Alert archive / Kansas / Mesoscale Discussions in 2004
Mesoscale Discussion 2015
The Storm Prediction Center issued this mesoscale discussion at Aug 16, 2004, 12:45 AM MDT for Kit Carson County, Colorado; 17 counties in Kansas. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 16, 2004, 12:45 AM MDT (06:45 UTC)
- Expired
- Aug 16, 2004, 2:45 AM MDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
Counties Kit Carson County, CO, Finney County, KS, Gove County, KS, Grant County, KS, Gray County, KS, Greeley County, KS, Hamilton County, KS, Haskell County, KS, Kearny County, KS, Lane County, KS, Logan County, KS, Scott County, KS, Sheridan County, KS, Sherman County, KS, Stanton County, KS, Thomas County, KS, Wallace County, KS, Wichita County, KS
The radar
The Dodge City radar (KDDC), 134 km from the middle of the area, began a volume at 06:47 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, 6.8 hours before the alert went out and 139 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
- 241 J/kg
- Mixed-layer CIN
- -131 J/kg
- Mixed-layer LCL
- 1248 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- -14 m²/s²
- 0-3 km storm-relative helicity
- 118 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.0
The text
As transmitted, in the capitals the NWS used until 2016.
831 ACUS11 KWNS 160646 SWOMCD SPC MCD 160645 KSZ000-COZ000-160845- MESOSCALE DISCUSSION 2015 NWS STORM PREDICTION CENTER NORMAN OK 0145 AM CDT MON AUG 16 2004 AREAS AFFECTED...WRN KS...FAR ERN CO CONCERNING...SEVERE THUNDERSTORM POTENTIAL VALID 160645Z - 160845Z A MARGINAL HAIL THREAT WILL EXIST OVER THE NEXT FEW HOURS WITH A CONVECTIVE LINE MOVING SWD THROUGH FAR WRN KS. SFC ANALYSIS SHOWS A MOIST AXIS CURRENTLY IN PLACE FROM NW OK TO NWRN KS WITH DEWPOINTS IN THE LOWER TO MID 60S F. AS A RESULT...MLCAPE VALUES ACROSS WRN KS ARE STILL BETWEEN 1000 AND 1200 J/KG. IN ADDITION...OBJECTIVE ANALYSIS SHOWS A LOW-LEVEL JET POSITIONED ACROSS THE NRN TX PANHANDLE AND SWRN KS. SLY SFC WINDS AND SSWLY FLOW AT 850 MB IS RESULTING IN VEERED LOW-LEVEL PROFILES AND STRONG WARM AIR ADVECTION. THIS IS HELPING TO CREATE ENOUGH DEEP LAYER SHEAR AND LIFT TO SUSTAIN THE CURRENT LINE FOR A FEW MORE HOURS. MID-LEVEL LAPSE RATES ARE NOT PARTICULARLY STEEP. HOWEVER...THE INSTABILITY AND SHEAR MAY BE ENOUGH FOR A MARGINAL HAIL THREAT AS THE CONVECTIVE LINE MOVES SWD AT 30 MPH INTO SW KS OVER THE NEXT FEW HOURS. ..BROYLES.. 08/16/2004 ...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT... ATTN...WFO...DDC...GLD...PUB... 37180204 39490268 39560039 37419987
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 16, 2:52 PM MDT | Mesoscale Discussion | SPC | Barber, Clark, Comanche, Edwards, Ford, Gray and 14 more | 2 hr |
| Aug 16, 2:55 PM MDT | Mesoscale Discussion | SPC | Barber, Clark, Comanche, Edwards, Ford, Gray and 14 more | 3 hr |
Nearby
Mesoscale Discussions in Kansas, 2004Mesoscale Discussions in Colorado, 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.