UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120112.upa.cvt Date: 1200Z 1 DEC 25 Searching for SBLO... Searching the city database file for: SBLO ... Date:1200Z 1 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 76 SFC 947 569 27.4 19.4 62 8.0 21.7 70 3 305.3 308.1 296.7 350.5 15.14 2 940 630 25.0 18.0 65 7.0 20.1 62 4 303.5 306.1 295.5 344.9 13.95 3 925 763 23.6 17.6 69 6.0 19.4 45 5 303.4 306.0 295.4 344.5 13.82 4 895 1051 21.4 16.4 73 5.0 17.9 14 10 304.0 306.5 295.1 343.4 13.22 5 863 1368 23.0 10.0 44 13.0 14.7 335 15 308.9 310.6 293.4 336.2 8.97 6 850 1501 22.6 8.6 41 14.0 13.8 335 16 309.8 311.4 293.1 335.2 8.27 7 700 3152 8.8 6.2 84 2.6 7.2 275 13 312.2 313.9 294.0 338.6 8.53 8 676 3440 6.6 4.9 89 1.7 5.6 270 15 312.9 314.4 293.8 337.9 8.06 9 634 3964 4.0 -5.0 52 9.0 -0.4 270 20 315.7 316.5 291.5 329.1 4.16 10 625 4080 2.6 -0.3 81 2.9 1.1 270 21 315.4 316.6 292.9 334.4 6.00 11 599 4422 -0.5 -0.9 97 0.4 -0.7 272 24 315.7 316.8 293.0 334.7 5.99 12 584 4625 -1.9 -2.3 97 0.4 -2.1 274 26 316.4 317.4 292.8 334.0 5.54 13 500 5850 -6.9 -9.5 82 2.6 -8.1 250 23 324.6 325.4 293.6 337.0 3.72 14 496 5913 -7.1 -10.0 80 2.9 -8.4 250 23 325.1 325.8 293.6 337.2 3.61 15 421 7173 -15.5 -16.6 91 1.1 -15.9 229 13 330.0 330.5 294.0 338.6 2.48 16 414 7300 -16.1 -19.9 72 3.8 -17.3 230 13 330.8 331.2 293.7 337.5 1.90 17 403 7503 -14.5 -30.5 24 16.0 -18.3 192 24 335.4 335.6 293.9 338.2 0.75 18 400 7560 -14.7 -33.7 18 19.0 -18.8 180 28 335.9 336.0 293.8 338.0 0.55 19 378 7986 -17.5 -52.5 3 35.0 -22.0 184 27 337.7 337.7 293.8 338.0 0.08 20 300 9670 -31.3 -40.3 41 9.0 -32.4 235 26 341.3 341.3 295.0 342.8 0.38 21 272 10354 -37.5 -43.5 53 6.0 -38.1 240 24 342.0 342.0 295.1 343.2 0.30 22 266 10507 -38.3 -49.3 31 11.0 -39.1 243 26 343.0 343.0 295.2 343.6 0.16 23 251 10903 -41.3 -53.3 26 12.0 -42.0 250 30 344.3 344.3 295.4 344.7 0.11 24 250 10930 -41.5 -53.5 26 12.0 -42.2 250 30 344.4 344.4 295.4 344.8 0.10 25 200 12400 -54.5 -58.8 59 4.3 -54.6 235 40 346.5 346.5 295.9 346.8 0.07 26 177 13169 -61.1 -63.9 69 2.8 -61.2 232 46 348.0 348.0 296.2 348.1 0.04 27 170 13417 -62.9 -66.2 64 3.3 -63.0 231 48 349.0 349.0 296.4 349.1 0.03 28 153 14060 -65.9 -70.9 50 5.0 -66.0 237 58 354.5 354.5 297.6 354.6 0.02 29 150 14180 -66.4 -73.6 36 7.2 -66.5 240 61 355.7 355.7 297.8 355.7 0.01 30 145 14385 -67.3 -78.3 20 11.0 -67.4 238 59 357.6 357.6 298.2 357.6 0.01 31 140 14598 -65.7 -81.7 9 16.0 -65.8 230 53 364.0 364.0 299.5 364.0 0.00 32 125 15281 -68.9 -84.9 8 16.0 -68.9 205 34 370.2 370.2 300.6 370.2 0.00 33 109 16091 -74.1 -86.1 14 12.0 -74.2 229 13 375.2 375.2 301.5 375.2 0.00 34 103 16419 -76.1 -80.7 48 4.6 -76.1 261 6 377.5 377.5 301.8 377.5 0.01 35 102 16476 -76.3 -81.0 47 4.7 -76.3 258 5 378.2 378.2 301.9 378.2 0.01 36 101 16533 -76.1 -81.1 45 5.0 -76.1 229 6 379.6 379.6 302.2 379.6 0.01 37 100 16590 -76.3 -82.3 38 6.0 -76.3 200 7 380.3 380.3 302.3 380.3 0.00 38 84 17583 -81.1 -89.1 25 8.0 -81.1 205 5 390.0 390.0 303.8 390.0 0.00 39 74 18300 -78.9 -88.9 18 10.0 -78.9 158 17 409.0 409.0 306.4 409.0 0.00 40 70 18620 -74.7 -87.7 12 13.0 -74.7 120 11 424.6 424.6 308.2 424.6 0.00 41 68 18789 -73.5 -88.5 8 15.0 -73.6 138 13 430.7 430.7 308.9 430.7 0.00 42 62 19329 -73.9 -88.9 8 15.0 -74.0 111 14 441.3 441.3 310.0 441.4 0.00 43 53 20254 -69.9 -89.9 4 20.0 -70.1 95 21 470.9 470.9 312.7 470.9 0.00 44 50 20600 -70.5 -90.5 4 20.0 -70.6 75 11 477.4 477.4 313.2 477.4 0.00 45 44 21371 -63.3 -90.3 1 27.0 -63.7 75 21 512.7 512.7 315.8 512.7 0.00 46 30 23750 -58.3 -88.3 1 30.0 -59.4 75 21 585.7 585.7 319.9 585.7 0.01 47 24 25164 -55.3 -87.3 1 32.0 -57.2 95 17 633.0 633.0 322.0 633.1 0.01 48 21 26019 -53.7 -85.7 1 32.0 -56.1 89 20 662.5 662.5 323.2 662.6 0.01 TRP 84 17583 -81.1 -89.1 25 8.0 -81.1 205 5 390.0 390.0 303.8 390.0 0.00 WND 150 14180 -66.4 -73.6 36 7.2 -66.5 240 61 355.7 355.7 297.8 355.7 0.01 Sounding variables and indices 1000-500 mb thick: 5774.00 m Freezing level: 603.19 mb = 4367.22 m = 14327.97 ft Wetbulb zero: 636.55 mb = 3931.42 m = 12898.22 ft Precipitable water: 1.54 inches Sfc-500 mean rel hum: 74.14 % Est. max temperature: 32.74 C = 90.94 F Sfc-Lift cond lev (LCL): 842.98 mb = 1571.49 m = 5155.74 ft T: 22.01 C 700-500 lapse rate: 5.82 C/km ThetaE index: 15.34 C Layer 940.0- 700.0 mb Conv cond level (CCL): 730.47 mb = 2789.70 m = 9152.44 ft Mean mixing ratio: 12.02 g/kg Conv temperature: 33.79 C = 92.83 F Cap Strength: 4.80 C Lifted Index: -0.77 C Risk: Thunderstorms probable Lifted Index @300 mb: 1.84 C Lifted Index @700 mb: 0.64 C Showalter Index: 1.93 C Risk: Showers probable Total Totals Index: 45.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 29.50 C Cross Totals Index: 15.50 C K Index: 35.50 Risk: > 80 % chance of thunderstorms Sweat Index: 158.20 Risk: None Energy Index: 0.34 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 197.81 J/kg Max Up Vert Vel: 19.89 m/s Conv Inhibition (B-): 209.17 J/kg Cap Strength: 4.80 C Lift Cond Lev (LCL): 796.24 mb = 2056.62 m = 6747.37 ft Lev Free Conv (LFC): 681.24 mb = 3376.12 m = 11076.36 ft Equ Level (EL): 411.24 mb = 7350.21 m = 24114.58 ft B at Equ Level: 196.73 J/kg Max Parcel Lev (MPL): 291.24 mb = 9876.88 m = 32404.06 ft Wind level data Storm motion: 308 at 14 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 70 3 -2.8 -1.0 | 119 16 -14.0 7.8 1 925 763 45 5 -3.5 -3.5 | 110 16 -14.7 5.3 2 909 914 45 7 -4.9 -4.9 | 104 17 -16.1 3.9 3 878 1219 335 13 5.5 -11.8 | 63 6 -5.7 -2.9 4 850 1501 335 16 6.8 -14.5 | 38 7 -4.4 -5.7 5 789 2134 340 17 5.8 -16.0 | 37 9 -5.4 -7.1 6 761 2438 330 15 7.5 -13.0 | 42 6 -3.7 -4.2 7 734 2743 315 14 9.9 -9.9 | 50 2 -1.3 -1.1 8 700 3152 275 13 13.0 -1.1 | 193 8 1.8 7.7 9 683 3353 270 14 14.0 -0.0 | 198 9 2.8 8.8 10 609 4267 270 23 23.0 -0.0 | 233 15 11.8 8.8 11 586 4572 275 26 25.9 -2.3 | 246 16 14.7 6.6 12 523 5486 250 32 30.1 10.9 | 224 27 18.9 19.8 13 500 5850 250 23 21.6 7.9 | 212 20 10.4 16.7 14 484 6096 250 23 21.6 7.9 | 212 20 10.4 16.7 15 465 6401 255 20 19.3 5.2 | 210 16 8.1 14.0 16 447 6706 225 15 10.6 10.6 | 178 19 -0.6 19.4 17 413 7315 230 13 10.0 8.4 | 176 17 -1.2 17.2 18 400 7560 180 28 0.0 28.0 | 163 38 -11.2 36.8 19 397 7620 175 29 -2.5 28.9 | 160 40 -13.7 37.7 20 365 8230 190 25 4.3 24.6 | 168 34 -6.8 33.5 21 300 9670 235 26 21.3 14.9 | 203 26 10.1 23.7 22 284 10058 235 21 17.2 12.0 | 196 22 6.0 20.9 23 250 10930 250 30 28.2 10.3 | 222 26 17.0 19.1 24 248 10973 250 30 28.2 10.3 | 222 26 17.0 19.1 25 200 12400 235 40 32.8 22.9 | 214 38 21.6 31.8 26 162 13716 230 50 38.3 32.1 | 213 49 27.1 41.0 27 150 14180 240 61 52.8 30.5 | 227 57 41.6 39.3 28 146 14326 240 61 52.8 30.5 | 227 57 41.6 39.3 29 119 15545 195 26 6.7 25.1 | 173 34 -4.5 33.9 30 113 15850 210 17 8.5 14.7 | 173 24 -2.7 23.6 31 108 16154 235 11 9.0 6.3 | 172 15 -2.2 15.1 32 102 16459 265 5 5.0 0.4 | 146 11 -6.2 9.3 33 100 16590 200 7 2.4 6.6 | 150 18 -8.8 15.4 34 97 16764 200 7 2.4 6.6 | 150 18 -8.8 15.4 35 87 17374 200 14 4.8 13.2 | 164 23 -6.4 22.0 36 84 17583 205 5 2.1 4.5 | 146 16 -9.1 13.4 37 83 17678 165 10 -2.6 9.7 | 143 23 -13.8 18.5 38 78 17983 195 12 3.1 11.6 | 158 22 -8.1 20.4 39 74 18288 160 17 -5.8 16.0 | 146 30 -17.0 24.8 40 70 18593 125 19 -15.6 10.9 | 126 33 -26.7 19.7 41 70 18620 120 11 -9.5 5.5 | 125 25 -20.7 14.3 42 67 18898 150 15 -7.5 13.0 | 139 29 -18.7 21.8 43 60 19507 95 14 -13.9 1.2 | 112 27 -25.1 10.1 44 57 19812 120 16 -13.9 8.0 | 124 30 -25.0 16.8 45 54 20117 90 21 -21.0 0.0 | 105 33 -32.2 8.8 46 52 20422 100 21 -20.7 3.6 | 111 34 -31.9 12.5 47 50 20600 75 11 -10.6 -2.8 | 105 23 -21.8 6.0 48 49 20726 65 13 -11.8 -5.5 | 98 23 -23.0 3.3 49 47 21031 100 19 -18.7 3.3 | 112 32 -29.9 12.1 50 40 21946 35 24 -13.8 -19.7 | 67 27 -25.0 -10.8 51 38 22250 35 13 -7.5 -10.6 | 84 19 -18.6 -1.8 52 36 22555 80 17 -16.7 -3.0 | 102 29 -27.9 5.9 53 35 22860 125 10 -8.2 5.7 | 127 24 -19.4 14.6 54 31 23470 95 25 -24.9 2.2 | 107 38 -36.1 11.0 55 30 23750 75 21 -20.3 -5.4 | 96 32 -31.5 3.4 56 28 24079 75 23 -22.2 -6.0 | 95 34 -33.4 2.9 57 26 24384 85 21 -20.9 -1.8 | 102 33 -32.1 7.0 58 24 24689 95 17 -16.9 1.5 | 110 30 -28.1 10.3 59 22 24994 80 20 -19.7 -3.5 | 100 31 -30.9 5.4 60 21 25298 90 20 -20.0 0.0 | 106 32 -31.2 8.8 61 19 25603 75 25 -24.1 -6.5 | 94 35 -35.3 2.4 62 18 25908 90 23 -23.0 0.0 | 104 35 -34.2 8.8 63 17 26213 70 22 -20.7 -7.5 | 92 32 -31.9 1.3 Wind Parameters Mean winds (0-6000m): 278.3 at 19.0 knts Storm direction: 308.3 at 14.3 knts Shear (0-3000m) pos: 0.2 neg: 3.4 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 90.1 deg Storm rel helicity (0-3000m) pos: 8.0 neg: -52.9 tot: -44.9 m^2/s^2 ave: -15.0 10^-3 m/s^2 rel: -0.22 Storm rel vorticity (0-3000m) horiz: 7.4 stream: -1.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.93 Bulk Shear: 67.61 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 39 6 106 15| 0.0 9.2 9.2| 0.0 -36.8 -36.8 -73.5 -0.87| 10.7 -9.3 1000 353 10 85 10| 0.0 8.5 8.5| 0.0 -51.8 -51.8 -51.8 -0.76| 10.7 -8.2 1500 345 12 71 9| 0.5 5.7 6.2| 0.0 -52.0 -52.0 -34.7 -0.72| 7.6 -5.5 2000 342 13 64 8| 0.4 4.0 4.3| 0.9 -52.0 -51.2 -25.6 -0.57| 7.0 -4.0 2500 334 13 61 6| 0.3 3.4 3.7| 1.6 -52.3 -50.7 -20.3 -0.32| 7.8 -2.4 3000 324 13 60 4| 0.2 3.4 3.6| 8.0 -52.9 -44.9 -15.0 -0.22| 7.4 -1.7 4000 303 15 254 2| 0.7 3.2 3.9| 37.9 -52.9 -15.0 -3.8 -0.02| 6.9 -0.2 5000 287 18 241 7| 0.5 3.2 3.7| 37.9-107.7 -69.8 -14.0 -0.15| 7.1 -1.1 6000 278 19 231 10| 0.5 1.6 2.1| 37.9-158.7-120.9 -20.1 -0.24| 7.3 -1.8 Wrote GIF file: /home/apache/climate/data/raob//SBLO/skewt/SBLO.skewt.20251201.12.gif