UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121012.upa.cvt Date: 1200Z 10 DEC 25 Searching for SBSN... Searching the city database file for: SBSN ... Date:1200Z 10 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 28.4 23.4 74 5.0 24.7 100 5 300.9 304.3 297.7 354.7 18.28 1 1000 121 26.6 22.7 79 3.9 23.8 75 17 299.8 303.0 296.9 351.3 17.63 2 996 156 26.2 22.7 81 3.5 23.7 72 18 299.7 302.9 297.0 351.5 17.70 3 925 805 21.6 18.7 84 2.9 19.6 65 27 301.4 304.1 295.5 345.0 14.83 4 850 1537 17.0 15.4 90 1.6 15.9 75 23 304.0 306.4 295.0 342.8 13.06 5 832 1719 15.6 14.7 94 0.9 15.0 78 21 304.3 306.7 294.9 342.3 12.75 6 802 2032 16.4 8.4 59 8.0 11.4 83 18 308.4 310.0 293.0 334.8 8.66 7 767 2412 15.6 0.6 36 15.0 7.4 103 20 311.5 312.5 291.1 327.8 5.21 8 700 3181 9.6 3.6 66 6.0 6.1 125 5 313.1 314.5 293.1 335.3 7.10 9 676 3469 7.8 1.8 66 6.0 4.4 152 5 314.2 315.5 292.9 334.5 6.46 10 665 3604 7.0 1.0 66 6.0 3.7 165 5 314.8 316.0 292.9 334.4 6.20 11 631 4035 6.0 -19.0 15 25.0 -3.1 206 6 318.4 318.7 289.7 323.0 1.35 12 589 4594 2.0 -6.0 55 8.0 -1.9 0 0 320.1 320.9 292.7 333.7 4.15 13 572 4830 1.4 -11.6 37 13.0 -4.1 17 1 322.1 322.7 292.0 331.3 2.75 14 542 5262 -1.9 -7.9 63 6.0 -4.7 48 4 323.2 323.9 293.3 336.1 3.89 15 535 5365 -1.9 -15.9 33 14.0 -7.2 56 4 324.4 324.8 292.1 331.4 2.07 16 523 5545 -2.9 -10.9 54 8.0 -6.4 69 5 325.3 325.9 293.3 336.0 3.18 17 500 5900 -4.9 -19.9 30 15.0 -10.0 95 7 327.1 327.4 292.4 332.6 1.58 18 493 6011 -5.5 -21.5 27 16.0 -10.8 98 8 327.7 327.9 292.4 332.5 1.39 19 482 6188 -6.9 -12.9 62 6.0 -9.4 101 9 328.0 328.6 293.9 338.1 2.94 20 436 6964 -12.5 -16.5 72 4.0 -13.9 91 10 330.5 331.0 294.0 338.9 2.42 21 418 7286 -13.3 -25.3 36 12.0 -16.7 66 8 333.5 333.7 293.7 337.7 1.17 22 401 7601 -15.9 -23.9 50 8.0 -18.2 41 6 334.1 334.4 294.1 339.1 1.38 23 400 7620 -16.1 -24.1 50 8.0 -18.4 40 6 334.1 334.3 294.1 339.0 1.36 24 371 8185 -18.7 -42.7 10 24.0 -22.5 58 7 337.9 337.9 294.0 338.8 0.24 25 300 9730 -31.5 -42.5 33 11.0 -32.8 45 19 341.0 341.0 294.8 342.2 0.30 26 277 10288 -36.3 -47.3 31 11.0 -37.2 85 22 341.9 342.0 295.0 342.7 0.19 27 252 10936 -40.9 -59.9 11 19.0 -41.8 123 27 344.5 344.5 295.4 344.7 0.05 28 250 10990 -41.3 -60.3 11 19.0 -42.2 125 28 344.7 344.7 295.5 344.9 0.05 29 220 11845 -47.3 -61.3 19 14.0 -47.8 138 27 348.2 348.3 296.3 348.4 0.05 30 200 12470 -50.7 -67.7 12 17.0 -51.1 245 20 352.5 352.5 297.2 352.6 0.02 31 184 13008 -54.5 -73.5 8 19.0 -54.8 268 26 354.8 354.8 297.7 354.9 0.01 32 150 14280 -65.9 -76.9 20 11.0 -66.0 280 44 356.6 356.6 298.0 356.6 0.01 33 125 15363 -75.3 -80.3 45 5.0 -75.3 275 43 358.6 358.6 298.4 358.6 0.01 34 101 16575 -83.5 -88.4 42 4.9 -83.5 237 34 365.4 365.4 299.7 365.4 0.00 35 100 16630 -83.5 -88.3 43 4.8 -83.5 235 34 366.4 366.4 299.9 366.4 0.00 36 94 16972 -85.3 -89.0 51 3.7 -85.3 210 34 369.4 369.4 300.5 369.4 0.00 37 84 17596 -82.7 -88.7 35 6.0 -82.7 195 8 386.8 386.8 303.3 386.8 0.00 38 76 18151 -84.5 -90.5 34 6.0 -84.5 264 11 394.2 394.2 304.4 394.2 0.00 39 73 18374 -84.3 -91.3 28 7.0 -84.3 307 10 399.2 399.2 305.1 399.2 0.00 40 72 18451 -80.9 -88.9 25 8.0 -80.9 347 10 408.0 408.0 306.3 408.0 0.00 41 70 18610 -80.3 -88.3 25 8.0 -80.3 355 14 412.6 412.6 306.8 412.6 0.00 42 64 19124 -74.1 -87.1 12 13.0 -74.2 348 15 436.9 436.9 309.6 436.9 0.00 43 59 19599 -73.7 -87.7 10 14.0 -73.7 322 14 448.1 448.1 310.7 448.1 0.00 44 55 20006 -75.7 -89.7 9 14.0 -75.7 264 10 452.6 452.6 311.1 452.6 0.00 45 50 20560 -73.9 -89.9 7 16.0 -74.0 95 23 469.3 469.3 312.6 469.4 0.00 46 47 20923 -71.5 -89.5 5 18.0 -71.6 93 31 483.5 483.5 313.7 483.5 0.00 47 44 21311 -72.7 -90.7 5 18.0 -72.8 84 41 489.8 489.8 314.2 489.8 0.00 48 40 21880 -65.7 -89.7 2 24.0 -66.0 83 48 520.9 520.9 316.4 520.9 0.00 49 34 22875 -62.5 -88.5 2 26.0 -63.1 81 60 554.1 554.1 318.3 554.1 0.00 50 30 23650 -60.9 -87.9 2 27.0 -61.7 90 61 578.6 578.6 319.6 578.7 0.01 51 25 24783 -60.9 -87.9 2 27.0 -61.9 95 66 609.6 609.6 321.0 609.6 0.01 TRP 94 16972 -85.3 -89.0 51 3.7 -85.3 210 34 369.4 369.4 300.5 369.4 0.00 WND 25 24783 -60.9 -87.9 2 27.0 -61.9 95 66 609.6 609.6 321.0 609.6 0.01 Sounding variables and indices 1000-500 mb thick: 5779.00 m Freezing level: 559.27 mb = 5013.35 m = 16447.79 ft Wetbulb zero: 646.44 mb = 3836.51 m = 12586.82 ft Precipitable water: 1.82 inches Sfc-500 mean rel hum: 59.06 % Est. max temperature: 31.17 C = 88.10 F Sfc-Lift cond lev (LCL): 936.87 mb = 693.16 m = 2274.13 ft T: 22.39 C 700-500 lapse rate: 5.33 C/km ThetaE index: 23.69 C Layer 925.0- 700.0 mb Conv cond level (CCL): 887.79 mb = 1160.41 m = 3807.07 ft Mean mixing ratio: 16.12 g/kg Conv temperature: 30.10 C = 86.19 F Cap Strength: 2.10 C Lifted Index: -1.29 C Risk: Thunderstorms probable Lifted Index @300 mb: -2.11 C Lifted Index @700 mb: -0.47 C Showalter Index: 0.76 C Risk: Thunderstorms probable Total Totals Index: 42.20 C Risk: None Vertical Totals Index: 21.90 C Cross Totals Index: 20.30 C K Index: 31.30 Risk: 60-80 % chance of thunderstorms Sweat Index: 237.80 Risk: None Energy Index: -1.96 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 466.06 J/kg Max Up Vert Vel: 30.53 m/s Conv Inhibition (B-): 11.67 J/kg Cap Strength: 1.95 C Lift Cond Lev (LCL): 913.14 mb = 916.71 m = 3007.55 ft Lev Free Conv (LFC): 858.14 mb = 1454.49 m = 4771.90 ft Equ Level (EL): 818.14 mb = 1862.55 m = 6110.64 ft B at Equ Level: 11.45 J/kg Max Parcel Lev (MPL): 788.14 mb = 2180.65 m = 7154.26 ft Wind level data Storm motion: 114 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 60 100 5 -4.9 0.9 | 309 5 3.5 -2.8 1 1000 121 75 17 -16.4 -4.4 | 45 11 -8.0 -8.1 2 979 305 60 21 -18.2 -10.5 | 34 17 -9.7 -14.2 3 946 610 60 29 -25.1 -14.5 | 42 25 -16.7 -18.2 4 925 805 65 27 -24.5 -11.4 | 47 22 -16.0 -15.1 5 913 914 70 27 -25.4 -9.2 | 53 21 -16.9 -12.9 6 850 1537 75 23 -22.2 -6.0 | 55 17 -13.8 -9.7 7 792 2134 85 17 -16.9 -1.5 | 59 10 -8.5 -5.2 8 764 2438 105 20 -19.3 5.2 | 98 11 -10.9 1.5 9 700 3181 125 5 -4.1 2.9 | 281 4 4.3 -0.8 10 612 4267 230 6 4.6 3.9 | 269 13 13.0 0.1 11 589 4572 0 0 -0.0 -0.0 | 294 9 8.4 -3.7 12 500 5900 95 7 -7.0 0.6 | 335 3 1.5 -3.1 13 487 6096 100 8 -7.9 1.4 | 346 2 0.6 -2.3 14 450 6706 110 12 -11.3 4.1 | 98 3 -2.8 0.4 15 400 7620 40 6 -3.9 -4.6 | 331 9 4.6 -8.3 16 368 8230 60 7 -6.1 -3.5 | 342 8 2.4 -7.2 17 339 8839 75 11 -10.6 -2.8 | 18 7 -2.2 -6.6 18 325 9144 45 14 -9.9 -9.9 | 6 14 -1.5 -13.6 19 300 9730 45 19 -13.4 -13.4 | 16 18 -5.0 -17.1 20 299 9754 45 19 -13.4 -13.4 | 16 18 -5.0 -17.1 21 262 10668 115 25 -22.7 10.6 | 116 16 -14.2 6.9 22 250 10990 125 28 -22.9 16.1 | 130 19 -14.5 12.4 23 229 11582 130 38 -29.1 24.4 | 135 29 -20.7 20.7 24 218 11887 140 25 -16.1 19.2 | 154 17 -7.6 15.4 25 209 12192 170 18 -3.1 17.7 | 201 15 5.3 14.0 26 200 12470 245 20 18.1 8.5 | 260 27 26.6 4.7 27 199 12497 235 18 14.7 10.3 | 254 24 23.2 6.6 28 181 13106 275 28 27.9 -2.4 | 280 37 36.3 -6.1 29 150 14280 280 44 43.3 -7.6 | 282 53 51.8 -11.3 30 134 14935 275 46 45.8 -4.0 | 278 55 54.3 -7.7 31 121 15545 275 42 41.8 -3.7 | 278 51 50.3 -7.4 32 100 16630 235 34 27.9 19.5 | 246 40 36.3 15.8 33 98 16764 235 34 27.9 19.5 | 246 40 36.3 15.8 34 94 16972 210 34 17.0 29.4 | 225 36 25.4 25.7 35 92 17069 215 37 21.2 30.3 | 228 40 29.7 26.6 36 87 17374 195 14 3.6 13.5 | 231 16 12.1 9.8 37 83 17678 195 6 1.6 5.8 | 258 10 10.0 2.1 38 78 17983 270 13 13.0 -0.0 | 280 22 21.4 -3.7 39 74 18288 260 10 9.8 1.7 | 276 18 18.3 -2.0 40 70 18593 60 10 -8.7 -5.0 | 1 9 -0.2 -8.7 41 70 18610 355 14 1.2 -13.9 | 331 20 9.7 -17.7 42 67 18898 340 21 7.2 -19.7 | 326 28 15.6 -23.4 43 63 19202 350 13 2.3 -12.8 | 327 20 10.7 -16.5 44 60 19507 325 16 9.2 -13.1 | 314 24 17.6 -16.8 45 57 19812 315 10 7.1 -7.1 | 305 19 15.5 -10.8 46 54 20117 235 10 8.2 5.7 | 263 17 16.6 2.0 47 51 20422 105 13 -12.6 3.4 | 85 4 -4.1 -0.3 48 50 20560 95 23 -22.9 2.0 | 83 15 -14.5 -1.7 49 49 20726 110 18 -16.9 6.2 | 106 9 -8.5 2.4 50 46 21031 85 37 -36.9 -3.2 | 76 29 -28.4 -6.9 51 33 23165 80 63 -62.0 -10.9 | 75 56 -53.6 -14.6 52 30 23650 90 61 -61.0 0.0 | 86 53 -52.6 -3.7 53 25 24783 95 66 -65.7 5.8 | 92 57 -57.3 2.0 54 24 24994 95 66 -65.7 5.8 | 92 57 -57.3 2.0 55 16 26518 95 64 -63.8 5.6 | 92 55 -55.3 1.9 Wind Parameters Mean winds (0-6000m): 83.7 at 12.3 knts Storm direction: 113.7 at 9.2 knts Shear (0-3000m) pos: 4.3 neg: 4.1 tot: 8.4 10-3/s Storm rel Dir Shear (0-3000m): -44.6 deg Storm rel helicity (0-3000m) pos: 83.1 neg: -5.9 tot: 77.2 m^2/s^2 ave: 25.7 10^-3 m/s^2 rel: 0.52 Storm rel vorticity (0-3000m) horiz: 11.1 stream: 5.8 10^-3/s Energy-Hel index: 0.17 Bulk Rich Number: 34.27 Bulk Shear: 13.60 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 64 21 38 16| 0.0 24.8 24.8| 25.4 -5.9 19.4 38.8 0.52| 28.4 14.7 1000 65 24 44 19| 2.8 12.4 15.2| 52.4 -5.9 46.5 46.5 0.55| 17.6 9.7 1500 68 24 47 19| 2.9 8.3 11.1| 55.5 -5.9 49.5 33.0 0.51| 13.0 6.7 2000 70 23 49 18| 3.5 6.2 9.7| 58.6 -5.9 52.6 26.3 0.46| 11.3 5.2 2500 74 22 53 16| 4.3 5.0 9.2| 79.6 -5.9 73.6 29.5 0.52| 11.0 5.8 3000 78 21 56 14| 4.3 4.1 8.4| 83.1 -5.9 77.2 25.7 0.52| 11.1 5.8 4000 82 17 53 10| 4.2 3.1 7.3| 86.4 -8.7 77.7 19.4 0.45| 9.6 4.3 5000 82 14 43 8| 2.6 2.5 5.1|117.3 -9.8 107.4 21.5 0.49| 9.1 4.4 6000 84 12 37 6| 1.9 2.1 4.0|123.7 -9.8 113.9 19.0 0.49| 8.2 4.0 Wrote GIF file: /home/apache/climate/data/raob//SBSN/skewt/SBSN.skewt.20251210.12.gif