DrJack's BLIPSPOT for: SUN 09/20 Ames_IA 955ft pt37194@41.911,-93.594,951ft SPONSORED BY: Silent Knights Glider Club BLIPSPOT sfc.temp. adjusted by +0.0 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 - - - - - - 61.4 - - 61.9 - - 60.2 Temp@2m Sfc.Heating - - - - - - 13 - - -6 - - -8 Sfc.Heating BL Depth - - - - - - 960 - - 297 - - 50 BL Depth Hcrit - - - - - - 988 - - 988 - - 988 Hcrit BL Top - - - - - - 1915 - - 1252 - - 1005 BL Top Hgt.Variab. - - - - - - 1269 - - 2073 - - 2223 Hgt.Variab. W* - - - - - - 104 - - 44 - - 19 W* B/S - - - - - - 1 - - 1 - - 0 B/S BL Wind - - - - - - 16 - - 11 - - 9 BL Wind Direction - - - - - - 058 - - 061 - - 054 Direction Wind Shear - - - - - - 9 - - 4 - - 0 Wind Shear Max.Converg - - - - - - 4 - - 2 - - 1 Max.Converg CLOUDpotent - - - - - - 655 - - -120 - - -225 CLOUDpotentl sfcLCL - - - - - - 1260 - - 1372 - - 1230 sfcLCL ODpotential - - - - - - 207 - - -608 - - -725 ODpotential blCL - - - - - - 1708 - - 1860 - - 1730 blCL maxRH - - - - - - 101 - - 100 - - 100 maxRH CAPE - - - - - - 310 - - 270 - - 140 CAPE Temp@2m - - - - - - 61.4 - - 61.9 - - 60.2 Temp@2m DewPt@2m - - - - - - 59.1 - - 59.2 - - 58.2 DewPt@2m Temp@Bot - - - - - - 61.3 - - 62.2 - - 60.6 Temp@Bot DewPt@Bot - - - - - - 58.7 - - 58.8 - - 57.9 DewPt@bot Sfc.Heating - - - - - - 13 - - -6 - - -8 Sfc.Heating BL Depth - - - - - - 960 - - 297 - - 50 BL Depth EXPERIMENT - - - - - - 102 - - 102 - - 102 EXPERIMENT EXPERIMENT2 - - - - - - 11 - - 11 - - 11 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] 98233 3 051 3 171 1 260 98233 90882 8 274 8 299 8 338 90882 85203 10 265 11 316 6 320 85203 80483 10 302 12 312 10 313 80483 76430 9 343 9 313 8 310 76430 72859 16 334 13 325 10 317 72859 69628 13 318 13 316 12 318 69628 66660 11 316 13 311 16 318 66660 63916 13 312 15 306 20 310 63916 61264 9 313 12 271 17 297 61264 58489 15 321 8 286 16 290 58489 55616 25 300 19 304 17 292 55616 52890 22 281 24 279 22 267 52890 50441 23 273 25 273 24 274 50441 48242 32 264 34 270 35 265 48242 46241 38 252 38 259 40 247 46241 44403 37 238 38 240 41 236 44403 42698 33 232 42 233 47 233 42698 41107 34 242 41 231 47 228 41107 39616 43 249 42 234 49 226 39616 38212 52 250 52 231 52 224 38212 36856 59 241 59 226 55 221 36856 35482 60 235 57 226 58 220 35482 34056 61 242 56 228 55 222 34056 32583 44 255 50 235 48 224 32583 31045 31 247 31 237 39 225 31045 29429 29 233 31 233 33 215 29429 27732 27 227 27 243 34 225 27732 25953 26 230 23 247 28 233 25953 24097 21 246 26 249 22 236 24097 22168 18 261 16 247 21 245 22168 20167 15 266 12 263 16 234 20167 18087 12 274 13 263 15 235 18087 15961 9 262 11 264 14 245 15961 13910 7 253 8 261 6 247 13910 12042 4 239 7 254 7 291 12042 10387 4 088 5 193 6 003 10387 8918 8 056 3 098 10 078 8918 7611 9 081 7 063 12 085 7611 6451 8 099 9 085 12 093 6451 5430 12 104 12 092 16 103 5430 4536 21 091 21 089 25 097 4536 3753 28 077 28 084 30 086 3753 3055 27 068 25 076 28 074 3055 2440 26 065 22 068 26 069 2440 1927 22*060 21 066 22 064 1927 1534 20*059 19 065 18 060 1534 1263 17 058 16*063 15 057 1263 1099 15 057 14*062 13*055 1099 1005 11 057 10 061 9*054 1005 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