UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101512.upa.cvt Date: 1200Z 15 OCT 25 Searching for SBTT... Searching the city database file for: SBTT ... Date:1200Z 15 OCT 25 Station: SBTT WMO ident: 82411 Latitude: -4.25 Longitude: -69.94 Elevation: 85.00 ------------------------------------------------------------------------------- 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 1003 85 23.0 22.0 94 1.0 22.3 140 3 295.9 298.9 295.3 344.3 16.82 1 1000 103 23.2 22.4 95 0.8 22.6 100 4 296.4 299.5 295.8 346.3 17.30 2 972 352 22.0 21.2 95 0.8 21.5 82 10 297.6 300.6 295.6 345.4 16.52 3 947 580 23.2 18.6 75 4.6 20.0 67 13 301.0 303.6 295.1 343.3 14.39 4 925 786 22.0 19.2 84 2.8 20.1 70 13 301.8 304.6 296.0 346.9 15.31 5 850 1518 18.2 15.4 84 2.8 16.3 55 10 305.2 307.6 295.3 344.2 13.06 6 815 1878 16.6 11.6 72 5.0 13.4 81 8 307.2 309.2 294.1 339.2 10.59 7 700 3160 9.2 6.5 83 2.7 7.6 150 4 312.7 314.3 294.2 339.7 8.71 8 629 4037 3.4 2.9 97 0.5 3.1 181 4 315.8 317.2 294.2 339.4 7.52 9 561 4959 -0.7 -3.7 80 3.0 -2.2 205 3 321.4 322.4 293.9 338.3 5.19 10 500 5870 -6.3 -8.2 86 1.9 -7.2 220 6 325.4 326.2 294.1 339.1 4.12 11 488 6059 -7.5 -8.8 90 1.3 -8.1 212 8 326.2 327.0 294.2 339.6 4.03 12 400 7580 -16.7 -18.8 84 2.1 -17.4 185 12 333.3 333.7 294.6 340.9 2.17 13 397 7637 -17.1 -19.3 83 2.2 -17.8 185 11 333.5 333.9 294.5 340.9 2.09 14 300 9680 -32.1 -35.1 75 3.0 -32.6 150 10 340.1 340.3 295.0 342.6 0.64 15 277 10238 -36.3 -40.5 65 4.2 -36.8 138 7 341.9 342.0 295.1 343.5 0.40 16 250 10940 -42.1 -46.3 63 4.2 -42.4 105 12 343.5 343.5 295.4 344.4 0.24 17 227 11586 -47.7 -49.1 85 1.4 -47.8 86 14 344.5 344.6 295.6 345.3 0.19 18 221 11763 -49.3 -53.0 65 3.7 -49.5 83 15 344.7 344.7 295.6 345.2 0.13 19 208 12158 -52.7 -54.2 84 1.5 -52.8 78 17 345.4 345.4 295.7 345.9 0.12 20 204 12283 -53.7 -60.7 42 7.0 -53.9 77 17 345.8 345.8 295.7 346.0 0.05 21 200 12410 -55.1 -61.1 47 6.0 -55.2 75 18 345.5 345.5 295.7 345.7 0.05 22 191 12701 -57.7 -67.7 27 10.0 -57.9 77 18 345.9 345.9 295.7 346.0 0.02 23 185 12901 -59.5 -69.5 26 10.0 -59.6 78 19 346.2 346.2 295.8 346.2 0.02 24 181 13037 -59.9 -73.9 14 14.0 -60.0 79 19 347.7 347.7 296.1 347.7 0.01 25 166 13569 -64.9 -69.9 50 5.0 -65.0 55 23 348.0 348.0 296.2 348.1 0.02 26 158 13868 -66.5 -76.5 23 10.0 -66.5 63 27 350.3 350.3 296.7 350.3 0.01 27 150 14180 -69.1 -73.6 52 4.5 -69.1 80 28 351.1 351.1 296.9 351.1 0.01 28 147 14300 -69.9 -75.9 41 6.0 -69.9 80 29 351.7 351.7 297.0 351.7 0.01 29 137 14722 -67.9 -78.9 19 11.0 -67.9 47 21 362.4 362.4 299.2 362.4 0.01 30 109 16065 -77.1 -84.1 32 7.0 -77.1 255 15 369.5 369.5 300.5 369.6 0.00 31 101 16503 -77.1 -85.1 27 8.0 -77.1 260 22 377.7 377.7 301.9 377.7 0.00 32 100 16560 -77.1 -85.1 27 8.0 -77.1 260 29 378.8 378.8 302.1 378.8 0.00 33 87 17356 -79.5 -86.5 30 7.0 -79.5 263 21 389.3 389.3 303.7 389.3 0.00 34 75 18221 -69.7 -86.7 7 17.0 -69.8 301 16 426.8 426.8 308.5 426.8 0.00 35 70 18630 -72.1 -88.1 7 16.0 -72.2 275 14 430.1 430.1 308.9 430.1 0.00 36 62 19337 -74.9 -88.9 10 14.0 -75.0 212 14 439.1 439.1 309.8 439.1 0.00 37 56 19936 -67.9 -88.9 3 21.0 -68.1 151 12 468.1 468.1 312.5 468.1 0.00 38 51 20493 -70.7 -90.7 4 20.0 -70.8 94 15 474.2 474.2 313.0 474.2 0.00 39 50 20610 -69.5 -90.5 3 21.0 -69.6 85 18 479.7 479.7 313.4 479.7 0.00 40 48 20854 -68.9 -90.9 3 22.0 -69.1 93 15 486.8 486.8 314.0 486.8 0.00 41 47 20982 -62.5 -89.5 1 27.0 -63.0 91 21 505.1 505.1 315.3 505.1 0.00 42 46 21115 -62.1 -89.1 2 27.0 -62.6 89 26 509.1 509.1 315.6 509.2 0.00 43 39 22120 -68.3 -91.3 2 23.0 -68.5 102 45 518.1 518.1 316.2 518.1 0.00 44 37 22439 -63.9 -91.9 1 28.0 -64.4 101 50 537.2 537.2 317.3 537.2 0.00 45 30 23740 -58.9 -89.9 1 31.0 -59.9 95 57 584.1 584.1 319.9 584.1 0.00 46 28 24174 -57.9 -88.9 1 31.0 -59.2 95 60 598.5 598.5 320.5 598.5 0.01 47 27 24403 -58.5 -89.5 1 31.0 -59.7 95 61 603.1 603.1 320.7 603.1 0.00 TRP 109 16065 -77.1 -84.1 32 7.0 -77.1 255 15 369.5 369.5 300.5 369.6 0.00 WND Sounding variables and indices 1000-500 mb thick: 5767.00 m Freezing level: 572.61 mb = 4801.76 m = 15753.60 ft Wetbulb zero: 589.14 mb = 4564.77 m = 14976.09 ft Precipitable water: 2.21 inches Sfc-500 mean rel hum: 84.15 % Est. max temperature: 32.18 C = 89.93 F Sfc-Lift cond lev (LCL): 988.83 mb = 201.41 m = 660.80 ft T: 22.73 C 700-500 lapse rate: 5.72 C/km ThetaE index: 7.76 C Layer 850.0- 700.0 mb Conv cond level (CCL): 850.29 mb = 1515.02 m = 4970.46 ft Mean mixing ratio: 15.65 g/kg Conv temperature: 32.31 C = 90.15 F Cap Strength: 2.25 C Lifted Index: -1.69 C Risk: Thunderstorms probable Lifted Index @300 mb: -1.24 C Lifted Index @700 mb: -0.14 C Showalter Index: -1.22 C Risk: Thunderstorms probable Total Totals Index: 46.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.50 C Cross Totals Index: 21.70 C K Index: 37.20 Risk: > 80 % chance of thunderstorms Sweat Index: 210.80 Risk: None Energy Index: -1.08 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 439.29 J/kg Max Up Vert Vel: 29.64 m/s Conv Inhibition (B-): 106.69 J/kg Cap Strength: 2.25 C Lift Cond Lev (LCL): 919.86 mb = 834.24 m = 2736.98 ft Lev Free Conv (LFC): 704.86 mb = 3101.69 m = 10176.04 ft Equ Level (EL): 214.86 mb = 11946.28 m = 39193.35 ft B at Equ Level: 437.68 J/kg Max Parcel Lev (MPL): 134.86 mb = 14814.36 m = 48602.97 ft Wind level data Storm motion: 137 at 5 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 1003 85 140 3 -1.9 2.3 | 313 2 1.3 -1.2 1 1000 103 100 4 -3.9 0.7 | 14 3 -0.7 -2.8 2 977 305 85 10 -10.0 -0.9 | 57 8 -6.7 -4.4 3 944 610 65 13 -11.8 -5.5 | 43 12 -8.6 -9.0 4 925 786 70 13 -12.2 -4.4 | 48 12 -9.0 -8.0 5 911 914 55 14 -11.5 -8.0 | 35 14 -8.2 -11.6 6 850 1518 55 10 -8.2 -5.7 | 28 11 -5.0 -9.3 7 790 2134 100 7 -6.9 1.2 | 58 4 -3.7 -2.3 8 762 2438 120 5 -4.3 2.5 | 47 2 -1.1 -1.0 9 700 3160 150 4 -2.0 3.5 | 273 1 1.2 -0.1 10 610 4267 190 4 0.7 3.9 | 264 4 3.9 0.4 11 545 5182 210 3 1.5 2.6 | 281 5 4.7 -0.9 12 500 5870 220 6 3.9 4.6 | 261 7 7.1 1.1 13 485 6096 210 8 4.0 6.9 | 245 8 7.2 3.4 14 400 7580 185 12 1.0 12.0 | 207 9 4.3 8.4 15 398 7620 185 11 1.0 11.0 | 209 9 4.2 7.4 16 366 8230 165 11 -2.8 10.6 | 183 7 0.4 7.1 17 300 9680 150 10 -5.0 8.7 | 161 5 -1.8 5.1 18 284 10058 155 10 -4.2 9.1 | 170 6 -1.0 5.5 19 272 10363 125 5 -4.1 2.9 | 53 1 -0.9 -0.7 20 250 10940 105 12 -11.6 3.1 | 87 8 -8.4 -0.4 21 249 10973 100 10 -9.8 1.7 | 75 7 -6.6 -1.8 22 238 11278 120 12 -10.4 6.0 | 109 8 -7.2 2.5 23 227 11582 85 14 -13.9 -1.2 | 66 12 -10.7 -4.7 24 200 12410 75 18 -17.4 -4.7 | 60 16 -14.2 -8.2 25 179 13106 80 19 -18.7 -3.3 | 66 17 -15.5 -6.8 26 170 13411 55 20 -16.4 -11.5 | 41 20 -13.2 -15.0 27 162 13716 55 26 -21.3 -14.9 | 44 26 -18.1 -18.4 28 150 14180 80 28 -27.6 -4.9 | 71 26 -24.3 -8.4 29 146 14326 80 29 -28.6 -5.0 | 71 27 -25.3 -8.6 30 139 14630 80 25 -24.6 -4.3 | 70 23 -21.4 -7.9 31 132 14935 320 12 7.7 -9.2 | 319 17 10.9 -12.7 32 125 15240 270 18 18.0 -0.0 | 279 22 21.2 -3.5 33 109 16065 255 15 14.5 3.9 | 269 18 17.7 0.4 34 107 16154 240 18 15.6 9.0 | 254 20 18.8 5.5 35 102 16459 260 17 16.7 3.0 | 272 20 20.0 -0.6 36 100 16560 260 29 28.6 5.0 | 267 32 31.8 1.5 37 97 16764 260 29 28.6 5.0 | 267 32 31.8 1.5 38 82 17678 265 17 16.9 1.5 | 276 20 20.2 -2.0 39 74 18288 305 16 13.1 -9.2 | 308 21 16.3 -12.7 40 70 18593 295 18 16.3 -7.6 | 300 22 19.5 -11.1 41 70 18630 275 14 13.9 -1.2 | 285 18 17.2 -4.7 42 67 18898 275 14 13.9 -1.2 | 285 18 17.2 -4.7 43 64 19202 215 15 8.6 12.3 | 233 15 11.8 8.8 44 57 19812 200 11 3.8 10.3 | 226 10 7.0 6.8 45 54 20117 85 13 -13.0 -1.1 | 64 11 -9.7 -4.7 46 52 20422 100 13 -12.8 2.3 | 82 10 -9.6 -1.3 47 50 20610 85 18 -17.9 -1.6 | 71 16 -14.7 -5.1 48 49 20726 95 10 -10.0 0.9 | 68 7 -6.7 -2.7 49 44 21336 85 35 -34.9 -3.1 | 78 32 -31.6 -6.6 50 42 21641 105 37 -35.7 9.6 | 101 33 -32.5 6.1 51 36 22555 100 52 -51.2 9.0 | 97 48 -48.0 5.5 52 30 23740 95 57 -56.8 5.0 | 92 54 -53.6 1.4 53 26 24384 95 63 -62.8 5.5 | 92 60 -59.5 2.0 54 24 24689 95 62 -61.8 5.4 | 92 59 -58.5 1.9 Wind Parameters Mean winds (0-6000m): 107.5 at 6.4 knts Storm direction: 137.5 at 4.8 knts Shear (0-3000m) pos: 2.3 neg: 2.2 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): -38.3 deg Storm rel helicity (0-3000m) pos: 14.0 neg: -20.7 tot: -6.7 m^2/s^2 ave: -2.2 10^-3 m/s^2 rel: 0.08 Storm rel vorticity (0-3000m) horiz: 5.9 stream: 0.5 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 153.71 Bulk Shear: 2.86 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 80 9 49 8| 0.0 12.6 12.6| 3.7 -5.5 -1.9 -3.8 0.29| 14.4 4.2 1000 69 11 44 10| 0.0 6.7 6.7| 6.2 -17.0 -10.8 -10.8 0.08| 9.9 0.8 1500 64 11 39 11| 1.1 4.4 5.6| 7.6 -20.3 -12.8 -8.5 0.04| 7.9 0.3 2000 66 11 40 10| 2.3 3.3 5.6| 13.8 -20.3 -6.6 -3.3 0.14| 7.4 1.0 2500 71 10 42 9| 2.5 2.7 5.2| 14.0 -20.6 -6.6 -2.6 0.12| 6.7 0.8 3000 76 9 43 8| 2.3 2.2 4.6| 14.0 -20.7 -6.7 -2.2 0.08| 5.9 0.5 4000 86 7 46 6| 2.0 1.7 3.7| 14.1 -20.9 -6.8 -1.7 0.06| 4.8 0.3 5000 95 7 49 5| 1.6 1.3 2.9| 15.6 -20.9 -5.3 -1.1 0.09| 4.0 0.4 6000 107 6 61 3| 1.5 0.9 2.4| 15.7 -27.9 -12.2 -2.0 -0.00| 3.8 -0.0 Wrote GIF file: /home/apache/climate/data/raob//SBTT/skewt/SBTT.skewt.20251015.12.gif