UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122000.upa.cvt Date: 0000Z 20 DEC 25 Searching for SBCT... Searching the city database file for: SBCT ... Date:0000Z 20 DEC 25 Station: SBCT WMO ident: 83840 Latitude: -25.52 Longitude: -49.17 Elevation: 908.00 ------------------------------------------------------------------------------- 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 122 1 925 801 SFC 913 908 18.6 16.2 86 2.4 17.0 100 9 299.4 301.8 293.5 336.8 12.79 3 875 1275 15.2 14.5 96 0.7 14.7 86 21 299.6 301.8 292.9 334.5 11.95 4 850 1523 14.2 11.0 81 3.2 12.2 90 19 301.0 302.8 291.6 329.8 9.74 5 847 1553 14.0 10.3 78 3.7 11.7 92 19 301.1 302.8 291.3 328.7 9.33 6 840 1623 14.4 7.4 63 7.0 10.3 98 18 302.3 303.7 290.3 325.2 7.71 7 834 1683 17.4 -1.6 27 19.0 7.6 103 18 306.0 306.8 288.3 318.6 4.08 8 819 1838 18.4 -19.6 6 38.0 4.2 116 16 308.7 308.9 286.0 312.0 0.99 9 802 2017 18.2 -22.8 5 41.0 3.7 130 15 310.3 310.5 286.4 312.9 0.76 10 700 3165 11.4 -19.6 10 31.0 0.0 135 15 315.1 315.3 288.4 319.0 1.15 11 606 4351 3.4 -27.6 8 31.0 -5.7 168 11 319.1 319.3 289.2 321.5 0.65 12 577 4747 1.2 -22.8 15 24.0 -6.6 173 13 321.1 321.3 290.2 324.8 1.06 13 500 5880 -8.1 -28.1 18 20.0 -13.3 210 26 323.2 323.3 290.5 325.9 0.76 14 456 6586 -14.1 -31.1 22 17.0 -17.9 231 32 324.3 324.4 290.7 326.5 0.63 15 447 6737 -13.3 -52.3 2 39.0 -18.4 234 33 327.1 327.2 291.0 327.4 0.07 16 400 7570 -20.1 -45.1 9 25.0 -23.4 235 29 328.9 328.9 291.6 329.5 0.17 17 390 7757 -21.7 -46.7 9 25.0 -24.8 233 29 329.2 329.2 291.6 329.7 0.15 18 362 8304 -23.5 -61.5 2 38.0 -26.6 225 42 333.8 333.8 292.8 334.0 0.03 19 300 9660 -30.3 -65.3 2 35.0 -32.4 225 62 342.7 342.7 295.0 342.8 0.02 20 297 9731 -30.5 -65.5 2 35.0 -32.6 225 63 343.4 343.4 295.1 343.5 0.02 21 262 10608 -36.9 -68.3 2 31.4 -38.3 225 74 346.5 346.5 295.8 346.6 0.01 22 250 10930 -39.3 -69.3 3 30.0 -40.5 225 67 347.6 347.6 296.1 347.7 0.01 23 220 11792 -46.5 -70.5 5 24.0 -47.1 236 63 349.5 349.5 296.5 349.5 0.01 24 200 12420 -49.5 -75.5 3 26.0 -50.0 245 60 354.4 354.4 297.5 354.4 0.01 25 166 13619 -58.9 -77.9 7 19.0 -59.1 218 59 358.1 358.1 298.3 358.1 0.01 26 150 14250 -63.1 -79.1 10 16.0 -63.2 220 49 361.4 361.4 299.0 361.4 0.01 27 106 16323 -74.9 -89.9 8 15.0 -74.9 215 26 376.7 376.7 301.7 376.7 0.00 28 100 16660 -76.1 -90.1 9 14.0 -76.2 215 25 380.7 380.7 302.3 380.7 0.00 29 96 16895 -77.1 -91.1 9 14.0 -77.1 210 31 383.2 383.2 302.8 383.2 0.00 30 70 18700 -79.5 -90.5 15 11.0 -79.6 165 21 414.3 414.3 307.0 414.3 0.00 31 66 19035 -79.9 -89.9 17 10.0 -79.9 162 23 420.5 420.5 307.7 420.5 0.00 32 54 20192 -74.1 -91.1 6 17.0 -74.2 112 10 458.7 458.7 311.7 458.7 0.00 33 52 20415 -69.7 -89.7 4 20.0 -69.9 110 10 473.9 473.9 313.0 473.9 0.00 34 50 20650 -69.1 -90.1 3 21.0 -69.3 50 8 480.7 480.7 313.5 480.7 0.00 35 43 21566 -62.7 -87.7 2 25.0 -63.2 117 14 517.6 517.6 316.1 517.6 0.00 36 42 21711 -63.5 -88.5 2 25.0 -64.0 131 14 519.1 519.1 316.2 519.1 0.00 37 30 23810 -57.1 -85.1 2 28.0 -58.3 100 11 589.0 589.0 320.1 589.0 0.01 38 26 24722 -53.9 -83.9 1 30.0 -55.9 139 15 622.7 622.7 321.6 622.8 0.01 TRP 96 16895 -77.1 -91.1 9 14.0 -77.1 210 31 383.2 383.2 302.8 383.2 0.00 WND 262 10608 -36.9 -68.3 2 31.4 -38.3 225 74 346.5 346.5 295.8 346.6 0.01 Sounding variables and indices 1000-500 mb thick: 5758.00 m Freezing level: 567.06 mb = 4893.53 m = 16054.68 ft Wetbulb zero: 699.68 mb = 3168.81 m = 10396.22 ft Precipitable water: 0.49 inches Sfc-500 mean rel hum: 21.94 % Est. max temperature: 30.92 C = 87.66 F Sfc-Lift cond lev (LCL): 881.24 mb = 1213.55 m = 3981.40 ft T: 15.77 C 700-500 lapse rate: 7.18 C/km ThetaE index: 24.82 C Layer 875.0- 802.0 mb Conv cond level (CCL): 627.30 mb = 4067.16 m = 13343.55 ft Mean mixing ratio: 8.96 g/kg Conv temperature: 36.87 C = 98.37 F Cap Strength: 8.49 C Lifted Index: 3.77 C Risk: None Lifted Index @300 mb: 10.87 C Lifted Index @700 mb: 7.57 C Showalter Index: 3.25 C Risk: None Total Totals Index: 41.40 C Risk: None Vertical Totals Index: 22.30 C Cross Totals Index: 19.10 C K Index: 2.30 Risk: None Sweat Index: 196.00 Risk: None Energy Index: -0.58 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 45.89 J/kg Max Up Vert Vel: 9.58 m/s Conv Inhibition (B-): 24012.15 J/kg Cap Strength: 8.49 C Lift Cond Lev (LCL): 784.09 mb = 2207.82 m = 7243.42 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 200 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 ---------------------------------------------------------- 0 913 908 100 9 -8.9 1.6 | 50 17 -13.5 -11.1 1 912 914 95 7 -7.0 0.6 | 44 17 -11.6 -12.1 2 881 1219 85 22 -21.9 -1.9 | 61 30 -26.5 -14.6 3 850 1523 90 19 -19.0 0.0 | 62 27 -23.6 -12.7 4 850 1524 90 19 -19.0 0.0 | 62 27 -23.6 -12.7 5 791 2134 140 14 -9.0 10.7 | 82 14 -13.6 -2.0 6 763 2438 125 15 -12.3 8.6 | 76 17 -16.9 -4.1 7 700 3165 135 15 -10.6 10.6 | 82 15 -15.2 -2.1 8 684 3353 135 15 -10.6 10.6 | 82 15 -15.2 -2.1 9 659 3658 110 11 -10.3 3.8 | 59 17 -15.0 -8.9 10 634 3962 140 8 -5.1 6.1 | 56 12 -9.8 -6.6 11 611 4267 165 11 -2.8 10.6 | 75 8 -7.5 -2.1 12 588 4572 180 12 0.0 12.0 | 81 5 -4.6 -0.7 13 566 4877 165 15 -3.9 14.5 | 102 9 -8.5 1.8 14 500 5880 210 26 13.0 22.5 | 220 13 8.4 9.8 15 486 6096 215 27 15.5 22.1 | 229 14 10.9 9.4 16 448 6706 235 33 27.0 18.9 | 254 23 22.4 6.2 17 431 7010 225 27 19.1 19.1 | 246 16 14.5 6.4 18 400 7570 235 29 23.8 16.6 | 258 20 19.1 3.9 19 397 7620 235 26 21.3 14.9 | 262 17 16.7 2.2 20 365 8230 225 40 28.3 28.3 | 237 28 23.7 15.6 21 322 9144 230 64 49.0 41.1 | 237 53 44.4 28.4 22 300 9660 225 62 43.8 43.8 | 232 50 39.2 31.1 23 262 10608 225 74 52.3 52.3 | 230 62 47.7 39.6 24 260 10668 225 74 52.3 52.3 | 230 62 47.7 39.6 25 250 10930 225 67 47.4 47.4 | 231 55 42.7 34.7 26 200 12420 245 60 54.4 25.4 | 256 51 49.7 12.7 27 198 12497 245 62 56.2 26.2 | 255 53 51.6 13.5 28 163 13716 215 59 33.8 48.3 | 219 46 29.2 35.6 29 150 14250 220 49 31.5 37.5 | 227 37 26.9 24.8 30 115 15850 215 28 16.1 22.9 | 228 15 11.4 10.2 31 100 16660 215 25 14.3 20.5 | 231 12 9.7 7.8 32 98 16764 200 28 9.6 26.3 | 200 14 4.9 13.6 33 96 16895 210 31 15.5 26.8 | 218 18 10.9 14.2 34 93 17069 215 25 14.3 20.5 | 231 12 9.7 7.8 35 84 17678 180 28 0.0 28.0 | 163 16 -4.6 15.3 36 75 18288 185 14 1.2 13.9 | 110 4 -3.4 1.3 37 70 18700 165 21 -5.4 20.3 | 127 13 -10.1 7.6 38 64 19202 160 24 -8.2 22.6 | 128 16 -12.8 9.9 39 61 19507 95 3 -3.0 0.3 | 32 15 -7.6 -12.4 40 58 19812 115 10 -9.1 4.2 | 58 16 -13.7 -8.5 41 52 20422 110 10 -9.4 3.4 | 57 17 -14.0 -9.3 42 50 20650 50 8 -6.1 -5.1 | 31 21 -10.8 -17.8 43 49 20726 75 15 -14.5 -3.9 | 49 25 -19.1 -16.6 44 47 21031 55 10 -8.2 -5.7 | 35 22 -12.8 -18.4 45 45 21336 60 10 -8.7 -5.0 | 37 22 -13.3 -17.7 46 43 21641 130 15 -11.5 9.6 | 79 16 -16.1 -3.1 47 41 21946 135 11 -7.8 7.8 | 68 13 -12.4 -4.9 48 39 22250 110 21 -19.7 7.2 | 77 25 -24.4 -5.5 49 35 22860 100 17 -16.7 3.0 | 65 23 -21.4 -9.7 50 33 23165 120 20 -17.3 10.0 | 83 22 -22.0 -2.7 51 32 23470 100 23 -22.7 4.0 | 72 29 -27.3 -8.7 52 30 23774 120 21 -18.2 10.5 | 85 23 -22.8 -2.2 53 30 23810 100 11 -10.8 1.9 | 55 19 -15.5 -10.8 54 28 24079 85 21 -20.9 -1.8 | 60 29 -25.6 -14.5 55 26 24384 140 15 -9.6 11.5 | 85 14 -14.3 -1.2 56 24 24689 85 19 -18.9 -1.7 | 59 28 -23.6 -14.4 57 22 24994 95 16 -15.9 1.4 | 61 23 -20.6 -11.3 Wind Parameters Mean winds (0-6000m): 170.0 at 18.0 knts Storm direction: 200.0 at 13.5 knts Shear (0-3000m) pos: 2.7 neg: 1.9 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): 7.5 deg Storm rel helicity (0-3000m) pos: 77.6 neg: -34.4 tot: 43.3 m^2/s^2 ave: 14.4 10^-3 m/s^2 rel: 0.11 Storm rel vorticity (0-3000m) horiz: 8.1 stream: 0.9 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.65 Bulk Shear: 70.87 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 17 58 25| 0.0 11.8 11.8| 28.5 0.0 28.5 56.9 0.31| 15.1 4.7 1000 94 17 62 25| 5.7 5.9 11.6| 64.8 0.0 64.8 64.8 0.40| 13.4 5.4 1500 104 16 67 22| 4.3 3.9 8.2| 71.2 -4.9 66.3 44.2 0.32| 11.5 3.7 2000 110 16 70 21| 3.6 3.0 6.5| 75.3 -5.0 70.3 35.1 0.33| 9.1 3.0 2500 115 16 72 20| 2.8 2.3 5.2| 77.6 -10.3 67.4 26.9 0.29| 7.7 2.3 3000 116 15 71 19| 2.7 1.9 4.6| 77.6 -34.4 43.3 14.4 0.11| 8.1 0.9 4000 126 14 75 17| 2.8 1.7 4.5| 90.5 -34.4 56.1 14.0 0.19| 7.7 1.5 5000 144 16 89 14| 4.2 1.3 5.5|132.7 -34.4 98.4 19.7 0.37| 8.2 3.0 6000 170 18 123 9| 4.0 1.1 5.1|179.6 -45.3 134.4 22.4 0.38| 8.5 3.2 Wrote GIF file: /home/apache/climate/data/raob//SBCT/skewt/SBCT.skewt.20251220.00.gif