UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121612.upa.cvt Date: 1200Z 16 DEC 25 Searching for SBUL... Searching the city database file for: SBUL ... Date:1200Z 16 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 82 1 925 772 SFC 907 943 22.8 19.2 80 3.6 20.2 30 10 304.3 307.2 296.8 350.9 15.62 3 903 981 19.6 18.0 90 1.6 18.5 49 10 301.4 304.1 295.3 344.2 14.53 4 898 1029 19.2 17.8 92 1.4 18.2 72 10 301.5 304.1 295.3 344.0 14.43 5 882 1185 20.2 16.7 80 3.5 17.8 148 11 304.1 306.6 295.4 344.8 13.69 6 850 1504 18.4 16.0 86 2.4 16.8 165 12 305.4 307.9 295.7 346.0 13.58 7 700 3144 8.6 8.6 100 0.0 8.6 265 17 312.0 313.9 295.0 343.0 10.08 8 674 3457 6.8 6.1 95 0.7 6.4 268 19 313.4 315.1 294.5 340.7 8.80 9 670 3506 7.2 5.1 86 2.1 5.9 268 20 314.4 316.0 294.3 340.1 8.25 10 586 4600 1.4 1.4 100 0.0 1.4 288 15 319.9 321.3 295.1 343.1 7.25 11 501 5854 -3.7 -7.9 73 4.2 -5.7 295 11 328.3 329.2 294.9 342.5 4.21 12 500 5870 -3.9 -8.0 73 4.1 -5.8 295 11 328.3 329.1 294.9 342.4 4.19 13 422 7184 -12.3 -13.1 94 0.8 -12.6 337 14 333.9 334.5 295.6 345.3 3.31 14 400 7590 -14.7 -16.2 88 1.5 -15.3 335 17 335.9 336.4 295.6 345.4 2.70 15 318 9298 -25.5 -28.5 76 3.0 -26.2 310 11 343.7 343.9 296.2 348.0 1.15 16 300 9720 -28.9 -31.8 76 2.9 -29.5 295 7 344.6 344.8 296.2 348.0 0.89 17 250 11000 -38.7 -42.3 69 3.6 -39.1 180 6 348.5 348.6 296.6 350.0 0.37 18 244 11165 -40.1 -43.9 67 3.8 -40.5 174 7 348.9 348.9 296.7 350.2 0.32 19 240 11277 -40.9 -44.5 68 3.6 -41.2 171 8 349.3 349.4 296.7 350.6 0.30 20 200 12480 -51.9 -55.9 62 4.0 -52.1 165 10 350.6 350.6 296.8 351.0 0.10 21 150 14280 -68.5 -73.0 52 4.5 -68.5 175 15 352.1 352.1 297.1 352.1 0.01 22 148 14360 -69.3 -74.0 50 4.7 -69.4 178 15 352.1 352.1 297.1 352.1 0.01 23 130 15120 -75.1 -83.1 28 8.0 -75.1 194 20 355.0 355.0 297.7 355.0 0.00 24 124 15393 -74.5 -85.5 17 11.0 -74.5 164 21 360.9 360.9 298.9 360.9 0.00 25 101 16573 -77.7 -86.7 22 9.0 -77.7 57 32 376.5 376.5 301.7 376.5 0.00 26 100 16630 -78.1 -86.1 26 8.0 -78.1 55 33 376.8 376.8 301.7 376.8 0.00 27 96 16863 -79.7 -86.7 30 7.0 -79.7 55 29 378.1 378.1 301.9 378.1 0.00 28 82 17755 -80.9 -88.9 25 8.0 -80.9 64 27 393.1 393.1 304.2 393.1 0.00 29 70 18650 -79.9 -88.9 21 9.0 -79.9 75 14 413.4 413.4 306.9 413.5 0.00 30 65 19070 -80.1 -89.1 21 9.0 -80.1 81 17 421.9 421.9 307.9 421.9 0.00 31 50 20590 -71.1 -90.1 4 19.0 -71.2 95 44 475.9 475.9 313.1 476.0 0.00 32 46 21087 -68.3 -91.3 2 23.0 -68.5 99 44 494.2 494.2 314.5 494.2 0.00 33 42 21645 -59.9 -88.9 1 29.0 -60.6 84 44 528.0 528.0 316.8 528.0 0.00 34 37 22446 -55.1 -86.1 1 31.0 -56.4 75 24 559.8 559.8 318.6 559.9 0.01 35 30 23770 -60.3 -88.3 1 28.0 -61.2 85 8 580.3 580.3 319.7 580.3 0.01 36 29 23981 -60.7 -88.7 1 28.0 -61.6 150 8 584.8 584.8 319.9 584.8 0.01 37 23 25423 -60.9 -88.9 1 28.0 -62.0 64 23 624.3 624.3 321.7 624.3 0.01 TRP 96 16863 -79.7 -86.7 30 7.0 -79.7 55 29 378.1 378.1 301.9 378.1 0.00 WND Sounding variables and indices 1000-500 mb thick: 5788.00 m Freezing level: 562.67 mb = 4944.40 m = 16221.60 ft Wetbulb zero: 569.47 mb = 4829.14 m = 15843.43 ft Precipitable water: 1.81 inches Sfc-500 mean rel hum: 90.58 % Est. max temperature: 27.71 C = 81.88 F Sfc-Lift cond lev (LCL): 860.50 mb = 1397.97 m = 4586.45 ft T: 19.00 C 700-500 lapse rate: 4.59 C/km ThetaE index: 6.90 C Layer 903.0- 882.0 mb Conv cond level (CCL): 792.87 mb = 2091.69 m = 6862.43 ft Mean mixing ratio: 13.55 g/kg Conv temperature: 26.18 C = 79.13 F Cap Strength: 1.41 C Lifted Index: 0.77 C Risk: Showers probable Lifted Index @300 mb: 2.02 C Lifted Index @700 mb: -0.68 C Showalter Index: 0.47 C Risk: Thunderstorms probable Total Totals Index: 42.20 C Risk: None Vertical Totals Index: 22.30 C Cross Totals Index: 19.90 C K Index: 38.30 Risk: > 80 % chance of thunderstorms Sweat Index: 227.00 Risk: None Energy Index: -0.80 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 69.49 J/kg Max Up Vert Vel: 11.79 m/s Conv Inhibition (B-): 29.15 J/kg Cap Strength: 1.41 C Lift Cond Lev (LCL): 826.07 mb = 1745.23 m = 5725.75 ft Lev Free Conv (LFC): 731.07 mb = 2777.18 m = 9111.37 ft Equ Level (EL): 531.07 mb = 5387.78 m = 17676.24 ft B at Equ Level: 68.58 J/kg Max Parcel Lev (MPL): 351.07 mb = 8561.72 m = 28089.31 ft Wind level data Storm motion: 302 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 ---------------------------------------------------------- 0 907 943 30 10 -5.0 -8.7 | 77 14 -13.6 -3.2 1 878 1219 165 11 -2.8 10.6 | 145 20 -11.4 16.1 2 850 1504 165 12 -3.1 11.6 | 146 21 -11.7 17.0 3 818 1829 180 10 0.0 10.0 | 151 18 -8.6 15.5 4 789 2134 170 12 -2.1 11.8 | 148 20 -10.7 17.3 5 761 2438 195 10 2.6 9.7 | 158 16 -6.0 15.1 6 708 3048 265 13 13.0 1.1 | 214 8 4.4 6.6 7 700 3144 265 17 16.9 1.5 | 230 11 8.4 6.9 8 657 3658 270 21 21.0 -0.0 | 246 14 12.4 5.5 9 609 4267 295 15 13.6 -6.3 | 280 5 5.0 -0.9 10 544 5182 275 15 14.9 -1.3 | 237 8 6.4 4.1 11 524 5486 305 15 12.3 -8.6 | 310 5 3.7 -3.2 12 500 5870 295 11 10.0 -4.6 | 240 2 1.4 0.8 13 486 6096 305 12 9.8 -6.9 | 319 2 1.3 -1.4 14 467 6401 320 12 7.7 -9.2 | 13 4 -0.9 -3.7 15 449 6706 340 10 3.4 -9.4 | 53 6 -5.1 -3.9 16 400 7590 335 17 7.2 -15.4 | 8 10 -1.4 -10.0 17 367 8230 335 15 6.3 -13.6 | 15 8 -2.2 -8.1 18 352 8534 340 15 5.1 -14.1 | 22 9 -3.4 -8.6 19 324 9144 315 13 9.2 -9.2 | 351 4 0.6 -3.7 20 300 9720 295 7 6.3 -3.0 | 138 3 -2.2 2.5 21 262 10668 230 5 3.8 3.2 | 151 10 -4.7 8.7 22 250 11000 180 6 0.0 6.0 | 143 14 -8.6 11.5 23 229 11582 160 10 -3.4 9.4 | 141 19 -12.0 14.8 24 209 12192 170 11 -1.9 10.8 | 147 19 -10.5 16.3 25 200 12480 165 10 -2.6 9.7 | 144 19 -11.2 15.1 26 172 13411 150 13 -6.5 11.3 | 138 23 -15.1 16.7 27 150 14280 175 15 -1.3 14.9 | 154 23 -9.9 20.4 28 134 14935 200 19 6.5 17.9 | 175 23 -2.1 23.3 29 127 15240 190 21 3.6 20.7 | 169 27 -4.9 26.1 30 114 15850 80 19 -18.7 -3.3 | 95 27 -27.3 2.2 31 100 16630 55 33 -27.0 -18.9 | 69 38 -35.6 -13.5 32 98 16764 60 36 -31.2 -18.0 | 72 42 -39.7 -12.5 33 96 16863 55 29 -23.8 -16.6 | 71 34 -32.3 -11.2 34 88 17374 55 21 -17.2 -12.0 | 76 27 -25.8 -6.6 35 79 17983 70 31 -29.1 -10.6 | 82 38 -37.7 -5.2 36 70 18650 75 14 -13.5 -3.6 | 95 22 -22.1 1.8 37 67 18898 60 12 -10.4 -6.0 | 88 19 -19.0 -0.5 38 64 19202 95 20 -19.9 1.7 | 104 29 -28.5 7.2 39 60 19507 85 26 -25.9 -2.3 | 95 35 -34.5 3.2 40 57 19812 105 29 -28.0 7.5 | 110 39 -36.6 13.0 41 54 20117 95 36 -35.9 3.1 | 101 45 -44.4 8.6 42 50 20590 95 44 -43.8 3.8 | 100 53 -52.4 9.3 43 49 20726 105 37 -35.7 9.6 | 109 47 -44.3 15.0 44 44 21336 95 48 -47.8 4.2 | 100 57 -56.4 9.6 45 40 21946 75 41 -39.6 -10.6 | 84 48 -48.2 -5.2 46 35 22860 75 11 -10.6 -2.8 | 98 19 -19.2 2.6 47 33 23165 110 14 -13.2 4.8 | 115 24 -21.7 10.2 48 30 23770 85 8 -8.0 -0.7 | 106 17 -16.5 4.8 49 30 23774 170 2 -0.3 2.0 | 130 12 -8.9 7.4 50 26 24384 80 28 -27.6 -4.9 | 91 36 -36.1 0.6 51 22 24994 60 22 -19.1 -11.0 | 79 28 -27.6 -5.5 52 19 25603 85 45 -44.8 -3.9 | 92 53 -53.4 1.5 Wind Parameters Mean winds (0-6000m): 272.5 at 13.5 knts Storm direction: 302.5 at 10.2 knts Shear (0-3000m) pos: 4.0 neg: 0.0 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): -177.5 deg Storm rel helicity (0-3000m) pos: 198.3 neg: -3.7 tot: 194.7 m^2/s^2 ave: 64.9 10^-3 m/s^2 rel: 0.75 Storm rel vorticity (0-3000m) horiz: 10.8 stream: 8.1 10^-3/s Energy-Hel index: 0.07 Bulk Rich Number: 1.11 Bulk Shear: 62.40 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 ------------------------------------------------------------------------------- 500 147 11 135 21| 20.7 0.0 20.7|110.1 0.0 110.1 220.2 0.90| 25.8 23.3 1000 163 11 144 20| 10.2 0.0 10.2|119.6 -1.1 118.5 118.5 0.83| 15.0 12.5 1500 169 11 147 19| 6.8 0.0 6.8|135.1 -3.7 131.4 87.6 0.75| 12.3 9.2 2000 183 11 154 18| 5.4 0.0 5.4|168.3 -3.7 164.7 82.3 0.77| 12.2 9.4 2500 208 12 170 16| 5.4 0.0 5.4|185.8 -3.7 182.2 72.9 0.76| 11.7 8.9 3000 229 13 187 14| 4.0 0.0 4.0|198.3 -3.7 194.7 64.9 0.75| 10.8 8.1 4000 251 14 205 11| 2.5 0.4 2.8|202.9 -8.8 194.1 48.5 0.65| 9.2 5.9 5000 262 14 215 9| 1.8 0.6 2.3|212.8 -12.2 200.6 40.1 0.59| 8.7 5.1 6000 272 14 226 7| 1.2 0.5 1.6|219.1 -14.9 204.2 34.0 0.58| 8.1 4.8 Wrote GIF file: /home/apache/climate/data/raob//SBUL/skewt/SBUL.skewt.20251216.12.gif