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same as EDT) AVN AViatioN run of the NCEP Medium Range Forecast (MRF) AWIPS Advanced Weather Interactive Processing System AOC Army Operations Center, Pentagon ARC American Red Cross ARES Amateur Radio Emergency Services ARRL American Radio Relay League AVN AViation ruN of the NCEP MRF model CARCAH Chief, Aerial Reconnaissance Coordination, All Hurricanes CDT Central Daylight Time CLIPER CLImatology and PERsistence (statistical track forecast model) CONUS Continental United States CP Continental Polar (dry (continental) and cold (polar) airmass) CST Central Standard Time DAE Disaster Assistance Employee DAC Disaster Application Center DCO Defense Coordinating Officer DFO Disaster Field Office DOC Department of Commerce EAS Emergency Alert System EBS Emergency Broadcast System EDT Eastern Daylight Time EICC Emergency Information and Coordination Center (FEMA) EMS Emergency Medical Services EMWIN Emergency Manager's Weather Information Center EOC Emergency Operations Center EOP Emergency Operations Plan ERT Emergency Response Team (FEMA) ERT-A Advance Element of the Emergency Response Team (FEMA) ESF Emergency Support Function EST Emergency Support Team (FEMA) / Eastern Standard Time FAST Field Assessment Team FCO Federal Coordinating Officer (FEMA) FEMA Federal Emergency Management Agency FRP Federal Response Plan GFDL Geophysical Fluid Dynamics Laboratory (a location and a computer model) GFS Global Forecasting System GMT Greenwich Mean Time GOES Geostationary Operational Environmental Satellite GUNS GFDL-UKMET-NOGAPS model ensemble average GUNA GFDI-UKMI-NGPI-AVNI model ensemble average HES Hurricane Evacuation Study HF High Frequency ICS Incident Command System IT Information Technology Directorate (FEMA) ITCZ Inter-Tropical Convergence Zone JIC Joint Information Center KM Kilometers KT Knots (nautical miles per hour 1 KT = 1.15 MPH) LBAR Limited area BARotropic (NCEP model) LGE Logistic Growth Equation (modified SHIPS) LLCC Low Level Cloud Center M Statute Mile MB Millibars MEOW Maximum Envelope of Water or Maximum Envelope of Winds MERS Mobile Emergency Response Support (FEMA) MPH Miles Per Hour MOC MERS Operations Center (FEMA) MRF Medium Range Forecast (NCEP) M/S Meters Per Second MT Mitigation Directorate (FEMA) NAM North American Mesoscale model NASA National Aeronautics and Space Administration NAWAS National Warning System NDMS National Disaster Medical System NECC National Emergency Coordination Center (FEMA) NEXRAD Next Generation of Radar NHC National Hurricane Center NM Nautical Mile NPSC National Process Serving Center (FEMA) NTC National Teleregistration Center (FEMA) NOAA National Oceanic and Atmospheric Administration NOGAPS Naval Operational Global Atmospheric Prediction System NVOAD National Voluntary Organizations Active in Disaster NWS National Weather Service NWSFO National Weather Service Forecasting Office OSC On-Scene Coordinator OS Operations Support Directorate (FEMA) PIO Public Information Officer PT Preparedness, Training and Exercises Directorate (FEMA) PUP Principle User Processor RACES Radio Amateur Civil Emergency Service RADAR Radio Detection And Ranging RD Regional Director REACT Radio Emergency Associated Communication Team ROC Regional Operations Center RR Response and Recovery Directorate (FEMA) SCO State Coordinating Officer SFMR Stepped Frequency Microwave Radiometer SHIFOR Statistical Hurricane Intensity FORecast SHIPS Statistical Hurricane Intensity Prediction Scheme SITREP Situation Report SLOSH Sea, Lake, and Overland Surges for Hurricanes SOP Standard Operating Procedure TD Tropical Depression TS Tropical Storm TPC Tropical Prediction Center (no longer used) TAFB Tropical Analysis and Forecast Branch (at NHC) TSB Technical Support Branch (at NHC) UKMET United Kingdom Office of Meteorology (a place and a computer model) USACE United States Army Corps of Engineers USAF United States Air Force USCG United States Coast Guard USGS United States Geological Survey USN United States Navy USAR Urban Search and Rescue UTC Coordinated Universal Time VT Valid Time WFO Weather Forecast Office WRF Weather Research and Forecasting model Z Zulu Time (same as UTC)