UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042112.upa.cvt Date: 1200Z 21 APR 25 Searching for SBNT... Searching the city database file for: SBNT ... Date:1200Z 21 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 1006 52 29.6 25.6 79 4.0 26.6 120 3 302.2 306.1 299.5 364.4 20.96 1 1000 89 27.6 25.0 86 2.6 25.7 135 6 300.8 304.5 298.8 360.6 20.33 2 994 142 26.8 24.5 87 2.3 25.1 129 7 300.5 304.1 298.5 358.8 19.84 3 925 776 23.0 18.0 73 5.0 19.5 100 8 302.8 305.4 295.4 344.8 14.18 4 850 1510 19.2 11.2 60 8.0 14.1 110 6 306.3 308.1 293.3 336.0 9.88 5 769 2365 14.6 4.6 51 10.0 8.8 98 5 310.2 311.5 292.2 331.6 6.93 6 740 2690 12.4 7.8 73 4.6 9.6 110 5 311.2 312.9 294.1 339.0 9.01 7 703 3119 10.2 1.2 54 9.0 5.2 119 6 313.4 314.5 292.3 332.1 5.95 8 700 3155 10.0 2.0 57 8.0 5.5 120 6 313.6 314.8 292.6 333.4 6.33 9 690 3275 9.2 5.7 79 3.5 7.1 117 7 314.0 315.6 294.3 340.0 8.36 10 681 3384 9.0 -2.0 46 11.0 3.2 114 7 314.9 315.9 291.8 330.3 4.85 11 677 3433 8.6 3.8 72 4.8 5.8 113 8 315.0 316.4 293.9 338.4 7.45 12 666 3568 7.6 4.3 80 3.3 5.6 109 9 315.4 316.9 294.3 340.0 7.85 13 661 3631 7.8 1.8 66 6.0 4.4 107 9 316.3 317.5 293.6 337.2 6.61 14 631 4013 5.2 2.2 81 3.0 3.5 97 11 317.5 318.9 294.4 340.1 7.13 15 590 4560 2.6 -1.2 76 3.8 0.5 92 14 320.7 321.8 294.3 339.9 5.95 16 580 4699 2.6 -9.4 41 12.0 -2.8 92 14 322.2 322.9 292.5 333.0 3.23 17 572 4811 2.0 -4.0 64 6.0 -1.1 93 14 322.8 323.8 294.1 339.1 4.98 18 540 5276 0.0 -7.0 59 7.0 -3.4 88 14 325.8 326.6 294.3 339.7 4.19 19 520 5578 -1.3 -22.3 18 21.0 -8.3 72 11 327.8 328.0 292.3 332.1 1.23 20 500 5890 -3.7 -20.7 25 17.0 -9.5 80 11 328.5 328.8 292.7 333.7 1.47 21 497 5937 -4.1 -19.1 30 15.0 -9.4 79 11 328.6 328.9 292.9 334.5 1.70 22 488 6081 -5.1 -32.1 10 27.0 -11.9 75 11 329.1 329.2 292.0 331.1 0.53 23 477 6259 -6.3 -13.3 58 7.0 -9.2 96 12 329.8 330.3 294.2 339.6 2.88 24 467 6424 -7.5 -13.5 62 6.0 -9.9 115 12 330.3 330.9 294.4 340.2 2.89 25 441 6867 -10.3 -21.3 40 11.0 -13.9 103 12 332.2 332.5 293.8 337.8 1.58 26 437 6936 -10.9 -21.9 40 11.0 -14.4 101 12 332.3 332.6 293.7 337.7 1.52 27 435 6972 -11.1 -15.8 68 4.7 -12.9 100 12 332.5 333.0 294.7 341.4 2.57 28 423 7185 -12.7 -19.7 56 7.0 -15.0 94 12 333.1 333.5 294.3 339.8 1.90 29 411 7404 -13.7 -25.7 36 12.0 -17.0 99 15 334.6 334.8 294.0 338.8 1.15 30 408 7460 -13.1 -43.1 6 30.0 -18.4 104 17 336.1 336.1 293.6 336.9 0.21 31 400 7610 -14.1 -46.1 5 32.0 -19.2 120 22 336.7 336.7 293.6 337.3 0.15 32 365 8300 -18.9 -55.9 2 37.0 -23.1 114 21 339.2 339.2 294.1 339.4 0.05 33 309 9518 -28.7 -38.7 38 10.0 -30.2 102 13 342.0 342.1 295.2 343.7 0.44 34 306 9588 -28.7 -65.7 2 37.0 -31.1 109 12 343.0 343.0 295.1 343.1 0.02 35 300 9730 -29.7 -50.7 11 21.0 -31.7 125 10 343.5 343.5 295.3 344.0 0.12 36 281 10192 -32.7 -59.7 5 27.0 -34.5 139 9 345.7 345.7 295.7 345.9 0.04 37 250 11000 -39.7 -54.7 19 15.0 -40.6 230 4 347.0 347.1 296.1 347.4 0.09 38 200 12480 -52.1 -64.1 22 12.0 -52.4 235 11 350.3 350.3 296.7 350.4 0.03 39 195 12644 -53.5 -62.5 33 9.0 -53.7 238 10 350.6 350.6 296.8 350.8 0.04 40 189 12845 -55.1 -67.1 21 12.0 -55.4 242 11 351.1 351.2 296.9 351.3 0.02 41 175 13332 -59.7 -65.7 45 6.0 -59.8 252 13 351.4 351.4 297.0 351.5 0.03 42 166 13661 -62.3 -71.3 29 9.0 -62.4 259 14 352.4 352.4 297.1 352.5 0.02 43 156 14042 -65.7 -70.2 53 4.5 -65.7 305 10 352.9 352.9 297.3 353.0 0.02 44 154 14121 -66.5 -71.3 51 4.8 -66.5 303 12 352.9 352.9 297.3 352.9 0.02 45 150 14280 -67.1 -74.1 36 7.0 -67.1 300 15 354.5 354.5 297.6 354.5 0.01 46 144 14525 -68.1 -77.1 26 9.0 -68.2 301 16 356.9 356.9 298.1 356.9 0.01 47 120 15594 -76.9 -80.8 54 3.9 -76.9 240 24 359.9 359.9 298.7 359.9 0.00 48 100 16630 -80.7 -87.7 30 7.0 -80.7 135 5 371.8 371.8 300.9 371.8 0.00 49 98 16744 -81.1 -88.1 30 7.0 -81.1 120 6 373.2 373.2 301.1 373.2 0.00 50 90 17225 -79.5 -88.5 21 9.0 -79.5 143 14 385.6 385.6 303.1 385.6 0.00 51 84 17614 -82.5 -90.5 24 8.0 -82.5 141 19 387.2 387.2 303.3 387.2 0.00 52 80 17890 -77.7 -88.7 15 11.0 -77.7 122 13 402.5 402.5 305.5 402.5 0.00 53 74 18339 -76.1 -89.1 11 13.0 -76.2 260 17 414.9 414.9 307.1 414.9 0.00 54 70 18660 -75.7 -89.7 9 14.0 -75.7 255 16 422.4 422.4 308.0 422.4 0.00 55 58 19765 -69.9 -89.9 4 20.0 -70.1 305 23 458.9 458.9 311.7 458.9 0.00 56 52 20409 -73.7 -90.7 6 17.0 -73.8 261 23 464.6 464.6 312.2 464.6 0.00 57 50 20640 -70.9 -91.9 3 21.0 -71.1 200 7 476.4 476.4 313.2 476.4 0.00 58 49 20760 -68.9 -90.9 3 22.0 -69.1 249 18 483.9 483.9 313.8 483.9 0.00 59 41 21836 -65.5 -90.5 2 25.0 -65.8 260 19 517.7 517.7 316.1 517.7 0.00 60 39 22140 -65.7 -90.7 2 25.0 -66.1 249 18 524.6 524.6 316.6 524.7 0.00 TRP 98 16744 -81.1 -88.1 30 7.0 -81.1 120 6 373.2 373.2 301.1 373.2 0.00 WND Sounding variables and indices 1000-500 mb thick: 5801.00 m Freezing level: 540.00 mb = 5275.55 m = 17308.03 ft Wetbulb zero: 588.38 mb = 4582.62 m = 15034.66 ft Precipitable water: 1.89 inches Sfc-500 mean rel hum: 63.06 % Est. max temperature: 33.35 C = 92.03 F Sfc-Lift cond lev (LCL): 949.99 mb = 541.19 m = 1775.55 ft T: 24.41 C 700-500 lapse rate: 5.01 C/km ThetaE index: 32.85 C Layer 1000.0- 740.0 mb Conv cond level (CCL): 851.03 mb = 1499.54 m = 4919.68 ft Mean mixing ratio: 16.71 g/kg Conv temperature: 33.59 C = 92.45 F Cap Strength: 1.75 C Lifted Index: -1.20 C Risk: Thunderstorms probable Lifted Index @300 mb: -2.00 C Lifted Index @700 mb: -0.92 C Showalter Index: 4.78 C Risk: None Total Totals Index: 37.80 C Risk: None Vertical Totals Index: 22.90 C Cross Totals Index: 14.90 C K Index: 26.10 Risk: 40-60 % chance of thunderstorms Sweat Index: 157.40 Risk: None Energy Index: -0.32 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 564.62 J/kg Max Up Vert Vel: 33.60 m/s Conv Inhibition (B-): 54.17 J/kg Cap Strength: 1.75 C Lift Cond Lev (LCL): 905.36 mb = 962.28 m = 3157.05 ft Lev Free Conv (LFC): 760.36 mb = 2460.79 m = 8073.35 ft Equ Level (EL): 190.36 mb = 12798.47 m = 41989.22 ft B at Equ Level: 563.83 J/kg Max Parcel Lev (MPL): 100.36 mb = 16609.49 m = 54492.42 ft Wind level data Storm motion: 126 at 7 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 1006 52 120 3 -2.6 1.5 | 311 4 2.9 -2.5 1 1000 89 135 6 -4.2 4.2 | 260 1 1.2 0.2 2 976 305 110 9 -8.5 3.1 | 73 3 -3.0 -0.9 3 943 610 100 11 -10.8 1.9 | 69 6 -5.4 -2.1 4 925 776 100 8 -7.9 1.4 | 42 4 -2.4 -2.6 5 910 914 105 9 -8.7 2.3 | 62 4 -3.2 -1.7 6 850 1510 110 6 -5.6 2.1 | 5 2 -0.2 -2.0 7 790 2134 80 4 -3.9 -0.7 | 342 5 1.5 -4.7 8 762 2438 105 5 -4.8 1.3 | 347 3 0.6 -2.7 9 700 3155 120 6 -5.2 3.0 | 345 1 0.3 -1.0 10 610 4267 90 13 -13.0 0.0 | 62 9 -7.5 -4.0 11 546 5182 95 15 -14.9 1.3 | 74 10 -9.5 -2.7 12 525 5486 70 11 -10.3 -3.8 | 32 9 -4.9 -7.8 13 500 5890 80 11 -10.8 -1.9 | 42 8 -5.4 -5.9 14 487 6096 75 11 -10.6 -2.8 | 37 9 -5.2 -6.9 15 468 6401 115 12 -10.9 5.1 | 101 6 -5.4 1.1 16 416 7315 90 12 -12.0 0.0 | 58 8 -6.5 -4.0 17 400 7610 120 22 -19.1 11.0 | 117 15 -13.6 7.0 18 383 7925 125 22 -18.0 12.6 | 124 15 -12.5 8.6 19 368 8230 115 21 -19.0 8.9 | 110 14 -13.6 4.9 20 312 9449 95 14 -13.9 1.2 | 72 9 -8.5 -2.8 21 300 9730 125 10 -8.2 5.7 | 122 3 -2.7 1.7 22 299 9754 105 14 -13.5 3.6 | 87 8 -8.0 -0.4 23 286 10058 125 10 -8.2 5.7 | 122 3 -2.7 1.7 24 250 11000 230 4 3.1 2.6 | 280 9 8.5 -1.4 25 240 11278 270 2 2.0 -0.0 | 298 8 7.5 -4.0 26 229 11582 345 10 2.6 -9.7 | 329 16 8.1 -13.7 27 200 12480 235 11 9.0 6.3 | 261 15 14.5 2.3 28 199 12497 235 10 8.2 5.7 | 263 14 13.7 1.7 29 164 13716 260 14 13.8 2.4 | 275 19 19.3 -1.6 30 156 14021 305 10 8.2 -5.7 | 306 17 13.7 -9.8 31 150 14280 300 15 13.0 -7.5 | 302 22 18.5 -11.5 32 149 14326 320 15 9.6 -11.5 | 316 22 15.1 -15.5 33 134 14935 260 18 17.7 3.1 | 272 23 23.2 -0.9 34 121 15545 240 24 20.8 12.0 | 253 27 26.3 8.0 35 103 16459 245 10 9.1 4.2 | 269 15 14.5 0.2 36 100 16630 135 5 -3.5 3.5 | 284 2 1.9 -0.5 37 98 16744 120 6 -5.2 3.0 | 345 1 0.3 -1.0 38 98 16764 135 5 -3.5 3.5 | 284 2 1.9 -0.5 39 88 17374 145 17 -9.8 13.9 | 157 11 -4.3 9.9 40 83 17678 140 20 -12.9 15.3 | 147 13 -7.4 11.3 41 79 17983 115 10 -9.1 4.2 | 93 4 -3.6 0.2 42 75 18288 265 17 16.9 1.5 | 276 23 22.4 -2.5 43 71 18593 240 15 13.0 7.5 | 259 19 18.5 3.5 44 70 18660 255 16 15.5 4.1 | 270 21 20.9 0.1 45 64 19202 285 11 10.6 -2.8 | 293 18 16.1 -6.9 46 61 19507 275 14 13.9 -1.2 | 285 20 19.4 -5.2 47 58 19812 310 24 18.4 -15.4 | 309 31 23.9 -19.4 48 55 20117 290 27 25.4 -9.2 | 293 34 30.8 -13.3 49 52 20422 260 23 22.7 4.0 | 270 28 28.1 -0.0 50 50 20640 200 7 2.4 6.6 | 252 8 7.9 2.6 51 49 20726 250 18 16.9 6.2 | 265 22 22.4 2.1 52 46 21031 215 10 5.7 8.2 | 250 12 11.2 4.2 53 43 21336 265 11 11.0 1.0 | 281 17 16.4 -3.1 54 41 21641 260 20 19.7 3.5 | 271 25 25.2 -0.5 55 38 21946 245 17 15.4 7.2 | 261 21 20.9 3.2 56 34 22555 285 7 6.8 -1.8 | 295 14 12.2 -5.8 Wind Parameters Mean winds (0-6000m): 96.3 at 9.1 knts Storm direction: 126.3 at 6.8 knts Shear (0-3000m) pos: 0.8 neg: 1.1 tot: 2.0 10-3/s Storm rel Dir Shear (0-3000m): 35.8 deg Storm rel helicity (0-3000m) pos: 1.2 neg: -5.6 tot: -4.4 m^2/s^2 ave: -1.5 10^-3 m/s^2 rel: -0.45 Storm rel vorticity (0-3000m) horiz: 4.2 stream: -1.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 663.77 Bulk Shear: 0.85 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 ------------------------------------------------------------------------------- 500 112 8 69 2| 0.0 8.1 8.1| 0.0 -0.7 -0.7 -1.4 -0.59| 12.0 -7.1 1000 107 9 63 3| 1.2 4.0 5.3| 0.8 -3.1 -2.3 -2.3 -0.53| 7.9 -4.2 1500 107 8 55 3| 1.7 2.7 4.3| 0.8 -4.3 -3.6 -2.4 -0.57| 6.1 -3.5 2000 106 7 39 3| 1.2 1.7 3.0| 0.8 -5.4 -4.6 -2.3 -0.55| 5.3 -2.9 2500 104 7 26 3| 0.9 1.4 2.3| 1.1 -5.6 -4.4 -1.8 -0.48| 4.8 -2.3 3000 106 7 21 2| 0.8 1.1 2.0| 1.2 -5.6 -4.4 -1.5 -0.45| 4.2 -1.9 4000 105 7 32 3| 0.6 1.7 2.3| 2.0 -6.0 -4.0 -1.0 -0.30| 4.1 -1.2 5000 101 8 49 4| 0.5 1.6 2.1| 5.9 -6.7 -0.9 -0.2 -0.23| 3.6 -0.8 6000 96 9 49 5| 0.4 1.2 1.6| 9.0 -24.0 -15.1 -2.5 -0.31| 3.8 -1.2 Wrote GIF file: /home/apache/climate/data/raob//SBNT/skewt/SBNT.skewt.20250421.12.gif