Alert archive / Colorado / Mesoscale Discussions in 2005
Mesoscale Discussion 992
The Storm Prediction Center issued this mesoscale discussion at May 24, 2005, 4:13 PM MDT for 14 counties in Colorado; 13 counties in Kansas. It was in force for 92 min.
The area
The outline as issued.
The facts
- Issued
- May 24, 2005, 4:13 PM MDT (22:13 UTC)
- Expired
- May 24, 2005, 5:45 PM MDT
- In force
- 92 min
- Issued by
- the Storm Prediction Center
All 27 counties
Adams County, CO, Arapahoe County, CO, Broomfield County, CO, Denver County, CO, Douglas County, CO, Elbert County, CO, Kit Carson County, CO, Logan County, CO, Morgan County, CO, Phillips County, CO, Sedgwick County, CO, Washington County, CO, Weld County, CO, Yuma County, CO, Cheyenne County, KS, Decatur County, KS, Gove County, KS, Greeley County, KS, Lane County, KS, Logan County, KS, Rawlins County, KS, Scott County, KS, Sheridan County, KS, Sherman County, KS, Thomas County, KS, Wallace County, KS, Wichita County, KS
The radar
The Goodland radar (KGLD), 52 km from the middle of the area, began a volume at 22:14 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
Denver, CO (KDNR), launched 12:00Z, 10.2 hours before the alert went out and 91 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
- 73 J/kg
- Mixed-layer CIN
- -398 J/kg
- Mixed-layer LCL
- 1712 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 17 m²/s²
- 0-3 km storm-relative helicity
- 22 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 ACUS11 KWNS 242214 SWOMCD SPC MCD 242213 KSZ000-NEZ000-COZ000-242345- MESOSCALE DISCUSSION 0992 NWS STORM PREDICTION CENTER NORMAN OK 0513 PM CDT TUE MAY 24 2005 AREAS AFFECTED...NERN C.O..NWRN KS CONCERNING...TORNADO WATCH 322... VALID 242213Z - 242345Z SCATTERED TSTMS -- INCLUDING A FEW SUPERCELLS -- OVER NERN CO ARE EXPECTED TO MOVE EWD AND SEWD INTO NWRN KS. ACTIVITY WILL ENCOUNTER AXIS OF MAX CINH - NOW EVIDENT N-S ACROSS WRN KS -- BUT ALSO INCREASING LOW LEVEL MOISTURE AND STRONG LOW LEVEL INFLOW. WW WILL BE REQUIRED OVER NWRN KS. VIS IMAGERY SHOWS WELL-DEFINED ARC OF CUMULI EXTENDING FROM SRN PORTION WW 324 SWD THROUGH NORTON/SHERIDAN/NESS/CLARK COUNTIES KS AND WOODS COUNTY OK..MOVING WWD 10-15 KT. THIS ALSO DENOTES 60 DEG F SFC ISODROSOTHERM ACROSS KS. SFC MOIST AXIS EXTENDS NWWD FROM SRN PORTION OF THAT PLUME...AND IS ANALYZED FROM WOODS COUNTY OK NWWD THROUGH DDC TO ITR...THEN INTO ONGOING CONVECTION. PRIND POTENTIAL MCS WILL FAVOR THIS AXIS -- ALTHOUGH ANY CONVECTION SURVIVING SFC DRY POCKET BETWEEN GLD-MCK WILL MOVE INTO RICHER MOIST PLUME AS WELL. FAVORABLE STORM-RELATIVE INFLOW WINDS ARE EXPECTED...WITH 15-20 KT 850 MB SELYS OBSERVED AT GLD VWP. THIS -- COMBINED WITH FORCED ASCENT ALONG OUTFLOWS...MAY OVERCOME CINH ENOUGH TO SUSTAIN ACTIVITY AND ORGANIZE AN MCS. ..EDWARDS.. 05/24/2005 ...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT... ATTN...WFO...GID...DDC...GLD...PUB...BOU... 39160206 39160504 40960522 40990216 39160211 39990211 40000000 38249994 38250206
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 23, 8:38 PM MDT | Mesoscale Discussion | SPC | Baca, Bent, Cheyenne, Kiowa, Kit Carson, Lincoln and 2 more | 67 min |
| May 24, 12:03 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Broomfield, Cheyenne, Crowley, Denver and 14 more | 117 min |
| May 24, 12:45 PM MDT | Tornado Watch | SPC | Adams, Arapahoe, Broomfield, Denver, Douglas, Elbert and 8 more | 7 hr |
| May 24, 1:10 PM MDT | Tornado Watch | SPC | Adams, Arapahoe, Broomfield, Denver, Douglas, Elbert and 8 more | 7 hr |
| May 24, 1:45 PM MDT | Severe Thunderstorm Watch | SPC | Baca, Bent, Cheyenne, Crowley, El Paso, Huerfano and 6 more | 6 hr |
| May 23, 9:55 PM MDT | Severe Thunderstorm Watch | SPC | Barber, Barton, Clark, Comanche, Edwards, Ellis and 28 more | 6 hr |
| May 24, 12:14 AM MDT | Mesoscale Discussion | SPC | Barber, Barton, Chautauqua, Clark, Comanche, Cowley and 25 more | 91 min |
| May 24, 1:35 AM MDT | Severe Thunderstorm Watch | SPC | Butler, Chautauqua, Cherokee, Cowley, Elk, Harvey and 5 more | 7 hr |
| May 24, 4:40 AM MDT | Mesoscale Discussion | SPC | Butler, Chautauqua, Cherokee, Cowley, Elk, Harvey and 5 more | 95 min |
| May 24, 8:13 AM MDT | Mesoscale Discussion | SPC | Chautauqua, Cherokee, Elk, Labette, Montgomery, Wilson | 32 min |
| May 24, 4:30 PM MDT | Severe Thunderstorm Watch | SPC | Cheyenne, Decatur, Gove, Graham, Greeley, Lane and 11 more | 7 hr |
Nearby
Mesoscale Discussions in Colorado, 2005Mesoscale Discussions in Kansas, 2005Every mesoscale discussion in 2005
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.