UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011712.upa.cvt Date: 1200Z 17 JAN 26 Searching for SBVT... Searching the city database file for: SBVT ... Date:1200Z 17 JAN 26 Station: SBVT WMO ident: 83649 Latitude: -20.26 Longitude: -40.29 Elevation: 4.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1015 4 26.4 21.8 76 4.6 23.1 350 10 298.3 301.3 295.7 346.0 16.41 1 1008 63 26.4 20.4 70 6.0 22.2 352 10 298.9 301.6 295.0 342.9 15.13 2 1000 131 25.6 19.6 69 6.0 21.4 355 11 298.8 301.4 294.6 341.0 14.50 3 939 682 20.4 18.3 88 2.1 18.9 19 13 298.9 301.5 294.4 340.4 14.23 4 925 812 19.8 16.3 80 3.5 17.4 25 14 299.6 301.9 293.5 336.7 12.70 5 890 1144 18.0 13.0 73 5.0 14.8 29 14 301.0 303.0 292.3 332.3 10.63 6 872 1319 16.4 14.8 90 1.6 15.4 31 15 301.1 303.4 293.6 337.1 12.23 7 850 1536 15.4 11.9 80 3.5 13.1 35 15 302.3 304.2 292.5 332.9 10.35 8 765 2425 11.4 7.8 79 3.6 9.2 45 8 307.2 308.8 292.7 333.6 8.71 9 755 2536 12.0 3.0 54 9.0 6.9 48 8 309.0 310.2 291.3 328.4 6.30 10 717 2967 9.2 -7.8 29 17.0 1.5 62 10 310.5 311.1 288.7 320.0 2.96 11 712 3025 8.6 -0.4 53 9.0 3.9 64 10 310.5 311.5 290.8 326.8 5.22 12 700 3166 8.2 -7.8 31 16.0 1.0 50 12 311.6 312.1 289.1 321.3 3.03 13 661 3636 6.0 -26.0 8 32.0 -3.7 31 10 314.2 314.4 287.6 316.6 0.69 14 622 4130 2.8 -23.2 13 26.0 -5.4 45 9 316.1 316.3 288.5 319.3 0.95 15 602 4393 1.0 -7.0 55 8.0 -2.7 50 9 317.0 317.7 291.5 329.1 3.76 16 570 4830 -0.5 -14.5 34 14.0 -6.0 77 10 320.2 320.6 291.0 327.5 2.18 17 529 5420 -4.9 -24.9 19 20.0 -10.7 72 2 321.8 322.0 290.3 325.2 0.96 18 500 5860 -8.3 -28.3 18 20.0 -13.4 85 2 322.9 323.1 290.5 325.6 0.74 19 482 6144 -9.5 -32.5 13 23.0 -14.7 146 8 324.8 324.9 290.8 326.7 0.52 20 462 6470 -12.3 -28.3 25 16.0 -16.2 161 11 325.3 325.5 291.2 328.2 0.80 21 459 6520 -12.7 -21.7 47 9.0 -15.4 170 12 325.4 325.7 291.9 330.5 1.47 22 450 6671 -13.3 -23.3 43 10.0 -16.2 197 13 326.5 326.8 292.0 331.1 1.30 23 443 6790 -13.9 -15.6 87 1.7 -14.5 205 13 327.2 327.7 293.3 336.0 2.56 24 435 6929 -14.5 -14.9 97 0.4 -14.6 205 14 328.2 328.7 293.7 337.6 2.77 25 400 7560 -18.3 -21.2 78 2.9 -19.1 180 13 331.2 331.6 293.7 337.4 1.76 26 384 7864 -20.5 -26.5 59 6.0 -22.0 168 13 332.2 332.4 293.4 336.3 1.14 27 317 9253 -32.1 -33.6 86 1.5 -32.3 190 18 334.8 335.0 293.7 337.5 0.71 28 301 9617 -35.1 -39.8 62 4.7 -35.6 203 16 335.6 335.7 293.6 337.1 0.40 29 300 9640 -35.1 -39.6 63 4.5 -35.6 205 16 335.9 336.0 293.7 337.5 0.41 30 294 9780 -36.3 -39.5 72 3.2 -36.7 206 16 336.1 336.2 293.7 337.8 0.42 31 271 10338 -40.3 -47.3 47 7.0 -40.8 197 27 338.3 338.3 294.1 339.0 0.20 32 265 10489 -41.9 -46.9 58 5.0 -42.3 187 30 338.1 338.1 294.0 338.9 0.21 33 256 10721 -43.5 -63.5 9 20.0 -44.2 174 33 339.1 339.1 294.1 339.2 0.03 34 250 10880 -44.1 -65.1 8 21.0 -44.8 170 33 340.5 340.5 294.4 340.6 0.02 35 241 11125 -45.7 -58.7 22 13.0 -46.2 171 36 341.7 341.7 294.8 341.9 0.06 36 234 11320 -47.1 -51.5 61 4.4 -47.3 172 38 342.5 342.5 295.0 343.0 0.14 37 221 11696 -50.1 -52.4 77 2.3 -50.2 174 42 343.5 343.5 295.3 344.0 0.14 38 208 12089 -52.9 -60.9 37 8.0 -53.1 175 40 345.1 345.1 295.6 345.3 0.05 39 202 12276 -54.5 -59.4 55 4.9 -54.6 175 35 345.5 345.5 295.7 345.7 0.06 40 200 12340 -54.9 -62.9 36 8.0 -55.1 175 34 345.8 345.8 295.7 346.0 0.04 41 190 12667 -57.1 -58.5 84 1.4 -57.1 177 34 347.4 347.4 296.1 347.7 0.08 42 186 12802 -58.1 -61.4 66 3.3 -58.2 178 35 347.9 347.9 296.2 348.1 0.05 43 182 12939 -59.5 -61.2 80 1.7 -59.5 179 35 347.8 347.8 296.2 348.0 0.06 44 176 13149 -60.1 -67.1 39 7.0 -60.2 179 35 350.2 350.2 296.7 350.3 0.03 45 175 13185 -60.5 -64.6 58 4.1 -60.6 177 35 350.1 350.1 296.7 350.2 0.04 46 171 13329 -61.1 -70.1 29 9.0 -61.2 171 36 351.4 351.4 297.0 351.5 0.02 47 159 13781 -62.1 -79.1 9 17.0 -62.2 160 35 357.1 357.1 298.1 357.1 0.00 48 150 14140 -64.3 -80.3 9 16.0 -64.4 190 20 359.3 359.3 298.5 359.3 0.00 49 143 14432 -64.9 -80.9 9 16.0 -65.0 186 20 363.2 363.2 299.3 363.2 0.00 50 101 16502 -74.7 -88.7 10 14.0 -74.7 125 18 382.3 382.3 302.6 382.3 0.00 51 100 16560 -74.7 -88.7 10 14.0 -74.7 140 21 383.4 383.4 302.8 383.4 0.00 52 94 16919 -76.7 -89.7 11 13.0 -76.7 145 18 386.3 386.3 303.2 386.3 0.00 53 80 17845 -78.3 -89.3 15 11.0 -78.3 119 18 401.3 401.3 305.4 401.3 0.00 54 70 18610 -77.7 -89.7 13 12.0 -77.7 110 30 418.2 418.2 307.5 418.2 0.00 55 68 18776 -77.5 -90.5 11 13.0 -77.6 113 32 422.1 422.1 308.0 422.1 0.00 56 56 19899 -73.5 -89.5 7 16.0 -73.6 113 22 455.3 455.3 311.4 455.3 0.00 57 50 20570 -67.9 -88.9 3 21.0 -68.1 100 32 483.5 483.5 313.7 483.5 0.00 58 42 21632 -62.9 -87.9 2 25.0 -63.4 95 34 520.6 520.6 316.4 520.6 0.00 59 38 22247 -63.9 -87.9 2 24.0 -64.4 95 34 533.1 533.1 317.1 533.2 0.00 60 35 22756 -60.3 -87.3 2 27.0 -61.1 87 37 555.2 555.2 318.4 555.3 0.01 61 30 23720 -59.1 -86.1 2 27.0 -60.1 95 37 583.5 583.5 319.8 583.6 0.01 62 24 25123 -57.5 -85.5 2 28.0 -59.0 72 37 626.6 626.6 321.7 626.7 0.01 63 20 26290 -51.5 -81.5 2 30.0 -54.5 75 37 678.5 678.5 323.7 678.7 0.03 64 19 26624 -50.1 -81.1 1 31.0 -53.7 76 39 692.9 692.9 324.2 693.1 0.03 TRP 94 16919 -76.7 -89.7 11 13.0 -76.7 145 18 386.3 386.3 303.2 386.3 0.00 WND Sounding variables and indices 1000-500 mb thick: 5729.00 m Freezing level: 580.67 mb = 4683.97 m = 15367.16 ft Wetbulb zero: 692.04 mb = 3259.81 m = 10694.78 ft Precipitable water: 1.54 inches Sfc-500 mean rel hum: 49.04 % Est. max temperature: 29.62 C = 85.32 F Sfc-Lift cond lev (LCL): 949.49 mb = 584.62 m = 1918.01 ft T: 21.32 C 700-500 lapse rate: 6.12 C/km ThetaE index: 13.64 C Layer 755.0- 712.0 mb Conv cond level (CCL): 881.28 mb = 1227.97 m = 4028.74 ft Mean mixing ratio: 14.16 g/kg Conv temperature: 29.20 C = 84.56 F Cap Strength: 1.26 C Lifted Index: -1.64 C Risk: Thunderstorms probable Lifted Index @300 mb: -1.19 C Lifted Index @700 mb: 0.45 C Showalter Index: 1.58 C Risk: Showers probable Total Totals Index: 43.90 C Risk: None Vertical Totals Index: 23.70 C Cross Totals Index: 20.20 C K Index: 19.60 Risk: < 20 % chance of thunderstorms Sweat Index: 174.80 Risk: None Energy Index: -1.36 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 232.88 J/kg Max Up Vert Vel: 21.58 m/s Conv Inhibition (B-): 52.12 J/kg Cap Strength: 1.23 C Lift Cond Lev (LCL): 908.79 mb = 964.11 m = 3163.04 ft Lev Free Conv (LFC): 623.79 mb = 4106.42 m = 13472.36 ft Equ Level (EL): 573.79 mb = 4776.63 m = 15671.17 ft B at Equ Level: 8.80 J/kg Max Parcel Lev (MPL): 183.79 mb = 12877.32 m = 42247.90 ft Wind level data Storm motion: 70 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 1015 4 350 10 1.7 -9.8 | 311 11 8.6 -7.4 1 1000 131 355 11 1.0 -11.0 | 317 12 7.8 -8.5 2 980 305 350 10 1.7 -9.8 | 311 11 8.6 -7.4 3 947 610 15 12 -3.1 -11.6 | 338 10 3.8 -9.2 4 925 812 25 14 -5.9 -12.7 | 355 10 1.0 -10.2 5 914 914 25 14 -5.9 -12.7 | 355 10 1.0 -10.2 6 850 1536 35 15 -8.6 -12.3 | 10 10 -1.7 -9.8 7 792 2134 45 12 -8.5 -8.5 | 15 6 -1.6 -6.0 8 763 2438 45 8 -5.7 -5.7 | 339 3 1.2 -3.2 9 710 3048 65 10 -9.1 -4.2 | 51 3 -2.2 -1.8 10 700 3166 50 12 -9.2 -7.7 | 24 6 -2.3 -5.3 11 658 3658 30 10 -5.0 -8.7 | 343 7 1.9 -6.2 12 610 4267 50 8 -6.1 -5.1 | 344 3 0.8 -2.7 13 587 4572 50 11 -8.4 -7.1 | 18 5 -1.5 -4.6 14 565 4877 85 10 -10.0 -0.9 | 117 3 -3.1 1.6 15 524 5486 70 1 -0.9 -0.3 | 251 6 5.9 2.1 16 500 5860 85 2 -2.0 -0.2 | 245 5 4.9 2.3 17 485 6096 145 7 -4.0 5.7 | 199 9 2.9 8.2 18 466 6401 150 11 -5.5 9.5 | 187 12 1.4 12.0 19 447 6706 205 13 5.5 11.8 | 221 19 12.4 14.2 20 413 7315 205 16 6.8 14.5 | 219 22 13.6 16.9 21 400 7560 180 13 0.0 13.0 | 204 17 6.9 15.4 22 380 7925 165 13 -3.4 12.6 | 193 15 3.5 15.0 23 365 8230 175 20 -1.7 19.9 | 193 23 5.1 22.4 24 350 8534 190 23 4.0 22.7 | 203 27 10.9 25.1 25 308 9449 190 17 3.0 16.7 | 207 22 9.8 19.2 26 300 9640 205 16 6.8 14.5 | 219 22 13.6 16.9 27 295 9754 205 16 6.8 14.5 | 219 22 13.6 16.9 28 282 10058 215 22 12.6 18.0 | 224 28 19.5 20.5 29 258 10668 175 33 -2.9 32.9 | 186 36 4.0 35.3 30 250 10880 170 33 -5.7 32.5 | 182 35 1.2 34.9 31 214 11887 175 44 -3.8 43.8 | 184 46 3.1 46.3 32 200 12340 175 34 -3.0 33.9 | 186 37 3.9 36.3 33 177 13106 180 35 0.0 35.0 | 190 38 6.9 37.4 34 161 13716 155 37 -15.6 33.5 | 166 37 -8.8 36.0 35 150 14140 190 20 3.5 19.7 | 205 24 10.4 22.1 36 145 14326 190 20 3.5 19.7 | 205 24 10.4 22.1 37 131 14935 165 20 -5.2 19.3 | 184 22 1.7 21.8 38 125 15240 180 15 0.0 15.0 | 202 19 6.9 17.4 39 119 15545 150 11 -5.5 9.5 | 187 12 1.4 12.0 40 113 15850 155 19 -8.0 17.2 | 177 20 -1.1 19.7 41 102 16459 115 16 -14.5 6.8 | 140 12 -7.6 9.2 42 100 16560 140 21 -13.5 16.1 | 160 20 -6.6 18.5 43 97 16764 140 21 -13.5 16.1 | 160 20 -6.6 18.5 44 94 16919 145 18 -10.3 14.7 | 169 18 -3.4 17.2 45 92 17069 130 16 -12.3 10.3 | 157 14 -5.4 12.7 46 87 17374 150 23 -11.5 19.9 | 168 23 -4.6 22.4 47 78 17983 110 17 -16.0 5.8 | 132 12 -9.1 8.3 48 70 18610 110 30 -28.2 10.3 | 121 25 -21.3 12.7 49 67 18898 115 33 -29.9 13.9 | 125 28 -23.0 16.4 50 63 19202 95 25 -24.9 2.2 | 104 19 -18.0 4.6 51 60 19507 85 21 -20.9 -1.8 | 92 14 -14.0 0.6 52 57 19812 115 20 -18.1 8.5 | 134 16 -11.2 10.9 53 51 20422 105 32 -30.9 8.3 | 114 26 -24.0 10.7 54 50 20570 100 32 -31.5 5.6 | 108 26 -24.6 8.0 55 49 20726 95 28 -27.9 2.4 | 103 22 -21.0 4.9 56 46 21031 100 32 -31.5 5.6 | 108 26 -24.6 8.0 57 42 21641 95 34 -33.9 3.0 | 101 28 -27.0 5.4 58 40 21946 70 26 -24.4 -8.9 | 70 19 -17.5 -6.5 59 38 22250 95 34 -33.9 3.0 | 101 28 -27.0 5.4 60 36 22555 85 37 -36.9 -3.2 | 88 30 -30.0 -0.8 61 30 23720 95 37 -36.9 3.2 | 101 31 -30.0 5.7 62 30 23774 105 38 -36.7 9.8 | 112 32 -29.8 12.3 63 22 25603 60 36 -31.2 -18.0 | 57 29 -24.3 -15.6 64 20 26290 75 37 -35.7 -9.6 | 76 30 -28.9 -7.1 65 16 27127 80 44 -43.3 -7.6 | 82 37 -36.4 -5.2 Wind Parameters Mean winds (0-6000m): 40.5 at 9.7 knts Storm direction: 70.5 at 7.3 knts Shear (0-3000m) pos: 2.0 neg: 0.0 tot: 2.0 10-3/s Storm rel Dir Shear (0-3000m): 94.2 deg Storm rel helicity (0-3000m) pos: 36.2 neg: -6.2 tot: 30.0 m^2/s^2 ave: 10.0 10^-3 m/s^2 rel: 0.50 Storm rel vorticity (0-3000m) horiz: 4.1 stream: 2.0 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 28.32 Bulk Shear: 8.22 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 ------------------------------------------------------------------------------- 500 355 11 316 11| 3.4 0.0 3.4| 12.3 -3.2 9.1 18.3 0.59| 5.6 3.3 1000 9 12 332 10| 4.4 0.0 4.4| 26.2 -3.2 23.0 23.0 0.78| 5.5 4.3 1500 18 13 343 10| 3.6 0.0 3.6| 32.0 -3.2 28.9 19.2 0.82| 4.4 3.6 2000 23 13 350 10| 2.7 0.0 2.7| 33.8 -3.2 30.7 15.3 0.71| 4.1 2.9 2500 27 12 352 9| 1.8 0.0 1.8| 33.9 -6.2 27.8 11.1 0.43| 4.3 1.8 3000 31 12 354 8| 2.0 0.0 2.0| 36.2 -6.2 30.0 10.0 0.50| 4.1 2.0 4000 33 12 356 7| 1.6 0.6 2.2| 36.5 -14.4 22.1 5.5 0.19| 4.3 0.8 5000 38 11 359 6| 1.8 0.5 2.3| 44.2 -14.4 29.8 6.0 0.34| 4.6 1.6 6000 40 10 354 5| 1.9 0.9 2.8| 46.0 -19.9 26.1 4.4 0.26| 4.9 1.3 Wrote GIF file: /home/apache/climate/data/raob//SBVT/skewt/SBVT.skewt.20260117.12.gif