UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101712.upa.cvt Date: 1200Z 17 OCT 25 Searching for SBFN... Searching the city database file for: SBFN ... Date:1200Z 17 OCT 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 1009 56 27.8 21.8 70 6.0 23.5 125 7 300.2 303.2 296.3 348.6 16.51 1 1000 135 25.2 21.1 78 4.1 22.3 120 12 298.4 301.2 295.4 344.7 15.95 2 997 161 24.8 20.9 79 3.9 22.1 121 13 298.2 301.1 295.3 344.1 15.80 3 939 685 20.4 18.5 89 1.9 19.1 127 19 298.9 301.5 294.6 340.9 14.42 4 925 815 19.6 17.3 87 2.3 18.1 130 21 299.4 301.8 294.0 338.9 13.55 5 850 1540 15.8 11.5 76 4.3 13.1 125 13 302.7 304.6 292.4 332.6 10.08 6 839 1651 15.2 11.6 79 3.6 12.9 114 12 303.2 305.1 292.7 333.8 10.28 7 823 1814 14.6 9.6 72 5.0 11.5 97 11 304.2 305.9 292.2 331.6 9.16 8 803 2023 17.0 -2.0 27 19.0 7.2 101 12 308.9 309.7 289.3 321.8 4.11 9 773 2347 16.2 -0.8 31 17.0 7.1 98 17 311.5 312.3 290.6 326.1 4.67 10 733 2796 12.0 4.0 58 8.0 7.3 86 18 311.6 313.0 292.6 333.3 6.97 11 708 3086 10.0 1.0 54 9.0 5.1 81 19 312.5 313.6 291.9 330.8 5.82 12 700 3180 9.4 -0.6 50 10.0 4.1 85 20 312.9 313.9 291.5 329.4 5.23 13 647 3829 6.6 -13.4 22 20.0 -1.6 95 20 316.8 317.3 289.9 323.8 2.10 14 574 4799 -0.7 -7.7 59 7.0 -3.9 55 17 319.3 320.1 292.1 331.5 3.73 15 568 4883 -0.3 -9.3 51 9.0 -4.3 46 17 320.8 321.4 292.2 331.7 3.33 16 525 5507 -5.5 -16.5 42 11.0 -9.5 44 12 321.8 322.2 291.3 328.6 2.00 17 519 5597 -5.9 -28.9 14 23.0 -11.9 38 12 322.4 322.5 290.2 324.8 0.68 18 506 5796 -5.5 -43.5 3 38.0 -12.7 25 13 325.2 325.3 290.5 325.8 0.16 19 500 5890 -5.5 -47.5 2 42.0 -12.8 30 9 326.3 326.4 290.8 326.7 0.10 20 457 6588 -9.1 -44.1 4 35.0 -15.4 335 8 330.3 330.4 292.0 331.0 0.17 21 427 7106 -13.7 -38.7 10 25.0 -18.4 213 8 330.9 331.0 292.3 332.1 0.31 22 400 7600 -14.7 -45.7 5 31.0 -19.6 190 9 335.9 335.9 293.4 336.5 0.16 23 399 7619 -14.9 -44.9 6 30.0 -19.7 195 11 335.9 335.9 293.4 336.6 0.18 24 340 8814 -22.5 -55.5 3 33.0 -25.9 197 4 341.2 341.3 294.7 341.5 0.06 25 300 9720 -30.5 -59.5 4 29.0 -32.6 175 3 342.4 342.4 294.9 342.6 0.04 26 250 10980 -42.1 -61.1 11 19.0 -42.9 90 4 343.5 343.5 295.2 343.6 0.04 27 220 11832 -49.7 -64.7 16 15.0 -50.1 52 9 344.5 344.6 295.4 344.7 0.03 28 200 12450 -54.7 -67.7 19 13.0 -54.9 35 15 346.1 346.1 295.8 346.2 0.02 29 169 13506 -63.1 -68.1 51 5.0 -63.1 48 27 349.3 349.3 296.5 349.4 0.02 30 150 14230 -68.7 -74.7 42 6.0 -68.7 35 27 351.7 351.7 297.0 351.8 0.01 31 135 14853 -73.1 -79.1 40 6.0 -73.1 31 14 354.7 354.7 297.7 354.7 0.01 32 132 14986 -70.3 -81.3 18 11.0 -70.4 7 12 362.0 362.0 299.1 362.0 0.00 33 110 16045 -78.7 -83.7 44 5.0 -78.7 240 19 365.6 365.6 299.8 365.6 0.00 34 100 16590 -76.9 -85.9 22 9.0 -76.9 290 19 379.1 379.1 302.1 379.2 0.00 35 89 17257 -78.7 -86.7 26 8.0 -78.7 269 22 388.4 388.4 303.6 388.4 0.00 36 83 17657 -75.7 -86.7 16 11.0 -75.7 274 18 402.3 402.3 305.5 402.4 0.00 37 70 18640 -76.5 -88.5 13 12.0 -76.6 310 4 420.7 420.7 307.8 420.7 0.00 38 67 18892 -76.9 -88.9 13 12.0 -76.9 252 3 425.2 425.2 308.3 425.2 0.00 39 52 20377 -69.3 -90.3 3 21.0 -69.5 36 23 474.8 474.8 313.0 474.8 0.00 40 51 20493 -69.9 -90.9 3 21.0 -70.1 38 22 476.1 476.1 313.1 476.1 0.00 TRP 110 16045 -78.7 -83.7 44 5.0 -78.7 240 19 365.6 365.6 299.8 365.6 0.00 WND Sounding variables and indices 1000-500 mb thick: 5755.00 m Freezing level: 581.00 mb = 4706.15 m = 15439.93 ft Wetbulb zero: 661.72 mb = 3643.90 m = 11954.90 ft Precipitable water: 1.47 inches Sfc-500 mean rel hum: 51.67 % Est. max temperature: 29.91 C = 85.83 F Sfc-Lift cond lev (LCL): 924.99 mb = 815.07 m = 2674.08 ft T: 19.60 C 700-500 lapse rate: 5.50 C/km ThetaE index: 15.94 C Layer 1000.0- 839.0 mb Conv cond level (CCL): 894.24 mb = 1104.99 m = 3625.24 ft Mean mixing ratio: 14.74 g/kg Conv temperature: 28.32 C = 82.97 F Cap Strength: 4.11 C Lifted Index: 0.52 C Risk: Showers probable Lifted Index @300 mb: 2.47 C Lifted Index @700 mb: 1.18 C Showalter Index: 4.50 C Risk: None Total Totals Index: 38.30 C Risk: None Vertical Totals Index: 21.30 C Cross Totals Index: 17.00 C K Index: 22.80 Risk: 20-40 % chance of thunderstorms Sweat Index: 173.00 Risk: None Energy Index: -0.95 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 40.40 J/kg Max Up Vert Vel: 8.99 m/s Conv Inhibition (B-): 180.61 J/kg Cap Strength: 3.96 C Lift Cond Lev (LCL): 918.37 mb = 876.70 m = 2876.27 ft Lev Free Conv (LFC): 593.37 mb = 4530.34 m = 14863.15 ft Equ Level (EL): 503.37 mb = 5837.30 m = 19151.03 ft B at Equ Level: 39.71 J/kg Max Parcel Lev (MPL): 413.37 mb = 7351.52 m = 24118.85 ft Wind level data Storm motion: 123 at 12 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 1009 56 125 7 -5.7 4.0 | 301 5 4.5 -2.7 1 1000 135 120 12 -10.4 6.0 | 15 1 -0.2 -0.7 2 981 305 125 17 -13.9 9.8 | 130 5 -3.7 3.1 3 947 610 125 18 -14.7 10.3 | 129 6 -4.5 3.7 4 925 815 130 21 -16.1 13.5 | 139 9 -5.9 6.8 5 914 914 130 20 -15.3 12.9 | 140 8 -5.1 6.2 6 882 1219 140 18 -11.6 13.8 | 169 7 -1.4 7.1 7 852 1524 125 13 -10.6 7.5 | 151 1 -0.4 0.8 8 850 1540 125 13 -10.6 7.5 | 151 1 -0.4 0.8 9 821 1829 95 11 -11.0 1.0 | 7 6 -0.7 -5.7 10 792 2134 105 13 -12.6 3.4 | 35 4 -2.3 -3.3 11 764 2438 95 19 -18.9 1.7 | 60 10 -8.7 -5.0 12 711 3048 80 18 -17.7 -3.1 | 37 12 -7.5 -9.8 13 700 3180 85 20 -19.9 -1.7 | 49 13 -9.7 -8.4 14 660 3658 90 22 -22.0 0.0 | 60 14 -11.8 -6.7 15 612 4267 110 16 -15.0 5.5 | 76 5 -4.8 -1.2 16 567 4877 45 17 -12.0 -12.0 | 6 19 -1.8 -18.7 17 526 5486 45 12 -8.5 -8.5 | 353 15 1.7 -15.2 18 506 5791 25 13 -5.5 -11.8 | 346 19 4.7 -18.5 19 500 5890 30 9 -4.5 -7.8 | 338 16 5.7 -14.5 20 487 6096 20 5 -1.7 -4.7 | 323 14 8.5 -11.4 21 468 6401 20 10 -3.4 -9.4 | 337 17 6.8 -16.1 22 432 7010 225 3 2.1 2.1 | 290 13 12.3 -4.6 23 415 7315 185 19 1.7 18.9 | 224 17 11.9 12.3 24 400 7600 190 9 1.6 8.9 | 259 12 11.8 2.2 25 399 7620 195 11 2.8 10.6 | 253 14 13.1 4.0 26 367 8230 210 4 2.0 3.5 | 285 13 12.2 -3.2 27 300 9720 175 3 -0.3 3.0 | 290 11 10.0 -3.7 28 250 10973 180 1 0.0 1.0 | 299 12 10.2 -5.7 29 250 10980 90 4 -4.0 0.0 | 317 9 6.2 -6.7 30 208 12192 35 11 -6.3 -9.0 | 346 16 3.9 -15.7 31 200 12450 35 15 -8.6 -12.3 | 355 19 1.6 -19.0 32 171 13411 50 25 -19.2 -16.1 | 21 24 -8.9 -22.7 33 155 14021 35 39 -22.4 -31.9 | 17 40 -12.2 -38.6 34 150 14230 35 27 -15.5 -22.1 | 10 29 -5.3 -28.8 35 133 14935 30 12 -6.0 -10.4 | 346 18 4.2 -17.1 36 126 15240 230 12 9.2 7.7 | 267 19 19.4 1.0 37 114 15850 225 27 19.1 19.1 | 247 32 29.3 12.4 38 110 16045 240 19 16.5 9.5 | 264 27 26.7 2.8 39 102 16459 235 12 9.8 6.9 | 269 20 20.0 0.2 40 100 16590 290 19 17.9 -6.5 | 295 31 28.1 -13.2 41 97 16764 285 18 17.4 -4.7 | 292 30 27.6 -11.3 42 87 17374 265 23 22.9 2.0 | 278 33 33.1 -4.7 43 83 17678 275 18 17.9 -1.6 | 286 29 28.1 -8.2 44 78 17983 245 26 23.6 11.0 | 263 34 33.8 4.3 45 71 18593 200 11 3.8 10.3 | 255 14 14.0 3.7 46 70 18640 310 4 3.1 -2.6 | 305 16 13.3 -9.2 47 67 18898 245 3 2.7 1.3 | 293 14 12.9 -5.4 48 63 19202 345 12 3.1 -11.6 | 324 23 13.3 -18.3 49 59 19507 320 15 9.6 -11.5 | 312 27 19.9 -18.2 50 56 19812 30 18 -9.0 -15.6 | 357 22 1.2 -22.3 51 53 20117 35 23 -13.2 -18.8 | 7 26 -3.0 -25.5 52 50 20422 40 21 -13.5 -16.1 | 8 23 -3.3 -22.8 53 47 20726 70 15 -14.1 -5.1 | 18 12 -3.9 -11.8 Wind Parameters Mean winds (0-6000m): 93.2 at 16.3 knts Storm direction: 123.2 at 12.2 knts Shear (0-3000m) pos: 0.6 neg: 2.9 tot: 3.4 10-3/s Storm rel Dir Shear (0-3000m): 97.5 deg Storm rel helicity (0-3000m) pos: 18.0 neg: -14.6 tot: 3.4 m^2/s^2 ave: 1.1 10^-3 m/s^2 rel: 0.19 Storm rel vorticity (0-3000m) horiz: 8.2 stream: 1.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 4.29 Bulk Shear: 9.41 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 ------------------------------------------------------------------------------- 500 124 15 128 3| 0.0 11.1 11.1| 1.6 -0.1 1.5 3.1 0.65| 14.0 9.1 1000 127 17 136 5| 1.7 5.6 7.3| 8.2 -0.1 8.1 8.1 0.63| 9.9 6.2 1500 129 17 145 5| 1.1 2.1 3.2| 11.6 -1.1 10.5 7.0 0.45| 9.4 4.2 2000 125 16 131 4| 0.9 2.2 3.1| 13.5 -2.6 10.9 5.5 0.28| 9.2 2.6 2500 119 16 107 4| 0.7 3.2 3.9| 18.0 -4.6 13.4 5.4 0.29| 9.0 2.6 3000 113 16 86 5| 0.6 2.9 3.4| 18.0 -14.6 3.4 1.1 0.19| 8.2 1.6 4000 106 17 73 7| 1.3 2.1 3.5| 40.6 -14.6 26.0 6.5 0.27| 7.6 2.1 5000 101 17 62 8| 1.1 2.7 3.8| 41.6 -58.6 -17.0 -3.4 0.04| 8.4 0.3 6000 93 16 46 8| 0.9 1.7 2.6| 41.6-103.0 -61.4 -10.2 -0.08| 8.2 -0.6 Wrote GIF file: /home/apache/climate/data/raob//SBFN/skewt/SBFN.skewt.20251017.12.gif