UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102812.upa.cvt Date: 1200Z 28 OCT 25 Searching for SBNT... Searching the city database file for: SBNT ... Date:1200Z 28 OCT 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 1011 52 27.6 22.8 75 4.8 24.1 115 13 299.8 303.0 296.9 351.1 17.54 1 1008 75 24.8 21.8 83 3.0 22.7 116 17 297.3 300.3 295.6 345.1 16.53 2 1000 135 23.8 21.2 85 2.6 22.0 120 26 297.0 299.9 295.1 343.3 16.05 3 925 815 19.2 18.7 97 0.5 18.9 120 23 298.9 301.6 294.8 342.1 14.83 4 912 937 18.8 18.8 100 0.0 18.8 115 23 299.7 302.5 295.3 344.0 15.14 5 891 1137 17.4 17.3 99 0.1 17.4 117 24 300.3 302.9 294.7 341.6 14.08 6 850 1540 15.4 15.0 97 0.4 15.1 120 27 302.3 304.6 294.3 339.9 12.72 7 747 2630 11.2 9.3 88 1.9 10.0 130 20 309.1 311.0 294.1 339.2 9.90 8 725 2880 10.2 7.4 83 2.8 8.5 125 17 310.6 312.3 293.9 338.1 8.95 9 700 3173 10.0 -6.0 32 16.0 2.4 115 16 313.6 314.2 290.2 324.7 3.49 10 699 3185 10.0 -8.0 27 18.0 1.7 114 16 313.7 314.3 289.8 323.3 2.99 11 665 3599 9.2 94 17 317.3 12 659 3674 9.2 90 17 318.1 13 567 4901 0.0 -11.0 43 11.0 -4.7 70 14 321.3 321.8 292.0 331.0 2.91 14 527 5483 -3.7 -21.7 23 18.0 -9.5 60 22 323.6 323.9 291.2 328.1 1.28 15 504 5837 -3.1 -35.1 6 32.0 -10.9 64 6 328.5 328.6 291.7 330.0 0.38 16 500 5900 -3.5 -35.5 6 32.0 -11.2 65 3 328.8 328.8 291.7 330.2 0.37 17 435 6982 -10.1 -48.1 3 38.0 -16.3 19 1 333.8 333.8 292.9 334.2 0.11 18 400 7620 -14.5 -51.5 3 37.0 -19.7 100 10 336.1 336.2 293.4 336.5 0.08 19 321 9254 -26.1 -61.1 2 35.0 -28.9 105 15 341.9 341.9 294.8 342.1 0.03 20 300 9740 -30.3 -62.3 3 32.0 -32.4 135 14 342.7 342.7 295.0 342.8 0.03 21 250 11000 -41.7 -60.7 11 19.0 -42.5 140 7 344.1 344.1 295.3 344.3 0.04 22 244 11164 -43.1 -61.1 12 18.0 -43.8 163 9 344.4 344.4 295.4 344.6 0.04 23 200 12480 -51.9 -73.9 5 22.0 -52.3 245 25 350.6 350.6 296.8 350.6 0.01 24 183 13049 -56.1 -76.1 6 20.0 -56.3 239 28 352.8 352.8 297.3 352.8 0.01 25 154 14120 -65.5 -77.5 17 12.0 -65.6 255 34 354.6 354.6 297.6 354.6 0.01 26 150 14280 -66.3 -78.3 17 12.0 -66.4 260 35 355.9 355.9 297.9 355.9 0.01 27 129 15176 -73.3 -80.3 34 7.0 -73.3 269 36 359.0 359.0 298.5 359.0 0.00 28 100 16630 -82.5 -87.1 45 4.6 -82.5 285 34 368.3 368.3 300.2 368.3 0.00 29 94 16974 -84.3 -88.7 46 4.4 -84.3 275 29 371.4 371.4 300.8 371.4 0.00 30 74 18342 -71.1 -88.1 6 17.0 -71.2 133 11 425.5 425.5 308.3 425.5 0.00 31 70 18670 -72.3 -88.3 7 16.0 -72.4 160 7 429.7 429.7 308.8 429.7 0.00 32 68 18840 -73.5 -89.5 7 16.0 -73.6 151 6 430.7 430.7 308.9 430.7 0.00 33 63 19291 -70.1 -89.1 5 19.0 -70.2 127 5 447.7 447.7 310.6 447.7 0.00 34 57 19881 -73.5 -90.5 6 17.0 -73.6 101 4 453.0 453.0 311.1 453.0 0.00 35 53 20306 -74.1 -91.1 6 17.0 -74.2 108 11 461.1 461.1 311.9 461.1 0.00 36 50 20650 -69.7 -91.7 3 22.0 -69.9 75 23 479.2 479.2 313.4 479.2 0.00 37 43 21560 -64.5 -91.5 1 27.0 -64.9 78 33 513.2 513.2 315.8 513.2 0.00 38 37 22473 -67.1 -92.1 2 25.0 -67.4 82 43 529.0 529.0 316.9 529.0 0.00 39 36 22640 -64.1 -92.1 1 28.0 -64.6 82 44 540.9 540.9 317.6 540.9 0.00 TRP 94 16974 -84.3 -88.7 46 4.4 -84.3 275 29 371.4 371.4 300.8 371.4 0.00 WND Sounding variables and indices 1000-500 mb thick: 5765.00 m Freezing level: 567.00 mb = 4900.73 m = 16078.31 ft Wetbulb zero: 663.80 mb = 3614.09 m = 11857.11 ft Precipitable water: 1.75 inches Sfc-500 mean rel hum: 72.96 % Est. max temperature: 29.53 C = 85.16 F Sfc-Lift cond lev (LCL): 943.20 mb = 645.07 m = 2116.35 ft T: 20.35 C 700-500 lapse rate: 4.95 C/km ThetaE index: 20.67 C Layer 891.0- 665.0 mb Conv cond level (CCL): 929.25 mb = 775.04 m = 2542.74 ft Mean mixing ratio: 15.48 g/kg Conv temperature: 26.61 C = 79.90 F Cap Strength: 2.97 C Lifted Index: 2.05 C Risk: None Lifted Index @300 mb: 1.97 C Lifted Index @700 mb: 1.37 C Showalter Index: 3.34 C Risk: None Total Totals Index: 37.40 C Risk: None Vertical Totals Index: 18.90 C Cross Totals Index: 18.50 C K Index: 17.90 Risk: < 20 % chance of thunderstorms Sweat Index: 237.00 Risk: None Energy Index: -1.77 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 32.56 J/kg Max Up Vert Vel: 8.07 m/s Conv Inhibition (B-): 2.32 J/kg Cap Strength: 2.97 C Lift Cond Lev (LCL): 939.36 mb = 680.63 m = 2233.02 ft Lev Free Conv (LFC): 894.36 mb = 1105.03 m = 3625.39 ft Equ Level (EL): 744.36 mb = 2659.93 m = 8726.71 ft B at Equ Level: 26.39 J/kg Max Parcel Lev (MPL): 674.36 mb = 3482.96 m = 11426.88 ft Wind level data Storm motion: 139 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 1011 52 115 13 -11.8 5.5 | 20 6 -2.0 -5.6 1 1000 135 120 26 -22.5 13.0 | 98 13 -12.8 1.9 2 981 305 125 32 -26.2 18.4 | 114 18 -16.5 7.2 3 947 610 115 28 -25.4 11.8 | 93 16 -15.6 0.7 4 925 815 120 23 -19.9 11.5 | 92 10 -10.2 0.4 5 914 914 115 23 -20.8 9.7 | 83 11 -11.1 -1.4 6 850 1540 120 27 -23.4 13.5 | 100 14 -13.6 2.4 7 792 2134 120 22 -19.1 11.0 | 89 9 -9.3 -0.1 8 764 2438 130 24 -18.4 15.4 | 117 10 -8.6 4.3 9 737 2743 130 18 -13.8 11.6 | 96 4 -4.0 0.5 10 700 3173 115 16 -14.5 6.8 | 48 6 -4.7 -4.4 11 659 3658 90 17 -17.0 0.0 | 33 13 -7.2 -11.1 12 612 4267 120 18 -15.6 9.0 | 70 6 -5.8 -2.1 13 567 4877 70 14 -13.2 -4.8 | 12 16 -3.4 -15.9 14 526 5486 60 22 -19.1 -11.0 | 23 24 -9.3 -22.1 15 500 5900 65 3 -2.7 -1.3 | 330 14 7.0 -12.4 16 487 6096 355 3 0.3 -3.0 | 325 17 10.0 -14.1 17 433 7010 20 1 -0.3 -0.9 | 322 15 9.4 -12.1 18 400 7620 100 10 -9.8 1.7 | 1 9 -0.1 -9.4 19 368 8230 115 21 -19.0 8.9 | 76 10 -9.3 -2.2 20 325 9144 110 17 -16.0 5.8 | 50 8 -6.2 -5.3 21 312 9449 95 11 -11.0 1.0 | 7 10 -1.2 -10.2 22 300 9740 135 14 -9.9 9.9 | 7 1 -0.1 -1.2 23 299 9754 130 13 -10.0 8.4 | 4 3 -0.2 -2.8 24 262 10668 150 5 -2.5 4.3 | 313 10 7.3 -6.8 25 250 11000 140 7 -4.5 5.4 | 318 8 5.3 -5.8 26 240 11278 180 10 0.0 10.0 | 277 10 9.8 -1.1 27 229 11582 170 14 -2.4 13.8 | 250 8 7.3 2.7 28 219 11887 245 10 9.1 4.2 | 290 20 18.8 -6.9 29 209 12192 250 26 24.4 8.9 | 274 34 34.2 -2.2 30 200 12480 245 25 22.7 10.6 | 271 32 32.4 -0.5 31 172 13411 235 30 24.6 17.2 | 260 35 34.3 6.1 32 150 14280 260 35 34.5 6.1 | 276 45 44.2 -5.0 33 141 14630 265 39 38.9 3.4 | 279 49 48.6 -7.7 34 127 15240 270 36 36.0 -0.0 | 284 47 45.8 -11.1 35 109 16154 235 23 18.8 13.2 | 266 29 28.6 2.1 36 103 16459 275 28 27.9 -2.4 | 290 40 37.6 -13.6 37 100 16630 285 34 32.8 -8.8 | 295 47 42.6 -19.9 38 98 16764 285 34 32.8 -8.8 | 295 47 42.6 -19.9 39 94 16974 275 29 28.9 -2.5 | 289 41 38.6 -13.6 40 88 17374 270 13 13.0 -0.0 | 296 25 22.8 -11.1 41 83 17678 15 17 -4.4 -16.4 | 349 28 5.4 -27.5 42 79 17983 360 10 -0.0 -10.0 | 335 23 9.8 -21.1 43 75 18288 130 10 -7.7 6.4 | 336 5 2.1 -4.7 44 71 18593 145 16 -9.2 13.1 | 196 2 0.6 2.0 45 70 18670 160 7 -2.4 6.6 | 302 9 7.4 -4.5 46 58 19812 100 3 -3.0 0.5 | 327 13 6.8 -10.6 47 52 20422 110 13 -12.2 4.4 | 20 7 -2.5 -6.7 48 50 20650 75 23 -22.2 -6.0 | 36 21 -12.5 -17.1 49 49 20726 75 25 -24.1 -6.5 | 39 23 -14.4 -17.6 50 32 22860 85 52 -51.8 -4.5 | 70 45 -42.1 -15.6 Wind Parameters Mean winds (0-6000m): 108.7 at 19.7 knts Storm direction: 138.7 at 14.8 knts Shear (0-3000m) pos: 3.1 neg: 2.5 tot: 5.6 10-3/s Storm rel Dir Shear (0-3000m): 37.4 deg Storm rel helicity (0-3000m) pos: 53.1 neg: -39.9 tot: 13.2 m^2/s^2 ave: 4.4 10^-3 m/s^2 rel: 0.18 Storm rel vorticity (0-3000m) horiz: 9.3 stream: 1.7 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 2.63 Bulk Shear: 12.36 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 ------------------------------------------------------------------------------- 500 121 28 104 14| 16.2 0.0 16.2| 31.6 -17.9 13.7 27.4 0.49| 25.6 12.6 1000 119 26 98 13| 8.1 2.5 10.6| 33.4 -27.1 6.3 6.3 0.31| 16.9 5.2 1500 119 26 96 13| 6.5 1.7 8.1| 42.9 -27.1 15.9 10.6 0.36| 12.4 4.4 2000 119 26 96 13| 4.9 2.3 7.2| 42.9 -32.4 10.6 5.3 0.28| 10.4 2.9 2500 120 25 98 12| 3.8 1.9 5.6| 53.1 -33.7 19.4 7.7 0.31| 9.7 3.0 3000 121 24 97 11| 3.1 2.5 5.6| 53.1 -39.9 13.2 4.4 0.18| 9.3 1.7 4000 118 22 85 10| 2.8 2.4 5.2| 63.6 -48.0 15.6 3.9 0.15| 8.8 1.3 5000 115 21 76 10| 2.2 3.2 5.4| 72.3 -76.8 -4.6 -0.9 0.04| 9.1 0.3 6000 109 20 62 10| 1.8 3.0 4.9| 83.4-149.7 -66.4 -11.1 -0.10| 9.8 -0.9 Wrote GIF file: /home/apache/climate/data/raob//SBNT/skewt/SBNT.skewt.20251028.12.gif