Alert archive / Kansas / Mesoscale Discussions in 2005

Mesoscale Discussion 1613

July 3, 200525 counties in Kansas; 6 counties in Nebraska

The Storm Prediction Center issued this mesoscale discussion at Jul 3, 2005, 7:39 AM CDT for 25 counties in Kansas; 6 counties in Nebraska. It was in force for 66 min.

The area

The outline as issued.

The facts

Issued
Jul 3, 2005, 7:39 AM CDT (12:39 UTC)
Expired
Jul 3, 2005, 8:45 AM CDT
In force
66 min
Issued by
the Storm Prediction Center
All 31 counties

Barton County, KS, Decatur County, KS, Ellis County, KS, Ellsworth County, KS, Gove County, KS, Graham County, KS, Jewell County, KS, Lane County, KS, Lincoln County, KS, Mitchell County, KS, Ness County, KS, Norton County, KS, Osborne County, KS, Pawnee County, KS, Phillips County, KS, Rawlins County, KS, Rice County, KS, Rooks County, KS, Rush County, KS, Russell County, KS, Saline County, KS, Sheridan County, KS, Smith County, KS, Thomas County, KS, Trego County, KS, Franklin County, NE, Furnas County, NE, Harlan County, NE, Nuckolls County, NE, Red Willow County, NE, Webster County, NE

The radar

The Dodge City radar (KDDC), 144 km from the middle of the area, began a volume at 12:41 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, 0.7 hours before the alert went out and 142 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 2005-07-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 815 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 2005-07-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 240 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
815 J/kg
Mixed-layer CIN
-321 J/kg
Mixed-layer LCL
1468 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
240 m²/s²
0-3 km storm-relative helicity
268 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

000 
ACUS11 KWNS 031239
SWOMCD
SPC MCD 031239 
KSZ000-NEZ000-031345-

MESOSCALE DISCUSSION 1613
NWS STORM PREDICTION CENTER NORMAN OK
0739 AM CDT SUN JUL 03 2005

AREAS AFFECTED...FAR SRN NEB AND PARTS OF NRN/CENTRAL KS

CONCERNING...SEVERE THUNDERSTORM POTENTIAL 

VALID 031239Z - 031345Z

NEW WW WILL BE ISSUED SOON FOR PARTS OF FAR SRN NEB AND NRN/CENTRAL
KS THIS MORNING.

REGIONAL RADARS AND SURFACE OBSERVATIONS INDICATED A SURFACE TRIPLE
POINT OVER NWRN KS/SWRN NEB...WHERE A COLD FRONT EXTENDING FROM NERN
NEB TO SWRN NEB INTERSECTED A LEE TROUGH OVER FAR ERN CO...AND AN
OUTFLOW BOUNDARY FROM THE WEAKENING CONVECTIVE CLUSTER OVER CENTRAL/
ERN KS.  WAA ASSOCIATED WITH A 35 KT SLY LLJ IS SUPPORTING THE
CURRENT STORMS ACROSS WEST CENTRAL KS TO SWRN NEB...WITH 35 KT OF
WLY MID LEVEL FLOW AIDING IN SUFFICIENT EFFECTIVE DEEP LAYER SHEAR
FOR STORM ORGANIZATION.  ALTHOUGH THE LLJ IS EXPECTED TO DECREASE IN
STRENGTH THIS MORNING...IT IS EXPECTED TO REMAIN STRONG ENOUGH TO
RESULT IN A FAVORABLE WAA REGIME EWD ACROSS FAR SRN NEB AND PARTS OF
NRN/CENTRAL KS FOR ADDITIONAL STORMS TO DEVELOP.  MODERATE MUCAPE
VALUES PER DDC 12Z SOUNDING WITH STEEP MID LEVEL LAPSE RATES
INDICATED A CONTINUED THREAT FOR HAIL AND STRONG WIND GUSTS.

..PETERS.. 07/03/2005

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

ATTN...WFO...TOP...ICT...GID...DDC...GLD...

38180020 38700092 40070161 40279990 40229805 38509743
38119881

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 3, 4:32 AM CDTMesoscale DiscussionSPCBarber, Comanche, Edwards, Harper, Kingman, Kiowa and 4 more118 min
Jul 3, 7:45 AM CDTSevere Thunderstorm WatchSPCCheyenne, Decatur, Ellis, Gove, Graham, Greeley and 15 more5 hr
Jul 3, 12:11 PM CDTMesoscale DiscussionSPCCheyenne, Decatur, Ellis, Gove, Graham, Greeley and 15 more64 min
Jul 3, 12:45 PM CDTSevere Thunderstorm WatchSPCBarton, Cheyenne, Decatur, Ellis, Ellsworth, Finney and 29 more8 hr
Jul 3, 1:36 PM CDTMesoscale DiscussionSPCBarber, Clark, Comanche, Edwards, Ford, Grant and 13 more84 min
Jul 3, 2:35 PM CDTSevere Thunderstorm WatchSPCBarber, Barton, Butler, Chase, Clark, Comanche and 34 more6 hr
Jul 3, 5:02 PM CDTMesoscale DiscussionSPCAllen, Anderson, Atchison, Bourbon, Brown, Coffey and 14 more118 min
Jul 3, 5:20 PM CDTSevere Thunderstorm WatchSPCAnderson, Atchison, Brown, Coffey, Doniphan, Douglas and 12 more6 hr
Jul 3, 6:07 PM CDTMesoscale DiscussionSPCButler, Cowley, Harper, Harvey, Kingman, McPherson and 5 more53 min
Jul 3, 5:22 PM CDTMesoscale DiscussionSPCBuffalo, Chase, Cheyenne, Dawson, Deuel, Dundy and 14 more113 min

Nearby

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