UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122412.upa.cvt Date: 1200Z 24 DEC 25 Searching for SBUL... Searching the city database file for: SBUL ... Date:1200Z 24 DEC 25 Station: SBUL WMO ident: 83525 Latitude: -18.89 Longitude: -48.23 Elevation: 943.00 ------------------------------------------------------------------------------- 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 106 1 925 800 SFC 910 943 25.6 17.6 61 8.0 20.0 80 9 306.9 309.5 296.4 349.2 14.05 3 904 1001 23.4 16.4 65 7.0 18.6 73 10 305.2 307.7 295.4 344.4 13.09 4 850 1537 19.8 13.8 68 6.0 15.8 35 15 306.9 309.1 294.8 342.3 11.75 5 809 1961 16.2 12.4 78 3.8 13.7 42 14 307.4 309.5 294.7 341.4 11.26 6 729 2840 11.2 1.2 50 10.0 5.7 88 8 311.3 312.3 291.5 329.1 5.73 7 700 3178 8.2 3.2 71 5.0 5.4 80 7 311.6 312.9 292.5 333.0 6.90 8 697 3213 8.0 3.1 71 4.9 5.2 78 7 311.7 313.0 292.6 333.1 6.88 9 651 3774 5.4 -7.6 39 13.0 -0.6 39 11 314.9 315.6 290.5 325.6 3.31 10 636 3963 4.0 -5.0 52 9.0 -0.3 26 12 315.4 316.2 291.3 328.7 4.15 11 572 4816 -1.9 -16.9 31 15.0 -7.3 51 16 318.2 318.6 290.0 324.2 1.78 12 510 5724 -4.3 -42.3 3 38.0 -11.9 54 17 325.9 326.0 290.7 326.6 0.18 13 500 5880 -4.9 -40.9 4 36.0 -12.3 55 17 327.1 327.1 291.1 327.9 0.21 14 450 6700 -10.1 -26.1 26 16.0 -14.6 50 19 330.5 330.7 292.9 334.2 1.01 15 446 6769 -9.5 -31.5 15 22.0 -14.9 55 19 332.1 332.3 292.9 334.4 0.62 16 400 7600 -15.7 -39.7 11 24.0 -20.0 95 19 334.6 334.6 293.3 335.8 0.30 17 357 8447 -21.9 -47.9 8 26.0 -25.2 92 30 337.3 337.3 293.8 337.9 0.14 18 322 9201 -25.1 -52.1 6 27.0 -28.0 83 52 343.0 343.0 295.1 343.4 0.10 19 300 9710 -29.3 -48.3 14 19.0 -31.3 85 58 344.1 344.1 295.4 344.7 0.16 20 250 10980 -39.9 -55.9 17 16.0 -40.8 105 63 346.7 346.8 296.0 347.1 0.08 21 226 11660 -46.1 -59.1 22 13.0 -46.6 103 62 347.4 347.4 296.1 347.7 0.06 22 210 12143 -49.9 -61.9 23 12.0 -50.3 101 60 348.8 348.9 296.4 349.0 0.04 23 200 12460 -52.5 -66.5 17 14.0 -52.8 100 59 349.6 349.6 296.5 349.7 0.02 24 191 12756 -54.5 -70.5 12 16.0 -54.8 99 61 351.1 351.1 296.9 351.1 0.01 25 166 13640 -61.8 -70.6 30 8.8 -61.9 95 68 353.2 353.2 297.3 353.3 0.02 26 157 13983 -64.7 -70.7 43 6.0 -64.8 97 66 354.0 354.0 297.5 354.1 0.02 27 155 14061 -65.3 -72.3 37 7.0 -65.4 98 65 354.3 354.3 297.5 354.3 0.01 28 150 14260 -66.5 -76.5 23 10.0 -66.5 100 63 355.5 355.5 297.8 355.6 0.01 29 102 16536 -76.1 -91.1 8 15.0 -76.2 77 36 378.5 378.5 302.0 378.5 0.00 30 100 16650 -76.9 -90.9 9 14.0 -76.9 75 35 379.1 379.1 302.1 379.2 0.00 31 86 17507 -81.9 -89.9 24 8.0 -81.9 90 26 385.8 385.8 303.2 385.8 0.00 32 76 18198 -82.5 -89.5 29 7.0 -82.5 93 37 398.4 398.4 305.0 398.4 0.00 33 70 18660 -80.7 -90.7 17 10.0 -80.7 95 38 411.7 411.7 306.7 411.7 0.00 34 62 19353 -75.3 -91.3 6 16.0 -75.3 82 30 438.2 438.2 309.7 438.2 0.00 35 50 20600 -74.7 -92.7 5 18.0 -74.8 95 33 467.5 467.5 312.4 467.5 0.00 36 46 21088 -72.3 -92.3 3 20.0 -72.4 90 38 484.5 484.5 313.8 484.5 0.00 TRP 86 17507 -81.9 -89.9 24 8.0 -81.9 90 26 385.8 385.8 303.2 385.8 0.00 WND 166 13640 -61.8 -70.6 30 8.8 -61.9 95 68 353.2 353.2 297.3 353.3 0.02 Sounding variables and indices 1000-500 mb thick: 5774.00 m Freezing level: 592.61 mb = 4541.42 m = 14899.49 ft Wetbulb zero: 655.49 mb = 3717.18 m = 12195.32 ft Precipitable water: 1.08 inches Sfc-500 mean rel hum: 48.05 % Est. max temperature: 28.34 C = 83.01 F Sfc-Lift cond lev (LCL): 809.60 mb = 1954.47 m = 6412.23 ft T: 16.25 C 700-500 lapse rate: 4.85 C/km ThetaE index: 20.11 C Layer 904.0- 700.0 mb Conv cond level (CCL): 744.94 mb = 2657.48 m = 8718.66 ft Mean mixing ratio: 12.11 g/kg Conv temperature: 29.05 C = 84.29 F Cap Strength: 1.79 C Lifted Index: 0.71 C Risk: Showers probable Lifted Index @300 mb: 3.02 C Lifted Index @700 mb: -0.37 C Showalter Index: 0.94 C Risk: Thunderstorms probable Total Totals Index: 43.40 C Risk: None Vertical Totals Index: 24.70 C Cross Totals Index: 18.70 C K Index: 33.50 Risk: 60-80 % chance of thunderstorms Sweat Index: 212.60 Risk: None Energy Index: -2.72 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 97.19 J/kg Max Up Vert Vel: 13.94 m/s Conv Inhibition (B-): 55.08 J/kg Cap Strength: 1.79 C Lift Cond Lev (LCL): 787.29 mb = 2190.60 m = 7186.91 ft Lev Free Conv (LFC): 702.29 mb = 3150.86 m = 10337.35 ft Equ Level (EL): 512.29 mb = 5688.73 m = 18663.59 ft B at Equ Level: 95.57 J/kg Max Parcel Lev (MPL): 332.29 mb = 8970.78 m = 29431.34 ft Wind level data Storm motion: 81 at 10 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 ---------------------------------------------------------- 0 910 943 80 9 -8.9 -1.6 | 268 1 1.4 0.1 1 882 1219 45 12 -8.5 -8.5 | 346 7 1.7 -6.9 2 850 1537 35 15 -8.6 -12.3 | 351 11 1.6 -10.7 3 792 2134 45 13 -9.2 -9.2 | 352 8 1.0 -7.6 4 764 2438 65 10 -9.1 -4.2 | 336 3 1.2 -2.6 5 711 3048 100 7 -6.9 1.2 | 230 4 3.3 2.8 6 700 3178 80 7 -6.9 -1.2 | 263 3 3.3 0.4 7 635 3962 25 12 -5.1 -10.9 | 331 11 5.2 -9.3 8 611 4267 25 15 -6.3 -13.6 | 342 13 3.9 -12.0 9 588 4572 50 16 -12.3 -10.3 | 13 9 -2.0 -8.7 10 500 5880 55 17 -13.9 -9.8 | 24 9 -3.7 -8.1 11 486 6096 60 18 -15.6 -9.0 | 36 9 -5.4 -7.4 12 449 6706 50 19 -14.6 -12.2 | 22 11 -4.3 -10.6 13 432 7010 80 17 -16.7 -3.0 | 78 7 -6.5 -1.3 14 400 7600 95 19 -18.9 1.7 | 111 9 -8.7 3.3 15 383 7925 100 20 -19.7 3.5 | 118 11 -9.5 5.1 16 367 8230 95 24 -23.9 2.1 | 105 14 -13.7 3.7 17 311 9449 80 59 -58.1 -10.2 | 80 49 -47.9 -8.6 18 300 9710 85 58 -57.8 -5.1 | 86 48 -47.5 -3.4 19 250 10973 95 61 -60.8 5.3 | 98 51 -50.5 6.9 20 250 10980 105 63 -60.9 16.3 | 110 54 -50.6 17.9 21 239 11278 105 63 -60.9 16.3 | 110 54 -50.6 17.9 22 200 12460 100 59 -58.1 10.2 | 104 49 -47.9 11.9 23 166 13640 95 68 -67.7 5.9 | 97 58 -57.5 7.5 24 164 13716 95 68 -67.7 5.9 | 97 58 -57.5 7.5 25 150 14260 100 63 -62.0 10.9 | 104 53 -51.8 12.6 26 134 14935 105 65 -62.8 16.8 | 109 56 -52.6 18.4 27 115 15850 70 49 -46.0 -16.8 | 67 39 -35.8 -15.1 28 109 16154 85 38 -37.9 -3.3 | 86 28 -27.6 -1.7 29 100 16650 75 35 -33.8 -9.1 | 72 25 -23.6 -7.4 30 98 16764 75 35 -33.8 -9.1 | 72 25 -23.6 -7.4 31 88 17374 80 24 -23.6 -4.2 | 79 14 -13.4 -2.5 32 86 17507 90 26 -26.0 0.0 | 96 16 -15.8 1.6 33 83 17678 90 27 -27.0 0.0 | 96 17 -16.8 1.6 34 71 18593 95 44 -43.8 3.8 | 99 34 -33.6 5.5 35 70 18660 95 38 -37.9 3.3 | 100 28 -27.6 4.9 36 64 19202 85 29 -28.9 -2.5 | 87 19 -18.7 -0.9 37 57 19812 75 33 -31.9 -8.5 | 72 23 -21.6 -6.9 38 52 20422 85 43 -42.8 -3.7 | 86 33 -32.6 -2.1 39 50 20600 95 33 -32.9 2.9 | 101 23 -22.6 4.5 40 49 20726 90 32 -32.0 0.0 | 94 22 -21.8 1.6 41 43 21336 90 46 -46.0 0.0 | 93 36 -35.8 1.6 Wind Parameters Mean winds (0-6000m): 51.0 at 13.8 knts Storm direction: 81.0 at 10.4 knts Shear (0-3000m) pos: 2.0 neg: 3.6 tot: 5.6 10-3/s Storm rel Dir Shear (0-3000m): 63.6 deg Storm rel helicity (0-3000m) pos: 9.7 neg: -3.8 tot: 5.9 m^2/s^2 ave: 2.0 10^-3 m/s^2 rel: 0.14 Storm rel vorticity (0-3000m) horiz: 6.5 stream: 0.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 154.41 Bulk Shear: 0.63 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 50 12 348 6| 0.0 9.8 9.8| 2.7 -0.1 2.6 5.2 0.35| 10.2 3.6 1000 43 13 350 8| 0.5 4.9 5.5| 3.4 -0.1 3.4 3.4 0.29| 6.8 1.9 1500 45 13 351 7| 2.4 3.3 5.7| 3.4 -1.3 2.1 1.4 0.14| 6.6 0.9 2000 51 12 349 6| 3.0 2.5 5.5| 3.4 -3.2 0.3 0.1 -0.04| 6.3 -0.3 2500 55 11 344 5| 2.4 2.9 5.3| 7.8 -3.3 4.5 1.8 0.13| 6.3 0.8 3000 52 11 341 5| 2.0 3.6 5.6| 9.7 -3.8 5.9 2.0 0.14| 6.5 0.9 4000 47 12 347 7| 1.8 2.7 4.4| 33.5 -3.8 29.7 7.4 0.28| 6.2 1.7 5000 49 13 356 7| 1.5 2.1 3.7| 37.8 -3.8 33.9 6.8 0.31| 5.1 1.6 6000 51 14 4 7| 1.8 1.9 3.7| 54.8 -9.3 45.6 7.6 0.34| 5.2 1.8 Wrote GIF file: /home/apache/climate/data/raob//SBUL/skewt/SBUL.skewt.20251224.12.gif