C
C - Center (runway indentification) or Degrees Celcius
(Centigrade)
CA - Cloud-Air Lightning or California
CAA - Cold Air Advection
CADAS - Centralized Automated Data Acquisition System
CAPE - Convective Available Potential Energy
CAPPI - Constant Altitude PPI.
CARIB - Caribbean
CASCDS - Cascades
CAT - Category or Clear Air Turbulence
CAVOK - Visibility, cloud and present weather better than prescribed
values or conditions
CAVU - Ceiling and visibility unlimited
Cb or CB - Cumulonimbus Cloud
CBMAM - Cumulonimbus Mammatus
CBS - Cumulonimbi
Cc or CC - Cirrocumulus
CC - Cloud-Cloud Lightning
CCA - (or CCB, CCC ... etc, in sequence) Corrected meteorological message
(message type designator)
CCL - Convective Condensation Level
CCLDS - Clear of clouds
CCLKWS - Counter-clockwise
CCSL - Cirrocumulus Standing Leticular
CD - Climatological Data
CDA - NOAA or NESDIS Command and Data Acquisition (CDA)
Station
CDC - Climate Diagnostics Center
CDFNT - Cold front
CDFNTL - Cold frontal
CEM - Civil Emergency Message
CFP - Cold front passage
CFS - Cubic Feet per Second
CG - Cloud-Ground Lightning
CHC - Chance
CHCS - Chances
CHG - Change
CHGD - Changed
CHGG - Changing
CHGS - Changes
CHSPK - Chesepeake
Ci or CI - Cirrus
CIG - Ceiling
CIGS - Ceilings
CIN - Convective Inhibition
CISK - Conditional Instability of the Second Kind.
CLA - Clear type of ice formation
CLD - Cloud
CLDNS - Cloudiness
CLDS - Clouds
CLEGLFGLS - Great Lakes Marine Synopsis
CLEGLOCLE - Great Lakes Storm Outlook
CLEGLSCLE - Great Lakes Storm Summary
CLEICEFBO - Great Lakes Freeze-Up Outlook or Great Lakes Ice
Outlook for the Opening of Navigation
CLEICEIO - Great Lakes 5-Day Ice Outlook
CLKWS - Clockwise
CLR - Clear
CLRG - Clearing
CLRS - Clears
CM - Centimeter
CMPLX - Complex
CNCL - Cancel
CNCLD - Cancelled
CNCLG - Cancelling
CNCLS - Cancels
CNDN - Canadian
CNFDC - Confidence
CNIF - Calibration Network Information Files
CNL - Cancel or cancelled
CNTR - Center
CNTRD - Centered
CNTRL - Central
CNTRLN - Centerline
CNTRS - Centers
CNTY - County
CNTYS - Counties
CNVG - Converge
CNVGG - Converging
CNVGNC - Convergence
CNVTN - Convection
CNVTV - Convective
CNVTVLY - Convectively
CO - Colorado
COE - An acronym for Corps of Engineers
COM - Communications
COMPAR - Compare
COMPARD - Compared
COMPARG - Comparing
COMPARS - Compares
COND - Conditions
CONS - Continuous
CONSHELF - Continental Shelf
CONT - Continue(s) or continued
CONTD - Continued
CONTDVD - Continental Divide
CONTG - Continuing
CONTLY - Continually
CONTRAILS - Condensation Trails
CONTS - Continues
CONUS - Continental United States.
COOR - Co-ordinate or co-ordination
COORD - Coordinate
COR - Correction
COT - At the coast
COV - Cover or covered or covering
CPBL - Capable
CPC - Climate Prediction Center
CPHC - Central Pacific Hurricane Center
CR - Composite Reflectivity
CRC - Composite Reflectivity Contour
CRC - Circle
CRCLC - Circulate
CRCLN - Circulation
CRNR - Corner
CRNRS - Corners
CRP - Critical Rainfall Probability
CRS - Course
Cs or CS - Cirrostratus
CS - Combined Shear
CSC - Combined Shear Contour
CSDR - Consider
CSDRBL - Considerable
CSI - Conditional Symmetric Instability
CST - Coast
CSTL - Coastal
CT - Connecticut or Cross Totals
CTGY - Category
CTSKLS - Catskills
Cu or CU - Cumulus.
CUF - Cumuliform
CUFRA - Cumulus Fractus
CVR - Cover
CVRD - Covered
CVRG - Covering
CVRS - Covers
CW - Cloud-Water Lightning or Continuous Wave
CWA - County Warning Area
CWF - Coastal Marine Forecasts
CYC - Cyclonic
CYCLGN - Cyclogenesis
