UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120600.upa.cvt Date: 0000Z 6 DEC 25 Searching for SBVH... Searching the city database file for: SBVH ... Date:0000Z 6 DEC 25 Station: SBVH WMO ident: 83208 Latitude: -12.73 Longitude: -60.13 Elevation: 652.00 ------------------------------------------------------------------------------- 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 55 SFC 939 652 22.8 22.3 97 0.5 22.5 280 2 301.3 304.7 297.8 355.4 18.34 2 925 741 22.8 21.2 91 1.6 21.6 300 14 302.6 305.8 297.5 354.1 17.39 3 850 1475 18.2 17.3 94 0.9 17.6 285 19 305.2 308.0 296.5 349.4 14.78 4 788 2123 14.4 14.2 99 0.2 14.3 261 19 307.8 310.3 296.0 347.2 13.03 5 736 2700 12.8 6.8 67 6.0 9.2 249 17 312.1 313.8 293.9 338.3 8.45 6 726 2816 12.4 8.7 78 3.7 10.0 251 16 312.9 314.8 295.1 343.2 9.78 7 700 3122 10.2 7.5 83 2.7 8.5 255 14 313.8 315.6 295.0 342.8 9.34 8 621 4110 4.0 4.0 100 0.0 4.0 232 7 317.6 319.2 295.2 343.7 8.24 9 611 4242 3.8 2.4 91 1.4 3.0 230 6 318.9 320.3 295.0 342.6 7.47 10 572 4776 0.8 0.8 100 0.0 0.8 258 8 321.4 322.8 295.3 344.3 7.11 11 500 5850 -4.3 -4.5 99 0.2 -4.4 330 6 327.8 328.9 295.7 346.0 5.49 12 439 6867 -9.3 -10.1 94 0.8 -9.6 354 3 333.9 334.7 296.1 347.8 4.05 13 400 7580 -14.1 -15.1 92 1.0 -14.5 30 3 336.7 337.3 296.0 347.1 2.96 14 365 8269 -18.1 -19.0 93 0.9 -18.4 53 7 340.3 340.7 296.3 348.7 2.34 15 327 9078 -25.7 -37.7 32 12.0 -27.6 340 4 340.7 340.8 294.9 342.4 0.46 16 316 9326 -26.1 -32.1 57 6.0 -27.3 317 3 343.5 343.6 295.8 346.6 0.82 17 300 9700 -28.9 -36.9 46 8.0 -30.2 260 5 344.6 344.8 295.9 346.8 0.54 18 294 9844 -30.1 -38.1 46 8.0 -31.3 249 5 344.9 345.0 295.9 346.9 0.49 19 273 10369 -33.9 -37.3 71 3.4 -34.4 208 6 346.8 346.9 296.4 349.1 0.57 20 250 10980 -38.9 -42.8 66 3.9 -39.3 160 6 348.2 348.3 296.5 349.6 0.35 21 216 11966 -47.3 -54.3 45 7.0 -47.6 140 10 350.1 350.1 296.7 350.5 0.11 22 213 12058 -48.1 -57.1 35 9.0 -48.5 138 10 350.2 350.3 296.8 350.6 0.08 23 200 12470 -51.7 -57.7 49 6.0 -51.9 130 12 350.9 350.9 296.9 351.2 0.08 24 159 13909 -65.1 -69.6 54 4.5 -65.1 147 14 352.0 352.0 297.1 352.1 0.02 25 150 14260 -68.3 -73.3 49 5.0 -68.4 160 11 352.4 352.4 297.2 352.5 0.01 26 117 15703 -81.3 -86.2 43 4.9 -81.3 189 16 354.4 354.4 297.5 354.4 0.00 27 115 15800 -81.1 -88.1 30 7.0 -81.1 188 17 356.5 356.5 298.0 356.5 0.00 28 113 15900 -75.1 -83.1 28 8.0 -75.1 187 17 369.5 369.5 300.5 369.5 0.00 29 102 16488 -79.3 -85.3 37 6.0 -79.3 152 19 372.4 372.4 301.0 372.4 0.00 30 100 16600 -80.1 -86.1 36 6.0 -80.1 140 19 373.0 373.0 301.1 373.0 0.00 31 86 17448 -83.7 -87.8 49 4.1 -83.7 90 28 382.1 382.1 302.6 382.2 0.00 32 78 17993 -82.3 -89.3 29 7.0 -82.3 69 19 395.9 395.9 304.6 395.9 0.00 33 76 18140 -77.9 -86.9 22 9.0 -77.9 59 14 408.0 408.0 306.3 408.0 0.00 34 71 18529 -79.1 -88.1 21 9.0 -79.1 58 11 413.5 413.5 306.9 413.5 0.00 35 70 18610 -78.7 -87.7 22 9.0 -78.7 100 17 416.0 416.0 307.2 416.0 0.00 36 64 19125 -74.9 -86.9 14 12.0 -75.0 100 25 435.2 435.2 309.4 435.2 0.00 37 55 20012 -71.9 -88.9 6 17.0 -72.0 67 24 461.3 461.3 311.9 461.3 0.00 TRP 86 17448 -83.7 -87.8 49 4.1 -83.7 90 28 382.1 382.1 302.6 382.2 0.00 WND Sounding variables and indices 1000-500 mb thick: 5795.00 m Freezing level: 560.71 mb = 4944.76 m = 16222.78 ft Wetbulb zero: 561.21 mb = 4928.33 m = 16168.86 ft Precipitable water: 2.11 inches Sfc-500 mean rel hum: 92.51 % Est. max temperature: 29.14 C = 84.46 F Sfc-Lift cond lev (LCL): 932.54 mb = 692.88 m = 2273.20 ft T: 22.80 C 700-500 lapse rate: 5.32 C/km ThetaE index: 17.09 C Layer 925.0- 726.0 mb Conv cond level (CCL): 861.13 mb = 1362.05 m = 4468.60 ft Mean mixing ratio: 16.15 g/kg Conv temperature: 26.23 C = 79.21 F Cap Strength: 0.53 C Lifted Index: -2.03 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.56 C Lifted Index @700 mb: -0.89 C Showalter Index: -1.13 C Risk: Thunderstorms probable Total Totals Index: 44.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.50 C Cross Totals Index: 21.60 C K Index: 37.10 Risk: > 80 % chance of thunderstorms Sweat Index: 251.60 Risk: None Energy Index: -0.76 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 608.12 J/kg Max Up Vert Vel: 34.87 m/s Conv Inhibition (B-): 1.98 J/kg Cap Strength: 0.53 C Lift Cond Lev (LCL): 873.56 mb = 1237.65 m = 4060.49 ft Lev Free Conv (LFC): 848.56 mb = 1489.48 m = 4886.68 ft Equ Level (EL): 178.56 mb = 13181.00 m = 43244.22 ft B at Equ Level: 607.75 J/kg Max Parcel Lev (MPL): 98.56 mb = 16681.39 m = 54728.32 ft Wind level data Storm motion: 302 at 9 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 ---------------------------------------------------------- 0 939 652 280 2 2.0 -0.3 | 128 7 -5.4 4.2 1 925 741 300 14 12.1 -7.0 | 297 5 4.8 -2.4 2 907 914 300 17 14.7 -8.5 | 298 8 7.4 -3.9 3 875 1219 290 21 19.7 -7.2 | 282 13 12.4 -2.6 4 850 1475 285 19 18.4 -4.9 | 272 11 11.0 -0.3 5 815 1829 285 19 18.4 -4.9 | 272 11 11.0 -0.3 6 787 2134 260 19 18.7 3.3 | 235 14 11.4 7.9 7 759 2438 245 20 18.1 8.5 | 220 17 10.8 13.0 8 706 3048 255 14 13.5 3.6 | 217 10 6.2 8.2 9 700 3122 255 14 13.5 3.6 | 217 10 6.2 8.2 10 680 3353 240 10 8.7 5.0 | 188 10 1.3 9.6 11 608 4267 230 6 4.6 3.9 | 162 9 -2.8 8.4 12 523 5486 300 10 8.7 -5.0 | 288 1 1.3 -0.4 13 500 5850 330 6 3.0 -5.2 | 82 4 -4.4 -0.6 14 484 6096 315 4 2.8 -2.8 | 111 5 -4.5 1.8 15 400 7580 30 3 -1.5 -2.6 | 103 9 -8.9 2.0 16 366 8230 55 7 -5.7 -4.0 | 92 13 -13.1 0.6 17 310 9449 305 2 1.6 -1.1 | 121 7 -5.7 3.4 18 300 9700 260 5 4.9 0.9 | 156 6 -2.4 5.5 19 250 10980 160 6 -2.1 5.6 | 137 14 -9.4 10.2 20 200 12470 130 12 -9.2 7.7 | 127 21 -16.5 12.3 21 199 12497 125 11 -9.0 6.3 | 124 20 -16.4 10.9 22 181 13106 135 13 -9.2 9.2 | 130 22 -16.5 13.8 23 172 13411 130 17 -13.0 10.9 | 127 26 -20.4 15.5 24 150 14260 160 11 -3.8 10.3 | 143 19 -11.1 14.9 25 141 14630 160 13 -4.4 12.2 | 145 21 -11.8 16.8 26 133 14935 195 11 2.8 10.6 | 164 16 -4.5 15.2 27 108 16154 185 19 1.7 18.9 | 166 24 -5.7 23.5 28 100 16600 140 19 -12.2 14.6 | 134 27 -19.6 19.1 29 97 16764 140 19 -12.2 14.6 | 134 27 -19.6 19.1 30 92 17069 150 23 -11.5 19.9 | 142 31 -18.9 24.5 31 87 17374 100 25 -24.6 4.3 | 106 33 -32.0 8.9 32 86 17448 90 28 -28.0 0.0 | 97 36 -35.4 4.6 33 83 17678 90 29 -29.0 0.0 | 97 37 -36.4 4.6 34 74 18288 50 10 -7.7 -6.4 | 83 15 -15.0 -1.8 35 70 18593 60 11 -9.5 -5.5 | 87 17 -16.9 -0.9 36 70 18610 100 17 -16.7 3.0 | 107 25 -24.1 7.5 37 66 18898 100 17 -16.7 3.0 | 107 25 -24.1 7.5 38 62 19202 100 32 -31.5 5.6 | 105 40 -38.9 10.1 39 55 19812 65 25 -22.7 -10.6 | 79 31 -30.0 -6.0 40 52 20117 100 15 -14.8 2.6 | 108 23 -22.1 7.2 41 49 20422 100 27 -26.6 4.7 | 105 35 -33.9 9.3 Wind Parameters Mean winds (0-6000m): 272.0 at 11.6 knts Storm direction: 302.0 at 8.7 knts Shear (0-3000m) pos: 2.8 neg: 2.9 tot: 5.7 10-3/s Storm rel Dir Shear (0-3000m): 51.3 deg Storm rel helicity (0-3000m) pos: 2.4 neg: -74.9 tot: -72.5 m^2/s^2 ave: -24.2 10^-3 m/s^2 rel: -0.10 Storm rel vorticity (0-3000m) horiz: 9.4 stream: -0.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 100.40 Bulk Shear: 6.06 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 ------------------------------------------------------------------------------- 500 297 15 291 6| 18.7 0.0 18.7| 2.1 -5.7 -3.6 -7.3 0.64| 25.8 16.6 1000 292 17 282 9| 9.3 1.4 10.7| 2.1 -14.3 -12.2 -12.2 0.47| 14.7 6.9 1500 286 18 273 10| 6.2 3.8 10.1| 2.1 -40.3 -38.2 -25.5 0.14| 12.7 1.8 2000 277 18 258 11| 4.7 3.7 8.4| 2.4 -56.3 -54.0 -27.0 0.03| 11.4 0.4 2500 272 18 250 11| 3.3 2.9 6.3| 2.4 -60.1 -57.7 -23.1 0.00| 10.1 0.0 3000 269 16 242 10| 2.8 2.9 5.7| 2.4 -74.9 -72.5 -24.2 -0.10| 9.4 -0.9 4000 265 14 229 9| 2.4 2.2 4.7| 6.4 -81.4 -75.0 -18.8 -0.10| 7.8 -0.8 5000 268 13 228 7| 2.5 1.8 4.2| 11.5 -81.4 -69.9 -14.0 0.02| 7.3 0.1 6000 272 12 225 6| 1.7 1.5 3.2| 15.1 -82.7 -67.6 -11.3 0.05| 6.7 0.3 Wrote GIF file: /home/apache/climate/data/raob//SBVH/skewt/SBVH.skewt.20251206.00.gif