UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121612.upa.cvt Date: 1200Z 16 DEC 25 Searching for SBNT... Searching the city database file for: SBNT ... Date:1200Z 16 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 29.0 22.0 66 7.0 23.9 100 10 301.5 304.5 296.8 350.8 16.74 1 1003 88 26.2 21.2 74 5.0 22.6 100 12 299.1 302.0 295.7 345.7 16.00 2 1000 110 26.0 21.0 74 5.0 22.5 100 13 299.1 302.0 295.6 345.4 15.85 3 925 792 19.8 18.9 95 0.9 19.2 120 17 299.6 302.3 295.1 343.4 15.02 4 922 820 19.4 18.6 95 0.8 18.9 119 17 299.4 302.1 295.0 342.6 14.79 5 850 1519 15.6 14.9 96 0.7 15.1 145 17 302.5 304.8 294.3 339.9 12.64 6 835 1670 14.8 14.1 96 0.7 14.3 155 17 303.2 305.4 294.1 339.4 12.21 7 798 2053 12.6 12.3 98 0.3 12.4 165 18 304.8 306.9 294.0 338.7 11.34 8 778 2266 11.8 10.2 90 1.6 10.8 180 15 306.2 308.0 293.4 336.6 10.10 9 758 2486 15.2 3.2 45 12.0 8.3 198 12 312.1 313.3 292.2 332.0 6.36 10 739 2701 14.0 -2.0 33 16.0 5.6 189 10 313.1 313.9 290.9 327.2 4.47 11 733 2770 13.4 -0.6 38 14.0 5.9 186 9 313.2 314.1 291.4 328.9 5.00 12 700 3156 10.6 -4.4 35 15.0 3.1 170 6 314.2 315.0 290.8 326.8 3.94 13 687 3312 10.4 -14.6 16 25.0 0.3 189 5 315.7 316.0 289.2 321.7 1.79 14 671 3508 9.4 -8.6 27 18.0 1.1 213 5 316.7 317.3 290.7 326.4 2.97 15 618 4183 3.4 -9.6 38 13.0 -2.3 297 2 317.4 317.9 290.9 327.1 2.99 16 552 5093 -0.7 -26.7 12 26.0 -8.4 337 1 322.9 323.1 290.5 325.7 0.78 17 500 5880 -3.7 -40.7 4 37.0 -11.5 115 3 328.5 328.6 291.5 329.4 0.22 18 493 5991 -4.1 -45.1 2 41.0 -12.0 133 3 329.4 329.4 291.7 329.9 0.14 19 400 7600 -16.7 -45.7 6 29.0 -21.0 100 3 333.3 333.3 292.7 333.9 0.16 20 340 8793 -26.9 -48.9 11 22.0 -29.2 119 13 335.3 335.3 293.3 335.8 0.13 21 300 9680 -33.9 -52.9 13 19.0 -35.3 145 25 337.6 337.6 293.8 338.0 0.09 22 280 10159 -38.3 -54.3 17 16.0 -39.2 145 23 338.0 338.0 293.9 338.3 0.09 23 252 10876 -42.5 -62.5 9 20.0 -43.3 167 30 342.1 342.1 294.8 342.2 0.03 24 250 10930 -42.9 -62.9 9 20.0 -43.6 165 33 342.3 342.3 294.9 342.4 0.03 25 217 11871 -50.7 -61.7 26 11.0 -51.0 167 40 344.4 344.4 295.4 344.5 0.04 26 200 12400 -54.5 -69.5 14 15.0 -54.8 170 35 346.5 346.5 295.8 346.5 0.02 27 185 12894 -58.3 -71.3 17 13.0 -58.5 160 34 348.1 348.1 296.2 348.2 0.01 28 150 14190 -64.9 -79.9 11 15.0 -65.0 220 17 358.3 358.3 298.4 358.3 0.00 29 118 15616 -74.9 -83.9 23 9.0 -74.9 228 25 365.3 365.3 299.7 365.3 0.00 30 100 16570 -77.3 -87.3 19 10.0 -77.3 175 13 378.4 378.4 302.0 378.4 0.00 31 76 18126 -83.1 -92.1 19 9.0 -83.1 110 29 397.2 397.2 304.8 397.2 0.00 32 75 18200 -80.1 -90.1 17 10.0 -80.1 108 29 405.0 405.0 305.9 405.0 0.00 33 71 18510 -81.7 -91.7 17 10.0 -81.7 90 34 407.9 407.9 306.2 407.9 0.00 34 70 18590 -80.1 -91.1 14 11.0 -80.1 85 35 413.0 413.0 306.9 413.0 0.00 35 66 18925 -77.1 -89.1 13 12.0 -77.1 79 36 426.6 426.6 308.4 426.6 0.00 36 62 19282 -78.7 -90.7 12 12.0 -78.7 73 26 430.7 430.7 308.9 430.7 0.00 37 56 19875 -69.9 -89.9 4 20.0 -70.1 86 16 463.5 463.5 312.1 463.5 0.00 38 50 20550 -69.3 -90.3 3 21.0 -69.5 80 30 480.2 480.2 313.5 480.2 0.00 39 47 20919 -69.5 -90.5 3 21.0 -69.7 76 30 488.3 488.3 314.1 488.3 0.00 40 39 22051 -62.3 -90.3 1 28.0 -62.9 95 51 533.2 533.2 317.1 533.3 0.00 41 30 23680 -59.7 -87.7 1 28.0 -60.6 85 49 581.9 581.9 319.8 581.9 0.01 42 20 26260 -52.9 -83.9 1 31.0 -55.6 105 53 674.3 674.3 323.6 674.4 0.02 43 18 26940 -52.5 -84.5 1 32.0 -55.5 103 50 696.1 696.1 324.3 696.3 0.02 44 16 27696 -55.9 -84.9 1 29.0 -58.3 95 45 708.9 708.9 324.7 709.0 0.02 TRP 76 18126 -83.1 -92.1 19 9.0 -83.1 110 29 397.2 397.2 304.8 397.2 0.00 WND Sounding variables and indices 1000-500 mb thick: 5770.00 m Freezing level: 563.27 mb = 4937.89 m = 16200.23 ft Wetbulb zero: 653.63 mb = 3723.23 m = 12215.18 ft Precipitable water: 1.58 inches Sfc-500 mean rel hum: 50.79 % Est. max temperature: 29.68 C = 85.42 F Sfc-Lift cond lev (LCL): 910.94 mb = 923.90 m = 3031.13 ft T: 18.84 C 700-500 lapse rate: 5.25 C/km ThetaE index: 23.52 C Layer 1003.0- 733.0 mb Conv cond level (CCL): 916.23 mb = 874.05 m = 2867.59 ft Mean mixing ratio: 15.35 g/kg Conv temperature: 27.20 C = 80.95 F Cap Strength: 3.17 C Lifted Index: 1.38 C Risk: Showers probable Lifted Index @300 mb: -2.34 C Lifted Index @700 mb: 1.62 C Showalter Index: 3.14 C Risk: None Total Totals Index: 37.90 C Risk: None Vertical Totals Index: 19.30 C Cross Totals Index: 18.60 C K Index: 19.20 Risk: < 20 % chance of thunderstorms Sweat Index: 215.80 Risk: None Energy Index: -1.91 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 336.84 J/kg Max Up Vert Vel: 25.96 m/s Conv Inhibition (B-): 1.16 J/kg Cap Strength: 3.04 C Lift Cond Lev (LCL): 919.43 mb = 844.16 m = 2769.52 ft Lev Free Conv (LFC): 904.43 mb = 985.55 m = 3233.38 ft Equ Level (EL): 764.43 mb = 2414.56 m = 7921.69 ft B at Equ Level: 31.93 J/kg Max Parcel Lev (MPL): 734.43 mb = 2753.13 m = 9032.45 ft Wind level data Storm motion: 174 at 6 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 52 100 10 -9.8 1.7 | 63 10 -9.2 -4.7 1 1000 110 100 13 -12.8 2.3 | 71 13 -12.1 -4.2 2 978 305 100 16 -15.8 2.8 | 76 16 -15.1 -3.7 3 944 610 110 15 -14.1 5.1 | 84 13 -13.4 -1.3 4 925 792 120 17 -14.7 8.5 | 98 14 -14.1 2.0 5 912 914 115 19 -17.2 8.0 | 95 17 -16.6 1.6 6 880 1219 115 20 -18.1 8.5 | 96 18 -17.5 2.0 7 850 1519 145 17 -9.8 13.9 | 129 12 -9.1 7.5 8 819 1829 165 17 -4.4 16.4 | 159 11 -3.7 10.0 9 790 2134 165 18 -4.7 17.4 | 160 12 -4.0 10.9 10 762 2438 200 12 4.1 11.3 | 225 7 4.8 4.8 11 700 3156 170 6 -1.0 5.9 | 34 1 -0.4 -0.6 12 610 4267 310 2 1.5 -1.3 | 344 8 2.2 -7.7 13 506 5791 0 0 -0.0 -0.0 | 354 6 0.7 -6.5 14 500 5880 115 3 -2.7 1.3 | 22 6 -2.1 -5.2 15 486 6096 150 3 -1.5 2.6 | 12 4 -0.8 -3.9 16 400 7600 100 3 -3.0 0.5 | 21 6 -2.3 -5.9 17 382 7925 90 2 -2.0 0.0 | 12 7 -1.3 -6.5 18 367 8230 115 5 -4.5 2.1 | 42 6 -3.9 -4.4 19 337 8839 120 14 -12.1 7.0 | 93 11 -11.5 0.5 20 323 9144 145 18 -10.3 14.7 | 131 13 -9.7 8.3 21 300 9680 145 25 -14.3 20.5 | 136 20 -13.7 14.0 22 297 9754 145 25 -14.3 20.5 | 136 20 -13.7 14.0 23 272 10363 145 22 -12.6 18.0 | 134 17 -12.0 11.6 24 260 10668 175 19 -1.7 18.9 | 175 13 -1.0 12.5 25 250 10930 165 33 -8.5 31.9 | 163 27 -7.9 25.4 26 226 11582 165 42 -10.9 40.6 | 163 36 -10.2 34.1 27 200 12400 170 35 -6.1 34.5 | 169 29 -5.4 28.0 28 197 12497 170 35 -6.1 34.5 | 169 29 -5.4 28.0 29 179 13106 155 33 -13.9 29.9 | 150 27 -13.3 23.4 30 162 13716 175 24 -2.1 23.9 | 175 18 -1.4 17.4 31 150 14190 220 17 10.9 13.0 | 241 13 11.6 6.6 32 147 14326 220 17 10.9 13.0 | 241 13 11.6 6.6 33 132 14935 245 23 20.8 9.7 | 261 22 21.5 3.3 34 119 15545 230 25 19.2 16.1 | 244 22 19.8 9.6 35 113 15850 220 24 15.4 18.4 | 233 20 16.1 11.9 36 107 16154 255 22 21.3 5.7 | 272 22 21.9 -0.8 37 100 16570 175 13 -1.1 13.0 | 176 7 -0.5 6.5 38 97 16764 175 13 -1.1 13.0 | 176 7 -0.5 6.5 39 92 17069 140 17 -10.9 13.0 | 123 12 -10.3 6.6 40 76 18126 110 29 -27.3 9.9 | 97 27 -26.6 3.5 41 74 18288 105 30 -29.0 7.8 | 93 28 -28.3 1.3 42 70 18590 85 35 -34.9 -3.1 | 74 35 -34.2 -9.5 43 66 18898 80 37 -36.4 -6.4 | 70 38 -35.8 -12.9 44 60 19507 70 20 -18.8 -6.8 | 54 22 -18.1 -13.3 45 57 19812 90 15 -15.0 0.0 | 66 16 -14.3 -6.5 46 54 20117 75 17 -16.4 -4.4 | 55 19 -15.8 -10.9 47 51 20422 80 33 -32.5 -5.7 | 69 34 -31.8 -12.2 48 50 20550 80 30 -29.5 -5.2 | 68 31 -28.9 -11.7 49 46 21031 75 30 -29.0 -7.8 | 63 32 -28.3 -14.2 50 42 21641 95 48 -47.8 4.2 | 87 47 -47.2 -2.3 51 34 22860 95 57 -56.8 5.0 | 88 56 -56.1 -1.5 52 30 23680 85 49 -48.8 -4.3 | 77 49 -48.1 -10.7 53 23 25298 85 54 -53.8 -4.7 | 78 54 -53.1 -11.2 54 20 26260 105 53 -51.2 13.7 | 98 51 -50.5 7.3 55 19 26518 105 52 -50.2 13.5 | 98 50 -49.6 7.0 56 16 27127 95 45 -44.8 3.9 | 87 44 -44.2 -2.5 57 13 28042 115 45 -40.8 19.0 | 107 42 -40.1 12.6 Wind Parameters Mean winds (0-6000m): 144.1 at 8.7 knts Storm direction: 174.1 at 6.5 knts Shear (0-3000m) pos: 2.7 neg: 0.9 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 115.7 deg Storm rel helicity (0-3000m) pos: 101.9 neg: -3.3 tot: 98.6 m^2/s^2 ave: 32.9 10^-3 m/s^2 rel: 0.62 Storm rel vorticity (0-3000m) horiz: 8.3 stream: 5.2 10^-3/s Energy-Hel index: 0.17 Bulk Rich Number: 25.27 Bulk Shear: 13.33 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 ------------------------------------------------------------------------------- 500 102 15 76 14| 5.6 0.0 5.6| 16.3 0.0 16.3 32.7 0.59| 8.1 4.8 1000 109 16 85 14| 5.2 0.0 5.2| 29.4 -1.6 27.8 27.8 0.55| 7.2 4.0 1500 115 17 92 15| 4.3 0.0 4.3| 64.2 -1.6 62.5 41.7 0.67| 8.6 5.8 2000 126 17 105 14| 4.2 0.0 4.2| 79.6 -1.6 77.9 39.0 0.71| 8.0 5.7 2500 135 17 116 12| 3.2 0.0 3.2|101.9 -2.3 99.6 39.9 0.73| 8.9 6.5 3000 141 15 120 10| 2.7 0.9 3.6|101.9 -3.3 98.6 32.9 0.62| 8.3 5.2 4000 144 13 119 8| 2.1 0.7 2.8|107.4 -3.7 103.7 25.9 0.52| 7.6 3.9 5000 144 10 109 6| 1.4 0.5 2.0|112.4 -3.7 108.7 21.7 0.53| 6.4 3.4 6000 144 9 97 4| 1.1 0.4 1.5|117.9 -4.1 113.8 19.0 0.53| 5.8 3.1 Wrote GIF file: /home/apache/climate/data/raob//SBNT/skewt/SBNT.skewt.20251216.12.gif