Alert archive / Missouri / Mesoscale Discussions in 2003
Mesoscale Discussion 2103
The Storm Prediction Center issued this mesoscale discussion at Aug 5, 2003, 9:30 PM CDT for 12 counties in Kansas; 27 counties in Missouri; 4 counties in Oklahoma. It was in force for 90 min.
The area
The outline as issued.
The facts
- Issued
- Aug 5, 2003, 9:30 PM CDT (02:30 UTC)
- Expired
- Aug 5, 2003, 11:00 PM CDT
- In force
- 90 min
- Issued by
- the Storm Prediction Center
All 43 counties
Allen County, KS, Bourbon County, KS, Chautauqua County, KS, Cherokee County, KS, Crawford County, KS, Elk County, KS, Greenwood County, KS, Labette County, KS, Montgomery County, KS, Neosho County, KS, Wilson County, KS, Woodson County, KS, Barry County, MO, Barton County, MO, Camden County, MO, Cedar County, MO, Christian County, MO, Dade County, MO, Dallas County, MO, Douglas County, MO, Greene County, MO, Hickory County, MO, Howell County, MO, Jasper County, MO, Laclede County, MO, Lawrence County, MO, McDonald County, MO, Newton County, MO, Ozark County, MO, Phelps County, MO, Polk County, MO, Pulaski County, MO, St. Clair County, MO, Stone County, MO, Taney County, MO, Texas County, MO, Vernon County, MO, Webster County, MO, Wright County, MO, Craig County, OK, Nowata County, OK, Ottawa County, OK, Washington County, OK
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 2.5 hours before the alert went out and 62 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.
- Mixed-layer CAPE
- 2285 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 1305 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- -2 m²/s²
- 0-3 km storm-relative helicity
- 23 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.5
The text
As transmitted, in the capitals the NWS used until 2016.
894 ACUS11 KWNS 060230 SWOMCD SPC MCD 060230 MOZ000-OKZ000-KSZ000-060400- MESOSCALE DISCUSSION 2103 NWS STORM PREDICTION CENTER NORMAN OK 0930 PM CDT TUE AUG 05 2003 AREAS AFFECTED...SERN KS...SWRN MO...NERN OK. CONCERNING...SEVERE THUNDERSTORM WATCH 844... VALID 060230Z - 060400Z A NUMBER OF INTENSE TSTMS...A FEW OF THEM SUPERCELLS...WERE MOVING DUE SOUTH ACROSS THE WRN PORTION OF WW 844 AND WILL MOVE ACROSS NOWATA...CRAIG...OTTAWA...AND DELAWARE COUNTIES OF NERN OK OVER THE NEXT HOUR. TUL RADAR WAS SHOWING 25-30KT INBOUND RADIAL WINDS ASSOCIATED WITH STORM OUTFLOWS MOVING INTO NERN OK ATTM WHILE STRONG VIL CORES ON A FEW OF THE CELLS STILL INDICATE LARGE HAIL POTENTIAL A COUPLE OF OTHER STORMS WILL MOVE SOUTH INTO WEBSTER AND WRIGHT COUNTIES IN SCNTRL MO DURING THE NEXT HOUR. DESPITE STRONG DOWNSTREAM INSTABILITY...EXPECIALLY ACROSS NERN OK...DIURNAL BOUNDARY LAYER COOLING WAS LIKELY RESULTING IN INCREASING CONVECTIVE INHIBITION TO THE SOUTH OF THE ONGOING CONVECTION. IN ADDITION...WEAK LOW LEVEL FLOW AND MINIMAL LARGE SCALE SUPPORT FOR ASCENT WOULD SUGGEST A GRADUAL DECREASE IN STORM INTENSITY OVER THE NEXT TWO HOURS. WHILE A STRONG STORM OR TWO MAY MOVE BEYOND THE SRN EDGE OF WW 844 AFTER 03Z...ANOTHER WATCH IS NOT ANTICIPATED AT THIS TIME. ..CARBIN.. 08/06/2003 ...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT... ATTN...WFO...SGF...EAX...TSA...TOP...ICT... 36559153 36509624 38069631 38079263 38069159
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 5, 8:15 PM CDT | Severe Thunderstorm Watch | SPC | Allen, Bourbon, Chautauqua, Cherokee, Crawford, Elk and 6 more | 4 hr |
| Aug 6, 3:12 PM CDT | Mesoscale Discussion | SPC | Cheyenne, Greeley, Hamilton, Kearny, Logan, Sherman and 3 more | 2 hr |
| Aug 6, 2:27 PM CDT | Mesoscale Discussion | SPC | Dunklin, Pemiscot | 2 hr |
Nearby
Mesoscale Discussions in Missouri, 2003Mesoscale Discussions in Kansas, 2003Mesoscale Discussions in Oklahoma, 2003Every 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.