UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041700.upa.cvt Date: 0000Z 17 APR 25 Searching for SBSN... Searching the city database file for: SBSN ... Date:0000Z 17 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 1004 60 26.6 22.0 76 4.6 23.3 0 0 299.4 302.5 296.3 348.5 16.81 1 1000 94 27.8 23.0 75 4.8 24.3 0 0 301.0 304.2 297.4 353.8 17.96 2 998 112 28.4 23.5 75 4.9 24.8 5 1 301.7 305.1 298.0 356.5 18.57 3 964 420 27.8 19.8 62 8.0 22.1 64 13 304.1 306.9 296.5 349.5 15.25 4 925 786 25.0 18.0 65 7.0 20.1 75 14 304.9 307.5 296.0 347.2 14.18 5 850 1526 20.4 14.4 68 6.0 16.4 70 19 307.5 309.8 295.4 344.4 12.23 6 759 2492 13.0 10.8 86 2.2 11.6 73 22 309.6 311.7 294.9 342.5 10.79 7 723 2900 10.4 9.1 92 1.3 9.6 74 20 311.1 313.0 294.8 342.1 10.09 8 709 3063 10.2 2.2 58 8.0 5.7 84 19 312.6 313.8 292.4 332.4 6.34 9 705 3110 9.4 7.1 86 2.3 8.0 86 18 312.3 314.0 294.3 340.1 9.02 10 700 3169 9.6 3.6 66 6.0 6.1 90 18 313.1 314.5 293.1 335.3 7.10 11 675 3471 8.6 -2.4 46 11.0 2.9 83 19 315.3 316.2 291.8 330.4 4.75 12 653 3744 7.0 -4.0 45 11.0 1.5 72 21 316.5 317.3 291.8 330.4 4.36 13 649 3794 6.2 4.3 88 1.9 5.1 73 21 316.1 317.7 294.7 341.4 8.05 14 630 4038 6.0 -2.0 56 8.0 1.8 79 23 318.6 319.6 293.2 335.5 5.25 15 601 4422 3.0 0.0 81 3.0 1.4 94 24 319.4 320.7 294.3 339.9 6.38 16 592 4545 3.2 -9.8 38 13.0 -2.6 102 22 321.1 321.7 292.0 331.2 3.07 17 588 4600 2.8 -3.2 65 6.0 -0.3 105 22 321.2 322.2 293.8 337.9 5.14 18 574 4795 3.4 -17.6 20 21.0 -4.6 104 23 324.1 324.5 291.7 329.9 1.67 19 566 4909 2.8 -25.2 11 28.0 -6.1 104 23 324.7 324.9 291.1 327.8 0.87 20 521 5574 -2.1 -23.1 18 21.0 -8.9 101 26 326.6 326.8 291.9 330.7 1.14 21 506 5806 -4.3 -5.5 91 1.2 -4.9 100 27 326.7 327.7 295.1 343.4 5.02 22 502 5869 -4.7 -5.9 91 1.2 -5.3 100 27 326.9 327.9 295.1 343.3 4.91 23 500 5900 -4.5 -6.8 84 2.3 -5.6 100 27 327.6 328.5 295.0 342.9 4.60 24 491 6043 -3.3 -28.3 12 25.0 -10.5 96 28 330.7 330.9 292.7 333.5 0.76 25 481 6205 -4.3 -27.3 15 23.0 -11.1 94 28 331.4 331.6 292.9 334.5 0.85 26 472 6353 -5.5 -12.5 58 7.0 -8.5 92 26 331.8 332.4 294.9 342.4 3.10 27 469 6403 -5.5 -24.5 21 19.0 -11.4 92 25 332.4 332.6 293.4 336.4 1.12 28 466 6453 -6.1 -14.1 53 8.0 -9.4 91 24 332.2 332.8 294.7 341.8 2.76 29 457 6605 -6.9 -23.9 24 17.0 -12.2 90 22 333.1 333.3 293.7 337.5 1.21 30 435 6988 -9.7 -29.7 18 20.0 -14.9 85 17 334.3 334.4 293.6 337.0 0.75 31 425 7167 -10.9 -18.9 52 8.0 -13.7 86 19 335.0 335.4 294.8 342.1 2.02 32 415 7349 -11.1 -37.1 10 26.0 -16.7 88 21 337.0 337.1 293.9 338.5 0.38 33 400 7630 -13.5 -24.5 39 11.0 -16.7 90 24 337.4 337.7 294.8 342.2 1.31 34 398 7668 -13.7 -22.7 47 9.0 -16.5 90 24 337.7 338.0 295.1 343.3 1.55 35 395 7726 -13.1 -38.1 10 25.0 -18.2 91 23 339.2 339.3 294.4 340.6 0.36 36 382 7980 -14.5 -46.5 5 32.0 -19.7 93 21 340.6 340.6 294.6 341.2 0.15 37 320 9295 -25.7 -44.7 15 19.0 -28.2 98 21 342.8 342.8 295.2 343.7 0.22 38 300 9760 -28.9 -56.9 5 28.0 -31.2 90 22 344.6 344.7 295.5 344.9 0.06 39 299 9784 -29.1 -57.1 5 28.0 -31.4 90 22 344.7 344.7 295.5 344.9 0.06 40 284 10147 -32.5 -46.5 24 14.0 -34.0 87 22 344.9 345.0 295.7 345.8 0.21 41 276 10347 -33.7 -55.7 9 22.0 -35.3 85 22 346.0 346.0 295.8 346.3 0.07 42 268 10552 -35.1 -45.1 35 10.0 -36.1 91 23 346.9 347.0 296.2 348.0 0.25 43 250 11030 -39.3 -49.3 34 10.0 -40.1 105 23 347.6 347.7 296.3 348.3 0.17 44 225 11744 -45.9 -50.9 57 5.0 -46.2 108 27 348.2 348.2 296.4 348.8 0.16 45 221 11864 -46.9 -51.9 57 5.0 -47.1 109 27 348.4 348.4 296.4 349.0 0.14 46 219 11924 -47.3 -52.0 58 4.7 -47.6 109 28 348.7 348.7 296.5 349.3 0.14 47 201 12488 -51.9 -56.9 55 5.0 -52.1 119 25 350.1 350.1 296.7 350.5 0.09 48 200 12520 -52.1 -58.1 48 6.0 -52.3 120 25 350.3 350.3 296.8 350.6 0.07 49 194 12716 -53.5 -66.5 19 13.0 -53.8 125 23 351.1 351.1 296.9 351.2 0.03 50 183 13088 -55.9 -64.9 32 9.0 -56.1 136 19 353.1 353.1 297.3 353.2 0.03 51 180 13192 -56.9 -60.4 64 3.5 -57.0 138 18 353.1 353.2 297.4 353.4 0.06 52 170 13551 -59.1 -69.1 26 10.0 -59.2 147 13 355.3 355.3 297.8 355.4 0.02 53 156 14082 -64.1 -77.1 15 13.0 -64.2 115 9 355.6 355.6 297.8 355.7 0.01 54 150 14320 -66.1 -77.1 20 11.0 -66.2 25 2 356.2 356.2 298.0 356.2 0.01 55 136 14908 -70.9 -79.9 25 9.0 -70.9 26 5 357.8 357.8 298.2 357.9 0.00 56 100 16680 -82.3 -87.3 42 5.0 -82.3 280 20 368.7 368.7 300.4 368.7 0.00 57 88 17388 -87.5 -91.6 46 4.1 -87.5 260 14 372.0 372.0 300.9 372.0 0.00 58 79 17986 -82.1 -90.1 24 8.0 -82.1 194 11 394.8 394.8 304.5 394.9 0.00 59 74 18363 -71.7 -88.7 6 17.0 -71.8 263 23 424.2 424.2 308.2 424.2 0.00 60 70 18690 -74.3 -89.3 8 15.0 -74.3 255 32 425.4 425.4 308.3 425.4 0.00 61 64 19207 -77.5 -90.5 11 13.0 -77.6 255 25 429.4 429.5 308.8 429.5 0.00 62 55 20098 -67.1 -89.1 3 22.0 -67.3 314 11 472.3 472.3 312.8 472.3 0.00 63 51 20551 -68.7 -89.7 3 21.0 -68.9 295 23 478.9 478.9 313.4 478.9 0.00 64 50 20670 -68.5 -89.5 3 21.0 -68.7 290 26 482.1 482.1 313.6 482.1 0.00 65 43 21577 -66.3 -89.3 3 23.0 -66.6 274 22 508.7 508.7 315.5 508.7 0.00 66 33 23170 -68.7 -91.7 2 23.0 -69.0 230 15 542.4 542.4 317.6 542.4 0.00 67 30 23750 -61.3 -89.3 1 28.0 -62.1 305 18 577.5 577.5 319.5 577.6 0.00 68 27 24407 -59.3 -88.3 1 29.0 -60.4 302 19 600.8 600.8 320.6 600.8 0.01 69 26 24643 -59.5 -88.5 1 29.0 -60.6 292 21 606.8 606.8 320.9 606.8 0.01 70 22 25713 -49.7 -83.7 1 34.0 -53.0 111 11 665.7 665.7 323.3 665.8 0.02 71 21 26017 -49.9 -82.9 1 33.0 -53.3 102 12 674.0 674.0 323.6 674.1 0.02 TRP 88 17388 -87.5 -91.6 46 4.1 -87.5 260 14 372.0 372.0 300.9 372.0 0.00 WND Sounding variables and indices 1000-500 mb thick: 5806.00 m Freezing level: 540.29 mb = 5289.31 m = 17353.17 ft Wetbulb zero: 597.91 mb = 4464.26 m = 14646.34 ft Precipitable water: 1.91 inches Sfc-500 mean rel hum: 60.62 % Est. max temperature: 34.57 C = 94.23 F Sfc-Lift cond lev (LCL): 939.23 mb = 650.83 m = 2135.23 ft T: 26.04 C 700-500 lapse rate: 5.16 C/km ThetaE index: 24.11 C Layer 964.0- 705.0 mb Conv cond level (CCL): 809.57 mb = 1941.89 m = 6370.97 ft Mean mixing ratio: 15.43 g/kg Conv temperature: 35.65 C = 96.17 F Cap Strength: 2.99 C Lifted Index: -1.50 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.44 C Lifted Index @700 mb: -0.97 C Showalter Index: 0.52 C Risk: Thunderstorms probable Total Totals Index: 43.80 C Risk: None Vertical Totals Index: 24.90 C Cross Totals Index: 18.90 C K Index: 33.30 Risk: 60-80 % chance of thunderstorms Sweat Index: 237.80 Risk: None Energy Index: -0.35 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 176.76 J/kg Max Up Vert Vel: 18.80 m/s Conv Inhibition (B-): 94.83 J/kg Cap Strength: 2.99 C Lift Cond Lev (LCL): 863.44 mb = 1388.76 m = 4556.24 ft Lev Free Conv (LFC): 768.44 mb = 2386.82 m = 7830.68 ft Equ Level (EL): 578.44 mb = 4732.88 m = 15527.64 ft B at Equ Level: 89.12 J/kg Max Parcel Lev (MPL): 158.44 mb = 13986.17 m = 45885.82 ft Wind level data Storm motion: 114 at 15 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 0 0 -0.0 -0.0 | 294 15 13.9 -6.3 1 1000 94 0 0 -0.0 -0.0 | 294 15 13.9 -6.3 2 977 305 60 13 -11.3 -6.5 | 348 13 2.6 -12.8 3 944 610 70 14 -13.2 -4.8 | 356 11 0.7 -11.1 4 925 786 75 14 -13.5 -3.6 | 358 10 0.3 -9.9 5 912 914 75 16 -15.5 -4.1 | 9 11 -1.6 -10.4 6 850 1526 70 19 -17.9 -6.5 | 17 13 -4.0 -12.8 7 791 2134 75 21 -20.3 -5.4 | 29 13 -6.4 -11.7 8 763 2438 75 22 -21.3 -5.7 | 32 14 -7.4 -12.0 9 736 2743 65 21 -19.0 -8.9 | 19 16 -5.2 -15.2 10 700 3169 90 18 -18.0 0.0 | 33 8 -4.1 -6.3 11 684 3353 90 18 -18.0 0.0 | 33 8 -4.1 -6.3 12 659 3658 70 20 -18.8 -6.8 | 21 14 -4.9 -13.1 13 611 4267 85 25 -24.9 -2.2 | 52 14 -11.0 -8.5 14 589 4572 105 22 -21.3 5.7 | 85 7 -7.4 -0.6 15 500 5900 100 27 -26.6 4.7 | 83 13 -12.7 -1.6 16 488 6096 95 29 -28.9 2.5 | 76 15 -15.0 -3.8 17 433 7010 85 17 -16.9 -1.5 | 21 8 -3.1 -7.8 18 400 7630 90 24 -24.0 0.0 | 58 12 -10.1 -6.3 19 369 8230 95 19 -18.9 1.7 | 47 7 -5.1 -4.6 20 340 8839 105 21 -20.3 5.4 | 82 6 -6.4 -0.9 21 300 9760 90 22 -22.0 0.0 | 52 10 -8.1 -6.3 22 275 10363 85 22 -21.9 -1.9 | 44 12 -8.0 -8.2 23 252 10973 105 25 -24.1 6.5 | 91 10 -10.3 0.2 24 250 11030 105 23 -22.2 6.0 | 88 8 -8.3 -0.3 25 210 12192 110 29 -27.3 9.9 | 105 14 -13.4 3.6 26 200 12520 120 25 -21.7 12.5 | 129 10 -7.8 6.2 27 173 13411 145 15 -8.6 12.3 | 221 8 5.3 6.0 28 165 13716 150 11 -5.5 9.5 | 249 9 8.4 3.2 29 157 14021 135 10 -7.1 7.1 | 264 7 6.8 0.8 30 150 14320 25 2 -0.8 -1.8 | 302 15 13.0 -8.1 31 150 14326 55 2 -1.6 -1.1 | 301 14 12.2 -7.4 32 109 16154 320 13 8.4 -10.0 | 306 28 22.2 -16.3 33 100 16680 280 20 19.7 -3.5 | 286 35 33.6 -9.8 34 93 17069 280 20 19.7 -3.5 | 286 35 33.6 -9.8 35 88 17388 260 14 13.8 2.4 | 278 28 27.7 -3.9 36 84 17678 270 16 16.0 -0.0 | 282 31 29.9 -6.3 37 79 17983 190 11 1.9 10.8 | 254 16 15.8 4.5 38 75 18288 260 19 18.7 3.3 | 275 33 32.6 -3.0 39 71 18593 270 33 33.0 -0.0 | 278 47 46.9 -6.3 40 70 18690 255 32 30.9 8.3 | 267 45 44.8 2.0 41 68 18898 260 36 35.5 6.3 | 270 49 49.3 -0.0 42 64 19202 255 25 24.1 6.5 | 270 38 38.0 0.2 43 58 19812 270 21 21.0 -0.0 | 280 35 34.9 -6.3 44 55 20117 315 11 7.8 -7.8 | 303 26 21.6 -14.1 45 50 20670 290 26 24.4 -8.9 | 292 41 38.3 -15.2 46 50 20726 305 28 22.9 -16.1 | 301 43 36.8 -22.4 47 45 21336 285 22 21.3 -5.7 | 289 37 35.1 -12.0 48 38 22250 245 21 19.0 8.9 | 266 33 32.9 2.6 49 37 22555 275 19 18.9 -1.7 | 284 34 32.8 -8.0 50 33 23165 230 15 11.5 9.6 | 262 26 25.4 3.3 51 31 23470 235 12 9.8 6.9 | 269 24 23.7 0.6 52 30 23750 305 18 14.7 -10.3 | 300 33 28.6 -16.6 53 30 23774 285 10 9.7 -2.6 | 291 25 23.5 -8.9 54 28 24079 310 17 13.0 -10.9 | 303 32 26.9 -17.2 55 26 24384 290 21 19.7 -7.2 | 292 36 33.6 -13.5 56 24 24689 250 15 14.1 5.1 | 272 28 28.0 -1.2 57 22 24994 115 11 -10.0 4.6 | 293 4 3.9 -1.7 58 21 25298 100 12 -11.8 2.1 | 334 5 2.1 -4.2 59 18 25908 85 43 -42.8 -3.7 | 71 31 -29.0 -10.0 60 17 26213 100 41 -40.4 7.1 | 92 27 -26.5 0.8 Wind Parameters Mean winds (0-6000m): 84.4 at 20.3 knts Storm direction: 114.4 at 15.2 knts Shear (0-3000m) pos: 2.8 neg: 0.7 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 95.2 deg Storm rel helicity (0-3000m) pos: 91.3 neg: -11.9 tot: 79.4 m^2/s^2 ave: 26.5 10^-3 m/s^2 rel: 0.60 Storm rel vorticity (0-3000m) horiz: 6.4 stream: 3.8 10^-3/s Energy-Hel index: 0.09 Bulk Rich Number: 9.38 Bulk Shear: 18.84 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 63 10 333 12| 14.2 0.0 14.2| 59.9 0.0 59.9 119.9 0.92| 17.4 16.0 1000 69 12 347 11| 8.6 0.0 8.6| 68.2 0.0 68.2 68.2 0.88| 10.9 9.6 1500 70 14 357 11| 5.7 0.9 6.6| 72.8 0.0 72.8 48.6 0.84| 8.2 6.9 2000 71 16 5 11| 4.7 0.7 5.4| 80.6 0.0 80.6 40.3 0.85| 6.7 5.7 2500 72 17 11 12| 3.8 0.8 4.6| 83.6 -4.6 79.1 31.6 0.76| 5.9 4.5 3000 72 17 13 12| 2.8 0.7 3.5| 91.3 -11.9 79.4 26.5 0.60| 6.4 3.8 4000 74 18 17 12| 2.6 0.8 3.4|110.7 -18.7 92.0 23.0 0.50| 6.6 3.3 5000 80 19 27 11| 2.3 0.7 3.0|136.6 -18.9 117.7 23.5 0.53| 6.6 3.5 6000 84 20 37 10| 1.9 1.1 3.0|136.6 -25.0 111.6 18.6 0.46| 6.0 2.8 Wrote GIF file: /home/apache/climate/data/raob//SBSN/skewt/SBSN.skewt.20250417.00.gif