UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120612.upa.cvt Date: 1200Z 6 DEC 25 Searching for SBTS... Searching the city database file for: SBTS ... Date:1200Z 6 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 101 SFC 973 344 25.2 19.2 69 6.0 21.0 0 0 300.7 303.4 295.1 343.4 14.54 2 925 782 21.0 18.6 86 2.4 19.4 75 13 300.8 303.5 295.3 344.1 14.74 3 924 791 20.8 18.5 87 2.3 19.2 76 13 300.7 303.4 295.2 343.7 14.66 4 916 867 22.0 17.0 73 5.0 18.6 81 16 302.6 305.1 294.9 342.4 13.43 5 850 1518 18.8 11.8 64 7.0 14.3 100 20 305.8 307.8 293.5 336.7 10.28 6 836 1660 18.2 7.2 49 11.0 11.6 96 22 306.7 308.1 291.7 329.9 7.64 7 798 2057 16.0 11.0 72 5.0 12.8 94 22 308.4 310.4 294.3 340.0 10.39 8 752 2561 14.8 -5.2 25 20.0 4.9 97 11 312.4 313.1 289.8 323.4 3.45 9 700 3163 10.8 1.8 54 9.0 5.8 10 4 314.4 315.6 292.8 334.1 6.24 10 685 3343 9.2 2.2 62 7.0 5.2 33 4 314.6 315.9 293.1 335.2 6.56 11 662 3625 7.8 -3.2 46 11.0 2.2 69 3 316.1 317.0 291.9 330.7 4.56 12 599 4440 2.0 -1.7 76 3.7 0.1 123 2 318.6 319.7 293.5 336.7 5.65 13 591 4548 1.6 -2.9 72 4.5 -0.7 101 2 319.3 320.4 293.4 336.2 5.23 14 586 4617 2.0 -12.0 35 14.0 -3.9 87 1 320.6 321.1 291.5 329.2 2.60 15 582 4672 2.0 -15.0 27 17.0 -4.7 76 1 321.2 321.6 291.2 328.1 2.05 16 569 4854 0.6 -6.4 59 7.0 -2.7 38 1 321.7 322.5 293.2 335.3 4.17 17 548 5154 -1.1 -7.1 64 6.0 -3.9 69 4 323.1 323.9 293.5 336.6 4.10 18 508 5755 -4.3 -19.3 30 15.0 -9.5 159 11 326.3 326.6 292.3 332.0 1.63 19 500 5880 -5.1 -13.1 53 8.0 -8.4 165 11 326.8 327.4 293.4 336.3 2.79 20 496 5943 -5.7 -10.3 70 4.6 -7.7 172 10 326.8 327.5 294.0 338.7 3.52 21 489 6055 -5.9 -17.9 38 12.0 -10.2 185 9 327.9 328.3 292.9 334.6 1.91 22 486 6103 -6.5 -11.2 69 4.7 -8.5 190 8 327.8 328.4 294.1 339.1 3.35 23 479 6216 -7.5 -11.1 75 3.6 -9.0 196 8 327.9 328.6 294.2 339.5 3.42 24 420 7230 -13.7 -16.7 78 3.0 -14.8 246 5 332.5 333.0 294.6 341.1 2.47 25 400 7600 -16.1 -23.1 55 7.0 -18.1 265 4 334.1 334.4 294.1 339.4 1.49 26 380 7984 -18.3 -28.3 41 10.0 -20.7 265 6 336.1 336.3 294.3 339.7 0.98 27 349 8612 -23.5 -34.5 36 11.0 -25.5 256 9 337.4 337.5 294.2 339.6 0.59 28 324 9150 -28.1 -37.1 42 9.0 -29.5 224 8 338.3 338.4 294.3 340.1 0.49 29 313 9397 -28.3 -47.3 14 19.0 -30.4 202 6 341.3 341.4 294.8 342.0 0.17 30 309 9490 -28.9 -46.9 16 18.0 -30.9 194 6 341.7 341.8 294.9 342.5 0.18 31 300 9700 -30.7 -48.7 15 18.0 -32.5 175 4 342.1 342.1 295.0 342.7 0.15 32 260 10701 -39.5 -53.5 21 14.0 -40.4 191 5 343.5 343.5 295.3 343.9 0.10 33 250 10970 -40.9 -59.9 11 19.0 -41.8 195 5 345.3 345.3 295.6 345.5 0.05 34 237 11330 -43.9 -63.9 9 20.0 -44.6 188 9 346.0 346.1 295.8 346.2 0.03 35 229 11558 -46.1 -54.1 40 8.0 -46.5 151 13 346.1 346.1 295.8 346.6 0.11 36 200 12440 -54.3 -57.5 68 3.2 -54.4 140 26 346.8 346.8 296.0 347.1 0.08 37 197 12537 -55.1 -58.1 69 3.0 -55.2 139 27 347.0 347.0 296.0 347.3 0.08 38 179 13141 -60.3 -64.4 58 4.1 -60.4 135 34 348.1 348.2 296.3 348.3 0.04 39 175 13281 -61.1 -69.1 34 8.0 -61.2 138 33 349.1 349.1 296.4 349.2 0.02 40 166 13606 -63.9 -67.6 60 3.7 -64.0 144 31 349.7 349.7 296.6 349.8 0.03 41 159 13869 -65.9 -73.9 32 8.0 -66.0 149 30 350.7 350.7 296.8 350.7 0.01 42 150 14220 -68.7 -72.9 55 4.2 -68.7 155 28 351.7 351.7 297.0 351.8 0.01 43 148 14300 -69.3 -73.0 58 3.7 -69.3 154 27 352.1 352.1 297.1 352.1 0.01 44 118 15622 -78.7 -84.7 37 6.0 -78.7 227 11 358.3 358.3 298.4 358.3 0.00 45 108 16130 -76.1 -86.1 19 10.0 -76.2 227 19 372.4 372.4 301.0 372.4 0.00 46 101 16513 -79.1 -88.1 21 9.0 -79.1 221 31 373.8 373.8 301.2 373.8 0.00 47 100 16570 -79.5 -87.5 25 8.0 -79.5 220 33 374.1 374.1 301.3 374.1 0.00 48 86 17418 -82.3 -90.3 24 8.0 -82.3 190 9 385.0 385.0 303.1 385.0 0.00 49 78 17970 -77.7 -87.7 18 10.0 -77.7 35 11 405.4 405.4 305.9 405.4 0.00 50 70 18590 -77.3 -87.3 19 10.0 -77.3 315 26 419.0 419.0 307.6 419.0 0.00 51 64 19101 -78.7 -88.7 18 10.0 -78.7 307 31 426.8 426.8 308.5 426.8 0.00 52 61 19377 -73.7 -87.7 10 14.0 -73.7 314 20 443.8 443.8 310.3 443.9 0.00 53 54 20089 -72.3 -88.3 7 16.0 -72.4 309 3 462.8 462.8 312.0 462.8 0.00 54 50 20540 -73.3 -89.3 7 16.0 -73.4 75 17 470.8 470.8 312.7 470.8 0.00 55 48 20779 -73.9 -89.9 7 16.0 -74.0 77 15 474.9 474.9 313.0 474.9 0.00 56 46 21032 -67.7 -89.7 3 22.0 -67.9 85 33 495.6 495.6 314.7 495.6 0.00 57 41 21724 -68.9 -90.9 3 22.0 -69.1 75 49 509.2 509.2 315.6 509.2 0.00 58 30 23630 -61.3 -89.3 1 28.0 -62.1 90 54 577.5 577.5 319.5 577.6 0.00 59 27 24286 -59.9 -87.9 1 28.0 -60.9 87 55 599.1 599.1 320.6 599.2 0.01 TRP 86 17418 -82.3 -90.3 24 8.0 -82.3 190 9 385.0 385.0 303.1 385.0 0.00 WND Sounding variables and indices 1000-500 mb thick: 5779.00 m Freezing level: 561.59 mb = 4959.71 m = 16271.83 ft Wetbulb zero: 598.21 mb = 4450.45 m = 14601.04 ft Precipitable water: 1.54 inches Sfc-500 mean rel hum: 56.50 % Est. max temperature: 31.71 C = 89.08 F Sfc-Lift cond lev (LCL): 891.44 mb = 1103.82 m = 3621.42 ft T: 20.84 C 700-500 lapse rate: 5.85 C/km ThetaE index: 16.56 C Layer 752.0- 700.0 mb Conv cond level (CCL): 739.41 mb = 2702.79 m = 8867.31 ft Mean mixing ratio: 13.59 g/kg Conv temperature: 37.30 C = 99.14 F Cap Strength: 3.65 C Lifted Index: 0.74 C Risk: Showers probable Lifted Index @300 mb: 2.03 C Lifted Index @700 mb: 2.46 C Showalter Index: 3.08 C Risk: None Total Totals Index: 40.80 C Risk: None Vertical Totals Index: 23.90 C Cross Totals Index: 16.90 C K Index: 26.70 Risk: 40-60 % chance of thunderstorms Sweat Index: 192.60 Risk: None Energy Index: -0.05 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 21.20 J/kg Max Up Vert Vel: 6.51 m/s Conv Inhibition (B-): 19133.60 J/kg Cap Strength: 3.57 C Lift Cond Lev (LCL): 860.23 mb = 1413.88 m = 4638.64 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 132 at 7 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 ---------------------------------------------------------- 0 973 344 0 0 -0.0 -0.0 | 312 7 5.1 -4.6 1 944 610 75 11 -10.6 -2.8 | 37 9 -5.5 -7.4 2 925 782 75 13 -12.6 -3.4 | 43 11 -7.5 -8.0 3 911 914 85 18 -17.9 -1.6 | 64 14 -12.8 -6.2 4 850 1518 100 20 -19.7 3.5 | 86 15 -14.6 -1.1 5 849 1524 100 20 -19.7 3.5 | 86 15 -14.6 -1.1 6 819 1829 90 24 -24.0 0.0 | 76 19 -18.9 -4.6 7 790 2134 95 21 -20.9 1.8 | 80 16 -15.8 -2.8 8 763 2438 95 16 -15.9 1.4 | 74 11 -10.8 -3.2 9 736 2743 100 4 -3.9 0.7 | 344 4 1.2 -3.9 10 700 3163 10 4 -0.7 -3.9 | 333 10 4.4 -8.5 11 611 4267 155 2 -0.8 1.8 | 303 5 4.2 -2.8 12 566 4877 30 1 -0.5 -0.9 | 320 7 4.6 -5.5 13 506 5791 165 11 -2.8 10.6 | 200 6 2.2 6.0 14 500 5880 165 11 -2.8 10.6 | 200 6 2.2 6.0 15 486 6096 190 8 1.4 7.9 | 243 7 6.5 3.3 16 400 7600 265 4 4.0 0.3 | 295 10 9.1 -4.2 17 367 8230 265 7 7.0 0.6 | 288 13 12.1 -4.0 18 338 8839 250 10 9.4 3.4 | 275 15 14.5 -1.2 19 300 9700 175 4 -0.3 4.0 | 277 5 4.7 -0.6 20 250 10970 195 5 1.3 4.8 | 268 6 6.4 0.2 21 250 10973 245 3 2.7 1.3 | 293 8 7.8 -3.3 22 228 11582 145 14 -8.0 11.5 | 157 7 -2.9 6.9 23 200 12440 140 26 -16.7 19.9 | 143 19 -11.6 15.3 24 180 13106 135 34 -24.0 24.0 | 136 27 -19.0 19.4 25 150 14220 155 28 -11.8 25.4 | 162 22 -6.7 20.8 26 133 14935 145 16 -9.2 13.1 | 154 9 -4.1 8.5 27 126 15240 210 13 6.5 11.3 | 240 13 11.6 6.7 28 119 15545 235 11 9.0 6.3 | 263 14 14.1 1.7 29 113 15850 200 12 4.1 11.3 | 234 11 9.2 6.7 30 107 16154 230 20 15.3 12.9 | 248 22 20.4 8.3 31 100 16570 220 33 21.2 25.3 | 232 33 26.3 20.7 32 97 16764 220 35 22.5 26.8 | 231 35 27.6 22.2 33 87 17374 235 14 11.5 8.0 | 258 17 16.6 3.4 34 86 17418 190 9 1.6 8.9 | 237 8 6.7 4.3 35 82 17678 210 11 5.5 9.5 | 245 12 10.6 4.9 36 78 17983 30 11 -5.5 -9.5 | 2 14 -0.4 -14.1 37 74 18288 355 12 1.0 -12.0 | 340 18 6.1 -16.6 38 70 18590 315 26 18.4 -18.4 | 314 33 23.5 -23.0 39 63 19202 305 32 26.2 -18.4 | 306 39 31.3 -23.0 40 60 19507 320 12 7.7 -9.2 | 317 19 12.8 -13.8 41 57 19812 290 11 10.3 -3.8 | 298 18 15.4 -8.4 42 54 20117 310 2 1.5 -1.3 | 312 9 6.6 -5.9 43 51 20422 350 1 0.2 -1.0 | 317 8 5.3 -5.6 44 50 20540 75 17 -16.4 -4.4 | 52 14 -11.3 -9.0 45 48 20726 75 10 -9.7 -2.6 | 32 9 -4.6 -7.2 46 46 21031 85 33 -32.9 -2.9 | 75 29 -27.8 -7.5 47 42 21641 70 49 -46.0 -16.8 | 62 46 -41.0 -21.4 48 40 21946 85 49 -48.8 -4.3 | 79 45 -43.7 -8.9 49 36 22555 105 49 -47.3 12.7 | 101 43 -42.2 8.1 50 30 23630 90 54 -54.0 0.0 | 85 49 -48.9 -4.6 51 25 24384 85 56 -55.8 -4.9 | 79 52 -50.7 -9.5 Wind Parameters Mean winds (0-6000m): 102.1 at 9.1 knts Storm direction: 132.1 at 6.9 knts Shear (0-3000m) pos: 2.3 neg: 2.2 tot: 4.5 10-3/s Storm rel Dir Shear (0-3000m): 26.2 deg Storm rel helicity (0-3000m) pos: 73.6 neg: -32.1 tot: 41.6 m^2/s^2 ave: 13.9 10^-3 m/s^2 rel: 0.20 Storm rel vorticity (0-3000m) horiz: 10.2 stream: 2.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 9.34 Bulk Shear: 2.27 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 76 9 27 8| 15.8 0.0 15.8| 38.5 0.0 38.5 76.9 0.91| 18.4 16.7 1000 85 14 56 10| 10.0 0.0 10.0| 61.2 0.0 61.2 61.2 0.91| 12.7 11.6 1500 90 16 67 12| 6.7 1.7 8.3| 66.8 -11.5 55.3 36.9 0.68| 10.7 7.3 2000 91 17 71 13| 3.4 1.3 4.7| 71.7 -15.1 56.6 28.3 0.56| 9.8 5.5 2500 91 16 69 12| 2.8 2.0 4.8| 72.1 -28.0 44.2 17.7 0.24| 11.0 2.7 3000 90 14 62 10| 2.3 2.2 4.5| 73.6 -32.1 41.6 13.9 0.20| 10.2 2.0 4000 89 11 51 8| 1.9 1.6 3.5| 74.8 -36.0 38.9 9.7 0.14| 8.5 1.2 5000 89 9 41 6| 2.1 1.5 3.5| 85.2 -36.4 48.9 9.8 0.21| 7.7 1.6 6000 102 9 55 5| 1.5 1.2 2.8|103.0 -36.4 66.6 11.1 0.33| 8.0 2.7 Wrote GIF file: /home/apache/climate/data/raob//SBTS/skewt/SBTS.skewt.20251206.12.gif