UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120612.upa.cvt Date: 1200Z 6 DEC 25 Searching for SBSN... Searching the city database file for: SBSN ... Date:1200Z 6 DEC 25 Station: SBSN WMO ident: 82244 Latitude: -2.42 Longitude: -54.79 Elevation: 60.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1005 60 27.6 23.0 76 4.6 24.2 70 13 300.3 303.6 297.2 352.7 17.87 1 1000 106 26.8 23.7 83 3.1 24.5 70 18 300.0 303.4 297.7 355.0 18.76 2 939 659 21.8 21.6 99 0.2 21.7 65 27 300.3 303.5 297.0 351.8 17.56 3 933 715 22.8 18.4 76 4.4 19.7 65 26 301.9 304.5 295.4 344.4 14.42 4 925 790 22.8 17.8 73 5.0 19.4 65 26 302.6 305.2 295.3 344.0 14.00 5 914 894 22.6 15.6 65 7.0 17.9 65 25 303.5 305.7 294.3 339.9 12.28 6 850 1525 20.0 12.0 60 8.0 14.8 60 23 307.1 309.0 294.0 338.6 10.42 7 708 3081 12.6 3.6 54 9.0 7.3 248 7 315.4 316.8 293.7 337.5 7.02 8 700 3176 12.0 3.0 54 9.0 6.8 270 8 315.8 317.1 293.6 337.2 6.80 9 562 4973 -1.3 -1.7 97 0.4 -1.5 274 16 320.6 321.7 294.3 340.0 6.02 10 522 5560 -3.5 -7.4 74 3.9 -5.3 280 12 324.7 325.6 294.0 338.7 4.20 11 500 5900 -5.9 -8.2 84 2.3 -7.0 290 10 325.8 326.7 294.2 339.6 4.12 12 415 7332 -16.3 -16.5 98 0.2 -16.4 255 6 330.3 330.8 294.1 339.1 2.54 13 405 7516 -15.7 -20.3 68 4.6 -17.1 245 5 333.4 333.8 294.3 340.1 1.88 14 400 7610 -15.9 -21.9 60 6.0 -17.7 240 5 334.3 334.7 294.4 340.2 1.66 15 397 7667 -16.3 -23.3 55 7.0 -18.3 253 4 334.5 334.8 294.3 339.8 1.47 16 360 8394 -21.9 -25.8 71 3.9 -22.9 123 5 336.5 336.8 294.6 341.2 1.30 17 300 9710 -30.9 -38.9 45 8.0 -32.0 105 11 341.8 341.9 295.1 343.5 0.44 18 291 9926 -32.1 -44.1 29 12.0 -33.4 111 13 343.1 343.2 295.3 344.2 0.26 19 252 10926 -41.1 -44.8 67 3.7 -41.4 119 29 344.2 344.2 295.6 345.3 0.28 20 250 10980 -41.5 -46.1 61 4.6 -41.9 120 31 344.4 344.4 295.6 345.4 0.24 21 225 11685 -47.3 -55.3 39 8.0 -47.7 131 36 346.0 346.0 295.8 346.4 0.09 22 215 11983 -50.3 -56.3 49 6.0 -50.5 135 36 345.9 345.9 295.8 346.3 0.09 23 209 12167 -51.7 -56.5 56 4.8 -51.9 135 34 346.5 346.5 296.0 346.9 0.09 24 200 12450 -54.1 -63.1 32 9.0 -54.3 135 30 347.1 347.1 296.0 347.3 0.04 25 196 12580 -54.7 -66.7 21 12.0 -54.9 136 30 348.2 348.2 296.3 348.3 0.02 26 162 13773 -64.7 -72.7 32 8.0 -64.8 136 28 350.8 350.8 296.8 350.9 0.01 27 150 14240 -67.7 -76.7 27 9.0 -67.8 130 26 353.5 353.5 297.4 353.5 0.01 28 136 14824 -69.7 -82.7 13 13.0 -69.8 134 20 360.0 360.0 298.7 360.0 0.00 29 114 15849 -78.1 -84.1 37 6.0 -78.1 219 28 363.0 363.0 299.3 363.0 0.00 30 101 16534 -80.3 -87.3 30 7.0 -80.3 220 16 371.5 371.5 300.8 371.5 0.00 31 100 16590 -79.9 -87.9 25 8.0 -79.9 220 9 373.4 373.4 301.1 373.4 0.00 32 82 17705 -83.7 -89.7 34 6.0 -83.7 120 19 387.4 387.4 303.4 387.4 0.00 33 73 18358 -79.5 -88.5 21 9.0 -79.5 88 25 409.4 409.4 306.5 409.4 0.00 34 70 18600 -73.5 -86.5 12 13.0 -73.6 330 6 427.1 427.1 308.5 427.2 0.00 35 69 18684 -73.3 -86.3 12 13.0 -73.3 331 7 429.3 429.3 308.7 429.3 0.00 36 59 19597 -75.3 -89.3 9 14.0 -75.3 308 12 444.5 444.5 310.3 444.5 0.00 37 53 20226 -71.3 -89.3 5 18.0 -71.4 42 13 467.6 467.6 312.4 467.6 0.00 38 50 20570 -72.1 -90.1 5 18.0 -72.2 70 27 473.6 473.6 313.0 473.6 0.00 39 49 20689 -72.1 -90.1 5 18.0 -72.2 66 25 476.3 476.3 313.1 476.3 0.00 40 46 21066 -67.7 -90.7 2 23.0 -67.9 84 36 495.6 495.6 314.7 495.6 0.00 41 42 21614 -68.3 -91.3 2 23.0 -68.5 88 47 507.2 507.2 315.5 507.2 0.00 42 30 23660 -63.7 -90.7 1 27.0 -64.3 90 56 571.0 571.0 319.2 571.0 0.00 43 29 23867 -63.7 -90.7 1 27.0 -64.3 87 56 576.5 576.5 319.5 576.6 0.00 44 26 24546 -57.3 -88.3 1 31.0 -58.7 81 59 613.0 613.0 321.2 613.1 0.01 45 25 24793 -57.7 -88.7 1 31.0 -59.1 83 61 618.8 618.8 321.5 618.8 0.01 46 21 25904 -52.4 -86.5 1 34.1 -55.1 90 73 666.5 666.5 323.3 666.5 0.01 47 20 26220 -50.9 -85.9 1 35.0 -54.1 95 70 680.4 680.4 323.8 680.5 0.01 48 18 26915 -44.9 -82.9 1 38.0 -50.4 95 71 720.1 720.1 325.1 720.3 0.02 TRP 82 17705 -83.7 -89.7 34 6.0 -83.7 120 19 387.4 387.4 303.4 387.4 0.00 WND 21 25904 -52.4 -86.5 1 34.1 -55.1 90 73 666.5 666.5 323.3 666.5 0.01 Sounding variables and indices 1000-500 mb thick: 5794.00 m Freezing level: 575.49 mb = 4797.52 m = 15739.72 ft Wetbulb zero: 587.03 mb = 4616.58 m = 15146.08 ft Precipitable water: 2.05 inches Sfc-500 mean rel hum: 71.69 % Est. max temperature: 34.09 C = 93.36 F Sfc-Lift cond lev (LCL): 940.35 mb = 646.27 m = 2120.27 ft T: 21.91 C 700-500 lapse rate: 6.57 C/km ThetaE index: 17.74 C Layer 939.0- 562.0 mb Conv cond level (CCL): 819.21 mb = 1838.95 m = 6033.24 ft Mean mixing ratio: 16.57 g/kg Conv temperature: 36.06 C = 96.92 F Cap Strength: 2.31 C Lifted Index: -2.87 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.44 C Lifted Index @700 mb: 1.46 C Showalter Index: 1.46 C Risk: Showers probable Total Totals Index: 43.80 C Risk: None Vertical Totals Index: 25.90 C Cross Totals Index: 17.90 C K Index: 28.90 Risk: 40-60 % chance of thunderstorms Sweat Index: 200.00 Risk: None Energy Index: 0.21 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 922.07 J/kg Max Up Vert Vel: 42.94 m/s Conv Inhibition (B-): 178.84 J/kg Cap Strength: 2.32 C Lift Cond Lev (LCL): 914.80 mb = 886.83 m = 2909.50 ft Lev Free Conv (LFC): 649.80 mb = 3785.11 m = 12418.19 ft Equ Level (EL): 169.80 mb = 13478.41 m = 44219.97 ft B at Equ Level: 915.88 J/kg Max Parcel Lev (MPL): 99.80 mb = 16601.42 m = 54465.93 ft Wind level data Storm motion: 39 at 11 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 1005 60 70 13 -12.2 -4.4 | 124 7 -5.5 3.8 1 1000 106 70 18 -16.9 -6.2 | 102 10 -10.2 2.1 2 978 305 75 20 -19.3 -5.2 | 104 13 -12.6 3.1 3 944 610 65 27 -24.5 -11.4 | 80 18 -17.8 -3.2 4 925 790 65 26 -23.6 -11.0 | 81 17 -16.9 -2.7 5 912 914 65 25 -22.7 -10.6 | 82 16 -16.0 -2.3 6 880 1219 60 24 -20.8 -12.0 | 75 15 -14.1 -3.7 7 850 1525 60 23 -19.9 -11.5 | 76 14 -13.2 -3.2 8 791 2134 115 9 -8.2 3.8 | 173 12 -1.5 12.1 9 763 2438 100 4 -3.9 0.7 | 197 9 2.7 8.9 10 700 3176 270 8 8.0 -0.0 | 241 17 14.7 8.3 11 685 3353 255 10 9.7 2.6 | 236 20 16.3 10.8 12 612 4267 270 11 11.0 -0.0 | 245 20 17.7 8.3 13 567 4877 275 17 16.9 -1.5 | 254 25 23.6 6.8 14 546 5182 270 15 15.0 -0.0 | 249 23 21.7 8.3 15 500 5900 290 10 9.4 -3.4 | 253 17 16.1 4.8 16 487 6096 300 10 8.7 -5.0 | 258 16 15.3 3.3 17 468 6401 305 10 8.2 -5.7 | 260 15 14.9 2.5 18 400 7610 240 5 4.3 2.5 | 226 15 11.0 10.8 19 383 7925 315 1 0.7 -0.7 | 224 11 7.4 7.5 20 367 8230 125 4 -3.3 2.3 | 198 11 3.4 10.5 21 300 9710 105 11 -10.6 2.8 | 160 12 -4.0 11.1 22 298 9754 105 11 -10.6 2.8 | 160 12 -4.0 11.1 23 273 10363 125 19 -15.6 10.9 | 155 21 -8.9 19.2 24 261 10668 115 20 -18.1 8.5 | 146 20 -11.5 16.7 25 250 10980 120 31 -26.8 15.5 | 140 31 -20.2 23.8 26 218 11887 135 37 -26.2 26.2 | 150 40 -19.5 34.4 27 200 12450 135 30 -21.2 21.2 | 154 33 -14.5 29.5 28 171 13411 140 29 -18.6 22.2 | 159 33 -12.0 30.5 29 150 14240 130 26 -19.9 16.7 | 152 28 -13.2 25.0 30 148 14326 135 29 -20.5 20.5 | 154 32 -13.8 28.8 31 140 14630 125 26 -21.3 14.9 | 148 27 -14.6 23.2 32 133 14935 140 16 -10.3 12.3 | 170 21 -3.6 20.5 33 126 15240 190 15 2.6 14.8 | 202 25 9.3 23.0 34 114 15850 220 28 18.0 21.4 | 220 39 24.7 29.7 35 108 16154 220 39 25.1 29.9 | 220 50 31.7 38.1 36 102 16459 220 25 16.1 19.2 | 220 36 22.7 27.4 37 100 16590 220 9 5.8 6.9 | 219 20 12.5 15.1 38 97 16764 245 12 10.9 5.1 | 233 22 17.5 13.3 39 92 17069 130 13 -10.0 8.4 | 169 17 -3.3 16.6 40 82 17678 110 23 -21.6 7.9 | 137 22 -14.9 16.1 41 82 17705 120 19 -16.5 9.5 | 151 20 -9.8 17.8 42 78 17983 120 19 -16.5 9.5 | 151 20 -9.8 17.8 43 74 18288 100 29 -28.6 5.0 | 121 26 -21.9 13.3 44 70 18593 50 13 -10.0 -8.4 | 88 3 -3.3 -0.1 45 70 18600 330 6 3.0 -5.2 | 252 10 9.7 3.1 46 67 18898 335 11 4.6 -10.0 | 279 11 11.3 -1.7 47 63 19202 330 22 11.0 -19.1 | 301 21 17.7 -10.8 48 60 19507 280 12 11.8 -2.1 | 252 19 18.5 6.2 49 57 19812 10 11 -1.9 -10.8 | 298 5 4.8 -2.6 50 54 20117 25 11 -4.6 -10.0 | 310 3 2.0 -1.7 51 51 20422 70 17 -16.0 -5.8 | 105 10 -9.3 2.4 52 50 20570 70 27 -25.4 -9.2 | 87 19 -18.7 -1.0 53 49 20726 65 25 -22.7 -10.6 | 82 16 -16.0 -2.3 54 46 21031 85 34 -33.9 -3.0 | 101 28 -27.2 5.3 55 44 21336 80 45 -44.3 -7.8 | 91 38 -37.6 0.4 56 38 22250 105 52 -50.2 13.5 | 116 49 -43.6 21.7 57 33 23165 95 58 -57.8 5.1 | 105 53 -51.1 13.3 58 30 23660 90 56 -56.0 0.0 | 99 50 -49.3 8.3 59 27 24384 80 57 -56.1 -9.9 | 88 49 -49.5 -1.6 60 21 25904 90 73 -73.0 0.0 | 97 67 -66.3 8.3 61 20 26213 90 73 -73.0 0.0 | 97 67 -66.3 8.3 62 20 26220 95 70 -69.7 6.1 | 103 65 -63.1 14.4 63 17 26822 95 71 -70.7 6.2 | 103 66 -64.1 14.4 64 14 27432 95 46 -45.8 4.0 | 107 41 -39.2 12.3 Wind Parameters Mean winds (0-6000m): 9.0 at 14.2 knts Storm direction: 39.0 at 10.6 knts Shear (0-3000m) pos: 5.5 neg: 2.0 tot: 7.5 10-3/s Storm rel Dir Shear (0-3000m): 104.4 deg Storm rel helicity (0-3000m) pos: 122.2 neg: -39.5 tot: 82.7 m^2/s^2 ave: 27.6 10^-3 m/s^2 rel: 0.40 Storm rel vorticity (0-3000m) horiz: 10.3 stream: 4.1 10^-3/s Energy-Hel index: 0.37 Bulk Rich Number: 19.61 Bulk Shear: 47.02 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 71 21 97 13| 0.0 13.3 13.3| 0.7 -28.0 -27.3 -54.6 -0.60| 14.4 -8.7 1000 68 23 88 15| 0.0 6.0 6.0| 2.3 -35.5 -33.2 -33.2 -0.55| 9.2 -5.0 1500 65 23 84 15| 0.8 4.0 4.8| 8.3 -39.0 -30.7 -20.5 -0.42| 7.4 -3.1 2000 67 22 89 13| 4.8 3.0 7.8| 63.9 -39.0 24.9 12.4 0.21| 10.0 2.1 2500 69 19 99 11| 4.7 2.4 7.1| 81.6 -39.5 42.1 16.8 0.30| 9.8 3.0 3000 70 16 107 9| 5.5 2.0 7.5|122.2 -39.5 82.7 27.6 0.40| 10.3 4.1 4000 65 15 107 7| 4.5 1.5 6.0|147.6 -43.6 104.0 26.0 0.41| 8.8 3.6 5000 47 15 67 4| 3.8 1.1 4.9|170.7 -50.9 119.8 24.0 0.41| 7.8 3.2 6000 9 14 322 7| 2.5 0.9 3.4|183.1 -54.9 128.2 21.4 0.39| 7.3 2.8 Wrote GIF file: /home/apache/climate/data/raob//SBSN/skewt/SBSN.skewt.20251206.12.gif