UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042500.upa.cvt Date: 0000Z 25 APR 25 Searching for SBNT... Searching the city database file for: SBNT ... Date:0000Z 25 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 1007 52 26.4 24.8 91 1.6 25.2 140 4 299.0 302.6 298.1 357.2 19.94 1 1000 100 27.2 23.4 80 3.8 24.4 145 9 300.4 303.7 297.5 354.4 18.41 2 925 787 22.0 19.1 84 2.9 19.9 120 19 301.8 304.6 295.9 346.7 15.22 3 879 1229 18.8 18.1 96 0.7 18.3 119 13 302.9 305.7 296.1 347.5 15.04 4 850 1517 17.0 16.8 99 0.2 16.9 100 13 304.0 306.6 295.8 346.5 14.31 5 700 3160 10.2 8.4 89 1.8 9.0 105 13 313.8 315.7 295.4 344.6 9.94 6 679 3413 9.0 7.4 90 1.6 8.0 91 10 315.2 317.0 295.5 345.0 9.57 7 660 3647 8.2 3.2 71 5.0 5.3 72 10 316.9 318.3 294.3 340.0 7.32 8 608 4319 4.2 3.3 94 0.9 3.7 99 9 319.8 321.3 295.6 345.3 8.01 9 594 4508 3.4 0.4 81 3.0 1.7 96 9 321.0 322.3 294.9 342.4 6.65 10 591 4550 3.6 -7.4 44 11.0 -1.6 96 10 321.7 322.4 292.7 333.9 3.71 11 589 4577 3.4 -2.6 65 6.0 0.3 95 10 321.8 322.8 294.1 339.2 5.37 12 583 4660 3.6 -12.4 30 16.0 -3.2 94 10 322.9 323.4 292.1 331.4 2.53 13 581 4688 3.2 -4.8 56 8.0 -0.8 93 10 322.8 323.7 293.8 337.9 4.61 14 580 4702 3.0 -7.0 48 10.0 -1.8 93 10 322.7 323.5 293.2 335.6 3.90 15 578 4730 3.4 -14.6 25 18.0 -3.9 93 10 323.5 323.9 291.9 330.7 2.13 16 576 4758 3.4 -14.6 25 18.0 -3.9 92 10 323.8 324.2 292.0 331.1 2.14 17 546 5189 0.0 -12.0 40 12.0 -5.1 85 11 324.8 325.3 292.9 334.2 2.79 18 539 5292 0.0 -23.0 16 23.0 -7.6 87 12 326.0 326.2 291.7 329.9 1.11 19 512 5702 -2.3 -33.3 7 31.0 -10.2 93 16 328.0 328.1 291.6 329.7 0.45 20 500 5890 -3.7 -31.7 9 28.0 -11.0 90 16 328.5 328.6 291.9 330.5 0.54 21 494 5985 -4.3 -30.3 11 26.0 -11.3 88 16 328.9 329.1 292.0 331.2 0.62 22 485 6130 -5.5 -17.5 38 12.0 -9.9 84 15 329.2 329.6 293.3 336.1 1.99 23 477 6261 -5.7 -43.7 3 38.0 -13.0 78 16 330.5 330.5 292.0 331.2 0.17 24 461 6528 -6.7 -41.7 4 35.0 -13.7 66 16 332.5 332.5 292.6 333.3 0.21 25 458 6579 -7.1 -22.1 29 15.0 -12.0 64 17 332.6 332.9 293.7 337.7 1.42 26 435 6979 -10.3 -30.3 18 20.0 -15.4 47 18 333.5 333.6 293.3 336.1 0.71 27 417 7303 -12.9 -20.9 51 8.0 -15.5 54 20 334.2 334.6 294.4 340.4 1.73 28 410 7432 -12.9 -27.9 27 15.0 -16.9 59 21 335.8 336.0 294.1 339.3 0.94 29 400 7620 -14.3 -29.3 27 15.0 -18.1 65 22 336.4 336.6 294.2 339.5 0.85 30 384 7929 -16.1 -36.1 16 20.0 -20.1 72 23 338.0 338.1 294.3 339.7 0.46 31 353 8559 -19.9 -51.9 4 32.0 -23.8 85 30 341.1 341.1 294.7 341.5 0.09 32 346 8708 -19.9 -55.9 3 36.0 -24.0 88 32 343.1 343.1 295.1 343.3 0.06 33 300 9750 -28.5 -58.5 4 30.0 -30.9 100 24 345.2 345.2 295.6 345.4 0.05 34 250 11020 -39.5 -64.5 5 25.0 -40.6 100 22 347.3 347.3 296.1 347.5 0.03 35 249 11048 -39.9 -63.9 6 24.0 -40.9 100 22 347.1 347.1 296.0 347.3 0.03 36 219 11914 -47.9 -56.9 35 9.0 -48.3 92 24 347.8 347.8 296.2 348.1 0.08 37 215 12036 -49.1 -58.1 34 9.0 -49.4 91 25 347.8 347.8 296.2 348.0 0.07 38 210 12191 -49.9 -63.9 18 14.0 -50.3 90 25 348.8 348.9 296.4 349.0 0.03 39 200 12510 -52.5 -66.5 17 14.0 -52.8 105 23 349.6 349.6 296.5 349.7 0.02 40 168 13609 -61.3 -75.3 14 14.0 -61.4 18 4 352.8 352.9 297.3 352.9 0.01 41 159 13947 -64.3 -66.8 71 2.5 -64.3 335 2 353.4 353.4 297.4 353.5 0.03 42 150 14300 -67.1 -75.1 31 8.0 -67.2 295 6 354.5 354.5 297.6 354.5 0.01 43 147 14422 -67.9 -77.9 23 10.0 -67.9 292 6 355.2 355.2 297.7 355.2 0.01 44 141 14671 -70.1 -78.1 30 8.0 -70.1 286 6 355.6 355.6 297.8 355.6 0.01 45 122 15519 -76.3 -81.1 46 4.8 -76.3 264 7 359.3 359.3 298.5 359.3 0.00 46 116 15809 -77.1 -84.1 32 7.0 -77.1 257 7 363.0 363.0 299.3 363.0 0.00 47 114 15909 -75.1 -85.1 20 10.0 -75.1 254 7 368.6 368.6 300.3 368.6 0.00 48 100 16660 -79.9 -87.9 25 8.0 -79.9 235 8 373.4 373.4 301.1 373.4 0.00 49 85 17569 -83.7 -90.7 28 7.0 -83.7 270 3 383.4 383.4 302.8 383.4 0.00 50 81 17837 -83.1 -92.1 19 9.0 -83.1 277 8 390.0 390.0 303.8 390.0 0.00 51 80 17907 -77.5 -87.5 19 10.0 -77.5 273 10 402.9 402.9 305.6 402.9 0.00 52 80 17907 -76.7 -87.7 16 11.0 -76.7 273 10 404.5 404.5 305.8 404.6 0.00 53 73 18430 -79.1 -90.1 15 11.0 -79.1 253 19 410.2 410.2 306.5 410.2 0.00 54 70 18670 -76.3 -90.3 9 14.0 -76.3 345 13 421.2 421.2 307.9 421.2 0.00 55 67 18925 -73.3 -89.3 7 16.0 -73.4 348 11 433.0 433.0 309.1 433.0 0.00 56 65 19103 -74.3 -90.3 7 16.0 -74.3 340 13 434.5 434.5 309.3 434.6 0.00 57 51 20550 -65.7 -90.7 2 25.0 -66.0 242 24 485.9 485.9 313.9 485.9 0.00 58 50 20670 -66.7 -89.7 3 23.0 -67.0 230 26 486.3 486.3 314.0 486.3 0.00 59 42 21719 -68.9 -90.9 3 22.0 -69.1 250 27 505.7 505.7 315.4 505.7 0.00 TRP 85 17569 -83.7 -90.7 28 7.0 -83.7 270 3 383.4 383.4 302.8 383.4 0.00 WND Sounding variables and indices 1000-500 mb thick: 5790.00 m Freezing level: 539.00 mb = 5292.35 m = 17363.13 ft Wetbulb zero: 592.46 mb = 4529.55 m = 14860.56 ft Precipitable water: 2.17 inches Sfc-500 mean rel hum: 72.97 % Est. max temperature: 31.16 C = 88.09 F Sfc-Lift cond lev (LCL): 984.34 mb = 239.07 m = 784.34 ft T: 26.15 C 700-500 lapse rate: 5.09 C/km ThetaE index: 10.56 C Layer 1000.0- 879.0 mb Conv cond level (CCL): 896.79 mb = 1055.33 m = 3462.33 ft Mean mixing ratio: 16.67 g/kg Conv temperature: 29.94 C = 85.88 F Cap Strength: 0.88 C Lifted Index: -0.85 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.28 C Lifted Index @700 mb: -0.48 C Showalter Index: 0.56 C Risk: Thunderstorms probable Total Totals Index: 41.20 C Risk: None Vertical Totals Index: 20.70 C Cross Totals Index: 20.50 C K Index: 35.70 Risk: > 80 % chance of thunderstorms Sweat Index: 243.60 Risk: None Energy Index: -3.02 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 264.11 J/kg Max Up Vert Vel: 22.98 m/s Conv Inhibition (B-): 6.65 J/kg Cap Strength: 0.88 C Lift Cond Lev (LCL): 914.37 mb = 887.16 m = 2910.61 ft Lev Free Conv (LFC): 879.37 mb = 1225.29 m = 4019.93 ft Equ Level (EL): 579.37 mb = 4710.73 m = 15454.97 ft B at Equ Level: 76.86 J/kg Max Parcel Lev (MPL): 129.37 mb = 15175.18 m = 49786.73 ft Wind level data Storm motion: 136 at 10 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 52 140 4 -2.6 3.1 | 313 6 4.1 -3.8 1 1000 100 145 9 -5.2 7.4 | 251 2 1.5 0.5 2 977 305 130 15 -11.5 9.6 | 120 6 -4.9 2.8 3 944 610 125 17 -13.9 9.8 | 112 8 -7.3 2.9 4 925 787 120 19 -16.5 9.5 | 105 10 -9.8 2.6 5 911 914 125 18 -14.7 10.3 | 113 9 -8.1 3.5 6 880 1219 120 13 -11.3 6.5 | 86 5 -4.6 -0.4 7 850 1517 100 13 -12.8 2.3 | 53 8 -6.2 -4.6 8 849 1524 95 12 -12.0 1.0 | 42 8 -5.3 -5.8 9 819 1829 95 12 -12.0 1.0 | 42 8 -5.3 -5.8 10 790 2134 125 15 -12.3 8.6 | 107 6 -5.7 1.7 11 762 2438 120 13 -11.3 6.5 | 86 5 -4.6 -0.4 12 709 3048 115 12 -10.9 5.1 | 67 5 -4.2 -1.8 13 700 3160 105 13 -12.6 3.4 | 59 7 -5.9 -3.5 14 684 3353 95 10 -10.0 0.9 | 29 7 -3.3 -6.0 15 658 3658 70 10 -9.4 -3.4 | 15 11 -2.8 -10.3 16 634 3962 100 12 -11.8 2.1 | 47 7 -5.2 -4.8 17 611 4267 100 9 -8.9 1.6 | 23 6 -2.2 -5.3 18 546 5182 85 11 -11.0 -1.0 | 29 9 -4.3 -7.8 19 506 5791 95 17 -16.9 1.5 | 62 12 -10.3 -5.4 20 500 5890 90 16 -16.0 0.0 | 54 12 -9.4 -6.9 21 487 6096 85 15 -14.9 -1.3 | 46 12 -8.3 -8.2 22 433 7010 45 18 -12.7 -12.7 | 17 21 -6.1 -19.6 23 400 7620 65 22 -19.9 -9.3 | 39 21 -13.3 -16.2 24 368 8230 80 25 -24.6 -4.3 | 58 21 -18.0 -11.2 25 339 8839 90 34 -34.0 0.0 | 76 28 -27.4 -6.9 26 312 9449 105 30 -29.0 7.8 | 92 22 -22.3 0.9 27 300 9750 100 24 -23.6 4.2 | 81 17 -17.0 -2.7 28 250 11020 100 22 -21.7 3.8 | 79 15 -15.0 -3.0 29 210 12192 90 25 -25.0 0.0 | 70 20 -18.4 -6.9 30 200 12510 105 23 -22.2 6.0 | 87 16 -15.6 -0.9 31 191 12802 100 23 -22.7 4.0 | 80 16 -16.0 -2.9 32 173 13411 45 10 -7.1 -7.1 | 2 14 -0.4 -13.9 33 165 13716 0 0 -0.0 -0.0 | 316 10 6.6 -6.9 34 150 14300 295 6 5.4 -2.5 | 308 15 12.1 -9.4 35 100 16660 235 8 6.6 4.6 | 280 13 13.2 -2.3 36 93 17069 235 8 6.6 4.6 | 280 13 13.2 -2.3 37 88 17374 340 2 0.7 -1.9 | 320 11 7.3 -8.7 38 85 17569 270 3 3.0 -0.0 | 305 12 9.6 -6.9 39 83 17678 285 2 1.9 -0.5 | 311 11 8.6 -7.4 40 75 18288 255 24 23.2 6.2 | 271 30 29.8 -0.6 41 71 18593 250 14 13.2 4.8 | 276 20 19.8 -2.1 42 70 18670 345 13 3.4 -12.6 | 333 22 10.0 -19.4 43 67 18898 350 10 1.7 -9.8 | 333 19 8.4 -16.7 44 64 19202 335 15 6.3 -13.6 | 328 24 13.0 -20.5 45 58 19812 320 10 6.4 -7.7 | 318 20 13.1 -14.5 46 50 20670 230 26 19.9 16.7 | 250 28 26.5 9.9 47 49 20726 245 33 29.9 13.9 | 259 37 36.5 7.1 48 46 21031 235 27 22.1 15.5 | 253 30 28.7 8.6 49 44 21336 250 31 29.1 10.6 | 264 36 35.8 3.7 50 38 21946 250 18 16.9 6.2 | 272 24 23.5 -0.7 Wind Parameters Mean winds (0-6000m): 106.0 at 12.7 knts Storm direction: 136.0 at 9.5 knts Shear (0-3000m) pos: 0.9 neg: 1.7 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): 113.8 deg Storm rel helicity (0-3000m) pos: 14.2 neg: -24.1 tot: -9.9 m^2/s^2 ave: -3.3 10^-3 m/s^2 rel: -0.38 Storm rel vorticity (0-3000m) horiz: 7.2 stream: -2.7 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 60.19 Bulk Shear: 4.39 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 ------------------------------------------------------------------------------- 500 132 13 120 4| 0.0 13.1 13.1| 0.0 -4.8 -4.8 -9.6 -0.73| 16.8-12.2 1000 127 15 112 6| 0.0 6.2 6.2| 1.9 -8.9 -7.0 -7.0 -0.58| 11.5 -6.7 1500 123 15 101 6| 0.0 3.3 3.3| 1.9 -19.7 -17.9 -11.9 -0.64| 10.5 -6.7 2000 118 14 88 6| 1.4 2.5 3.9| 11.0 -19.7 -8.7 -4.4 -0.40| 9.3 -3.7 2500 119 14 89 6| 1.1 2.0 3.1| 14.2 -22.6 -8.4 -3.4 -0.36| 8.4 -3.0 3000 118 14 87 6| 0.9 1.7 2.6| 14.2 -24.1 -9.9 -3.3 -0.38| 7.2 -2.7 4000 113 13 72 6| 1.2 1.7 2.8| 25.2 -37.5 -12.3 -3.1 -0.31| 7.6 -2.3 5000 110 12 62 6| 0.9 1.5 2.5| 26.2 -40.4 -14.2 -2.8 -0.30| 6.5 -2.0 6000 106 13 59 7| 0.9 1.4 2.3| 40.9 -48.7 -7.8 -1.3 -0.23| 6.2 -1.4 Wrote GIF file: /home/apache/climate/data/raob//SBNT/skewt/SBNT.skewt.20250425.00.gif