UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120612.upa.cvt Date: 1200Z 6 DEC 25 Searching for SBLO... Searching the city database file for: SBLO ... Date:1200Z 6 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 113 SFC 950 569 24.2 18.2 69 6.0 20.0 130 5 301.7 304.3 295.0 342.9 13.98 2 935 703 20.8 16.2 75 4.6 17.7 109 6 299.7 301.9 293.3 336.1 12.48 3 925 793 19.8 15.9 78 3.9 17.2 95 7 299.6 301.8 293.3 335.7 12.38 4 894 1086 18.4 10.4 60 8.0 13.4 69 20 301.0 302.7 290.9 327.3 8.89 5 888 1144 20.0 9.0 49 11.0 13.3 65 23 303.3 304.8 291.0 327.6 8.14 6 865 1371 21.0 5.0 35 16.0 11.7 60 20 306.6 307.8 290.5 325.9 6.33 7 850 1522 20.0 9.0 49 11.0 13.1 60 13 307.1 308.7 292.5 332.9 8.50 8 734 2767 9.8 8.6 92 1.2 9.0 322 10 309.1 310.9 293.9 338.4 9.60 9 713 3008 8.0 6.4 90 1.6 7.1 274 11 309.7 311.3 293.2 335.7 8.49 10 700 3160 7.4 3.4 76 4.0 5.1 265 11 310.7 312.0 292.3 332.3 7.00 11 682 3374 6.0 0.0 65 6.0 2.8 263 13 311.4 312.5 291.4 329.0 5.62 12 667 3556 5.8 -11.2 28 17.0 -1.3 261 15 313.2 313.7 289.1 321.1 2.43 13 657 3680 5.2 -4.8 48 10.0 0.4 258 15 313.9 314.7 290.8 326.9 4.07 14 652 3742 4.8 -9.2 35 14.0 -1.3 247 12 314.1 314.7 289.8 323.6 2.92 15 630 4023 7.4 -37.6 2 45.0 -4.0 187 3 320.2 320.2 289.0 321.1 0.24 16 500 5880 -6.1 -43.1 4 37.0 -13.1 265 10 325.6 325.6 290.6 326.3 0.17 17 461 6507 -10.5 -48.5 3 38.0 -16.4 271 7 327.8 327.8 291.2 328.2 0.10 18 423 7161 -14.9 -53.9 2 39.0 -19.8 264 4 330.3 330.3 291.9 330.5 0.06 19 400 7580 -17.7 -46.7 6 29.0 -21.8 260 3 332.0 332.0 292.4 332.6 0.14 20 375 8058 -21.3 -46.3 9 25.0 -24.5 283 5 333.4 333.4 292.8 334.0 0.16 21 369 8177 -21.7 -45.7 10 24.0 -24.9 261 6 334.4 334.4 293.1 335.1 0.17 22 360 8358 -22.1 -28.1 58 6.0 -23.5 254 11 336.2 336.5 294.3 340.1 1.05 23 354 8481 -22.5 -33.5 36 11.0 -24.6 258 15 337.3 337.5 294.3 339.7 0.64 24 328 9035 -27.3 -31.0 71 3.7 -28.0 264 21 338.2 338.3 294.7 341.4 0.88 25 308 9484 -30.5 -38.5 45 8.0 -31.6 249 27 339.8 339.9 294.7 341.6 0.45 26 300 9670 -32.3 -37.3 61 5.0 -33.0 245 26 339.9 340.0 294.8 341.8 0.52 27 294 9812 -33.5 -38.1 63 4.6 -34.1 244 26 340.1 340.2 294.8 342.0 0.49 28 251 10903 -42.7 -51.7 37 9.0 -43.2 240 29 342.2 342.2 295.0 342.7 0.13 29 250 10930 -42.9 -52.9 33 10.0 -43.5 240 29 342.3 342.3 295.0 342.8 0.11 30 242 11149 -44.7 -51.7 45 7.0 -45.1 241 30 342.8 342.8 295.1 343.3 0.13 31 235 11345 -45.5 -60.5 17 15.0 -46.1 244 34 344.5 344.5 295.4 344.7 0.05 32 205 12241 -52.9 -61.9 33 9.0 -53.1 224 57 346.5 346.6 295.9 346.7 0.05 33 200 12400 -53.7 -71.7 9 18.0 -54.0 220 61 347.7 347.7 296.1 347.8 0.01 34 199 12432 -53.9 -71.8 9 17.9 -54.2 220 61 347.8 347.8 296.1 347.9 0.01 35 164 13648 -63.5 -77.5 13 14.0 -63.6 225 40 351.6 351.6 297.0 351.6 0.01 36 151 14150 -67.5 -70.5 65 3.0 -67.5 248 37 353.1 353.1 297.3 353.2 0.02 37 150 14190 -67.3 -71.2 58 3.9 -67.3 250 37 354.2 354.2 297.5 354.2 0.02 38 140 14603 -68.1 -83.1 10 15.0 -68.2 241 46 359.8 359.8 298.7 359.8 0.00 39 112 15924 -72.5 -85.5 12 13.0 -72.5 230 33 375.3 375.3 301.5 375.3 0.00 40 101 16523 -77.1 -86.1 22 9.0 -77.1 230 19 377.7 377.7 301.9 377.7 0.00 41 100 16580 -77.5 -86.5 22 9.0 -77.5 230 18 378.0 378.0 301.9 378.0 0.00 42 96 16813 -78.5 -87.5 22 9.0 -78.5 250 15 380.5 380.5 302.3 380.5 0.00 43 87 17377 -75.7 -89.7 9 14.0 -75.7 239 18 397.0 397.0 304.8 397.0 0.00 44 70 18630 -76.5 -88.5 13 12.0 -76.6 55 9 420.7 420.7 307.8 420.7 0.00 45 67 18881 -77.7 -89.7 13 12.0 -77.7 65 9 423.4 423.4 308.1 423.4 0.00 46 55 20044 -66.3 -89.3 3 23.0 -66.5 90 16 474.1 474.1 313.0 474.2 0.00 47 50 20620 -67.3 -89.3 3 22.0 -67.5 65 18 484.9 484.9 313.8 484.9 0.00 48 47 20992 -67.7 -90.7 2 23.0 -67.9 65 19 492.6 492.6 314.4 492.6 0.00 49 41 21822 -63.3 -89.3 2 26.0 -63.8 63 13 523.2 523.2 316.5 523.2 0.00 50 31 23547 -61.5 -88.5 2 27.0 -62.3 98 19 571.6 571.6 319.2 571.6 0.00 51 30 23750 -60.9 -88.9 1 28.0 -61.7 105 28 578.6 578.6 319.6 578.6 0.00 52 22 25712 -53.5 -85.5 1 32.0 -55.9 94 37 654.3 654.3 322.9 654.4 0.01 53 22 25712 -54.1 -85.1 1 31.0 -56.3 94 37 652.5 652.5 322.8 652.6 0.01 TRP 96 16813 -78.5 -87.5 22 9.0 -78.5 250 15 380.5 380.5 302.3 380.5 0.00 WND 199 12432 -53.9 -71.8 9 17.9 -54.2 220 61 347.8 347.8 296.1 347.9 0.01 Sounding variables and indices 1000-500 mb thick: 5767.00 m Freezing level: 558.74 mb = 5041.06 m = 16538.71 ft Wetbulb zero: 671.79 mb = 3497.55 m = 11474.75 ft Precipitable water: 1.07 inches Sfc-500 mean rel hum: 40.75 % Est. max temperature: 30.34 C = 86.61 F Sfc-Lift cond lev (LCL): 870.16 mb = 1319.46 m = 4328.90 ft T: 20.77 C 700-500 lapse rate: 4.96 C/km ThetaE index: 17.29 C Layer 713.0- 657.0 mb Conv cond level (CCL): 718.74 mb = 2941.25 m = 9649.65 ft Mean mixing ratio: 9.74 g/kg Conv temperature: 31.89 C = 89.40 F Cap Strength: 7.09 C Lifted Index: 4.43 C Risk: None Lifted Index @300 mb: 7.06 C Lifted Index @700 mb: 2.58 C Showalter Index: 3.78 C Risk: None Total Totals Index: 41.20 C Risk: None Vertical Totals Index: 26.10 C Cross Totals Index: 15.10 C K Index: 31.10 Risk: 60-80 % chance of thunderstorms Sweat Index: 144.00 Risk: None Energy Index: -1.10 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 38.64 J/kg Max Up Vert Vel: 8.79 m/s Conv Inhibition (B-): 31585.13 J/kg Cap Strength: 6.97 C Lift Cond Lev (LCL): 793.09 mb = 2109.98 m = 6922.41 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 60 at 8 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 ---------------------------------------------------------- 0 950 569 130 5 -3.8 3.2 | 203 8 3.1 7.3 1 925 793 95 7 -7.0 0.6 | 179 5 -0.1 4.7 2 912 914 80 10 -9.8 -1.7 | 128 4 -2.9 2.3 3 880 1219 60 27 -23.4 -13.5 | 60 19 -16.5 -9.4 4 850 1522 60 13 -11.3 -6.5 | 61 5 -4.3 -2.4 5 850 1524 65 14 -12.7 -5.9 | 72 6 -5.8 -1.8 6 820 1829 40 14 -9.0 -10.7 | 17 7 -2.1 -6.7 7 791 2134 40 16 -10.3 -12.3 | 22 9 -3.4 -8.2 8 763 2438 25 9 -3.8 -8.2 | 323 5 3.1 -4.1 9 709 3048 265 11 11.0 1.0 | 254 19 17.9 5.0 10 700 3160 265 11 11.0 1.0 | 254 19 17.9 5.0 11 658 3658 260 16 15.8 2.8 | 253 24 22.7 6.8 12 634 3962 210 2 1.0 1.7 | 234 10 7.9 5.8 13 610 4267 70 7 -6.6 -2.4 | 191 2 0.3 1.7 14 525 5486 185 10 0.9 10.0 | 209 16 7.8 14.0 15 500 5880 265 10 10.0 0.9 | 254 18 16.9 4.9 16 486 6096 275 8 8.0 -0.7 | 257 15 14.9 3.4 17 400 7580 260 3 3.0 0.5 | 245 11 9.9 4.6 18 398 7620 0 0 -0.0 -0.0 | 240 8 6.9 4.1 19 366 8230 250 7 6.6 2.4 | 244 15 13.5 6.5 20 351 8534 260 17 16.7 3.0 | 253 25 23.7 7.0 21 336 8839 270 19 19.0 -0.0 | 261 26 25.9 4.1 22 309 9449 250 27 25.4 9.2 | 248 35 32.3 13.3 23 300 9670 245 26 23.6 11.0 | 244 34 30.5 15.1 24 250 10930 240 29 25.1 14.5 | 240 37 32.0 18.6 25 248 10973 235 25 20.5 14.3 | 236 33 27.4 18.4 26 237 11278 245 33 29.9 13.9 | 244 41 36.8 18.0 27 200 12400 220 61 39.2 46.7 | 222 69 46.1 50.8 28 199 12432 220 61 39.2 46.7 | 222 69 46.1 50.8 29 197 12497 220 61 39.2 46.7 | 222 69 46.1 50.8 30 162 13716 225 38 26.9 26.9 | 228 46 33.8 30.9 31 150 14190 250 37 34.8 12.7 | 248 45 41.7 16.7 32 147 14326 245 32 29.0 13.5 | 244 40 35.9 17.6 33 139 14630 240 48 41.6 24.0 | 240 56 48.5 28.1 34 126 15240 225 28 19.8 19.8 | 228 36 26.7 23.9 35 113 15850 230 34 26.0 21.9 | 232 42 33.0 25.9 36 100 16580 230 18 13.8 11.6 | 233 26 20.7 15.6 37 97 16764 230 18 13.8 11.6 | 233 26 20.7 15.6 38 96 16813 250 15 14.1 5.1 | 246 23 21.0 9.2 39 92 17069 250 16 15.0 5.5 | 247 24 21.9 9.5 40 87 17374 240 18 15.6 9.0 | 240 26 22.5 13.1 41 83 17678 170 12 -2.1 11.8 | 197 17 4.8 15.9 42 78 17983 55 1 -0.8 -0.6 | 240 7 6.1 3.5 43 70 18593 150 10 -5.0 8.7 | 189 13 1.9 12.7 44 70 18630 55 9 -7.4 -5.2 | 23 1 -0.5 -1.1 45 60 19507 90 10 -10.0 0.0 | 143 5 -3.1 4.1 46 57 19812 110 11 -10.3 3.8 | 156 9 -3.4 7.8 47 52 20422 60 23 -19.9 -11.5 | 60 15 -13.0 -7.4 48 50 20620 65 18 -16.3 -7.6 | 69 10 -9.4 -3.5 49 49 20726 45 20 -14.1 -14.1 | 36 12 -7.2 -10.1 50 44 21336 90 17 -17.0 0.0 | 112 11 -10.1 4.1 51 42 21641 95 14 -13.9 1.2 | 127 9 -7.0 5.3 52 40 21946 45 12 -8.5 -8.5 | 20 5 -1.6 -4.4 53 36 22555 70 11 -10.3 -3.8 | 95 3 -3.4 0.3 54 35 22860 60 10 -8.7 -5.0 | 62 2 -1.7 -0.9 55 33 23165 120 11 -9.5 5.5 | 165 10 -2.6 9.6 56 31 23470 95 16 -15.9 1.4 | 121 11 -9.0 5.5 57 30 23750 105 28 -27.0 7.2 | 119 23 -20.1 11.3 58 30 23774 90 22 -22.0 0.0 | 105 16 -15.1 4.1 59 28 24079 105 28 -27.0 7.2 | 119 23 -20.1 11.3 60 26 24384 85 27 -26.9 -2.4 | 95 20 -20.0 1.7 61 24 24689 100 35 -34.5 6.1 | 110 29 -27.6 10.1 62 22 24994 95 38 -37.9 3.3 | 103 32 -30.9 7.4 63 18 25908 80 26 -25.6 -4.5 | 89 19 -18.7 -0.4 Wind Parameters Mean winds (0-6000m): 29.5 at 10.7 knts Storm direction: 59.5 at 8.0 knts Shear (0-3000m) pos: 0.0 neg: 3.2 tot: 3.2 10-3/s Storm rel Dir Shear (0-3000m): 50.6 deg Storm rel helicity (0-3000m) pos: 1.7 neg: -110.8 tot: -109.1 m^2/s^2 ave: -36.4 10^-3 m/s^2 rel: -0.58 Storm rel vorticity (0-3000m) horiz: 12.7 stream: -7.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 3.18 Bulk Shear: 12.15 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 87 9 148 4| 0.0 17.2 17.2| 0.0 -17.9 -17.9 -35.8 -0.73| 17.6-12.8 1000 68 15 78 7| 0.0 6.7 6.7| 0.8 -34.0 -33.1 -33.1 -0.46| 18.2 -8.4 1500 60 15 62 7| 0.0 5.6 5.6| 1.7 -42.2 -40.5 -27.0 -0.50| 14.4 -7.2 2000 54 14 47 6| 0.0 3.4 3.4| 1.7 -57.2 -55.4 -27.7 -0.55| 13.7 -7.6 2500 48 13 32 6| 0.0 3.1 3.1| 1.7-109.2-107.4 -43.0 -0.61| 14.4 -8.8 3000 37 13 10 6| 0.0 3.2 3.2| 1.7-110.8-109.1 -36.4 -0.58| 12.7 -7.4 4000 36 12 360 5| 0.0 0.6 0.6| 1.8-160.0-158.2 -39.5 -0.54| 13.6 -7.3 5000 53 11 39 3| 1.4 0.4 1.9| 38.2-160.0-121.8 -24.4 -0.38| 12.6 -4.8 6000 30 11 343 5| 1.4 0.5 1.9| 92.9-163.7 -70.8 -11.8 -0.26| 11.8 -3.1 Wrote GIF file: /home/apache/climate/data/raob//SBLO/skewt/SBLO.skewt.20251206.12.gif