UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120312.upa.cvt Date: 1200Z 3 DEC 25 Searching for SBLO... Searching the city database file for: SBLO ... Date:1200Z 3 DEC 25 Station: SBLO WMO ident: 83768 Latitude: -23.33 Longitude: -51.13 Elevation: 569.00 ------------------------------------------------------------------------------- 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 74 SFC 947 569 25.2 20.2 74 5.0 21.6 160 4 303.0 306.0 296.7 350.2 15.93 2 925 762 23.6 16.6 65 7.0 18.8 105 5 303.4 305.8 294.8 341.9 12.95 3 883 1167 21.8 13.8 60 8.0 16.5 38 5 305.6 307.7 294.2 339.5 11.30 4 850 1497 18.8 15.4 81 3.4 16.5 330 4 305.8 308.3 295.5 345.0 13.06 5 829 1712 17.4 14.5 83 2.9 15.4 318 5 306.6 308.9 295.4 344.5 12.62 6 788 2145 15.8 6.8 55 9.0 10.3 295 6 309.3 310.8 292.7 333.5 7.89 7 700 3138 7.8 5.8 87 2.0 6.6 260 17 311.1 312.7 293.5 336.7 8.29 8 679 3388 6.0 4.4 89 1.6 5.1 250 21 311.8 313.3 293.3 335.8 7.75 9 649 3756 4.6 -7.4 41 12.0 -0.9 250 23 314.3 315.0 290.3 325.2 3.38 10 629 4010 2.2 -5.8 55 8.0 -1.6 250 25 314.4 315.1 290.9 327.0 3.94 11 614 4204 1.2 -22.8 15 24.0 -6.3 250 26 315.4 315.6 288.3 318.8 1.00 12 516 5584 -5.9 -39.9 5 34.0 -12.7 236 32 322.9 323.0 289.9 323.8 0.23 13 500 5830 -6.3 -38.3 6 32.0 -13.0 250 42 325.4 325.4 290.7 326.4 0.28 14 498 5861 -6.3 -41.3 4 35.0 -13.2 250 42 325.7 325.8 290.7 326.5 0.21 15 477 6196 -9.1 -46.1 3 37.0 -15.3 253 40 326.3 326.3 290.8 326.8 0.13 16 461 6460 -8.9 -44.9 4 36.0 -15.2 262 36 329.8 329.8 291.8 330.4 0.15 17 427 7047 -13.9 -28.9 27 15.0 -17.6 272 36 330.7 330.9 292.7 333.7 0.82 18 400 7540 -16.9 -40.9 11 24.0 -20.9 275 43 333.0 333.1 292.8 334.1 0.27 19 384 7846 -19.3 -42.3 11 23.0 -22.8 277 43 333.8 333.8 293.0 334.7 0.24 20 339 8768 -23.5 -58.5 2 35.0 -26.8 260 47 340.2 340.2 294.4 340.3 0.04 21 300 9650 -31.1 -42.1 33 11.0 -32.4 250 58 341.5 341.6 295.0 342.8 0.31 22 272 10335 -37.3 -40.5 72 3.2 -37.7 263 57 342.3 342.3 295.3 343.9 0.41 23 259 10670 -40.5 -42.8 78 2.3 -40.7 270 56 342.4 342.4 295.2 343.7 0.34 24 250 10910 -41.9 -45.3 69 3.4 -42.2 275 56 343.8 343.8 295.5 344.8 0.27 25 244 11074 -43.1 -45.3 79 2.2 -43.3 275 59 344.4 344.4 295.6 345.5 0.27 26 215 11911 -49.7 -51.3 83 1.6 -49.8 269 68 346.8 346.9 296.1 347.5 0.16 27 201 12348 -52.7 -58.7 48 6.0 -52.9 265 72 348.8 348.8 296.4 349.1 0.07 28 200 12380 -52.9 -58.9 48 6.0 -53.1 265 72 349.0 349.0 296.5 349.3 0.07 29 175 13228 -60.1 -68.1 34 8.0 -60.2 260 74 350.7 350.7 296.8 350.8 0.02 30 162 13708 -62.5 -75.3 16 12.8 -62.6 255 75 354.5 354.5 297.6 354.5 0.01 31 159 13823 -63.1 -77.1 13 14.0 -63.2 255 75 355.4 355.4 297.8 355.4 0.01 32 150 14180 -65.7 -78.7 15 13.0 -65.8 245 66 356.9 356.9 298.1 356.9 0.01 33 144 14428 -67.3 -80.3 14 13.0 -67.4 248 65 358.3 358.3 298.4 358.3 0.00 34 101 16532 -74.7 -88.7 10 14.0 -74.7 238 34 382.3 382.3 302.6 382.3 0.00 35 100 16590 -75.1 -89.1 10 14.0 -75.2 240 35 382.6 382.6 302.6 382.6 0.00 36 74 18306 -81.3 -89.3 25 8.0 -81.3 235 9 404.0 404.0 305.7 404.0 0.00 37 70 18620 -78.1 -88.1 18 10.0 -78.1 305 5 417.3 417.3 307.4 417.3 0.00 38 52 20364 -67.7 -89.7 3 22.0 -67.9 86 16 478.6 478.6 313.3 478.6 0.00 39 50 20600 -67.5 -89.5 3 22.0 -67.7 105 17 484.4 484.4 313.8 484.4 0.00 40 40 21958 -65.1 -90.1 2 25.0 -65.5 75 17 522.4 522.4 316.5 522.4 0.00 41 34 22973 -55.9 -85.9 1 30.0 -57.2 87 24 571.4 571.4 319.2 571.5 0.01 42 30 23770 -56.9 -85.9 1 29.0 -58.2 90 23 589.5 589.5 320.1 589.6 0.01 43 25 24923 -57.7 -85.7 2 28.0 -59.1 83 25 618.8 618.8 321.5 618.8 0.01 44 21 26029 -55.3 -85.3 1 30.0 -57.3 74 20 657.7 657.7 323.0 657.8 0.01 TRP 74 18306 -81.3 -89.3 25 8.0 -81.3 235 9 404.0 404.0 305.7 404.0 0.00 WND 162 13708 -62.5 -75.3 16 12.8 -62.6 255 75 354.5 354.5 297.6 354.5 0.01 Sounding variables and indices 1000-500 mb thick: 5756.00 m Freezing level: 597.44 mb = 4437.43 m = 14558.30 ft Wetbulb zero: 653.36 mb = 3701.88 m = 12145.12 ft Precipitable water: 1.28 inches Sfc-500 mean rel hum: 48.65 % Est. max temperature: 30.78 C = 87.41 F Sfc-Lift cond lev (LCL): 880.48 mb = 1192.13 m = 3911.14 ft T: 21.58 C 700-500 lapse rate: 5.24 C/km ThetaE index: 11.48 C Layer 829.0- 700.0 mb Conv cond level (CCL): 757.92 mb = 2471.01 m = 8106.90 ft Mean mixing ratio: 12.66 g/kg Conv temperature: 32.00 C = 89.61 F Cap Strength: 2.77 C Lifted Index: -0.52 C Risk: Thunderstorms probable Lifted Index @300 mb: 1.49 C Lifted Index @700 mb: -0.66 C Showalter Index: -1.52 C Risk: Thunderstorms probable Total Totals Index: 46.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.10 C Cross Totals Index: 21.70 C K Index: 38.50 Risk: > 80 % chance of thunderstorms Sweat Index: 234.80 Risk: None Energy Index: -3.58 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 194.56 J/kg Max Up Vert Vel: 19.73 m/s Conv Inhibition (B-): 95.31 J/kg Cap Strength: 2.73 C Lift Cond Lev (LCL): 815.73 mb = 1849.39 m = 6067.49 ft Lev Free Conv (LFC): 710.73 mb = 3010.42 m = 9876.60 ft Equ Level (EL): 460.73 mb = 6464.53 m = 21208.84 ft B at Equ Level: 173.66 J/kg Max Parcel Lev (MPL): 230.73 mb = 11443.98 m = 37545.40 ft Wind level data Storm motion: 278 at 15 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 ---------------------------------------------------------- 0 947 569 160 4 -1.4 3.8 | 110 17 -16.2 5.9 1 925 762 105 5 -4.8 1.3 | 100 20 -19.6 3.5 2 909 914 90 5 -5.0 0.0 | 96 20 -19.8 2.2 3 850 1497 330 4 2.0 -3.5 | 84 13 -12.8 -1.3 4 788 2134 295 6 5.4 -2.5 | 88 9 -9.4 -0.4 5 760 2438 265 11 11.0 1.0 | 129 5 -3.9 3.1 6 733 2743 285 12 11.6 -3.1 | 74 3 -3.2 -0.9 7 700 3138 260 17 16.7 3.0 | 201 5 1.9 5.1 8 681 3353 250 21 19.7 7.2 | 208 11 4.9 9.3 9 608 4267 250 26 24.4 8.9 | 221 15 9.6 11.1 10 585 4572 225 25 17.7 17.7 | 188 20 2.9 19.8 11 522 5486 230 27 20.7 17.4 | 197 20 5.9 19.5 12 502 5791 250 42 39.5 14.4 | 236 30 24.7 16.5 13 500 5830 250 42 39.5 14.4 | 236 30 24.7 16.5 14 483 6096 250 41 38.5 14.0 | 236 29 23.7 16.2 15 446 6706 270 32 32.0 -0.0 | 263 17 17.2 2.2 16 400 7540 275 43 42.8 -3.7 | 273 28 28.0 -1.6 17 364 8230 280 44 43.3 -7.6 | 281 29 28.5 -5.5 18 321 9144 245 49 44.4 20.7 | 232 37 29.6 22.9 19 300 9650 250 58 54.5 19.8 | 241 45 39.7 22.0 20 250 10910 275 56 55.8 -4.9 | 274 41 41.0 -2.7 21 236 11278 275 63 62.8 -5.5 | 274 48 47.9 -3.3 22 200 12380 265 72 71.7 6.3 | 262 58 56.9 8.4 23 187 12802 265 74 73.7 6.4 | 262 60 58.9 8.6 24 162 13708 255 75 72.4 19.4 | 249 62 57.6 21.6 25 154 14021 255 75 72.4 19.4 | 249 62 57.6 21.6 26 150 14180 245 66 59.8 27.9 | 236 54 45.0 30.1 27 146 14326 245 68 61.6 28.7 | 237 56 46.8 30.9 28 125 15240 270 40 40.0 -0.0 | 265 25 25.2 2.2 29 113 15850 265 31 30.9 2.7 | 253 17 16.1 4.9 30 108 16154 260 38 37.4 6.6 | 249 24 22.6 8.8 31 102 16459 235 33 27.0 18.9 | 210 24 12.2 21.1 32 100 16590 240 35 30.3 17.5 | 218 25 15.5 19.7 33 97 16764 240 35 30.3 17.5 | 218 25 15.5 19.7 34 87 17374 245 20 18.1 8.5 | 197 11 3.3 10.6 35 83 17678 220 19 12.2 14.6 | 171 17 -2.6 16.7 36 78 17983 230 15 11.5 9.6 | 164 12 -3.3 11.8 37 74 18288 280 10 9.8 -1.7 | 95 5 -5.0 0.4 38 74 18306 235 9 7.4 5.2 | 135 10 -7.4 7.3 39 70 18620 305 5 4.1 -2.9 | 86 11 -10.7 -0.7 40 60 19507 250 3 2.8 1.0 | 105 12 -12.0 3.2 41 57 19812 175 15 -1.3 14.9 | 137 24 -16.1 17.1 42 54 20117 115 18 -16.3 7.6 | 107 33 -31.1 9.8 43 52 20422 80 15 -14.8 -2.6 | 89 30 -29.6 -0.4 44 50 20600 105 17 -16.4 4.4 | 102 32 -31.2 6.6 45 49 20726 110 16 -15.0 5.5 | 104 31 -29.8 7.6 46 47 21031 100 20 -19.7 3.5 | 99 35 -34.5 5.6 47 44 21336 80 26 -25.6 -4.5 | 87 40 -40.4 -2.4 48 42 21641 75 15 -14.5 -3.9 | 87 29 -29.3 -1.7 49 38 22250 75 18 -17.4 -4.7 | 86 32 -32.2 -2.5 50 35 22860 80 21 -20.7 -3.6 | 88 36 -35.5 -1.5 51 33 23165 95 27 -26.9 2.4 | 96 42 -41.7 4.5 52 31 23470 80 22 -21.7 -3.8 | 87 37 -36.5 -1.7 53 30 23770 90 23 -23.0 0.0 | 93 38 -37.8 2.2 54 30 23774 110 21 -19.7 7.2 | 105 36 -34.5 9.3 55 28 24079 115 23 -20.8 9.7 | 108 38 -35.7 11.9 56 26 24384 80 25 -24.6 -4.3 | 87 39 -39.4 -2.2 57 24 24689 85 25 -24.9 -2.2 | 90 40 -39.7 -0.0 58 22 24994 65 20 -18.1 -8.5 | 79 34 -32.9 -6.3 59 19 25603 85 20 -19.9 -1.7 | 91 35 -34.7 0.4 60 17 26213 85 29 -28.9 -2.5 | 90 44 -43.7 -0.4 Wind Parameters Mean winds (0-6000m): 248.3 at 20.0 knts Storm direction: 278.3 at 15.0 knts Shear (0-3000m) pos: 0.0 neg: 3.9 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 101.7 deg Storm rel helicity (0-3000m) pos: 15.7 neg: -49.0 tot: -33.4 m^2/s^2 ave: -11.1 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: 2.54 Bulk Shear: 76.69 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 ------------------------------------------------------------------------------- 500 102 5 99 20| 0.0 7.0 7.0| 0.0 -36.1 -36.1 -72.2 -0.85| 8.6 -7.3 1000 73 5 92 19| 0.0 4.2 4.2| 1.6 -46.0 -44.4 -44.4 -0.57| 7.9 -4.5 1500 5 5 81 15| 0.0 3.1 3.1| 3.0 -46.2 -43.1 -28.8 -0.45| 6.3 -2.9 2000 301 6 85 10| 0.0 3.5 3.5| 9.8 -47.2 -37.4 -18.7 -0.19| 6.8 -1.3 2500 286 7 91 8| 0.0 3.6 3.6| 11.7 -49.0 -37.3 -14.9 -0.08| 7.2 -0.6 3000 270 9 111 6| 0.0 3.9 3.9| 15.7 -49.0 -33.4 -11.1 -0.03| 7.4 -0.2 4000 257 13 161 5| 0.0 3.0 3.0| 22.6 -92.5 -69.9 -17.5 -0.15| 7.4 -1.1 5000 246 16 179 9| 0.8 2.4 3.2| 63.0 -92.5 -29.5 -5.9 -0.02| 6.8 -0.1 6000 248 20 201 10| 1.9 2.0 3.9|201.4 -94.0 107.5 17.9 0.21| 8.0 1.6 Wrote GIF file: /home/apache/climate/data/raob//SBLO/skewt/SBLO.skewt.20251203.12.gif