UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122312.upa.cvt Date: 1200Z 23 DEC 25 Searching for SBNT... Searching the city database file for: SBNT ... Date:1200Z 23 DEC 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 28.8 23.8 74 5.0 25.1 140 13 301.3 304.7 298.0 356.4 18.72 1 1000 111 26.2 22.1 78 4.1 23.2 140 18 299.4 302.4 296.4 348.9 16.98 2 998 129 25.6 21.9 80 3.7 22.9 138 18 298.9 302.0 296.1 347.9 16.80 3 952 543 21.8 21.5 98 0.3 21.6 124 20 299.1 302.3 296.5 349.3 17.20 4 936 690 20.8 19.5 92 1.3 19.9 123 19 299.6 302.4 295.4 344.6 15.42 5 925 793 20.2 18.9 92 1.3 19.3 120 18 300.0 302.7 295.3 343.9 15.02 6 850 1520 16.0 15.0 94 1.0 15.3 115 10 302.9 305.3 294.4 340.6 12.72 7 807 1960 13.4 12.0 91 1.4 12.5 115 11 304.7 306.7 293.7 337.5 10.99 8 787 2172 15.0 3.0 44 12.0 8.2 96 15 308.6 309.7 290.9 327.2 6.04 9 700 3158 11.0 -11.0 20 22.0 1.4 95 19 314.7 315.1 289.5 322.4 2.36 10 696 3206 11.2 -11.8 19 23.0 1.3 96 19 315.4 315.8 289.6 322.7 2.22 11 645 3836 6.8 -14.2 21 21.0 -1.7 89 22 317.4 317.7 289.9 323.9 1.97 12 614 4239 3.8 -4.2 56 8.0 -0.2 71 20 318.4 319.3 292.6 333.1 4.57 13 567 4883 0.8 -16.2 27 17.0 -5.7 54 21 322.2 322.6 291.3 328.7 1.90 14 500 5880 -6.5 -11.5 68 5.0 -8.6 10 27 325.1 325.7 293.3 335.8 3.17 15 482 6166 -8.5 -11.6 78 3.1 -9.8 352 28 326.1 326.7 293.6 337.1 3.27 16 461 6510 -10.1 -11.6 89 1.5 -10.7 337 29 328.3 328.9 294.3 339.8 3.42 17 400 7590 -17.3 -19.5 83 2.2 -18.0 320 17 332.5 332.9 294.3 339.7 2.04 18 384 7893 -19.7 -20.6 93 0.9 -20.0 327 18 333.3 333.6 294.3 340.1 1.93 19 350 8575 -22.9 -32.9 40 10.0 -24.9 318 18 337.9 338.0 294.4 340.5 0.69 20 300 9680 -32.3 -40.3 45 8.0 -33.3 345 28 339.9 339.9 294.6 341.3 0.38 21 264 10570 -40.3 -44.7 63 4.4 -40.6 354 36 340.8 340.9 294.8 341.9 0.27 22 250 10940 -43.5 -51.5 41 8.0 -44.0 345 34 341.4 341.4 294.8 341.9 0.13 23 247 11021 -44.3 -52.3 41 8.0 -44.7 346 33 341.4 341.4 294.8 341.9 0.12 24 219 11816 -51.1 -55.8 57 4.7 -51.2 340 26 342.8 342.9 295.1 343.2 0.09 25 215 11936 -51.9 -60.9 33 9.0 -52.1 335 27 343.4 343.4 295.2 343.6 0.05 26 200 12400 -56.1 -62.1 47 6.0 -56.2 340 24 343.9 343.9 295.3 344.1 0.04 27 196 12528 -57.3 -62.3 53 5.0 -57.4 343 23 344.0 344.0 295.3 344.2 0.04 28 176 13202 -62.1 -70.1 34 8.0 -62.2 355 20 346.9 346.9 296.0 346.9 0.02 29 168 13490 -61.3 -77.3 10 16.0 -61.4 355 30 352.8 352.9 297.3 352.9 0.01 30 150 14190 -63.9 -81.9 7 18.0 -64.0 310 44 360.0 360.0 298.7 360.0 0.00 31 103 16410 -78.3 -89.3 15 11.0 -78.3 26 26 373.3 373.3 301.1 373.3 0.00 32 100 16580 -74.7 -88.7 10 14.0 -74.7 35 27 383.4 383.4 302.8 383.4 0.00 33 99 16639 -74.3 -88.3 10 14.0 -74.3 35 27 385.3 385.3 303.1 385.3 0.00 34 72 18453 -83.3 -92.3 19 9.0 -83.3 65 23 402.9 402.9 305.6 402.9 0.00 35 70 18610 -81.5 -91.5 17 10.0 -81.5 45 15 410.0 410.0 306.5 410.0 0.00 36 66 18940 -81.5 -92.5 14 11.0 -81.5 40 12 417.0 417.0 307.3 417.0 0.00 37 61 19390 -75.1 -89.1 10 14.0 -75.2 60 12 440.7 440.7 310.0 440.7 0.00 38 57 19782 -76.3 -89.3 11 13.0 -76.3 77 18 446.6 446.6 310.6 446.6 0.00 39 52 20321 -69.3 -89.3 4 20.0 -69.5 69 21 474.8 474.8 313.0 474.8 0.00 TRP 72 18453 -83.3 -92.3 19 9.0 -83.3 65 23 402.9 402.9 305.6 402.9 0.00 WND Sounding variables and indices 1000-500 mb thick: 5769.00 m Freezing level: 559.66 mb = 4991.85 m = 16377.26 ft Wetbulb zero: 673.66 mb = 3476.01 m = 11404.11 ft Precipitable water: 1.75 inches Sfc-500 mean rel hum: 54.97 % Est. max temperature: 30.12 C = 86.22 F Sfc-Lift cond lev (LCL): 937.88 mb = 672.96 m = 2207.86 ft T: 20.92 C 700-500 lapse rate: 6.43 C/km ThetaE index: 26.94 C Layer 936.0- 696.0 mb Conv cond level (CCL): 926.55 mb = 778.50 m = 2554.10 ft Mean mixing ratio: 16.35 g/kg Conv temperature: 27.44 C = 81.39 F Cap Strength: 1.57 C Lifted Index: -2.59 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.44 C Lifted Index @700 mb: 1.14 C Showalter Index: 0.04 C Risk: Thunderstorms probable Total Totals Index: 44.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.50 C Cross Totals Index: 21.50 C K Index: 15.50 Risk: < 20 % chance of thunderstorms Sweat Index: 227.00 Risk: None Energy Index: -0.95 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 830.32 J/kg Max Up Vert Vel: 40.75 m/s Conv Inhibition (B-): 2.06 J/kg Cap Strength: 1.78 C Lift Cond Lev (LCL): 932.59 mb = 722.04 m = 2368.87 ft Lev Free Conv (LFC): 917.59 mb = 862.12 m = 2828.43 ft Equ Level (EL): 787.59 mb = 2165.56 m = 7104.78 ft B at Equ Level: 43.12 J/kg Max Parcel Lev (MPL): 677.59 mb = 3427.82 m = 11245.98 ft Wind level data Storm motion: 113 at 14 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 13 -8.4 10.0 | 223 6 4.3 4.7 1 1000 111 140 18 -11.6 13.8 | 187 9 1.1 8.5 2 978 305 120 21 -18.2 10.5 | 133 8 -5.5 5.2 3 945 610 125 20 -16.4 11.5 | 149 7 -3.7 6.2 4 925 793 120 18 -15.6 9.0 | 142 5 -2.9 3.7 5 912 914 120 16 -13.9 8.0 | 157 3 -1.2 2.7 6 850 1520 115 10 -9.1 4.2 | 286 4 3.6 -1.1 7 850 1524 125 12 -9.8 6.9 | 241 3 2.8 1.6 8 819 1829 130 8 -6.1 5.1 | 271 7 6.5 -0.1 9 790 2134 95 15 -14.9 1.3 | 30 5 -2.3 -4.0 10 762 2438 100 15 -14.8 2.6 | 38 3 -2.1 -2.7 11 735 2743 80 14 -13.8 -2.4 | 8 8 -1.1 -7.7 12 700 3158 95 19 -18.9 1.7 | 60 7 -6.3 -3.6 13 658 3658 105 23 -22.2 6.0 | 94 10 -9.5 0.7 14 634 3962 75 22 -21.3 -5.7 | 38 14 -8.6 -11.0 15 610 4267 70 20 -18.8 -6.8 | 27 14 -6.1 -12.1 16 506 5791 30 22 -11.0 -19.1 | 356 24 1.7 -24.3 17 500 5880 10 27 -4.7 -26.6 | 346 33 8.0 -31.9 18 486 6096 355 27 2.4 -26.9 | 335 36 15.0 -32.2 19 467 6401 340 31 10.6 -29.1 | 326 42 23.3 -34.4 20 431 7010 320 21 13.5 -16.1 | 309 34 26.2 -21.4 21 415 7315 325 19 10.9 -15.6 | 311 31 23.6 -20.8 22 400 7590 320 17 10.9 -13.0 | 308 30 23.6 -18.3 23 398 7620 305 17 13.9 -9.8 | 299 31 26.6 -15.0 24 382 7925 330 18 9.0 -15.6 | 314 30 21.7 -20.9 25 366 8230 305 17 13.9 -9.8 | 299 31 26.6 -15.0 26 323 9144 340 20 6.8 -18.8 | 321 31 19.5 -24.1 27 300 9680 345 28 7.2 -27.0 | 328 38 19.9 -32.3 28 260 10668 355 37 3.2 -36.9 | 339 45 15.9 -42.1 29 250 10940 345 34 8.8 -32.8 | 331 44 21.5 -38.1 30 227 11582 355 25 2.2 -24.9 | 334 34 14.9 -30.2 31 216 11887 335 27 11.4 -24.5 | 321 38 24.1 -29.8 32 200 12400 340 24 8.2 -22.6 | 323 35 20.9 -27.8 33 179 13106 355 17 1.5 -16.9 | 327 26 14.2 -22.2 34 162 13716 355 38 3.3 -37.9 | 340 46 16.0 -43.1 35 154 14021 330 47 23.5 -40.7 | 322 59 36.2 -46.0 36 150 14190 310 44 33.7 -28.3 | 306 57 46.4 -33.6 37 139 14630 305 43 35.2 -24.7 | 302 56 47.9 -29.9 38 113 15850 340 28 9.6 -26.3 | 325 39 22.3 -31.6 39 102 16459 30 26 -13.0 -22.5 | 1 28 -0.3 -27.8 40 100 16580 35 27 -15.5 -22.1 | 6 28 -2.8 -27.4 41 97 16764 35 27 -15.5 -22.1 | 6 28 -2.8 -27.4 42 92 17069 30 15 -7.5 -13.0 | 344 19 5.2 -18.3 43 87 17374 45 10 -7.1 -7.1 | 336 14 5.6 -12.4 44 82 17678 110 10 -9.4 3.4 | 300 4 3.3 -1.9 45 78 17983 115 15 -13.6 6.3 | 139 1 -0.9 1.1 46 74 18288 80 23 -22.7 -4.0 | 47 14 -10.0 -9.3 47 72 18453 65 23 -20.8 -9.7 | 29 17 -8.2 -15.0 48 70 18593 65 23 -20.8 -9.7 | 29 17 -8.2 -15.0 49 70 18610 45 15 -10.6 -10.6 | 353 16 2.1 -15.9 50 66 18898 40 12 -7.7 -9.2 | 341 15 5.0 -14.5 51 63 19202 45 8 -5.7 -5.7 | 327 13 7.0 -10.9 52 59 19507 80 17 -16.7 -3.0 | 26 9 -4.1 -8.2 53 50 20422 65 23 -20.8 -9.7 | 29 17 -8.2 -15.0 54 47 20726 90 29 -29.0 0.0 | 72 17 -16.3 -5.3 Wind Parameters Mean winds (0-6000m): 82.6 at 18.3 knts Storm direction: 112.6 at 13.7 knts Shear (0-3000m) pos: 0.6 neg: 2.7 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): -177.0 deg Storm rel helicity (0-3000m) pos: 21.0 neg: -26.5 tot: -5.6 m^2/s^2 ave: -1.9 10^-3 m/s^2 rel: 0.06 Storm rel vorticity (0-3000m) horiz: 8.3 stream: 0.5 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 31.05 Bulk Shear: 26.74 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 ------------------------------------------------------------------------------- 500 127 19 155 7| 0.0 8.7 8.7| 2.6 -20.7 -18.1 -36.1 -0.77| 13.3-10.2 1000 124 19 153 6| 0.0 2.7 2.7| 4.2 -21.3 -17.1 -17.1 -0.45| 9.7 -4.4 1500 123 16 162 4| 1.2 1.8 3.0| 5.5 -23.0 -17.5 -11.7 -0.30| 8.6 -2.6 2000 122 15 183 3| 0.9 2.6 3.4| 10.5 -23.0 -12.5 -6.3 -0.04| 9.0 -0.3 2500 117 15 161 2| 0.7 2.7 3.4| 12.1 -24.1 -12.0 -4.8 -0.00| 8.4 -0.0 3000 112 15 105 1| 0.6 2.7 3.3| 21.0 -26.5 -5.6 -1.9 0.06| 8.3 0.5 4000 106 17 78 3| 0.6 3.0 3.6| 34.7 -61.4 -26.6 -6.7 -0.03| 8.8 -0.3 5000 96 17 53 6| 0.4 3.0 3.4| 34.7 -89.2 -54.5 -10.9 -0.11| 8.0 -0.9 6000 83 18 36 9| 0.4 3.6 4.0| 34.7-203.9-169.1 -28.2 -0.24| 8.6 -2.1 Wrote GIF file: /home/apache/climate/data/raob//SBNT/skewt/SBNT.skewt.20251223.12.gif