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 SBLO... Searching the city database file for: SBLO ... Date:1200Z 6 JAN 26 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 131 SFC 952 569 20.4 16.4 78 4.0 17.7 130 8 297.7 300.0 292.7 333.7 12.42 2 925 805 17.4 15.1 86 2.3 15.9 100 10 297.1 299.2 292.0 331.1 11.74 3 907 973 16.0 14.8 93 1.2 15.2 91 14 297.3 299.5 292.1 331.4 11.75 4 889 1143 15.4 14.0 91 1.4 14.5 66 22 298.4 300.5 292.2 331.6 11.37 5 853 1495 15.6 14.9 96 0.7 15.1 32 22 302.2 304.5 294.1 339.4 12.59 6 850 1525 15.6 14.6 94 1.0 15.0 30 22 302.5 304.8 294.1 339.1 12.39 7 841 1615 16.0 13.2 83 2.8 14.2 30 20 303.8 305.9 293.8 337.8 11.41 8 715 2979 9.8 -18.2 12 28.0 -0.4 349 6 311.4 311.7 287.3 315.7 1.27 9 700 3155 8.4 -13.6 19 22.0 -0.4 345 5 311.8 312.1 288.1 318.0 1.91 10 693 3238 8.0 -11.0 25 19.0 -0.0 353 5 312.2 312.7 288.7 320.0 2.38 11 672 3490 7.0 -15.0 19 22.0 -1.6 16 4 313.9 314.2 288.6 319.7 1.77 12 667 3551 7.6 -28.4 6 36.0 -3.1 22 4 315.2 315.3 287.8 317.2 0.55 13 577 4723 -0.3 -31.3 8 31.0 -8.4 117 4 319.3 319.4 289.0 321.1 0.48 14 573 4779 0.0 -34.0 6 34.0 -8.4 120 5 320.3 320.4 289.3 321.7 0.38 15 500 5850 -8.3 -39.3 6 31.0 -14.3 160 10 322.9 323.0 289.9 323.9 0.25 16 400 7540 -21.5 -50.5 5 29.0 -24.6 205 18 327.0 327.1 291.0 327.4 0.09 17 349 8530 -29.3 -56.3 6 27.0 -31.3 224 21 329.5 329.5 291.6 329.7 0.05 18 319 9169 -31.7 -58.7 5 27.0 -33.5 234 26 334.8 334.8 293.0 334.9 0.04 19 300 9600 -35.1 -60.1 6 25.0 -36.5 240 30 335.9 335.9 293.3 336.1 0.04 20 250 10840 -45.5 -62.5 13 17.0 -46.0 250 33 338.4 338.4 294.0 338.6 0.03 21 221 11650 -52.1 -65.1 20 13.0 -52.4 250 35 340.4 340.4 294.4 340.5 0.03 22 200 12290 -55.9 -69.9 16 14.0 -56.1 285 40 344.2 344.2 295.3 344.3 0.02 23 159 13731 -62.7 -78.7 10 16.0 -62.8 260 39 356.1 356.1 297.9 356.1 0.01 24 150 14090 -63.5 -81.5 7 18.0 -63.6 250 42 360.7 360.7 298.8 360.7 0.00 25 101 16471 -71.1 -88.1 6 17.0 -71.2 224 26 389.2 389.2 303.7 389.3 0.00 26 100 16530 -71.1 -89.1 5 18.0 -71.2 190 18 390.4 390.4 303.8 390.4 0.00 27 91 17086 -73.9 -88.9 8 15.0 -73.9 225 18 395.5 395.5 304.6 395.5 0.00 28 86 17416 -74.5 -89.5 8 15.0 -74.6 224 14 400.7 400.7 305.3 400.7 0.00 29 70 18620 -73.5 -89.5 7 16.0 -73.6 155 16 427.1 427.1 308.5 427.1 0.00 30 64 19149 -70.7 -89.7 4 19.0 -70.8 117 25 444.4 444.4 310.3 444.4 0.00 31 58 19731 -72.5 -90.5 5 18.0 -72.6 65 20 453.0 453.0 311.1 453.0 0.00 32 50 20620 -65.7 -90.7 2 25.0 -66.0 95 30 488.7 488.7 314.1 488.7 0.00 33 49 20742 -64.7 -89.7 2 25.0 -65.0 104 23 493.9 493.9 314.5 493.9 0.00 34 41 21834 -61.9 -88.9 2 27.0 -62.4 97 27 526.7 526.7 316.7 526.7 0.00 35 39 22141 -63.1 -89.1 2 26.0 -63.6 103 20 531.2 531.2 317.0 531.2 0.00 36 30 23770 -57.9 -87.9 1 30.0 -59.0 85 24 586.8 586.8 320.0 586.8 0.01 37 28 24206 -56.7 -86.7 1 30.0 -58.1 85 24 601.8 601.8 320.7 601.9 0.01 38 26 24675 -57.7 -87.7 1 30.0 -59.0 94 28 611.9 611.9 321.2 611.9 0.01 39 23 25455 -54.1 -86.1 1 32.0 -56.3 73 29 644.3 644.3 322.4 644.4 0.01 40 21 26037 -55.7 -86.7 1 31.0 -57.7 85 30 656.5 656.5 322.9 656.5 0.01 TRP 91 17086 -73.9 -88.9 8 15.0 -73.9 225 18 395.5 395.5 304.6 395.5 0.00 WND Sounding variables and indices 1000-500 mb thick: 5719.00 m Freezing level: 580.42 mb = 4678.68 m = 15349.82 ft Freezing level: 573.00 mb = 4778.69 m = 15677.92 ft Freezing level: 573.00 mb = 4778.69 m = 15677.92 ft Wetbulb zero: 718.87 mb = 2933.89 m = 9625.50 ft Precipitable water: 0.91 inches Sfc-500 mean rel hum: 34.15 % Est. max temperature: 28.63 C = 83.53 F Sfc-Lift cond lev (LCL): 897.50 mb = 1062.47 m = 3485.74 ft T: 15.68 C 700-500 lapse rate: 6.20 C/km ThetaE index: 23.70 C Layer 850.0- 700.0 mb Conv cond level (CCL): 764.96 mb = 2411.73 m = 7912.42 ft Mean mixing ratio: 11.90 g/kg Conv temperature: 30.81 C = 87.46 F Cap Strength: 4.18 C Lifted Index: 1.41 C Risk: Showers probable Lifted Index @300 mb: 3.14 C Lifted Index @700 mb: 2.93 C Showalter Index: -1.17 C Risk: Thunderstorms probable Total Totals Index: 46.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.90 C Cross Totals Index: 22.90 C K Index: 16.50 Risk: < 20 % chance of thunderstorms Sweat Index: 229.20 Risk: None Energy Index: -2.93 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 28.09 J/kg Max Up Vert Vel: 7.50 m/s Conv Inhibition (B-): 509.34 J/kg Cap Strength: 4.03 C Lift Cond Lev (LCL): 877.74 mb = 1251.87 m = 4107.14 ft Lev Free Conv (LFC): 412.74 mb = 7302.52 m = 23958.09 ft Equ Level (EL): 342.74 mb = 8658.48 m = 28406.74 ft B at Equ Level: 24.51 J/kg Max Parcel Lev (MPL): 322.74 mb = 9085.84 m = 29808.84 ft Wind level data Storm motion: 101 at 7 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 ---------------------------------------------------------- 0 952 569 130 8 -6.1 5.1 | 189 4 0.6 3.8 1 925 805 100 10 -9.8 1.7 | 97 3 -3.1 0.4 2 913 914 100 11 -10.8 1.9 | 98 4 -4.1 0.6 3 881 1219 55 26 -21.3 -14.9 | 42 22 -14.6 -16.3 4 850 1524 30 22 -11.0 -19.1 | 12 21 -4.3 -20.4 5 850 1525 30 22 -11.0 -19.1 | 12 21 -4.3 -20.4 6 791 2134 30 11 -5.5 -9.5 | 354 11 1.2 -10.9 7 762 2438 360 9 -0.0 -9.0 | 327 12 6.7 -10.4 8 700 3155 345 5 1.3 -4.8 | 308 10 8.0 -6.2 9 609 4267 90 1 -1.0 0.0 | 283 6 5.7 -1.4 10 523 5486 165 10 -2.6 9.7 | 206 9 4.1 8.3 11 500 5850 160 10 -3.4 9.4 | 202 9 3.3 8.0 12 484 6096 155 10 -4.2 9.1 | 198 8 2.5 7.7 13 465 6401 155 10 -4.2 9.1 | 198 8 2.5 7.7 14 412 7315 195 13 3.4 12.6 | 222 15 10.1 11.2 15 400 7540 205 18 7.6 16.3 | 224 21 14.3 15.0 16 379 7925 195 17 4.4 16.4 | 216 19 11.1 15.1 17 363 8230 220 18 11.6 13.8 | 236 22 18.3 12.4 18 300 9600 240 30 26.0 15.0 | 247 35 32.7 13.6 19 268 10363 235 31 25.4 17.8 | 243 36 32.1 16.4 20 256 10668 250 33 31.0 11.3 | 255 39 37.7 9.9 21 250 10840 250 33 31.0 11.3 | 255 39 37.7 9.9 22 213 11887 250 36 33.8 12.3 | 255 42 40.5 11.0 23 200 12290 285 40 38.6 -10.4 | 284 47 45.3 -11.7 24 193 12497 280 38 37.4 -6.6 | 280 45 44.1 -7.9 25 184 12802 280 42 41.4 -7.3 | 280 49 48.1 -8.6 26 167 13411 265 32 31.9 2.8 | 268 39 38.6 1.4 27 152 14021 255 46 44.4 11.9 | 258 52 51.1 10.6 28 150 14090 250 42 39.5 14.4 | 254 48 46.2 13.0 29 101 16459 230 28 21.4 18.0 | 239 33 28.2 16.6 30 100 16530 190 18 3.1 17.7 | 211 19 9.8 16.4 31 96 16764 185 13 1.1 13.0 | 214 14 7.8 11.6 32 91 17069 205 10 4.2 9.1 | 235 13 10.9 7.7 33 91 17086 225 18 12.7 12.7 | 240 23 19.4 11.4 34 87 17374 225 14 9.9 9.9 | 243 19 16.6 8.5 35 78 17983 210 14 7.0 12.1 | 232 17 13.7 10.8 36 74 18288 185 25 2.2 24.9 | 201 25 8.9 23.6 37 70 18593 125 11 -9.0 6.3 | 155 5 -2.3 5.0 38 70 18620 155 16 -6.8 14.5 | 180 13 -0.1 13.2 39 67 18898 155 21 -8.9 19.0 | 173 18 -2.2 17.7 40 63 19202 110 26 -24.4 8.9 | 113 19 -17.7 7.5 41 60 19507 95 18 -17.9 1.6 | 91 11 -11.2 0.2 42 57 19812 55 20 -16.4 -11.5 | 37 16 -9.7 -12.8 43 52 20422 100 19 -18.7 3.3 | 99 12 -12.0 1.9 44 50 20620 95 30 -29.9 2.6 | 93 23 -23.2 1.3 45 49 20726 105 22 -21.3 5.7 | 107 15 -14.5 4.3 46 47 21031 95 33 -32.9 2.9 | 93 26 -26.2 1.5 47 45 21336 80 21 -20.7 -3.6 | 70 15 -14.0 -5.0 48 40 21946 100 28 -27.6 4.9 | 100 21 -20.9 3.5 49 38 22250 105 16 -15.5 4.1 | 108 9 -8.8 2.8 50 31 23470 75 40 -38.6 -10.4 | 70 34 -31.9 -11.7 51 30 23770 85 24 -23.9 -2.1 | 79 18 -17.2 -3.4 52 28 24079 85 24 -23.9 -2.1 | 79 18 -17.2 -3.4 53 26 24384 95 29 -28.9 2.5 | 93 22 -22.2 1.2 54 22 24994 65 29 -26.3 -12.3 | 55 24 -19.6 -13.6 55 20 25298 95 31 -30.9 2.7 | 93 24 -24.2 1.4 56 18 25908 75 28 -27.0 -7.2 | 67 22 -20.3 -8.6 57 16 26213 90 28 -28.0 0.0 | 86 21 -21.3 -1.4 Wind Parameters Mean winds (0-6000m): 71.4 at 9.1 knts Storm direction: 101.4 at 6.8 knts Shear (0-3000m) pos: 0.6 neg: 2.2 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): 122.2 deg Storm rel helicity (0-3000m) pos: 1.4 neg: -150.9 tot: -149.5 m^2/s^2 ave: -49.8 10^-3 m/s^2 rel: -0.67 Storm rel vorticity (0-3000m) horiz: 10.4 stream: -7.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 7.76 Bulk Shear: 3.62 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 99 11 96 4| 0.0 15.6 15.6| 0.0 -13.1 -13.1 -26.2 -0.61| 16.1 -9.8 1000 63 17 43 13| 0.0 12.3 12.3| 0.0-105.2-105.2 -105.2 -0.73| 19.5-14.2 1500 51 17 28 14| 0.0 5.4 5.4| 0.0-120.7-120.7 -80.4 -0.67| 16.1-10.7 2000 45 15 18 13| 0.0 3.8 3.8| 0.0-141.9-141.9 -71.0 -0.70| 13.9 -9.8 2500 40 14 9 12| 0.0 2.6 2.6| 0.0-149.7-149.7 -59.9 -0.71| 11.8 -8.4 3000 37 12 3 11| 0.6 2.2 2.8| 1.4-150.9-149.5 -49.8 -0.67| 10.4 -7.0 4000 36 9 353 9| 1.0 1.6 2.6| 1.4-155.7-154.3 -38.6 -0.66| 8.6 -5.7 5000 48 9 360 7| 1.6 1.3 2.9| 2.0-159.8-157.8 -31.6 -0.63| 7.8 -4.9 6000 71 9 24 5| 1.4 1.1 2.5| 3.4-162.4-159.0 -26.5 -0.61| 6.8 -4.2 Wrote GIF file: /home/apache/climate/data/raob//SBLO/skewt/SBLO.skewt.20260106.12.gif