Alert archive / Kansas / Mesoscale Discussions in 2004

Mesoscale Discussion 232

March 27, 200418 counties in Kansas; 13 counties in Oklahoma

The Storm Prediction Center issued this mesoscale discussion at Mar 27, 2004, 2:34 PM CST for 18 counties in Kansas; 13 counties in Oklahoma. It was in force for 116 min.

The area

The outline as issued.

The facts

Issued
Mar 27, 2004, 2:34 PM CST (20:34 UTC)
Expired
Mar 27, 2004, 4:30 PM CST
In force
116 min
Issued by
the Storm Prediction Center
All 31 counties

Barber County, KS, Butler County, KS, Chase County, KS, Chautauqua County, KS, Comanche County, KS, Cowley County, KS, Elk County, KS, Greenwood County, KS, Harper County, KS, Harvey County, KS, Kingman County, KS, Marion County, KS, McPherson County, KS, Pratt County, KS, Reno County, KS, Rice County, KS, Sedgwick County, KS, Sumner County, KS, Alfalfa County, OK, Blaine County, OK, Custer County, OK, Dewey County, OK, Garfield County, OK, Grant County, OK, Kay County, OK, Kingfisher County, OK, Major County, OK, Noble County, OK, Washita County, OK, Woods County, OK, Woodward County, OK

The watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

The nearest sounding before it

Dodge City, (KDDC), launched 12:00Z, 8.6 hours before the alert went out and 189 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 2004-03-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1373 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Dodge City, at 12:00Z on 2004-03-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 249 square meters per square second.1939587897Sfc1 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
1373 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
642 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
249 m²/s²
0-3 km storm-relative helicity
244 m²/s²
Significant tornado parameter
1.2
Supercell composite
6.5

Open this sounding in Storm Lab

The text

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

536 
ACUS11 KWNS 272034
SWOMCD
SPC MCD 272034 
KSZ000-OKZ000-272230-

MESOSCALE DISCUSSION 0232
NWS STORM PREDICTION CENTER NORMAN OK
0234 PM CST SAT MAR 27 2004

AREAS AFFECTED...WRN/NRN OK...S CNTRL KS

CONCERNING...TORNADO WATCH 35...37...

VALID 272034Z - 272230Z

CONTINUE REMAINING VALID PORTIONS OF WWS.

20Z SURFACE ANALYSIS INDICATES SHARPENING DRY LINE NOW EXTENDS EAST
OF DODGE CITY KS INTO AREAS SOUTHWEST OF ALTUS OK.  SURFACE
TEMPERATURES HAVE HEATED INTO THE LOWER/MID 80S TO THE IMMEDIATE
WEST OF DRY LINE...AND STRONG LOW-LEVEL WARM ADVECTION TO THE EAST
CONTINUES TO SUPPORT INCREASING CONVECTIVE DEVELOPMENT.  WITH MEAN
MIXED LAYER CAPE INCREASING TO 2000 J/KG...ACTIVITY WILL LIKELY
INTENSIFY FURTHER NEXT FEW HOURS.  A COUPLE OF TORNADOES HAVE
ALREADY BEEN PRODUCED BY STRONGEST SUPERCELLS...AND AN ISOLATED
STRONG TORNADO OR TWO APPEARS POSSIBLE NORTHWEST OF OKLAHOMA CITY
INTO THE WICHITA AREA BY AROUND 28/00Z.

WITH LARGE-SCALE FORCING FOR UPWARD VERTICAL MOTION INCREASING ALONG
SOUTHEASTWARD SURGING COLD FRONT...THUNDERSTORMS MAY BEGIN
CONSOLIDATING INTO LARGER CONVECTIVE CLUSTER BETWEEN ENID AND
WICHITA AFTER 28/00Z.  POTENTIAL FOR LARGE HAIL/DAMAGING WINDS WILL
PERSIST INTO THE EVENING HOURS...WITH LOCALLY HEAVY RAIN ALSO
BECOMING INCREASING THREAT.

..KERR.. 03/27/2004

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

ATTN...WFO...TSA...TOP...ICT...OUN...DDC...

36169934 37229944 37879885 38669779 38379635 37659602
36889630 35829762 34919882 35349948

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 26, 6:00 PM CSTMesoscale DiscussionSPCClark, Finney, Ford, Grant, Gray, Hamilton and 7 more2 hr
Mar 27, 1:55 AM CSTMesoscale DiscussionSPCGrant, Morton, Seward, Stanton, Stevens2 hr
Mar 27, 7:12 AM CSTMesoscale DiscussionSPCBarber, Clark, Comanche, Edwards, Ford, Harper and 7 more93 min
Mar 27, 9:12 AM CSTMesoscale DiscussionSPCBarber, Barton, Clark, Comanche, Edwards, Ellis and 21 more3 hr
Mar 27, 11:35 AM CSTSevere Thunderstorm WatchSPCBarber, Barton, Clark, Comanche, Edwards, Ellis and 23 more5 hr
Mar 27, 12:07 PM CSTMesoscale DiscussionSPCBarber, Harper, Sumner113 min
Mar 27, 1:35 PM CSTTornado WatchSPCBarber, Barton, Harper, Harvey, Kingman, McPherson and 6 more5 hr
Mar 27, 1:36 PM CSTMesoscale DiscussionSPCBarber, Barton, Edwards, Kingman, Pawnee, Pratt and 3 more114 min
Mar 27, 3:04 PM CSTMesoscale DiscussionSPCAnderson, Butler, Chase, Clay, Cloud, Coffey and 21 more116 min
Mar 27, 9:58 AM CSTMesoscale DiscussionSPCBeckham, Ellis, Greer, Harmon, Roger Mills2 hr
Mar 27, 12:30 PM CSTTornado WatchSPCAlfalfa, Beckham, Blaine, Caddo, Canadian, Comanche and 17 more6 hr
Mar 27, 1:58 PM CSTMesoscale DiscussionSPCCotton, Tillman2 hr
Mar 27, 3:53 PM CSTMesoscale DiscussionSPCAdair, Cherokee, Delaware, Haskell, Hughes, McIntosh and 6 more2 hr
Mar 27, 5:08 PM CSTMesoscale DiscussionSPCAlfalfa, Blaine, Caddo, Canadian, Comanche, Custer and 14 more37 min
Mar 27, 5:30 PM CSTTornado WatchSPCAlfalfa, Blaine, Caddo, Canadian, Comanche, Custer and 11 more6 hr

Nearby

Mesoscale Discussions in Kansas, 2004Mesoscale Discussions in Oklahoma, 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.