UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120900.upa.cvt Date: 0000Z 9 DEC 25 Searching for SBTS... Searching the city database file for: SBTS ... Date:0000Z 9 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 91 SFC 972 344 26.6 18.6 62 8.0 21.0 350 3 302.2 304.8 295.1 343.6 14.01 2 962 436 28.8 17.8 51 11.0 21.1 18 7 305.3 307.8 295.6 345.5 13.45 3 925 784 26.0 17.0 58 9.0 19.8 65 14 305.9 308.4 295.7 345.7 13.29 4 850 1521 19.4 14.4 73 5.0 16.0 80 12 306.5 308.8 295.1 343.2 12.23 5 779 2265 13.4 12.0 91 1.4 12.5 108 10 307.8 309.9 294.8 342.2 11.39 6 740 2698 11.6 5.6 67 6.0 8.0 103 12 310.4 311.8 292.9 334.2 7.73 7 700 3161 8.2 5.1 81 3.1 6.3 95 7 311.6 313.1 293.3 336.0 7.90 8 679 3412 6.8 4.9 88 1.9 5.7 110 5 312.7 314.3 293.7 337.6 8.03 9 611 4272 2.0 -5.0 60 7.0 -1.4 102 2 316.8 317.6 291.9 330.7 4.32 10 598 4446 0.8 -3.2 75 4.0 -1.2 91 3 317.3 318.3 292.7 333.5 5.06 11 583 4650 0.8 -14.2 32 15.0 -5.1 80 5 319.7 320.1 290.9 327.0 2.18 12 568 4859 -0.7 -5.6 69 4.9 -3.1 68 7 320.3 321.2 293.0 334.7 4.44 13 542 5233 -2.3 -12.3 46 10.0 -6.4 47 10 322.7 323.2 292.2 331.9 2.74 14 538 5291 -2.7 -9.7 59 7.0 -5.8 42 11 322.9 323.6 292.9 334.2 3.40 15 531 5395 -2.9 -14.9 39 12.0 -7.5 33 11 323.9 324.3 292.2 331.6 2.26 16 510 5714 -4.9 -9.2 72 4.3 -6.8 43 13 325.2 326.0 293.7 337.7 3.74 17 500 5870 -5.7 -11.7 63 6.0 -8.2 40 15 326.1 326.7 293.4 336.6 3.12 18 496 5933 -5.7 -16.7 42 11.0 -9.8 41 15 326.8 327.3 292.8 334.0 2.09 19 482 6158 -6.7 -13.7 57 7.0 -9.5 44 14 328.3 328.8 293.7 337.7 2.75 20 479 6206 -6.7 -14.7 53 8.0 -9.8 44 13 328.9 329.4 293.7 337.7 2.55 21 476 6256 -6.3 -20.3 32 14.0 -11.1 43 13 330.0 330.3 293.2 335.6 1.60 22 473 6305 -6.3 -24.3 23 18.0 -11.8 42 12 330.6 330.8 293.0 334.6 1.13 23 449 6712 -8.5 -32.5 12 24.0 -14.4 38 9 332.8 332.9 293.0 334.8 0.56 24 425 7137 -10.9 -32.9 14 22.0 -16.1 32 6 335.0 335.1 293.6 337.1 0.56 25 400 7600 -14.9 -33.9 18 19.0 -19.0 30 6 335.6 335.7 293.7 337.7 0.54 26 370 8184 -19.7 -31.7 34 12.0 -22.3 35 12 336.8 337.0 294.2 339.5 0.73 27 354 8511 -20.7 -43.7 11 23.0 -24.1 13 12 339.8 339.8 294.5 340.6 0.22 28 351 8574 -20.7 -42.7 12 22.0 -24.1 13 12 340.6 340.6 294.7 341.6 0.25 29 313 9408 -28.5 -39.5 34 11.0 -30.1 123 18 341.1 341.1 295.0 342.6 0.40 30 300 9710 -31.1 -39.1 45 8.0 -32.2 130 21 341.5 341.6 295.1 343.2 0.43 31 296 9804 -31.9 -38.9 50 7.0 -32.9 130 22 341.7 341.8 295.1 343.5 0.45 32 293 9876 -31.9 -44.9 26 13.0 -33.3 131 23 342.7 342.8 295.2 343.7 0.24 33 277 10268 -35.5 -44.5 39 9.0 -36.4 132 28 343.1 343.1 295.3 344.1 0.26 34 259 10729 -38.7 -57.7 12 19.0 -39.8 134 34 345.0 345.0 295.6 345.3 0.06 35 250 10970 -40.7 -57.7 14 17.0 -41.6 135 37 345.6 345.6 295.7 345.8 0.06 36 220 11828 -48.3 -57.3 35 9.0 -48.7 153 36 346.7 346.7 296.0 347.0 0.08 37 200 12450 -53.3 -65.3 22 12.0 -53.6 150 37 348.4 348.4 296.3 348.5 0.03 38 187 12878 -57.3 -71.3 15 14.0 -57.5 152 41 348.7 348.7 296.4 348.7 0.01 39 182 13049 -58.5 -64.5 46 6.0 -58.6 153 43 349.4 349.4 296.5 349.6 0.04 40 174 13330 -60.3 -72.3 19 12.0 -60.4 155 45 351.0 351.0 296.8 351.0 0.01 41 169 13513 -59.1 -81.1 4 22.0 -59.3 153 43 355.9 355.9 297.9 355.9 0.00 42 150 14250 -64.7 -79.7 11 15.0 -64.8 165 14 358.6 358.6 298.4 358.6 0.00 43 114 15867 -78.1 -82.3 50 4.2 -78.1 265 26 363.0 363.0 299.3 363.0 0.00 44 100 16610 -80.1 -87.1 30 7.0 -80.1 250 33 373.0 373.0 301.1 373.0 0.00 45 86 17454 -85.1 -89.6 44 4.5 -85.1 280 27 379.3 379.3 302.1 379.3 0.00 46 73 18372 -79.5 -87.5 25 8.0 -79.5 238 19 409.4 409.4 306.5 409.4 0.00 47 70 18610 -79.9 -87.9 25 8.0 -79.9 255 18 413.4 413.4 306.9 413.5 0.00 48 54 20085 -77.7 -89.7 13 12.0 -77.7 297 13 450.4 450.4 310.9 450.4 0.00 49 50 20530 -73.5 -90.5 6 17.0 -73.6 90 20 470.3 470.3 312.7 470.3 0.00 50 45 21154 -68.9 -90.9 3 22.0 -69.1 83 34 495.8 495.8 314.7 495.9 0.00 51 39 22012 -67.9 -90.9 2 23.0 -68.2 90 44 519.1 519.1 316.2 519.1 0.00 52 30 23620 -60.1 -89.1 1 29.0 -61.0 90 62 580.8 580.8 319.7 580.8 0.00 53 20 26210 -51.8 -84.3 1 32.6 -54.8 90 76 677.8 677.8 323.7 677.9 0.02 54 19 26543 -50.7 -83.7 1 33.0 -54.1 88 75 691.0 691.1 324.1 691.2 0.02 55 17 27279 -44.3 -81.3 1 37.0 -50.3 96 63 733.9 733.9 325.5 734.2 0.03 56 14 28586 -42.3 -81.3 1 39.0 -49.9 111 32 782.6 782.6 326.8 782.9 0.04 57 14 28586 -42.3 -81.3 1 39.0 -49.9 111 32 782.6 782.6 326.8 782.9 0.04 TRP 86 17454 -85.1 -89.6 44 4.5 -85.1 280 27 379.3 379.3 302.1 379.3 0.00 WND 20 26210 -51.8 -84.3 1 32.6 -54.8 90 76 677.8 677.8 323.7 677.9 0.02 Sounding variables and indices 1000-500 mb thick: 5779.00 m Freezing level: 575.00 mb = 4761.37 m = 15621.11 ft Wetbulb zero: 624.30 mb = 4096.67 m = 13440.36 ft Precipitable water: 1.68 inches Sfc-500 mean rel hum: 68.13 % Est. max temperature: 31.35 C = 88.43 F Sfc-Lift cond lev (LCL): 865.03 mb = 1368.26 m = 4488.99 ft T: 20.77 C 700-500 lapse rate: 5.13 C/km ThetaE index: 11.59 C Layer 850.0- 700.0 mb Conv cond level (CCL): 790.37 mb = 2141.73 m = 7026.58 ft Mean mixing ratio: 13.16 g/kg Conv temperature: 31.92 C = 89.46 F Cap Strength: 1.39 C Lifted Index: -0.97 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.01 C Lifted Index @700 mb: -1.02 C Showalter Index: -0.21 C Risk: Thunderstorms probable Total Totals Index: 45.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.10 C Cross Totals Index: 20.10 C K Index: 36.40 Risk: > 80 % chance of thunderstorms Sweat Index: 211.80 Risk: None Energy Index: -1.34 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 150.45 J/kg Max Up Vert Vel: 17.35 m/s Conv Inhibition (B-): 36.88 J/kg Cap Strength: 1.39 C Lift Cond Lev (LCL): 811.59 mb = 1915.66 m = 6284.89 ft Lev Free Conv (LFC): 726.59 mb = 2850.18 m = 9350.88 ft Equ Level (EL): 476.59 mb = 6246.04 m = 20492.01 ft B at Equ Level: 147.11 J/kg Max Parcel Lev (MPL): 236.59 mb = 11340.12 m = 37204.67 ft Wind level data Storm motion: 102 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 ---------------------------------------------------------- 0 972 344 350 3 0.5 -3.0 | 301 9 7.3 -4.4 1 943 610 70 14 -13.2 -4.8 | 46 9 -6.3 -6.2 2 925 784 65 14 -12.7 -5.9 | 39 9 -5.9 -7.3 3 911 914 75 14 -13.5 -3.6 | 53 8 -6.7 -5.0 4 880 1219 80 12 -11.8 -2.1 | 55 6 -5.0 -3.5 5 850 1521 80 12 -11.8 -2.1 | 55 6 -5.0 -3.5 6 850 1524 70 12 -11.3 -4.1 | 39 7 -4.5 -5.5 7 791 2134 100 8 -7.9 1.4 | 88 1 -1.1 -0.0 8 763 2438 120 13 -11.3 6.5 | 139 7 -4.4 5.1 9 709 3048 80 10 -9.8 -1.7 | 44 4 -3.0 -3.2 10 700 3161 95 7 -7.0 0.6 | 11 1 -0.2 -0.8 11 634 3962 145 2 -1.1 1.6 | 268 6 5.7 0.2 12 610 4267 100 2 -2.0 0.3 | 282 5 4.9 -1.1 13 545 5182 50 10 -7.7 -6.4 | 6 8 -0.8 -7.8 14 524 5486 25 12 -5.1 -10.9 | 352 12 1.8 -12.3 15 505 5791 50 14 -10.7 -9.0 | 21 11 -3.9 -10.4 16 500 5870 40 15 -9.6 -11.5 | 12 13 -2.8 -12.9 17 486 6096 45 14 -9.9 -9.9 | 15 12 -3.1 -11.3 18 415 7315 30 4 -2.0 -3.5 | 315 7 4.8 -4.9 19 400 7600 30 6 -3.0 -5.2 | 330 8 3.8 -6.6 20 367 8230 35 13 -7.5 -10.6 | 3 12 -0.6 -12.1 21 352 8534 10 12 -2.1 -11.8 | 340 14 4.7 -13.2 22 311 9449 130 18 -13.8 11.6 | 146 12 -7.0 10.2 23 300 9710 130 21 -16.1 13.5 | 143 15 -9.3 12.1 24 250 10970 135 37 -26.2 26.2 | 142 31 -19.3 24.7 25 239 11278 140 36 -23.1 27.6 | 148 31 -16.3 26.2 26 218 11887 155 36 -15.2 32.6 | 165 32 -8.4 31.2 27 200 12450 150 37 -18.5 32.0 | 159 33 -11.7 30.6 28 172 13411 155 46 -19.4 41.7 | 163 42 -12.6 40.3 29 156 14021 140 23 -14.8 17.6 | 154 18 -8.0 16.2 30 150 14250 165 14 -3.6 13.5 | 195 13 3.2 12.1 31 141 14630 175 13 -1.1 13.0 | 206 13 5.7 11.5 32 133 14935 240 14 12.1 7.0 | 254 20 18.9 5.6 33 114 15850 265 26 25.9 2.3 | 269 33 32.7 0.8 34 103 16459 255 24 23.2 6.2 | 261 30 30.0 4.8 35 100 16610 250 33 31.0 11.3 | 255 39 37.8 9.9 36 97 16764 250 33 31.0 11.3 | 255 39 37.8 9.9 37 92 17069 250 30 28.2 10.3 | 256 36 35.0 8.8 38 86 17454 280 27 26.6 -4.7 | 280 34 33.4 -6.1 39 83 17678 280 30 29.5 -5.2 | 280 37 36.4 -6.6 40 78 17983 290 22 20.7 -7.5 | 288 29 27.5 -8.9 41 74 18288 230 19 14.6 12.2 | 243 24 21.4 10.8 42 70 18593 260 19 18.7 3.3 | 266 26 25.5 1.9 43 70 18610 255 18 17.4 4.7 | 262 24 24.2 3.2 44 67 18898 250 14 13.2 4.8 | 260 20 20.0 3.4 45 63 19202 260 18 17.7 3.1 | 266 25 24.5 1.7 46 60 19507 235 22 18.0 12.6 | 246 27 24.8 11.2 47 54 20117 300 13 11.3 -6.5 | 294 20 18.1 -7.9 48 51 20422 70 11 -10.3 -3.8 | 34 6 -3.5 -5.2 49 50 20530 90 20 -20.0 0.0 | 84 13 -13.2 -1.4 50 48 20726 90 20 -20.0 0.0 | 84 13 -13.2 -1.4 51 44 21336 80 39 -38.4 -6.8 | 75 33 -31.6 -8.2 52 42 21641 90 37 -37.0 0.0 | 87 30 -30.2 -1.4 53 34 22860 90 60 -60.0 0.0 | 88 53 -53.2 -1.4 54 30 23620 90 62 -62.0 0.0 | 89 55 -55.2 -1.4 55 20 26210 90 76 -76.0 0.0 | 89 69 -69.2 -1.4 56 20 26213 85 74 -73.7 -6.4 | 83 67 -66.9 -7.9 57 18 26518 90 76 -76.0 0.0 | 89 69 -69.2 -1.4 58 13 27737 115 25 -22.7 10.6 | 120 18 -15.8 9.1 59 11 28346 95 12 -12.0 1.0 | 86 5 -5.1 -0.4 60 10 28956 165 23 -6.0 22.2 | 182 21 0.9 20.8 Wind Parameters Mean winds (0-6000m): 71.7 at 9.3 knts Storm direction: 101.7 at 7.0 knts Shear (0-3000m) pos: 1.8 neg: 0.7 tot: 2.4 10-3/s Storm rel Dir Shear (0-3000m): -42.0 deg Storm rel helicity (0-3000m) pos: 45.7 neg: -15.0 tot: 30.7 m^2/s^2 ave: 10.2 10^-3 m/s^2 rel: 0.21 Storm rel vorticity (0-3000m) horiz: 8.5 stream: 1.8 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 225.52 Bulk Shear: 0.67 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 64 11 27 7| 14.2 0.0 14.2| 37.6 -1.5 36.1 72.2 0.92| 18.3 16.7 1000 71 12 41 7| 6.4 0.0 6.4| 40.8 -1.5 39.3 39.3 0.83| 10.9 9.1 1500 74 12 43 7| 3.6 0.0 3.6| 42.7 -4.4 38.3 25.5 0.65| 9.1 6.0 2000 79 11 48 5| 3.4 0.0 3.4| 44.7 -4.4 40.2 20.1 0.61| 8.6 5.3 2500 85 11 62 5| 2.7 0.8 3.6| 45.7 -11.6 34.2 13.7 0.38| 8.5 3.3 3000 86 11 62 5| 1.8 0.7 2.4| 45.7 -15.0 30.7 10.2 0.21| 8.5 1.8 4000 88 9 51 3| 1.2 0.8 1.9| 49.1 -15.1 34.0 8.5 0.23| 7.3 1.7 5000 82 8 32 3| 0.9 1.6 2.6| 53.8 -17.9 35.9 7.2 0.25| 7.0 1.7 6000 72 9 25 5| 0.8 1.2 1.9| 68.5 -26.8 41.7 7.0 0.24| 6.8 1.6 Wrote GIF file: /home/apache/climate/data/raob//SBTS/skewt/SBTS.skewt.20251209.00.gif