UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120812.upa.cvt Date: 1200Z 8 DEC 25 Searching for SBLO... Searching the city database file for: SBLO ... Date:1200Z 8 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 96 SFC 948 569 23.2 19.8 81 3.4 20.8 80 5 300.9 303.8 295.8 346.5 15.51 2 925 777 21.2 18.5 85 2.7 19.3 70 14 301.0 303.7 295.3 344.0 14.64 3 893 1083 19.8 17.7 88 2.1 18.4 41 19 302.6 305.2 295.6 345.2 14.42 4 850 1510 19.2 15.0 77 4.2 16.4 40 26 306.3 308.6 295.4 344.5 12.72 5 700 3153 9.2 3.2 66 6.0 5.8 40 19 312.7 314.0 292.9 334.2 6.90 6 696 3201 8.8 2.8 66 6.0 5.4 40 19 312.7 314.0 292.7 333.8 6.74 7 691 3260 8.8 -1.2 49 10.0 3.5 41 18 313.4 314.4 291.5 329.4 5.07 8 680 3393 8.4 -1.6 49 10.0 3.2 42 18 314.4 315.3 291.8 330.2 5.01 9 619 4163 2.0 -4.0 64 6.0 -1.0 69 7 315.6 316.5 291.8 330.3 4.60 10 598 4442 0.6 -0.5 92 1.1 0.0 51 4 317.1 318.3 293.5 336.8 6.18 11 500 5860 -7.9 -7.9 100 0.0 -7.9 285 10 323.4 324.2 293.7 337.3 4.22 12 496 5922 -8.3 -8.3 100 0.0 -8.3 285 10 323.7 324.5 293.6 337.3 4.13 13 400 7560 -17.5 -17.7 98 0.2 -17.6 290 17 332.2 332.7 294.4 340.6 2.38 14 371 8122 -20.9 -22.0 91 1.1 -21.2 273 24 335.0 335.3 294.6 341.3 1.77 15 300 9660 -32.5 -40.5 45 8.0 -33.5 240 32 339.6 339.6 294.6 341.0 0.37 16 261 10620 -41.1 -55.1 21 14.0 -41.9 235 45 340.7 340.8 294.6 341.1 0.08 17 250 10910 -42.9 -58.9 16 16.0 -43.6 235 51 342.3 342.3 294.9 342.5 0.05 18 239 11212 -44.9 -61.9 13 17.0 -45.5 237 54 343.7 343.7 295.3 343.9 0.04 19 219 11790 -48.5 -63.5 16 15.0 -49.0 241 60 346.8 346.9 296.0 347.0 0.03 20 210 12065 -50.5 -65.5 15 15.0 -50.9 243 63 347.9 347.9 296.2 348.0 0.03 21 200 12380 -53.5 -63.5 28 10.0 -53.7 245 66 348.0 348.1 296.3 348.2 0.04 22 197 12477 -54.1 -56.9 71 2.8 -54.2 245 67 348.6 348.6 296.4 349.0 0.09 23 172 13333 -60.5 -67.5 39 7.0 -60.6 253 61 351.8 351.8 297.0 351.9 0.03 24 150 14170 -67.3 -72.1 50 4.8 -67.4 250 66 354.2 354.2 297.5 354.2 0.02 25 138 14669 -71.6 -76.4 49 4.8 -71.6 250 72 355.2 355.2 297.7 355.2 0.01 26 135 14799 -72.7 -77.5 48 4.8 -72.7 250 72 355.4 355.4 297.8 355.4 0.01 27 123 15344 -74.5 -82.5 28 8.0 -74.5 250 62 361.7 361.7 299.0 361.7 0.00 28 111 15940 -76.1 -82.1 38 6.0 -76.1 230 36 369.5 369.5 300.5 369.5 0.00 29 106 16209 -72.7 -82.7 21 10.0 -72.8 233 33 380.9 380.9 302.4 380.9 0.00 30 101 16492 -74.7 -82.7 28 8.0 -74.7 250 12 382.3 382.3 302.6 382.3 0.00 31 100 16550 -74.9 -82.9 28 8.0 -74.9 260 15 383.0 383.0 302.7 383.0 0.00 32 89 17225 -76.1 -86.1 19 10.0 -76.2 256 14 393.6 393.6 304.3 393.6 0.00 33 86 17425 -72.7 -83.7 17 11.0 -72.8 241 15 404.3 404.3 305.8 404.4 0.00 34 74 18298 -76.9 -85.9 22 9.0 -76.9 151 12 413.2 413.2 306.9 413.3 0.00 35 70 18620 -73.7 -84.7 17 11.0 -73.7 180 20 426.7 426.7 308.5 426.7 0.00 36 57 19823 -70.9 -82.9 15 12.0 -71.0 128 10 458.9 458.9 311.7 458.9 0.01 37 55 20034 -72.1 -84.1 15 12.0 -72.2 108 14 460.9 460.9 311.8 460.9 0.01 38 50 20600 -66.9 -80.9 12 14.0 -67.1 110 18 485.8 485.8 313.9 485.9 0.01 39 49 20722 -66.5 -80.5 12 14.0 -66.7 90 17 489.6 489.6 314.2 489.7 0.01 40 47 20972 -67.7 -81.7 12 14.0 -67.9 111 19 492.6 492.6 314.4 492.7 0.01 41 45 21235 -63.9 -79.9 10 16.0 -64.3 83 15 508.0 508.0 315.5 508.1 0.02 42 30 23750 -57.7 -76.7 7 19.0 -58.8 135 21 587.3 587.4 320.0 587.6 0.04 43 29 23964 -57.5 -76.5 7 19.0 -58.7 113 15 593.6 593.6 320.3 593.9 0.04 44 26 24651 -59.3 -77.3 8 18.0 -60.3 111 20 607.3 607.3 320.9 607.6 0.04 TRP 111 15940 -76.1 -82.1 38 6.0 -76.1 230 36 369.5 369.5 300.5 369.5 0.00 WND 138 14669 -71.6 -76.4 49 4.8 -71.6 250 72 355.2 355.2 297.7 355.2 0.01 Sounding variables and indices 1000-500 mb thick: 5764.00 m Freezing level: 591.08 mb = 4541.83 m = 14900.84 ft Wetbulb zero: 633.32 mb = 3975.87 m = 13044.03 ft Precipitable water: 1.73 inches Sfc-500 mean rel hum: 77.88 % Est. max temperature: 30.55 C = 86.98 F Sfc-Lift cond lev (LCL): 902.11 mb = 994.66 m = 3263.27 ft T: 20.20 C 700-500 lapse rate: 6.32 C/km ThetaE index: 15.85 C Layer 850.0- 680.0 mb Conv cond level (CCL): 792.29 mb = 2105.02 m = 6906.16 ft Mean mixing ratio: 14.19 g/kg Conv temperature: 30.79 C = 87.41 F Cap Strength: 2.72 C Lifted Index: -3.06 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.29 C Lifted Index @700 mb: 0.04 C Showalter Index: -2.88 C Risk: Severe thunderstorms possible Total Totals Index: 50.00 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.10 C Cross Totals Index: 22.90 C K Index: 36.10 Risk: > 80 % chance of thunderstorms Sweat Index: 262.00 Risk: None Energy Index: -1.45 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 591.83 J/kg Max Up Vert Vel: 34.40 m/s Conv Inhibition (B-): 98.09 J/kg Cap Strength: 2.75 C Lift Cond Lev (LCL): 859.53 mb = 1413.50 m = 4637.40 ft Lev Free Conv (LFC): 664.53 mb = 3581.88 m = 11751.45 ft Equ Level (EL): 234.53 mb = 11336.53 m = 37192.88 ft B at Equ Level: 587.55 J/kg Max Parcel Lev (MPL): 134.53 mb = 14819.05 m = 48618.35 ft Wind level data Storm motion: 54 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 ---------------------------------------------------------- 0 948 569 80 5 -4.9 -0.9 | 216 7 4.1 5.7 1 925 777 70 14 -13.2 -4.8 | 113 4 -4.1 1.8 2 910 914 55 22 -18.0 -12.6 | 56 11 -9.0 -6.1 3 879 1219 30 17 -8.5 -14.7 | 356 8 0.5 -8.2 4 850 1510 40 26 -16.7 -19.9 | 30 15 -7.7 -13.4 5 849 1524 40 26 -16.7 -19.9 | 30 15 -7.7 -13.4 6 819 1829 50 24 -18.4 -15.4 | 47 13 -9.4 -8.9 7 790 2134 40 22 -14.1 -16.9 | 26 11 -5.1 -10.3 8 762 2438 35 21 -12.0 -17.2 | 16 11 -3.0 -10.6 9 735 2743 25 19 -8.0 -17.2 | 355 11 1.0 -10.7 10 700 3153 40 19 -12.2 -14.6 | 22 9 -3.2 -8.0 11 657 3658 45 16 -11.3 -11.3 | 26 5 -2.3 -4.8 12 633 3962 60 12 -10.4 -6.0 | 112 1 -1.4 0.6 13 609 4267 75 3 -2.9 -0.8 | 227 8 6.1 5.8 14 544 5182 290 10 9.4 -3.4 | 260 19 18.4 3.1 15 500 5860 285 10 9.7 -2.6 | 258 19 18.7 4.0 16 485 6096 285 11 10.6 -2.8 | 259 20 19.6 3.7 17 466 6401 310 18 13.8 -11.6 | 282 23 22.8 -5.0 18 413 7315 305 14 11.5 -8.0 | 274 21 20.5 -1.5 19 400 7560 290 17 16.0 -5.8 | 268 25 25.0 0.7 20 381 7925 270 20 20.0 -0.0 | 257 30 29.0 6.6 21 365 8230 275 26 25.9 -2.3 | 263 35 34.9 4.3 22 350 8534 275 24 23.9 -2.1 | 262 33 32.9 4.5 23 336 8839 255 26 25.1 6.7 | 249 37 34.1 13.3 24 300 9660 240 32 27.7 16.0 | 238 43 36.7 22.6 25 296 9754 245 27 24.5 11.4 | 242 38 33.5 18.0 26 283 10058 235 34 27.9 19.5 | 235 45 36.9 26.1 27 250 10910 235 51 41.8 29.3 | 235 62 50.8 35.8 28 200 12380 245 66 59.8 27.9 | 243 77 68.8 34.5 29 187 12802 245 69 62.5 29.2 | 243 80 71.6 35.7 30 169 13411 255 59 57.0 15.3 | 252 70 66.0 21.8 31 150 14170 250 66 62.0 22.6 | 248 77 71.0 29.1 32 138 14669 250 72 67.7 24.6 | 248 83 76.7 31.2 33 132 14935 250 72 67.7 24.6 | 248 83 76.7 31.2 34 119 15545 250 57 53.6 19.5 | 247 68 62.6 26.1 35 113 15850 220 43 27.6 32.9 | 223 54 36.7 39.5 36 111 15940 230 36 27.6 23.1 | 231 47 36.6 29.7 37 107 16154 230 38 29.1 24.4 | 231 49 38.1 31.0 38 102 16459 245 11 10.0 4.6 | 239 22 19.0 11.2 39 100 16550 260 15 14.8 2.6 | 249 25 23.8 9.2 40 96 16764 260 15 14.8 2.6 | 249 25 23.8 9.2 41 87 17374 255 14 13.5 3.6 | 246 25 22.5 10.2 42 82 17678 175 18 -1.6 17.9 | 197 26 7.5 24.5 43 74 18288 150 12 -6.0 10.4 | 190 17 3.0 16.9 44 70 18593 195 12 3.1 11.6 | 214 22 12.1 18.1 45 70 18620 180 20 0.0 20.0 | 199 28 9.0 26.6 46 63 19202 160 22 -7.5 20.7 | 183 27 1.5 27.2 47 60 19507 120 15 -13.0 7.5 | 164 15 -4.0 14.1 48 57 19812 130 10 -7.7 6.4 | 186 13 1.4 13.0 49 54 20117 100 16 -15.8 2.8 | 144 12 -6.7 9.3 50 52 20422 90 20 -20.0 0.0 | 121 13 -11.0 6.6 51 50 20600 110 18 -16.9 6.2 | 148 15 -7.9 12.7 52 49 20726 90 17 -17.0 0.0 | 129 10 -8.0 6.6 53 47 21031 115 19 -17.2 8.0 | 151 17 -8.2 14.6 54 44 21336 70 14 -13.2 -4.8 | 113 4 -4.1 1.8 55 42 21641 105 19 -18.4 4.9 | 141 15 -9.3 11.5 56 40 21946 85 23 -22.9 -2.0 | 108 15 -13.9 4.6 57 38 22250 70 10 -9.4 -3.4 | 173 3 -0.4 3.1 58 36 22555 285 2 1.9 -0.5 | 241 13 11.0 6.0 59 31 23470 115 11 -10.0 4.6 | 175 11 -0.9 11.2 60 30 23750 135 21 -14.8 14.8 | 165 22 -5.8 21.4 61 30 23774 100 13 -12.8 2.3 | 157 10 -3.8 8.8 62 28 24079 135 18 -12.7 12.7 | 169 20 -3.7 19.3 63 24 24689 80 23 -22.7 -4.0 | 101 14 -13.6 2.6 64 22 24994 100 24 -23.6 4.2 | 126 18 -14.6 10.7 65 21 25298 80 29 -28.6 -5.0 | 94 20 -19.5 1.5 66 19 25603 85 23 -22.9 -2.0 | 108 15 -13.9 4.6 67 15 26518 65 27 -24.5 -11.4 | 73 16 -15.4 -4.9 Wind Parameters Mean winds (0-6000m): 24.0 at 14.9 knts Storm direction: 54.0 at 11.2 knts Shear (0-3000m) pos: 1.4 neg: 3.5 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): 169.3 deg Storm rel helicity (0-3000m) pos: 41.2 neg: -67.9 tot: -26.7 m^2/s^2 ave: -8.9 10^-3 m/s^2 rel: -0.35 Storm rel vorticity (0-3000m) horiz: 9.7 stream: -3.4 10^-3/s Energy-Hel index: 0.11 Bulk Rich Number: 54.29 Bulk Shear: 10.90 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 59 15 72 4| 0.0 16.3 16.3| 0.0 -31.7 -31.7 -63.3 -0.87| 23.7-20.7 1000 46 18 35 7| 0.0 11.3 11.3| 19.0 -39.3 -20.3 -20.3 -0.50| 18.3 -9.1 1500 46 20 37 9| 1.1 7.5 8.7| 29.8 -48.3 -18.5 -12.3 -0.41| 14.5 -6.0 2000 44 20 32 10| 0.8 5.3 6.1| 29.8 -62.3 -32.5 -16.2 -0.47| 12.1 -5.7 2500 41 20 26 10| 1.0 4.2 5.2| 38.2 -67.9 -29.7 -11.9 -0.40| 10.9 -4.3 3000 41 20 26 9| 1.4 3.5 4.9| 41.2 -67.9 -26.7 -8.9 -0.35| 9.7 -3.4 4000 43 17 23 7| 2.2 2.6 4.8| 54.9 -67.9 -13.0 -3.2 -0.09| 9.8 -0.8 5000 36 15 0 6| 1.7 2.2 3.9| 60.4 -84.8 -24.5 -4.9 -0.09| 9.3 -0.8 6000 24 15 337 8| 0.9 1.8 2.8|111.8 -88.5 23.3 3.9 0.00| 8.7 0.0 Wrote GIF file: /home/apache/climate/data/raob//SBLO/skewt/SBLO.skewt.20251208.12.gif