DrJack's BLIPSPOT for: THU 04/18 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 = 15Z 0Z ----------------------------------- VALIDATION TIME --------------------------------------- 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z ------------------------------------------------------------------------------------------- Update Time 0736z - - 0738z - - 0954z - - 1002z - - 1555z Update Time FCST PERIOD 6 hr - - 9 hr - - 9 hr - - 12 hr - - 9 hr FCST PERIOD Temp@2m 46.3 - - 47.5 - - 46.3 - - 47.8 - - 47.6 Temp@2m Sfc.Heating 2 - - 6 - - 21 - - 55 - - -25 Sfc.Heating BL Depth 427 - - 784 - - 1589 - - 2557 - - 49 BL Depth Hcrit 987 - - 987 - - 987 - - 987 - - 987 Hcrit BL Top 1382 - - 1739 - - 2544 - - 3512 - - 1004 BL Top Hgt.Variab. 2456 - - 2725 - - 1523 - - 1199 - - 4782 Hgt.Variab. W* 51 - - 76 - - 142 - - 224 - - 28 W* B/S 1 - - 2 - - 2 - - 2 - - 0 B/S BL Wind 8 - - 8 - - 17 - - 18 - - 10 BL Wind Direction 005 - - 002 - - 355 - - 332 - - 325 Direction Wind Shear 3 - - 3 - - 7 - - 7 - - 0 Wind Shear Max.Converg 0 - - 2 - - -5 - - -3 - - -1 Max.Converg CLOUDpotent 10 - - 508 - - 837 - - 1101 - - -1651 CLOUDpotentl sfcLCL 1372 - - 1232 - - 1707 - - 2411 - - 2655 sfcLCL ODpotential -827 - - 85 - - 226 - - 434 - - -2306 ODpotential blCL 2209 - - 1654 - - 2318 - - 3078 - - 3310 blCL maxRH 100 - - 100 - - 100 - - 100 - - 96 maxRH CAPE 10 - - 60 - - 80 - - 60 - - 0 CAPE Temp@2m 46.3 - - 47.5 - - 46.3 - - 47.8 - - 47.6 Temp@2m DewPt@2m 44.0 - - 45.7 - - 42.5 - - 40.9 - - 39.7 DewPt@2m Temp@Bot 46.5 - - 47.4 - - 46.2 - - 47.4 - - 48.5 Temp@Bot DewPt@Bot 43.4 - - 45.2 - - 41.7 - - 39.6 - - 38.5 DewPt@bot Sfc.Heating 2 - - 6 - - 21 - - 55 - - -25 Sfc.Heating BL Depth 427 - - 784 - - 1589 - - 2557 - - 49 BL Depth EXPERIMENT 101 - - 101 - - 101 - - 100 - - 84 EXPERIMENT EXPERIMENT2 6 - - 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] 97551 12 288 11 255 10 246 15 249 18 250 97551 90249 5 278 4 295 7 261 9 269 5 301 90249 84642 3 204 1 284 6 225 12 264 11 329 84642 79980 3 130 1 297 5 258 3 260 8 313 79980 75950 5 061 4 213 3 252 1 265 5 307 75950 72366 3 326 6 198 8 216 6 246 10 270 72366 69103 8 227 5 253 11 240 15 266 8 270 69103 66095 12 241 11 263 15 224 17 241 14 271 66095 63296 19 250 12 240 18 282 22 264 21 280 63296 60579 21 255 19 272 32 270 31 261 27 272 60579 57745 35 251 32 264 38 263 39 261 40 267 57745 54815 43 266 49 263 43 264 48 262 49 260 54815 52017 53 263 49 257 54 263 57 265 54 260 52017 49484 54 263 49 262 63 258 66 264 62 262 49484 47198 58 269 55 265 65 258 71 261 68 266 47198 45114 67 269 60 269 68 263 74 259 77 266 45114 43212 78 269 73 270 76 265 77 256 85 262 43212 41479 89 267 82 263 85 262 81 256 88 256 41479 39896 92 263 85 259 89 256 83 253 87 250 39896 38432 88 262 84 258 88 252 83 251 84 247 38432 37063 84 262 83 259 87 251 83 250 82 250 37063 35744 82 258 80 258 87 250 84 248 86 255 35744 34411 81 255 77 256 87 248 83 247 86 253 34411 33031 80 253 75 256 84 248 80 246 80 251 33031 31602 77 250 71 254 80 249 76 247 78 254 31602 30107 73 248 68 251 77 250 74 248 76 256 30107 28536 65 248 66 249 73 248 72 249 75 256 28536 26889 55 243 59 246 70 246 69 248 72 253 26889 25165 52 238 54 243 67 243 67 246 67 250 25165 23362 54 242 50 243 64 243 65 244 64 250 23362 21480 57 247 49 240 65 242 63 245 64 252 21480 19515 59 247 53 240 60 243 61 244 63 251 19515 17472 59 241 57 244 55 248 60 243 61 249 17472 15393 59 231 59 247 53 248 52 240 63 248 15393 13392 58 220 59 240 50 241 45 246 53 251 13392 11583 50 212 52 224 42 237 39 248 44 268 11583 9987 34 209 32 201 27 232 31 258 41 281 9987 8577 24 227 10 177 9 324 27 294 33 288 8577 7328 15 239 10 359 16 351 19 294 25 282 7328 6225 4 338 15 360 12 334 12 289 23 303 6225 5260 16 021 15 001 10 322 14 315 26 324 5260 4414 20 019 13 007 11 354 20 329 26 325 4414 3664 20 018 12 006 16 001 20*332 26 325 3664 2991 20 018 12 004 18*358 19*332 25 326 2991 2396 19 020 12 002 18*356 19 332 24 326 2396 1899 16 019 11*002 18 356 18 332 22 325 1899 1517 12*012 9*002 17 355 17 333 20 325 1517 1254 9*006 9 001 16 354 16 332 17 325 1254 1095 8 005 8 002 14 354 15 332 15*325 1095 1004 6 003 6 002 11 354 12 332 10*325 1004 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