Alert archive / Missouri / Mesoscale Discussions in 2003
Mesoscale Discussion 52
The Storm Prediction Center issued this mesoscale discussion at Feb 6, 2003, 10:50 AM CST for Cherokee County, Labette County, Kansas; 29 counties in Missouri; 7 counties in Oklahoma. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Feb 6, 2003, 10:50 AM CST (16:50 UTC)
- Expired
- Feb 6, 2003, 2:45 PM CST
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
All 38 counties
Cherokee County, KS, Labette County, KS, Barry County, MO, Barton County, MO, Camden County, MO, Cedar County, MO, Christian County, MO, Cole County, MO, Crawford County, MO, Dade County, MO, Dallas County, MO, Dent County, MO, Douglas County, MO, Gasconade County, MO, Greene County, MO, Hickory County, MO, Jasper County, MO, Laclede County, MO, Lawrence County, MO, Maries County, MO, McDonald County, MO, Miller County, MO, Newton County, MO, Osage County, MO, Phelps County, MO, Polk County, MO, Pulaski County, MO, Stone County, MO, Texas County, MO, Webster County, MO, Wright County, MO, Craig County, OK, Nowata County, OK, Osage County, OK, Ottawa County, OK, Pawnee County, OK, Payne County, OK, Washington County, OK
The radar
The Tulsa radar (KINX), 101 km from the middle of the area, began a volume at 16:49 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
Springfield, MO (KSGF), launched 12:00Z, 4.8 hours before the alert went out and 97 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 484 m above ground
- 0-6 km bulk shear
- 67 kt
- 0-1 km storm-relative helicity
- 23 m²/s²
- 0-3 km storm-relative helicity
- 70 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
591 ACUS11 KWNS 061651 SWOMCD SPC MCD 061650 OKZ000-KSZ000-MOZ000-062045- MESOSCALE DISCUSSION 0052 NWS STORM PREDICTION CENTER NORMAN OK 1050 AM CST THU FEB 06 2003 AREAS AFFECTED...NRN/NERN OK...SERN KS....SWRN/SRN MO.... CONCERNING...HEAVY SNOW VALID 061650Z - 062045Z EXPECT AREAS OF BRIEF HEAVY SNOWFALL RATES UP TO 1 IN/HR THRU THE MID AFTERNOON HOURS FROM N CNTRL OK ENEWD INTO SWRN/CENTRAL MO. VISIBLE/WV IMAGERY INDICATES VORTICITY LOBE ASSOCIATED WITH COUPLED REGION OF THE MID-LVL JET TRANSLATING ENEWD THRU NWRN TX INTO SWRN OK. WITH STRONG 150 KT 250MB JET STREAK EXPECTED TO CONTINUE TO SPREAD ENEWD FROM THE SRN PLAINS ENEWD INTO THE MID MS VALLEY REGION...EXPECT A 700-750MB FRONTOGENETICAL BAND TO INTENSIFY ON THE CYCLONIC SIDE OF THE JET STREAK. MID-LVL DRYING ASSOCIATED WITH THE IMPINGEMENT OF THE VORTICITY LOBE INTO THE SRN PLAINS WILL AID IN THE OVERALL WEAKENING OF THE SNOWFALL RATES ACROSS ERN OK...WHILE REGION OF 700MB FRONTOGENESIS FORCING IS EXPECTED TO ENHANCE THE SNOWFALL RATES FROM N CENTRAL OK ENEWD INTO SWRN/CENTRAL MO THRU 06/21Z. ..NADEN/GOSS.. 02/06/2003 ...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT... 36139753 36439717 37089572 38749186 38359129 37189136 36639373 36419556 36019720
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 5, 11:25 PM CST | Mesoscale Discussion | SPC | Clark, Comanche | 9 hr |
Nearby
Mesoscale Discussions in Missouri, 2003Mesoscale Discussions in Oklahoma, 2003Mesoscale Discussions in Kansas, 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; radar from the NEXRAD Level II archive.