UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122712.upa.cvt Date: 1200Z 27 DEC 25 Searching for SBUL... Searching the city database file for: SBUL ... Date:1200Z 27 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 108 1 925 806 SFC 911 943 26.0 20.0 70 6.0 21.6 140 8 307.2 310.3 298.0 356.6 16.37 3 853 1516 22.8 14.8 61 8.0 17.3 208 7 309.7 312.1 296.1 347.8 12.51 4 850 1547 22.6 14.6 61 8.0 17.1 210 7 309.8 312.2 296.1 347.6 12.39 5 722 2942 11.2 10.0 92 1.2 10.4 29 5 312.1 314.2 295.6 345.2 10.75 6 700 3201 9.6 6.9 83 2.7 7.9 45 8 313.1 314.8 294.6 340.9 8.96 7 675 3502 8.0 3.0 71 5.0 5.1 33 11 314.6 316.0 293.5 336.7 7.05 8 619 4212 3.4 0.2 80 3.2 1.7 74 10 317.2 318.4 293.6 337.2 6.29 9 583 4697 1.4 -9.6 44 11.0 -3.5 54 8 320.4 321.0 291.9 330.8 3.17 10 549 5179 -0.7 -13.7 37 13.0 -6.0 24 5 323.4 323.9 292.2 331.6 2.42 11 500 5920 -6.1 -29.1 14 23.0 -12.2 45 5 325.6 325.7 291.2 328.1 0.69 12 499 5936 -6.1 -30.1 13 24.0 -12.3 47 5 325.8 325.9 291.2 328.1 0.63 13 490 6078 -7.5 -13.5 62 6.0 -9.9 63 9 325.8 326.3 293.1 335.1 2.75 14 477 6286 -9.5 -9.9 97 0.4 -9.7 71 11 325.8 326.6 293.9 338.5 3.78 15 460 6565 -11.5 -11.8 98 0.3 -11.6 67 14 326.7 327.4 293.9 338.1 3.37 16 456 6632 -10.3 -20.3 44 10.0 -13.6 64 15 329.0 329.4 293.0 334.9 1.67 17 452 6700 -10.7 -17.7 56 7.0 -13.2 61 16 329.4 329.8 293.5 336.7 2.11 18 418 7297 -13.9 -41.9 7 28.0 -18.8 70 22 332.7 332.8 292.7 333.6 0.23 19 403 7574 -15.9 -27.9 35 12.0 -18.9 70 21 333.6 333.8 293.6 337.1 0.96 20 400 7630 -16.3 -29.3 32 13.0 -19.4 70 21 333.8 334.0 293.6 336.9 0.85 21 396 7706 -16.7 -30.7 29 14.0 -19.9 71 20 334.2 334.4 293.6 337.0 0.75 22 351 8599 -23.3 -36.3 29 13.0 -25.5 73 30 337.1 337.2 294.0 338.9 0.49 23 335 8939 -26.1 -29.6 72 3.5 -26.8 81 35 337.8 338.0 294.7 341.4 0.98 24 329 9069 -26.3 -37.3 35 11.0 -28.0 89 34 339.2 339.3 294.6 341.1 0.47 25 313 9428 -28.7 -49.7 11 21.0 -30.8 86 36 340.8 340.8 294.6 341.3 0.13 26 300 9730 -31.1 -50.1 14 19.0 -32.9 75 39 341.5 341.6 294.8 342.1 0.13 27 299 9754 -31.3 -49.3 15 18.0 -33.0 75 39 341.6 341.6 294.8 342.2 0.14 28 289 9994 -33.3 -38.3 61 5.0 -34.0 75 39 342.1 342.2 295.3 344.0 0.48 29 286 10068 -33.3 -46.3 26 13.0 -34.6 75 39 343.1 343.1 295.3 343.9 0.21 30 280 10217 -34.3 -51.3 16 17.0 -35.7 77 41 343.7 343.8 295.3 344.2 0.12 31 278 10267 -34.7 -51.7 16 17.0 -36.1 77 41 343.9 343.9 295.4 344.4 0.12 32 250 11000 -41.3 -52.3 29 11.0 -42.0 85 50 344.7 344.7 295.6 345.2 0.12 33 209 12186 -51.1 -55.6 59 4.5 -51.2 89 53 347.4 347.5 296.1 347.9 0.10 34 203 12374 -52.5 -63.5 25 11.0 -52.8 90 54 348.1 348.2 296.3 348.3 0.04 35 200 12470 -53.5 -61.5 37 8.0 -53.7 90 54 348.0 348.1 296.3 348.3 0.05 36 195 12632 -54.9 -61.9 42 7.0 -55.1 90 54 348.3 348.4 296.3 348.5 0.05 37 193 12698 -55.3 -60.3 54 5.0 -55.4 90 54 348.7 348.7 296.4 349.0 0.06 38 190 12798 -55.9 -67.9 21 12.0 -56.1 90 54 349.3 349.3 296.5 349.4 0.02 39 186 12933 -56.9 -64.9 36 8.0 -57.1 89 53 349.8 349.9 296.6 350.0 0.03 40 170 13497 -60.3 -72.3 19 12.0 -60.4 83 49 353.3 353.3 297.4 353.4 0.01 41 167 13608 -60.3 -77.3 9 17.0 -60.4 82 48 355.1 355.1 297.7 355.1 0.01 42 150 14270 -64.9 -78.9 13 14.0 -65.0 75 43 358.3 358.3 298.4 358.3 0.01 43 137 14817 -69.1 -80.1 19 11.0 -69.2 77 39 360.3 360.3 298.8 360.3 0.00 44 101 16594 -79.3 -87.3 26 8.0 -79.3 86 25 373.4 373.4 301.2 373.5 0.00 45 100 16650 -79.3 -87.3 26 8.0 -79.3 90 24 374.5 374.5 301.4 374.5 0.00 46 78 18051 -83.1 -91.1 24 8.0 -83.1 65 42 394.2 394.2 304.4 394.2 0.00 47 70 18660 -80.1 -90.1 17 10.0 -80.1 85 25 413.0 413.0 306.9 413.0 0.00 48 69 18741 -79.7 -89.7 18 10.0 -79.7 85 25 415.6 415.6 307.2 415.6 0.00 49 62 19359 -72.9 -88.9 7 16.0 -73.0 113 23 443.6 443.6 310.3 443.6 0.00 50 55 20056 -76.3 -90.3 9 14.0 -76.3 85 32 451.2 451.2 311.0 451.2 0.00 51 50 20610 -73.1 -91.1 5 18.0 -73.2 75 34 471.2 471.2 312.7 471.2 0.00 52 47 20974 -71.3 -91.3 4 20.0 -71.4 77 37 484.0 484.0 313.8 484.0 0.00 53 42 21663 -56.7 -88.7 1 32.0 -57.7 95 33 535.9 535.9 317.3 535.9 0.00 54 34 22993 -59.3 -88.3 1 29.0 -60.2 65 21 562.5 562.5 318.8 562.5 0.00 55 30 23780 -57.7 -87.7 1 30.0 -58.9 100 25 587.3 587.3 320.0 587.4 0.01 56 28 24217 -55.7 -87.7 1 32.0 -57.3 106 24 604.6 604.6 320.8 604.6 0.01 57 24 25192 -58.7 -88.7 1 30.0 -60.0 120 22 623.1 623.1 321.6 623.2 0.01 58 22 25742 -56.1 -87.1 1 31.0 -57.9 123 27 646.6 646.6 322.6 646.6 0.01 TRP 78 18051 -83.1 -91.1 24 8.0 -83.1 65 42 394.2 394.2 304.4 394.2 0.00 WND Sounding variables and indices 1000-500 mb thick: 5812.00 m Freezing level: 560.33 mb = 5018.56 m = 16464.90 ft Wetbulb zero: 607.41 mb = 4364.83 m = 14320.14 ft Precipitable water: 1.48 inches Sfc-500 mean rel hum: 62.47 % Est. max temperature: 30.08 C = 86.15 F Sfc-Lift cond lev (LCL): 834.80 mb = 1701.30 m = 5581.63 ft T: 21.34 C 700-500 lapse rate: 5.77 C/km ThetaE index: 19.86 C Layer 853.0- 619.0 mb Conv cond level (CCL): 750.88 mb = 2607.18 m = 8553.65 ft Mean mixing ratio: 13.45 g/kg Conv temperature: 30.26 C = 86.47 F Cap Strength: 1.81 C Lifted Index: -3.19 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.76 C Lifted Index @700 mb: -1.03 C Showalter Index: -2.25 C Risk: Severe thunderstorms possible Total Totals Index: 49.40 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.70 C Cross Totals Index: 20.70 C K Index: 40.60 Risk: > 80 % chance of thunderstorms Sweat Index: 202.20 Risk: None Energy Index: -3.70 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 943.15 J/kg Max Up Vert Vel: 43.43 m/s Conv Inhibition (B-): 46.12 J/kg Cap Strength: 1.81 C Lift Cond Lev (LCL): 776.59 mb = 2319.26 m = 7609.03 ft Lev Free Conv (LFC): 731.59 mb = 2829.63 m = 9283.46 ft Equ Level (EL): 181.59 mb = 13083.33 m = 42923.78 ft B at Equ Level: 933.14 J/kg Max Parcel Lev (MPL): 101.59 mb = 16559.50 m = 54328.39 ft Wind level data Storm motion: 95 at 6 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 ---------------------------------------------------------- 0 911 943 140 8 -5.1 6.1 | 187 6 0.7 5.6 1 883 1219 190 10 1.7 9.8 | 219 12 7.6 9.3 2 850 1547 210 7 3.5 6.1 | 239 11 9.3 5.5 3 793 2134 265 4 4.0 0.3 | 271 10 9.8 -0.2 4 766 2438 0 0 -0.0 -0.0 | 275 6 5.8 -0.6 5 700 3201 45 8 -5.7 -5.7 | 359 6 0.2 -6.2 6 687 3353 35 10 -5.7 -8.2 | 359 9 0.1 -8.7 7 662 3658 30 12 -6.0 -10.4 | 1 11 -0.2 -10.9 8 613 4267 80 10 -9.8 -1.7 | 60 5 -4.0 -2.3 9 508 5791 345 2 0.5 -1.9 | 291 7 6.3 -2.5 10 500 5920 45 5 -3.5 -3.5 | 331 5 2.3 -4.1 11 489 6096 65 9 -8.2 -3.8 | 28 5 -2.3 -4.4 12 470 6401 75 12 -11.6 -3.1 | 58 7 -5.8 -3.7 13 451 6706 60 16 -13.9 -8.0 | 43 12 -8.0 -8.6 14 434 7010 70 22 -20.7 -7.5 | 61 17 -14.9 -8.1 15 400 7630 70 21 -19.7 -7.2 | 61 16 -13.9 -7.7 16 384 7925 75 16 -15.5 -4.1 | 64 11 -9.6 -4.7 17 368 8230 70 23 -21.6 -7.9 | 62 18 -15.8 -8.4 18 339 8839 75 35 -33.8 -9.1 | 71 30 -28.0 -9.6 19 325 9144 95 34 -33.9 3.0 | 95 28 -28.1 2.4 20 300 9730 75 39 -37.7 -10.1 | 72 34 -31.9 -10.6 21 286 10058 75 39 -37.7 -10.1 | 72 34 -31.9 -10.6 22 250 11000 85 50 -49.8 -4.4 | 84 44 -44.0 -4.9 23 200 12470 90 54 -54.0 0.0 | 89 48 -48.2 -0.6 24 190 12802 90 54 -54.0 0.0 | 89 48 -48.2 -0.6 25 150 14270 75 43 -41.5 -11.1 | 72 38 -35.7 -11.7 26 141 14630 75 41 -39.6 -10.6 | 72 36 -33.8 -11.2 27 121 15545 85 30 -29.9 -2.6 | 83 24 -24.1 -3.2 28 109 16154 60 29 -25.1 -14.5 | 52 24 -19.3 -15.1 29 100 16650 90 24 -24.0 0.0 | 88 18 -18.2 -0.6 30 98 16764 65 25 -22.7 -10.6 | 57 20 -16.8 -11.1 31 93 17069 95 27 -26.9 2.4 | 95 21 -21.1 1.8 32 83 17678 85 54 -53.8 -4.7 | 84 48 -48.0 -5.3 33 78 18051 65 42 -38.1 -17.7 | 60 37 -32.2 -18.3 34 75 18288 65 42 -38.1 -17.7 | 60 37 -32.2 -18.3 35 71 18593 90 21 -21.0 0.0 | 88 15 -15.2 -0.6 36 70 18660 85 25 -24.9 -2.2 | 82 19 -19.1 -2.7 37 67 18898 85 25 -24.9 -2.2 | 82 19 -19.1 -2.7 38 64 19202 120 21 -18.2 10.5 | 129 16 -12.4 9.9 39 52 20422 70 37 -34.8 -12.7 | 65 32 -28.9 -13.2 40 50 20610 75 34 -32.8 -8.8 | 71 29 -27.0 -9.4 41 49 20726 90 43 -43.0 0.0 | 89 37 -37.2 -0.6 42 47 21031 75 36 -34.8 -9.3 | 71 31 -29.0 -9.9 43 42 21641 95 33 -32.9 2.9 | 95 27 -27.1 2.3 44 37 22555 95 28 -27.9 2.4 | 95 22 -22.1 1.9 45 35 22860 60 23 -19.9 -11.5 | 49 19 -14.1 -12.1 46 33 23165 70 19 -17.9 -6.5 | 60 14 -12.0 -7.0 47 30 23780 100 25 -24.6 4.3 | 101 19 -18.8 3.8 48 24 24689 120 22 -19.1 11.0 | 128 17 -13.2 10.4 49 21 25298 125 30 -24.6 17.2 | 132 25 -18.8 16.7 50 19 25603 105 31 -29.9 8.0 | 107 25 -24.1 7.5 51 16 26213 100 38 -37.4 6.6 | 101 32 -31.6 6.0 Wind Parameters Mean winds (0-6000m): 65.4 at 7.8 knts Storm direction: 95.4 at 5.8 knts Shear (0-3000m) pos: 2.3 neg: 0.0 tot: 2.3 10-3/s Storm rel Dir Shear (0-3000m): -163.7 deg Storm rel helicity (0-3000m) pos: 68.7 neg: -1.5 tot: 67.2 m^2/s^2 ave: 22.4 10^-3 m/s^2 rel: 0.69 Storm rel vorticity (0-3000m) horiz: 7.1 stream: 4.9 10^-3/s Energy-Hel index: 0.32 Bulk Rich Number: 35.25 Bulk Shear: 26.76 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 ------------------------------------------------------------------------------- 500 181 9 215 10| 8.7 0.0 8.7| 20.4 0.0 20.4 40.7 0.71| 11.2 8.0 1000 197 8 230 11| 5.4 0.0 5.4| 36.2 0.0 36.2 36.2 0.81| 8.5 6.9 1500 206 6 240 10| 2.8 0.0 2.8| 45.1 -1.5 43.6 29.1 0.68| 8.0 5.5 2000 205 5 242 9| 2.8 0.0 2.8| 53.7 -1.5 52.2 26.1 0.74| 7.4 5.5 2500 171 6 223 7| 3.1 0.0 3.1| 59.5 -1.5 58.0 23.2 0.71| 7.2 5.1 3000 62 7 2 4| 2.3 0.0 2.3| 68.7 -1.5 67.2 22.4 0.69| 7.1 4.9 4000 63 7 11 4| 1.3 0.6 1.9| 74.6 -10.2 64.4 16.1 0.49| 6.8 3.3 5000 65 7 4 3| 1.2 0.8 2.0| 81.2 -20.0 61.2 12.2 0.39| 6.5 2.5 6000 65 8 18 4| 1.5 0.4 1.9|101.2 -23.8 77.4 12.9 0.40| 7.0 2.8 Wrote GIF file: /home/apache/climate/data/raob//SBUL/skewt/SBUL.skewt.20251227.12.gif