DrJack's BLIPSPOT for: WED 04/29 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 - - - 0653z - - 0955z - - 1000z - - 1333z Update Time FCST PERIOD - - - 9 hr - - 9 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - 56.8 - - 63.7 - - 62.6 - - 57.5 Temp@2m Sfc.Heating - - - 274 - - 309 - - 81 - - -36 Sfc.Heating BL Depth - - - 2295 - - 4534 - - 3521 - - 33 BL Depth Hcrit - - - 2556 - - 4295 - - 2799 - - 1217 Hcrit BL Top - - - 3495 - - 5734 - - 4721 - - 1233 BL Top Hgt.Variab. - - - 990 - - 1730 - - 2305 - - 3976 Hgt.Variab. W* - - - 351 - - 460 - - 275 - - 16 W* B/S - - - 6 - - 7 - - 3 - - 0 B/S BL Wind - - - 11 - - 11 - - 18 - - 8 BL Wind Direction - - - 149 - - 170 - - 139 - - 128 Direction Wind Shear - - - 4 - - 6 - - 8 - - 0 Wind Shear Max.Converg - - - -4 - - -5 - - -10 - - -3 Max.Converg CLOUDpotent - - - -864 - - -118 - - -1231 - - -3703 CLOUDpotentl sfcLCL - - - 4359 - - 5853 - - 5952 - - 4936 sfcLCL ODpotential - - - -3961 - - -1134 - - -3097 - - -6278 ODpotential blCL - - - 7456 - - 6868 - - 7818 - - 7511 blCL maxRH - - - 96 - - 94 - - 89 - - 89 maxRH CAPE - - - 0 - - 0 - - 0 - - 0 CAPE Temp@2m - - - 56.8 - - 63.7 - - 62.6 - - 57.5 Temp@2m DewPt@2m - - - 42.0 - - 42.2 - - 40.7 - - 40.2 DewPt@2m Temp@Bot - - - 55.6 - - 62.2 - - 62.4 - - 59.0 Temp@Bot DewPt@Bot - - - 41.1 - - 41.1 - - 40.0 - - 39.9 DewPt@bot Sfc.Heating - - - 274 - - 309 - - 81 - - -36 Sfc.Heating BL Depth - - - 2295 - - 4534 - - 3521 - - 33 BL Depth EXPERIMENT - - - 85 - - 77 - - 55 - - 56 EXPERIMENT EXPERIMENT2 - - - 6 - - 5 - - 5 - - 5 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] 97411 3 158 8 190 12 264 16 303 97411 90030 4 078 3 085 8 244 11 293 90030 84398 1 052 3 013 2 086 1 143 84398 79741 5 139 5 295 6 016 6 068 79741 75735 11 104 2 247 5 005 4 078 75735 72190 7 080 2 151 4 099 6 153 72190 68963 3 346 4 195 6 214 7 247 68963 65983 2 346 4 317 6 263 6 245 65983 63215 6 329 7 290 9 280 5 286 63215 60528 22 304 14 309 11 307 7 316 60528 57692 25 282 19 303 10 308 9 289 57692 54696 27 238 19 272 19 274 20 250 54696 51800 28 225 24 235 25 243 27 237 51800 49188 25 221 24 238 23 242 22 238 49188 46861 26 243 35 253 30 257 18 258 46861 44768 40 246 46 244 45 247 41 254 44768 42880 42 238 44 235 43 240 43 237 42880 41164 37 238 36 237 36 240 35 228 41164 39582 34 245 34 241 37 234 32 223 39582 38109 33 251 37 243 36 231 31 239 38109 36737 34 255 39 243 33 240 49 248 36737 35436 38 256 39 247 39 251 56 239 35436 34135 42 252 41 253 46 253 57 228 34135 32792 42 243 44 255 54 252 55 228 32792 31402 41 234 46 252 55 254 43 219 31402 29950 35 226 42 247 51 256 36 217 29950 28420 34 223 38 245 40 256 36 221 28420 26812 39 234 34 251 35 257 33 222 26812 25127 33 245 32 258 36 258 29 221 25127 23365 26 249 31 258 37 253 26 218 23365 21532 22 248 26 258 33 242 24 212 21532 19622 20 238 19 254 22 218 23 199 19622 17635 17 232 14 255 18 196 26 177 17635 15611 13 232 9 216 20 195 26 182 15611 13657 12 233 11 190 21 200 22 200 13657 11877 12 232 14 200 21 211 18 209 11877 10297 12 219 18 204 20 225 14 211 10297 8896 12 203 18 210 16 227 10 218 8896 7652 12 191 16 216 14 216 10 215 7652 6547 9 187 13*209 13 198 12 198 6547 5567 5 200 11*189 15*164 17 176 5567 4704 8 208 12 179 17*154 23 162 4704 3941 10*188 12 172 19 142 25 151 3941 3258 11*160 12 167 20 139 27 143 3258 2652 12 150 12 165 20 137 26 138 2652 2146 12 148 12 162 19 136 25 135 2146 1757 12 147 11 161 19 135 22 133 1757 1489 11 145 10 160 17 134 17 131 1489 1326 10 144 9 159 15 133 14*129 1326 1233 7 144 7 158 10 133 8*128 1233 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