UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011812.upa.cvt Date: 1200Z 18 JAN 26 Searching for SBLO... Searching the city database file for: SBLO ... Date:1200Z 18 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 77 SFC 947 569 22.2 21.2 94 1.0 21.5 30 5 300.0 303.1 296.5 349.7 16.97 2 935 673 20.4 20.3 99 0.1 20.4 19 6 299.2 302.2 295.9 346.7 16.24 3 925 760 20.6 19.4 93 1.2 19.8 10 7 300.4 303.2 295.7 345.8 15.51 4 898 1018 22.8 16.8 69 6.0 18.7 312 10 305.2 307.7 295.7 345.6 13.52 5 850 1496 19.6 17.3 87 2.3 18.0 275 16 306.7 309.4 296.9 351.1 14.78 6 815 1858 17.0 15.9 93 1.1 16.3 267 14 307.6 310.3 296.7 350.2 14.08 7 700 3141 8.8 6.7 87 2.1 7.5 255 19 312.2 313.9 294.2 339.5 8.83 8 685 3320 7.2 6.1 93 1.1 6.5 253 19 312.4 314.0 294.1 339.2 8.66 9 647 3790 4.6 -0.4 70 5.0 2.0 246 21 314.6 315.7 292.4 332.7 5.75 10 628 4033 2.6 -0.1 82 2.7 1.1 237 22 315.0 316.2 292.8 334.1 6.06 11 585 4605 -0.9 -1.2 98 0.3 -1.1 224 21 317.4 318.5 293.4 336.5 6.00 12 565 4883 -1.5 -5.9 72 4.4 -3.6 211 21 319.8 320.7 292.8 334.0 4.36 13 520 5541 -6.1 -6.1 100 0.0 -6.1 208 13 322.0 322.9 293.6 337.2 4.67 14 511 5679 -5.3 -12.3 58 7.0 -8.2 217 12 324.6 325.1 292.9 334.3 2.91 15 500 5850 -6.3 -10.2 74 3.9 -8.0 235 9 325.4 326.1 293.6 337.2 3.52 16 493 5959 -6.1 -7.7 88 1.6 -6.8 233 9 326.9 327.8 294.7 341.4 4.35 17 467 6379 -7.7 -16.7 48 9.0 -11.1 235 10 330.0 330.5 293.7 337.7 2.22 18 463 6446 -8.1 -16.1 53 8.0 -11.1 231 12 330.3 330.8 294.0 338.5 2.35 19 448 6699 -8.5 -36.5 8 28.0 -14.7 206 23 333.0 333.0 292.9 334.4 0.38 20 416 7265 -13.7 -27.7 30 14.0 -17.3 202 23 333.4 333.6 293.6 336.9 0.94 21 400 7560 -15.3 -34.3 18 19.0 -19.3 200 22 335.1 335.2 293.6 337.1 0.52 22 384 7869 -17.5 -41.5 10 24.0 -21.5 210 22 336.1 336.2 293.6 337.2 0.26 23 329 9009 -27.5 -45.5 16 18.0 -29.6 205 33 337.6 337.6 293.9 338.4 0.20 24 300 9670 -31.5 -53.5 10 22.0 -33.3 200 38 341.0 341.0 294.6 341.3 0.09 25 262 10611 -39.5 -54.5 19 15.0 -40.4 204 49 342.7 342.7 295.1 343.1 0.09 26 250 10930 -40.9 -61.9 9 21.0 -41.8 205 53 345.3 345.3 295.6 345.4 0.04 27 249 10957 -40.9 -62.9 8 22.0 -41.8 202 52 345.7 345.7 295.7 345.8 0.03 28 200 12410 -53.3 -70.3 11 17.0 -53.6 205 57 348.4 348.4 296.3 348.4 0.01 29 197 12506 -54.1 -71.1 11 17.0 -54.4 204 59 348.6 348.6 296.3 348.7 0.01 30 184 12939 -56.9 -73.0 11 16.1 -57.1 200 66 351.0 351.0 296.8 351.0 0.01 31 158 13884 -63.1 -77.1 13 14.0 -63.2 198 51 356.0 356.0 297.9 356.1 0.01 32 150 14200 -65.7 -76.7 20 11.0 -65.8 215 29 356.9 356.9 298.1 356.9 0.01 33 133 14920 -72.1 -76.6 51 4.5 -72.1 224 30 358.0 358.0 298.3 358.0 0.01 34 131 15009 -72.7 -77.5 48 4.8 -72.7 224 31 358.5 358.5 298.4 358.5 0.01 35 116 15721 -73.9 -86.9 12 13.0 -73.9 184 37 368.9 368.9 300.4 369.0 0.00 36 100 16580 -77.1 -88.1 16 11.0 -77.1 155 24 378.8 378.8 302.1 378.8 0.00 37 99 16637 -77.7 -88.7 15 11.0 -77.7 155 24 378.7 378.7 302.1 378.7 0.00 38 87 17379 -75.7 -88.7 11 13.0 -75.7 135 21 397.0 397.0 304.8 397.0 0.00 39 70 18620 -79.7 -90.7 15 11.0 -79.7 120 20 413.9 413.9 307.0 413.9 0.00 40 50 20600 -67.1 -91.1 2 24.0 -67.3 85 23 485.4 485.4 313.9 485.4 0.00 41 42 21669 -60.5 -88.5 1 28.0 -61.2 72 24 526.5 526.5 316.7 526.5 0.00 42 36 22628 -60.9 -88.9 1 28.0 -61.6 98 17 549.2 549.2 318.1 549.2 0.00 TRP 99 16637 -77.7 -88.7 15 11.0 -77.7 155 24 378.7 378.7 302.1 378.7 0.00 WND 184 12939 -56.9 -73.0 11 16.1 -57.1 200 66 351.0 351.0 296.8 351.0 0.01 Sounding variables and indices 1000-500 mb thick: 5773.00 m Freezing level: 596.06 mb = 4457.73 m = 14624.92 ft Wetbulb zero: 605.83 mb = 4322.63 m = 14181.70 ft Precipitable water: 1.82 inches Sfc-500 mean rel hum: 85.39 % Est. max temperature: 30.40 C = 86.73 F Sfc-Lift cond lev (LCL): 933.58 mb = 685.10 m = 2247.67 ft T: 20.43 C 700-500 lapse rate: 5.57 C/km ThetaE index: 18.38 C Layer 815.0- 628.0 mb Conv cond level (CCL): 806.24 mb = 1948.83 m = 6393.73 ft Mean mixing ratio: 14.71 g/kg Conv temperature: 30.05 C = 86.10 F Cap Strength: 2.58 C Lifted Index: -2.45 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.81 C Lifted Index @700 mb: -1.12 C Showalter Index: -3.74 C Risk: Severe thunderstorms possible Total Totals Index: 49.50 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 25.90 C Cross Totals Index: 23.60 C K Index: 41.10 Risk: > 80 % chance of thunderstorms Sweat Index: 258.60 Risk: None Energy Index: -2.81 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 648.68 J/kg Max Up Vert Vel: 36.02 m/s Conv Inhibition (B-): 71.47 J/kg Cap Strength: 2.58 C Lift Cond Lev (LCL): 855.18 mb = 1443.19 m = 4734.80 ft Lev Free Conv (LFC): 740.18 mb = 2670.13 m = 8760.17 ft Equ Level (EL): 240.18 mb = 11196.46 m = 36733.34 ft B at Equ Level: 648.62 J/kg Max Parcel Lev (MPL): 120.18 mb = 15513.59 m = 50897.00 ft Wind level data Storm motion: 273 at 11 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 30 5 -2.5 -4.3 | 75 14 -14.0 -3.8 1 925 760 10 7 -1.2 -6.9 | 63 14 -12.7 -6.3 2 909 914 320 9 5.8 -6.9 | 42 9 -5.7 -6.3 3 850 1496 275 16 15.9 -1.4 | 281 5 4.5 -0.8 4 788 2134 260 12 11.8 2.1 | 188 3 0.3 2.6 5 761 2438 250 12 11.3 4.1 | 178 5 -0.2 4.7 6 700 3141 255 19 18.4 4.9 | 232 9 6.9 5.5 7 656 3658 250 20 18.8 6.8 | 225 10 7.3 7.4 8 632 3962 240 23 19.9 11.5 | 215 15 8.5 12.1 9 609 4267 220 20 12.9 15.3 | 185 16 1.4 15.9 10 586 4572 225 21 14.8 14.8 | 192 16 3.4 15.4 11 564 4877 210 21 10.5 18.2 | 177 19 -1.0 18.7 12 543 5182 225 18 12.7 12.7 | 185 13 1.3 13.3 13 523 5486 205 14 5.9 12.7 | 157 14 -5.6 13.2 14 504 5791 225 10 7.1 7.1 | 150 9 -4.4 7.6 15 500 5850 235 9 7.4 5.2 | 144 7 -4.1 5.7 16 484 6096 230 10 7.7 6.4 | 151 8 -3.8 7.0 17 465 6401 235 10 8.2 5.7 | 152 7 -3.3 6.3 18 447 6706 205 24 10.1 21.8 | 177 22 -1.3 22.3 19 400 7560 200 22 7.5 20.7 | 169 22 -3.9 21.2 20 397 7620 210 19 9.5 16.5 | 173 17 -2.0 17.0 21 365 8230 210 27 13.5 23.4 | 185 24 2.0 23.9 22 300 9670 200 38 13.0 35.7 | 182 36 1.5 36.3 23 250 10930 205 53 22.4 48.0 | 193 50 10.9 48.6 24 248 10973 200 52 17.8 48.9 | 187 50 6.3 49.4 25 216 11887 215 52 29.8 42.6 | 203 47 18.4 43.2 26 200 12410 205 57 24.1 51.7 | 194 54 12.6 52.2 27 184 12939 200 66 22.6 62.0 | 190 64 11.1 62.6 28 179 13106 200 66 22.6 62.0 | 190 64 11.1 62.6 29 162 13716 195 64 16.6 61.8 | 185 63 5.1 62.4 30 154 14021 200 39 13.3 36.6 | 183 37 1.9 37.2 31 150 14200 215 29 16.6 23.8 | 192 25 5.2 24.3 32 139 14630 215 26 14.9 21.3 | 189 22 3.4 21.9 33 132 14935 225 30 21.2 21.2 | 204 24 9.7 21.8 34 126 15240 220 34 21.9 26.0 | 201 29 10.4 26.6 35 119 15545 200 39 13.3 36.6 | 183 37 1.9 37.2 36 113 15850 170 35 -6.1 34.5 | 153 39 -17.5 35.0 37 100 16580 155 24 -10.1 21.8 | 136 31 -21.6 22.3 38 99 16637 155 24 -10.1 21.8 | 136 31 -21.6 22.3 39 97 16764 155 23 -9.7 20.8 | 135 30 -21.2 21.4 40 74 18288 105 19 -18.4 4.9 | 100 30 -29.8 5.5 41 70 18620 120 20 -17.3 10.0 | 110 31 -28.8 10.6 42 63 19202 120 21 -18.2 10.5 | 110 32 -29.7 11.1 43 60 19507 70 23 -21.6 -7.9 | 78 34 -33.1 -7.3 44 57 19812 85 25 -24.9 -2.2 | 87 36 -36.4 -1.6 45 54 20117 65 18 -16.3 -7.6 | 76 29 -27.8 -7.1 46 50 20600 85 23 -22.9 -2.0 | 88 34 -34.4 -1.4 47 49 20726 95 22 -21.9 1.9 | 94 33 -33.4 2.5 48 46 21031 65 23 -20.8 -9.7 | 74 34 -32.3 -9.2 49 43 21336 75 26 -25.1 -6.7 | 80 37 -36.6 -6.2 50 40 21641 65 20 -18.1 -8.5 | 75 31 -29.6 -7.9 51 35 22250 105 16 -15.5 4.1 | 100 27 -26.9 4.7 52 33 22555 70 21 -19.7 -7.2 | 78 32 -31.2 -6.6 53 31 22860 90 16 -16.0 0.0 | 91 27 -27.5 0.6 Wind Parameters Mean winds (0-6000m): 242.8 at 15.3 knts Storm direction: 272.8 at 11.5 knts Shear (0-3000m) pos: 0.9 neg: 3.3 tot: 4.2 10-3/s Storm rel Dir Shear (0-3000m): 150.9 deg Storm rel helicity (0-3000m) pos: 8.8 neg: -45.4 tot: -36.6 m^2/s^2 ave: -12.2 10^-3 m/s^2 rel: -0.49 Storm rel vorticity (0-3000m) horiz: 6.5 stream: -3.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 14.74 Bulk Shear: 44.01 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 ------------------------------------------------------------------------------- 500 342 8 53 11| 0.0 11.6 11.6| 0.0 -28.6 -28.6 -57.3 -0.74| 13.2 -9.7 1000 302 11 25 6| 0.0 9.4 9.4| 0.0 -39.6 -39.6 -39.6 -0.82| 11.6 -9.5 1500 287 12 3 3| 0.0 5.5 5.5| 0.0 -42.4 -42.4 -28.3 -0.83| 9.2 -7.6 2000 278 12 343 1| 0.0 4.5 4.5| 1.4 -43.2 -41.8 -20.9 -0.73| 7.8 -5.7 2500 271 13 255 1| 1.0 3.6 4.6| 7.9 -43.2 -35.3 -14.1 -0.51| 7.3 -3.8 3000 266 14 238 3| 0.9 3.3 4.2| 8.8 -45.4 -36.6 -12.2 -0.49| 6.5 -3.2 4000 255 16 218 6| 0.7 2.9 3.5| 17.2 -85.0 -67.8 -16.9 -0.51| 6.8 -3.5 5000 245 16 204 8| 0.5 1.6 2.1| 26.5-130.0-103.4 -20.7 -0.50| 7.4 -3.7 6000 243 15 196 8| 0.6 2.0 2.7| 39.1-134.8 -95.7 -15.9 -0.37| 7.6 -2.8 Wrote GIF file: /home/apache/climate/data/raob//SBLO/skewt/SBLO.skewt.20260118.12.gif