UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120812.upa.cvt Date: 1200Z 8 DEC 25 Searching for SBSN... Searching the city database file for: SBSN ... Date:1200Z 8 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 1007 60 30.2 25.2 75 5.0 26.4 110 5 302.7 306.5 299.4 363.4 20.43 1 1000 124 27.4 23.2 78 4.2 24.3 110 5 300.5 303.9 297.5 354.0 18.19 2 999 133 27.2 23.1 78 4.1 24.2 108 5 300.4 303.7 297.4 353.5 18.09 3 957 512 23.2 21.0 87 2.2 21.6 57 21 300.1 303.1 296.3 348.7 16.58 4 925 809 21.8 17.9 79 3.9 19.1 50 28 301.6 304.2 295.1 343.1 14.09 5 863 1409 18.6 13.7 73 4.9 15.4 57 19 304.3 306.4 294.0 338.6 11.49 6 850 1539 17.8 15.0 84 2.8 15.9 55 14 304.8 307.2 295.0 342.8 12.72 7 844 1600 17.4 15.6 89 1.8 16.2 53 14 305.0 307.5 295.4 344.8 13.33 8 793 2131 14.6 11.7 83 2.9 12.7 60 12 307.5 309.5 294.4 340.6 10.96 9 781 2261 14.4 7.4 63 7.0 10.2 60 12 308.6 310.2 292.8 333.9 8.30 10 723 2910 10.4 7.7 83 2.7 8.8 60 8 311.1 312.8 294.1 339.3 9.16 11 700 3180 9.4 5.4 76 4.0 7.0 60 8 312.9 314.4 293.8 337.9 8.06 12 646 3841 6.0 -3.0 52 9.0 1.4 41 11 316.3 317.2 292.1 331.5 4.75 13 606 4360 2.4 -0.1 84 2.5 1.0 40 12 318.0 319.2 293.8 338.0 6.28 14 553 5094 -1.1 -5.9 70 4.8 -3.4 21 8 322.3 323.2 293.6 336.9 4.46 15 545 5210 -1.7 -7.7 64 6.0 -4.5 20 7 322.9 323.7 293.3 335.9 3.93 16 524 5521 -4.3 -5.2 93 0.9 -4.7 18 5 323.4 324.4 294.3 339.7 4.96 17 505 5812 -4.5 -9.3 69 4.8 -6.7 16 3 326.6 327.4 294.1 339.2 3.75 18 500 5890 -4.9 -9.0 73 4.1 -6.8 15 3 327.1 327.8 294.3 340.1 3.87 19 440 6891 -10.7 -13.4 80 2.7 -11.8 297 2 331.9 332.5 294.9 342.6 3.09 20 400 7620 -16.3 -18.3 85 2.0 -17.0 215 1 333.8 334.3 294.7 341.8 2.26 21 397 7676 -16.7 -18.6 85 1.9 -17.3 228 1 334.0 334.5 294.7 341.8 2.22 22 387 7867 -17.7 -19.0 90 1.3 -18.1 270 1 335.1 335.6 295.0 342.9 2.20 23 348 8652 -21.9 -27.9 58 6.0 -23.4 118 8 339.8 340.0 295.3 343.9 1.11 24 300 9720 -30.9 -34.9 68 4.0 -31.6 130 17 341.8 342.0 295.4 344.3 0.66 25 294 9863 -32.1 -35.8 70 3.7 -32.7 142 18 342.1 342.2 295.4 344.5 0.61 26 271 10435 -36.1 -47.1 31 11.0 -37.1 133 17 344.4 344.4 295.6 345.2 0.20 27 250 10990 -40.9 -53.9 23 13.0 -41.7 160 23 345.3 345.3 295.7 345.7 0.10 28 228 11611 -46.1 -62.1 15 16.0 -46.7 170 27 346.5 346.5 295.9 346.7 0.04 29 200 12470 -53.9 -60.9 42 7.0 -54.1 170 33 347.4 347.4 296.1 347.6 0.05 30 199 12502 -54.3 -60.3 48 6.0 -54.5 170 33 347.3 347.3 296.1 347.5 0.06 31 185 12965 -58.1 -73.1 13 15.0 -58.3 165 37 348.4 348.4 296.3 348.5 0.01 32 170 13490 -62.9 -71.9 29 9.0 -63.0 159 40 349.0 349.0 296.4 349.1 0.01 33 158 13937 -65.7 -77.7 17 12.0 -65.8 154 44 351.6 351.6 297.0 351.7 0.01 34 150 14250 -68.5 -74.5 42 6.0 -68.5 150 46 352.1 352.1 297.1 352.1 0.01 35 148 14330 -69.1 -74.1 48 5.0 -69.1 150 47 352.4 352.4 297.1 352.5 0.01 36 144 14494 -70.1 -77.1 35 7.0 -70.1 150 49 353.4 353.4 297.4 353.5 0.01 37 138 14746 -70.7 -80.7 21 10.0 -70.8 147 46 356.7 356.7 298.1 356.7 0.00 38 101 16554 -80.1 -86.1 36 6.0 -80.1 279 28 371.9 371.9 300.9 371.9 0.00 39 100 16610 -80.5 -85.5 43 5.0 -80.5 275 31 372.2 372.2 300.9 372.2 0.00 40 97 16781 -81.7 -86.7 42 5.0 -81.7 270 27 373.1 373.1 301.1 373.1 0.00 41 88 17326 -80.3 -88.3 25 8.0 -80.3 293 17 386.5 386.5 303.3 386.5 0.00 42 76 18143 -84.1 -90.1 34 6.0 -84.1 310 23 395.1 395.1 304.5 395.1 0.00 43 71 18520 -82.1 -90.1 24 8.0 -82.1 296 15 407.1 407.1 306.2 407.1 0.00 44 70 18600 -78.5 -88.5 18 10.0 -78.6 5 7 416.4 416.4 307.3 416.5 0.00 45 66 18940 -74.3 -87.3 12 13.0 -74.3 76 9 432.6 432.7 309.1 432.7 0.00 46 64 19119 -75.5 -89.5 9 14.0 -75.6 114 10 433.8 433.8 309.3 433.8 0.00 47 62 19304 -72.7 -88.7 7 16.0 -72.8 119 14 444.0 444.0 310.3 444.0 0.00 48 52 20340 -72.1 -89.1 6 17.0 -72.2 18 11 468.3 468.3 312.5 468.3 0.00 49 50 20570 -73.5 -89.5 7 16.0 -73.6 80 22 470.3 470.3 312.7 470.3 0.00 50 48 20808 -74.3 -90.3 7 16.0 -74.4 88 26 473.9 473.9 313.0 473.9 0.00 51 47 20931 -71.1 -90.1 4 19.0 -71.2 92 28 484.4 484.4 313.8 484.5 0.00 52 30 23650 -61.1 -89.1 1 28.0 -61.9 95 63 578.1 578.1 319.6 578.1 0.00 53 29 23861 -60.7 -88.7 1 28.0 -61.6 94 65 584.8 584.8 319.9 584.8 0.01 54 23 25319 -56.1 -86.3 1 30.2 -57.9 90 80 638.4 638.4 322.2 638.5 0.01 55 21 25900 -54.3 -85.3 1 31.0 -56.6 90 80 660.7 660.7 323.1 660.8 0.01 TRP 97 16781 -81.7 -86.7 42 5.0 -81.7 270 27 373.1 373.1 301.1 373.1 0.00 WND 23 25319 -56.1 -86.3 1 30.2 -57.9 90 80 638.4 638.4 322.2 638.5 0.01 Sounding variables and indices 1000-500 mb thick: 5766.00 m Freezing level: 569.66 mb = 4863.27 m = 15955.41 ft Wetbulb zero: 593.91 mb = 4521.53 m = 14834.25 ft Precipitable water: 2.13 inches Sfc-500 mean rel hum: 75.73 % Est. max temperature: 31.99 C = 89.58 F Sfc-Lift cond lev (LCL): 937.20 mb = 694.46 m = 2278.37 ft T: 22.34 C 700-500 lapse rate: 5.28 C/km ThetaE index: 24.86 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 872.69 mb = 1312.23 m = 4305.16 ft Mean mixing ratio: 16.14 g/kg Conv temperature: 31.33 C = 88.39 F Cap Strength: 1.28 C Lifted Index: -1.35 C Risk: Thunderstorms probable Lifted Index @300 mb: -1.62 C Lifted Index @700 mb: -0.76 C Showalter Index: 0.76 C Risk: Thunderstorms probable Total Totals Index: 42.60 C Risk: None Vertical Totals Index: 22.70 C Cross Totals Index: 19.90 C K Index: 33.70 Risk: 60-80 % chance of thunderstorms Sweat Index: 211.00 Risk: None Energy Index: -0.60 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 504.98 J/kg Max Up Vert Vel: 31.78 m/s Conv Inhibition (B-): 26.52 J/kg Cap Strength: 1.88 C Lift Cond Lev (LCL): 911.31 mb = 937.93 m = 3077.16 ft Lev Free Conv (LFC): 806.31 mb = 1989.43 m = 6526.94 ft Equ Level (EL): 776.31 mb = 2311.44 m = 7583.36 ft B at Equ Level: 8.48 J/kg Max Parcel Lev (MPL): 116.31 mb = 15736.71 m = 51628.99 ft Wind level data Storm motion: 79 at 9 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 1007 60 110 5 -4.7 1.7 | 230 5 4.2 3.5 1 1000 124 110 5 -4.7 1.7 | 230 5 4.2 3.5 2 980 305 70 14 -13.2 -4.8 | 55 5 -4.3 -3.0 3 946 610 50 24 -18.4 -15.4 | 35 17 -9.5 -13.7 4 925 809 50 28 -21.4 -18.0 | 38 21 -12.6 -16.2 5 914 914 50 29 -22.2 -18.6 | 38 22 -13.3 -16.9 6 882 1219 60 25 -21.7 -12.5 | 50 17 -12.8 -10.7 7 850 1539 55 14 -11.5 -8.0 | 22 7 -2.6 -6.3 8 821 1829 45 13 -9.2 -9.2 | 2 7 -0.3 -7.4 9 792 2134 60 12 -10.4 -6.0 | 20 5 -1.5 -4.2 10 764 2438 60 12 -10.4 -6.0 | 20 5 -1.5 -4.2 11 737 2743 60 8 -6.9 -4.0 | 319 3 1.9 -2.2 12 700 3180 60 8 -6.9 -4.0 | 319 3 1.9 -2.2 13 660 3658 40 11 -7.1 -8.4 | 345 7 1.8 -6.7 14 612 4267 45 12 -8.5 -8.5 | 357 7 0.4 -6.7 15 589 4572 25 11 -4.6 -10.0 | 333 9 4.2 -8.2 16 500 5890 15 3 -0.8 -2.9 | 278 8 8.1 -1.1 17 487 6096 25 3 -1.3 -2.7 | 277 8 7.6 -1.0 18 400 7620 215 1 0.6 0.8 | 255 10 9.4 2.6 19 384 7925 285 1 1.0 -0.3 | 261 10 9.8 1.5 20 368 8230 85 3 -3.0 -0.3 | 256 6 5.9 1.5 21 338 8839 135 11 -7.8 7.8 | 187 10 1.1 9.5 22 300 9720 130 17 -13.0 10.9 | 162 13 -4.2 12.7 23 299 9754 145 18 -10.3 14.7 | 175 17 -1.5 16.5 24 274 10363 130 16 -12.3 10.3 | 164 13 -3.4 12.0 25 250 10990 160 23 -7.9 21.6 | 182 23 1.0 23.4 26 218 11887 175 29 -2.5 28.9 | 192 31 6.3 30.6 27 200 12470 170 33 -5.7 32.5 | 185 34 3.1 34.3 28 150 14250 150 46 -23.0 39.8 | 161 44 -14.1 41.6 29 141 14630 150 51 -25.5 44.2 | 160 49 -16.6 45.9 30 127 15240 135 22 -15.6 15.6 | 159 19 -6.7 17.3 31 120 15545 160 13 -4.4 12.2 | 198 15 4.4 14.0 32 114 15850 230 13 10.0 8.4 | 242 21 18.8 10.1 33 108 16154 225 16 11.3 11.3 | 237 24 20.2 13.1 34 103 16459 285 23 22.2 -6.0 | 278 31 31.1 -4.2 35 100 16610 275 31 30.9 -2.7 | 271 40 39.8 -0.9 36 97 16764 275 31 30.9 -2.7 | 271 40 39.8 -0.9 37 97 16781 270 27 27.0 -0.0 | 267 36 35.9 1.8 38 92 17069 255 19 18.4 4.9 | 256 28 27.2 6.7 39 87 17374 300 17 14.7 -8.5 | 286 25 23.6 -6.7 40 78 17983 305 28 22.9 -16.1 | 294 35 31.8 -14.3 41 74 18288 315 18 12.7 -12.7 | 297 24 21.6 -11.0 42 70 18593 290 14 13.2 -4.8 | 278 22 22.0 -3.0 43 70 18600 5 7 -0.6 -7.0 | 302 10 8.3 -5.2 44 63 19202 130 11 -8.4 7.1 | 183 9 0.4 8.8 45 60 19507 100 20 -19.7 3.5 | 116 12 -10.8 5.2 46 54 20117 305 11 9.0 -6.3 | 284 18 17.9 -4.6 47 51 20422 45 11 -7.8 -7.8 | 350 6 1.1 -6.0 48 50 20570 80 22 -21.7 -3.8 | 81 13 -12.8 -2.1 49 44 21336 105 34 -32.8 8.8 | 114 26 -24.0 10.6 50 42 21641 115 42 -38.1 17.7 | 124 35 -29.2 19.5 51 40 21946 100 47 -46.3 8.2 | 105 39 -37.4 9.9 52 36 22555 80 52 -51.2 -9.0 | 80 43 -42.3 -7.3 53 31 23470 105 57 -55.1 14.8 | 110 49 -46.2 16.5 54 30 23650 95 63 -62.8 5.5 | 98 54 -53.9 7.2 55 24 24994 90 74 -74.0 0.0 | 92 65 -65.1 1.8 56 23 25319 90 80 -80.0 0.0 | 91 71 -71.1 1.8 57 21 25603 90 80 -80.0 0.0 | 91 71 -71.1 1.8 58 18 26213 90 78 -78.0 0.0 | 91 69 -69.1 1.8 Wind Parameters Mean winds (0-6000m): 48.8 at 12.1 knts Storm direction: 78.8 at 9.0 knts Shear (0-3000m) pos: 0.3 neg: 1.1 tot: 1.4 10-3/s Storm rel Dir Shear (0-3000m): 88.9 deg Storm rel helicity (0-3000m) pos: 23.8 neg: -36.1 tot: -12.2 m^2/s^2 ave: -4.1 10^-3 m/s^2 rel: -0.35 Storm rel vorticity (0-3000m) horiz: 9.5 stream: -3.3 10^-3/s Energy-Hel index: 0.07 Bulk Rich Number: 212.71 Bulk Shear: 2.37 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 67 13 45 5| 0.0 20.6 20.6| 0.0 -13.5 -13.5 -27.0 -0.62| 23.5-14.5 1000 56 20 39 12| 2.4 10.3 12.8| 14.8 -16.2 -1.4 -1.4 -0.37| 16.5 -6.2 1500 56 21 41 13| 1.6 2.7 4.4| 21.4 -29.1 -7.6 -5.1 -0.33| 15.8 -5.3 2000 55 19 36 11| 0.8 2.1 2.9| 23.3 -33.0 -9.7 -4.8 -0.32| 13.0 -4.2 2500 56 17 34 10| 0.4 1.6 2.1| 23.8 -34.2 -10.4 -4.1 -0.32| 10.9 -3.5 3000 56 16 31 8| 0.3 1.1 1.4| 23.8 -36.1 -12.2 -4.1 -0.35| 9.5 -3.3 4000 54 14 23 7| 0.3 1.4 1.7| 27.4 -36.1 -8.6 -2.2 -0.27| 7.8 -2.1 5000 51 14 14 7| 0.2 1.1 1.3| 28.3 -49.5 -21.2 -4.2 -0.33| 7.0 -2.3 6000 49 12 2 6| 0.3 0.8 1.0| 28.3 -60.4 -32.1 -5.4 -0.37| 6.3 -2.4 Wrote GIF file: /home/apache/climate/data/raob//SBSN/skewt/SBSN.skewt.20251208.12.gif