UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101700.upa.cvt Date: 0000Z 17 OCT 25 Searching for SBSN... Searching the city database file for: SBSN ... Date:0000Z 17 OCT 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 1004 60 26.4 20.4 70 6.0 22.2 0 0 299.2 302.0 295.1 343.5 15.20 1 1000 92 28.2 21.2 66 7.0 23.2 0 0 301.4 304.3 296.3 348.6 16.05 2 998 110 29.2 22.2 66 7.0 24.1 7 1 302.5 305.7 297.3 353.2 17.12 3 992 164 29.6 21.6 62 8.0 23.8 29 4 303.4 306.5 297.2 352.7 16.59 4 925 786 25.0 20.0 74 5.0 21.4 95 14 304.9 307.9 297.3 353.0 16.11 5 868 1343 20.6 17.3 81 3.3 18.3 89 19 305.9 308.6 296.5 349.2 14.46 6 850 1525 20.2 13.2 64 7.0 15.5 80 18 307.3 309.4 294.7 341.4 11.29 7 775 2315 16.0 1.0 36 15.0 7.8 62 21 311.0 312.0 291.0 327.6 5.31 8 723 2900 11.2 0.2 47 11.0 5.3 49 18 312.0 313.0 291.4 328.8 5.37 9 700 3169 9.8 -6.2 32 16.0 2.2 60 12 313.3 314.0 290.0 324.3 3.43 10 689 3301 9.8 -17.2 13 27.0 -0.5 63 11 314.8 315.0 288.6 319.6 1.44 11 644 3858 6.6 -24.4 9 31.0 -3.4 76 13 317.3 317.4 288.8 320.1 0.82 12 567 4888 -1.3 -11.3 46 10.0 -5.5 75 19 319.7 320.3 291.5 329.1 2.84 13 559 5002 -0.5 -28.5 10 28.0 -8.4 86 18 322.0 322.1 290.0 324.3 0.65 14 550 5132 0.2 -37.8 4 38.0 -8.7 99 17 324.3 324.4 290.4 325.3 0.27 15 500 5890 -4.1 -41.1 4 37.0 -11.8 95 25 328.0 328.1 291.4 328.8 0.21 16 431 7042 -10.7 -40.7 6 30.0 -16.5 71 17 333.9 333.9 293.0 334.9 0.25 17 400 7610 -14.9 -43.9 6 29.0 -19.7 70 14 335.6 335.7 293.4 336.4 0.19 18 335 8921 -24.5 -50.5 7 26.0 -27.4 54 20 340.0 340.0 294.4 340.4 0.11 19 306 9570 -30.7 -40.7 37 10.0 -32.0 47 15 340.2 340.3 294.7 341.6 0.36 20 300 9710 -31.7 -43.7 30 12.0 -33.0 45 14 340.7 340.8 294.7 341.8 0.27 21 258 10756 -40.3 -62.3 8 22.0 -41.3 66 10 343.0 343.1 295.1 343.2 0.03 22 250 10970 -42.1 -63.1 8 21.0 -42.9 70 10 343.5 343.5 295.2 343.6 0.03 23 240 11244 -44.7 -61.7 13 17.0 -45.3 91 10 343.6 343.6 295.2 343.8 0.04 24 200 12440 -53.5 -70.5 11 17.0 -53.8 130 24 348.0 348.0 296.2 348.1 0.01 25 156 13993 -65.9 -74.9 27 9.0 -66.0 116 22 352.6 352.6 297.2 352.6 0.01 26 150 14230 -66.9 -77.9 20 11.0 -67.0 90 15 354.8 354.8 297.7 354.9 0.01 27 146 14393 -67.7 -78.7 19 11.0 -67.8 70 12 356.2 356.2 298.0 356.2 0.01 28 117 15702 -75.5 -81.5 38 6.0 -75.5 302 10 365.1 365.1 299.7 365.1 0.00 29 105 16322 -79.5 -85.5 36 6.0 -79.5 290 6 368.9 368.9 300.4 369.0 0.00 30 101 16543 -78.7 -85.7 31 7.0 -78.7 295 15 374.6 374.6 301.4 374.6 0.00 31 100 16600 -78.1 -85.1 31 7.0 -78.1 305 18 376.8 376.8 301.7 376.8 0.00 32 91 17137 -79.7 -86.7 30 7.0 -79.7 297 14 384.0 384.0 302.9 384.0 0.00 33 85 17529 -74.5 -85.5 17 11.0 -74.5 288 10 402.0 402.0 305.5 402.1 0.00 34 70 18650 -77.7 -87.7 18 10.0 -77.7 210 27 418.2 418.2 307.5 418.2 0.00 35 69 18732 -77.9 -87.9 18 10.0 -77.9 212 29 419.5 419.5 307.6 419.5 0.00 36 65 19075 -76.7 -88.7 13 12.0 -76.7 215 21 429.3 429.3 308.7 429.3 0.00 37 59 19646 -67.7 -88.7 3 21.0 -67.9 318 10 461.6 461.6 311.9 461.6 0.00 38 52 20397 -72.3 -90.3 5 18.0 -72.4 114 1 467.8 467.8 312.4 467.8 0.00 39 50 20630 -69.3 -90.3 3 21.0 -69.5 85 23 480.2 480.2 313.5 480.2 0.00 40 46 21131 -66.9 -90.9 2 24.0 -67.2 78 35 497.6 497.6 314.8 497.6 0.00 41 43 21538 -68.3 -91.3 2 23.0 -68.5 92 35 503.8 503.8 315.2 503.8 0.00 42 31 23519 -64.9 -90.9 2 26.0 -65.4 88 54 562.4 562.4 318.8 562.4 0.00 43 30 23720 -62.5 -90.5 1 28.0 -63.2 90 56 574.3 574.3 319.4 574.3 0.00 44 28 24149 -59.5 -89.5 1 30.0 -60.5 90 54 594.0 594.0 320.3 594.1 0.00 45 25 24862 -57.5 -87.5 1 30.0 -58.9 93 63 619.4 619.4 321.5 619.4 0.01 46 21 25969 -55.6 -86.4 1 30.8 -57.6 95 70 656.7 656.7 322.9 656.8 0.01 47 20 26280 -55.1 -86.1 1 31.0 -57.3 95 67 667.5 667.5 323.3 667.6 0.01 48 18 26954 -54.7 -85.7 1 31.0 -57.2 93 67 689.2 689.2 324.1 689.3 0.01 TRP 105 16322 -79.5 -85.5 36 6.0 -79.5 290 6 368.9 368.9 300.4 369.0 0.00 WND 21 25969 -55.6 -86.4 1 30.8 -57.6 95 70 656.7 656.7 322.9 656.8 0.01 Sounding variables and indices 1000-500 mb thick: 5798.00 m Freezing level: 579.67 mb = 4718.83 m = 15481.54 ft Freezing level: 552.57 mb = 5094.70 m = 16714.70 ft Freezing level: 547.67 mb = 5167.10 m = 16952.23 ft Wetbulb zero: 690.97 mb = 3276.76 m = 10750.39 ft Precipitable water: 1.46 inches Sfc-500 mean rel hum: 37.66 % Est. max temperature: 34.19 C = 93.54 F Sfc-Lift cond lev (LCL): 920.11 mb = 832.46 m = 2731.15 ft T: 24.63 C 700-500 lapse rate: 5.11 C/km ThetaE index: 25.40 C Layer 868.0- 723.0 mb Conv cond level (CCL): 810.16 mb = 1935.61 m = 6350.35 ft Mean mixing ratio: 16.24 g/kg Conv temperature: 36.44 C = 97.59 F Cap Strength: 1.90 C Lifted Index: -2.01 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -4.65 C Lifted Index @700 mb: -1.47 C Showalter Index: 2.09 C Risk: Showers probable Total Totals Index: 41.60 C Risk: None Vertical Totals Index: 24.30 C Cross Totals Index: 17.30 C K Index: 21.50 Risk: 20-40 % chance of thunderstorms Sweat Index: 219.40 Risk: None Energy Index: -2.30 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1234.05 J/kg Max Up Vert Vel: 49.68 m/s Conv Inhibition (B-): 76.09 J/kg Cap Strength: 1.84 C Lift Cond Lev (LCL): 871.42 mb = 1308.56 m = 4293.14 ft Lev Free Conv (LFC): 746.42 mb = 2631.37 m = 8632.98 ft Equ Level (EL): 156.42 mb = 13975.72 m = 45851.53 ft B at Equ Level: 1225.30 J/kg Max Parcel Lev (MPL): 86.42 mb = 17433.51 m = 57195.85 ft Wind level data Storm motion: 107 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 1004 60 0 0 -0.0 -0.0 | 287 12 11.9 -3.6 1 1000 92 0 0 -0.0 -0.0 | 287 12 11.9 -3.6 2 976 305 85 13 -13.0 -1.1 | 13 5 -1.1 -4.8 3 944 610 85 15 -14.9 -1.3 | 32 6 -3.1 -5.0 4 925 786 95 14 -13.9 1.2 | 40 3 -2.1 -2.4 5 912 914 95 14 -13.9 1.2 | 40 3 -2.1 -2.4 6 880 1219 95 19 -18.9 1.7 | 74 7 -7.1 -2.0 7 850 1525 80 18 -17.7 -3.1 | 41 9 -5.9 -6.8 8 820 1829 60 20 -17.3 -10.0 | 22 15 -5.4 -13.6 9 791 2134 65 22 -19.9 -9.3 | 32 15 -8.1 -12.9 10 763 2438 60 21 -18.2 -10.5 | 24 15 -6.3 -14.1 11 710 3048 45 17 -12.0 -12.0 | 1 16 -0.1 -15.7 12 700 3169 60 12 -10.4 -6.0 | 351 10 1.5 -9.6 13 684 3353 65 10 -9.1 -4.2 | 340 8 2.8 -7.9 14 659 3658 85 12 -12.0 -1.0 | 1 5 -0.1 -4.7 15 635 3962 70 13 -12.2 -4.4 | 2 8 -0.3 -8.1 16 611 4267 75 14 -13.5 -3.6 | 13 7 -1.6 -7.3 17 567 4877 75 19 -18.4 -4.9 | 37 11 -6.5 -8.6 18 546 5182 105 16 -15.5 4.1 | 98 4 -3.6 0.5 19 506 5791 85 21 -20.9 -1.8 | 59 11 -9.0 -5.5 20 500 5890 95 25 -24.9 2.2 | 84 13 -13.0 -1.5 21 487 6096 95 25 -24.9 2.2 | 84 13 -13.0 -1.5 22 468 6401 85 27 -26.9 -2.4 | 68 16 -15.0 -6.0 23 432 7010 70 17 -16.0 -5.8 | 23 10 -4.1 -9.5 24 416 7315 80 12 -11.8 -2.1 | 359 6 0.1 -5.7 25 400 7610 70 14 -13.2 -4.8 | 9 9 -1.3 -8.4 26 383 7925 60 15 -13.0 -7.5 | 6 11 -1.1 -11.1 27 367 8230 70 18 -16.9 -6.2 | 27 11 -5.0 -9.8 28 352 8534 75 17 -16.4 -4.4 | 29 9 -4.5 -8.0 29 338 8839 55 21 -17.2 -12.0 | 19 17 -5.3 -15.7 30 300 9710 45 14 -9.9 -9.9 | 352 14 2.0 -13.5 31 298 9754 55 14 -11.5 -8.0 | 358 12 0.4 -11.7 32 285 10058 35 15 -8.6 -12.3 | 348 16 3.3 -15.9 33 273 10363 65 9 -8.2 -3.8 | 333 8 3.7 -7.5 34 261 10668 65 10 -9.1 -4.2 | 340 8 2.8 -7.9 35 250 10970 70 10 -9.4 -3.4 | 341 7 2.5 -7.1 36 250 10973 60 11 -9.5 -5.5 | 346 9 2.3 -9.1 37 239 11278 95 10 -10.0 0.9 | 325 3 1.9 -2.8 38 200 12440 130 24 -18.4 15.4 | 151 13 -6.5 11.8 39 180 13106 140 30 -19.3 23.0 | 159 21 -7.4 19.3 40 155 14021 115 22 -19.9 9.3 | 125 10 -8.1 5.7 41 150 14230 90 15 -15.0 0.0 | 41 5 -3.1 -3.6 42 133 14935 0 0 -0.0 -0.0 | 287 12 11.9 -3.6 43 120 15545 305 11 9.0 -6.3 | 295 23 20.9 -10.0 44 105 16322 290 6 5.6 -2.1 | 288 18 17.5 -5.7 45 103 16459 280 11 10.8 -1.9 | 284 23 22.7 -5.6 46 100 16600 305 18 14.7 -10.3 | 298 30 26.6 -14.0 47 97 16764 305 18 14.7 -10.3 | 298 30 26.6 -14.0 48 83 17678 285 9 8.7 -2.3 | 286 21 20.6 -6.0 49 75 18288 255 23 22.2 6.0 | 266 34 34.1 2.3 50 70 18650 210 27 13.5 23.4 | 232 32 25.4 19.7 51 67 18898 215 32 18.4 26.2 | 233 38 30.2 22.6 52 64 19202 215 15 8.6 12.3 | 247 22 20.5 8.6 53 61 19507 325 10 5.7 -8.2 | 304 21 17.6 -11.8 54 57 19812 310 10 7.7 -6.4 | 297 22 19.5 -10.1 55 52 20422 120 1 -0.9 0.5 | 286 11 11.0 -3.1 56 50 20630 85 23 -22.9 -2.0 | 63 12 -11.0 -5.7 57 49 20726 105 12 -11.6 3.1 | 332 1 0.3 -0.5 58 47 21031 75 35 -33.8 -9.1 | 60 25 -21.9 -12.7 59 42 21641 95 35 -34.9 3.1 | 89 23 -23.0 -0.6 60 38 22250 60 49 -42.4 -24.5 | 47 42 -30.6 -28.1 61 36 22555 80 47 -46.3 -8.2 | 71 36 -34.4 -11.8 62 30 23720 90 56 -56.0 0.0 | 85 44 -44.1 -3.6 63 28 24079 85 53 -52.8 -4.6 | 79 42 -40.9 -8.3 64 27 24384 105 58 -56.0 15.0 | 104 46 -44.1 11.4 65 25 24994 90 64 -64.0 0.0 | 86 52 -52.1 -3.6 66 21 25969 95 70 -69.7 6.1 | 92 58 -57.9 2.5 67 20 26213 95 70 -69.7 6.1 | 92 58 -57.9 2.5 68 20 26280 95 67 -66.7 5.8 | 92 55 -54.9 2.2 69 16 27127 90 66 -66.0 0.0 | 86 54 -54.1 -3.6 Wind Parameters Mean winds (0-6000m): 77.1 at 16.6 knts Storm direction: 107.1 at 12.4 knts Shear (0-3000m) pos: 2.8 neg: 2.3 tot: 5.1 10-3/s Storm rel Dir Shear (0-3000m): 73.3 deg Storm rel helicity (0-3000m) pos: 49.1 neg: -54.4 tot: -5.2 m^2/s^2 ave: -1.7 10^-3 m/s^2 rel: 0.10 Storm rel vorticity (0-3000m) horiz: 8.2 stream: 0.8 10^-3/s Energy-Hel index: 0.36 Bulk Rich Number: 188.66 Bulk Shear: 6.54 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 85 10 334 5| 15.1 0.0 15.1| 36.5 0.0 36.5 73.0 0.86| 18.7 16.1 1000 89 12 5 4| 8.4 0.0 8.4| 39.3 0.0 39.3 39.3 0.78| 11.9 9.3 1500 89 14 32 4| 5.6 1.9 7.5| 40.4 -10.1 30.3 20.2 0.46| 10.6 4.9 2000 82 16 31 7| 4.2 2.9 7.1| 47.3 -20.2 27.0 13.5 0.33| 10.0 3.3 2500 76 17 31 9| 3.4 2.6 5.9| 49.1 -33.6 15.6 6.2 0.23| 8.8 2.0 3000 72 17 26 10| 2.8 2.3 5.1| 49.1 -54.4 -5.2 -1.7 0.10| 8.2 0.8 4000 72 16 20 9| 2.4 1.9 4.3| 54.2 -64.5 -10.3 -2.6 0.06| 8.2 0.5 5000 73 16 21 9| 2.6 1.5 4.2| 72.5 -64.5 8.1 1.6 0.16| 7.8 1.3 6000 77 17 30 9| 2.7 1.3 3.9| 89.8 -71.0 18.9 3.1 0.18| 7.8 1.4 Wrote GIF file: /home/apache/climate/data/raob//SBSN/skewt/SBSN.skewt.20251017.00.gif