UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121000.upa.cvt Date: 0000Z 10 DEC 25 Searching for SBSN... Searching the city database file for: SBSN ... Date:0000Z 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 1004 60 30.0 24.0 70 6.0 25.6 130 2 302.8 306.3 298.5 359.3 19.03 1 1000 96 29.8 22.8 66 7.0 24.6 130 2 303.0 306.2 297.8 355.6 17.74 2 960 461 28.2 19.2 58 9.0 21.8 75 22 304.9 307.6 296.4 348.9 14.74 3 925 790 25.8 16.8 58 9.0 19.6 75 24 305.7 308.1 295.5 345.0 13.12 4 850 1529 19.6 13.6 68 6.0 15.6 65 27 306.7 308.8 294.7 341.6 11.60 5 774 2328 13.4 11.4 88 2.0 12.1 60 22 308.3 310.4 294.7 341.7 11.01 6 767 2405 13.8 7.8 67 6.0 10.1 60 21 309.6 311.2 293.3 336.2 8.69 7 730 2821 12.2 3.2 54 9.0 7.1 64 20 312.2 313.5 292.4 332.8 6.61 8 700 3173 10.6 0.6 50 10.0 5.1 85 9 314.2 315.3 292.3 332.2 5.72 9 698 3197 10.6 1.6 54 9.0 5.6 84 9 314.5 315.7 292.7 333.9 6.17 10 651 3772 6.0 1.0 70 5.0 3.2 27 2 315.6 316.8 293.2 335.6 6.33 11 609 4316 4.2 -12.8 28 17.0 -2.9 245 6 319.6 320.1 291.0 327.4 2.34 12 587 4614 2.0 -12.0 35 14.0 -3.9 253 10 320.4 320.9 291.5 329.1 2.60 13 584 4655 1.4 -4.6 64 6.0 -1.6 258 9 320.2 321.1 293.2 335.3 4.66 14 572 4822 0.4 -3.9 73 4.3 -1.8 278 7 320.9 321.9 293.6 337.2 5.02 15 535 5355 -2.7 -7.7 68 5.0 -5.0 343 2 323.4 324.2 293.5 336.7 4.01 16 528 5459 -3.1 -6.9 75 3.8 -4.9 356 0 324.2 325.0 293.9 338.5 4.32 17 517 5626 -3.3 -17.3 33 14.0 -8.4 10 2 325.9 326.3 292.4 332.4 1.90 18 506 5796 -3.9 -19.9 28 16.0 -9.4 23 5 327.2 327.5 292.4 332.6 1.56 19 500 5890 -4.5 -17.5 35 13.0 -9.2 30 6 327.6 327.9 292.9 334.3 1.93 20 465 6460 -7.3 -13.3 62 6.0 -9.8 54 5 330.9 331.5 294.6 341.1 2.95 21 454 6647 -8.1 -17.1 48 9.0 -11.4 43 5 332.2 332.7 294.3 339.9 2.20 22 420 7248 -12.7 -19.7 56 7.0 -15.0 7 7 333.8 334.2 294.4 340.6 1.91 23 400 7620 -15.1 -26.1 39 11.0 -18.1 345 8 335.4 335.6 294.2 339.5 1.14 24 375 8105 -18.3 -38.3 16 20.0 -21.9 4 9 337.4 337.5 294.0 338.8 0.37 25 354 8533 -20.9 -34.9 27 14.0 -23.6 71 17 339.5 339.6 294.7 341.6 0.56 26 311 9474 -29.5 -35.5 56 6.0 -30.4 110 17 340.3 340.4 294.9 342.6 0.60 27 300 9730 -31.3 -41.3 37 10.0 -32.6 105 20 341.3 341.3 295.0 342.6 0.34 28 268 10516 -37.5 -56.5 12 19.0 -38.7 123 24 343.4 343.4 295.2 343.7 0.07 29 250 10990 -41.3 -60.3 11 19.0 -42.2 115 26 344.7 344.7 295.5 344.9 0.05 30 239 11295 -43.5 -64.5 8 21.0 -44.3 115 25 345.8 345.8 295.7 345.9 0.03 31 220 11847 -48.5 -55.5 44 7.0 -48.8 121 28 346.4 346.4 295.9 346.8 0.09 32 209 12184 -50.7 -65.7 15 15.0 -51.1 125 30 348.1 348.1 296.3 348.2 0.03 33 203 12373 -51.7 -61.7 29 10.0 -52.0 131 38 349.4 349.4 296.5 349.6 0.05 34 200 12470 -52.3 -66.3 17 14.0 -52.6 135 42 349.9 350.0 296.7 350.1 0.03 35 189 12833 -55.1 -73.1 9 18.0 -55.4 145 45 351.1 351.1 296.9 351.2 0.01 36 177 13250 -56.3 -78.3 5 22.0 -56.6 141 26 355.8 355.8 297.9 355.8 0.00 37 150 14280 -64.7 -78.7 13 14.0 -64.8 275 12 358.6 358.6 298.4 358.6 0.01 38 124 15417 -74.9 -79.6 48 4.7 -74.9 262 27 360.2 360.2 298.7 360.2 0.01 39 110 16104 -80.7 -86.7 36 6.0 -80.7 269 39 361.8 361.8 299.1 361.8 0.00 40 101 16584 -82.1 -88.1 35 6.0 -82.1 239 36 368.1 368.1 300.2 368.1 0.00 41 100 16640 -82.3 -88.3 35 6.0 -82.3 235 36 368.7 368.7 300.4 368.7 0.00 42 81 17809 -81.9 -89.9 24 8.0 -81.9 230 13 392.4 392.4 304.2 392.4 0.00 43 71 18533 -86.5 -91.5 40 5.0 -86.5 165 13 397.7 397.7 304.9 397.7 0.00 44 70 18610 -85.5 -91.5 33 6.0 -85.5 115 12 401.5 401.5 305.4 401.5 0.00 45 60 19487 -73.1 -88.1 8 15.0 -73.2 4 12 447.3 447.3 310.6 447.3 0.00 46 55 19994 -75.5 -90.5 8 15.0 -75.6 319 13 453.1 453.1 311.1 453.1 0.00 47 50 20550 -73.1 -91.1 5 18.0 -73.2 95 24 471.2 471.2 312.7 471.2 0.00 48 43 21447 -67.3 -91.3 2 24.0 -67.5 94 38 506.3 506.3 315.4 506.3 0.00 49 35 22692 -66.3 -92.3 1 26.0 -66.7 93 51 539.6 539.6 317.5 539.6 0.00 50 32 23241 -61.9 -91.9 1 30.0 -62.6 85 60 565.4 565.4 318.9 565.4 0.00 51 30 23640 -61.9 -91.9 1 30.0 -62.6 80 66 575.9 575.9 319.5 575.9 0.00 52 26 24538 -56.1 -90.8 1 34.7 -57.7 90 69 616.4 616.4 321.3 616.5 0.00 53 25 24788 -54.5 -90.5 0 36.0 -56.5 90 69 628.0 628.0 321.8 628.0 0.00 TRP 71 18533 -86.5 -91.5 40 5.0 -86.5 165 13 397.7 397.7 304.9 397.7 0.00 WND 26 24538 -56.1 -90.8 1 34.7 -57.7 90 69 616.4 616.4 321.3 616.5 0.00 Sounding variables and indices 1000-500 mb thick: 5794.00 m Freezing level: 567.23 mb = 4890.77 m = 16045.63 ft Wetbulb zero: 628.65 mb = 4056.90 m = 13309.87 ft Precipitable water: 1.85 inches Sfc-500 mean rel hum: 60.04 % Est. max temperature: 33.83 C = 92.89 F Sfc-Lift cond lev (LCL): 920.88 mb = 829.03 m = 2719.87 ft T: 25.47 C 700-500 lapse rate: 5.56 C/km ThetaE index: 17.69 C Layer 1000.0- 774.0 mb Conv cond level (CCL): 812.30 mb = 1916.10 m = 6286.36 ft Mean mixing ratio: 14.78 g/kg Conv temperature: 34.70 C = 94.46 F Cap Strength: 1.92 C Lifted Index: -1.18 C Risk: Thunderstorms probable Lifted Index @300 mb: -2.32 C Lifted Index @700 mb: 0.33 C Showalter Index: 1.63 C Risk: Showers probable Total Totals Index: 42.20 C Risk: None Vertical Totals Index: 24.10 C Cross Totals Index: 18.10 C K Index: 27.70 Risk: 40-60 % chance of thunderstorms Sweat Index: 223.20 Risk: None Energy Index: -1.40 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 502.76 J/kg Max Up Vert Vel: 31.71 m/s Conv Inhibition (B-): 59.72 J/kg Cap Strength: 1.92 C Lift Cond Lev (LCL): 844.33 mb = 1586.15 m = 5203.85 ft Lev Free Conv (LFC): 789.33 mb = 2160.86 m = 7089.36 ft Equ Level (EL): 759.33 mb = 2489.60 m = 8167.90 ft B at Equ Level: 15.12 J/kg Max Parcel Lev (MPL): 139.33 mb = 14720.85 m = 48296.16 ft Wind level data Storm motion: 97 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 1004 60 130 2 -1.5 1.3 | 269 8 8.3 0.1 1 1000 96 130 2 -1.5 1.3 | 269 8 8.3 0.1 2 977 305 75 21 -20.3 -5.4 | 58 12 -10.5 -6.6 3 944 610 75 22 -21.3 -5.7 | 59 13 -11.4 -6.9 4 925 790 75 24 -23.2 -6.2 | 61 15 -13.4 -7.4 5 912 914 75 25 -24.1 -6.5 | 62 16 -14.3 -7.6 6 850 1524 65 27 -24.5 -11.4 | 49 19 -14.7 -12.6 7 850 1529 65 27 -24.5 -11.4 | 49 19 -14.7 -12.6 8 791 2134 60 23 -19.9 -11.5 | 39 16 -10.1 -12.7 9 763 2438 60 21 -18.2 -10.5 | 36 14 -8.4 -11.7 10 736 2743 60 22 -19.1 -11.0 | 37 15 -9.2 -12.2 11 710 3048 75 12 -11.6 -3.1 | 23 5 -1.8 -4.3 12 700 3173 85 9 -9.0 -0.8 | 337 2 0.8 -1.9 13 659 3658 55 1 -0.8 -0.6 | 281 9 9.0 -1.7 14 611 4267 245 6 5.4 2.5 | 265 15 15.2 1.4 15 589 4572 250 10 9.4 3.4 | 263 19 19.2 2.3 16 526 5486 0 0 -0.0 -0.0 | 277 10 9.8 -1.2 17 500 5890 30 6 -3.0 -5.2 | 313 9 6.8 -6.4 18 487 6096 75 4 -3.9 -1.0 | 290 6 5.9 -2.2 19 400 7620 345 8 2.1 -7.7 | 307 15 11.9 -8.9 20 368 8230 10 9 -1.6 -8.9 | 321 13 8.2 -10.0 21 353 8534 75 17 -16.4 -4.4 | 50 9 -6.6 -5.6 22 325 9144 90 15 -15.0 0.0 | 77 5 -5.2 -1.2 23 312 9449 110 17 -16.0 5.8 | 127 8 -6.2 4.7 24 300 9730 105 20 -19.3 5.2 | 113 10 -9.5 4.0 25 299 9754 100 18 -17.7 3.1 | 104 8 -7.9 2.0 26 286 10058 105 20 -19.3 5.2 | 113 10 -9.5 4.0 27 274 10363 125 23 -18.8 13.2 | 143 15 -9.0 12.0 28 250 10990 115 26 -23.6 11.0 | 126 17 -13.8 9.8 29 239 11278 115 25 -22.7 10.6 | 126 16 -12.8 9.4 30 209 12192 125 30 -24.6 17.2 | 137 22 -14.8 16.0 31 200 12470 135 42 -29.7 29.7 | 145 35 -19.9 28.5 32 190 12802 145 46 -26.4 37.7 | 156 40 -16.6 36.5 33 172 13411 140 18 -11.6 13.8 | 172 13 -1.8 12.6 34 164 13716 140 13 -8.4 10.0 | 189 9 1.5 8.8 35 156 14021 210 3 1.5 2.6 | 263 11 11.3 1.4 36 150 14280 275 12 12.0 -1.0 | 276 22 21.8 -2.2 37 149 14326 275 10 10.0 -0.9 | 276 20 19.8 -2.0 38 127 15240 260 25 24.6 4.3 | 265 35 34.4 3.2 39 109 16154 270 40 40.0 -0.0 | 271 50 49.8 -1.2 40 100 16640 235 36 29.5 20.6 | 244 44 39.3 19.5 41 98 16764 235 36 29.5 20.6 | 244 44 39.3 19.5 42 93 17069 225 41 29.0 29.0 | 234 48 38.8 27.8 43 88 17374 195 21 5.4 20.3 | 219 24 15.2 19.1 44 83 17678 205 12 5.1 10.9 | 237 18 14.9 9.7 45 78 17983 265 14 13.9 1.2 | 270 24 23.8 0.1 46 71 18533 165 13 -3.4 12.6 | 209 13 6.4 11.4 47 70 18593 205 14 5.9 12.7 | 234 19 15.7 11.5 48 70 18610 115 12 -10.9 5.1 | 165 4 -1.1 3.9 49 67 18898 165 13 -3.4 12.6 | 209 13 6.4 11.4 50 63 19202 320 10 6.4 -7.7 | 299 18 16.2 -8.8 51 60 19507 5 12 -1.0 -12.0 | 326 16 8.8 -13.1 52 57 19812 325 17 9.8 -13.9 | 308 25 19.6 -15.1 53 54 20117 315 11 7.8 -7.8 | 297 20 17.6 -8.9 54 51 20422 105 12 -11.6 3.1 | 138 3 -1.8 1.9 55 50 20550 95 24 -23.9 2.1 | 94 14 -14.1 0.9 56 49 20726 90 22 -22.0 0.0 | 85 12 -12.2 -1.2 57 46 21031 105 31 -29.9 8.0 | 109 21 -20.1 6.9 58 42 21641 90 41 -41.0 0.0 | 88 31 -31.2 -1.2 59 36 22555 95 49 -48.8 4.3 | 95 39 -39.0 3.1 60 30 23640 80 66 -65.0 -11.5 | 77 57 -55.2 -12.6 61 29 23774 80 66 -65.0 -11.5 | 77 57 -55.2 -12.6 62 26 24538 90 69 -69.0 0.0 | 89 59 -59.2 -1.2 63 25 24689 90 69 -69.0 0.0 | 89 59 -59.2 -1.2 64 22 25298 90 66 -66.0 0.0 | 89 56 -56.2 -1.2 Wind Parameters Mean winds (0-6000m): 66.7 at 13.2 knts Storm direction: 96.7 at 9.9 knts Shear (0-3000m) pos: 1.8 neg: 3.6 tot: 5.4 10-3/s Storm rel Dir Shear (0-3000m): 112.1 deg Storm rel helicity (0-3000m) pos: 5.4 neg: -52.4 tot: -47.0 m^2/s^2 ave: -15.7 10^-3 m/s^2 rel: -0.54 Storm rel vorticity (0-3000m) horiz: 9.3 stream: -5.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 278.87 Bulk Shear: 1.80 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 77 16 50 7| 0.0 21.4 21.4| 0.6 -12.8 -12.1 -24.3 -0.75| 28.9-21.5 1000 75 20 57 11| 0.0 12.6 12.6| 3.3 -16.3 -13.0 -13.0 -0.65| 16.6-10.8 1500 73 22 55 14| 0.0 8.9 8.9| 3.3 -31.4 -28.2 -18.8 -0.67| 12.4 -8.3 2000 70 23 52 15| 0.0 5.9 5.9| 3.3 -44.4 -41.2 -20.6 -0.67| 10.3 -6.9 2500 68 23 49 15| 0.0 4.3 4.3| 3.8 -49.2 -45.4 -18.2 -0.65| 8.8 -5.8 3000 67 22 47 14| 1.8 3.6 5.4| 5.4 -52.4 -47.0 -15.7 -0.54| 9.3 -5.0 4000 67 17 39 10| 1.4 1.5 2.9| 9.7 -66.2 -56.6 -14.1 -0.51| 9.2 -4.7 5000 67 15 31 8| 0.2 0.7 0.9| 42.8 -88.3 -45.5 -9.1 -0.39| 9.3 -3.6 6000 67 13 20 7| 0.6 0.6 1.2| 57.8 -96.6 -38.8 -6.5 -0.31| 8.9 -2.8 Wrote GIF file: /home/apache/climate/data/raob//SBSN/skewt/SBSN.skewt.20251210.00.gif