UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011512.upa.cvt Date: 1200Z 15 JAN 26 Searching for SBVT... Searching the city database file for: SBVT ... Date:1200Z 15 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 1018 4 27.2 21.2 70 6.0 22.9 10 5 298.8 301.7 295.4 344.7 15.76 1 1000 161 25.4 20.5 74 4.9 21.9 360 5 298.5 301.3 295.1 343.2 15.35 2 939 711 20.0 19.2 95 0.8 19.5 43 9 298.5 301.2 294.9 342.3 15.08 3 925 841 19.4 17.3 88 2.1 18.0 40 11 299.1 301.6 294.0 338.7 13.55 4 882 1251 17.4 12.8 74 4.6 14.4 60 13 301.2 303.1 292.4 332.4 10.59 5 850 1567 14.6 11.8 83 2.8 12.9 65 15 301.4 303.3 292.2 331.8 10.28 6 822 1849 12.0 12.0 100 0.0 12.0 63 19 301.6 303.6 292.6 333.4 10.78 7 810 1972 11.0 10.9 99 0.1 10.9 61 21 301.8 303.7 292.2 331.9 10.16 8 804 2034 10.8 7.5 80 3.3 8.9 61 22 302.2 303.7 290.7 326.4 8.12 9 791 2170 13.2 -6.8 24 20.0 4.0 61 23 306.2 306.8 287.2 315.3 2.90 10 739 2739 11.0 -4.0 35 15.0 3.7 63 17 309.8 310.5 289.3 321.9 3.85 11 720 2956 9.2 2.2 62 7.0 5.3 61 12 310.2 311.3 291.6 329.5 6.24 12 715 3014 10.4 -8.6 25 19.0 1.8 60 11 312.1 312.6 289.0 321.1 2.79 13 711 3060 10.4 -0.6 46 11.0 4.5 63 10 312.6 313.6 291.4 328.8 5.15 14 700 3190 9.4 -0.6 50 10.0 4.1 100 4 312.9 313.9 291.5 329.4 5.23 15 653 3762 4.4 0.4 75 4.0 2.2 134 5 313.5 314.7 292.4 332.5 6.04 16 622 4157 3.0 -12.0 32 15.0 -3.2 157 5 316.3 316.8 290.1 324.4 2.45 17 607 4354 1.4 -10.6 40 12.0 -3.7 165 5 316.7 317.2 290.5 325.9 2.81 18 542 5258 -4.1 -30.1 11 26.0 -10.8 159 6 320.6 320.7 289.6 322.6 0.58 19 530 5434 -5.7 -20.7 30 15.0 -10.5 158 6 320.7 321.0 290.4 325.5 1.39 20 526 5494 -5.9 -29.9 13 24.0 -11.9 158 6 321.2 321.3 289.8 323.3 0.61 21 519 5599 -6.3 -17.3 41 11.0 -10.2 157 7 321.9 322.3 291.2 328.3 1.90 22 511 5720 -6.7 -20.7 32 14.0 -11.2 156 7 322.9 323.1 291.1 327.8 1.44 23 501 5874 -7.9 -18.9 41 11.0 -11.6 155 7 323.2 323.6 291.5 329.1 1.71 24 500 5890 -8.1 -19.1 41 11.0 -11.8 155 7 323.2 323.5 291.4 329.0 1.69 25 472 6333 -11.9 -22.9 40 11.0 -15.0 117 4 323.8 324.1 291.2 328.3 1.28 26 465 6447 -12.5 -28.5 25 16.0 -16.4 110 4 324.5 324.6 290.9 327.3 0.78 27 459 6546 -12.1 -43.1 6 31.0 -17.3 124 5 326.2 326.2 290.8 326.9 0.18 28 431 7022 -15.9 -41.9 9 26.0 -20.1 190 11 327.3 327.3 291.2 328.1 0.22 29 400 7580 -18.5 -50.5 4 32.0 -22.4 185 22 330.9 331.0 292.1 331.3 0.09 30 343 8713 -25.3 -45.3 14 20.0 -27.8 175 32 336.6 336.6 293.7 337.4 0.19 31 300 9670 -33.5 -47.5 23 14.0 -34.8 180 33 338.2 338.2 294.0 338.9 0.17 32 289 9930 -35.9 -47.9 28 12.0 -36.9 183 32 338.4 338.4 294.1 339.1 0.17 33 250 10920 -43.5 -55.5 25 12.0 -44.1 195 28 341.4 341.4 294.7 341.7 0.08 34 234 11361 -47.3 -62.3 16 15.0 -47.8 196 26 342.2 342.2 294.8 342.3 0.04 35 200 12380 -55.7 -64.7 32 9.0 -55.9 185 33 344.6 344.6 295.4 344.7 0.03 36 182 12974 -60.1 -66.1 45 6.0 -60.2 178 26 346.8 346.8 296.0 346.9 0.03 37 178 13112 -58.9 -79.9 5 21.0 -59.1 180 24 351.0 351.0 296.8 351.0 0.00 38 150 14170 -64.9 -79.9 11 15.0 -65.0 130 20 358.3 358.3 298.4 358.3 0.00 39 146 14335 -66.1 -80.1 12 14.0 -66.2 125 21 359.0 359.0 298.5 359.0 0.00 40 112 15920 -74.3 -88.3 10 14.0 -74.3 105 10 371.9 371.9 300.9 371.9 0.00 41 101 16522 -76.1 -90.1 9 14.0 -76.2 116 16 379.6 379.6 302.2 379.6 0.00 42 100 16580 -76.3 -90.3 9 14.0 -76.3 115 17 380.3 380.3 302.3 380.3 0.00 43 91 17122 -78.1 -91.1 10 13.0 -78.1 100 31 387.1 387.1 303.3 387.1 0.00 44 79 17930 -78.9 -90.9 12 12.0 -78.9 97 27 401.5 401.5 305.4 401.5 0.00 45 70 18620 -78.1 -90.1 13 12.0 -78.1 75 24 417.3 417.3 307.4 417.3 0.00 46 68 18785 -78.7 -90.7 12 12.0 -78.7 75 24 419.5 419.5 307.6 419.5 0.00 47 63 19226 -73.1 -90.1 6 17.0 -73.2 72 25 441.1 441.1 310.0 441.1 0.00 48 50 20590 -69.9 -90.9 3 21.0 -70.1 110 25 478.8 478.8 313.4 478.8 0.00 49 40 21934 -65.7 -89.7 2 24.0 -66.0 119 43 520.9 520.9 316.4 520.9 0.00 50 33 23133 -55.9 -86.9 1 31.0 -57.2 90 45 576.3 576.3 319.5 576.4 0.01 51 30 23740 -55.7 -85.7 1 30.0 -57.2 80 39 592.8 592.8 320.3 592.8 0.01 52 28 24176 -57.5 -86.5 1 29.0 -58.8 81 40 599.6 599.6 320.6 599.7 0.01 53 20 26320 -52.7 -83.7 1 31.0 -55.4 75 37 674.9 674.9 323.6 675.0 0.02 54 18 27002 -51.9 -83.9 1 32.0 -55.1 79 36 698.0 698.0 324.4 698.2 0.02 TRP 91 17122 -78.1 -91.1 10 13.0 -78.1 100 31 387.1 387.1 303.3 387.1 0.00 WND Sounding variables and indices 1000-500 mb thick: 5729.00 m Freezing level: 590.45 mb = 4584.28 m = 15040.10 ft Wetbulb zero: 640.22 mb = 3922.21 m = 12867.98 ft Precipitable water: 1.53 inches Sfc-500 mean rel hum: 54.04 % Est. max temperature: 29.68 C = 85.43 F Sfc-Lift cond lev (LCL): 933.11 mb = 765.48 m = 2511.40 ft T: 19.75 C 700-500 lapse rate: 6.48 C/km ThetaE index: 18.10 C Layer 810.0- 739.0 mb Conv cond level (CCL): 907.53 mb = 1005.31 m = 3298.22 ft Mean mixing ratio: 15.00 g/kg Conv temperature: 28.34 C = 83.01 F Cap Strength: 1.42 C Lifted Index: -2.26 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -0.82 C Lifted Index @700 mb: 1.00 C Showalter Index: 2.31 C Risk: Showers probable Total Totals Index: 42.60 C Risk: None Vertical Totals Index: 22.70 C Cross Totals Index: 19.90 C K Index: 24.50 Risk: 20-40 % chance of thunderstorms Sweat Index: 178.60 Risk: None Energy Index: -0.52 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 450.18 J/kg Max Up Vert Vel: 30.01 m/s Conv Inhibition (B-): 5.84 J/kg Cap Strength: 1.19 C Lift Cond Lev (LCL): 925.25 mb = 838.69 m = 2751.59 ft Lev Free Conv (LFC): 870.25 mb = 1365.86 m = 4481.11 ft Equ Level (EL): 780.25 mb = 2284.63 m = 7495.43 ft B at Equ Level: 50.36 J/kg Max Parcel Lev (MPL): 150.25 mb = 14159.83 m = 46455.59 ft Wind level data Storm motion: 107 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 1018 4 10 5 -0.9 -4.9 | 319 9 6.2 -7.1 1 1000 161 360 5 -0.0 -5.0 | 316 10 7.1 -7.2 2 984 305 20 7 -2.4 -6.6 | 332 10 4.7 -8.8 3 950 610 45 8 -5.7 -5.7 | 350 8 1.4 -7.9 4 925 841 40 11 -7.1 -8.4 | 0 11 -0.0 -10.6 5 917 914 40 11 -7.1 -8.4 | 0 11 -0.0 -10.6 6 885 1219 60 13 -11.3 -6.5 | 26 10 -4.2 -8.7 7 850 1567 65 15 -13.6 -6.3 | 37 11 -6.5 -8.5 8 794 2134 60 23 -19.9 -11.5 | 43 19 -12.9 -13.7 9 766 2438 65 23 -20.8 -9.7 | 49 18 -13.8 -11.9 10 712 3048 60 10 -8.7 -5.0 | 12 7 -1.6 -7.2 11 700 3190 100 4 -3.9 0.7 | 296 3 3.1 -1.5 12 612 4267 165 5 -1.3 4.8 | 246 6 5.8 2.6 13 500 5890 155 7 -3.0 6.3 | 225 6 4.1 4.1 14 487 6096 155 8 -3.4 7.3 | 216 6 3.7 5.0 15 467 6401 105 3 -2.9 0.8 | 289 4 4.2 -1.4 16 431 7010 190 11 1.9 10.8 | 226 12 9.0 8.6 17 400 7580 185 22 1.9 21.9 | 205 22 9.0 19.7 18 398 7620 175 12 -1.0 12.0 | 212 11 6.0 9.7 19 381 7925 190 22 3.8 21.7 | 209 22 10.9 19.5 20 366 8230 170 28 -4.9 27.6 | 185 25 2.2 25.4 21 323 9144 180 36 0.0 36.0 | 192 35 7.1 33.8 22 300 9670 180 33 0.0 33.0 | 193 32 7.1 30.8 23 250 10920 195 28 7.2 27.0 | 210 29 14.3 24.8 24 237 11278 195 25 6.5 24.1 | 212 26 13.5 21.9 25 226 11582 200 29 9.9 27.3 | 214 30 17.0 25.0 26 200 12380 185 33 2.9 32.9 | 198 32 9.9 30.7 27 196 12497 185 36 3.1 35.9 | 197 35 10.2 33.7 28 187 12802 175 29 -2.5 28.9 | 190 27 4.5 26.7 29 178 13106 180 24 0.0 24.0 | 198 23 7.1 21.8 30 169 13411 205 17 7.2 15.4 | 227 19 14.2 13.2 31 161 13716 190 12 2.1 11.8 | 224 13 9.1 9.6 32 154 14021 140 14 -9.0 10.7 | 167 9 -1.9 8.5 33 150 14170 130 20 -15.3 12.9 | 142 13 -8.3 10.6 34 146 14326 125 21 -17.2 12.0 | 134 14 -10.1 9.8 35 139 14630 135 19 -13.4 13.4 | 150 13 -6.4 11.2 36 125 15240 95 13 -13.0 1.1 | 80 6 -5.9 -1.1 37 119 15545 75 10 -9.7 -2.6 | 28 5 -2.6 -4.8 38 107 16154 125 10 -8.2 5.7 | 162 4 -1.1 3.5 39 100 16580 115 17 -15.4 7.2 | 121 10 -8.3 5.0 40 97 16764 115 17 -15.4 7.2 | 121 10 -8.3 5.0 41 92 17069 120 24 -20.8 12.0 | 126 17 -13.7 9.8 42 91 17122 100 31 -30.5 5.4 | 98 24 -23.5 3.2 43 87 17374 100 31 -30.5 5.4 | 98 24 -23.5 3.2 44 83 17678 105 26 -25.1 6.7 | 104 19 -18.0 4.5 45 78 17983 95 27 -26.9 2.4 | 90 20 -19.8 0.1 46 74 18288 85 29 -28.9 -2.5 | 78 22 -21.8 -4.7 47 70 18620 75 24 -23.2 -6.2 | 62 18 -16.1 -8.4 48 67 18898 75 24 -23.2 -6.2 | 62 18 -16.1 -8.4 49 63 19202 70 26 -24.4 -8.9 | 57 21 -17.4 -11.1 50 60 19507 85 18 -17.9 -1.6 | 71 12 -10.9 -3.8 51 57 19812 70 21 -19.7 -7.2 | 53 16 -12.7 -9.4 52 54 20117 95 28 -27.9 2.4 | 91 21 -20.8 0.2 53 51 20422 90 23 -23.0 0.0 | 82 16 -15.9 -2.2 54 50 20590 110 25 -23.5 8.6 | 111 18 -16.4 6.3 55 40 21946 120 43 -37.2 21.5 | 123 36 -30.2 19.3 56 36 22555 100 51 -50.2 8.9 | 99 44 -43.2 6.6 57 35 22860 95 48 -47.8 4.2 | 93 41 -40.8 2.0 58 30 23740 80 39 -38.4 -6.8 | 74 33 -31.3 -9.0 59 30 23774 85 39 -38.9 -3.4 | 80 32 -31.8 -5.6 60 26 24689 75 42 -40.6 -10.9 | 69 36 -33.5 -13.1 61 22 25603 65 37 -33.5 -15.6 | 56 32 -26.5 -17.8 62 21 25908 85 33 -32.9 -2.9 | 79 26 -25.8 -5.1 63 20 26213 65 27 -24.5 -11.4 | 52 22 -17.4 -13.6 64 20 26320 75 37 -35.7 -9.6 | 68 31 -28.7 -11.8 65 19 26518 85 35 -34.9 -3.1 | 79 28 -27.8 -5.3 66 17 26822 75 37 -35.7 -9.6 | 68 31 -28.7 -11.8 67 16 27127 85 25 -24.9 -2.2 | 76 18 -17.8 -4.4 68 15 27432 95 31 -30.9 2.7 | 91 24 -23.8 0.5 Wind Parameters Mean winds (0-6000m): 77.4 at 9.9 knts Storm direction: 107.4 at 7.4 knts Shear (0-3000m) pos: 2.3 neg: 0.8 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 58.8 deg Storm rel helicity (0-3000m) pos: 48.6 neg: -21.0 tot: 27.6 m^2/s^2 ave: 9.2 10^-3 m/s^2 rel: 0.26 Storm rel vorticity (0-3000m) horiz: 6.6 stream: 1.7 10^-3/s Energy-Hel index: 0.11 Bulk Rich Number: 46.17 Bulk Shear: 9.75 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 18 6 328 10| 4.0 0.0 4.0| 11.5 -0.9 10.6 21.2 0.75| 5.6 4.2 1000 33 8 343 9| 4.2 0.0 4.2| 21.1 -0.9 20.2 20.2 0.72| 5.7 4.1 1500 45 10 359 9| 4.2 0.0 4.2| 34.3 -0.9 33.4 22.2 0.80| 5.6 4.4 2000 52 12 13 10| 3.2 1.7 4.9| 39.7 -0.9 38.7 19.4 0.64| 5.9 3.7 2500 55 14 24 11| 2.7 1.4 4.1| 48.6 -2.8 45.9 18.3 0.58| 5.7 3.3 3000 57 14 26 11| 2.3 0.8 3.1| 48.6 -21.0 27.6 9.2 0.26| 6.6 1.7 4000 61 12 23 9| 1.4 0.6 2.0| 48.6 -29.3 19.3 4.8 0.02| 6.5 0.2 5000 68 11 24 7| 1.2 0.4 1.6| 48.6 -31.3 17.4 3.5 0.00| 5.5 0.0 6000 77 10 30 5| 1.0 0.3 1.3| 48.6 -34.0 14.6 2.4 -0.03| 4.7 -0.1 Wrote GIF file: /home/apache/climate/data/raob//SBVT/skewt/SBVT.skewt.20260115.12.gif