UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122212.upa.cvt Date: 1200Z 22 DEC 25 Searching for SBUL... Searching the city database file for: SBUL ... Date:1200Z 22 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 105 1 925 792 SFC 909 943 23.2 17.2 69 6.0 19.1 80 14 304.5 307.1 295.6 345.4 13.71 3 850 1523 16.6 14.8 89 1.8 15.4 40 25 303.5 305.9 294.5 340.8 12.55 4 849 1533 16.6 14.8 89 1.8 15.4 40 27 303.6 306.0 294.6 341.0 12.57 5 789 2157 15.8 7.8 59 8.0 10.9 66 22 309.2 310.8 293.1 335.0 8.45 6 702 3141 10.4 -2.6 40 13.0 3.7 113 15 313.7 314.6 291.2 328.0 4.50 7 700 3165 10.2 -1.8 43 12.0 3.9 115 15 313.8 314.7 291.4 328.9 4.79 8 648 3801 4.8 -3.2 56 8.0 0.8 140 15 314.7 315.6 291.6 329.5 4.66 9 587 4599 -0.7 -9.7 51 9.0 -4.6 111 15 317.3 317.9 291.0 327.5 3.12 10 578 4722 0.6 -25.4 12 26.0 -7.2 116 15 320.2 320.4 289.7 323.2 0.84 11 501 5864 -2.3 -47.3 2 45.0 -10.9 140 27 330.0 330.1 291.9 330.5 0.11 12 500 5880 -2.3 -47.3 2 45.0 -10.9 145 26 330.2 330.3 291.9 330.7 0.11 13 469 6383 -6.3 -49.3 2 43.0 -13.6 159 27 331.4 331.4 292.2 331.7 0.09 14 400 7610 -12.7 -46.7 4 34.0 -18.3 165 27 338.5 338.5 294.1 339.1 0.14 15 378 8039 -15.7 -42.7 8 27.0 -20.4 157 27 340.0 340.1 294.6 341.0 0.23 16 314 9404 -28.1 -44.1 20 16.0 -30.1 155 32 341.3 341.3 294.8 342.3 0.24 17 300 9730 -30.7 -48.7 15 18.0 -32.5 130 40 342.1 342.1 295.0 342.7 0.15 18 291 9944 -32.3 -51.3 13 19.0 -34.0 127 43 342.8 342.9 295.1 343.3 0.12 19 250 10990 -40.3 -47.3 47 7.0 -40.9 130 47 346.2 346.2 296.0 347.0 0.21 20 220 11854 -47.7 -52.0 61 4.3 -47.9 153 44 347.6 347.7 296.3 348.2 0.14 21 200 12480 -52.9 -57.6 57 4.7 -53.1 170 42 349.0 349.0 296.5 349.3 0.08 22 193 12708 -55.1 -59.9 55 4.8 -55.2 165 44 349.0 349.1 296.5 349.3 0.06 23 172 13434 -60.1 -70.1 26 10.0 -60.2 160 44 352.5 352.5 297.2 352.5 0.02 24 169 13544 -59.3 -73.3 15 14.0 -59.5 162 44 355.6 355.6 297.8 355.6 0.01 25 150 14280 -65.1 -75.1 24 10.0 -65.2 125 48 357.9 357.9 298.3 358.0 0.01 26 132 15047 -71.7 -77.7 40 6.0 -71.7 113 40 359.5 359.5 298.6 359.5 0.01 27 125 15366 -74.3 -82.3 28 8.0 -74.3 117 35 360.4 360.4 298.8 360.4 0.00 28 114 15901 -75.7 -87.7 14 12.0 -75.7 144 39 367.4 367.4 300.1 367.4 0.00 29 101 16602 -75.3 -88.3 11 13.0 -75.3 120 34 381.2 381.2 302.4 381.2 0.00 30 100 16660 -75.3 -88.3 11 13.0 -75.3 120 31 382.2 382.2 302.6 382.2 0.00 31 72 18523 -82.7 -90.7 24 8.0 -82.7 100 35 404.2 404.2 305.7 404.2 0.00 32 70 18680 -82.1 -90.1 24 8.0 -82.1 90 35 408.7 408.7 306.3 408.7 0.00 33 55 20043 -77.9 -90.9 10 13.0 -77.9 95 36 447.6 447.6 310.6 447.6 0.00 34 50 20600 -69.1 -90.1 3 21.0 -69.3 105 48 480.7 480.7 313.5 480.7 0.00 35 49 20721 -69.1 -90.1 3 21.0 -69.3 120 44 483.4 483.4 313.7 483.4 0.00 36 46 21099 -70.1 -91.1 3 21.0 -70.3 104 47 489.8 489.8 314.2 489.8 0.00 37 42 21650 -64.7 -90.7 2 26.0 -65.1 99 38 516.1 516.1 316.1 516.1 0.00 38 37 22433 -61.1 -89.1 1 28.0 -61.8 74 29 544.4 544.4 317.8 544.4 0.00 39 32 23331 -63.9 -89.9 2 26.0 -64.4 72 26 560.0 560.0 318.6 560.0 0.00 40 30 23730 -61.1 -89.1 1 28.0 -61.9 90 33 578.1 578.1 319.6 578.1 0.00 TRP 72 18523 -82.7 -90.7 24 8.0 -82.7 100 35 404.2 404.2 305.7 404.2 0.00 WND Sounding variables and indices 1000-500 mb thick: 5775.00 m Freezing level: 594.76 mb = 4497.04 m = 14753.88 ft Freezing level: 582.15 mb = 4665.26 m = 15305.77 ft Freezing level: 562.07 mb = 4958.60 m = 16268.19 ft Wetbulb zero: 639.06 mb = 3912.67 m = 12836.69 ft Precipitable water: 1.02 inches Sfc-500 mean rel hum: 45.69 % Est. max temperature: 29.21 C = 84.57 F Sfc-Lift cond lev (LCL): 832.41 mb = 1701.13 m = 5581.08 ft T: 16.38 C 700-500 lapse rate: 4.60 C/km ThetaE index: 12.98 C Layer 789.0- 700.0 mb Conv cond level (CCL): 728.85 mb = 2825.13 m = 9268.67 ft Mean mixing ratio: 12.30 g/kg Conv temperature: 30.74 C = 87.34 F Cap Strength: 3.83 C Lifted Index: 3.95 C Risk: None Lifted Index @300 mb: 2.56 C Lifted Index @700 mb: 2.09 C Showalter Index: 4.13 C Risk: None Total Totals Index: 36.00 C Risk: None Vertical Totals Index: 18.90 C Cross Totals Index: 17.10 C K Index: 21.70 Risk: 20-40 % chance of thunderstorms Sweat Index: 253.60 Risk: None Energy Index: -1.84 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 37.85 J/kg Max Up Vert Vel: 8.70 m/s Conv Inhibition (B-): 141.70 J/kg Cap Strength: 3.85 C Lift Cond Lev (LCL): 811.33 mb = 1919.58 m = 6297.75 ft Lev Free Conv (LFC): 646.33 mb = 3821.37 m = 12537.16 ft Equ Level (EL): 576.33 mb = 4745.51 m = 15569.08 ft B at Equ Level: 37.04 J/kg Max Parcel Lev (MPL): 526.33 mb = 5470.27 m = 17946.85 ft Wind level data Storm motion: 143 at 15 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 ---------------------------------------------------------- 0 909 943 80 14 -13.8 -2.4 | 18 15 -4.8 -14.5 1 850 1523 40 25 -16.1 -19.2 | 13 32 -7.0 -31.2 2 850 1524 40 27 -17.4 -20.7 | 14 34 -8.3 -32.8 3 791 2134 65 22 -19.9 -9.3 | 27 24 -10.9 -21.4 4 763 2438 75 23 -22.2 -6.0 | 36 22 -13.2 -18.0 5 736 2743 80 22 -21.7 -3.8 | 38 20 -12.6 -15.9 6 700 3165 115 15 -13.6 6.3 | 38 7 -4.6 -5.8 7 659 3658 140 13 -8.4 10.0 | 343 2 0.7 -2.1 8 634 3962 140 17 -10.9 13.0 | 116 2 -1.9 0.9 9 611 4267 135 16 -11.3 11.3 | 71 2 -2.3 -0.8 10 588 4572 110 15 -14.1 5.1 | 36 9 -5.1 -7.0 11 545 5182 135 16 -11.3 11.3 | 71 2 -2.3 -0.8 12 525 5486 125 14 -11.5 8.0 | 31 5 -2.4 -4.1 13 506 5791 115 29 -26.3 12.3 | 91 17 -17.3 0.2 14 500 5880 145 26 -14.9 21.3 | 147 11 -5.9 9.2 15 486 6096 150 27 -13.5 23.4 | 158 12 -4.5 11.3 16 449 6706 170 27 -4.7 26.6 | 197 15 4.3 14.5 17 400 7610 165 27 -7.0 26.1 | 188 14 2.0 14.0 18 399 7620 160 22 -7.5 20.7 | 190 9 1.5 8.6 19 368 8230 155 30 -12.7 27.2 | 166 16 -3.7 15.1 20 312 9449 155 32 -13.5 29.0 | 165 17 -4.5 16.9 21 300 9730 130 40 -30.6 25.7 | 122 26 -21.6 13.6 22 274 10363 120 50 -43.3 25.0 | 111 37 -34.3 12.9 23 250 10990 130 47 -36.0 30.2 | 124 32 -27.0 18.1 24 200 12480 170 42 -7.3 41.4 | 183 29 1.7 29.3 25 199 12497 170 44 -7.6 43.3 | 183 31 1.4 31.2 26 181 13106 155 45 -19.0 40.8 | 161 30 -10.0 28.7 27 164 13716 165 43 -11.1 41.5 | 176 30 -2.1 29.4 28 156 14021 125 43 -35.2 24.7 | 116 29 -26.2 12.6 29 150 14280 125 48 -39.3 27.5 | 117 34 -30.3 15.4 30 149 14326 125 49 -40.1 28.1 | 117 35 -31.1 16.0 31 127 15240 110 37 -34.8 12.7 | 91 26 -25.7 0.6 32 121 15545 130 32 -24.5 20.6 | 119 18 -15.5 8.5 33 115 15850 145 37 -21.2 30.3 | 146 22 -12.2 18.2 34 109 16154 135 52 -36.8 36.8 | 132 37 -27.7 24.7 35 103 16459 120 40 -34.6 20.0 | 107 27 -25.6 7.9 36 100 16660 120 31 -26.8 15.5 | 101 18 -17.8 3.4 37 98 16764 125 31 -25.4 17.8 | 109 17 -16.4 5.7 38 93 17069 110 27 -25.4 9.2 | 80 17 -16.3 -2.9 39 84 17678 125 34 -27.9 19.5 | 111 20 -18.8 7.4 40 72 18523 100 35 -34.5 6.1 | 77 26 -25.4 -6.0 41 70 18680 90 35 -35.0 0.0 | 65 29 -26.0 -12.1 42 67 18898 95 37 -36.9 3.2 | 72 29 -27.8 -8.9 43 64 19202 85 28 -27.9 -2.4 | 52 24 -18.9 -14.5 44 57 19812 90 31 -31.0 0.0 | 61 25 -22.0 -12.1 45 50 20600 105 48 -46.4 12.4 | 91 37 -37.3 0.3 46 49 20726 120 44 -38.1 22.0 | 109 31 -29.1 9.9 47 44 21336 95 49 -48.8 4.3 | 79 41 -39.8 -7.8 48 42 21641 100 38 -37.4 6.6 | 79 29 -28.4 -5.5 49 36 22555 70 28 -26.3 -9.6 | 39 28 -17.3 -21.7 50 33 23165 55 25 -20.5 -14.3 | 23 29 -11.5 -26.4 51 31 23470 85 26 -25.9 -2.3 | 50 22 -16.9 -14.4 52 30 23730 90 33 -33.0 0.0 | 63 27 -24.0 -12.1 53 26 24384 95 34 -33.9 3.0 | 70 26 -24.8 -9.1 54 20 25298 70 47 -44.2 -16.1 | 51 45 -35.1 -28.2 55 15 26518 80 35 -34.5 -6.1 | 54 31 -25.4 -18.2 56 14 26822 70 34 -31.9 -11.6 | 44 33 -22.9 -23.7 Wind Parameters Mean winds (0-6000m): 113.3 at 20.1 knts Storm direction: 143.3 at 15.1 knts Shear (0-3000m) pos: 5.1 neg: 2.5 tot: 7.6 10-3/s Storm rel Dir Shear (0-3000m): 94.8 deg Storm rel helicity (0-3000m) pos: 87.3 neg: -23.6 tot: 63.6 m^2/s^2 ave: 21.2 10^-3 m/s^2 rel: 0.16 Storm rel vorticity (0-3000m) horiz: 10.2 stream: 1.6 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.84 Bulk Shear: 44.93 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 57 19 17 23| 0.0 14.7 14.7| 3.3 -17.1 -13.8 -27.6 -0.12| 15.2 -1.8 1000 51 22 17 27| 2.5 7.4 9.8| 40.6 -19.1 21.5 21.5 0.10| 13.7 1.4 1500 56 22 21 26| 4.1 4.9 9.0| 74.2 -19.1 55.1 36.8 0.23| 11.7 2.7 2000 62 22 25 25| 4.8 3.7 8.5| 86.4 -19.1 67.3 33.6 0.24| 11.1 2.7 2500 70 21 28 22| 5.3 2.9 8.3| 86.5 -22.2 64.3 25.7 0.16| 11.0 1.8 3000 77 20 32 19| 5.1 2.5 7.6| 87.3 -23.6 63.6 21.2 0.16| 10.2 1.6 4000 89 19 37 16| 4.0 2.5 6.5| 89.6 -28.0 61.6 15.4 0.09| 9.1 0.9 5000 98 19 45 13| 4.5 2.0 6.5|148.7 -29.6 119.1 23.8 0.26| 10.6 2.7 6000 113 20 66 10| 4.3 1.7 6.0|184.6 -31.4 153.1 25.5 0.32| 9.8 3.1 Wrote GIF file: /home/apache/climate/data/raob//SBUL/skewt/SBUL.skewt.20251222.12.gif