Alert archive / Kansas / Mesoscale Discussions in 2004
Mesoscale Discussion 730
The Storm Prediction Center issued this mesoscale discussion at May 17, 2004, 7:59 PM CDT for 46 counties in Kansas. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- May 17, 2004, 7:59 PM CDT (00:59 UTC)
- Expired
- May 17, 2004, 10:00 PM CDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
All 46 counties
Barton County, KS, Butler County, KS, Clark County, KS, Clay County, KS, Dickinson County, KS, Edwards County, KS, Ellis County, KS, Ellsworth County, KS, Finney County, KS, Ford County, KS, Gove County, KS, Grant County, KS, Gray County, KS, Greeley County, KS, Hamilton County, KS, Harvey County, KS, Haskell County, KS, Hodgeman County, KS, Kearny County, KS, Kingman County, KS, Kiowa County, KS, Lane County, KS, Lincoln County, KS, Logan County, KS, Marion County, KS, McPherson County, KS, Meade County, KS, Morton County, KS, Ness County, KS, Ottawa County, KS, Pawnee County, KS, Pratt County, KS, Reno County, KS, Rice County, KS, Rush County, KS, Russell County, KS, Saline County, KS, Scott County, KS, Sedgwick County, KS, Seward County, KS, Stafford County, KS, Stanton County, KS, Stevens County, KS, Trego County, KS, Wallace County, KS, Wichita County, KS
The radar
The Dodge City radar (KDDC), 23 km from the middle of the area, began a volume at 00:59 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 nearest sounding before it
Dodge City, (KDDC), launched 00:00Z, 1.0 hours before the alert went out and 20 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
- 1394 J/kg
- Mixed-layer CIN
- -32 J/kg
- Mixed-layer LCL
- 2173 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 64 m²/s²
- 0-3 km storm-relative helicity
- 115 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.1
The text
As transmitted, in the capitals the NWS used until 2016.
846 ACUS11 KWNS 180059 SWOMCD SPC MCD 180059 KSZ000-OKZ000-180300- MESOSCALE DISCUSSION 0730 NWS STORM PREDICTION CENTER NORMAN OK 0759 PM CDT MON MAY 17 2004 AREAS AFFECTED...KS CONCERNING...TORNADO WATCH 212... VALID 180059Z - 180300Z THREAT FOR SUPERCELLS/ISOLD TORNADOES...IN ADDITION TO VERY LARGE HAIL/DAMAGING WINDS...REMAINS ACROSS TORNADO WATCH 212. ONGOING RUSSELL/LINCOLN/ELLSWORTH COUNTY SUPERCELL WILL CONTINUE TO POSE TORNADIC THREAT AS IT PROGRESSES EWD ALONG SFC FRONTAL BOUNDARY...IN MIDST OF LOCALLY ENHANCED LOW LEVEL HODOGRAPH CURVATURE/HELICITY INVOF FRONT. ADDITIONALLY...TSTMS WILL LIKELY INITIATE SWWD INVOF AND/OR SW OF DDC TOWARD COLD FRONT/DRYLINE TRIPLE POINT/SFC LOW PER NEGLIGIBLE ML PARCEL CINH EVIDENT IN 00Z DDC SOUNDING. DEEP LAYER SHEAR /35-40 KTS/ AND HODOGRAPH CURVATURE -- ESPECIALLY ENHANCED INVOF QUASI-STATIONARY FRONTAL BOUNDARY -- WILL CONTINUE TO POSE SUPERCELL/ISOLD TORNADO POSSIBILITIES WITH MOST VIGOROUS ACTIVITY. INCREASING SSWLY LOW LEVEL JET /40+ KTS/ THIS EVENING WILL LIKELY SUPPORT INCREASING TSTM COVERAGE/SEVERE THREAT ACROSS THE WATCH AREA. ALTHOUGH SURFACE BASED SUPERCELLS WILL REMAIN POSSIBLE ACROSS MUCH OF WW 212 THROUGH 03Z...CONVECTION MAY ULTIMATELY CONGEAL INTO ONE OR MORE CONVECTIVE COMPLEXES LATER THIS EVENING...WITH INCREASING THREAT OF DAMAGING WINDS. PROGRESSIVELY NORTH OF THE FRONTAL BOUNDARY -- NAMELY ACROSS NRN PORTIONS OF WW 212 -- MAIN HAZARD WILL BE LARGE HAIL ABOVE FRONTAL INVERSION AS LOW LEVEL JET INCREASES THIS EVENING. ..GUYER.. 05/18/2004 ...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT... ATTN...WFO...TOP...ICT...GID...DDC...GLD...AMA... 36910190 38930191 39509678 37509681
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 17, 8:20 PM CDT | Mesoscale Discussion | SPC | Atchison, Brown, Doniphan, Nemaha | 55 min |
| May 18, 6:22 AM CDT | Mesoscale Discussion | SPC | Coffey, Douglas, Franklin, Jefferson, Johnson, Leavenworth and 4 more | 113 min |
| May 18, 2:22 PM CDT | Mesoscale Discussion | SPC | Clay, Dickinson, Douglas, Ellsworth, Geary, Jackson and 10 more | 113 min |
| May 18, 4:28 PM CDT | Mesoscale Discussion | SPC | Allen, Barber, Butler, Elk, Greenwood, Harvey and 6 more | 2 hr |
| May 18, 6:27 PM CDT | Mesoscale Discussion | SPC | Anderson, Atchison, Chase, Coffey, Douglas, Franklin and 11 more | 2 hr |
Nearby
Mesoscale Discussions in Kansas, 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; radar from the NEXRAD Level II archive.