DrJack's BLIPSPOT for: WED 02/18 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 = 12Z 0Z ----------------------------------- VALIDATION TIME --------------------------------------- 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z ------------------------------------------------------------------------------------------- Update Time - - - - - - 0953z - - 1001z - - 1334z Update Time FCST PERIOD - - - - - - 9 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 56.2 - - 58.6 - - 51.8 Temp@2m Sfc.Heating - - - - - - 284 - - 168 - - -53 Sfc.Heating BL Depth - - - - - - 5822 - - 5567 - - 49 BL Depth Hcrit - - - - - - 5001 - - 4520 - - 987 Hcrit BL Top - - - - - - 6777 - - 6522 - - 1004 BL Top Hgt.Variab. - - - - - - 1520 - - 1950 - - 2974 Hgt.Variab. W* - - - - - - 482 - - 400 - - 12 W* B/S - - - - - - 2 - - 2 - - 0 B/S BL Wind - - - - - - 35 - - 38 - - 10 BL Wind Direction - - - - - - 258 - - 258 - - 279 Direction Wind Shear - - - - - - 23 - - 19 - - 0 Wind Shear Max.Converg - - - - - - -15 - - -12 - - -1 Max.Converg CLOUDpotent - - - - - - -785 - - -4062 - - -7897 CLOUDpotentl sfcLCL - - - - - - 7563 - - 10585 - - 8901 sfcLCL ODpotential - - - - - - -3887 - - -7280 - - -11927 ODpotential blCL - - - - - - 10664 - - 13802 - - 12931 blCL maxRH - - - - - - 45 - - 37 - - 23 maxRH CAPE - - - - - - 0 - - 0 - - 0 CAPE Temp@2m - - - - - - 56.2 - - 58.6 - - 51.8 Temp@2m DewPt@2m - - - - - - 26.0 - - 14.8 - - 16.2 DewPt@2m Temp@Bot - - - - - - 55.0 - - 58.0 - - 53.9 Temp@Bot DewPt@Bot - - - - - - 25.3 - - 14.1 - - 15.9 DewPt@bot Sfc.Heating - - - - - - 284 - - 168 - - -53 Sfc.Heating BL Depth - - - - - - 5822 - - 5567 - - 49 BL Depth EXPERIMENT - - - - - - 0 - - 0 - - 0 EXPERIMENT EXPERIMENT2 - - - - - - 3 - - 2 - - 2 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] 97028 29 092 26 084 18 083 97028 89826 23 087 13 081 19 052 89826 84204 19 098 11 103 11 060 84204 79514 9 089 12 088 8 097 79514 75462 5 115 4 054 9 080 75462 71866 9 137 4 203 6 358 71866 68594 2 081 8 166 8 231 68594 65582 5 268 6 273 6 249 65582 62797 20 235 21 270 14 275 62797 60083 23 208 22 236 21 257 60083 57207 21 273 16 249 16 245 57207 54210 48 266 21 274 22 285 54210 51328 65 241 59 239 40 269 51328 48724 66 222 52 231 52 244 48724 46418 51 238 51 251 52 251 46418 44332 51 259 60 256 64 255 44332 42418 64 259 71 249 66 251 42418 40650 69 251 71 246 57 255 40650 39008 65 249 64 251 57 263 39008 37477 59 251 62 258 65 263 37477 36049 67 265 69 266 69 257 36049 34687 90 270 78 271 70 250 34687 33325 101 267 81 258 74 256 33325 31934 98 260 82 249 80 262 31934 30515 91 252 80 257 81 262 30515 29052 86 255 78 269 72 263 29052 27535 83 263 89 273 69 266 27535 25963 91 267 99 269 72 267 25963 24330 105 263 101 266 69 264 24330 22631 114 260 95 264 63 266 22631 20863 107 261 88 264 61 270 20863 19018 95 262 81 271 60 271 19018 17088 87 263 75 268 60 269 17088 15118 85 269 68 266 58 269 15118 13217 78 273 67 281 54 270 13217 11487 74 275 65 283 50 270 11487 9945 69 277 60 281 49 269 9945 8572 59 279 52 277 48 268 8572 7349 50*277 47*273 45 266 7349 6261 42*269 42*264 41 264 6261 5294 40 265 40 259 38 265 5294 4441 37 260 39 258 36 269 4441 3686 35 256 39 258 35 274 3686 3009 34 253 38 257 33 277 3009 2409 33 252 37 257 32 279 2409 1908 32 252 36 257 29 281 1908 1522 31 251 35 257 25 281 1522 1257 30 251 33 257 20 280 1257 1096 27 251 30 256 16*279 1096 1004 22 250 24 256 10*279 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