UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041812.upa.cvt Date: 1200Z 18 APR 25 Searching for SBFL... Searching the city database file for: SBFL ... Date:1200Z 18 APR 25 Station: SBFL WMO ident: 83899 Latitude: -27.67 Longitude: -48.55 Elevation: 5.00 ------------------------------------------------------------------------------- LEV PRES HGHT TEMP DEWP RH DD WETB DIR SPD THETA THE-V THE-W THE-E W mb m C C % C C deg knt K K K K g/kg ------------------------------------------------------------------------------- SFC 1016 5 24.0 21.1 84 2.9 22.0 360 10 295.8 298.6 294.6 340.9 15.69 1 1000 144 22.0 20.3 90 1.7 20.8 360 10 295.1 297.9 294.0 338.6 15.16 2 994 196 21.4 20.3 93 1.1 20.6 345 11 295.1 297.8 294.0 338.8 15.26 3 989 240 22.2 18.1 78 4.1 19.4 333 11 296.3 298.7 293.0 334.7 13.33 4 925 820 18.6 16.3 86 2.3 17.1 330 15 298.3 300.6 293.1 335.3 12.70 5 859 1453 15.0 12.4 84 2.6 13.3 331 17 301.0 302.9 292.3 332.1 10.59 6 854 1503 16.4 8.4 59 8.0 11.6 331 16 302.9 304.4 290.9 327.2 8.12 7 850 1543 16.6 7.6 55 9.0 11.2 330 16 303.5 305.0 290.7 326.7 7.72 8 838 1664 16.6 5.6 48 11.0 10.2 326 15 304.8 306.0 290.4 325.4 6.82 9 725 2879 7.2 2.4 72 4.8 4.6 251 13 307.4 308.5 290.7 326.6 6.29 10 700 3167 5.6 -2.4 56 8.0 1.6 240 11 308.7 309.5 289.6 322.9 4.58 11 656 3694 3.0 -15.0 25 18.0 -3.7 263 12 311.5 311.9 287.9 317.5 1.82 12 649 3781 4.0 -18.0 18 22.0 -3.8 268 12 313.6 313.9 288.2 318.4 1.43 13 500 5840 -11.3 -36.3 11 25.0 -16.1 255 22 319.3 319.3 288.9 320.5 0.34 14 403 7455 -23.5 -47.5 9 24.0 -26.1 250 27 323.8 323.8 290.0 324.3 0.13 15 400 7510 -23.9 -49.9 7 26.0 -26.5 250 27 323.9 323.9 290.0 324.3 0.10 16 381 7864 -26.1 -57.1 4 31.0 -28.5 246 26 325.6 325.6 290.5 325.7 0.04 17 300 9550 -39.3 -60.3 9 21.0 -40.2 265 38 330.0 330.0 291.7 330.1 0.04 18 250 10770 -48.5 -66.5 11 18.0 -48.9 260 58 334.0 334.0 292.8 334.0 0.02 19 244 10929 -49.5 -66.5 12 17.0 -49.9 259 59 334.8 334.8 293.0 334.9 0.02 20 201 12178 -56.5 -72.5 12 16.0 -56.7 255 71 342.8 342.8 295.0 342.8 0.01 21 200 12210 -56.5 -72.5 12 16.0 -56.7 255 71 343.3 343.3 295.1 343.3 0.01 22 151 13979 -61.5 -83.5 4 22.0 -61.7 265 76 363.4 363.4 299.4 363.4 0.00 23 150 14020 -61.9 -83.9 4 22.0 -62.0 265 76 363.4 363.4 299.4 363.5 0.00 24 131 14850 -65.7 -85.5 5 19.8 -65.8 260 85 371.1 371.1 300.8 371.1 0.00 25 104 16229 -72.1 -88.1 7 16.0 -72.2 270 63 384.1 384.1 302.9 384.1 0.00 26 101 16401 -71.9 -88.9 6 17.0 -71.9 270 62 387.7 387.7 303.5 387.7 0.00 27 100 16460 -71.5 -88.5 6 17.0 -71.6 260 66 389.6 389.6 303.8 389.6 0.00 28 81 17709 -68.7 -89.7 3 21.0 -68.8 257 50 419.5 419.5 307.7 419.5 0.00 29 75 18167 -70.3 -90.3 4 20.0 -70.4 270 39 425.5 425.5 308.3 425.5 0.00 30 70 18580 -66.3 -90.3 2 24.0 -66.5 270 25 442.5 442.5 310.1 442.6 0.00 31 62 19321 -62.3 -90.3 1 28.0 -62.7 224 21 467.0 467.0 312.4 467.0 0.00 32 53 20290 -61.5 -90.5 1 29.0 -62.0 259 25 490.3 490.3 314.2 490.3 0.00 33 50 20650 -61.7 -90.7 1 29.0 -62.1 265 21 498.1 498.1 314.8 498.1 0.00 34 43 21584 -61.3 -90.3 1 29.0 -61.9 284 12 521.0 521.0 316.4 521.0 0.00 35 31 23649 -53.5 -88.5 1 35.0 -55.3 99 11 593.2 593.2 320.3 593.2 0.00 36 30 23860 -53.5 -87.5 1 34.0 -55.4 110 12 598.8 598.8 320.6 598.8 0.01 37 26 24781 -54.1 -88.1 1 34.0 -56.1 52 14 622.1 622.1 321.6 622.1 0.01 38 22 25865 -49.9 -86.9 1 37.0 -53.2 85 11 665.1 665.1 323.3 665.1 0.01 39 20 26490 -49.5 -87.5 0 38.0 -53.1 95 9 684.7 684.7 323.9 684.7 0.01 40 16 27960 -46.9 -85.9 0 39.0 -52.1 60 9 738.3 738.3 325.6 738.4 0.02 TRP 104 16229 -72.1 -88.1 7 16.0 -72.2 270 63 384.1 384.1 302.9 384.1 0.00 WND 131 14850 -65.7 -85.5 5 19.8 -65.8 260 85 371.1 371.1 300.8 371.1 0.00 Sounding variables and indices 1000-500 mb thick: 5696.00 m Freezing level: 610.05 mb = 4319.60 m = 14171.75 ft Wetbulb zero: 686.78 mb = 3321.90 m = 10898.48 ft Precipitable water: 1.33 inches Sfc-500 mean rel hum: 46.78 % Est. max temperature: 28.88 C = 83.99 F Sfc-Lift cond lev (LCL): 974.21 mb = 370.87 m = 1216.76 ft T: 21.39 C 700-500 lapse rate: 6.32 C/km ThetaE index: 9.88 C Layer 859.0- 725.0 mb Conv cond level (CCL): 888.91 mb = 1160.44 m = 3807.18 ft Mean mixing ratio: 13.53 g/kg Conv temperature: 27.95 C = 82.32 F Cap Strength: 3.05 C Lifted Index: -2.82 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.82 C Lifted Index @700 mb: -0.81 C Showalter Index: 1.57 C Risk: Showers probable Total Totals Index: 46.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.90 C Cross Totals Index: 18.90 C K Index: 27.50 Risk: 40-60 % chance of thunderstorms Sweat Index: 145.20 Risk: None Energy Index: -1.10 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 739.43 J/kg Max Up Vert Vel: 38.46 m/s Conv Inhibition (B-): 95.22 J/kg Cap Strength: 3.01 C Lift Cond Lev (LCL): 926.08 mb = 809.92 m = 2657.18 ft Lev Free Conv (LFC): 741.08 mb = 2694.68 m = 8840.70 ft Equ Level (EL): 641.08 mb = 3878.35 m = 12724.11 ft B at Equ Level: 33.39 J/kg Max Parcel Lev (MPL): 161.08 mb = 13572.14 m = 44527.49 ft Wind level data Storm motion: 317 at 11 knt ---------------------------------------------------------- TRUE/GROUND REL | STORM REL LEV P H DIR SPD U V | DIR SPD U V mb m knt m/s | knt m/s ---------------------------------------------------------- 0 1016 5 360 10 -0.0 -10.0 | 77 8 -7.8 -1.8 1 1000 144 360 10 -0.0 -10.0 | 77 8 -7.8 -1.8 2 982 305 315 12 8.5 -8.5 | 291 1 0.7 -0.3 3 948 610 320 16 10.3 -12.3 | 328 5 2.5 -4.0 4 925 820 330 15 7.5 -13.0 | 4 5 -0.3 -4.8 5 915 914 330 16 8.0 -13.9 | 358 6 0.2 -5.6 6 883 1219 335 20 8.5 -18.1 | 356 10 0.6 -9.9 7 850 1543 330 16 8.0 -13.9 | 358 6 0.2 -5.6 8 821 1829 320 14 9.0 -10.7 | 334 3 1.2 -2.5 9 792 2134 230 11 8.4 7.1 | 182 15 0.6 15.3 10 764 2438 255 13 12.6 3.4 | 202 13 4.8 11.6 11 736 2743 260 13 12.8 2.3 | 205 12 5.0 10.5 12 710 3048 240 12 10.4 6.0 | 190 14 2.6 14.2 13 700 3167 240 11 9.5 5.5 | 187 14 1.7 13.7 14 684 3353 245 11 10.0 4.6 | 190 13 2.2 12.9 15 609 4267 295 14 12.7 -5.9 | 245 5 4.9 2.3 16 523 5486 275 21 20.9 -1.8 | 244 15 13.1 6.4 17 500 5840 255 22 21.3 5.7 | 224 19 13.4 13.9 18 483 6096 255 23 22.2 6.0 | 225 20 14.4 14.2 19 400 7510 250 27 25.4 9.2 | 225 25 17.6 17.5 20 377 7925 245 26 23.6 11.0 | 219 25 15.8 19.2 21 361 8230 245 25 22.7 10.6 | 218 24 14.9 18.8 22 346 8534 260 30 29.5 5.2 | 238 26 21.7 13.4 23 300 9550 265 38 37.9 3.3 | 249 32 30.0 11.5 24 254 10668 270 56 56.0 -0.0 | 260 49 48.2 8.2 25 250 10770 260 58 57.1 10.1 | 250 53 49.3 18.3 26 200 12210 255 71 68.6 18.4 | 246 66 60.8 26.6 27 191 12497 255 73 70.5 18.9 | 247 68 62.7 27.1 28 165 13411 260 82 80.8 14.2 | 253 76 72.9 22.5 29 150 14020 265 76 75.7 6.6 | 258 70 67.9 14.8 30 131 14850 260 85 83.7 14.8 | 253 79 75.9 23.0 31 129 14935 260 85 83.7 14.8 | 253 79 75.9 23.0 32 104 16229 270 63 63.0 -0.0 | 262 56 55.2 8.2 33 100 16459 270 62 62.0 -0.0 | 261 55 54.2 8.2 34 100 16460 260 66 65.0 11.5 | 251 60 57.2 19.7 35 95 16764 260 66 65.0 11.5 | 251 60 57.2 19.7 36 81 17678 255 51 49.3 13.2 | 243 47 41.5 21.4 37 77 17983 270 45 45.0 -0.0 | 258 38 37.2 8.2 38 70 18580 270 25 25.0 -0.0 | 244 19 17.2 8.2 39 70 18593 255 31 29.9 8.0 | 234 27 22.1 16.2 40 66 18898 265 24 23.9 2.1 | 237 19 16.1 10.3 41 63 19202 230 26 19.9 16.7 | 206 28 12.1 24.9 42 60 19507 215 14 8.0 11.5 | 181 20 0.2 19.7 43 57 19812 310 10 7.7 -6.4 | 175 2 -0.1 1.8 44 55 20117 265 25 24.9 2.2 | 239 20 17.1 10.4 45 52 20422 255 25 24.1 6.5 | 228 22 16.3 14.7 46 50 20650 265 21 20.9 1.8 | 233 17 13.1 10.1 47 49 20726 295 16 14.5 -6.8 | 258 7 6.7 1.5 48 47 21031 265 20 19.9 1.7 | 231 16 12.1 10.0 49 43 21641 285 11 10.6 -2.8 | 208 6 2.8 5.4 50 41 21946 220 1 0.6 0.8 | 141 11 -7.2 9.0 51 30 23774 90 12 -12.0 0.0 | 113 21 -19.8 8.2 52 30 23860 110 12 -11.3 4.1 | 123 23 -19.1 12.3 53 29 24079 115 10 -9.1 4.2 | 126 21 -16.9 12.5 54 26 24689 55 15 -12.3 -8.6 | 89 20 -20.1 -0.4 55 25 24994 45 11 -7.8 -7.8 | 92 16 -15.6 0.4 56 24 25298 75 13 -12.6 -3.4 | 103 21 -20.4 4.9 57 20 26490 95 9 -9.0 0.8 | 118 19 -16.8 9.0 58 17 27127 50 11 -8.4 -7.1 | 94 16 -16.2 1.2 59 14 27737 90 4 -4.0 0.0 | 125 14 -11.8 8.2 60 12 28346 50 17 -13.0 -10.9 | 83 21 -20.8 -2.7 Wind Parameters Mean winds (0-6000m): 286.5 at 15.1 knts Storm direction: 316.5 at 11.3 knts Shear (0-3000m) pos: 0.8 neg: 4.0 tot: 4.8 10-3/s Storm rel Dir Shear (0-3000m): 115.1 deg Storm rel helicity (0-3000m) pos: 19.6 neg: -38.3 tot: -18.7 m^2/s^2 ave: -6.2 10^-3 m/s^2 rel: -0.33 Storm rel vorticity (0-3000m) horiz: 10.2 stream: -3.3 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 46.73 Bulk Shear: 15.82 m/s Storm Parameters ------------------------------------------------------------------------------- Depth Mean Inflow| Shear | Helicity | Vorticity AGL Dir Spd Dir Spd| Pos Neg Tot| Pos Neg Tot Ave Rel | Hor Strm m knt knt| 10^-3/s | m^2/s^2 m/s^2 | 10^-3/s ------------------------------------------------------------------------------- 500 333 12 49 3| 0.0 10.1 10.1| 0.4 -2.8 -2.4 -4.8 -0.51| 14.5 -7.4 1000 329 14 11 3| 2.3 5.0 7.3| 3.9 -3.4 0.5 0.5 -0.23| 10.5 -2.4 1500 331 15 3 5| 1.5 3.3 4.8| 4.2 -3.6 0.6 0.4 -0.17| 9.2 -1.6 2000 327 15 356 4| 1.1 5.2 6.3| 4.2 -15.3 -11.0 -5.5 -0.38| 11.2 -4.3 2500 317 14 320 3| 0.9 4.6 5.5| 18.2 -28.5 -10.3 -4.1 -0.31| 11.3 -3.5 3000 307 14 276 3| 0.8 4.0 4.8| 19.6 -38.3 -18.7 -6.2 -0.33| 10.2 -3.3 4000 295 14 241 5| 1.6 3.0 4.6| 37.0 -42.6 -5.5 -1.4 -0.21| 8.9 -1.9 5000 293 14 241 6| 1.6 2.7 4.3| 42.2 -42.9 -0.7 -0.1 -0.15| 8.0 -1.2 6000 287 15 240 8| 1.3 3.2 4.5| 43.2 -71.2 -28.0 -4.7 -0.20| 7.7 -1.5 Wrote GIF file: /home/apache/climate/data/raob//SBFL/skewt/SBFL.skewt.20250418.12.gif