DrJack's BLIPSPOT for: FRI 02/20 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 - - - - - - 0659z - - 1001z - - 1334z Update Time FCST PERIOD - - - - - - 12 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 35.3 - - 33.3 - - 27.9 Temp@2m Sfc.Heating - - - - - - 32 - - -2 - - -6 Sfc.Heating BL Depth - - - - - - 1597 - - 598 - - 128 BL Depth Hcrit - - - - - - 1215 - - 1215 - - 1215 Hcrit BL Top - - - - - - 2797 - - 1798 - - 1328 BL Top Hgt.Variab. - - - - - - 818 - - 1370 - - 1529 Hgt.Variab. W* - - - - - - 159 - - 46 - - 13 W* B/S - - - - - - 2 - - 1 - - 0 B/S BL Wind - - - - - - 14 - - 13 - - 8 BL Wind Direction - - - - - - 139 - - 117 - - 124 Direction Wind Shear - - - - - - 11 - - 10 - - 6 Wind Shear Max.Converg - - - - - - -4 - - -4 - - -4 Max.Converg CLOUDpotent - - - - - - 32 - - -291 - - 28 CLOUDpotentl sfcLCL - - - - - - 2765 - - 2089 - - 1300 sfcLCL ODpotential - - - - - - -6305 - - -7092 - - -613 ODpotential blCL - - - - - - 9102 - - 8890 - - 1941 blCL maxRH - - - - - - 86 - - 94 - - 100 maxRH CAPE - - - - - - 0 - - 0 - - 20 CAPE Temp@2m - - - - - - 35.3 - - 33.3 - - 27.9 Temp@2m DewPt@2m - - - - - - 27.6 - - 28.4 - - 26.5 DewPt@2m Temp@Bot - - - - - - 35.3 - - 33.6 - - 28.6 Temp@Bot DewPt@Bot - - - - - - 26.5 - - 27.9 - - 26.5 DewPt@bot Sfc.Heating - - - - - - 32 - - -2 - - -6 Sfc.Heating BL Depth - - - - - - 1597 - - 598 - - 128 BL Depth EXPERIMENT - - - - - - 44 - - 77 - - 102 EXPERIMENT EXPERIMENT2 - - - - - - 3 - - 3 - - 3 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] 97151 46 074 39 074 34 077 97151 89916 31 066 29 079 31 074 89916 84278 21 079 20 081 27 070 84278 79562 19 079 14 085 16 056 79562 75476 12 058 11 093 10 062 75476 71850 8 028 5 078 9 028 71850 68561 5 353 1 141 7 316 68561 65530 11 310 8 304 10 283 65530 62708 16 281 19 287 13 294 62708 59967 23 274 23 277 19 281 59967 57098 25 278 26 275 25 274 57098 54110 37 279 41 270 40 280 54110 51255 47 271 52 262 51 270 51255 48696 50 267 52 259 50 265 48696 46409 53 272 50 266 54 268 46409 44331 63 270 62 265 64 260 44331 42423 69 265 67 263 71 253 42423 40664 73 262 74 259 70 252 40664 39033 78 258 78 259 67 254 39033 37512 82 253 85 254 68 255 37512 36087 79 253 91 252 74 253 36087 34726 82 255 90 251 79 245 34726 33367 83 251 80 251 79 238 33367 31982 71 244 72 250 74 234 31982 30577 58 243 63 246 62 230 30577 29133 56 243 56 248 45 227 29133 27628 58 244 51 252 35 227 27628 26053 59 245 46 248 27 220 26053 24404 60 246 46 241 27 214 24404 22682 60 244 49 237 30 219 22682 20889 56 239 52 238 31 222 20889 19023 44 230 52 240 31 217 19023 17082 30 220 47 237 30 210 17082 15112 25 217 41 228 31 215 15112 13213 18 214 33 219 37 230 13213 11481 7 187 25 211 43 230 11481 9944 7 148 20 193 38 216 9944 8582 9 161 19 159 32 201 8582 7374 9 161 22 130 26 189 7374 6300 9 160 21 116 21 171 6300 5350 10 166 18 113 22 158 5350 4517 14 170 17 120 26 147 4517 3784 20 161 19 127 30 136 3784 3134 20*150 21 126 33 128 3134 2563 17*142 21 122 30 126 2563 2088 16 139 19*120 25 125 2088 1723 14 138 17*119 20 125 1723 1471 12 137 14 117 15*125 1471 1318 10 136 11 116 12*124 1318 1231 7 136 7 116 6 124 1231 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