UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041512.upa.cvt Date: 1200Z 15 APR 25 Searching for SBSN... Searching the city database file for: SBSN ... Date:1200Z 15 APR 25 Station: SBSN WMO ident: 82244 Latitude: -2.42 Longitude: -54.79 Elevation: 60.00 ------------------------------------------------------------------------------- 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 1008 60 26.4 24.6 90 1.8 25.1 200 1 298.9 302.4 298.0 356.3 19.67 1 1000 127 25.2 23.9 93 1.3 24.3 155 1 298.4 301.8 297.4 353.7 19.00 2 989 225 24.2 23.7 97 0.5 23.9 100 4 298.3 301.7 297.4 353.5 18.98 3 925 810 20.8 19.9 95 0.9 20.2 55 20 300.6 303.5 296.1 347.6 16.01 4 880 1241 19.0 16.9 88 2.1 17.6 65 23 303.0 305.6 295.3 344.2 13.90 5 850 1540 18.4 14.5 78 3.9 15.8 70 21 305.4 307.7 294.8 342.3 12.31 6 833 1714 18.2 13.2 73 5.0 14.9 70 19 307.0 309.1 294.7 341.7 11.53 7 700 3188 10.8 5.9 72 4.9 7.8 90 14 314.4 316.0 294.4 340.5 8.35 8 696 3236 10.6 5.7 72 4.9 7.6 90 14 314.7 316.3 294.5 340.6 8.28 9 660 3678 9.0 -7.0 32 16.0 1.4 82 15 317.8 318.4 291.4 328.9 3.43 10 636 3984 6.6 -1.4 57 8.0 2.3 75 16 318.4 319.5 293.3 335.8 5.44 11 622 4167 6.0 -12.0 26 18.0 -1.7 84 17 319.8 320.2 291.1 327.9 2.45 12 613 4286 5.2 -9.8 33 15.0 -1.5 90 18 320.2 320.7 291.7 330.0 2.96 13 608 4353 4.2 -0.6 71 4.8 1.6 89 18 319.8 320.9 294.1 339.2 6.03 14 578 4764 1.4 -1.8 79 3.2 -0.3 96 16 321.2 322.3 294.3 339.9 5.81 15 562 4990 0.2 -3.6 76 3.8 -1.7 103 15 322.3 323.4 294.1 339.4 5.22 16 549 5178 -0.7 -11.7 43 11.0 -5.4 98 14 323.4 324.0 292.5 333.0 2.84 17 540 5310 -1.7 -9.7 54 8.0 -5.3 95 13 323.8 324.4 293.1 335.1 3.39 18 535 5384 -2.3 -4.1 87 1.8 -3.2 93 13 323.9 324.9 294.6 341.2 5.29 19 531 5444 -2.5 -3.6 92 1.1 -3.1 91 12 324.4 325.5 294.9 342.5 5.53 20 520 5610 -3.3 -7.7 72 4.4 -5.4 94 12 325.3 326.2 294.1 339.1 4.12 21 516 5671 -3.9 -5.4 89 1.5 -4.7 96 13 325.3 326.3 294.7 341.7 4.96 22 500 5920 -5.1 -13.1 53 8.0 -8.4 80 13 326.8 327.4 293.4 336.3 2.79 23 496 5983 -5.5 -6.8 91 1.3 -6.1 80 13 327.1 328.0 294.9 342.5 4.64 24 403 7583 -14.1 -20.1 60 6.0 -16.1 82 20 335.9 336.3 295.0 342.8 1.92 25 400 7640 -14.5 -20.5 60 6.0 -16.4 80 20 336.1 336.5 295.0 342.8 1.87 26 372 8184 -18.5 -28.5 41 10.0 -21.0 70 23 337.9 338.1 294.7 341.5 0.98 27 339 8869 -23.5 -26.0 80 2.5 -24.1 85 22 340.2 340.4 295.6 345.2 1.35 28 332 9021 -24.1 -30.1 58 6.0 -25.4 90 20 341.4 341.6 295.5 344.9 0.94 29 310 9516 -28.5 -31.6 75 3.1 -29.1 86 16 342.0 342.2 295.6 345.3 0.88 30 300 9750 -29.9 -34.8 62 4.9 -30.7 80 15 343.2 343.4 295.7 345.8 0.66 31 280 10241 -33.3 -41.3 45 8.0 -34.3 80 15 345.2 345.3 295.9 346.6 0.37 32 260 10760 -37.7 -46.7 38 9.0 -38.5 96 14 346.1 346.2 296.0 347.0 0.22 33 250 11030 -40.1 -47.1 47 7.0 -40.6 105 14 346.4 346.5 296.0 347.3 0.22 34 201 12478 -52.7 -64.7 22 12.0 -53.0 110 22 348.8 348.8 296.4 349.0 0.03 35 200 12510 -52.9 -65.9 19 13.0 -53.2 110 22 349.0 349.0 296.4 349.1 0.03 36 175 13356 -59.5 -77.5 8 18.0 -59.7 114 22 351.7 351.7 297.0 351.7 0.01 37 155 14102 -65.7 -77.7 17 12.0 -65.8 119 20 353.6 353.6 297.4 353.6 0.01 38 150 14300 -66.1 -80.1 12 14.0 -66.2 120 20 356.2 356.2 298.0 356.2 0.00 39 103 16494 -81.7 -88.7 29 7.0 -81.7 270 12 366.8 366.8 300.0 366.8 0.00 40 100 16660 -81.5 -88.5 29 7.0 -81.5 285 12 370.3 370.3 300.6 370.3 0.00 41 79 18001 -76.9 -88.9 13 12.0 -76.9 348 12 405.6 405.6 305.9 405.6 0.00 42 70 18690 -80.7 -89.7 21 9.0 -80.7 285 26 411.7 411.7 306.7 411.7 0.00 43 67 18936 -81.3 -90.3 20 9.0 -81.3 288 24 415.6 415.6 307.2 415.6 0.00 44 65 19107 -80.7 -90.7 17 10.0 -80.7 279 17 420.6 420.6 307.8 420.6 0.00 45 62 19378 -72.5 -89.5 6 17.0 -72.6 273 17 444.4 444.4 310.3 444.5 0.00 46 58 19774 -68.7 -89.7 3 21.0 -68.9 268 22 461.6 461.6 311.9 461.6 0.00 47 50 20670 -64.9 -88.9 2 24.0 -65.2 255 27 490.5 490.5 314.2 490.6 0.00 48 48 20920 -63.7 -88.7 2 25.0 -64.1 255 26 499.2 499.2 314.9 499.2 0.00 49 43 21593 -65.3 -89.3 2 24.0 -65.7 268 21 511.2 511.2 315.7 511.2 0.00 50 31 23588 -64.7 -89.7 2 25.0 -65.2 250 12 563.0 563.0 318.8 563.0 0.00 51 30 23790 -61.9 -89.9 1 28.0 -62.6 245 9 575.9 575.9 319.5 575.9 0.00 52 27 24445 -59.9 -88.9 1 29.0 -60.9 237 7 599.1 599.1 320.6 599.2 0.01 53 24 25179 -61.3 -89.3 1 28.0 -62.3 178 11 615.6 615.6 321.3 615.6 0.01 54 22 25725 -57.1 -87.1 1 30.0 -58.7 99 22 643.6 643.6 322.4 643.7 0.01 55 21 26019 -57.3 -87.3 1 30.0 -59.0 99 32 651.6 651.6 322.7 651.7 0.01 56 20 26330 -54.3 -85.3 1 31.0 -56.6 70 35 670.0 670.0 323.4 670.1 0.01 57 19 26658 -55.1 -86.1 1 31.0 -57.4 70 34 677.4 677.4 323.7 677.5 0.01 58 18 27004 -54.1 -86.1 1 32.0 -56.7 72 37 691.1 691.1 324.1 691.2 0.01 59 17 27375 -49.9 -83.9 1 34.0 -53.8 73 40 716.0 716.0 325.0 716.1 0.02 TRP 103 16494 -81.7 -88.7 29 7.0 -81.7 270 12 366.8 366.8 300.0 366.8 0.00 WND Sounding variables and indices 1000-500 mb thick: 5793.00 m Freezing level: 559.11 mb = 5031.77 m = 16508.23 ft Wetbulb zero: 627.90 mb = 4089.35 m = 13416.34 ft Precipitable water: 2.17 inches Sfc-500 mean rel hum: 71.76 % Est. max temperature: 32.32 C = 90.17 F Sfc-Lift cond lev (LCL): 982.45 mb = 282.69 m = 927.44 ft T: 23.86 C 700-500 lapse rate: 5.82 C/km ThetaE index: 15.81 C Layer 1000.0- 696.0 mb Conv cond level (CCL): 938.25 mb = 685.54 m = 2249.11 ft Mean mixing ratio: 17.46 g/kg Conv temperature: 27.63 C = 81.73 F Cap Strength: 1.01 C Lifted Index: -2.37 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.85 C Lifted Index @700 mb: 0.06 C Showalter Index: 0.77 C Risk: Thunderstorms probable Total Totals Index: 43.10 C Risk: None Vertical Totals Index: 23.50 C Cross Totals Index: 19.60 C K Index: 33.10 Risk: 60-80 % chance of thunderstorms Sweat Index: 229.00 Risk: None Energy Index: -1.13 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 581.77 J/kg Max Up Vert Vel: 34.11 m/s Conv Inhibition (B-): 0.60 J/kg Cap Strength: 0.96 C Lift Cond Lev (LCL): 946.26 mb = 611.12 m = 2004.97 ft Lev Free Conv (LFC): 921.26 mb = 845.02 m = 2772.33 ft Equ Level (EL): 871.26 mb = 1327.25 m = 4354.45 ft B at Equ Level: 13.78 J/kg Max Parcel Lev (MPL): 811.26 mb = 1937.71 m = 6357.23 ft Wind level data Storm motion: 108 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 1008 60 200 1 0.3 0.9 | 283 11 11.2 -2.5 1 1000 127 155 1 -0.4 0.9 | 284 11 10.4 -2.6 2 980 305 55 6 -4.9 -3.4 | 319 9 6.0 -6.9 3 946 610 60 12 -10.4 -6.0 | 357 9 0.5 -9.5 4 925 810 55 20 -16.4 -11.5 | 20 16 -5.5 -14.9 5 914 914 60 21 -18.2 -10.5 | 28 16 -7.3 -14.0 6 852 1524 70 24 -22.6 -8.2 | 45 17 -11.7 -11.7 7 850 1540 70 21 -19.7 -7.2 | 40 14 -8.9 -10.6 8 793 2134 70 15 -14.1 -5.1 | 21 9 -3.2 -8.6 9 765 2438 70 15 -14.1 -5.1 | 21 9 -3.2 -8.6 10 738 2743 60 14 -12.1 -7.0 | 7 11 -1.3 -10.5 11 700 3188 90 14 -14.0 0.0 | 42 5 -3.1 -3.5 12 686 3353 90 14 -14.0 0.0 | 42 5 -3.1 -3.5 13 636 3962 75 16 -15.5 -4.1 | 31 9 -4.6 -7.6 14 613 4267 90 18 -18.0 0.0 | 64 8 -7.1 -3.5 15 590 4572 85 16 -15.9 -1.4 | 46 7 -5.1 -4.9 16 569 4877 105 16 -15.5 4.1 | 98 5 -4.6 0.7 17 527 5486 90 12 -12.0 0.0 | 18 4 -1.1 -3.5 18 508 5791 100 13 -12.8 2.3 | 58 2 -1.9 -1.2 19 500 5920 80 13 -12.8 -2.3 | 19 6 -1.9 -5.7 20 489 6096 80 13 -12.8 -2.3 | 19 6 -1.9 -5.7 21 470 6401 75 10 -9.7 -2.6 | 349 6 1.2 -6.1 22 452 6706 65 12 -10.9 -5.1 | 0 9 -0.0 -8.5 23 434 7010 65 13 -11.8 -5.5 | 6 9 -0.9 -9.0 24 417 7315 90 19 -19.0 0.0 | 67 9 -8.1 -3.5 25 400 7640 80 20 -19.7 -3.5 | 52 11 -8.8 -6.9 26 385 7925 70 21 -19.7 -7.2 | 40 14 -8.9 -10.6 27 369 8230 70 24 -22.6 -8.2 | 45 17 -11.7 -11.7 28 354 8534 75 27 -26.1 -7.0 | 56 18 -15.2 -10.5 29 326 9144 95 18 -17.9 1.6 | 75 7 -7.1 -1.9 30 300 9750 80 15 -14.8 -2.6 | 33 7 -3.9 -6.1 31 287 10058 75 15 -14.5 -3.9 | 26 8 -3.6 -7.3 32 250 11030 105 14 -13.5 3.6 | 93 3 -2.7 0.2 33 241 11278 105 14 -13.5 3.6 | 93 3 -2.7 0.2 34 220 11887 115 17 -15.4 7.2 | 129 6 -4.5 3.7 35 200 12510 110 22 -20.7 7.5 | 112 11 -9.8 4.1 36 191 12802 110 23 -21.6 7.9 | 112 12 -10.7 4.4 37 150 14300 120 20 -17.3 10.0 | 135 9 -6.5 6.5 38 149 14326 125 28 -22.9 16.1 | 136 17 -12.1 12.6 39 142 14630 120 20 -17.3 10.0 | 135 9 -6.5 6.5 40 128 15240 235 5 4.1 2.9 | 272 15 15.0 -0.6 41 121 15545 305 11 9.0 -6.3 | 296 22 19.9 -9.8 42 115 15850 335 11 4.6 -10.0 | 311 21 15.5 -13.4 43 109 16154 345 10 2.6 -9.7 | 314 19 13.5 -13.1 44 104 16459 270 11 11.0 -0.0 | 279 22 21.9 -3.5 45 103 16494 270 12 12.0 -0.0 | 279 23 22.9 -3.5 46 100 16660 285 12 11.6 -3.1 | 286 23 22.5 -6.6 47 93 17069 285 10 9.7 -2.6 | 286 21 20.5 -6.1 48 84 17678 200 2 0.7 1.9 | 278 12 11.6 -1.6 49 79 17983 350 12 2.1 -11.8 | 320 20 13.0 -15.3 50 71 18593 300 27 23.4 -13.5 | 296 38 34.2 -17.0 51 70 18690 285 26 25.1 -6.7 | 286 37 36.0 -10.2 52 68 18898 290 26 24.4 -8.9 | 289 37 35.3 -12.4 53 64 19202 275 14 13.9 -1.2 | 281 25 24.8 -4.7 54 52 20422 260 31 30.5 5.4 | 267 41 41.4 1.9 55 50 20670 255 27 26.1 7.0 | 265 37 36.9 3.5 56 45 21336 255 24 23.2 6.2 | 265 34 34.0 2.7 57 43 21641 270 21 21.0 -0.0 | 276 32 31.9 -3.5 58 39 22250 255 16 15.5 4.1 | 269 26 26.3 0.7 59 35 22860 270 20 20.0 -0.0 | 276 31 30.9 -3.5 60 30 23774 245 10 9.1 4.2 | 268 20 19.9 0.8 61 30 23790 245 9 8.2 3.8 | 269 19 19.0 0.3 62 29 24079 255 11 10.6 2.8 | 272 22 21.5 -0.6 63 25 24994 210 2 1.0 1.7 | 278 12 11.9 -1.7 64 24 25298 160 16 -5.5 15.0 | 205 13 5.4 11.6 65 22 25603 95 18 -17.9 1.6 | 75 7 -7.1 -1.9 66 21 25908 105 27 -26.1 7.0 | 103 16 -15.2 3.5 67 20 26213 90 41 -41.0 0.0 | 83 30 -30.1 -3.5 68 20 26330 70 35 -32.9 -12.0 | 55 27 -22.0 -15.4 69 19 26518 70 34 -31.9 -11.6 | 54 26 -21.1 -15.1 70 14 27737 80 52 -51.2 -9.0 | 73 42 -40.3 -12.5 Wind Parameters Mean winds (0-6000m): 77.7 at 15.2 knts Storm direction: 107.7 at 11.4 knts Shear (0-3000m) pos: 1.9 neg: 1.1 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 105.4 deg Storm rel helicity (0-3000m) pos: 74.0 neg: -20.6 tot: 53.4 m^2/s^2 ave: 17.8 10^-3 m/s^2 rel: 0.42 Storm rel vorticity (0-3000m) horiz: 7.6 stream: 3.2 10^-3/s Energy-Hel index: 0.25 Bulk Rich Number: 44.66 Bulk Shear: 13.03 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 60 6 317 9| 0.0 12.2 12.2| 23.3 -0.2 23.0 46.1 0.79| 13.5 10.6 1000 59 12 356 10| 5.5 6.1 11.6| 53.9 -0.2 53.7 53.7 0.77| 12.8 9.9 1500 63 16 16 11| 3.5 4.1 7.5| 67.7 -4.2 63.5 42.3 0.69| 10.7 7.4 2000 65 16 20 11| 2.6 1.8 4.4| 67.7 -13.5 54.1 27.1 0.51| 9.3 4.7 2500 66 16 20 11| 2.1 1.3 3.4| 67.7 -17.3 50.4 20.1 0.44| 7.8 3.5 3000 66 16 19 10| 1.9 1.1 3.0| 74.0 -20.6 53.4 17.8 0.42| 7.6 3.2 4000 70 15 23 9| 1.5 1.1 2.7| 79.2 -22.9 56.3 14.1 0.38| 6.7 2.6 5000 75 16 30 9| 1.3 0.9 2.2| 92.8 -28.3 64.5 12.9 0.38| 6.7 2.5 6000 78 15 31 8| 1.1 1.1 2.2| 93.9 -33.8 60.1 10.0 0.27| 6.4 1.7 Wrote GIF file: /home/apache/climate/data/raob//SBSN/skewt/SBSN.skewt.20250415.12.gif