UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041800.upa.cvt Date: 0000Z 18 APR 25 Searching for SBSN... Searching the city database file for: SBSN ... Date:0000Z 18 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 27.4 23.0 77 4.4 24.2 110 1 300.2 303.5 297.2 352.7 17.89 1 1000 94 28.4 24.2 78 4.2 25.3 110 1 301.5 305.1 298.4 358.7 19.35 2 998 112 28.8 24.6 78 4.2 25.7 106 2 302.1 305.8 298.9 361.0 19.88 3 925 787 24.6 21.9 85 2.7 22.6 85 16 304.5 307.8 298.4 358.7 18.17 4 901 1018 23.0 21.0 89 2.0 21.6 89 18 305.1 308.4 298.3 357.9 17.64 5 850 1526 20.4 15.4 73 5.0 17.0 85 20 307.5 310.0 296.0 346.9 13.06 6 788 2175 16.2 9.2 63 7.0 11.8 80 23 309.8 311.5 293.9 338.2 9.31 7 754 2549 13.2 9.0 76 4.2 10.6 83 25 310.4 312.2 294.3 339.9 9.60 8 726 2867 12.2 6.2 67 6.0 8.6 90 26 312.7 314.3 293.9 338.2 8.22 9 721 2925 12.0 3.0 54 9.0 6.9 92 26 313.1 314.4 292.7 333.7 6.60 10 704 3125 12.6 -10.4 19 23.0 2.3 95 27 315.9 316.4 290.0 324.0 2.46 11 700 3173 12.2 -11.8 17 24.0 1.8 95 27 316.0 316.4 289.8 323.3 2.21 12 677 3452 11.2 -19.8 10 31.0 -0.3 93 23 317.9 318.1 289.3 321.9 1.17 13 657 3702 10.0 -5.0 34 15.0 2.5 92 20 319.3 320.1 292.3 332.4 4.01 14 627 4088 6.8 0.8 66 6.0 3.4 90 17 319.9 321.2 294.5 340.7 6.48 15 595 4516 4.0 -8.0 41 12.0 -1.6 90 22 321.5 322.2 292.6 333.1 3.52 16 553 5107 0.0 -6.0 64 6.0 -2.9 95 25 323.6 324.5 293.9 338.1 4.42 17 540 5297 -0.5 -16.5 29 16.0 -6.6 99 25 325.2 325.6 292.2 331.9 1.95 18 522 5568 -1.7 -25.7 14 24.0 -9.0 105 24 326.9 327.1 291.7 330.2 0.90 19 500 5910 -3.1 -22.1 21 19.0 -9.4 110 23 329.3 329.5 292.7 333.9 1.30 20 481 6216 -4.5 -34.5 8 30.0 -11.8 106 22 331.2 331.3 292.4 332.8 0.43 21 413 7397 -13.5 -31.5 20 18.0 -17.7 102 24 334.4 334.5 293.5 336.9 0.66 22 400 7640 -14.7 -38.7 11 24.0 -19.3 100 22 335.9 336.0 293.6 337.2 0.34 23 335 8960 -22.3 -53.3 4 31.0 -25.8 93 32 343.0 343.0 295.1 343.3 0.08 24 333 9004 -22.1 -60.1 2 38.0 -25.8 93 32 343.8 343.8 295.3 344.0 0.03 25 300 9760 -28.7 -47.7 14 19.0 -30.8 90 23 344.9 345.0 295.7 345.6 0.17 26 284 10151 -32.5 -46.5 24 14.0 -34.0 87 20 344.9 345.0 295.7 345.8 0.21 27 250 11040 -39.1 -66.1 4 27.0 -40.2 95 27 347.9 347.9 296.2 348.0 0.02 28 249 11067 -39.3 -66.3 4 27.0 -40.4 95 27 348.0 348.0 296.2 348.1 0.02 29 223 11808 -45.7 -59.7 19 14.0 -46.3 100 28 349.4 349.4 296.5 349.6 0.05 30 200 12520 -51.5 -68.5 11 17.0 -51.9 100 24 351.2 351.2 296.9 351.3 0.02 31 154 14170 -64.9 -72.9 32 8.0 -65.0 336 8 355.6 355.6 297.8 355.7 0.01 32 152 14249 -65.5 -74.5 28 9.0 -65.5 313 7 355.9 355.9 297.9 355.9 0.01 33 150 14330 -65.7 -75.7 24 10.0 -65.8 290 6 356.9 356.9 298.1 356.9 0.01 34 101 16634 -81.3 -90.3 20 9.0 -81.3 216 4 369.6 369.6 300.5 369.6 0.00 35 100 16690 -81.5 -90.5 20 9.0 -81.5 195 2 370.3 370.3 300.6 370.3 0.00 36 90 17275 -85.3 -91.3 33 6.0 -85.3 115 7 374.0 374.0 301.2 374.0 0.00 37 80 17929 -80.9 -88.9 25 8.0 -80.9 83 3 395.9 395.9 304.6 395.9 0.00 38 78 18072 -81.5 -89.5 24 8.0 -81.5 110 5 397.5 397.5 304.9 397.5 0.00 39 70 18680 -80.5 -89.5 21 9.0 -80.5 265 18 412.2 412.2 306.8 412.2 0.00 40 66 19014 -80.9 -91.9 14 11.0 -80.9 271 14 418.3 418.3 307.5 418.3 0.00 41 63 19283 -73.1 -90.1 6 17.0 -73.2 275 19 441.1 441.1 310.0 441.1 0.00 42 58 19775 -68.7 -90.7 3 22.0 -68.9 296 34 461.6 461.6 311.9 461.6 0.00 43 58 19775 -69.1 -91.1 3 22.0 -69.2 296 34 460.7 460.7 311.8 460.7 0.00 44 50 20670 -67.3 -90.3 2 23.0 -67.5 240 21 484.9 484.9 313.8 484.9 0.00 45 49 20792 -66.7 -89.7 3 23.0 -67.0 241 23 489.1 489.1 314.1 489.1 0.00 46 40 22009 -68.9 -90.9 3 22.0 -69.1 251 20 512.8 512.8 315.8 512.8 0.00 47 36 22641 -66.7 -91.7 2 25.0 -67.0 247 23 534.2 534.2 317.2 534.2 0.00 48 33 23172 -61.5 -90.5 1 29.0 -62.2 272 10 561.5 561.5 318.7 561.5 0.00 49 30 23760 -62.9 -90.9 1 28.0 -63.6 235 6 573.2 573.2 319.3 573.2 0.00 50 25 24906 -55.5 -87.5 1 32.0 -57.3 77 15 625.1 625.1 321.7 625.1 0.01 51 23 25435 -58.3 -88.3 1 30.0 -59.7 55 32 631.9 632.0 322.0 632.0 0.01 52 20 26330 -51.7 -85.7 1 34.0 -54.7 95 48 677.9 677.9 323.7 678.0 0.01 53 19 26663 -50.9 -84.9 1 34.0 -54.2 95 44 690.4 690.4 324.1 690.5 0.02 54 17 27385 -52.5 -85.5 1 33.0 -55.6 85 53 707.6 707.6 324.7 707.7 0.02 55 15 28201 -48.7 -83.7 1 35.0 -53.4 89 55 746.0 746.0 325.8 746.2 0.02 TRP 90 17275 -85.3 -91.3 33 6.0 -85.3 115 7 374.0 374.0 301.2 374.0 0.00 WND Sounding variables and indices 1000-500 mb thick: 5816.00 m Freezing level: 553.00 mb = 5107.04 m = 16755.19 ft Wetbulb zero: 680.06 mb = 3414.51 m = 11202.33 ft Precipitable water: 1.91 inches Sfc-500 mean rel hum: 55.41 % Est. max temperature: 34.52 C = 94.14 F Sfc-Lift cond lev (LCL): 942.13 mb = 623.95 m = 2047.06 ft T: 25.61 C 700-500 lapse rate: 5.59 C/km ThetaE index: 22.78 C Layer 925.0- 754.0 mb Conv cond level (CCL): 870.32 mb = 1320.01 m = 4330.67 ft Mean mixing ratio: 18.78 g/kg Conv temperature: 33.74 C = 92.74 F Cap Strength: 1.36 C Lifted Index: -3.30 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -5.17 C Lifted Index @700 mb: -0.83 C Showalter Index: 0.98 C Risk: Thunderstorms probable Total Totals Index: 42.00 C Risk: None Vertical Totals Index: 23.50 C Cross Totals Index: 18.50 C K Index: 14.90 Risk: None Sweat Index: 247.80 Risk: None Energy Index: -2.46 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1900.54 J/kg Max Up Vert Vel: 61.65 m/s Conv Inhibition (B-): 24.59 J/kg Cap Strength: 1.36 C Lift Cond Lev (LCL): 909.40 mb = 936.41 m = 3072.18 ft Lev Free Conv (LFC): 824.40 mb = 1788.20 m = 5866.72 ft Equ Level (EL): 134.40 mb = 14969.78 m = 49112.86 ft B at Equ Level: 1886.44 J/kg Max Parcel Lev (MPL): 64.40 mb = 19155.52 m = 62845.42 ft Wind level data Storm motion: 120 at 16 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 60 110 1 -0.9 0.3 | 301 15 12.8 -7.7 1 1000 94 110 1 -0.9 0.3 | 301 15 12.8 -7.7 2 977 305 65 15 -13.6 -6.3 | 360 14 0.1 -14.3 3 944 610 75 14 -13.5 -3.6 | 359 12 0.2 -11.6 4 925 787 85 16 -15.9 -1.4 | 13 10 -2.2 -9.4 5 912 914 90 18 -18.0 0.0 | 28 9 -4.3 -8.0 6 850 1526 85 20 -19.9 -1.7 | 33 12 -6.2 -9.7 7 791 2134 80 23 -22.7 -4.0 | 37 15 -8.9 -12.0 8 763 2438 80 24 -23.6 -4.2 | 39 16 -9.9 -12.2 9 710 3048 95 27 -26.9 2.4 | 67 14 -13.2 -5.6 10 700 3173 95 27 -26.9 2.4 | 67 14 -13.2 -5.6 11 635 3962 90 16 -16.0 0.0 | 16 8 -2.3 -8.0 12 612 4267 90 20 -20.0 0.0 | 38 10 -6.3 -8.0 13 568 4877 90 25 -25.0 0.0 | 55 14 -11.3 -8.0 14 507 5791 110 24 -22.6 8.2 | 91 9 -8.8 0.2 15 500 5910 110 23 -21.6 7.9 | 89 8 -7.9 -0.1 16 488 6096 100 21 -20.7 3.6 | 58 8 -7.0 -4.3 17 469 6401 115 23 -20.8 9.7 | 104 7 -7.1 1.7 18 434 7010 105 28 -27.0 7.2 | 87 13 -13.3 -0.7 19 400 7640 100 22 -21.7 3.8 | 62 9 -8.0 -4.2 20 385 7925 100 20 -19.7 3.5 | 53 8 -6.0 -4.5 21 369 8230 95 31 -30.9 2.7 | 73 18 -17.2 -5.3 22 354 8534 95 37 -36.9 3.2 | 78 24 -23.2 -4.8 23 300 9760 90 23 -23.0 0.0 | 49 12 -9.3 -8.0 24 275 10363 85 19 -18.9 -1.7 | 28 11 -5.2 -9.7 25 250 11040 95 27 -26.9 2.4 | 67 14 -13.2 -5.6 26 230 11582 100 29 -28.6 5.0 | 79 15 -14.9 -3.0 27 200 12520 100 24 -23.6 4.2 | 69 11 -9.9 -3.8 28 182 13106 100 19 -18.7 3.3 | 47 7 -5.0 -4.7 29 158 14021 15 10 -2.6 -9.7 | 328 21 11.1 -17.7 30 150 14330 290 6 5.6 -2.1 | 297 22 19.3 -10.0 31 142 14630 320 4 2.6 -3.1 | 304 20 16.3 -11.1 32 135 14935 275 20 19.9 -1.7 | 286 35 33.6 -9.7 33 128 15240 255 17 16.4 4.4 | 277 30 30.1 -3.6 34 110 16154 290 15 14.1 -5.1 | 295 31 27.8 -13.1 35 104 16459 280 10 9.8 -1.7 | 292 25 23.6 -9.7 36 100 16690 195 2 0.5 1.9 | 293 15 14.2 -6.1 37 99 16764 195 2 0.5 1.9 | 293 15 14.2 -6.1 38 90 17275 115 7 -6.3 3.0 | 304 9 7.4 -5.0 39 84 17678 50 10 -7.7 -6.4 | 337 16 6.0 -14.4 40 79 17983 90 2 -2.0 0.0 | 304 14 11.7 -8.0 41 75 18288 155 11 -4.6 10.0 | 258 9 9.1 2.0 42 70 18680 265 18 17.9 1.6 | 281 32 31.6 -6.4 43 67 18898 280 11 10.8 -1.9 | 292 26 24.5 -9.9 44 64 19202 260 18 17.7 3.1 | 279 32 31.4 -4.9 45 61 19507 305 21 17.2 -12.0 | 303 37 30.9 -20.0 46 58 19812 295 35 31.7 -14.8 | 297 51 45.4 -22.8 47 55 20117 290 24 22.6 -8.2 | 294 40 36.3 -16.2 48 52 20422 270 22 22.0 -0.0 | 283 37 35.7 -8.0 49 50 20670 240 21 18.2 10.5 | 266 32 31.9 2.5 50 50 20726 240 24 20.8 12.0 | 263 35 34.5 4.0 51 43 21641 255 16 15.5 4.1 | 278 29 29.2 -3.9 52 37 22555 245 25 22.7 10.6 | 266 36 36.4 2.6 53 35 22860 250 18 16.9 6.2 | 273 31 30.6 -1.8 54 33 23165 275 10 10.0 -0.9 | 291 25 23.7 -8.9 55 31 23470 225 10 7.1 7.1 | 273 21 20.8 -0.9 56 30 23760 235 6 4.9 3.4 | 284 19 18.6 -4.6 57 27 24384 0 0 -0.0 -0.0 | 300 16 13.7 -8.0 58 26 24689 70 11 -10.3 -3.8 | 344 12 3.4 -11.8 59 25 24994 80 16 -15.8 -2.8 | 11 11 -2.1 -10.8 60 24 25298 55 26 -21.3 -14.9 | 18 24 -7.6 -22.9 61 22 25603 55 38 -31.1 -21.8 | 30 35 -17.4 -29.8 62 21 25908 50 35 -26.8 -22.5 | 23 33 -13.1 -30.5 63 20 26213 60 35 -30.3 -17.5 | 33 30 -16.6 -25.5 64 20 26330 95 48 -47.8 4.2 | 84 34 -34.1 -3.8 65 19 26518 95 44 -43.8 3.8 | 82 30 -30.1 -4.2 66 16 27127 80 57 -56.1 -9.9 | 67 46 -42.4 -17.9 67 14 27737 100 52 -51.2 9.0 | 92 38 -37.5 1.0 68 12 28346 80 56 -55.1 -9.7 | 67 45 -41.4 -17.7 Wind Parameters Mean winds (0-6000m): 90.3 at 21.2 knts Storm direction: 120.3 at 15.9 knts Shear (0-3000m) pos: 2.3 neg: 3.1 tot: 5.4 10-3/s Storm rel Dir Shear (0-3000m): 125.9 deg Storm rel helicity (0-3000m) pos: 86.0 neg: -0.2 tot: 85.8 m^2/s^2 ave: 28.6 10^-3 m/s^2 rel: 0.72 Storm rel vorticity (0-3000m) horiz: 6.4 stream: 4.6 10^-3/s Energy-Hel index: 0.65 Bulk Rich Number: 104.21 Bulk Shear: 18.24 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 11 343 12| 0.0 13.8 13.8| 36.3 -0.2 36.1 72.1 0.71| 17.5 12.4 1000 78 14 358 11| 3.1 6.9 10.0| 50.3 -0.2 50.0 50.0 0.74| 12.1 8.9 1500 82 16 9 10| 2.1 5.3 7.4| 52.0 -0.2 51.8 34.5 0.70| 8.8 6.2 2000 82 17 17 11| 1.6 4.7 6.3| 54.7 -0.2 54.5 27.2 0.66| 7.4 4.8 2500 82 18 23 12| 1.7 3.7 5.4| 63.2 -0.2 63.0 25.2 0.67| 6.5 4.3 3000 83 20 30 12| 2.3 3.1 5.4| 86.0 -0.2 85.8 28.6 0.72| 6.4 4.6 4000 86 20 34 11| 1.7 1.6 3.3| 88.6 -25.5 63.1 15.8 0.38| 6.4 2.4 5000 87 21 37 11| 1.7 1.6 3.3|109.6 -25.5 84.0 16.8 0.44| 6.1 2.7 6000 90 21 43 11| 1.6 1.3 2.9|125.0 -33.3 91.7 15.3 0.39| 6.0 2.4 Wrote GIF file: /home/apache/climate/data/raob//SBSN/skewt/SBSN.skewt.20250418.00.gif