UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101400.upa.cvt Date: 0000Z 14 OCT 25 Searching for SBTT... Searching the city database file for: SBTT ... Date:0000Z 14 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 ------------------------------------------------------------------------------- 0 1000 74 140 2 SFC 999 85 28.0 23.0 74 5.0 24.3 140 2 301.2 304.5 297.5 354.2 17.98 2 925 765 23.6 20.8 84 2.8 21.6 110 1 303.4 306.6 297.4 353.8 16.95 3 879 1210 20.4 19.0 92 1.4 19.4 60 7 304.6 307.5 297.1 352.1 15.93 4 850 1501 19.6 12.6 64 7.0 15.0 40 12 306.7 308.7 294.1 339.4 10.85 5 814 1873 17.6 9.6 59 8.0 12.6 33 13 308.4 310.1 293.4 336.5 9.26 6 741 2669 11.2 7.9 80 3.3 9.2 338 3 309.8 311.5 293.7 337.5 9.06 7 725 2851 10.6 8.8 89 1.8 9.5 319 4 311.1 313.0 294.7 341.4 9.86 8 705 3085 10.0 4.0 66 6.0 6.5 296 4 312.9 314.3 293.2 335.5 7.25 9 700 3144 9.8 3.8 66 6.0 6.3 290 4 313.3 314.7 293.3 335.8 7.20 10 613 4232 3.0 0.2 82 2.8 1.5 68 6 317.6 318.9 293.8 337.8 6.35 11 500 5860 -4.5 -9.5 68 5.0 -6.8 140 10 327.6 328.3 294.3 340.1 3.72 12 462 6481 -7.7 -14.7 57 7.0 -10.5 174 7 331.1 331.6 294.4 340.2 2.65 13 403 7533 -14.7 -18.9 70 4.2 -16.2 270 3 335.2 335.6 295.0 342.7 2.13 14 400 7590 -14.9 -19.7 67 4.8 -16.5 275 3 335.6 336.0 295.0 342.8 2.01 15 340 8798 -22.9 -30.9 48 8.0 -24.6 291 7 340.7 340.9 295.3 343.9 0.86 16 300 9700 -30.3 -39.3 41 9.0 -31.6 260 8 342.7 342.8 295.4 344.3 0.42 17 291 9916 -32.5 -41.5 40 9.0 -33.6 247 7 342.5 342.6 295.3 343.9 0.35 18 259 10728 -38.9 -50.9 27 12.0 -39.8 200 4 344.7 344.8 295.6 345.3 0.14 19 250 10970 -41.1 -51.1 33 10.0 -41.8 185 3 345.0 345.0 295.6 345.5 0.14 20 241 11217 -43.3 -53.3 32 10.0 -43.9 187 4 345.3 345.3 295.7 345.8 0.11 21 232 11471 -45.7 -49.4 66 3.7 -45.9 188 6 345.4 345.5 295.8 346.2 0.18 22 208 12187 -51.7 -62.7 26 11.0 -52.0 193 10 347.0 347.0 296.0 347.2 0.04 23 200 12440 -53.9 -61.9 37 8.0 -54.1 195 12 347.4 347.4 296.1 347.6 0.05 24 191 12733 -56.7 -62.7 47 6.0 -56.8 194 13 347.5 347.5 296.1 347.7 0.04 25 181 13071 -59.5 -65.5 46 6.0 -59.6 185 16 348.3 348.3 296.3 348.5 0.03 26 166 13606 -63.3 -75.3 18 12.0 -63.4 170 19 350.7 350.7 296.8 350.8 0.01 27 150 14220 -68.5 -72.6 55 4.1 -68.5 170 24 352.1 352.1 297.1 352.1 0.01 28 148 14301 -69.1 -73.1 56 4.0 -69.1 174 25 352.4 352.4 297.1 352.5 0.01 29 144 14465 -70.1 -77.1 35 7.0 -70.1 171 24 353.4 353.4 297.4 353.5 0.01 30 140 14633 -70.1 -82.1 16 12.0 -70.1 165 21 356.3 356.3 298.0 356.3 0.00 31 133 14938 -71.3 -83.3 15 12.0 -71.3 134 21 359.4 359.4 298.6 359.4 0.00 32 101 16534 -80.3 -85.3 43 5.0 -80.3 326 10 371.5 371.5 300.8 371.5 0.00 33 100 16590 -80.5 -85.2 45 4.7 -80.5 315 10 372.2 372.2 300.9 372.2 0.00 34 94 16936 -82.3 -85.2 61 2.9 -82.3 275 17 375.3 375.3 301.5 375.3 0.00 35 81 17777 -77.5 -86.5 22 9.0 -77.5 247 27 401.5 401.5 305.4 401.5 0.00 36 72 18456 -74.1 -88.1 10 14.0 -74.2 247 37 422.4 422.4 308.0 422.5 0.00 37 70 18620 -73.7 -88.7 8 15.0 -73.7 260 27 426.7 426.7 308.5 426.7 0.00 38 63 19233 -75.7 -88.7 11 13.0 -75.7 264 31 435.4 435.4 309.4 435.4 0.00 39 54 20140 -69.7 -90.7 3 21.0 -69.8 170 13 468.8 468.8 312.5 468.8 0.00 40 50 20600 -68.9 -91.9 2 23.0 -69.1 50 18 481.1 481.1 313.5 481.1 0.00 41 49 20722 -66.5 -90.5 2 24.0 -66.8 50 18 489.6 489.6 314.2 489.6 0.00 42 48 20847 -65.7 -90.7 2 25.0 -66.0 50 18 494.4 494.4 314.5 494.4 0.00 43 44 21373 -68.1 -91.1 2 23.0 -68.3 74 27 501.0 501.0 315.0 501.0 0.00 44 32 23321 -61.1 -89.1 1 28.0 -61.9 91 39 567.5 567.5 319.0 567.5 0.00 45 30 23720 -62.9 -89.9 1 27.0 -63.6 100 46 573.2 573.2 319.3 573.2 0.00 46 29 23929 -62.9 -90.9 1 28.0 -63.6 105 45 578.7 578.8 319.6 578.8 0.00 47 21 25966 -53.3 -86.3 1 33.0 -55.8 96 71 663.7 663.7 323.2 663.8 0.01 48 20 26280 -53.5 -86.5 1 33.0 -56.1 100 76 672.4 672.4 323.5 672.5 0.01 49 18 26955 -55.1 -87.4 1 32.4 -57.5 95 79 688.1 688.1 324.0 688.2 0.01 50 17 27320 -55.9 -87.9 1 32.0 -58.2 95 79 696.7 696.7 324.3 696.8 0.01 51 16 27708 -53.3 -87.3 1 34.0 -56.3 92 79 717.4 717.4 325.0 717.5 0.01 TRP 94 16936 -82.3 -85.2 61 2.9 -82.3 275 17 375.3 375.3 301.5 375.3 0.00 WND 18 26955 -55.1 -87.4 1 32.4 -57.5 95 79 688.1 688.1 324.0 688.2 0.01 Sounding variables and indices 1000-500 mb thick: 5786.00 m Freezing level: 567.80 mb = 4883.35 m = 16021.30 ft Wetbulb zero: 592.69 mb = 4501.36 m = 14768.08 ft Precipitable water: 2.12 inches Sfc-500 mean rel hum: 75.11 % Est. max temperature: 33.49 C = 92.28 F Sfc-Lift cond lev (LCL): 929.36 mb = 723.50 m = 2373.66 ft T: 23.87 C 700-500 lapse rate: 5.27 C/km ThetaE index: 17.65 C Layer 925.0- 741.0 mb Conv cond level (CCL): 864.50 mb = 1354.40 m = 4443.52 ft Mean mixing ratio: 17.25 g/kg Conv temperature: 32.38 C = 90.28 F Cap Strength: 1.26 C Lifted Index: -2.88 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.98 C Lifted Index @700 mb: -1.82 C Showalter Index: 2.57 C Risk: Showers probable Total Totals Index: 41.20 C Risk: None Vertical Totals Index: 24.10 C Cross Totals Index: 17.10 C K Index: 30.70 Risk: 60-80 % chance of thunderstorms Sweat Index: 185.20 Risk: None Energy Index: 0.11 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1543.09 J/kg Max Up Vert Vel: 55.55 m/s Conv Inhibition (B-): 31.37 J/kg Cap Strength: 1.26 C Lift Cond Lev (LCL): 901.29 mb = 991.64 m = 3253.37 ft Lev Free Conv (LFC): 796.29 mb = 2059.23 m = 6755.91 ft Equ Level (EL): 136.29 mb = 14792.45 m = 48531.07 ft B at Equ Level: 1497.46 J/kg Max Parcel Lev (MPL): 76.29 mb = 18122.02 m = 59454.71 ft Wind level data Storm motion: 103 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 ---------------------------------------------------------- 0 999 85 140 2 -1.3 1.5 | 262 3 3.3 0.5 1 974 305 235 1 0.8 0.6 | 275 5 5.5 -0.5 2 941 610 115 2 -1.8 0.8 | 275 3 2.8 -0.2 3 925 765 110 1 -0.9 0.3 | 281 4 3.7 -0.7 4 909 914 80 2 -2.0 -0.3 | 298 3 2.7 -1.4 5 850 1501 40 12 -7.7 -9.2 | 17 11 -3.1 -10.3 6 848 1524 50 13 -10.0 -8.4 | 29 11 -5.3 -9.4 7 818 1829 35 14 -8.0 -11.5 | 15 13 -3.4 -12.5 8 789 2134 20 8 -2.7 -7.5 | 348 9 1.9 -8.6 9 761 2438 360 3 -0.0 -3.0 | 311 6 4.6 -4.1 10 700 3144 290 4 3.8 -1.4 | 286 9 8.4 -2.4 11 609 4267 75 6 -5.8 -1.6 | 24 3 -1.2 -2.6 12 504 5791 140 10 -6.4 7.7 | 165 7 -1.8 6.6 13 500 5860 140 10 -6.4 7.7 | 165 7 -1.8 6.6 14 485 6096 140 8 -5.1 6.1 | 174 5 -0.5 5.1 15 400 7590 275 3 3.0 -0.3 | 280 8 7.6 -1.3 16 367 8230 0 0 -0.0 -0.0 | 283 5 4.6 -1.1 17 324 9144 245 11 10.0 4.6 | 256 15 14.6 3.6 18 300 9700 260 8 7.9 1.4 | 269 13 12.5 0.3 19 250 10970 185 3 0.3 3.0 | 249 5 4.9 1.9 20 200 12440 195 12 3.1 11.6 | 216 13 7.7 10.5 21 198 12497 190 10 1.7 9.8 | 216 11 6.4 8.8 22 189 12802 195 14 3.6 13.5 | 214 15 8.3 12.4 23 171 13411 170 18 -3.1 17.7 | 185 17 1.5 16.6 24 150 14220 170 24 -4.2 23.6 | 181 23 0.5 22.6 25 147 14326 175 26 -2.3 25.9 | 185 25 2.4 24.8 26 140 14630 165 21 -5.4 20.3 | 178 19 -0.8 19.2 27 126 15240 100 22 -21.7 3.8 | 99 17 -17.0 2.7 28 114 15850 90 12 -12.0 0.0 | 82 7 -7.4 -1.1 29 100 16590 315 10 7.1 -7.1 | 305 14 11.7 -8.1 30 97 16764 315 10 7.1 -7.1 | 305 14 11.7 -8.1 31 94 16936 275 17 16.9 -1.5 | 277 22 21.6 -2.6 32 87 17374 240 17 14.7 8.5 | 249 21 19.4 7.4 33 74 18288 255 40 38.6 10.4 | 258 44 43.3 9.3 34 70 18593 240 34 29.4 17.0 | 245 38 34.1 15.9 35 70 18620 260 27 26.6 4.7 | 263 31 31.2 3.6 36 63 19202 265 31 30.9 2.7 | 267 36 35.5 1.6 37 60 19507 255 27 26.1 7.0 | 259 31 30.7 5.9 38 54 20117 180 13 0.0 13.0 | 201 13 4.6 11.9 39 52 20422 80 11 -10.8 -1.9 | 64 7 -6.2 -3.0 40 50 20600 50 18 -13.8 -11.6 | 36 16 -9.2 -12.6 41 47 21031 50 18 -13.8 -11.6 | 36 16 -9.2 -12.6 42 44 21336 75 25 -24.1 -6.5 | 69 21 -19.5 -7.5 43 40 21946 60 49 -42.4 -24.5 | 56 46 -37.8 -25.6 44 38 22250 60 47 -40.7 -23.5 | 56 44 -36.1 -24.6 45 36 22555 95 40 -39.8 3.5 | 94 35 -35.2 2.4 46 31 23470 90 39 -39.0 0.0 | 88 34 -34.4 -1.1 47 30 23720 100 46 -45.3 8.0 | 100 41 -40.7 6.9 48 30 23774 110 43 -40.4 14.7 | 111 38 -35.8 13.6 49 26 24689 80 52 -51.2 -9.0 | 78 48 -46.6 -10.1 50 20 26280 100 76 -74.8 13.2 | 100 71 -70.2 12.1 51 19 26518 100 70 -68.9 12.2 | 100 65 -64.3 11.1 52 18 26955 95 79 -78.7 6.9 | 94 74 -74.1 5.8 53 17 27127 95 79 -78.7 6.9 | 94 74 -74.1 5.8 54 13 28042 85 79 -78.7 -6.9 | 84 74 -74.1 -8.0 Wind Parameters Mean winds (0-6000m): 73.1 at 6.3 knts Storm direction: 103.1 at 4.8 knts Shear (0-3000m) pos: 0.0 neg: 1.0 tot: 1.0 10-3/s Storm rel Dir Shear (0-3000m): 26.6 deg Storm rel helicity (0-3000m) pos: 11.3 neg: -40.0 tot: -28.7 m^2/s^2 ave: -9.6 10^-3 m/s^2 rel: -0.20 Storm rel vorticity (0-3000m) horiz: 6.6 stream: -1.3 10^-3/s Energy-Hel index: 0.11 Bulk Rich Number: 279.01 Bulk Shear: 5.53 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 ------------------------------------------------------------------------------- 500 161 1 266 4| 0.0 0.5 0.5| 1.6 -1.1 0.5 1.0 0.10| 5.3 0.5 1000 107 2 281 3| 0.0 2.4 2.4| 4.8 -1.1 3.7 3.7 0.48| 5.3 2.5 1500 55 4 343 4| 0.0 4.6 4.6| 11.3 -2.2 9.1 6.1 0.38| 6.9 2.6 2000 44 6 359 6| 0.0 2.6 2.6| 11.3 -22.6 -11.3 -5.6 0.03| 7.3 0.2 2500 39 6 352 6| 0.0 1.0 1.0| 11.3 -34.6 -23.3 -9.3 -0.14| 7.3 -1.0 3000 32 6 345 6| 0.0 1.0 1.0| 11.3 -40.0 -28.7 -9.6 -0.20| 6.6 -1.3 4000 28 5 341 6| 1.1 0.7 1.8| 28.6 -40.1 -11.5 -2.9 0.02| 6.3 0.1 5000 47 6 355 5| 1.2 0.6 1.8| 33.6 -40.1 -6.5 -1.3 0.13| 5.8 0.8 6000 73 6 26 3| 1.0 0.5 1.5| 40.2 -40.1 0.1 0.0 0.19| 5.4 1.0 Wrote GIF file: /home/apache/climate/data/raob//SBTT/skewt/SBTT.skewt.20251014.00.gif