UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042812.upa.cvt Date: 1200Z 28 APR 25 Searching for SBSN... Searching the city database file for: SBSN ... Date:1200Z 28 APR 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 25.8 24.8 94 1.0 25.1 190 2 298.4 302.0 298.0 356.5 19.94 1 1000 123 24.8 24.1 96 0.7 24.3 135 3 298.0 301.4 297.5 353.9 19.23 2 925 807 21.6 20.4 93 1.2 20.8 60 9 301.4 304.4 296.7 350.1 16.53 3 908 968 21.4 17.0 76 4.4 18.4 64 9 302.8 305.3 295.0 342.9 13.55 4 850 1539 17.8 16.0 89 1.8 16.6 55 4 304.8 307.3 295.6 345.3 13.58 5 812 1930 15.2 14.7 97 0.5 14.8 94 3 306.0 308.5 295.6 345.2 13.07 6 724 2899 11.2 6.4 72 4.8 8.3 79 17 311.9 313.5 293.7 337.7 8.36 7 700 3181 9.6 5.7 77 3.9 7.3 75 17 313.1 314.7 294.0 338.7 8.24 8 670 3544 8.4 4.4 76 4.0 6.1 88 20 315.7 317.2 294.4 340.4 7.85 9 587 4623 1.2 1.0 99 0.2 1.1 76 22 319.5 320.9 294.8 342.0 7.03 10 561 4986 -0.5 -1.0 96 0.5 -0.8 84 25 321.7 322.9 294.8 342.2 6.35 11 552 5116 -0.9 -5.0 74 4.1 -2.9 87 25 322.7 323.6 293.9 338.3 4.78 12 500 5900 -5.1 -7.7 82 2.6 -6.3 80 26 326.8 327.7 294.6 341.1 4.29 13 487 6107 -5.9 -9.5 76 3.6 -7.5 80 24 328.3 329.1 294.6 341.2 3.82 14 433 7016 -12.9 -13.0 99 0.1 -12.9 75 29 330.6 331.3 294.7 341.8 3.25 15 422 7212 -12.1 -17.1 66 5.0 -13.9 69 24 334.1 334.6 294.9 342.4 2.37 16 415 7340 -12.7 -18.7 61 6.0 -14.8 65 21 334.9 335.4 294.9 342.4 2.11 17 400 7620 -14.9 -18.7 73 3.8 -16.2 70 28 335.6 336.1 295.1 343.4 2.19 18 396 7696 -15.5 -18.7 76 3.2 -16.6 72 27 335.8 336.3 295.2 343.6 2.21 19 329 9074 -24.7 -33.7 43 9.0 -26.4 84 29 341.4 341.6 295.3 344.0 0.67 20 313 9435 -27.9 -33.9 56 6.0 -29.0 90 24 341.9 342.0 295.4 344.5 0.70 21 306 9598 -28.3 -49.3 12 21.0 -30.5 93 21 343.5 343.6 295.3 344.1 0.14 22 300 9740 -29.3 -46.3 18 17.0 -31.2 95 19 344.1 344.1 295.5 344.9 0.20 23 262 10688 -36.5 -53.5 16 17.0 -37.7 111 16 347.1 347.1 296.1 347.5 0.10 24 250 11010 -39.3 -51.3 27 12.0 -40.2 135 17 347.6 347.7 296.3 348.2 0.14 25 244 11176 -40.9 -48.9 42 8.0 -41.5 132 18 347.7 347.7 296.3 348.4 0.18 26 240 11289 -41.7 -56.7 18 15.0 -42.5 130 18 348.1 348.1 296.3 348.4 0.07 27 228 11636 -44.9 -51.9 45 7.0 -45.3 125 19 348.4 348.4 296.4 349.0 0.14 28 211 12150 -49.3 -55.3 49 6.0 -49.6 116 21 349.3 349.3 296.5 349.7 0.10 29 200 12500 -52.5 -60.5 37 8.0 -52.7 125 23 349.6 349.6 296.6 349.9 0.06 30 195 12663 -53.7 -65.7 22 12.0 -53.9 127 24 350.3 350.3 296.7 350.4 0.03 31 184 13032 -56.9 -61.8 54 4.9 -57.0 131 25 350.9 350.9 296.9 351.1 0.05 32 157 14014 -65.1 -69.6 54 4.5 -65.1 125 33 353.3 353.3 297.4 353.4 0.02 33 150 14290 -66.9 -72.9 42 6.0 -67.0 120 36 354.8 354.8 297.7 354.9 0.01 34 146 14454 -67.9 -76.9 27 9.0 -67.9 119 36 355.9 355.9 297.9 355.9 0.01 35 124 15420 -75.9 -79.7 55 3.8 -75.9 80 22 358.3 358.3 298.4 358.4 0.01 36 115 15852 -79.9 -84.2 49 4.3 -79.9 80 19 358.7 358.7 298.4 358.7 0.00 37 100 16640 -82.9 -87.9 42 5.0 -82.9 105 27 367.6 367.6 300.1 367.6 0.00 38 97 16809 -84.1 -89.0 42 4.9 -84.1 110 27 368.4 368.4 300.3 368.4 0.00 39 88 17351 -82.7 -89.7 29 7.0 -82.7 110 31 381.6 381.6 302.5 381.7 0.00 40 85 17549 -74.7 -86.7 14 12.0 -74.7 113 28 401.6 401.6 305.4 401.7 0.00 41 82 17759 -73.3 -88.3 8 15.0 -73.3 169 23 408.7 408.7 306.3 408.7 0.00 42 77 18125 -75.7 -88.7 11 13.0 -75.7 285 20 411.1 411.1 306.6 411.1 0.00 43 70 18680 -73.5 -88.5 8 15.0 -73.6 265 37 427.1 427.1 308.5 427.2 0.00 44 66 19022 -74.5 -89.5 8 15.0 -74.6 258 34 432.2 432.2 309.1 432.2 0.00 45 59 19681 -69.1 -89.1 4 20.0 -69.2 256 21 458.4 458.4 311.6 458.4 0.00 46 50 20670 -68.1 -89.1 3 21.0 -68.3 250 32 483.0 483.0 313.7 483.0 0.00 47 46 21169 -67.7 -89.7 3 22.0 -67.9 254 31 495.6 495.6 314.7 495.6 0.00 48 40 22023 -59.9 -86.9 2 27.0 -60.6 290 28 535.4 535.4 317.2 535.5 0.01 49 35 22847 -63.7 -88.7 2 25.0 -64.2 265 15 546.4 546.4 317.9 546.4 0.00 50 32 23403 -57.5 -86.5 1 29.0 -58.6 253 11 577.1 577.1 319.5 577.2 0.01 51 31 23604 -57.3 -86.3 1 29.0 -58.5 309 15 582.9 582.9 319.8 583.0 0.01 52 30 23810 -57.9 -85.9 2 28.0 -59.0 55 16 586.8 586.8 320.0 586.8 0.01 53 26 24705 -61.5 -87.5 2 26.0 -62.4 95 23 601.1 601.1 320.6 601.1 0.01 TRP 97 16809 -84.1 -89.0 42 4.9 -84.1 110 27 368.4 368.4 300.3 368.4 0.00 WND Sounding variables and indices 1000-500 mb thick: 5777.00 m Freezing level: 568.65 mb = 4879.44 m = 16008.48 ft Wetbulb zero: 572.10 mb = 4829.12 m = 15843.38 ft Precipitable water: 2.34 inches Sfc-500 mean rel hum: 85.52 % Est. max temperature: 32.00 C = 89.61 F Sfc-Lift cond lev (LCL): 992.95 mb = 185.09 m = 607.24 ft T: 24.51 C 700-500 lapse rate: 5.41 C/km ThetaE index: 13.58 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 898.03 mb = 1063.85 m = 3490.29 ft Mean mixing ratio: 17.44 g/kg Conv temperature: 30.58 C = 87.05 F Cap Strength: 1.05 C Lifted Index: -2.60 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.55 C Lifted Index @700 mb: -1.32 C Showalter Index: -0.43 C Risk: Thunderstorms probable Total Totals Index: 44.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.90 C Cross Totals Index: 21.10 C K Index: 35.00 Risk: 60-80 % chance of thunderstorms Sweat Index: 226.00 Risk: None Energy Index: -0.89 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 761.95 J/kg Max Up Vert Vel: 39.04 m/s Conv Inhibition (B-): 15.22 J/kg Cap Strength: 1.01 C Lift Cond Lev (LCL): 939.33 mb = 672.15 m = 2205.18 ft Lev Free Conv (LFC): 854.33 mb = 1495.10 m = 4905.13 ft Equ Level (EL): 184.33 mb = 13020.30 m = 42716.99 ft B at Equ Level: 760.46 J/kg Max Parcel Lev (MPL): 94.33 mb = 16964.87 m = 55658.36 ft Wind level data Storm motion: 112 at 12 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 60 190 2 0.3 2.0 | 282 11 11.2 -2.3 1 1000 123 135 3 -2.1 2.1 | 284 9 8.7 -2.2 2 979 305 65 7 -6.3 -3.0 | 328 9 4.5 -7.2 3 946 610 55 10 -8.2 -5.7 | 345 10 2.6 -10.0 4 925 807 60 9 -7.8 -4.5 | 341 9 3.0 -8.8 5 914 914 65 9 -8.2 -3.8 | 342 9 2.7 -8.1 6 850 1539 55 4 -3.3 -2.3 | 311 10 7.6 -6.6 7 792 2134 115 3 -2.7 1.3 | 290 9 8.1 -3.0 8 764 2438 90 12 -12.0 0.0 | 15 4 -1.2 -4.3 9 711 3048 75 18 -17.4 -4.7 | 36 11 -6.6 -8.9 10 700 3181 75 17 -16.4 -4.4 | 33 10 -5.6 -8.7 11 685 3353 90 21 -21.0 0.0 | 67 11 -10.2 -4.3 12 612 4267 80 18 -17.7 -3.1 | 43 10 -6.9 -7.4 13 589 4572 75 22 -21.3 -5.7 | 46 14 -10.4 -10.0 14 526 5486 95 28 -27.9 2.4 | 84 17 -17.1 -1.8 15 507 5791 75 27 -26.1 -7.0 | 54 19 -15.2 -11.3 16 500 5900 80 26 -25.6 -4.5 | 59 17 -14.8 -8.8 17 487 6096 80 24 -23.6 -4.2 | 57 15 -12.8 -8.4 18 433 7010 75 29 -28.0 -7.5 | 56 21 -17.2 -11.8 19 416 7315 65 21 -19.0 -8.9 | 32 15 -8.2 -13.1 20 400 7620 70 28 -26.3 -9.6 | 48 21 -15.5 -13.8 21 368 8230 85 23 -22.9 -2.0 | 63 14 -12.1 -6.3 22 339 8839 80 32 -31.5 -5.6 | 65 23 -20.7 -9.8 23 300 9740 95 19 -18.9 1.7 | 72 9 -8.1 -2.6 24 263 10668 110 16 -15.0 5.5 | 106 4 -4.2 1.2 25 251 10973 130 17 -13.0 10.9 | 162 7 -2.2 6.7 26 250 11010 135 17 -12.0 12.0 | 171 8 -1.2 7.7 27 209 12192 115 21 -19.0 8.9 | 119 9 -8.2 4.6 28 200 12500 125 23 -18.8 13.2 | 138 12 -8.0 8.9 29 173 13411 135 27 -19.1 19.1 | 151 17 -8.3 14.8 30 150 14290 120 36 -31.2 18.0 | 124 25 -20.3 13.7 31 149 14326 125 38 -31.1 21.8 | 131 27 -20.3 17.5 32 127 15240 80 23 -22.7 -4.0 | 55 14 -11.8 -8.3 33 115 15850 80 19 -18.7 -3.3 | 46 11 -7.9 -7.6 34 109 16154 60 13 -11.3 -6.5 | 2 11 -0.4 -10.8 35 103 16459 100 15 -14.8 2.6 | 67 4 -3.9 -1.7 36 100 16640 105 27 -26.1 7.0 | 100 15 -15.2 2.7 37 98 16764 110 28 -26.3 9.6 | 109 16 -15.5 5.3 38 97 16809 110 27 -25.4 9.2 | 109 15 -14.5 5.0 39 88 17374 110 31 -29.1 10.6 | 109 19 -18.3 6.3 40 83 17678 115 27 -24.5 11.4 | 118 15 -13.6 7.1 41 79 17983 290 13 12.2 -4.4 | 291 25 23.0 -8.7 42 75 18288 280 28 27.6 -4.9 | 283 39 38.4 -9.1 43 71 18593 290 31 29.1 -10.6 | 290 43 40.0 -14.9 44 70 18680 265 37 36.9 3.2 | 271 48 47.7 -1.0 45 67 18898 260 37 36.4 6.4 | 267 47 47.3 2.2 46 61 19507 250 25 23.5 8.6 | 263 35 34.3 4.3 47 58 19812 260 18 17.7 3.1 | 272 29 28.6 -1.1 48 55 20117 275 25 24.9 -2.2 | 280 36 35.7 -6.5 49 50 20670 250 32 30.1 10.9 | 261 41 40.9 6.7 50 50 20726 250 32 30.1 10.9 | 261 41 40.9 6.7 51 45 21336 255 31 29.9 8.0 | 265 41 40.8 3.8 52 41 21946 290 30 28.2 -10.3 | 290 42 39.0 -14.5 53 39 22250 290 24 22.6 -8.2 | 290 36 33.4 -12.5 54 35 22860 265 15 14.9 1.3 | 277 26 25.8 -3.0 55 33 23165 265 16 15.9 1.4 | 276 27 26.8 -2.9 56 32 23470 250 10 9.4 3.4 | 272 20 20.2 -0.9 57 30 23774 20 22 -7.5 -20.7 | 352 25 3.3 -24.9 58 30 23810 55 16 -13.1 -9.2 | 10 14 -2.3 -13.5 59 28 24079 30 19 -9.5 -16.5 | 356 21 1.3 -20.7 60 26 24384 95 22 -21.9 1.9 | 78 11 -11.1 -2.4 61 23 24994 95 40 -39.8 3.5 | 88 29 -29.0 -0.8 Wind Parameters Mean winds (0-6000m): 81.5 at 15.5 knts Storm direction: 111.5 at 11.6 knts Shear (0-3000m) pos: 0.8 neg: 3.8 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): 114.3 deg Storm rel helicity (0-3000m) pos: 29.3 neg: -20.2 tot: 9.1 m^2/s^2 ave: 3.0 10^-3 m/s^2 rel: 0.23 Storm rel vorticity (0-3000m) horiz: 6.7 stream: 1.6 10^-3/s Energy-Hel index: 0.09 Bulk Rich Number: 65.08 Bulk Shear: 11.71 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 69 6 323 8| 0.0 11.3 11.3| 18.2 0.0 18.2 36.5 0.70| 12.8 8.9 1000 64 8 333 9| 1.0 5.6 6.6| 18.8 -3.9 14.9 14.9 0.47| 7.8 3.7 1500 63 7 329 9| 0.7 2.5 3.2| 18.8 -13.2 5.5 3.7 0.18| 6.6 1.2 2000 65 6 323 9| 1.3 1.9 3.2| 18.8 -19.6 -0.8 -0.4 0.03| 5.8 0.2 2500 72 7 324 8| 1.0 3.4 4.4| 26.9 -20.2 6.6 2.7 0.23| 6.9 1.6 3000 75 8 335 7| 0.8 3.8 4.6| 29.3 -20.2 9.1 3.0 0.23| 6.7 1.6 4000 79 11 0 6| 1.1 2.8 3.9| 46.5 -31.2 15.3 3.8 0.23| 6.4 1.5 5000 79 13 18 7| 1.4 2.6 4.0| 69.4 -33.8 35.7 7.1 0.27| 6.2 1.7 6000 82 16 35 8| 1.4 2.2 3.6| 92.2 -74.0 18.2 3.0 0.17| 6.6 1.1 Wrote GIF file: /home/apache/climate/data/raob//SBSN/skewt/SBSN.skewt.20250428.12.gif