UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122700.upa.cvt Date: 0000Z 27 DEC 25 Searching for SBTS... Searching the city database file for: SBTS ... Date:0000Z 27 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 90 SFC 971 344 25.4 22.1 82 3.3 23.0 360 4 301.1 304.3 297.2 352.6 17.50 2 925 776 23.0 20.3 85 2.7 21.1 75 18 302.8 305.9 297.0 351.5 16.42 3 850 1512 18.6 16.2 86 2.4 17.0 115 18 305.6 308.2 295.9 346.8 13.76 4 800 2031 15.0 14.0 94 1.0 14.3 119 16 307.1 309.5 295.6 345.3 12.67 5 742 2667 11.6 10.2 91 1.4 10.7 132 18 310.1 312.1 294.9 342.5 10.60 6 731 2792 12.4 7.4 72 5.0 9.3 132 18 312.3 314.0 294.3 339.8 8.88 7 700 3156 10.4 5.8 73 4.6 7.6 120 22 314.0 315.6 294.3 339.9 8.29 8 570 4838 0.6 -6.4 59 7.0 -2.7 165 11 321.5 322.3 293.1 335.1 4.16 9 516 5632 -4.1 -9.1 68 5.0 -6.4 190 4 325.1 325.8 293.7 337.5 3.72 10 500 5880 -5.3 -16.3 42 11.0 -9.4 230 3 326.6 327.0 292.8 333.9 2.14 11 494 5975 -5.5 -22.5 25 17.0 -10.9 249 4 327.5 327.7 292.2 332.0 1.27 12 489 6054 -5.9 -10.7 69 4.8 -8.0 266 5 327.9 328.6 294.2 339.6 3.46 13 472 6330 -7.3 -33.3 10 26.0 -13.5 297 10 329.5 329.6 292.1 331.3 0.49 14 463 6480 -8.1 -38.1 7 30.0 -14.4 305 12 330.3 330.4 292.1 331.5 0.31 15 417 7284 -12.7 -44.7 5 32.0 -18.1 309 26 334.5 334.5 293.1 335.2 0.17 16 400 7600 -15.3 -40.3 10 25.0 -19.8 310 32 335.1 335.2 293.4 336.2 0.28 17 368 8224 -20.5 -35.5 25 15.0 -23.3 305 25 336.3 336.4 293.9 338.2 0.50 18 317 9315 -27.1 -42.1 23 15.0 -29.2 326 2 341.8 341.8 295.0 342.9 0.30 19 300 9710 -30.5 -41.5 33 11.0 -31.9 315 5 342.4 342.5 295.2 343.7 0.34 20 273 10374 -36.3 -42.3 54 6.0 -37.0 230 4 343.3 343.4 295.4 344.7 0.34 21 270 10451 -36.7 -50.7 22 14.0 -37.8 230 6 343.9 343.9 295.4 344.4 0.13 22 250 10980 -41.3 -56.3 18 15.0 -42.1 230 18 344.7 344.7 295.5 345.0 0.07 23 221 11797 -49.1 -60.1 27 11.0 -49.4 222 27 345.0 345.0 295.6 345.2 0.05 24 200 12440 -54.9 -65.9 24 11.0 -55.1 215 35 345.8 345.8 295.7 345.9 0.03 25 189 12799 -57.5 -68.5 23 11.0 -57.7 215 30 347.3 347.3 296.0 347.4 0.02 26 163 13716 -65.1 -70.1 50 5.0 -65.1 268 11 349.5 349.5 296.5 349.6 0.02 27 159 13867 -66.1 -73.1 37 7.0 -66.1 296 8 350.3 350.3 296.7 350.4 0.01 28 152 14140 -65.7 -79.7 13 14.0 -65.8 325 13 355.6 355.6 297.8 355.6 0.00 29 150 14220 -65.9 -78.9 15 13.0 -66.0 325 19 356.6 356.6 298.0 356.6 0.01 30 134 14896 -71.5 -78.5 34 7.0 -71.5 335 26 358.3 358.3 298.4 358.3 0.01 31 101 16534 -79.9 -89.9 17 10.0 -79.9 309 15 372.3 372.3 300.9 372.3 0.00 32 100 16590 -80.1 -90.1 17 10.0 -80.1 300 13 373.0 373.0 301.1 373.0 0.00 33 84 17563 -84.7 -91.7 28 7.0 -84.7 65 18 382.7 382.7 302.7 382.7 0.00 34 81 17763 -84.9 -92.9 23 8.0 -84.9 55 16 386.3 386.3 303.2 386.3 0.00 35 78 17975 -77.1 -90.1 11 13.0 -77.1 89 23 406.7 406.7 306.1 406.7 0.00 36 77 18050 -75.9 -88.9 11 13.0 -75.9 55 20 410.7 410.7 306.6 410.7 0.00 37 70 18600 -75.7 -89.7 9 14.0 -75.7 275 17 422.4 422.4 308.0 422.4 0.00 38 61 19392 -77.3 -89.3 13 12.0 -77.3 242 11 435.8 435.8 309.4 435.8 0.00 39 50 20550 -71.3 -91.3 4 20.0 -71.4 120 24 475.5 475.5 313.1 475.5 0.00 40 43 21455 -65.9 -90.9 2 25.0 -66.2 117 40 509.7 509.7 315.6 509.7 0.00 41 42 21598 -65.7 -90.7 2 25.0 -66.0 109 44 513.6 513.6 315.9 513.7 0.00 42 30 23670 -60.7 -89.7 1 29.0 -61.6 85 52 579.2 579.2 319.6 579.2 0.00 43 23 25345 -53.7 -86.7 1 33.0 -55.9 88 62 645.5 645.5 322.5 645.5 0.01 44 20 26240 -53.8 -86.2 1 32.4 -56.3 95 76 671.5 671.5 323.4 671.5 0.01 45 18 26917 -53.9 -85.9 1 32.0 -56.6 93 71 691.7 691.7 324.1 691.8 0.01 TRP 84 17563 -84.7 -91.7 28 7.0 -84.7 65 18 382.7 382.7 302.7 382.7 0.00 WND 20 26240 -53.8 -86.2 1 32.4 -56.3 95 76 671.5 671.5 323.4 671.5 0.01 Sounding variables and indices 1000-500 mb thick: 5790.00 m Freezing level: 563.11 mb = 4939.50 m = 16205.50 ft Wetbulb zero: 604.27 mb = 4360.11 m = 14304.66 ft Precipitable water: 1.90 inches Sfc-500 mean rel hum: 74.88 % Est. max temperature: 30.78 C = 87.40 F Sfc-Lift cond lev (LCL): 925.79 mb = 768.44 m = 2521.09 ft T: 23.04 C 700-500 lapse rate: 5.76 C/km ThetaE index: 12.83 C Layer 925.0- 700.0 mb Conv cond level (CCL): 851.76 mb = 1494.02 m = 4901.58 ft Mean mixing ratio: 16.13 g/kg Conv temperature: 29.86 C = 85.74 F Cap Strength: 1.30 C Lifted Index: -2.62 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.57 C Lifted Index @700 mb: -0.40 C Showalter Index: -1.19 C Risk: Thunderstorms probable Total Totals Index: 45.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.90 C Cross Totals Index: 21.50 C K Index: 35.50 Risk: > 80 % chance of thunderstorms Sweat Index: 233.40 Risk: None Energy Index: -2.51 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1019.29 J/kg Max Up Vert Vel: 45.15 m/s Conv Inhibition (B-): 21.21 J/kg Cap Strength: 1.30 C Lift Cond Lev (LCL): 883.91 mb = 1171.48 m = 3843.41 ft Lev Free Conv (LFC): 818.91 mb = 1830.84 m = 6006.63 ft Equ Level (EL): 158.91 mb = 13870.07 m = 45504.91 ft B at Equ Level: 1008.19 J/kg Max Parcel Lev (MPL): 98.91 mb = 16651.03 m = 54628.70 ft Wind level data Storm motion: 151 at 10 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 ---------------------------------------------------------- 0 971 344 360 4 -0.0 -4.0 | 339 14 5.1 -13.1 1 942 610 45 20 -14.1 -14.1 | 21 25 -9.1 -23.2 2 925 776 75 18 -17.4 -4.7 | 42 18 -12.3 -13.7 3 910 914 80 17 -16.7 -3.0 | 44 17 -11.7 -12.0 4 850 1512 115 18 -16.3 7.6 | 83 11 -11.2 -1.5 5 849 1524 115 18 -16.3 7.6 | 83 11 -11.2 -1.5 6 790 2134 120 16 -13.9 8.0 | 83 9 -8.8 -1.1 7 762 2438 125 19 -15.6 10.9 | 100 11 -10.5 1.8 8 735 2743 135 17 -12.0 12.0 | 113 8 -6.9 2.9 9 709 3048 115 21 -19.0 8.9 | 89 14 -14.0 -0.2 10 700 3156 120 22 -19.1 11.0 | 98 14 -14.0 1.9 11 683 3353 120 22 -19.1 11.0 | 98 14 -14.0 1.9 12 610 4267 125 10 -8.2 5.7 | 43 5 -3.1 -3.3 13 588 4572 165 11 -2.8 10.6 | 235 3 2.2 1.5 14 566 4877 165 11 -2.8 10.6 | 235 3 2.2 1.5 15 506 5791 195 3 0.8 2.9 | 317 9 5.8 -6.2 16 500 5880 230 3 2.3 1.9 | 314 10 7.4 -7.2 17 486 6096 275 6 6.0 -0.5 | 311 15 11.0 -9.6 18 467 6401 305 11 9.0 -6.3 | 318 21 14.1 -15.4 19 400 7600 310 32 24.5 -20.6 | 315 42 29.6 -29.6 20 399 7620 305 34 27.9 -19.5 | 311 44 32.9 -28.6 21 367 8230 305 25 20.5 -14.3 | 313 35 25.6 -23.4 22 324 9144 330 1 0.5 -0.9 | 331 11 5.6 -9.9 23 300 9710 315 5 3.5 -3.5 | 326 15 8.6 -12.6 24 273 10363 230 4 3.1 2.6 | 309 10 8.1 -6.5 25 250 10980 230 18 13.8 11.6 | 262 19 18.9 2.5 26 200 12440 215 35 20.1 28.7 | 232 32 25.1 19.6 27 198 12497 215 36 20.6 29.5 | 232 33 25.7 20.4 28 171 13411 215 18 10.3 14.7 | 250 16 15.4 5.7 29 155 14021 325 4 2.3 -3.3 | 329 14 7.4 -12.4 30 150 14220 325 19 10.9 -15.6 | 327 29 16.0 -24.6 31 147 14326 310 11 8.4 -7.1 | 320 21 13.5 -16.2 32 140 14630 335 21 8.9 -19.0 | 334 31 13.9 -28.1 33 126 15240 335 34 14.4 -30.8 | 334 44 19.4 -39.9 34 120 15545 345 20 5.2 -19.3 | 340 30 10.2 -28.4 35 114 15850 320 18 11.6 -13.8 | 324 28 16.6 -22.9 36 102 16459 320 17 10.9 -13.0 | 324 27 16.0 -22.1 37 100 16590 300 13 11.3 -6.5 | 314 23 16.3 -15.6 38 97 16764 300 13 11.3 -6.5 | 314 23 16.3 -15.6 39 92 17069 30 4 -2.0 -3.5 | 346 13 3.1 -12.5 40 87 17374 60 11 -9.5 -5.5 | 17 15 -4.5 -14.6 41 84 17563 65 18 -16.3 -7.6 | 34 20 -11.2 -16.7 42 82 17678 40 13 -8.4 -10.0 | 10 19 -3.3 -19.0 43 78 17983 90 23 -23.0 0.0 | 63 20 -17.9 -9.1 44 74 18288 305 12 9.8 -6.9 | 317 22 14.9 -16.0 45 70 18593 285 23 22.2 -6.0 | 299 31 27.3 -15.0 46 70 18600 275 17 16.9 -1.5 | 296 24 22.0 -10.6 47 66 18898 265 14 13.9 1.2 | 292 21 19.0 -7.9 48 63 19202 175 10 -0.9 10.0 | 258 4 4.2 0.9 49 60 19507 280 12 11.8 -2.1 | 303 20 16.9 -11.2 50 57 19812 285 10 9.7 -2.6 | 308 19 14.7 -11.7 51 54 20117 225 10 7.1 7.1 | 279 12 12.1 -2.0 52 51 20422 145 15 -8.6 12.3 | 132 5 -3.5 3.2 53 50 20550 120 24 -20.8 12.0 | 101 16 -15.7 2.9 54 46 21031 115 29 -26.3 12.3 | 99 21 -21.2 3.2 55 44 21336 125 36 -29.5 20.6 | 115 27 -24.4 11.6 56 40 21946 90 54 -54.0 0.0 | 79 50 -48.9 -9.1 57 38 22250 95 57 -56.8 5.0 | 85 52 -51.7 -4.1 58 36 22555 105 51 -49.3 13.2 | 95 44 -44.2 4.1 59 33 23165 105 55 -53.1 14.2 | 96 48 -48.1 5.2 60 30 23670 85 52 -51.8 -4.5 | 74 49 -46.7 -13.6 61 30 23774 75 55 -53.1 -14.2 | 64 53 -48.1 -23.3 62 28 24079 85 53 -52.8 -4.6 | 74 50 -47.7 -13.7 63 26 24689 70 61 -57.3 -20.9 | 60 60 -52.2 -29.9 64 22 25603 95 62 -61.8 5.4 | 86 57 -56.7 -3.7 65 20 26240 95 76 -75.7 6.6 | 88 71 -70.6 -2.5 66 19 26518 95 76 -75.7 6.6 | 88 71 -70.6 -2.5 67 16 27127 85 51 -50.8 -4.4 | 74 48 -45.7 -13.5 Wind Parameters Mean winds (0-6000m): 120.8 at 13.9 knts Storm direction: 150.8 at 10.4 knts Shear (0-3000m) pos: 3.6 neg: 0.8 tot: 4.4 10-3/s Storm rel Dir Shear (0-3000m): 119.0 deg Storm rel helicity (0-3000m) pos: 178.6 neg: -12.0 tot: 166.6 m^2/s^2 ave: 55.5 10^-3 m/s^2 rel: 0.59 Storm rel vorticity (0-3000m) horiz: 10.2 stream: 6.0 10^-3/s Energy-Hel index: 1.04 Bulk Rich Number: 29.47 Bulk Shear: 34.59 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 15 21 19| 17.6 0.0 17.6|122.7 0.0 122.7 245.5 0.80| 29.5 23.5 1000 74 16 38 17| 9.9 0.0 9.9|150.0 0.0 150.0 150.0 0.80| 19.1 15.3 1500 89 17 51 15| 6.6 0.0 6.6|158.8 0.0 158.8 105.9 0.78| 14.3 11.2 2000 98 17 59 13| 5.3 0.0 5.3|163.7 -0.0 163.7 81.9 0.77| 11.6 8.9 2500 105 17 67 12| 4.3 0.0 4.3|171.0 -3.0 168.0 67.2 0.69| 10.7 7.4 3000 108 18 73 12| 3.6 0.8 4.4|178.6 -12.0 166.6 55.5 0.59| 10.2 6.0 4000 112 17 76 11| 1.5 0.6 2.1|178.8 -24.5 154.3 38.6 0.40| 9.4 3.8 5000 118 16 79 9| 1.3 0.5 1.7|183.0 -24.5 158.5 31.7 0.44| 8.7 3.8 6000 121 14 74 7| 1.2 0.4 1.6|195.5 -27.1 168.4 28.1 0.41| 8.6 3.5 Wrote GIF file: /home/apache/climate/data/raob//SBTS/skewt/SBTS.skewt.20251227.00.gif