UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041812.upa.cvt Date: 1200Z 18 APR 25 Searching for SBNT... Searching the city database file for: SBNT ... Date:1200Z 18 APR 25 Station: SBNT WMO ident: 82599 Latitude: -5.92 Longitude: -35.25 Elevation: 52.00 ------------------------------------------------------------------------------- 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 1008 52 30.2 23.2 66 7.0 25.0 140 11 302.7 306.0 297.9 356.1 18.04 1 1004 80 28.2 21.2 66 7.0 23.2 140 14 301.0 303.9 296.2 348.0 15.98 2 1000 107 27.6 20.6 66 7.0 22.6 140 17 300.8 303.6 295.8 346.1 15.45 3 952 541 23.2 19.4 79 3.8 20.5 144 20 300.5 303.3 295.4 344.7 15.06 4 925 793 21.6 14.6 64 7.0 17.0 140 19 301.4 303.5 293.0 334.9 11.37 5 909 944 21.2 11.2 53 10.0 14.9 137 19 302.5 304.2 291.7 329.9 9.23 6 872 1304 19.0 15.2 79 3.8 16.4 104 18 303.8 306.1 294.6 341.2 12.55 7 855 1473 20.2 8.2 46 12.0 12.9 101 17 306.8 308.3 292.0 331.1 8.00 8 850 1524 20.0 6.0 40 14.0 11.7 100 17 307.1 308.4 291.2 328.2 6.91 9 841 1616 19.4 12.4 64 7.0 14.8 100 17 307.4 309.4 294.3 340.1 10.82 10 799 2055 17.4 10.4 63 7.0 12.9 100 16 309.8 311.7 294.4 340.2 9.96 11 781 2249 17.4 2.4 37 15.0 8.9 105 16 311.8 312.9 291.7 330.0 5.83 12 765 2426 15.6 7.6 59 8.0 10.6 114 16 311.7 313.4 293.9 338.3 8.59 13 730 2821 12.8 1.8 47 11.0 6.6 124 13 312.9 314.0 292.2 331.6 5.98 14 702 3148 10.4 4.4 66 6.0 6.9 88 10 313.7 315.2 293.6 337.1 7.49 15 700 3172 10.2 3.2 62 7.0 6.2 80 10 313.8 315.1 293.2 335.4 6.90 16 678 3438 9.8 0.8 53 9.0 4.8 71 15 316.2 317.4 293.1 335.2 5.99 17 637 3954 6.4 1.8 72 4.6 3.8 80 16 318.0 319.4 294.3 339.9 6.86 18 632 4019 6.4 -2.6 53 9.0 1.7 81 16 318.8 319.7 293.0 334.9 5.00 19 624 4124 5.4 1.6 76 3.8 3.2 82 16 318.8 320.1 294.5 340.8 6.90 20 609 4323 4.6 -0.4 70 5.0 1.8 85 16 320.1 321.3 294.3 339.7 6.11 21 600 4444 5.2 -3.8 52 9.0 0.5 86 17 322.1 323.1 293.8 337.9 4.82 22 597 4485 5.0 -6.0 45 11.0 -0.4 87 17 322.4 323.2 293.3 335.8 4.09 23 590 4582 4.2 -3.8 56 8.0 0.1 87 17 322.5 323.5 294.0 338.5 4.90 24 583 4679 4.0 -11.0 33 15.0 -2.6 88 18 323.4 324.0 292.5 332.9 2.83 25 569 4876 2.0 -5.0 60 7.0 -1.5 90 19 323.3 324.2 294.0 338.5 4.64 26 549 5165 0.4 -15.6 29 16.0 -5.8 94 17 324.7 325.1 292.2 331.8 2.07 27 516 5660 -3.3 -9.3 63 6.0 -6.0 102 13 326.1 326.8 293.9 338.3 3.66 28 504 5847 -3.3 -28.3 12 25.0 -10.4 122 14 328.3 328.4 292.0 330.9 0.74 29 500 5910 -3.7 -28.7 12 25.0 -10.7 125 15 328.5 328.7 292.0 331.1 0.72 30 481 6214 -5.5 -41.5 4 36.0 -12.8 127 15 330.0 330.0 291.9 330.8 0.21 31 441 6888 -10.1 -37.1 9 27.0 -15.8 91 14 332.5 332.5 292.7 333.8 0.36 32 425 7171 -12.9 -17.3 70 4.4 -14.5 58 13 332.4 332.9 294.4 340.5 2.32 33 406 7517 -14.7 -16.7 85 2.0 -15.4 51 19 334.5 335.0 295.1 343.4 2.55 34 402 7592 -14.5 -19.2 67 4.7 -16.1 57 22 335.7 336.1 295.1 343.1 2.08 35 400 7630 -14.5 -20.5 60 6.0 -16.4 60 24 336.1 336.5 295.0 342.8 1.87 36 389 7841 -14.7 -53.7 2 39.0 -19.9 70 24 338.6 338.6 294.0 338.8 0.07 37 300 9750 -29.3 -51.3 10 22.0 -31.4 95 22 344.1 344.1 295.4 344.6 0.11 38 289 10015 -31.1 -54.1 9 23.0 -33.0 95 22 345.2 345.2 295.6 345.6 0.08 39 285 10113 -31.9 -49.9 15 18.0 -33.6 93 20 345.4 345.5 295.7 346.0 0.14 40 268 10543 -35.7 -47.7 28 12.0 -36.8 88 7 346.0 346.1 295.9 346.8 0.19 41 265 10620 -36.3 -65.3 3 29.0 -37.7 92 6 346.3 346.3 295.8 346.4 0.02 42 250 11020 -40.1 -51.1 30 11.0 -40.9 85 10 346.4 346.5 296.0 347.0 0.14 43 237 11382 -43.5 -48.5 58 5.0 -43.8 75 14 346.6 346.7 296.1 347.5 0.20 44 213 12091 -49.5 -58.5 34 9.0 -49.8 36 17 348.1 348.1 296.3 348.3 0.07 45 200 12500 -53.3 -59.3 48 6.0 -53.5 60 11 348.4 348.4 296.3 348.6 0.06 46 195 12663 -54.5 -60.5 47 6.0 -54.6 52 10 349.0 349.0 296.4 349.2 0.06 47 182 13102 -57.3 -72.3 13 15.0 -57.5 31 7 351.4 351.4 297.0 351.4 0.01 48 150 14300 -66.3 -76.3 23 10.0 -66.4 245 6 355.9 355.9 297.9 355.9 0.01 49 132 15064 -70.5 -85.5 9 15.0 -70.5 214 15 361.6 361.6 299.0 361.6 0.00 50 100 16660 -82.1 -88.1 35 6.0 -82.1 170 11 369.1 369.1 300.4 369.1 0.00 51 89 17309 -84.5 -90.5 34 6.0 -84.5 50 11 376.8 376.8 301.7 376.8 0.00 52 75 18267 -80.5 -91.5 14 11.0 -80.5 327 11 404.1 404.1 305.7 404.1 0.00 53 74 18344 -74.1 -89.1 8 15.0 -74.2 310 11 419.1 419.1 307.6 419.2 0.00 54 72 18505 -72.3 -88.3 7 16.0 -72.4 274 11 426.3 426.3 308.4 426.3 0.00 55 70 18670 -73.5 -90.5 6 17.0 -73.6 245 18 427.1 427.1 308.5 427.1 0.00 56 68 18840 -74.3 -91.3 6 17.0 -74.3 249 19 429.0 429.0 308.7 429.0 0.00 57 59 19680 -69.5 -90.5 3 21.0 -69.6 287 16 457.5 457.5 311.5 457.5 0.00 58 50 20660 -73.7 -90.7 6 17.0 -73.8 230 28 469.8 469.8 312.6 469.8 0.00 59 49 20778 -73.9 -90.9 6 17.0 -74.0 226 26 472.1 472.1 312.8 472.1 0.00 60 35 22819 -58.3 -89.3 1 31.0 -59.3 98 5 560.4 560.4 318.6 560.5 0.00 TRP 89 17309 -84.5 -90.5 34 6.0 -84.5 50 11 376.8 376.8 301.7 376.8 0.00 WND Sounding variables and indices 1000-500 mb thick: 5803.00 m Freezing level: 545.43 mb = 5218.57 m = 17121.07 ft Wetbulb zero: 598.25 mb = 4468.26 m = 14659.47 ft Precipitable water: 1.70 inches Sfc-500 mean rel hum: 56.90 % Est. max temperature: 33.81 C = 92.86 F Sfc-Lift cond lev (LCL): 911.23 mb = 923.23 m = 3028.92 ft T: 21.26 C 700-500 lapse rate: 5.08 C/km ThetaE index: 26.20 C Layer 1004.0- 872.0 mb Conv cond level (CCL): 749.82 mb = 2594.72 m = 8512.75 ft Mean mixing ratio: 13.89 g/kg Conv temperature: 39.79 C = 103.63 F Cap Strength: 4.90 C Lifted Index: 2.32 C Risk: None Lifted Index @300 mb: 3.67 C Lifted Index @700 mb: 1.98 C Showalter Index: 8.41 C Risk: None Total Totals Index: 33.40 C Risk: None Vertical Totals Index: 23.70 C Cross Totals Index: 9.70 C K Index: 22.70 Risk: 20-40 % chance of thunderstorms Sweat Index: 121.00 Risk: None Energy Index: 0.83 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.95 J/kg Max Up Vert Vel: 3.45 m/s Conv Inhibition (B-): 15482.19 J/kg Cap Strength: 4.69 C Lift Cond Lev (LCL): 878.11 mb = 1243.20 m = 4078.69 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 135 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 1008 52 140 11 -7.1 8.4 | 273 1 1.5 -0.1 1 1000 107 140 17 -10.9 13.0 | 152 5 -2.4 4.5 2 978 305 140 22 -14.1 16.9 | 146 10 -5.6 8.3 3 944 610 145 19 -10.9 15.6 | 161 7 -2.4 7.1 4 925 793 140 19 -12.2 14.6 | 149 7 -3.7 6.0 5 912 914 140 19 -12.2 14.6 | 149 7 -3.7 6.0 6 881 1219 105 18 -17.4 4.7 | 66 10 -8.9 -3.9 7 850 1524 100 17 -16.7 3.0 | 56 10 -8.2 -5.6 8 791 2134 100 16 -15.8 2.8 | 52 9 -7.2 -5.7 9 763 2438 115 16 -14.5 6.8 | 74 6 -6.0 -1.8 10 736 2743 125 14 -11.5 8.0 | 81 3 -2.9 -0.5 11 710 3048 120 10 -8.7 5.0 | 2 4 -0.1 -3.5 12 700 3172 80 10 -9.8 -1.7 | 7 10 -1.3 -10.2 13 685 3353 70 15 -14.1 -5.1 | 22 15 -5.6 -13.6 14 612 4267 85 16 -15.9 -1.4 | 37 12 -7.4 -9.9 15 568 4877 90 19 -19.0 0.0 | 51 13 -10.5 -8.5 16 547 5182 95 17 -16.9 1.5 | 50 11 -8.4 -7.0 17 527 5486 80 12 -11.8 -2.1 | 17 11 -3.3 -10.6 18 507 5791 120 13 -11.3 6.5 | 54 3 -2.7 -2.0 19 500 5910 125 15 -12.3 8.6 | 91 4 -3.8 0.1 20 488 6096 125 15 -12.3 8.6 | 91 4 -3.8 0.1 21 469 6401 130 16 -12.3 10.3 | 115 4 -3.7 1.8 22 433 7010 80 14 -13.8 -2.4 | 26 12 -5.3 -10.9 23 417 7315 35 11 -6.3 -9.0 | 353 18 2.2 -17.5 24 400 7630 60 24 -20.8 -12.0 | 31 24 -12.3 -20.5 25 384 7925 75 24 -23.2 -6.2 | 45 21 -14.6 -14.7 26 369 8230 80 27 -26.6 -4.7 | 54 22 -18.1 -13.2 27 354 8534 85 35 -34.9 -3.1 | 66 29 -26.3 -11.6 28 313 9449 80 32 -31.5 -5.6 | 59 27 -23.0 -14.1 29 300 9750 95 22 -21.9 1.9 | 64 15 -13.4 -6.6 30 287 10058 95 22 -21.9 1.9 | 64 15 -13.4 -6.6 31 275 10363 80 10 -9.8 -1.7 | 7 10 -1.3 -10.2 32 263 10668 95 5 -5.0 0.4 | 336 9 3.6 -8.1 33 250 11020 85 10 -10.0 -0.9 | 9 9 -1.4 -9.4 34 240 11278 80 14 -13.8 -2.4 | 26 12 -5.3 -10.9 35 210 12192 30 17 -8.5 -14.7 | 360 23 0.0 -23.2 36 200 12497 65 12 -10.9 -5.1 | 10 14 -2.3 -13.6 37 200 12500 60 11 -9.5 -5.5 | 4 14 -1.0 -14.0 38 191 12802 45 10 -7.1 -7.1 | 355 16 1.5 -15.6 39 165 13716 0 0 -0.0 -0.0 | 315 12 8.5 -8.5 40 150 14300 245 6 5.4 2.5 | 293 15 14.0 -6.0 41 142 14630 230 10 7.7 6.4 | 277 16 16.2 -2.1 42 134 14935 210 16 8.0 13.9 | 252 17 16.5 5.3 43 128 15240 220 13 8.4 10.0 | 265 17 16.9 1.4 44 115 15850 205 12 5.1 10.9 | 260 14 13.6 2.4 45 109 16154 175 10 -0.9 10.0 | 259 8 7.7 1.4 46 104 16459 185 10 0.9 10.0 | 261 10 9.4 1.4 47 100 16660 170 11 -1.9 10.8 | 251 7 6.6 2.3 48 93 17069 165 11 -2.8 10.6 | 250 6 5.7 2.1 49 89 17309 50 11 -8.4 -7.1 | 360 16 0.1 -15.6 50 88 17374 55 13 -10.6 -7.5 | 8 16 -2.1 -16.0 51 83 17678 25 16 -6.8 -14.5 | 356 23 1.8 -23.0 52 79 17983 35 11 -6.3 -9.0 | 353 18 2.2 -17.5 53 71 18593 255 11 10.6 2.8 | 286 20 19.2 -5.7 54 70 18670 245 18 16.3 7.6 | 272 25 24.8 -0.9 55 67 18898 250 19 17.9 6.5 | 274 26 26.4 -2.0 56 64 19202 230 11 8.4 7.1 | 275 17 17.0 -1.4 57 61 19507 290 4 3.8 -1.4 | 309 16 12.3 -9.9 58 58 19812 285 25 24.1 -6.5 | 295 36 32.7 -15.0 59 55 20117 280 38 37.4 -6.6 | 288 48 46.0 -15.1 60 52 20422 270 32 32.0 -0.0 | 282 41 40.5 -8.5 61 50 20660 230 28 21.4 18.0 | 252 31 30.0 9.5 62 46 21031 215 19 10.9 15.6 | 250 21 19.4 7.1 63 41 21641 145 10 -5.7 8.2 | 277 3 2.8 -0.3 64 38 21946 105 1 -1.0 0.3 | 317 11 7.6 -8.3 65 30 23165 85 11 -11.0 -1.0 | 14 10 -2.4 -9.5 Wind Parameters Mean winds (0-6000m): 104.9 at 16.1 knts Storm direction: 134.9 at 12.1 knts Shear (0-3000m) pos: 2.1 neg: 2.7 tot: 4.7 10-3/s Storm rel Dir Shear (0-3000m): 90.3 deg Storm rel helicity (0-3000m) pos: 10.3 neg: -35.0 tot: -24.8 m^2/s^2 ave: -8.3 10^-3 m/s^2 rel: -0.51 Storm rel vorticity (0-3000m) horiz: 7.4 stream: -3.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.35 Bulk Shear: 17.20 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 ------------------------------------------------------------------------------- 500 141 19 151 7| 8.9 0.0 8.9| 3.9 -2.7 1.2 2.4 -0.46| 15.7 -7.2 1000 140 19 149 7| 4.4 3.4 7.9| 4.1 -14.3 -10.3 -10.3 -0.60| 11.5 -6.9 1500 130 19 121 7| 3.0 4.8 7.7| 4.1 -30.8 -26.8 -17.8 -0.68| 10.4 -7.1 2000 123 18 101 7| 2.2 3.5 5.8| 4.1 -32.3 -28.3 -14.1 -0.68| 8.0 -5.5 2500 120 18 93 7| 2.5 2.8 5.3| 10.1 -32.3 -22.3 -8.9 -0.50| 7.5 -3.8 3000 120 17 90 6| 2.1 2.7 4.7| 10.3 -35.0 -24.8 -8.3 -0.51| 7.4 -3.7 4000 111 16 67 7| 1.8 3.3 5.1| 29.4 -35.0 -5.7 -1.4 -0.28| 7.4 -2.0 5000 105 16 61 8| 1.8 2.6 4.5| 42.9 -35.2 7.8 1.6 -0.19| 6.5 -1.2 6000 105 16 58 8| 2.3 2.2 4.5| 51.6 -51.8 -0.1 -0.0 -0.14| 6.9 -1.0 Wrote GIF file: /home/apache/climate/data/raob//SBNT/skewt/SBNT.skewt.20250418.12.gif