UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121912.upa.cvt Date: 1200Z 19 DEC 25 Searching for SBTS... Searching the city database file for: SBTS ... Date:1200Z 19 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 108 SFC 973 344 22.0 20.8 93 1.2 21.2 270 3 297.5 300.4 295.3 344.1 16.09 2 925 785 20.0 19.2 95 0.8 19.5 45 20 299.8 302.6 295.4 344.5 15.31 3 850 1514 16.8 15.7 93 1.1 16.1 55 22 303.7 306.2 295.1 343.3 13.32 4 700 3152 9.4 9.4 100 0.0 9.4 95 18 312.9 314.9 295.7 345.8 10.65 5 640 3891 5.8 5.0 95 0.8 5.3 109 18 316.9 318.6 295.3 344.0 8.58 6 586 4607 0.6 0.1 96 0.5 0.3 141 15 319.0 320.2 294.3 340.0 6.59 7 500 5870 -5.1 -5.4 98 0.3 -5.3 170 8 326.8 327.8 295.3 343.8 5.12 8 430 7041 -10.7 -11.5 94 0.8 -11.1 41 2 334.1 334.9 295.9 346.8 3.69 9 407 7461 -13.1 -14.3 91 1.2 -13.6 334 6 336.3 336.9 296.0 347.2 3.11 10 337 8869 -23.5 -46.5 10 23.0 -26.5 305 34 340.7 340.8 294.7 341.4 0.17 11 301 9686 -28.7 -50.7 10 22.0 -30.9 310 26 344.6 344.6 295.6 345.1 0.12 12 300 9710 -28.9 -49.9 11 21.0 -31.0 310 25 344.6 344.7 295.6 345.2 0.13 13 250 10980 -40.3 -45.3 59 5.0 -40.7 50 3 346.2 346.2 296.0 347.2 0.27 14 245 11117 -41.5 -45.7 64 4.2 -41.8 70 2 346.4 346.4 296.1 347.4 0.26 15 210 12143 -50.1 -53.5 67 3.4 -50.3 151 26 348.5 348.6 296.4 349.1 0.12 16 200 12460 -52.7 -56.8 61 4.1 -52.8 155 32 349.3 349.3 296.5 349.7 0.09 17 188 12857 -56.3 -60.5 59 4.2 -56.4 157 32 349.7 349.8 296.6 350.0 0.06 18 176 13272 -60.5 -62.3 79 1.8 -60.5 158 33 349.5 349.5 296.5 349.7 0.05 19 174 13344 -61.1 -63.6 72 2.5 -61.2 158 33 349.7 349.7 296.6 349.8 0.04 20 166 13635 -63.7 -71.7 33 8.0 -63.8 160 33 350.0 350.1 296.7 350.1 0.01 21 150 14250 -68.5 -73.5 48 5.0 -68.5 145 44 352.1 352.1 297.1 352.1 0.01 22 139 14701 -72.5 -78.5 40 6.0 -72.5 139 45 352.8 352.8 297.3 352.8 0.01 23 103 16415 -82.7 -89.7 29 7.0 -82.7 55 26 364.8 364.8 299.6 364.9 0.00 24 100 16580 -82.9 -89.9 29 7.0 -82.9 60 22 367.6 367.6 300.1 367.6 0.00 25 84 17551 -83.7 -90.7 28 7.0 -83.7 116 21 384.7 384.7 303.0 384.7 0.00 26 74 18261 -80.7 -89.7 21 9.0 -80.7 106 15 405.2 405.2 305.9 405.3 0.00 27 72 18418 -76.3 -88.3 13 12.0 -76.3 153 13 417.8 417.8 307.4 417.8 0.00 28 70 18580 -76.9 -88.9 13 12.0 -76.9 210 11 419.9 419.9 307.7 419.9 0.00 29 53 20206 -71.9 -88.9 6 17.0 -72.0 57 4 466.2 466.2 312.3 466.2 0.00 30 50 20550 -72.5 -89.5 6 17.0 -72.6 70 28 472.6 472.6 312.8 472.7 0.00 31 38 22193 -64.9 -90.9 2 26.0 -65.3 95 50 530.6 530.6 316.9 530.6 0.00 32 36 22527 -60.3 -89.3 1 29.0 -61.0 100 52 550.8 550.8 318.1 550.8 0.00 33 34 22882 -61.3 -89.3 1 28.0 -62.0 98 55 557.2 557.2 318.5 557.2 0.00 34 30 23660 -60.5 -89.5 1 29.0 -61.4 95 62 579.7 579.7 319.6 579.7 0.00 35 23 25321 -56.0 -88.3 1 32.3 -57.8 80 71 638.6 638.6 322.2 638.6 0.01 36 20 26210 -53.7 -87.7 1 34.0 -56.2 90 64 671.8 671.8 323.5 671.9 0.01 37 19 26542 -50.3 -86.3 1 36.0 -53.8 87 65 692.3 692.3 324.2 692.4 0.01 38 16 27677 -45.1 -84.1 0 39.0 -51.0 77 49 744.1 744.1 325.8 744.3 0.02 39 16 27677 -45.9 -83.9 1 38.0 -51.5 77 49 741.5 741.5 325.7 741.7 0.02 TRP 103 16415 -82.7 -89.7 29 7.0 -82.7 55 26 364.8 364.8 299.6 364.9 0.00 WND 23 25321 -56.0 -88.3 1 32.3 -57.8 80 71 638.6 638.6 322.2 638.6 0.01 Sounding variables and indices 1000-500 mb thick: 5762.00 m Freezing level: 576.95 mb = 4740.05 m = 15551.15 ft Wetbulb zero: 581.17 mb = 4672.99 m = 15331.15 ft Precipitable water: 2.23 inches Sfc-500 mean rel hum: 96.17 % Est. max temperature: 29.73 C = 85.52 F Sfc-Lift cond lev (LCL): 956.38 mb = 494.19 m = 1621.35 ft T: 21.32 C 700-500 lapse rate: 5.33 C/km ThetaE index: 1.20 C Layer 850.0- 700.0 mb Conv cond level (CCL): 884.57 mb = 1170.31 m = 3839.54 ft Mean mixing ratio: 15.12 g/kg Conv temperature: 26.36 C = 79.46 F Cap Strength: 0.58 C Lifted Index: -0.02 C Risk: Thunderstorms probable Lifted Index @300 mb: 2.69 C Lifted Index @700 mb: 0.42 C Showalter Index: 0.33 C Risk: Thunderstorms probable Total Totals Index: 42.70 C Risk: None Vertical Totals Index: 21.90 C Cross Totals Index: 20.80 C K Index: 37.60 Risk: > 80 % chance of thunderstorms Sweat Index: 240.40 Risk: None Energy Index: -0.01 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 60.37 J/kg Max Up Vert Vel: 10.99 m/s Conv Inhibition (B-): 46.83 J/kg Cap Strength: 0.59 C Lift Cond Lev (LCL): 909.58 mb = 929.90 m = 3050.80 ft Lev Free Conv (LFC): 624.58 mb = 4089.35 m = 13416.35 ft Equ Level (EL): 494.58 mb = 5954.55 m = 19535.69 ft B at Equ Level: 59.97 J/kg Max Parcel Lev (MPL): 404.58 mb = 7505.66 m = 24624.58 ft Wind level data Storm motion: 114 at 13 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 ---------------------------------------------------------- 0 973 344 270 3 3.0 -0.0 | 290 16 14.7 -5.3 1 944 610 30 14 -7.0 -12.1 | 345 18 4.7 -17.4 2 925 785 45 20 -14.1 -14.1 | 7 20 -2.4 -19.4 3 911 914 50 21 -16.1 -13.5 | 13 19 -4.4 -18.8 4 850 1514 55 22 -18.0 -12.6 | 19 19 -6.3 -17.9 5 790 2134 60 27 -23.4 -13.5 | 32 22 -11.7 -18.8 6 762 2438 55 26 -21.3 -14.9 | 25 22 -9.6 -20.2 7 735 2743 55 24 -19.7 -13.8 | 23 21 -8.0 -19.0 8 700 3152 95 18 -17.9 1.6 | 59 7 -6.2 -3.7 9 683 3353 95 18 -17.9 1.6 | 59 7 -6.2 -3.7 10 658 3658 100 19 -18.7 3.3 | 74 7 -7.0 -2.0 11 610 4267 125 17 -13.9 9.8 | 154 5 -2.2 4.5 12 565 4877 155 13 -5.5 11.8 | 224 9 6.2 6.5 13 544 5182 125 10 -8.2 5.7 | 262 4 3.5 0.5 14 524 5486 190 11 1.9 10.8 | 248 15 13.6 5.6 15 500 5870 170 8 -1.4 7.9 | 256 11 10.3 2.6 16 486 6096 180 7 0.0 7.0 | 262 12 11.7 1.7 17 415 7315 0 0 -0.0 -0.0 | 294 13 11.7 -5.3 18 400 7600 310 11 8.4 -7.1 | 301 24 20.1 -12.3 19 399 7620 310 11 8.4 -7.1 | 301 24 20.1 -12.3 20 367 8230 300 26 22.5 -13.0 | 298 39 34.2 -18.3 21 311 9449 310 41 31.4 -26.4 | 306 53 43.1 -31.6 22 300 9710 310 25 19.2 -16.1 | 305 38 30.9 -21.3 23 285 10058 315 21 14.8 -14.8 | 307 33 26.6 -20.1 24 273 10363 335 16 6.8 -14.5 | 317 27 18.5 -19.8 25 261 10668 325 11 6.3 -9.0 | 308 23 18.0 -14.3 26 250 10980 50 3 -2.3 -1.9 | 307 12 9.4 -7.2 27 239 11278 95 1 -1.0 0.1 | 296 12 10.7 -5.2 28 228 11582 135 12 -8.5 8.5 | 225 5 3.2 3.2 29 218 11887 155 18 -7.6 16.3 | 200 12 4.1 11.1 30 208 12192 150 28 -14.0 24.2 | 173 19 -2.3 19.0 31 200 12460 155 32 -13.5 29.0 | 176 24 -1.8 23.7 32 163 13716 160 33 -11.3 31.0 | 181 26 0.4 25.8 33 150 14250 145 44 -25.2 36.0 | 156 34 -13.5 30.8 34 140 14630 140 47 -30.2 36.0 | 149 36 -18.5 30.7 35 133 14935 135 39 -27.6 27.6 | 145 27 -15.9 22.3 36 120 15545 105 20 -19.3 5.2 | 89 8 -7.6 -0.1 37 114 15850 50 27 -20.7 -17.4 | 22 24 -9.0 -22.6 38 103 16415 55 26 -21.3 -14.9 | 25 22 -9.6 -20.2 39 102 16459 35 36 -20.6 -29.5 | 14 36 -8.9 -34.7 40 100 16580 60 22 -19.1 -11.0 | 24 18 -7.3 -16.3 41 97 16764 65 23 -20.8 -9.7 | 31 18 -9.1 -15.0 42 92 17069 50 26 -19.9 -16.7 | 20 23 -8.2 -22.0 43 87 17374 95 13 -13.0 1.1 | 17 4 -1.2 -4.1 44 82 17678 130 27 -20.7 17.4 | 143 15 -9.0 12.1 45 74 18288 105 15 -14.5 3.9 | 64 3 -2.8 -1.4 46 70 18580 210 11 5.5 9.5 | 256 18 17.2 4.3 47 70 18593 190 10 1.7 9.8 | 251 14 13.4 4.6 48 63 19202 235 18 14.7 10.3 | 259 27 26.5 5.1 49 57 19812 330 11 5.5 -9.5 | 311 23 17.2 -14.8 50 54 20117 55 1 -0.8 -0.6 | 298 12 10.9 -5.8 51 51 20422 60 10 -8.7 -5.0 | 343 11 3.0 -10.3 52 50 20550 70 28 -26.3 -9.6 | 45 21 -14.6 -14.8 53 40 21946 90 48 -48.0 0.0 | 82 37 -36.3 -5.3 54 36 22555 100 52 -51.2 9.0 | 95 40 -39.5 3.8 55 30 23660 95 62 -61.8 5.4 | 90 50 -50.1 0.1 56 28 24079 95 63 -62.8 5.5 | 90 51 -51.1 0.2 57 23 25321 80 71 -69.9 -12.3 | 73 61 -58.2 -17.6 58 22 25603 80 71 -69.9 -12.3 | 73 61 -58.2 -17.6 59 20 26210 90 64 -64.0 0.0 | 84 53 -52.3 -5.3 60 18 26518 85 66 -65.7 -5.8 | 78 55 -54.0 -11.0 61 17 26822 85 53 -52.8 -4.6 | 76 42 -41.1 -9.9 62 14 27432 60 41 -35.5 -20.5 | 43 35 -23.8 -25.8 63 12 28042 100 31 -30.5 5.4 | 90 19 -18.8 0.1 Wind Parameters Mean winds (0-6000m): 84.2 at 17.1 knts Storm direction: 114.2 at 12.8 knts Shear (0-3000m) pos: 3.4 neg: 0.3 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 129.7 deg Storm rel helicity (0-3000m) pos: 204.3 neg: -19.9 tot: 184.3 m^2/s^2 ave: 61.4 10^-3 m/s^2 rel: 0.68 Storm rel vorticity (0-3000m) horiz: 9.9 stream: 6.8 10^-3/s Energy-Hel index: 0.07 Bulk Rich Number: 2.62 Bulk Shear: 23.01 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 13 344 16| 23.4 0.0 23.4|132.9 0.0 132.9 265.7 0.93| 29.8 27.6 1000 45 17 2 17| 12.4 0.0 12.4|146.2 0.0 146.2 146.2 0.93| 16.2 15.1 1500 50 19 9 18| 9.3 0.0 9.3|161.6 0.0 161.6 107.7 0.92| 12.0 11.1 2000 53 21 15 19| 7.0 0.4 7.4|172.8 -9.7 163.1 81.6 0.84| 10.1 8.4 2500 53 22 17 19| 4.9 0.4 5.2|185.2 -19.9 165.3 66.1 0.72| 9.5 6.9 3000 58 21 21 18| 3.4 0.3 3.7|204.3 -19.9 184.3 61.4 0.68| 9.9 6.8 4000 69 20 30 15| 2.4 0.2 2.6|220.2 -19.9 200.3 50.1 0.72| 8.9 6.4 5000 78 19 37 11| 1.3 0.2 1.5|235.2 -21.6 213.7 42.7 0.66| 9.0 6.0 6000 84 17 37 9| 0.9 0.5 1.4|254.9 -21.6 233.3 38.9 0.64| 8.7 5.5 Wrote GIF file: /home/apache/climate/data/raob//SBTS/skewt/SBTS.skewt.20251219.12.gif