Alert archive / Kansas / Mesoscale Discussions in 2004

Mesoscale Discussion 979

May 29, 20047 counties in Kansas; Hayes County, Hitchcock County, Red Willow County, Nebraska

The Storm Prediction Center issued this mesoscale discussion at May 29, 2004, 5:53 PM CDT for 7 counties in Kansas; Hayes County, Hitchcock County, Red Willow County, Nebraska. It was in force for 67 min.

The area

The outline as issued.

The facts

Issued
May 29, 2004, 5:53 PM CDT (22:53 UTC)
Expired
May 29, 2004, 7:00 PM CDT
In force
67 min
Issued by
the Storm Prediction Center

Counties Decatur County, KS, Logan County, KS, Rawlins County, KS, Sheridan County, KS, Sherman County, KS, Thomas County, KS, Wallace County, KS, Hayes County, NE, Hitchcock County, NE, Red Willow County, NE

The radar

The Goodland radar (KGLD), 44 km from the middle of the area, began a volume at 22:56 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

Denver, CO (KDNR), launched 12:00Z, 10.9 hours before the alert went out and 178 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.

Skew-T log-pSkew-T log-p diagram, Denver, CO at 12:00Z on 2004-05-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 12:00Z on 2004-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -64 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2494 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
-64 m²/s²
0-3 km storm-relative helicity
1 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

625 
ACUS11 KWNS 292254
SWOMCD
SPC MCD 292253 
KSZ000-NEZ000-COZ000-300000-

MESOSCALE DISCUSSION 0979
NWS STORM PREDICTION CENTER NORMAN OK
0553 PM CDT SAT MAY 29 2004

AREAS AFFECTED...SWRN NEB...NWRN KS

CONCERNING...SEVERE THUNDERSTORM WATCH 325...

VALID 292253Z - 300000Z

...STRONG WINDS WILL ACCOMPANY SEVERE THUNDERSTORMS...

NEAR DRY ADIABATIC LOW-MID LEVEL LAPSE RATES HAVE DEVELOPED AHEAD OF
COLD FRONT ACROSS NWRN KS.  LATEST SFC OBSERVATIONS INDICATE
TEMPERATURES NEAR 100F SUGGESTING LOW RH BOUNDARY LAYER CONDITIONS
WILL MAINTAIN DAMAGING WIND POTENTIAL AHEAD OF CONVECTION. 
EXPANDING PRECIPITATION SHIELD ACROSS NERN CO AND SWRN NEB MAY
PROVIDE ADDITIONAL PUSH TO COLD FRONT...POSSIBLY ENHANCING ALREADY
STRONG WIND POTENTIAL.

..DARROW.. 05/29/2004

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...GID...LBF...GLD...

39210209 39750172 40590118 40330011 39430001 38830065
38580182

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 29, 1:02 PM CDTMesoscale DiscussionSPCClay, Cloud, Dickinson, Ellsworth, Graham, Jewell and 14 more118 min
May 29, 1:54 PM CDTMesoscale DiscussionSPCCheyenne, Decatur, Greeley, Logan, Rawlins, Sherman and 2 more3 hr
May 29, 2:55 PM CDTTornado WatchSPCBarber, Barton, Butler, Chase, Clark, Comanche and 20 more7 hr
May 29, 3:05 PM CDTTornado WatchSPCBrown, Clay, Cloud, Dickinson, Ellis, Ellsworth and 24 more7 hr
May 29, 3:55 PM CDTSevere Thunderstorm WatchSPCCheyenne, Decatur, Gove, Greeley, Lane, Logan and 8 more6 hr
May 29, 4:35 PM CDTTornado WatchSPCAnderson, Atchison, Doniphan, Douglas, Franklin, Jefferson and 5 more5 hr
May 29, 4:57 PM CDTMesoscale DiscussionSPCBarber, Harper, Harvey, Kingman, Pratt, Reno and 3 more63 min
May 29, 5:16 PM CDTMesoscale DiscussionSPCCloud, Jewell, Mitchell, Republic, Washington59 min
May 28, 7:31 PM CDTMesoscale DiscussionSPCAntelope, Boone, Boyd, Burt, Cedar, Colfax and 20 more89 min
May 28, 9:03 PM CDTMesoscale DiscussionSPCAntelope, Boyd, Burt, Cedar, Colfax, Cuming and 12 more57 min
May 28, 9:50 PM CDTSevere Thunderstorm WatchSPCDakota5 hr
May 29, 12:42 PM CDTMesoscale DiscussionSPCCedar, Dakota, Dixon, Thurston93 min
May 29, 2:05 PM CDTTornado WatchSPCBoyd, Cedar, Dakota, Dixon, Holt, Knox and 2 more8 hr
May 29, 5:01 PM CDTMesoscale DiscussionSPCAntelope, Boyd, Cedar, Dakota, Dixon, Holt and 3 more119 min

Nearby

Mesoscale Discussions in Kansas, 2004Mesoscale Discussions in Nebraska, 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.