Alert archive / Kansas / Mesoscale Discussions in 2003

Mesoscale Discussion 1539

June 28, 200323 counties in Kansas; 10 counties in Oklahoma; Lipscomb County, Ochiltree County, Texas

The Storm Prediction Center issued this mesoscale discussion at Jun 28, 2003, 3:39 PM CDT for 23 counties in Kansas; 10 counties in Oklahoma; Lipscomb County, Ochiltree County, Texas. It was in force for 96 min.

The area

The outline as issued.

The facts

Issued: Jun 28, 2003, 3:39 PM CDT (20:39 UTC)
Expired: Jun 28, 2003, 5:15 PM CDT
In force: 96 min
Issued by: the Storm Prediction Center

All 35 counties

Barber County, KS, Clark County, KS, Comanche County, KS, Edwards County, KS, Finney County, KS, Ford County, KS, Grant County, KS, Gray County, KS, Hamilton County, KS, Harper County, KS, Haskell County, KS, Hodgeman County, KS, Kearny County, KS, Kiowa County, KS, Lane County, KS, Meade County, KS, Pawnee County, KS, Pratt County, KS, Scott County, KS, Seward County, KS, Stanton County, KS, Stevens County, KS, Wichita County, KS, Alfalfa County, OK, Beaver County, OK, Blaine County, OK, Dewey County, OK, Ellis County, OK, Harper County, OK, Major County, OK, Texas County, OK, Woods County, OK, Woodward County, OK, Lipscomb County, TX, Ochiltree County, TX

The radar

The Dodge City radar (KDDC), 85 km from the middle of the area, began a volume at 20:43 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

Dodge City, (KDDC), launched 12:00Z, 8.7 hours before the alert went out and 85 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 714 J/kg
Mixed-layer CIN: -280 J/kg
Mixed-layer LCL: 1282 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 363 m²/s²
0-3 km storm-relative helicity: 423 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.5

Open this sounding in Storm Lab

The text

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

647 
ACUS11 KWNS 282039
SWOMCD
SPC MCD 282039 
OKZ000-KSZ000-TXZ000-COZ000-282215-

MESOSCALE DISCUSSION 1539
NWS STORM PREDICTION CENTER NORMAN OK
0339 PM CDT SAT JUN 28 2003

AREAS AFFECTED...SWRN KS/NWRN OK/NERN TX PANHANDLE

CONCERNING...SEVERE THUNDERSTORM POTENTIAL 

VALID 282039Z - 282215Z

EXPECT ISOLATED TO SCATTERED TSTM DEVELOPMENT IN THE NEXT FEW HOURS
IN PARTS OF SWRN KS/NWRN OK/AND THE NERN TX PANHANDLE. A WW ISSUANCE
IS POSSIBLE...ALTHOUGH UNCERTAIN AT THIS TIME.

RECENT VISIBLE IMAGERY REVEALS A ESE-WNW ORIENTED OUTFLOW BOUNDARY
WITH DEVELOPING CUMULUS FROM KINGFISHER COUNTY...WNWWD INTO HARPER
COUNTY...NWWD INTO PARTS OF SWRN KS. SURFACE TEMPERATURES HAVE
WARMED INTO THE THE LOW 90S...WITH DEWPOINTS FROM AROUND 60 INTO THE
MID-UPPER 60S...LEADING TO SFC-BASED CAPE VALUES FROM AROUND
2500-3000 J/KG. ALTHOUGH VISIBLE IMAGERY INDICATES PRESENT CUMULUS
BANDS EXHIBIT LITTLE VERTICAL EXTENT...EXPECT MULTICELLULAR
DEVELOPMENT OVER THE NEXT FEW HOURS FROM WCNTRL/WRN OK NWWD INTO
SWRN KS. MODIFIED RUC40 FCST SOUNDINGS FOR THIS ENVIRONMENT SHOWS
CINH IS QUICKLY WEAKENING...VERY STEEP LAPSE RATES / 8-8.5 C/KM
700-500MB /...WITH MODESTLY STRONG DEEP LAYER DIRECTIONAL SHEAR IN
THESE AREAS. PRIMARY SEVERE THREAT WILL BE SOME STRONG DAMAGING
OUTFLOW WINDS /DCAPES FROM 1000-1500 J/KG / AND AREAS OF VERY HEAVY
RAINFALL.

..NADEN.. 06/28/2003

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

ATTN...WFO...ICT...OUN...DDC...GLD...AMA...PUB...

36039827 35689844 35779939 36110080 36790155 37680203
38240205 38570149 38469990 38059879 37379797 36469773

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 27, 10:06 PM CDT	Mesoscale Discussion	SPC	Atchison, Brown, Clay, Cloud, Doniphan, Douglas and 17 more	84 min
Jun 28, 6:05 AM CDT	Mesoscale Discussion	SPC	Allen, Anderson, Bourbon, Butler, Chase, Chautauqua and 35 more	85 min
Jun 28, 4:15 PM CDT	Severe Thunderstorm Watch	SPC	Barber, Clark, Comanche, Finney, Ford, Grant and 12 more	6 hr
Jun 28, 4:45 PM CDT	Severe Thunderstorm Watch	SPC	Cimarron	5 hr

Nearby

Mesoscale Discussions in Kansas, 2003 Mesoscale Discussions in Oklahoma, 2003 Mesoscale Discussions in Texas, 2003 Every mesoscale discussion in 2003

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.