Monday 7th March
John Cardwell

1230 Starts snowing at NCAR
1237 looks like sleet ~1mm diameter
1303 leave for K-Band
1308 On Highway 119 rain+some pellets of ice
1320 still mainly rain, getting near to K-Band
1327 Arrive at K-Band Lat 40 5' 56" long 105 2' 8"
     Light drizzle falling, overcast - NO snow
     winds NE 15-20mph
     Calibration video 3983-3994 photo#1
1333 First chemistry bag put out
1413 surface temp ~ 2.0C, Drizzle, wind NE 15-20mph
1433 collect chem sample#1 - start next
1456 First precip sample - video 3994-4105
     250micron drop photo#2
     60&250micron drops #3
     50+100micron drops #4
     2*150micron drops #5     
1505 very light mist with very small cloud droplets
     ~200microns in size. Still no snow
     visibility about 2 miles, winds the same.
1533 collected Chem sample#2 - start next
1538 Mist about half as intense, temp~ 1.0C
     winds the same
     water in chemistry bag beginning to freeze
1543 Starting to get freezing drizzle.
     Water starts to freeze on van mirror after contact
1551 Getting some ice crystal now
1555 some small ice particles on blackboard
     second precip sample 4105-4220
     400micron drop #6
     600 joined to a 150 micron drop #7
     2*200micron drops#8
1605 light mist falling - not seeing small
     ice particles anymore wind NE 5-10mph
     temp~0c wetbulb -1.3c
     get chem sample#3
1625 temp from k-band is 1.5c wet -1.5c
     our temp =-.3c
     winds NE ~5mph
     light mist
     metal & other surfaces getting slippery
     drizzle freezes after contact
1634 King Air should fly over about 5pm
     starting first filter sample #558 flow 1.5l/min
1638 our temp -.9c, chem bag had ice in it
1656 3rd sample 4220-4365
     large piece of ice #9
     "" "" "" ""  "" "" #10
     300-400micron drop #11
     400 joined to 150micron drop #12
1700 winds ENE 10-15mph temp -1.gC
     getting some ice particles now
     graupel ~ .5-1mm
     thin column 1mm length
1705 We are getting some columns & frozen drops
     though we see no columns in the samples (melting?)
1710 temp -1.2 crystals are coming in short bursts
     get chem sample#4
1717 4th sample 4365-4498 
     2*150 & 300micron drops#13
     Tiny graupel with fern branches-1mm #14
     1mm dendrite with needle branches  #15
     1mm dendrite with needle branches + 250 drop #16  
1725 5th sample 4998-4640
     frozen clump (takes up screen) #17
     very small needle 400microns #18
     group of small needles #19
1730 King Air finished overhead
     seeing some a few thin columns 1.5mm long
1731 6th sample 4640-4709
     column-shaped piece of ice #20
1736 filter sample finished off
1738 seeing needles
     winds ENE 10-15 mph
     Temp is 2c
     mainly freezing drizzle
     some very small graupel ~500microns
     precip extremely light
     getting small needles or columns <500microns
1748 Not much falling now. Very few ice crystals
     very little freezing drizzle
     seems to change spasmodically from ice to
     freezing drizzle
1749 7th sample 4709-4858 
     Big slab of ice 3mm long #21   
     Huge frozen drop or sheet and H rimed particle #22
1800 8th sample 4858-5152 wind ENE strong
     extremely light mist now very few crystals
     drops ~ 50microns
     column or needle #23
     200-300micron graupel #24
     very small column 200 micron no photo
     Big chunk of ice with drop on it #25
1815 winds ENE 10-15mph
     very light mist
     temp -2.5c
1845 winds E 5-10mph
     K-band temp -.5c
     our temp -2.8c
     can't see anything on black-board
     extremely light mist
1853 9th sample 5152-5330
     cluster of frozen drops #26
     C shaped cluster of frozen drops #27
     small column 250 micron #28
     small cluster of drops of 30-300 microns #29
              (cluster size 750 microns)
     Hollow columns 250 microns #30
     Bundle of columns #31
1855 frozen cluster of drops
     a few very small columns
     drops range in size
1906 precip still extremely light
     getting mainly cluster of frozen drops
1907 10th sample 5330-5491
     small column #32
     3 drops merged together #33
1914 get chem sample #5
1916 very tiny ice particles extremely light precip
     our temp is -3.2c
1955 11th sample 5491-5628
     cluster of frozen drops #34
     Big cluster of frozen drops #35
     750 micron frozen drop & 750micron graupel #36
     100omicron frozen drop #37
2000 Mainly frozen drops and clusters
     wind E 5-10mph
     our temp is -3.2c
 
Chem samples -
     1    1333-1433
     2    1433-1533
     3    1533-1605
     4    1611-1711
     5    1714-1914

Filter sample #MV558 1634-1736