UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121212.upa.cvt Date: 1200Z 12 DEC 25 Searching for SBTS... Searching the city database file for: SBTS ... Date:1200Z 12 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 100 SFC 972 344 25.0 21.1 79 3.9 22.2 350 5 300.6 303.6 296.4 348.8 16.42 2 939 651 21.8 19.7 88 2.1 20.4 65 17 300.3 303.2 295.7 345.9 15.57 3 925 783 21.0 18.6 86 2.4 19.4 65 22 300.8 303.5 295.3 344.1 14.74 4 850 1510 16.8 15.6 93 1.2 16.0 85 26 303.7 306.2 295.1 343.1 13.23 5 840 1611 15.8 15.6 99 0.2 15.7 86 26 303.7 306.2 295.1 343.5 13.39 6 834 1672 16.6 14.6 88 2.0 15.3 83 26 305.2 307.5 295.0 343.0 12.63 7 707 3069 11.0 5.0 66 6.0 7.4 81 21 313.8 315.3 293.8 338.0 7.76 8 700 3152 10.4 5.5 72 4.9 7.5 80 21 314.0 315.6 294.1 339.3 8.12 9 631 4009 4.2 1.6 83 2.6 2.7 79 16 316.4 317.7 293.8 338.0 6.83 10 620 4153 4.6 -0.3 70 4.9 2.0 85 14 318.4 319.6 293.8 337.8 6.05 11 500 5880 -5.5 -7.5 86 2.0 -6.4 75 14 326.3 327.2 294.5 340.8 4.36 12 495 5959 -6.1 -8.0 86 1.9 -7.0 75 14 326.5 327.4 294.5 340.7 4.23 13 460 6530 -8.3 -12.9 69 4.6 -10.2 72 19 330.7 331.3 294.6 341.3 3.08 14 421 7212 -13.3 -15.1 86 1.8 -14.0 60 19 332.8 333.4 294.9 342.6 2.81 15 400 7600 -15.1 -18.5 75 3.4 -16.3 85 11 335.4 335.8 295.1 343.2 2.22 16 354 8510 -21.7 -25.4 72 3.7 -22.7 64 8 338.4 338.7 295.1 343.4 1.37 17 338 8849 -22.7 -35.7 30 13.0 -25.1 336 11 341.5 341.7 295.2 343.6 0.54 18 316 9338 -27.1 -35.1 47 8.0 -28.5 310 15 342.1 342.2 295.4 344.4 0.61 19 300 9710 -29.1 -52.1 9 23.0 -31.3 290 19 344.4 344.4 295.4 344.8 0.10 20 295 9829 -30.1 -55.1 7 25.0 -32.2 287 19 344.6 344.6 295.5 344.9 0.07 21 252 10926 -39.5 -60.5 9 21.0 -40.5 247 24 346.5 346.6 295.9 346.7 0.04 22 250 10980 -40.1 -60.1 10 20.0 -41.1 245 24 346.4 346.5 295.9 346.6 0.05 23 211 12112 -50.7 -57.7 43 7.0 -51.0 255 26 347.1 347.1 296.1 347.4 0.07 24 205 12300 -51.5 -62.5 26 11.0 -51.8 258 27 348.7 348.8 296.4 348.9 0.04 25 200 12460 -53.1 -62.1 33 9.0 -53.4 260 28 348.7 348.7 296.4 348.9 0.04 26 181 13097 -58.9 -65.9 40 7.0 -59.0 258 26 349.3 349.3 296.5 349.5 0.03 27 170 13490 -60.3 -73.3 17 13.0 -60.4 251 27 353.3 353.3 297.4 353.4 0.01 28 150 14260 -66.7 -72.7 42 6.0 -66.7 225 34 355.2 355.2 297.7 355.2 0.01 29 137 14801 -71.1 -75.9 49 4.8 -71.1 217 41 356.7 356.7 298.1 356.8 0.01 30 120 15570 -77.5 -83.5 37 6.0 -77.5 212 33 358.8 358.8 298.5 358.8 0.00 31 101 16544 -81.7 -88.7 29 7.0 -81.7 229 21 368.8 368.8 300.4 368.8 0.00 32 100 16600 -81.9 -88.9 29 7.0 -81.9 230 21 369.5 369.5 300.5 369.5 0.00 33 94 16949 -80.7 -88.7 25 8.0 -80.7 227 15 378.4 378.4 302.0 378.5 0.00 34 81 17775 -87.9 -91.9 47 4.0 -87.9 360 11 380.1 380.1 302.3 380.1 0.00 35 75 18196 -86.3 -91.3 40 5.0 -86.3 234 12 391.9 391.9 304.0 392.0 0.00 36 71 18500 -81.5 -88.5 29 7.0 -81.5 114 12 408.4 408.4 306.3 408.4 0.00 37 70 18580 -82.5 -88.5 35 6.0 -82.5 85 13 407.9 407.9 306.2 407.9 0.00 38 67 18824 -81.3 -88.3 30 7.0 -81.3 85 11 415.6 415.6 307.2 415.6 0.00 39 61 19347 -82.5 -89.5 29 7.0 -82.5 109 15 424.3 424.3 308.2 424.3 0.00 40 58 19633 -75.5 -87.5 14 12.0 -75.6 94 7 446.2 446.2 310.5 446.2 0.00 41 50 20500 -70.3 -90.3 4 20.0 -70.5 85 37 477.8 477.8 313.2 477.8 0.00 42 48 20744 -68.9 -89.9 3 21.0 -69.1 85 38 486.8 486.8 314.0 486.8 0.00 43 44 21264 -70.7 -90.7 4 20.0 -70.9 85 51 494.6 494.6 314.5 494.7 0.00 44 39 21992 -64.5 -89.5 2 25.0 -64.9 93 51 527.7 527.7 316.8 527.7 0.00 45 36 22482 -65.1 -90.1 2 25.0 -65.5 77 55 538.4 538.4 317.4 538.4 0.00 46 35 22656 -61.9 -88.9 2 27.0 -62.6 83 55 551.1 551.1 318.2 551.1 0.00 47 30 23620 -58.1 -87.1 1 29.0 -59.2 90 62 586.2 586.3 320.0 586.3 0.01 48 29 23834 -57.5 -86.5 1 29.0 -58.7 90 63 593.6 593.6 320.3 593.7 0.01 49 27 24287 -56.6 -86.1 1 29.4 -58.1 90 65 608.4 608.4 321.0 608.4 0.01 50 21 25893 -53.5 -84.5 1 31.0 -55.9 94 58 663.1 663.1 323.2 663.2 0.01 51 20 26210 -49.9 -82.9 1 33.0 -53.4 95 56 683.4 683.4 323.9 683.6 0.02 52 18 26907 -44.9 -79.9 1 35.0 -50.4 95 53 720.1 720.1 325.1 720.4 0.04 TRP 81 17775 -87.9 -91.9 47 4.0 -87.9 360 11 380.1 380.1 302.3 380.1 0.00 WND 27 24287 -56.6 -86.1 1 29.4 -58.1 90 65 608.4 608.4 321.0 608.4 0.01 Sounding variables and indices 1000-500 mb thick: 5780.00 m Freezing level: 565.35 mb = 4939.65 m = 16206.00 ft Wetbulb zero: 592.02 mb = 4523.82 m = 14841.74 ft Precipitable water: 1.98 inches Sfc-500 mean rel hum: 80.00 % Est. max temperature: 30.31 C = 86.56 F Sfc-Lift cond lev (LCL): 918.43 mb = 844.30 m = 2769.99 ft T: 20.65 C 700-500 lapse rate: 5.83 C/km ThetaE index: 5.68 C Layer 939.0- 840.0 mb Conv cond level (CCL): 866.41 mb = 1345.63 m = 4414.76 ft Mean mixing ratio: 14.90 g/kg Conv temperature: 27.48 C = 81.47 F Cap Strength: 1.43 C Lifted Index: -0.72 C Risk: Thunderstorms probable Lifted Index @300 mb: 1.99 C Lifted Index @700 mb: 1.18 C Showalter Index: 0.05 C Risk: Thunderstorms probable Total Totals Index: 43.40 C Risk: None Vertical Totals Index: 22.30 C Cross Totals Index: 21.10 C K Index: 33.00 Risk: 60-80 % chance of thunderstorms Sweat Index: 253.20 Risk: None Energy Index: -0.48 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 55.23 J/kg Max Up Vert Vel: 10.51 m/s Conv Inhibition (B-): 75.02 J/kg Cap Strength: 1.41 C Lift Cond Lev (LCL): 890.31 mb = 1111.64 m = 3647.06 ft Lev Free Conv (LFC): 655.31 mb = 3697.07 m = 12129.36 ft Equ Level (EL): 615.31 mb = 4214.12 m = 13825.70 ft B at Equ Level: 17.46 J/kg Max Parcel Lev (MPL): 305.31 mb = 9584.27 m = 31444.07 ft Wind level data Storm motion: 110 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 ---------------------------------------------------------- 0 972 344 350 5 0.9 -4.9 | 306 16 13.3 -9.5 1 943 610 65 15 -13.6 -6.3 | 6 11 -1.2 -10.9 2 925 783 65 22 -19.9 -9.3 | 28 16 -7.5 -13.9 3 911 914 65 23 -20.8 -9.7 | 31 17 -8.4 -14.3 4 850 1510 85 26 -25.9 -2.3 | 63 15 -13.5 -6.8 5 849 1524 90 25 -25.0 0.0 | 70 13 -12.6 -4.6 6 819 1829 75 27 -26.1 -7.0 | 50 18 -13.7 -11.6 7 790 2134 75 25 -24.1 -6.5 | 47 16 -11.7 -11.1 8 762 2438 85 23 -22.9 -2.0 | 58 12 -10.5 -6.6 9 700 3152 80 21 -20.7 -3.6 | 45 12 -8.3 -8.2 10 658 3658 65 21 -19.0 -8.9 | 26 15 -6.6 -13.5 11 610 4267 90 12 -12.0 0.0 | 355 5 0.4 -4.6 12 566 4877 110 10 -9.4 3.4 | 291 3 3.0 -1.2 13 545 5182 135 6 -4.2 4.2 | 272 8 8.2 -0.3 14 525 5486 140 10 -6.4 7.7 | 243 7 6.0 3.1 15 506 5791 70 12 -11.3 -4.1 | 353 9 1.1 -8.7 16 500 5880 75 14 -13.5 -3.6 | 8 8 -1.1 -8.2 17 486 6096 75 15 -14.5 -3.9 | 14 9 -2.1 -8.5 18 467 6401 80 17 -16.7 -3.0 | 30 9 -4.3 -7.5 19 449 6706 60 21 -18.2 -10.5 | 21 16 -5.8 -15.1 20 415 7315 60 18 -15.6 -9.0 | 13 14 -3.2 -13.6 21 400 7600 85 11 -11.0 -1.0 | 345 6 1.5 -5.5 22 383 7925 90 10 -10.0 0.0 | 332 5 2.4 -4.6 23 367 8230 60 9 -7.8 -4.5 | 333 10 4.6 -9.1 24 352 8534 65 8 -7.3 -3.4 | 327 9 5.2 -8.0 25 338 8839 335 11 4.6 -10.0 | 310 22 17.1 -14.6 26 300 9710 290 19 17.9 -6.5 | 290 32 30.3 -11.1 27 298 9754 290 19 17.9 -6.5 | 290 32 30.3 -11.1 28 250 10980 245 24 21.8 10.1 | 261 35 34.2 5.6 29 239 11278 245 23 20.8 9.7 | 261 34 33.3 5.1 30 200 12460 260 28 27.6 4.9 | 270 40 40.0 0.3 31 189 12802 260 26 25.6 4.5 | 270 38 38.0 -0.1 32 172 13411 255 26 25.1 6.7 | 267 38 37.5 2.1 33 156 14021 220 33 21.2 25.3 | 238 39 33.6 20.7 34 150 14260 225 34 24.0 24.0 | 242 41 36.5 19.5 35 133 14935 215 43 24.7 35.2 | 230 48 37.1 30.6 36 114 15850 210 28 14.0 24.2 | 233 33 26.4 19.7 37 108 16154 220 19 12.2 14.6 | 248 27 24.6 10.0 38 100 16600 230 21 16.1 13.5 | 253 30 28.5 8.9 39 97 16764 230 21 16.1 13.5 | 253 30 28.5 8.9 40 92 17069 225 11 7.8 7.8 | 261 20 20.2 3.2 41 87 17374 305 10 8.2 -5.7 | 297 23 20.6 -10.3 42 82 17678 310 12 9.2 -7.7 | 300 25 21.6 -12.3 43 81 17775 360 11 -0.0 -11.0 | 321 20 12.4 -15.6 44 78 17983 330 13 6.5 -11.3 | 310 25 18.9 -15.8 45 74 18288 195 11 2.8 10.6 | 248 16 15.3 6.0 46 70 18580 85 13 -13.0 -1.1 | 5 6 -0.5 -5.7 47 66 18898 85 10 -10.0 -0.9 | 336 6 2.5 -5.5 48 63 19202 90 21 -21.0 0.0 | 62 10 -8.6 -4.6 49 60 19507 125 10 -8.2 5.7 | 255 4 4.2 1.2 50 56 19812 60 3 -2.6 -1.5 | 302 12 9.8 -6.1 51 53 20117 30 12 -6.0 -10.4 | 337 16 6.4 -15.0 52 50 20500 85 37 -36.9 -3.2 | 72 26 -24.4 -7.8 53 48 20726 85 37 -36.9 -3.2 | 72 26 -24.4 -7.8 54 44 21336 85 52 -51.8 -4.5 | 77 40 -39.4 -9.1 55 39 21946 95 50 -49.8 4.4 | 90 37 -37.4 -0.2 56 38 22250 85 55 -54.8 -4.8 | 78 43 -42.4 -9.4 57 36 22555 75 55 -53.1 -14.2 | 65 45 -40.7 -18.8 58 34 22860 95 54 -53.8 4.7 | 90 41 -41.4 0.1 59 30 23620 90 62 -62.0 0.0 | 85 50 -49.6 -4.6 60 27 24287 90 65 -65.0 0.0 | 85 53 -52.6 -4.6 61 25 24689 90 65 -65.0 0.0 | 85 53 -52.6 -4.6 62 20 26210 95 56 -55.8 4.9 | 90 43 -43.4 0.3 63 18 26518 95 57 -56.8 5.0 | 90 44 -44.4 0.4 64 16 27127 95 26 -25.9 2.3 | 80 14 -13.5 -2.3 Wind Parameters Mean winds (0-6000m): 80.3 at 17.6 knts Storm direction: 110.3 at 13.2 knts Shear (0-3000m) pos: 3.7 neg: 0.9 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): 91.7 deg Storm rel helicity (0-3000m) pos: 130.3 neg: -38.7 tot: 91.6 m^2/s^2 ave: 30.5 10^-3 m/s^2 rel: 0.45 Storm rel vorticity (0-3000m) horiz: 9.0 stream: 4.1 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 9.71 Bulk Shear: 5.69 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 60 14 0 12| 22.3 0.0 22.3| 77.2 0.0 77.2 154.5 0.89| 24.2 21.4 1000 67 19 24 13| 13.2 0.0 13.2|105.1 0.0 105.1 105.1 0.90| 15.6 14.1 1500 74 21 38 13| 8.8 0.9 9.7|120.4 -21.4 99.0 66.0 0.63| 14.2 9.0 2000 74 22 41 14| 6.0 0.7 6.7|127.5 -24.8 102.7 51.4 0.59| 11.9 7.0 2500 76 22 43 14| 4.5 0.5 5.0|130.3 -29.6 100.7 40.3 0.54| 10.2 5.5 3000 77 22 44 13| 3.7 0.9 4.6|130.3 -38.7 91.6 30.5 0.45| 9.0 4.1 4000 76 21 40 13| 2.4 0.7 3.1|130.4 -54.5 75.9 19.0 0.26| 8.7 2.2 5000 79 19 36 10| 1.9 0.6 2.5|130.4 -62.5 67.9 13.6 0.14| 8.1 1.1 6000 80 18 33 9| 1.8 1.3 3.1|146.7 -64.8 81.9 13.6 0.22| 8.4 1.9 Wrote GIF file: /home/apache/climate/data/raob//SBTS/skewt/SBTS.skewt.20251212.12.gif