UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120700.upa.cvt Date: 0000Z 7 DEC 25 Searching for SBTS... Searching the city database file for: SBTS ... Date:0000Z 7 DEC 25 Station: SBTS WMO ident: 82026 Latitude: 2.23 Longitude: -55.95 Elevation: 344.00 ------------------------------------------------------------------------------- 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 88 SFC 971 344 26.8 17.8 58 9.0 20.6 10 3 302.5 304.9 294.8 341.9 13.32 2 966 390 28.0 17.0 51 11.0 20.4 14 5 304.1 306.5 294.8 342.0 12.72 3 925 779 25.4 16.4 57 9.0 19.2 35 18 305.3 307.7 295.1 343.5 12.78 4 850 1517 19.6 13.6 68 6.0 15.6 70 16 306.7 308.8 294.7 341.6 11.60 5 743 2658 10.8 8.0 83 2.8 9.1 131 11 309.1 310.8 293.6 336.9 9.10 6 700 3155 9.6 -0.4 50 10.0 4.2 115 8 313.1 314.1 291.7 329.8 5.31 7 694 3226 9.6 -2.4 43 12.0 3.4 113 8 313.9 314.8 291.3 328.5 4.62 8 678 3420 8.8 -0.2 53 9.0 3.9 109 7 315.1 316.2 292.4 332.7 5.57 9 625 4088 4.2 0.1 75 4.1 2.0 94 5 317.3 318.4 293.6 336.9 6.18 10 614 4232 3.4 -5.6 52 9.0 -0.9 91 4 317.9 318.7 292.0 331.2 4.10 11 584 4636 0.4 -1.2 89 1.6 -0.4 69 3 319.0 320.2 293.9 338.3 6.01 12 581 4678 0.0 -1.7 88 1.7 -0.9 67 3 319.0 320.2 293.7 337.7 5.82 13 565 4901 -0.3 -9.3 51 9.0 -4.3 54 2 321.2 321.9 292.3 332.3 3.35 14 531 5396 -3.1 -8.1 68 5.0 -5.4 24 1 323.6 324.4 293.4 336.6 3.91 15 511 5699 -4.9 -13.9 49 9.0 -8.5 6 0 325.0 325.5 292.7 333.7 2.56 16 503 5823 -5.5 -8.3 81 2.8 -6.8 68 1 325.8 326.6 294.1 339.3 4.07 17 500 5870 -5.7 -9.6 74 3.9 -7.4 175 2 326.1 326.8 293.9 338.5 3.69 18 400 7590 -14.5 -30.5 24 16.0 -18.4 310 5 336.1 336.3 294.1 339.0 0.75 19 396 7666 -14.9 -29.9 27 15.0 -18.6 311 5 336.6 336.8 294.2 339.6 0.81 20 385 7879 -16.7 -26.7 42 10.0 -19.3 314 5 336.9 337.2 294.6 341.1 1.12 21 337 8869 -23.3 -46.3 10 23.0 -26.3 297 6 341.0 341.1 294.7 341.7 0.18 22 300 9710 -30.5 -51.5 11 21.0 -32.4 265 8 342.4 342.4 295.0 342.9 0.11 23 250 10970 -41.5 -53.5 26 12.0 -42.2 140 11 344.4 344.4 295.4 344.8 0.10 24 233 11443 -45.5 -51.5 51 6.0 -45.8 138 13 345.3 345.3 295.7 345.9 0.14 25 211 12094 -51.1 -58.1 43 7.0 -51.3 131 22 346.5 346.5 295.9 346.8 0.07 26 202 12376 -53.1 -67.1 17 14.0 -53.4 137 30 347.7 347.7 296.1 347.8 0.02 27 200 12440 -53.7 -65.7 22 12.0 -53.9 140 32 347.7 347.7 296.1 347.8 0.03 28 189 12801 -56.9 -62.9 47 6.0 -57.1 142 37 348.2 348.3 296.3 348.4 0.04 29 178 13178 -59.9 -67.9 34 8.0 -60.0 144 43 349.4 349.4 296.5 349.5 0.02 30 173 13355 -60.5 -75.5 12 15.0 -60.6 145 46 351.2 351.2 296.9 351.3 0.01 31 167 13574 -61.9 -66.9 51 5.0 -62.0 148 43 352.5 352.5 297.2 352.6 0.03 32 163 13724 -62.7 -77.7 12 15.0 -62.8 151 40 353.6 353.6 297.4 353.6 0.01 33 150 14230 -67.5 -77.5 23 10.0 -67.5 160 27 353.8 353.8 297.4 353.8 0.01 34 115 15787 -78.5 -84.5 37 6.0 -78.5 210 23 361.3 361.3 299.0 361.3 0.00 35 109 16095 -75.3 -85.3 19 10.0 -75.3 245 23 372.9 372.9 301.1 372.9 0.00 36 101 16533 -78.1 -88.1 18 10.0 -78.1 268 23 375.8 375.8 301.5 375.8 0.00 37 100 16590 -78.3 -88.3 18 10.0 -78.3 270 23 376.4 376.4 301.6 376.5 0.00 38 85 17512 -82.5 -90.5 24 8.0 -82.5 250 9 385.9 385.9 303.2 385.9 0.00 39 79 17925 -79.7 -88.7 21 9.0 -79.7 170 11 399.8 399.8 305.2 399.8 0.00 40 73 18372 -81.7 -89.7 24 8.0 -81.7 264 4 404.7 404.7 305.8 404.7 0.00 41 70 18610 -78.7 -87.7 22 9.0 -78.7 285 22 416.0 416.0 307.2 416.0 0.00 42 66 18944 -79.3 -89.3 18 10.0 -79.3 288 23 421.8 421.8 307.9 421.8 0.00 43 63 19210 -74.7 -87.7 12 13.0 -74.7 302 21 437.6 437.6 309.6 437.6 0.00 44 57 19789 -75.9 -88.9 11 13.0 -76.0 237 21 447.5 447.5 310.6 447.6 0.00 45 50 20550 -73.1 -90.1 6 17.0 -73.2 115 18 471.2 471.2 312.7 471.2 0.00 46 42 21580 -70.1 -91.1 3 21.0 -70.3 83 44 502.8 502.8 315.1 502.8 0.00 47 40 21874 -64.9 -89.9 2 25.0 -65.3 87 46 522.9 522.9 316.5 522.9 0.00 48 35 22690 -64.5 -90.5 2 26.0 -65.0 89 51 544.3 544.3 317.8 544.3 0.00 49 32 23236 -65.9 -90.9 2 25.0 -66.3 72 56 554.7 554.7 318.3 554.7 0.00 50 30 23630 -64.1 -90.1 2 26.0 -64.7 80 59 569.9 569.9 319.2 569.9 0.00 51 24 25011 -56.1 -86.5 1 30.4 -57.8 90 76 630.8 630.8 321.9 630.9 0.01 52 20 26180 -49.5 -83.5 1 34.0 -53.1 90 69 684.7 684.7 323.9 684.8 0.02 53 14 28541 -44.9 -81.9 1 37.0 -51.3 98 49 773.8 773.8 326.6 774.1 0.03 54 13 29040 -41.1 -80.1 1 39.0 -49.6 100 34 803.5 803.5 327.3 804.0 0.05 TRP 85 17512 -82.5 -90.5 24 8.0 -82.5 250 9 385.9 385.9 303.2 385.9 0.00 WND 24 25011 -56.1 -86.5 1 30.4 -57.8 90 76 630.8 630.8 321.9 630.9 0.01 Sounding variables and indices 1000-500 mb thick: 5782.00 m Freezing level: 581.00 mb = 4677.79 m = 15346.89 ft Wetbulb zero: 617.59 mb = 4184.73 m = 13729.27 ft Precipitable water: 1.64 inches Sfc-500 mean rel hum: 65.18 % Est. max temperature: 31.61 C = 88.90 F Sfc-Lift cond lev (LCL): 851.57 mb = 1500.89 m = 4924.11 ft T: 19.73 C 700-500 lapse rate: 5.64 C/km ThetaE index: 14.99 C Layer 850.0- 678.0 mb Conv cond level (CCL): 772.26 mb = 2330.63 m = 7646.32 ft Mean mixing ratio: 12.55 g/kg Conv temperature: 32.71 C = 90.89 F Cap Strength: 2.25 C Lifted Index: -0.04 C Risk: Thunderstorms probable Lifted Index @300 mb: 1.94 C Lifted Index @700 mb: 1.08 C Showalter Index: 0.43 C Risk: Thunderstorms probable Total Totals Index: 44.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.30 C Cross Totals Index: 19.30 C K Index: 28.90 Risk: 40-60 % chance of thunderstorms Sweat Index: 197.20 Risk: None Energy Index: -0.66 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 23.66 J/kg Max Up Vert Vel: 6.88 m/s Conv Inhibition (B-): 113.42 J/kg Cap Strength: 2.25 C Lift Cond Lev (LCL): 808.06 mb = 1946.18 m = 6385.01 ft Lev Free Conv (LFC): 603.06 mb = 4377.20 m = 14360.71 ft Equ Level (EL): 493.06 mb = 5977.68 m = 19611.56 ft B at Equ Level: 23.35 J/kg Max Parcel Lev (MPL): 433.06 mb = 6977.82 m = 22892.83 ft Wind level data Storm motion: 117 at 6 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 ---------------------------------------------------------- 0 971 344 10 3 -0.5 -3.0 | 320 8 4.9 -5.7 1 943 610 35 12 -6.9 -9.8 | 7 13 -1.5 -12.6 2 925 779 35 18 -10.3 -14.7 | 16 18 -4.9 -17.5 3 911 914 45 20 -14.1 -14.1 | 27 19 -8.8 -16.9 4 880 1219 55 21 -17.2 -12.0 | 39 19 -11.8 -14.8 5 850 1517 70 16 -15.0 -5.5 | 49 13 -9.7 -8.3 6 849 1524 75 14 -13.5 -3.6 | 52 10 -8.1 -6.4 7 790 2134 115 13 -11.8 5.5 | 113 7 -6.4 2.7 8 762 2438 120 13 -11.3 6.5 | 122 7 -5.9 3.7 9 735 2743 135 10 -7.1 7.1 | 158 5 -1.7 4.3 10 700 3155 115 8 -7.3 3.4 | 108 2 -1.9 0.6 11 610 4267 90 4 -4.0 0.0 | 334 3 1.4 -2.8 12 505 5791 0 0 -0.0 -0.0 | 297 6 5.4 -2.8 13 500 5870 175 2 -0.2 2.0 | 279 5 5.2 -0.8 14 486 6096 180 3 0.0 3.0 | 268 5 5.4 0.2 15 400 7590 310 5 3.8 -3.2 | 303 11 9.2 -6.0 16 367 8230 320 4 2.6 -3.1 | 306 10 8.0 -5.9 17 300 9710 265 8 8.0 0.7 | 279 14 13.4 -2.1 18 285 10058 230 5 3.8 3.2 | 267 9 9.2 0.4 19 250 10970 140 11 -7.1 8.4 | 163 6 -1.7 5.6 20 250 10973 165 10 -2.6 9.7 | 202 7 2.8 6.9 21 239 11278 140 11 -7.1 8.4 | 163 6 -1.7 5.6 22 208 12192 130 23 -17.6 14.8 | 134 17 -12.2 12.0 23 200 12440 140 32 -20.6 24.5 | 145 27 -15.2 21.7 24 171 13411 145 47 -27.0 38.5 | 149 42 -21.6 35.7 25 150 14230 160 27 -9.2 25.4 | 170 23 -3.9 22.6 26 140 14630 160 25 -8.6 23.5 | 171 21 -3.2 20.7 27 133 14935 205 18 7.6 16.3 | 224 19 13.0 13.5 28 114 15850 210 23 11.5 19.9 | 225 24 16.9 17.1 29 108 16154 255 23 22.2 6.0 | 263 28 27.6 3.2 30 100 16590 270 23 23.0 -0.0 | 276 29 28.4 -2.8 31 97 16764 270 23 23.0 -0.0 | 276 29 28.4 -2.8 32 92 17069 245 20 18.1 8.5 | 256 24 23.5 5.7 33 85 17512 250 9 8.5 3.1 | 269 14 13.8 0.3 34 83 17678 255 12 11.6 3.1 | 269 17 17.0 0.3 35 78 17983 150 11 -5.5 9.5 | 179 7 -0.1 6.7 36 74 18288 260 1 1.0 0.2 | 292 7 6.4 -2.6 37 70 18593 275 12 12.0 -1.0 | 282 18 17.3 -3.8 38 70 18610 285 22 21.3 -5.7 | 288 28 26.6 -8.5 39 67 18898 285 23 22.2 -6.0 | 288 29 27.6 -8.7 40 63 19202 305 21 17.2 -12.0 | 303 27 22.6 -14.8 41 60 19507 235 29 23.8 16.6 | 245 32 29.1 13.8 42 54 20117 240 11 9.5 5.5 | 260 15 14.9 2.7 43 50 20550 115 18 -16.3 7.6 | 114 12 -10.9 4.8 44 49 20726 115 13 -11.8 5.5 | 113 7 -6.4 2.7 45 46 21031 85 32 -31.9 -2.8 | 78 27 -26.5 -5.6 46 44 21336 80 42 -41.4 -7.3 | 74 37 -36.0 -10.1 47 36 22555 95 50 -49.8 4.4 | 92 44 -44.4 1.6 48 32 23165 70 56 -52.6 -19.2 | 65 52 -47.2 -21.9 49 30 23630 80 59 -58.1 -10.2 | 76 54 -52.7 -13.0 50 24 25011 90 76 -76.0 0.0 | 88 71 -70.6 -2.8 51 23 25298 90 76 -76.0 0.0 | 88 71 -70.6 -2.8 52 20 26180 90 69 -69.0 0.0 | 87 64 -63.6 -2.8 53 15 27127 95 69 -68.7 6.0 | 93 63 -63.4 3.2 54 13 27737 100 34 -33.5 5.9 | 96 28 -28.1 3.1 55 12 28042 75 21 -20.3 -5.4 | 61 17 -14.9 -8.2 56 11 28346 105 13 -12.6 3.4 | 95 7 -7.2 0.6 57 10 28651 140 10 -6.4 7.7 | 168 5 -1.0 4.9 58 9 28956 360 12 -0.0 -12.0 | 340 16 5.4 -14.8 59 9 29261 345 13 3.4 -12.6 | 330 18 8.7 -15.3 Wind Parameters Mean winds (0-6000m): 87.4 at 8.1 knts Storm direction: 117.4 at 6.1 knts Shear (0-3000m) pos: 1.9 neg: 0.6 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): 122.6 deg Storm rel helicity (0-3000m) pos: 108.7 neg: -2.4 tot: 106.3 m^2/s^2 ave: 35.4 10^-3 m/s^2 rel: 0.62 Storm rel vorticity (0-3000m) horiz: 8.8 stream: 5.4 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 2.06 Bulk Shear: 11.51 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 34 11 5 12| 16.9 0.0 16.9| 39.4 0.0 39.4 78.7 0.72| 17.5 12.7 1000 45 16 23 15| 8.8 0.0 8.8| 74.7 0.0 74.7 74.7 0.76| 13.2 10.0 1500 55 16 32 14| 4.7 0.0 4.7| 93.1 0.0 93.1 62.0 0.71| 12.7 8.9 2000 67 15 44 12| 3.7 0.0 3.7|102.8 0.0 102.8 51.4 0.74| 10.8 8.0 2500 76 14 54 10| 2.3 0.0 2.3|108.7 -0.6 108.1 43.2 0.72| 9.8 7.1 3000 82 13 58 9| 1.9 0.6 2.6|108.7 -2.4 106.3 35.4 0.62| 8.8 5.4 4000 85 11 57 7| 1.5 0.9 2.4|108.7 -4.0 104.7 26.2 0.51| 7.1 3.6 5000 84 9 47 5| 1.2 1.0 2.2|108.7 -7.2 101.5 20.3 0.44| 6.1 2.7 6000 87 8 40 4| 1.2 0.8 2.1|108.8 -12.7 96.1 16.0 0.34| 5.6 1.9 Wrote GIF file: /home/apache/climate/data/raob//SBTS/skewt/SBTS.skewt.20251207.00.gif