UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026010612.upa.cvt Date: 1200Z 6 JAN 26 Searching for SBVT... Searching the city database file for: SBVT ... Date:1200Z 6 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 22.0 21.0 94 1.0 21.3 230 3 293.6 296.4 293.8 338.0 15.56 1 1000 158 21.0 20.7 98 0.3 20.8 215 3 294.1 296.9 294.0 338.5 15.55 2 925 832 17.8 17.8 100 0.0 17.8 80 11 297.5 300.0 293.9 338.0 14.00 3 904 1029 17.0 17.0 100 0.0 17.0 68 10 298.6 301.1 293.9 338.2 13.61 4 850 1556 15.4 14.1 92 1.3 14.6 15 7 302.3 304.5 293.7 337.7 11.99 5 799 2080 13.4 9.1 75 4.3 10.7 6 11 305.5 307.2 292.5 333.0 9.12 6 766 2434 10.2 8.4 89 1.8 9.1 346 10 305.8 307.5 292.6 333.1 9.07 7 700 3180 6.2 4.5 89 1.7 5.2 360 17 309.4 310.8 292.4 332.6 7.57 8 591 4548 -1.3 -1.9 96 0.6 -1.6 350 31 316.0 317.1 292.7 333.9 5.64 9 587 4602 -1.1 -4.2 79 3.1 -2.6 349 31 316.8 317.7 292.3 332.1 4.78 10 566 4892 -1.9 -1.9 100 0.0 -1.9 340 28 319.2 320.3 293.9 338.1 5.89 11 506 5777 -5.7 -7.1 90 1.4 -6.4 335 20 325.0 325.9 294.3 339.7 4.44 12 503 5823 -5.7 -8.3 82 2.6 -6.9 338 20 325.5 326.3 294.1 339.1 4.07 13 500 5870 -5.9 -8.2 84 2.3 -7.0 340 20 325.8 326.7 294.2 339.6 4.12 14 471 6336 -10.1 -10.1 100 0.0 -10.1 346 20 326.3 327.0 294.0 338.9 3.77 15 465 6436 -9.5 -11.1 88 1.6 -10.2 346 19 328.2 328.9 294.3 340.1 3.53 16 428 7075 -12.9 -16.5 74 3.6 -14.2 348 18 331.7 332.2 294.4 340.3 2.46 17 400 7590 -16.1 -18.2 84 2.1 -16.8 350 17 334.1 334.5 294.8 342.1 2.28 18 370 8171 -20.1 -21.6 88 1.5 -20.5 347 17 336.3 336.7 295.0 342.9 1.84 19 364 8292 -20.5 -24.1 73 3.6 -21.5 342 17 337.3 337.6 295.0 342.8 1.50 20 308 9503 -29.9 -35.9 56 6.0 -30.9 321 23 340.7 340.8 295.0 342.9 0.58 21 300 9690 -31.7 -36.7 61 5.0 -32.4 320 24 340.7 340.8 295.0 342.8 0.55 22 280 10174 -35.7 -43.7 44 8.0 -36.5 316 25 341.7 341.8 295.0 342.9 0.28 23 250 10950 -42.5 -46.5 65 4.0 -42.8 315 32 342.9 342.9 295.3 343.8 0.23 24 231 11480 -47.3 -50.7 68 3.4 -47.5 316 33 343.4 343.5 295.3 344.1 0.16 25 217 11892 -50.9 -54.9 62 4.0 -51.1 309 36 344.0 344.1 295.4 344.5 0.10 26 213 12013 -51.5 -57.5 49 6.0 -51.7 307 36 344.9 345.0 295.6 345.3 0.08 27 200 12420 -55.3 -58.1 71 2.8 -55.4 300 39 345.2 345.2 295.6 345.5 0.07 28 199 12452 -55.5 -58.3 71 2.8 -55.6 300 39 345.4 345.4 295.7 345.7 0.07 29 191 12711 -57.5 -63.5 46 6.0 -57.6 296 38 346.2 346.2 295.8 346.4 0.04 30 185 12911 -59.5 -62.0 73 2.5 -59.6 295 38 346.2 346.2 295.8 346.4 0.05 31 180 13082 -60.7 -67.7 39 7.0 -60.8 296 37 346.9 346.9 296.0 347.0 0.02 32 174 13291 -62.9 -69.9 38 7.0 -63.0 297 37 346.7 346.7 295.9 346.8 0.02 33 160 13801 -66.5 -72.5 43 6.0 -66.5 299 36 349.0 349.0 296.4 349.1 0.01 34 150 14190 -67.3 -79.3 17 12.0 -67.4 285 40 354.2 354.2 297.5 354.2 0.00 35 139 14649 -67.5 -82.5 10 15.0 -67.6 277 36 361.6 361.6 299.0 361.6 0.00 36 115 15766 -75.9 -84.9 23 9.0 -75.9 355 17 366.1 366.1 299.9 366.2 0.00 37 101 16513 -77.3 -88.3 16 11.0 -77.3 338 20 377.3 377.3 301.8 377.3 0.00 38 100 16570 -77.7 -87.7 18 10.0 -77.7 325 17 377.6 377.6 301.9 377.6 0.00 39 97 16745 -78.7 -88.7 18 10.0 -78.7 310 15 379.0 379.0 302.1 379.0 0.00 40 91 17112 -76.7 -88.7 13 12.0 -76.7 316 13 389.9 389.9 303.8 389.9 0.00 41 81 17781 -79.3 -89.3 18 10.0 -79.3 32 12 397.8 397.8 304.9 397.8 0.00 42 70 18620 -75.9 -88.9 11 13.0 -75.9 90 11 422.0 422.0 307.9 422.0 0.00 43 53 20250 -70.1 -90.1 4 20.0 -70.2 75 23 470.4 470.4 312.7 470.4 0.00 44 50 20600 -66.5 -89.5 3 23.0 -66.8 75 32 486.8 486.8 314.0 486.8 0.00 45 42 21669 -61.1 -88.1 2 27.0 -61.7 106 15 525.0 525.0 316.6 525.1 0.00 46 39 22128 -63.1 -89.1 2 26.0 -63.6 117 19 531.2 531.2 317.0 531.2 0.00 47 30 23760 -58.5 -87.5 1 29.0 -59.6 95 29 585.2 585.2 319.9 585.2 0.01 48 25 24913 -55.9 -86.9 1 31.0 -57.6 79 31 623.9 624.0 321.6 624.0 0.01 49 24 25172 -57.3 -87.3 1 30.0 -58.8 77 31 627.2 627.2 321.8 627.3 0.01 TRP 97 16745 -78.7 -88.7 18 10.0 -78.7 310 15 379.0 379.0 302.1 379.0 0.00 WND Sounding variables and indices 1000-500 mb thick: 5712.00 m Freezing level: 609.89 mb = 4310.51 m = 14141.93 ft Wetbulb zero: 616.77 mb = 4202.71 m = 13788.25 ft Precipitable water: 2.14 inches Sfc-500 mean rel hum: 91.97 % Est. max temperature: 29.43 C = 84.97 F Sfc-Lift cond lev (LCL): 1003.56 mb = 127.35 m = 417.81 ft T: 21.20 C 700-500 lapse rate: 4.50 C/km ThetaE index: 5.27 C Layer 850.0- 766.0 mb Conv cond level (CCL): 960.45 mb = 506.87 m = 1662.95 ft Mean mixing ratio: 14.85 g/kg Conv temperature: 24.25 C = 75.65 F Cap Strength: 1.49 C Lifted Index: 1.58 C Risk: Showers probable Lifted Index @300 mb: 3.38 C Lifted Index @700 mb: -0.97 C Showalter Index: 1.81 C Risk: Showers probable Total Totals Index: 41.30 C Risk: None Vertical Totals Index: 21.30 C Cross Totals Index: 20.00 C K Index: 33.70 Risk: 60-80 % chance of thunderstorms Sweat Index: 203.20 Risk: None Energy Index: 0.24 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 103.19 J/kg Max Up Vert Vel: 14.37 m/s Conv Inhibition (B-): 0.18 J/kg Cap Strength: 1.37 C Lift Cond Lev (LCL): 964.36 mb = 471.76 m = 1547.76 ft Lev Free Conv (LFC): 939.36 mb = 698.84 m = 2292.75 ft Equ Level (EL): 899.36 mb = 1073.30 m = 3521.27 ft B at Equ Level: 17.08 J/kg Max Parcel Lev (MPL): 809.36 mb = 1970.89 m = 6466.11 ft Wind level data Storm motion: 21 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 1018 4 230 3 2.3 1.9 | 207 15 6.9 13.7 1 1000 158 215 3 1.7 2.5 | 204 16 6.4 14.3 2 983 305 190 5 0.9 4.9 | 198 18 5.5 16.7 3 949 610 130 6 -4.6 3.9 | 180 16 0.0 15.7 4 925 832 80 11 -10.8 -1.9 | 148 12 -6.2 9.9 5 916 914 80 11 -10.8 -1.9 | 148 12 -6.2 9.9 6 850 1556 15 7 -1.8 -6.8 | 209 6 2.8 5.1 7 793 2134 5 12 -1.0 -12.0 | 272 4 3.6 -0.1 8 765 2438 345 10 2.6 -9.7 | 253 8 7.2 2.2 9 711 3048 355 16 1.4 -15.9 | 304 7 6.0 -4.1 10 700 3180 360 17 -0.0 -17.0 | 318 7 4.6 -5.2 11 611 4267 350 30 5.2 -29.5 | 331 20 9.8 -17.7 12 588 4572 350 31 5.4 -30.5 | 332 21 10.0 -18.7 13 525 5486 320 22 14.1 -16.9 | 285 19 18.8 -5.0 14 500 5870 340 20 6.8 -18.8 | 301 13 11.5 -7.0 15 486 6096 345 20 5.2 -19.3 | 307 12 9.8 -7.5 16 400 7590 350 17 3.0 -16.7 | 303 9 7.6 -4.9 17 382 7925 355 17 1.5 -16.9 | 310 8 6.1 -5.1 18 366 8230 345 17 4.4 -16.4 | 297 10 9.0 -4.6 19 351 8534 325 17 9.8 -13.9 | 278 15 14.4 -2.1 20 300 9690 320 24 15.4 -18.4 | 288 21 20.1 -6.6 21 272 10363 315 26 18.4 -18.4 | 286 24 23.0 -6.6 22 250 10950 315 32 22.6 -22.6 | 292 29 27.3 -10.8 23 249 10973 325 30 17.2 -24.6 | 300 25 21.8 -12.8 24 200 12420 300 39 33.8 -19.5 | 281 39 38.4 -7.7 25 188 12802 295 38 34.4 -16.1 | 276 39 39.1 -4.2 26 154 14021 300 35 30.3 -17.5 | 279 35 34.9 -5.7 27 150 14190 285 40 38.6 -10.4 | 268 43 43.3 1.5 28 147 14326 285 43 41.5 -11.1 | 269 46 46.2 0.7 29 132 14935 270 30 30.0 -0.0 | 251 37 34.6 11.8 30 125 15240 295 15 13.6 -6.3 | 253 19 18.2 5.5 31 119 15545 355 14 1.2 -13.9 | 290 6 5.9 -2.1 32 113 15850 355 18 1.6 -17.9 | 315 9 6.2 -6.1 33 107 16154 335 18 7.6 -16.3 | 290 13 12.2 -4.5 34 102 16459 350 22 3.8 -21.7 | 319 13 8.5 -9.9 35 100 16570 325 17 9.8 -13.9 | 278 15 14.4 -2.1 36 97 16745 310 15 11.5 -9.6 | 262 16 16.1 2.2 37 97 16764 325 17 9.8 -13.9 | 278 15 14.4 -2.1 38 92 17069 305 13 10.6 -7.5 | 254 16 15.3 4.4 39 87 17374 20 13 -4.4 -12.2 | 335 0 0.2 -0.4 40 82 17678 15 13 -3.4 -12.6 | 300 1 1.3 -0.7 41 78 17983 65 11 -10.0 -4.6 | 143 9 -5.3 7.2 42 74 18288 60 22 -19.1 -11.0 | 93 14 -14.4 0.8 43 70 18593 35 20 -11.5 -16.4 | 56 8 -6.8 -4.6 44 70 18620 90 11 -11.0 0.0 | 152 13 -6.4 11.8 45 67 18898 35 15 -8.6 -12.3 | 83 4 -4.0 -0.5 46 63 19202 80 24 -23.6 -4.2 | 112 20 -19.0 7.6 47 60 19507 120 26 -22.5 13.0 | 144 31 -17.9 24.8 48 54 20117 75 19 -18.4 -4.9 | 117 15 -13.7 6.9 49 50 20600 75 32 -30.9 -8.3 | 98 27 -26.3 3.5 50 47 21031 75 32 -30.9 -8.3 | 98 27 -26.3 3.5 51 44 21336 60 25 -21.7 -12.5 | 88 17 -17.0 -0.7 52 42 21641 105 15 -14.5 3.9 | 148 19 -9.9 15.7 53 38 22250 120 20 -17.3 10.0 | 150 25 -12.7 21.8 54 36 22555 85 32 -31.9 -2.8 | 108 29 -27.2 9.0 55 35 22860 110 22 -20.7 7.5 | 140 25 -16.0 19.3 56 33 23165 85 37 -36.9 -3.2 | 105 33 -32.2 8.6 57 31 23470 75 36 -34.8 -9.3 | 95 30 -30.1 2.5 58 30 23760 95 29 -28.9 2.5 | 121 28 -24.3 14.3 59 28 24079 105 31 -29.9 8.0 | 128 32 -25.3 19.8 60 26 24384 80 31 -30.5 -5.4 | 104 27 -25.9 6.4 61 19 25603 65 29 -26.3 -12.3 | 89 22 -21.7 -0.4 Wind Parameters Mean winds (0-6000m): 351.4 at 16.9 knts Storm direction: 21.4 at 12.7 knts Shear (0-3000m) pos: 0.9 neg: 2.1 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 94.0 deg Storm rel helicity (0-3000m) pos: 24.3 neg: -65.5 tot: -41.2 m^2/s^2 ave: -13.7 10^-3 m/s^2 rel: -0.03 Storm rel vorticity (0-3000m) horiz: 7.4 stream: -0.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.77 Bulk Shear: 58.17 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 ------------------------------------------------------------------------------- 500 190 4 198 17| 0.0 6.1 6.1| 0.0 -27.0 -27.0 -54.0 -0.86| 7.2 -6.2 1000 120 6 176 15| 0.0 6.8 6.8| 0.1 -63.6 -63.5 -63.5 -0.79| 10.2 -8.0 1500 87 7 167 12| 0.0 3.4 3.4| 8.7 -63.6 -54.9 -36.6 -0.36| 9.7 -3.5 2000 59 8 166 8| 0.0 3.4 3.4| 12.9 -63.6 -50.7 -25.3 -0.20| 8.4 -1.6 2500 35 8 178 5| 0.0 2.5 2.5| 14.6 -65.5 -50.9 -20.4 -0.17| 7.8 -1.3 3000 20 9 205 4| 0.9 2.1 3.0| 24.3 -65.5 -41.2 -13.7 -0.03| 7.4 -0.2 4000 7 12 275 3| 1.4 2.3 3.7| 34.2 -65.5 -31.3 -7.8 0.06| 7.2 0.4 5000 358 16 307 6| 1.1 1.9 3.0| 35.4-109.9 -74.5 -14.9 -0.07| 7.0 -0.5 6000 351 17 304 9| 1.4 1.3 2.7| 57.3-151.4 -94.1 -15.7 -0.09| 7.2 -0.6 Wrote GIF file: /home/apache/climate/data/raob//SBVT/skewt/SBVT.skewt.20260106.12.gif