Alert archive / Kansas / Mesoscale Discussions in 2003
Mesoscale Discussion 721
The Storm Prediction Center issued this mesoscale discussion at May 3, 2003, 11:07 PM CDT for 49 counties in Kansas. It was in force for 83 min.
The area
The outline as issued.
The facts
- Issued
- May 3, 2003, 11:07 PM CDT (04:07 UTC)
- Expired
- May 4, 2003, 12:30 AM CDT
- In force
- 83 min
- Issued by
- the Storm Prediction Center
All 49 counties
Barber County, KS, Barton County, KS, Butler County, KS, Chase County, KS, Clark County, KS, Clay County, KS, Cloud County, KS, Comanche County, KS, Cowley County, KS, Dickinson County, KS, Edwards County, KS, Ellis County, KS, Ellsworth County, KS, Ford County, KS, Geary County, KS, Graham County, KS, Harper County, KS, Harvey County, KS, Hodgeman County, KS, Jewell County, KS, Kingman County, KS, Kiowa County, KS, Lincoln County, KS, Marion County, KS, Marshall County, KS, McPherson County, KS, Mitchell County, KS, Morris County, KS, Ness County, KS, Norton County, KS, Osborne County, KS, Ottawa County, KS, Pawnee County, KS, Phillips County, KS, Pratt County, KS, Reno County, KS, Republic County, KS, Rice County, KS, Riley County, KS, Rooks County, KS, Rush County, KS, Russell County, KS, Saline County, KS, Sedgwick County, KS, Smith County, KS, Stafford County, KS, Sumner County, KS, Trego County, KS, Washington County, KS
The radar
The Dodge City radar (KDDC), 123 km from the middle of the area, began a volume at 04:10 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, 4.1 hours before the alert went out and 117 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
- 434 J/kg
- Mixed-layer CIN
- -200 J/kg
- Mixed-layer LCL
- 832 m above ground
- 0-6 km bulk shear
- 70 kt
- 0-1 km storm-relative helicity
- 288 m²/s²
- 0-3 km storm-relative helicity
- 390 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.0
The text
As transmitted, in the capitals the NWS used until 2016.
196 ACUS11 KWNS 040407 SWOMCD SPC MCD 040407 KSZ000-040530- MESOSCALE DISCUSSION 0721 NWS STORM PREDICTION CENTER NORMAN OK 1107 PM CDT SAT MAY 03 2003 AREAS AFFECTED...KS CONCERNING...SEVERE THUNDERSTORM POTENTIAL VALID 040407Z - 040530Z ELEVATED THUNDERSTORMS MAY DEVELOP OVER PORTIONS OF KS DURING THE NEXT FEW HOURS. WW MAY BE ISSUED IN THE NEXT COUPLE OF HOURS. REGIONAL RADARS SHOW SOME SMALL ECHOES OVER SWRN/SOUTH CENTRAL KS FROM NRN MEADE COUNTY TO KIOWA COUNTY WHICH MAY BE THE BEGINNING OF ELEVATED CONVECTION FOR PORTIONS OF KS. STRENGTHENING SLY LLJ OVER THE SRN/CENTRAL PLAINS CONTINUES TO ADVECT RICH MOISTURE NWD AIDING IN STRONG DESTABILIZATION ABOVE THE SURFACE. STRONG DEEP LAYER SHEAR /60-70 KT/...MODERATE ELEVATED INSTABILITY AND STEEP LAPSE RATES WILL FAVOR LARGE HAIL IF STORMS DEVELOP. ..PETERS.. 05/04/2003 ...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT... ATTN...WFO...TOP...ICT...GID...DDC...GLD... 37020020 39980037 39969641 37119629
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 3, 11:46 PM CDT | Mesoscale Discussion | SPC | Allen, Anderson, Atchison, Bourbon, Brown, Clay and 30 more | 59 min |
| May 4, 12:10 AM CDT | Severe Thunderstorm Watch | SPC | Anderson, Atchison, Brown, Chase, Clay, Coffey and 24 more | 6 hr |
| May 4, 2:58 AM CDT | Mesoscale Discussion | SPC | Anderson, Atchison, Brown, Coffey, Doniphan, Douglas and 13 more | 92 min |
| May 4, 4:50 AM CDT | Severe Thunderstorm Watch | SPC | Doniphan, Wyandotte | 6 hr |
| May 4, 7:43 AM CDT | Mesoscale Discussion | SPC | Doniphan | 2 hr |
| May 4, 10:19 AM CDT | Mesoscale Discussion | SPC | Atchison, Butler, Chase, Clay, Coffey, Dickinson and 19 more | 116 min |
| May 4, 11:40 AM CDT | Tornado Watch | SPC | Anderson, Chase, Clay, Cloud, Coffey, Dickinson and 19 more | 6 hr |
| May 4, 11:44 AM CDT | Mesoscale Discussion | SPC | Chautauqua, Cherokee, Crawford, Labette, Montgomery, Neosho and 1 more | 3 hr |
| May 4, 12:14 PM CDT | Mesoscale Discussion | SPC | Atchison, Brown, Doniphan, Douglas, Jackson, Jefferson and 7 more | 2 hr |
| May 4, 12:35 PM CDT | Tornado Watch | SPC | Allen, Bourbon, Chautauqua, Cherokee, Crawford, Elk and 6 more | 6 hr |
| May 4, 12:45 PM CDT | Tornado Watch | SPC | Atchison, Brown, Doniphan, Douglas, Jefferson, Johnson and 4 more | 6 hr |
| May 4, 2:22 PM CDT | Mesoscale Discussion | SPC | Anderson, Atchison, Brown, Coffey, Doniphan, Douglas and 13 more | 113 min |
| May 4, 2:58 PM CDT | Mesoscale Discussion | SPC | Ellis, Gove, Jewell, Lane, Lincoln, Mitchell and 9 more | 92 min |
| May 4, 3:05 PM CDT | Mesoscale Discussion | SPC | Allen, Bourbon, Cherokee, Crawford, Labette, Montgomery and 1 more | 115 min |
| May 4, 4:28 PM CDT | Mesoscale Discussion | SPC | Wyandotte | 62 min |
| May 4, 4:43 PM CDT | Mesoscale Discussion | SPC | Bourbon, Cherokee, Crawford, Labette, Linn, Neosho | 2 hr |
| May 4, 6:05 PM CDT | Tornado Watch | SPC | Bourbon, Cherokee, Crawford | 7 hr |
| May 4, 6:20 PM CDT | Tornado Watch | SPC | Doniphan, Wyandotte | 6 hr |
Nearby
Mesoscale Discussions in Kansas, 2003Every mesoscale discussion in 2003
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.