Alert archive / Kansas / Mesoscale Discussions in 2005

Mesoscale Discussion 21

January 4, 20054 states

The Storm Prediction Center issued this mesoscale discussion at Jan 4, 2005, 6:55 AM CST for 4 states. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Jan 4, 2005, 6:55 AM CST (12:55 UTC)
Expired
Jan 4, 2005, 12:00 PM CST
In force
5 hr
Issued by
the Storm Prediction Center
All 84 counties

Barber County, KS, Barton County, KS, Butler County, KS, Cheyenne County, KS, Clark County, KS, Comanche County, KS, Decatur County, KS, Edwards County, KS, Elk County, KS, Ellis County, KS, Ellsworth County, KS, Finney County, KS, Ford County, KS, Gove County, KS, Graham County, KS, Grant County, KS, Gray County, KS, Greeley County, KS, Greenwood County, KS, Hamilton County, KS, Harper County, KS, Harvey County, KS, Haskell County, KS, Hodgeman County, KS, Kearny County, KS, Kingman County, KS, Kiowa County, KS, Lane County, KS, Logan County, KS, Marion County, KS, McPherson County, KS, Meade County, KS, Neosho County, KS, Ness County, KS, Norton County, KS, Osborne County, KS, Pawnee County, KS, Phillips County, KS, Pratt County, KS, Rawlins County, KS, Reno County, KS, Rice County, KS, Rooks County, KS, Rush County, KS, Russell County, KS, Scott County, KS, Sedgwick County, KS, Seward County, KS, Sheridan County, KS, Sherman County, KS, Stafford County, KS, Stevens County, KS, Sumner County, KS, Thomas County, KS, Trego County, KS, Wallace County, KS, Wichita County, KS, Wilson County, KS, Chase County, NE, Dawson County, NE, Dundy County, NE, Frontier County, NE, Furnas County, NE, Gosper County, NE, Harlan County, NE, Hayes County, NE, Hitchcock County, NE, Keith County, NE, Lincoln County, NE, Logan County, NE, Perkins County, NE, Phelps County, NE, Red Willow County, NE, Alfalfa County, OK, Beaver County, OK, Dewey County, OK, Ellis County, OK, Grant County, OK, Harper County, OK, Major County, OK, Texas County, OK, Woods County, OK, Woodward County, OK, Lipscomb County, TX

The radar

The Dodge City radar (KDDC), 74 km from the middle of the area, began a volume at 12:55 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 12:00Z, 0.9 hours before the alert went out and 68 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, Dodge City, at 12:00Z on 2005-01-04Temperature 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 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Dodge City, at 12:00Z on 2005-01-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 291 square meters per square second.1939587897117Sfc1 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
541 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
291 m²/s²
0-3 km storm-relative helicity
436 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.

075 
ACUS11 KWNS 041256
SWOMCD
SPC MCD 041255 
KSZ000-OKZ000-NEZ000-TXZ000-041800-

MESOSCALE DISCUSSION 0021
NWS STORM PREDICTION CENTER NORMAN OK
0655 AM CST TUE JAN 04 2005

AREAS AFFECTED...SWRN NE / MUCH OF WRN AND SRN KS / NWRN OK /
EXTREME NERN TX PANHANDLE

CONCERNING...FREEZING RAIN 

VALID 041255Z - 041800Z

WINTER PRECIPITATION WILL INCREASE IN COVERAGE THROUGH THE MORNING
HOURS. FREEZING RAIN WITH SOME ACCUMULATION WILL FALL OVER NWRN OK
AND SOUTHERN KS...WITH HOURLY RATES AROUND 0.05 IN.  FARTHER
N...FREEZING RAIN AND SLEET WILL BE LIKELY INTO NWRN KS...CHANGING
TO A MIXTURE OF SLEET AND SNOW OVER SWRN NEBRASKA. 

ISENTROPIC LIFT NEAR 850 FRONT WILL PERSIST MUCH OF THE DAY...FROM
THE TX PANHANDLE ENEWD ACROSS NRN OK AND INTO SERN KS / SWRN MO. 12Z
DDC RAOB SHOWS VERY WARM TEMPERATURES BETWEEN 850-700 MB...WHICH
WHEN WET-BULBED WILL REMAIN ABOVE FREEZING EVEN WHEN SATURATED.
FARTHER S...AMA AND OUN RAOBS EXHIBIT CONVECTIVE INSTABILITY.
THEREFORE...ALTHOUGH HRLY PRECIPITATION RATES ARE EXPECTED TO
AVERAGE AROUND 0.05 IN...OCCASIONAL HEAVY BURSTS OF 0.10-0.20 IN/HR
ARE EXPECTED OVER NWRN OK AND FAR SRN KS.  

FARTHER N INTO NWRN KS AND SWRN NEBRASKA...SLEET AND SNOW WILL BE
LIKELY...WITH SNOWFALL RATES OF 0.50-1.00 IN/HR.

..JEWELL.. 01/04/2005

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

...NOTICE...
SPC WINTER WEATHER MESOSCALE DISCUSSIONS WILL BE ISSUED ON A 
SCHEDULED BASIS...FOUR TIMES A DAY...BETWEEN 00-01 UTC...
06-07 UTC...12-13 UTC...AND 18-19 UTC AS SIGNIFICANT SHORT
RANGE WINTER WEATHER EVENTS UNFOLD.  THIS SCHEDULE WILL BE
USED FROM DECEMBER 1 THROUGH FEBRUARY 28.

ATTN...WFO...SGF...ICT...OUN...GID...LBF...DDC...GLD...AMA...

36530119 36220057 35910005 35799969 35799907 35919859
36399824 36789779 37259692 37419559 37689497 37849597
38099650 38529717 39119863 40439938 41299958 41630048
41380187 40980188 40050188 38330189 36730153

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 4, 12:19 AM CSTMesoscale DiscussionSPCClark, Finney, Ford, Gove, Grant, Gray and 16 more6 hr
Jan 4, 12:02 PM CSTMesoscale DiscussionSPCAllen, Anderson, Atchison, Barber, Barton, Brown and 52 more5 hr
Jan 4, 12:04 PM CSTMesoscale DiscussionSPCAntelope, Blaine, Boone, Boyd, Brown, Buffalo and 44 more6 hr
Jan 4, 5:48 PM CSTMesoscale DiscussionSPCArmstrong, Bailey, Borden, Briscoe, Castro, Cochran and 30 more117 min

Nearby

Mesoscale Discussions in Kansas, 2005Mesoscale Discussions in Nebraska, 2005Mesoscale Discussions in Oklahoma, 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.