UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042012.upa.cvt Date: 1200Z 20 APR 25 Searching for SBFN... Searching the city database file for: SBFN ... Date:1200Z 20 APR 25 Station: SBFN WMO ident: 82400 Latitude: -3.85 Longitude: -32.42 Elevation: 56.00 ------------------------------------------------------------------------------- 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 1006 56 29.4 25.2 78 4.2 26.3 80 6 302.0 305.8 299.2 362.6 20.46 1 1000 110 27.6 22.9 76 4.7 24.2 80 6 300.8 304.0 297.3 353.2 17.85 2 988 217 26.4 23.9 86 2.5 24.6 91 8 300.6 304.1 298.1 357.2 19.23 3 969 389 24.8 23.6 93 1.2 23.9 99 10 300.6 304.2 298.2 357.3 19.26 4 925 797 21.8 20.4 92 1.4 20.8 90 11 301.6 304.6 296.7 350.3 16.53 5 862 1408 18.6 16.7 89 1.9 17.3 70 11 304.4 307.0 295.8 346.2 14.01 6 850 1529 18.2 15.3 83 2.9 16.3 75 11 305.2 307.6 295.3 344.0 12.97 7 779 2273 15.2 8.2 63 7.0 10.9 82 9 309.7 311.4 293.4 336.6 8.79 8 746 2639 13.0 9.2 78 3.8 10.6 89 9 311.2 313.0 294.7 341.4 9.84 9 735 2764 12.8 3.8 54 9.0 7.6 92 10 312.3 313.6 292.7 333.6 6.85 10 700 3173 10.2 0.2 50 10.0 4.8 100 12 313.8 314.8 292.0 331.3 5.55 11 698 3197 10.2 -0.8 46 11.0 4.4 101 12 314.0 315.0 291.8 330.4 5.17 12 682 3389 8.2 3.2 71 5.0 5.4 104 11 313.9 315.2 293.3 336.0 7.08 13 657 3697 7.0 -2.0 53 9.0 2.3 97 11 315.9 316.9 292.2 331.9 5.03 14 652 3760 6.4 3.2 80 3.2 4.5 95 11 315.9 317.4 294.1 339.3 7.41 15 628 4067 6.0 -5.0 45 11.0 0.5 96 11 318.9 319.7 292.4 332.5 4.20 16 604 4385 3.8 -3.2 60 7.0 0.2 115 11 319.9 320.9 293.3 336.1 5.01 17 579 4728 2.4 -12.6 32 15.0 -3.9 118 11 322.2 322.7 291.9 330.6 2.51 18 574 4798 2.0 -9.0 44 11.0 -3.0 115 11 322.5 323.2 292.7 333.7 3.37 19 533 5393 -1.3 -20.3 22 19.0 -7.9 102 11 325.5 325.7 291.8 330.4 1.43 20 507 5790 -3.7 -19.7 28 16.0 -9.2 115 10 327.2 327.5 292.4 332.7 1.58 21 500 5900 -4.5 -14.5 46 10.0 -8.5 85 7 327.6 328.0 293.3 336.1 2.49 22 495 5979 -5.3 -8.5 78 3.2 -6.8 81 9 327.5 328.3 294.6 341.2 4.07 23 483 6172 -5.9 -8.4 82 2.5 -7.1 82 12 329.1 329.9 295.1 343.3 4.20 24 471 6369 -6.7 -12.7 62 6.0 -9.2 101 15 330.5 331.1 294.6 341.0 3.06 25 468 6419 -6.7 -28.7 16 22.0 -12.7 105 16 331.1 331.2 292.7 333.9 0.76 26 464 6486 -6.9 -40.9 5 34.0 -13.8 104 16 331.6 331.7 292.4 332.5 0.23 27 449 6742 -8.7 -28.7 18 20.0 -14.1 100 16 332.5 332.7 293.2 335.4 0.80 28 445 6811 -8.9 -46.9 3 38.0 -15.4 98 16 333.1 333.1 292.7 333.6 0.13 29 400 7630 -14.1 -48.1 4 34.0 -19.3 100 16 336.7 336.7 293.6 337.2 0.12 30 393 7764 -14.9 -49.9 3 35.0 -20.0 101 17 337.3 337.3 293.7 337.7 0.10 31 373 8156 -17.3 -32.3 26 15.0 -20.7 104 19 339.2 339.4 294.7 341.8 0.68 32 343 8779 -21.1 -51.1 5 30.0 -24.8 102 11 342.3 342.3 295.0 342.7 0.10 33 300 9750 -29.9 -37.9 46 8.0 -31.1 145 8 343.2 343.3 295.6 345.1 0.49 34 296 9845 -30.7 -37.7 50 7.0 -31.7 143 9 343.4 343.5 295.6 345.4 0.50 35 274 10388 -34.3 -47.3 26 13.0 -35.5 170 17 345.9 345.9 295.9 346.7 0.20 36 259 10778 -38.3 -46.3 43 8.0 -39.0 181 13 345.6 345.7 295.8 346.6 0.23 37 250 11020 -39.7 -53.7 21 14.0 -40.6 195 9 347.0 347.1 296.1 347.5 0.10 38 245 11157 -41.1 -57.1 16 16.0 -41.9 205 9 347.0 347.0 296.0 347.3 0.07 39 228 11641 -45.3 -52.3 45 7.0 -45.7 235 10 347.8 347.8 296.3 348.3 0.13 40 226 11700 -45.9 -62.9 13 17.0 -46.5 234 10 347.7 347.7 296.1 347.9 0.04 41 200 12500 -52.5 -63.5 25 11.0 -52.8 235 11 349.6 349.6 296.6 349.8 0.04 42 198 12565 -52.9 -63.9 25 11.0 -53.2 235 11 350.0 350.0 296.7 350.2 0.04 43 192 12763 -54.7 -58.9 60 4.2 -54.8 235 10 350.2 350.2 296.7 350.5 0.07 44 179 13209 -58.3 -68.3 27 10.0 -58.5 251 9 351.4 351.4 297.0 351.5 0.02 45 161 13868 -63.7 -69.7 44 6.0 -63.8 323 12 353.1 353.1 297.3 353.2 0.02 46 156 14061 -64.7 -75.7 21 11.0 -64.8 337 15 354.6 354.6 297.6 354.7 0.01 47 150 14300 -66.5 -76.5 23 10.0 -66.5 355 20 355.5 355.5 297.8 355.6 0.01 48 144 14546 -68.5 -73.5 48 5.0 -68.5 347 20 356.2 356.2 298.0 356.3 0.01 49 110 16120 -78.1 -86.1 26 8.0 -78.1 345 14 366.7 366.7 299.9 366.7 0.00 50 104 16439 -80.5 -87.5 30 7.0 -80.5 354 10 368.0 368.0 300.2 368.0 0.00 51 101 16604 -80.1 -87.1 30 7.0 -80.1 95 8 371.9 371.9 300.9 371.9 0.00 52 100 16660 -80.3 -87.3 30 7.0 -80.3 135 7 372.6 372.6 301.0 372.6 0.00 53 84 17628 -85.5 -90.4 41 4.9 -85.5 215 10 381.1 381.1 302.4 381.1 0.00 54 81 17828 -84.1 -91.1 28 7.0 -84.1 216 12 387.9 387.9 303.5 387.9 0.00 55 79 17969 -76.3 -88.3 13 12.0 -76.3 222 12 406.8 406.8 306.1 406.8 0.00 56 75 18269 -74.7 -90.7 7 16.0 -74.7 234 13 416.3 416.3 307.3 416.3 0.00 57 70 18670 -73.7 -90.7 6 17.0 -73.7 255 21 426.7 426.7 308.5 426.7 0.00 58 64 19193 -75.5 -90.5 8 15.0 -75.6 220 25 433.8 433.8 309.3 433.8 0.00 59 57 19875 -69.9 -90.9 3 21.0 -70.1 231 7 461.2 461.2 311.9 461.2 0.00 60 50 20660 -68.7 -90.7 3 22.0 -68.9 285 31 481.6 481.6 313.6 481.6 0.00 61 46 21159 -68.7 -90.7 3 22.0 -68.9 283 32 493.2 493.2 314.5 493.2 0.00 62 40 22016 -58.9 -88.9 1 30.0 -59.7 296 30 537.9 537.9 317.4 538.0 0.00 63 37 22501 -62.5 -88.5 2 26.0 -63.1 255 28 540.8 540.8 317.6 540.8 0.00 TRP 84 17628 -85.5 -90.4 41 4.9 -85.5 215 10 381.1 381.1 302.4 381.1 0.00 WND Sounding variables and indices 1000-500 mb thick: 5790.00 m Freezing level: 549.15 mb = 5158.67 m = 16924.57 ft Wetbulb zero: 602.81 mb = 4401.29 m = 14439.75 ft Precipitable water: 1.97 inches Sfc-500 mean rel hum: 61.72 % Est. max temperature: 32.18 C = 89.92 F Sfc-Lift cond lev (LCL): 947.21 mb = 588.71 m = 1931.46 ft T: 23.33 C 700-500 lapse rate: 5.39 C/km ThetaE index: 20.68 C Layer 925.0- 746.0 mb Conv cond level (CCL): 922.79 mb = 817.78 m = 2682.96 ft Mean mixing ratio: 17.94 g/kg Conv temperature: 29.06 C = 84.31 F Cap Strength: 0.31 C Lifted Index: -2.94 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.67 C Lifted Index @700 mb: -1.48 C Showalter Index: 0.70 C Risk: Thunderstorms probable Total Totals Index: 42.50 C Risk: None Vertical Totals Index: 22.70 C Cross Totals Index: 19.80 C K Index: 28.00 Risk: 40-60 % chance of thunderstorms Sweat Index: 212.60 Risk: None Energy Index: -1.54 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1102.76 J/kg Max Up Vert Vel: 46.96 m/s Conv Inhibition (B-): 1.12 J/kg Cap Strength: 0.87 C Lift Cond Lev (LCL): 930.22 mb = 747.59 m = 2452.71 ft Lev Free Conv (LFC): 905.22 mb = 984.31 m = 3229.32 ft Equ Level (EL): 155.22 mb = 14091.73 m = 46232.13 ft B at Equ Level: 1097.45 J/kg Max Parcel Lev (MPL): 85.22 mb = 17548.02 m = 57571.53 ft Wind level data Storm motion: 126 at 8 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 1006 56 80 6 -5.9 -1.0 | 355 6 0.5 -5.6 1 1000 110 80 6 -5.9 -1.0 | 355 6 0.5 -5.6 2 978 305 100 9 -8.9 1.6 | 40 4 -2.5 -3.0 3 945 610 95 11 -11.0 1.0 | 52 6 -4.6 -3.6 4 925 797 90 11 -11.0 0.0 | 45 7 -4.6 -4.6 5 913 914 80 12 -11.8 -2.1 | 39 9 -5.4 -6.7 6 881 1219 70 12 -11.3 -4.1 | 29 10 -4.9 -8.7 7 850 1524 70 11 -10.3 -3.8 | 25 9 -4.0 -8.3 8 850 1529 75 11 -10.6 -2.8 | 30 9 -4.2 -7.4 9 820 1829 100 10 -9.8 1.7 | 51 4 -3.5 -2.8 10 791 2134 80 10 -9.8 -1.7 | 29 7 -3.5 -6.3 11 763 2438 85 8 -8.0 -0.7 | 17 6 -1.6 -5.3 12 700 3173 100 12 -11.8 2.1 | 65 6 -5.4 -2.5 13 685 3353 105 11 -10.6 2.8 | 68 5 -4.2 -1.7 14 635 3962 90 11 -11.0 0.0 | 45 7 -4.6 -4.6 15 612 4267 110 11 -10.3 3.8 | 78 4 -4.0 -0.8 16 589 4572 125 11 -9.0 6.3 | 123 3 -2.6 1.7 17 567 4877 110 11 -10.3 3.8 | 78 4 -4.0 -0.8 18 526 5486 100 11 -10.8 1.9 | 59 5 -4.5 -2.7 19 507 5791 115 10 -9.1 4.2 | 83 3 -2.7 -0.4 20 500 5900 85 7 -7.0 -0.6 | 7 5 -0.6 -5.2 21 488 6096 75 11 -10.6 -2.8 | 30 9 -4.2 -7.4 22 469 6401 105 16 -15.5 4.1 | 87 9 -9.1 -0.4 23 433 7010 95 16 -15.9 1.4 | 72 10 -9.6 -3.2 24 417 7315 110 15 -14.1 5.1 | 94 8 -7.7 0.6 25 401 7620 95 15 -14.9 1.3 | 69 9 -8.6 -3.3 26 400 7630 100 16 -15.8 2.8 | 79 10 -9.4 -1.8 27 369 8230 105 20 -19.3 5.2 | 93 13 -12.9 0.6 28 354 8534 80 15 -14.8 -2.6 | 49 11 -8.4 -7.2 29 339 8839 110 10 -9.4 3.4 | 69 3 -3.0 -1.2 30 326 9144 115 5 -4.5 2.1 | 323 3 1.8 -2.5 31 300 9750 145 8 -4.6 6.6 | 222 3 1.8 2.0 32 287 10058 140 11 -7.1 8.4 | 170 4 -0.7 3.8 33 275 10363 170 17 -3.0 16.7 | 196 13 3.4 12.2 34 263 10668 175 15 -1.3 14.9 | 206 12 5.1 10.4 35 250 11020 195 9 2.3 8.7 | 245 10 8.7 4.1 36 230 11582 235 10 8.2 5.7 | 265 15 14.6 1.2 37 210 12192 230 11 8.4 7.1 | 260 15 14.8 2.5 38 200 12497 250 10 9.4 3.4 | 274 16 15.8 -1.2 39 200 12500 235 11 9.0 6.3 | 264 15 15.4 1.7 40 191 12802 235 10 8.2 5.7 | 265 15 14.6 1.2 41 182 13106 235 12 9.8 6.9 | 262 16 16.2 2.3 42 173 13411 290 3 2.8 -1.0 | 301 11 9.2 -5.6 43 150 14300 355 20 1.7 -19.9 | 342 26 8.1 -24.5 44 149 14326 350 14 2.4 -13.8 | 334 20 8.8 -18.4 45 142 14630 345 22 5.7 -21.3 | 335 29 12.1 -25.8 46 134 14935 315 17 12.0 -12.0 | 312 25 18.4 -16.6 47 115 15850 345 13 3.4 -12.6 | 330 20 9.7 -17.1 48 109 16154 345 14 3.6 -13.5 | 331 21 10.0 -18.1 49 104 16459 355 10 0.9 -10.0 | 334 16 7.2 -14.5 50 100 16660 135 7 -4.9 4.9 | 255 1 1.4 0.4 51 98 16764 125 8 -6.6 4.6 | 93 0 -0.2 0.0 52 93 17069 185 5 0.4 5.0 | 267 7 6.8 0.4 53 88 17374 220 10 6.4 7.7 | 256 13 12.8 3.1 54 84 17628 215 10 5.7 8.2 | 253 13 12.1 3.6 55 83 17678 210 12 6.0 10.4 | 245 14 12.4 5.8 56 75 18288 235 13 10.6 7.5 | 260 17 17.0 2.9 57 71 18593 300 10 8.7 -5.0 | 302 18 15.0 -9.6 58 70 18670 255 21 20.3 5.4 | 268 27 26.7 0.9 59 64 19202 220 25 16.1 19.2 | 237 27 22.4 14.6 60 61 19507 225 12 8.5 8.5 | 255 15 14.9 3.9 61 55 20117 235 4 3.3 2.3 | 283 10 9.7 -2.3 62 52 20422 295 17 15.4 -7.2 | 298 25 21.8 -11.8 63 50 20660 285 31 29.9 -8.0 | 289 38 36.3 -12.6 64 49 20726 275 29 28.9 -2.5 | 281 36 35.3 -7.1 65 44 21336 290 34 31.9 -11.6 | 293 42 38.3 -16.2 66 41 21641 300 32 27.7 -16.0 | 301 40 34.1 -20.6 67 38 21946 290 28 26.3 -9.6 | 293 36 32.7 -14.2 68 36 22250 235 28 22.9 16.1 | 249 31 29.3 11.5 69 32 22860 200 19 6.5 17.9 | 224 18 12.9 13.3 Wind Parameters Mean winds (0-6000m): 95.7 at 10.5 knts Storm direction: 125.7 at 7.8 knts Shear (0-3000m) pos: 1.4 neg: 0.7 tot: 2.1 10-3/s Storm rel Dir Shear (0-3000m): 62.6 deg Storm rel helicity (0-3000m) pos: 16.2 neg: -12.8 tot: 3.4 m^2/s^2 ave: 1.1 10^-3 m/s^2 rel: 0.17 Storm rel vorticity (0-3000m) horiz: 4.5 stream: 0.8 10^-3/s Energy-Hel index: 0.07 Bulk Rich Number: 2157.60 Bulk Shear: 0.51 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 94 9 28 4| 5.3 0.0 5.3| 5.5 0.0 5.5 11.1 0.80| 5.8 4.6 1000 90 10 38 6| 2.6 2.2 4.8| 5.5 -4.2 1.3 1.3 0.24| 5.2 1.2 1500 83 11 35 7| 1.6 1.5 3.0| 7.3 -7.7 -0.4 -0.3 0.14| 4.6 0.6 2000 85 10 36 7| 1.4 1.1 2.4| 10.6 -9.8 0.7 0.4 0.12| 5.0 0.6 2500 84 10 34 7| 1.0 0.9 1.9| 11.5 -12.8 -1.3 -0.5 0.05| 4.7 0.2 3000 86 10 35 6| 1.4 0.7 2.1| 16.2 -12.8 3.4 1.1 0.17| 4.5 0.8 4000 89 10 41 6| 1.0 0.6 1.7| 19.0 -15.8 3.2 0.8 0.13| 4.1 0.5 5000 94 11 48 6| 1.3 0.8 2.1| 24.0 -18.7 5.3 1.1 0.14| 4.2 0.6 6000 96 10 49 5| 1.1 1.2 2.2| 27.6 -23.5 4.1 0.7 0.06| 4.5 0.3 Wrote GIF file: /home/apache/climate/data/raob//SBFN/skewt/SBFN.skewt.20250420.12.gif