57 min |
| May 12, 4:41 PM CDT | Mesoscale Discussion | SPC | Beckham, Blaine, Caddo, Comanche, Custer, Dewey and 8 more | 94 min |
| May 12, 5:10 PM CDT | Severe Thunderstorm Watch | SPC | Beckham, Blaine, Caddo, Canadian, Comanche, Cotton and 10 more | 5 hr |
Nearby
Mesoscale Discussions in Kansas, 2004Mesoscale Discussions in Oklahoma, 2004Every mesoscale discussion in 2004
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.