DrJack's BLIPSPOT for: SUN 08/02 Montpelier_VT 1200ft pt43602@44.219,-72.589,1132ft SPONSORED BY: Moshe Braner, Post Mills Soaring Club BLIPSPOT sfc.temp. adjusted by +0.2 degF RUC - Last Analysis,Validation Time = 12Z 0Z ----------------------------------- VALIDATION TIME --------------------------------------- 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z ------------------------------------------------------------------------------------------- Update Time - - - - - - 0953z - - 1001z - - 1333z Update Time FCST PERIOD - - - - - - 9 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 75.3 - - 79.9 - - 71.8 Temp@2m Sfc.Heating - - - - - - 36 - - 16 - - -20 Sfc.Heating BL Depth - - - - - - 1678 - - 4599 - - 34 BL Depth Hcrit - - - - - - 1218 - - 1218 - - 1218 Hcrit BL Top - - - - - - 2878 - - 5799 - - 1234 BL Top Hgt.Variab. - - - - - - 2941 - - 2819 - - 3213 Hgt.Variab. W* - - - - - - 174 - - 218 - - 20 W* B/S - - - - - - 3 - - 3 - - 1 B/S BL Wind - - - - - - 11 - - 15 - - 6 BL Wind Direction - - - - - - 182 - - 186 - - 178 Direction Wind Shear - - - - - - 10 - - 14 - - 0 Wind Shear Max.Converg - - - - - - -7 - - 12 - - -2 Max.Converg CLOUDpotent - - - - - - 48 - - 1423 - - -596 CLOUDpotentl sfcLCL - - - - - - 2830 - - 4376 - - 1831 sfcLCL ODpotential - - - - - - -1649 - - -250 - - -1862 ODpotential blCL - - - - - - 4527 - - 6049 - - 3096 blCL maxRH - - - - - - 101 - - 92 - - 97 maxRH CAPE - - - - - - 650 - - 600 - - 450 CAPE Temp@2m - - - - - - 75.3 - - 79.9 - - 71.8 Temp@2m DewPt@2m - - - - - - 66.7 - - 64.7 - - 67.5 DewPt@2m Temp@Bot - - - - - - 75.3 - - 80.4 - - 72.9 Temp@Bot DewPt@Bot - - - - - - 66.0 - - 63.6 - - 67.2 DewPt@bot Sfc.Heating - - - - - - 36 - - 16 - - -20 Sfc.Heating BL Depth - - - - - - 1678 - - 4599 - - 34 BL Depth EXPERIMENT - - - - - - 102 - - 69 - - 88 EXPERIMENT EXPERIMENT2 - - - - - - 14 - - 12 - - 15 EXPERIMENT2 PROFILES OF WIND SPEED [kt] AND DIRECTION [degTrue] ----------------------------------- VALIDATION TIME --------------------------------------- Height 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z [ft] ------------------------------------------------------------------------------------------- [ft] 99697 26 096 27 080 23 067 99697 92190 23 092 23 075 24 066 92190 86420 24 084 20 077 24 065 86420 81626 20 081 17 079 21 075 81626 77489 17 082 15 080 14 075 77489 73821 15 083 13 080 10 087 73821 70485 11 088 10 091 10 094 70485 67414 7 112 4 111 6 086 67414 64568 8 159 4 169 4 116 64568 61816 8 156 6 224 7 286 61816 58955 10 209 12 226 11 237 58955 56002 16 217 18 210 21 226 56002 53212 27 242 24 237 21 234 53212 50736 47 228 44 232 40 228 50736 48532 53 227 56 235 49 234 48532 46535 66 229 69 227 65 236 46535 44704 67 226 71 222 72 228 44704 43003 67 234 73 233 77 221 43003 41411 73 238 78 237 77 224 41411 39916 79 238 80 235 77 226 39916 38510 79 235 82 232 77 227 38510 37150 72 232 78 228 76 231 37150 35764 66 227 72 222 74 231 35764 34323 65 223 69 226 68 228 34323 32830 65 228 65 227 62 224 32830 31271 56 233 62 227 56 227 31271 29635 45 229 57 224 47 226 29635 27922 37 235 47 223 41 221 27922 26133 31 235 33 221 41 217 26133 24270 30 227 27 218 41 214 24270 22337 32 219 25 229 40 213 22337 20331 29 224 20 234 37 212 20331 18248 22 223 21 229 33 209 18248 16132 23 224 21 219 30 201 16132 14103 27 221 22 213 31 198 14103 12270 27 206 25 208 30 193 12270 10644 24 196 25 202 25 192 10644 9193 23 198 24 197 23 194 9193 7901 24 202 24 192 22 195 7901 6755 23 203 22*189 22 188 6755 5740 22 202 21*188 22 182 5740 4844 21 197 19 187 22 180 4844 4051 20 192 16 186 22 180 4051 3339 18*188 15 186 21 182 3339 2709 15*185 14 185 21 182 2709 2183 12 182 13 185 19 182 2183 1779 10 181 12 184 16 182 1779 1500 9 180 11 185 13 180 1500 1331 8 180 10 184 10 178 1331 1234 5 179 7 183 6*178 1234 PARAMETER KEY: (basic parameter information is provided at http://www.drjack.info/BLIP/INFO/basic_parameters.html) (more complete parameter descriptions are at http://www.drjack.info/BLIP/RUC/INFO/parameters.html) (additional help is at http://www.drjack.info/BLIP/INFO/index.html, e.g. "For NEW USERS" section) --------------------------------------------------------------------------------------------------- Update Time = UTC Time of BLIPSPOT calculation FCST PERIOD = Hours from model initialization time Temp@2m = Temperature at 2m AGL [F] Sfc.Heating = Surface Heating of atmosphere [W/m^2] BL Depth = Depth of the Boundary (Mixing) Layer [ft] Hcrit = Height of Critical Updraft Strength [ftMSL] BL Top = Height of Boundary Layer Top (TI=0 height) [ftMSL] Hgt.Variab = Thermal Height Variability (difference between TI=+4{F} & TI=0 Heights) [ft] W* = Thermal Updraft Velocity (subtract glider sink rate to get vario) [fpm] B/S = Buoyancy/Shear Ratio (thermals may be unworkable if 5 or less) BL Wind = Wind Speed averaged through BL [kt] Direction = Wind Direction averaged through BL [degTrue] Max.Converg = Max. Vertical Velocity created by BL Convergence [x10^-2 kt] (note: BLIPMAPs provide better evaluation since convergence lines are usually mobile CLOUDpotent = Expect clouds at or above sfcLCL if positive (difference between H(TI=0) & sfcLCL) [ft] sfcLCL = Base of Lowest Clouds, if CLOUDpotent>0 (LCL = Lifting Condensation Level based upon sfc. humidity) [ftMSL] ODpotential = Expect extensive clouds at blCL if positive (difference between H(TI=0) & blCL) [ft] bLCL = Base of Extensive Clouds, if ODpotential>0 (bl CL = Condensation Level based upon BL humidity) [ftMSL] maxRH = Maximum Relative Humidity in BL [%] CAPE = Convective Available Potential Energy [J/kg] Temp@2m = Temperature at 2m AGL [F] DewPt@2m = Dew Point Temp. at 2m AGL [F] Temp@Bot = Temperature at 16m AGL (bottom of grid) [F] (intended for DrJack's use) DewPt@Bot = Dew Point Temp. at 16m AGL (bottom of grid) [F] (intended for DrJack's use) Sfc.Heating = Surface Heating of atmosphere [W/m^2] BL Depth = Depth of the Boundary (Mixing) Layer [ft] EXPERIMENT = Mystery variable for test purposes (intended for DrJack's use) * = Indicates BL Top (TI=0 Height) on profiles Note: printed heights are for 18Z - heights for other times differ slightly Results neglect thermals created by small-scale features not resolved by the smoothed model topography