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M
M - Mesocyclone, Mach number (followed by figures), or
Meters (preceded by figures)
m2/s2 - meters squared per second squared, equivalent to
J/kg. See CAPE and CIN.
MA - Massachusetts
MAN - Manitoba
MAP - Mean Areal Precipitation or Aeronautical maps and charts
MAR - March
MAREP - Marine Reporting Program
MAX - Maximum
MAY - May
MB or mb - Millibars.
MCC - Mesoscale Convective Complex
MCD - Mesoscale Discussion
MCDW - Monthly Climatic Data of the World
McIDAS - Man-computer Interactive Data Access System.
MCS - Mesoscale Convective System
MCW - Modulated continuous wave
MD - Maryland
MDFY - Modify
MDFYD - Modified
MDFYG - Modifying
MDL - Model
MDLS - Models
MDS - Minimum Discernible Signal
MDT - Moderate
MDTLY - Moderately
ME - Maine
MED - Medium
MEGG - Merging
MESO - Mesocyclone or Mesoscale
MET - Meteorological or meteorology
METAR - Aviation rountine weather report (in aeronautical meteorological
code)
METRO - Metropolitan
MEX - Mexico
MHKVLY - Mohawk Valley
MI - Michigan
MIC - Meteorologist-In-Charge
Micro-ART - Microcomputer Automatic Radiotheodolite Master
Control Unit
MID - Middle
MIDN - Midnight
MIFG - Shallow fog
MIL - Military
MIN - Minutes or Minimum
MISG - Missing
MLCAPE - Mean Layer CAPE
MLLI - Mean Layer Lifted Index
MLLW - Mean Lower Low Water
MLOS - Microwave Line-Of-Site
MLTLVL - Melting level
MLW - Mean Low Water
MN - Minnesota
MNLND - Mainland
MNLY - Mainly
MNM - Minimum
MNT - Monitor or monitoring or monitored
MO - Missouri
MOD - Meteorological Operations Division or Moderate
MOGR - Moderate or greater
MON - Above mountains or Monday
MOS - Model Output Statistics
MOV - Move or moving or movement
MOVD - Moved
MOVG - Moving
MOVMT - Movement
MOVS - Moves
MPC - Marine Prediction Center
MPH - Miles per hour
MPL - Max Parcel Level
MRF - Medium-Range Forecast model
MRGL - Marginal
MRGLLY - Marginally
MRNG - Morning
MRTM - Maritime
MS - Mississippi or Minus
MSG - Message
MSL - Mean Sea Level
MST - Most
MSTLY - Mostly
MSTR - Moisture
MT - Montana or Mountain
MTN - Mountain
MTNS - Mountains
MTU - Metric units
MTW - Mountain waves
MUCAPE - Most Unstable CAPE
MULI - Most Unstable Lifted Index
MULT - Multiple
MULTILVL - Multi-level
MWO - Meteorological watch office
MX - Mixed type of ice formation (white and clear)
MXD - Mixed
