Eastern Mass Hawk Watch

DEFINITIONS  for  Data  Forms

TIME (STD) Eastern STANDARD Time:  weather and flight conditions at beginning of hour,
  sightings to the minute
Wind Speed  

enter CODE 

 
  calm, smoke rises vertically 0  
  smoke drifts to show wind direction 1  
  leaves rustle, wind felt on face 2  
  leaves, small twigs in constant motion; light flag extended 3  
  raises dust, leaves, loose paper; small branches in motion 4  
  small trees with leaves sway 5  
  larger branches in motion; whistling heard in wires 6  
  whole trees in motion; resistance felt walking against wind 7  
  twigs, small branches broken off trees; walking generally impeded 8  
Wind Direction compass direction FROM which the wind is coming (N, NNE, SE, etc.);
  if variable, enter VAR
Temp (Celsius) if you don't have a thermometer with Celsius, read deg F, then convert later
  using C=(F-32)x5/9
Humidity estimate %
Bar. Pressure in inches, if known
Cloud Cover estimate % of sky with background cloud cover
Visibility (km) estimate from your longest view, in km (multiply miles by 1.5 to get ~kms)
Precipitation

enter CODE

 
  None 0  
  Haze or Fog 1  
  Drizzle 2  
  Rain 3  
  Thunderstorm 4  
  Snow 5  
  Wind-driven dust, sand or snow 6  
Flight Direction compass direction migrants are HEADING (S, SSW, etc.)
Height of Flight  

enter CODE

 
  below eye level 0  
  eye level to ~30 meters 1  
  birds seen easily with unaided eyes (or with eyeglasses) 2  
  at limit of unaided vision 3  
  beyond limit of unaided eye but visible with binoculars up to 10x 4  
  at limit of binoculars 5  
  beyond limit of binoculars up to 10x, but seen with >10x or telescope 6  
  no predominant height - most often used code 7  
No. of observers number of observers actually contributing observations during the hour
Dur.of obs.(min.) amount of observation time, in minutes, during the hour
Comments anything you can add about the flight or specific birds (e.g. kettle size; plumage;
  full crop; unusual behavior)
  on the Field Recording Sheet:  number the observation, then write it (numbered) on the back
  on the HMANA DRF summary sheet:  mark "x" under comments, then copy observation to the back