UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120400.upa.cvt Date: 0000Z 4 DEC 25 Searching for SBTS... Searching the city database file for: SBTS ... Date:0000Z 4 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 75 SFC 970 344 26.4 20.4 70 6.0 22.1 0 0 302.2 305.1 296.3 348.7 15.74 2 958 455 28.2 19.2 58 9.0 21.8 21 5 305.1 307.8 296.4 349.2 14.77 3 925 768 26.0 18.0 61 8.0 20.4 55 11 305.9 308.5 296.3 348.4 14.18 4 850 1505 19.2 16.5 84 2.7 17.4 90 16 306.3 308.9 296.3 348.4 14.03 5 813 1887 16.0 15.2 95 0.8 15.5 109 12 306.8 309.3 296.0 347.4 13.49 6 769 2359 13.4 11.2 87 2.2 12.0 112 12 308.9 311.0 294.8 342.1 10.93 7 752 2548 13.0 6.0 62 7.0 8.8 117 11 310.5 311.9 292.9 334.5 7.82 8 741 2672 13.0 2.0 47 11.0 6.8 119 10 311.8 312.9 291.8 330.4 5.97 9 700 3150 10.0 -1.0 46 11.0 4.2 120 8 313.6 314.5 291.6 329.6 5.08 10 690 3269 9.4 -3.6 40 13.0 2.8 116 7 314.2 315.0 291.0 327.7 4.25 11 671 3500 7.6 2.6 71 5.0 4.8 109 6 314.7 316.0 293.4 336.3 6.90 12 634 3965 6.0 -5.0 45 11.0 0.5 95 3 318.0 318.8 292.1 331.5 4.16 13 620 4147 4.6 -0.4 70 5.0 1.9 89 2 318.4 319.6 293.7 337.7 6.00 14 610 4280 4.4 -5.6 48 10.0 -0.5 85 1 319.7 320.5 292.6 333.1 4.13 15 549 5128 -1.1 -7.1 64 6.0 -3.9 4 12 322.9 323.8 293.4 336.4 4.09 16 536 5319 -1.3 -15.3 34 14.0 -6.8 15 14 324.9 325.4 292.3 332.3 2.17 17 529 5424 -2.3 -12.3 46 10.0 -6.5 21 14 325.0 325.5 292.9 334.4 2.81 18 525 5484 -2.1 -21.1 22 19.0 -8.5 24 15 325.9 326.2 291.9 330.6 1.35 19 521 5545 -2.5 -12.5 46 10.0 -6.7 30 15 326.1 326.7 293.2 335.7 2.81 20 513 5667 -2.9 -20.9 24 18.0 -9.0 42 14 327.1 327.4 292.3 332.0 1.41 21 500 5870 -4.3 -16.3 39 12.0 -8.8 45 10 327.8 328.2 293.1 335.2 2.14 22 484 6126 -6.5 -13.5 58 7.0 -9.3 49 9 328.2 328.7 293.7 337.7 2.79 23 473 6306 -7.1 -24.1 24 17.0 -12.3 42 9 329.6 329.8 292.7 333.7 1.15 24 465 6439 -8.1 -20.1 37 12.0 -12.1 37 9 329.9 330.3 293.3 335.8 1.67 25 440 6868 -9.3 -37.3 8 28.0 -15.3 19 8 333.7 333.8 293.0 335.0 0.35 26 421 7208 -11.5 -23.5 36 12.0 -15.2 6 8 335.1 335.4 294.3 340.0 1.37 27 418 7263 -11.7 -33.7 14 22.0 -16.7 4 8 335.5 335.6 293.7 337.5 0.53 28 408 7449 -12.5 -36.5 12 24.0 -17.6 356 8 336.8 336.9 293.9 338.4 0.41 29 404 7524 -12.9 -32.9 17 20.0 -17.6 353 8 337.3 337.4 294.2 339.5 0.59 30 400 7600 -13.5 -31.5 20 18.0 -17.9 350 8 337.4 337.6 294.3 340.0 0.69 31 300 9720 -30.5 -37.5 50 7.0 -31.5 195 6 342.4 342.5 295.4 344.4 0.51 32 256 10828 -38.3 -55.3 15 17.0 -39.4 177 19 346.8 346.8 296.0 347.1 0.08 33 250 10990 -39.7 -55.7 17 16.0 -40.6 170 21 347.0 347.1 296.1 347.4 0.08 34 200 12470 -52.3 -66.3 17 14.0 -52.6 175 28 349.9 350.0 296.7 350.1 0.03 35 197 12568 -53.1 -67.1 17 14.0 -53.4 175 29 350.2 350.2 296.7 350.3 0.02 36 189 12834 -55.7 -64.7 32 9.0 -55.9 176 32 350.2 350.2 296.7 350.3 0.03 37 151 14230 -67.3 -70.5 64 3.2 -67.3 180 49 353.5 353.5 297.4 353.6 0.02 38 150 14270 -67.7 -71.1 62 3.4 -67.7 180 49 353.5 353.5 297.4 353.5 0.02 39 124 15387 -76.9 -80.8 54 3.9 -76.9 180 46 356.5 356.5 298.0 356.5 0.00 40 100 16600 -83.3 -87.2 51 3.9 -83.3 320 25 366.8 366.8 300.0 366.8 0.00 41 87 17374 -85.9 -90.2 46 4.3 -85.9 355 25 376.5 376.5 301.6 376.5 0.00 42 77 18049 -84.9 -89.4 44 4.5 -84.9 96 20 391.9 391.9 304.0 391.9 0.00 43 74 18272 -81.7 -88.7 29 7.0 -81.7 129 18 403.1 403.1 305.6 403.1 0.00 44 72 18428 -77.5 -86.5 22 9.0 -77.5 197 14 415.2 415.2 307.2 415.2 0.00 45 70 18590 -77.3 -86.3 22 9.0 -77.3 270 9 419.0 419.0 307.6 419.0 0.00 46 68 18756 -76.3 -86.3 19 10.0 -76.3 156 20 424.7 424.7 308.3 424.7 0.00 47 59 19575 -75.3 -88.3 11 13.0 -75.3 219 25 444.5 444.5 310.3 444.5 0.00 48 57 19775 -72.7 -87.7 9 15.0 -72.8 216 20 454.8 454.8 311.3 454.8 0.00 49 52 20311 -74.3 -89.3 8 15.0 -74.4 200 6 463.2 463.2 312.1 463.2 0.00 50 50 20540 -72.5 -89.5 6 17.0 -72.6 95 28 472.6 472.6 312.8 472.7 0.00 51 43 21426 -72.9 -90.9 5 18.0 -73.0 107 32 492.5 492.5 314.4 492.5 0.00 52 34 22840 -62.1 -89.1 2 27.0 -62.7 95 46 555.1 555.1 318.4 555.1 0.00 53 32 23216 -60.9 -87.9 2 27.0 -61.7 89 49 568.0 568.0 319.0 568.1 0.01 TRP 87 17374 -85.9 -90.2 46 4.3 -85.9 355 25 376.5 376.5 301.6 376.5 0.00 WND Sounding variables and indices 1000-500 mb thick: 5795.00 m Freezing level: 561.20 mb = 4958.44 m = 16267.64 ft Wetbulb zero: 612.11 mb = 4251.51 m = 13948.37 ft Precipitable water: 1.69 inches Sfc-500 mean rel hum: 60.88 % Est. max temperature: 30.88 C = 87.58 F Sfc-Lift cond lev (LCL): 888.95 mb = 1114.51 m = 3656.50 ft T: 22.80 C 700-500 lapse rate: 5.26 C/km ThetaE index: 21.50 C Layer 925.0- 671.0 mb Conv cond level (CCL): 815.60 mb = 1859.39 m = 6100.30 ft Mean mixing ratio: 14.37 g/kg Conv temperature: 30.94 C = 87.70 F Cap Strength: 0.92 C Lifted Index: -0.86 C Risk: Thunderstorms probable Lifted Index @300 mb: -1.40 C Lifted Index @700 mb: -0.22 C Showalter Index: -0.75 C Risk: Thunderstorms probable Total Totals Index: 44.30 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.50 C Cross Totals Index: 20.80 C K Index: 29.00 Risk: 40-60 % chance of thunderstorms Sweat Index: 240.00 Risk: None Energy Index: -2.59 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 229.41 J/kg Max Up Vert Vel: 21.42 m/s Conv Inhibition (B-): 21.28 J/kg Cap Strength: 0.92 C Lift Cond Lev (LCL): 829.48 mb = 1714.69 m = 5625.56 ft Lev Free Conv (LFC): 794.48 mb = 2082.51 m = 6832.29 ft Equ Level (EL): 754.48 mb = 2520.25 m = 8268.44 ft B at Equ Level: 10.50 J/kg Max Parcel Lev (MPL): 144.48 mb = 14490.13 m = 47539.22 ft Wind level data Storm motion: 103 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 ---------------------------------------------------------- 0 970 344 0 0 -0.0 -0.0 | 283 7 7.0 -1.6 1 942 610 50 12 -9.2 -7.7 | 13 10 -2.2 -9.3 2 925 768 55 11 -9.0 -6.3 | 14 8 -2.0 -7.9 3 910 914 75 13 -12.6 -3.4 | 48 7 -5.5 -5.0 4 850 1505 90 16 -16.0 0.0 | 80 9 -9.0 -1.6 5 848 1524 90 16 -16.0 0.0 | 80 9 -9.0 -1.6 6 818 1829 110 12 -11.3 4.1 | 120 5 -4.3 2.5 7 789 2134 105 11 -10.6 2.8 | 109 4 -3.6 1.2 8 761 2438 115 12 -10.9 5.1 | 132 5 -3.9 3.5 9 734 2743 120 10 -8.7 5.0 | 154 4 -1.6 3.4 10 700 3150 120 8 -6.9 4.0 | 182 2 0.1 2.4 11 610 4267 85 1 -1.0 -0.1 | 286 6 6.0 -1.7 12 565 4877 350 10 1.7 -9.8 | 323 14 8.7 -11.5 13 524 5486 25 15 -6.3 -13.6 | 357 15 0.7 -15.2 14 505 5791 55 13 -10.6 -7.5 | 22 10 -3.6 -9.1 15 500 5870 45 10 -7.1 -7.1 | 0 9 -0.1 -8.7 16 486 6096 50 9 -6.9 -5.8 | 359 7 0.1 -7.4 17 400 7600 350 8 1.4 -7.9 | 318 13 8.4 -9.5 18 367 8230 335 10 4.2 -9.1 | 314 16 11.2 -10.7 19 352 8534 335 10 4.2 -9.1 | 314 16 11.2 -10.7 20 311 9449 215 1 0.6 0.8 | 276 8 7.6 -0.8 21 300 9720 195 6 1.6 5.8 | 244 10 8.6 4.2 22 286 10058 190 10 1.7 9.8 | 227 12 8.7 8.2 23 274 10363 195 15 3.9 14.5 | 220 17 10.9 12.9 24 250 10990 170 21 -3.6 20.7 | 190 19 3.4 19.1 25 229 11582 165 21 -5.4 20.3 | 185 19 1.6 18.7 26 200 12470 175 28 -2.4 27.9 | 190 27 4.6 26.3 27 150 14270 180 49 0.0 49.0 | 188 48 7.0 47.4 28 149 14326 180 49 0.0 49.0 | 188 48 7.0 47.4 29 120 15545 180 45 0.0 45.0 | 189 44 7.0 43.4 30 114 15850 170 28 -4.9 27.6 | 185 26 2.2 26.0 31 108 16154 235 6 4.9 3.4 | 261 12 11.9 1.8 32 102 16459 305 13 10.6 -7.5 | 297 20 17.7 -9.1 33 100 16600 320 25 16.1 -19.2 | 312 31 23.1 -20.8 34 97 16764 320 27 17.4 -20.7 | 312 33 24.4 -22.3 35 87 17374 345 29 7.5 -28.0 | 334 33 14.5 -29.6 36 87 17374 355 25 2.2 -24.9 | 341 28 9.2 -26.5 37 74 18288 130 18 -13.8 11.6 | 146 12 -6.8 10.0 38 70 18590 270 9 9.0 -0.0 | 276 16 16.0 -1.6 39 70 18593 130 23 -17.6 14.8 | 141 17 -10.6 13.2 40 63 19202 225 11 7.8 7.8 | 247 16 14.8 6.2 41 60 19507 220 27 17.4 20.7 | 232 31 24.4 19.1 42 54 20117 210 12 6.0 10.4 | 236 16 13.0 8.8 43 51 20422 195 2 0.5 1.9 | 268 8 7.5 0.3 44 50 20540 95 28 -27.9 2.4 | 92 21 -20.9 0.8 45 48 20726 110 11 -10.3 3.8 | 123 4 -3.3 2.1 46 45 21031 95 30 -29.9 2.6 | 93 23 -22.9 1.0 47 42 21336 110 33 -31.0 11.3 | 112 26 -24.0 9.7 48 40 21641 95 34 -33.9 3.0 | 93 27 -26.9 1.4 49 37 21946 110 41 -38.5 14.0 | 111 34 -31.5 12.4 50 33 22555 90 48 -48.0 0.0 | 88 41 -41.0 -1.6 51 26 23774 85 56 -55.8 -4.9 | 82 49 -48.8 -6.5 Wind Parameters Mean winds (0-6000m): 72.9 at 9.6 knts Storm direction: 102.9 at 7.2 knts Shear (0-3000m) pos: 1.6 neg: 0.5 tot: 2.1 10-3/s Storm rel Dir Shear (0-3000m): -67.5 deg Storm rel helicity (0-3000m) pos: 61.1 neg: -0.9 tot: 60.3 m^2/s^2 ave: 20.1 10^-3 m/s^2 rel: 0.83 Storm rel vorticity (0-3000m) horiz: 6.7 stream: 5.5 10^-3/s Energy-Hel index: 0.08 Bulk Rich Number: 161.48 Bulk Shear: 1.42 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 53 9 359 7| 12.4 0.0 12.4| 32.8 0.0 32.8 65.6 0.94| 17.1 16.0 1000 70 11 33 7| 7.8 0.0 7.8| 44.2 0.0 44.2 44.2 0.94| 11.5 10.9 1500 80 12 54 6| 4.1 0.0 4.1| 55.6 0.0 55.6 37.0 0.91| 10.3 9.3 2000 87 12 66 6| 3.0 0.0 3.0| 56.9 -0.9 56.0 28.0 0.84| 8.4 7.1 2500 93 12 78 5| 2.0 0.0 2.0| 59.8 -0.9 59.0 23.6 0.83| 7.4 6.2 3000 96 11 84 4| 1.6 0.5 2.1| 61.1 -0.9 60.3 20.1 0.83| 6.7 5.5 4000 98 9 82 2| 1.2 1.1 2.3| 63.4 -1.2 62.2 15.6 0.76| 5.9 4.5 5000 84 9 39 3| 1.3 1.7 3.1| 93.6 -5.3 88.3 17.7 0.68| 6.6 4.5 6000 73 10 26 5| 1.6 1.5 3.1|118.5 -15.0 103.5 17.2 0.59| 6.7 4.0 Wrote GIF file: /home/apache/climate/data/raob//SBTS/skewt/SBTS.skewt.20251204.00.gif