Figure F-13. WST

METEOROLOGY FLIGHT PLANNING

APPENDIX F

NCEP/AWC - CENTRAL U.S. CONVECTIVE SIGMET

30 MAY 2000 - 22:03:02 UTC

WSUS41 KMKC 302157

MKCC WST 302155

CONVECTIVE SIGMET 70C

VALID UNTIL 2355Z

FROM 20N BAE-DLL

LINE TS 20 NM WIDE NOV FROM 28030KT. TOPS TO FL400.

CONVECTIVE SIGMET 71C

VALID UNTIL 2355Z

FROM 70WSW INK-80ESE MRF-50SSW MRF-70WSW INK

AREA TS MOV FROM 17010KT. TOPS TO FL430.

OUTLOOK VALID 302355-310355

AREA 1...FROM 50NNE MSP-ASP-ROD-30NE IRK-50ENE HLC-FSD-50NNE

MSP

SCT TS ARE EXPD ALG/NORTH OF QUASI-STNRY FNT FM CNTRL NEB THRU

IA TO CNTRL WI. OUTLFLOW BOUNDARIES FM EARLIER CNVCTN WILL ALSO

FOCUS INSTABILITY AND AID TS DVLPMT. SOME TS MAY BE STG-

SEV..ESPECIALLY OVR ERN NEB/IA WHERE INSTABILITY WILL BE GREATEST.

WST ISSUANCES ARE LIKELY THRU MOST OF THE PERIOD.

AREA 2...FROM BOY-DDY-50WNW BFF-50NE PUB-50WNW PUB-DBL-30N

CHE-BOY

FNTL BNDRY ACRS CNTRL CO WILL REMAIN NEARLY STNRY THRU THE PERIOD.

INCRG LOW LVL UPSLOPE FLOW WILL TRANSPORT RATHER MOIST AIR WWD INTO

ERN CO/ERN WY. MARGINAL INSTABILITY IS EXPD TO PRODUCE WDLY SCT TS.

OCNL WST ISSUANCES MAY BE REQUIRED.

MAHONY/CARLE

Figure F-13 WST

FIGURES FOR EXAMINATIONS

F-13