UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120612.upa.cvt Date: 1200Z 6 DEC 25 Searching for SBNT... Searching the city database file for: SBNT ... Date:1200Z 6 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 1010 52 30.4 22.4 62 8.0 24.6 100 8 302.7 305.8 297.4 353.4 17.13 1 1000 123 26.6 21.6 74 5.0 23.0 110 14 299.8 302.8 296.1 347.9 16.46 2 996 158 25.8 21.3 76 4.5 22.6 111 15 299.3 302.2 295.9 346.6 16.22 3 950 573 21.8 20.1 90 1.7 20.6 115 18 299.3 302.2 295.6 345.4 15.78 4 925 804 20.6 17.3 81 3.3 18.4 120 22 300.4 302.9 294.3 340.1 13.55 5 868 1352 16.8 14.4 86 2.4 15.2 125 21 301.9 304.1 293.6 337.3 11.97 6 851 1521 16.0 11.3 74 4.7 13.0 125 21 302.8 304.6 292.3 332.3 9.93 7 850 1531 16.0 11.0 72 5.0 12.9 120 20 302.9 304.7 292.2 331.9 9.74 8 839 1642 17.2 2.2 36 15.0 9.0 114 20 305.3 306.3 289.2 321.6 5.35 9 832 1714 17.8 6.8 48 11.0 11.2 110 20 306.7 308.1 291.5 329.3 7.47 10 792 2134 15.6 8.6 63 7.0 11.3 85 21 308.7 310.3 293.3 335.8 8.89 11 703 3134 8.6 -4.4 39 13.0 2.2 99 10 311.6 312.4 290.0 324.0 3.92 12 700 3169 9.0 -14.0 18 23.0 -0.2 100 10 312.5 312.8 288.2 318.5 1.85 13 699 3181 9.6 -21.4 9 31.0 -1.1 100 10 313.2 313.4 287.6 316.6 0.99 14 691 3276 10.2 -29.8 4 40.0 -1.6 97 11 314.9 315.0 287.6 316.6 0.47 15 503 5833 -6.3 -36.3 7 30.0 -12.9 33 9 324.8 324.9 290.6 326.1 0.34 16 500 5880 -6.3 -38.3 6 32.0 -13.0 30 7 325.4 325.4 290.7 326.4 0.28 17 487 6086 -7.1 -45.1 3 38.0 -13.9 30 3 326.8 326.9 291.0 327.4 0.14 18 420 7230 -13.3 -39.3 9 26.0 -18.2 2 0 333.0 333.1 292.9 334.2 0.30 19 400 7600 -16.1 -41.1 10 25.0 -20.4 265 10 334.1 334.1 293.1 335.1 0.26 20 337 8867 -24.7 -43.7 15 19.0 -27.3 222 10 339.1 339.2 294.3 340.0 0.24 21 328 9063 -26.5 -48.5 11 22.0 -28.9 247 10 339.3 339.3 294.3 339.8 0.14 22 300 9700 -32.1 -43.1 33 11.0 -33.3 225 11 340.1 340.2 294.6 341.3 0.28 23 283 10109 -35.5 -38.7 72 3.2 -35.9 189 17 341.0 341.1 295.0 342.8 0.48 24 263 10615 -39.3 -45.3 53 6.0 -39.8 181 23 342.6 342.7 295.2 343.7 0.25 25 250 10960 -42.3 -46.0 67 3.7 -42.6 175 28 343.2 343.2 295.3 344.2 0.25 26 242 11178 -44.5 -47.2 74 2.7 -44.7 176 28 343.1 343.1 295.3 344.0 0.22 27 230 11515 -47.1 -53.1 50 6.0 -47.4 177 28 344.2 344.2 295.4 344.6 0.12 28 215 11956 -51.1 -54.2 69 3.1 -51.2 178 28 344.6 344.7 295.6 345.1 0.11 29 213 12016 -51.7 -57.7 49 6.0 -51.9 179 28 344.6 344.7 295.5 344.9 0.07 30 206 12231 -53.3 -58.3 54 5.0 -53.4 179 28 345.4 345.4 295.7 345.7 0.07 31 204 12294 -53.7 -66.7 19 13.0 -53.9 180 28 345.8 345.8 295.7 345.9 0.02 32 200 12420 -54.7 -62.7 37 8.0 -54.9 180 28 346.1 346.2 295.8 346.3 0.04 33 199 12452 -55.1 -63.1 36 8.0 -55.3 174 28 346.0 346.0 295.8 346.2 0.04 34 192 12680 -56.1 -73.1 10 17.0 -56.3 174 28 348.0 348.0 296.2 348.0 0.01 35 165 13624 -64.5 -69.1 53 4.6 -64.6 183 46 349.3 349.3 296.5 349.4 0.02 36 150 14200 -69.1 -74.1 48 5.0 -69.1 180 45 351.1 351.1 296.8 351.1 0.01 37 148 14280 -69.7 -74.7 48 5.0 -69.7 181 44 351.4 351.4 297.0 351.4 0.01 38 120 15517 -75.7 -81.7 38 6.0 -75.7 174 12 362.1 362.1 299.1 362.1 0.00 39 100 16570 -77.7 -86.7 22 9.0 -77.7 150 16 377.6 377.6 301.9 377.6 0.00 40 97 16743 -78.5 -86.5 26 8.0 -78.5 125 10 379.3 379.3 302.1 379.4 0.00 41 86 17427 -77.3 -87.3 19 10.0 -77.3 85 14 395.1 395.1 304.5 395.1 0.00 42 78 17979 -80.7 -89.7 21 9.0 -80.7 51 11 399.2 399.2 305.1 399.2 0.00 43 70 18590 -78.5 -88.5 18 10.0 -78.6 80 20 416.4 416.4 307.3 416.5 0.00 44 65 19013 -77.5 -88.5 15 11.0 -77.6 73 21 427.5 427.6 308.6 427.6 0.00 45 62 19286 -73.7 -87.7 10 14.0 -73.7 54 18 441.8 441.8 310.1 441.8 0.00 46 50 20550 -70.9 -89.9 4 19.0 -71.1 100 36 476.4 476.4 313.2 476.4 0.00 47 39 22035 -68.9 -90.9 3 22.0 -69.1 84 44 516.6 516.6 316.1 516.6 0.00 48 33 23060 -59.9 -88.9 1 29.0 -60.7 90 49 565.7 565.7 318.9 565.7 0.00 49 30 23660 -57.9 -87.9 1 30.0 -59.0 90 51 586.8 586.8 320.0 586.8 0.01 50 28 24096 -56.7 -87.7 1 31.0 -58.1 90 53 601.8 601.8 320.7 601.9 0.01 51 27 24326 -57.3 -87.3 1 30.0 -58.7 90 54 606.4 606.4 320.9 606.5 0.01 TRP 97 16743 -78.5 -86.5 26 8.0 -78.5 125 10 379.3 379.3 302.1 379.4 0.00 WND Sounding variables and indices 1000-500 mb thick: 5757.00 m Freezing level: 574.78 mb = 4856.93 m = 15934.60 ft Wetbulb zero: 700.26 mb = 3165.90 m = 10386.69 ft Precipitable water: 1.36 inches Sfc-500 mean rel hum: 37.21 % Est. max temperature: 30.05 C = 86.09 F Sfc-Lift cond lev (LCL): 899.88 mb = 1041.23 m = 3416.07 ft T: 18.95 C 700-500 lapse rate: 5.64 C/km ThetaE index: 31.79 C Layer 1000.0- 832.0 mb Conv cond level (CCL): 896.61 mb = 1072.55 m = 3518.81 ft Mean mixing ratio: 15.33 g/kg Conv temperature: 28.85 C = 83.93 F Cap Strength: 2.16 C Lifted Index: -1.40 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.77 C Lifted Index @700 mb: -0.10 C Showalter Index: 4.05 C Risk: None Total Totals Index: 39.60 C Risk: None Vertical Totals Index: 22.30 C Cross Totals Index: 17.30 C K Index: 10.30 Risk: None Sweat Index: 179.00 Risk: None Energy Index: -0.88 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 162.86 J/kg Max Up Vert Vel: 18.05 m/s Conv Inhibition (B-): 9.74 J/kg Cap Strength: 2.87 C Lift Cond Lev (LCL): 914.06 mb = 906.48 m = 2973.99 ft Lev Free Conv (LFC): 879.06 mb = 1242.85 m = 4077.53 ft Equ Level (EL): 839.06 mb = 1641.40 m = 5385.10 ft B at Equ Level: 6.22 J/kg Max Parcel Lev (MPL): 829.06 mb = 1743.82 m = 5721.13 ft Wind level data Storm motion: 121 at 12 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 1010 52 100 8 -7.9 1.4 | 333 5 2.5 -4.8 1 1000 123 110 14 -13.2 4.8 | 63 3 -2.8 -1.4 2 979 305 115 17 -15.4 7.2 | 101 5 -5.1 1.0 3 946 610 115 18 -16.3 7.6 | 103 6 -6.0 1.4 4 925 804 120 22 -19.1 11.0 | 119 10 -8.7 4.8 5 913 914 125 20 -16.4 11.5 | 131 8 -6.0 5.3 6 851 1524 125 21 -17.2 12.0 | 130 9 -6.9 5.9 7 850 1531 120 20 -17.3 10.0 | 119 8 -7.0 3.8 8 791 2134 85 21 -20.9 -1.8 | 53 13 -10.6 -8.0 9 763 2438 80 20 -19.7 -3.5 | 44 13 -9.3 -9.7 10 736 2743 100 10 -9.8 1.7 | 354 4 0.5 -4.5 11 710 3048 95 9 -9.0 0.8 | 346 6 1.4 -5.4 12 700 3169 100 10 -9.8 1.7 | 354 4 0.5 -4.5 13 634 3962 75 15 -14.5 -3.9 | 22 11 -4.1 -10.1 14 611 4267 90 15 -15.0 0.0 | 37 8 -4.7 -6.2 15 588 4572 65 12 -10.9 -5.1 | 3 11 -0.5 -11.3 16 525 5486 65 24 -21.8 -10.1 | 35 20 -11.4 -16.3 17 506 5791 35 10 -5.7 -8.2 | 342 15 4.6 -14.4 18 500 5880 30 7 -3.5 -6.1 | 331 14 6.8 -12.3 19 486 6096 30 3 -1.5 -2.6 | 315 12 8.8 -8.8 20 467 6401 20 1 -0.3 -0.9 | 305 12 10.0 -7.1 21 415 7315 0 0 -0.0 -0.0 | 301 12 10.3 -6.2 22 400 7600 265 10 10.0 0.9 | 285 21 20.3 -5.3 23 399 7620 265 10 10.0 0.9 | 285 21 20.3 -5.3 24 367 8230 200 8 2.7 7.5 | 264 13 13.1 1.3 25 352 8534 180 10 0.0 10.0 | 250 11 10.3 3.8 26 324 9144 260 10 9.8 1.7 | 282 21 20.2 -4.5 27 300 9700 225 11 7.8 7.8 | 265 18 18.1 1.6 28 298 9754 230 10 7.7 6.4 | 269 18 18.0 0.2 29 285 10058 190 16 2.8 15.8 | 234 16 13.1 9.6 30 250 10960 175 28 -2.4 27.9 | 200 23 7.9 21.7 31 200 12420 180 28 0.0 28.0 | 205 24 10.3 21.8 32 198 12497 165 29 -7.5 28.0 | 187 22 2.8 21.8 33 188 12802 180 28 0.0 28.0 | 205 24 10.3 21.8 34 154 14021 185 55 4.8 54.8 | 197 51 15.1 48.6 35 150 14200 180 45 0.0 45.0 | 195 40 10.3 38.8 36 139 14630 185 42 3.7 41.8 | 201 38 14.0 35.6 37 132 14935 155 28 -11.8 25.4 | 176 19 -1.5 19.2 38 119 15545 175 11 -1.0 11.0 | 243 11 9.4 4.8 39 113 15850 150 12 -6.0 10.4 | 226 6 4.3 4.2 40 107 16154 190 10 1.7 9.8 | 253 13 12.1 3.7 41 100 16570 150 16 -8.0 13.9 | 197 8 2.3 7.7 42 97 16743 125 10 -8.2 5.7 | 282 2 2.2 -0.5 43 97 16764 150 16 -8.0 13.9 | 197 8 2.3 7.7 44 92 17069 125 10 -8.2 5.7 | 282 2 2.2 -0.5 45 87 17374 85 14 -13.9 -1.2 | 26 8 -3.6 -7.4 46 82 17678 85 15 -14.9 -1.3 | 31 9 -4.6 -7.5 47 78 17983 50 11 -8.4 -7.1 | 352 13 1.9 -13.3 48 74 18288 85 14 -13.9 -1.2 | 26 8 -3.6 -7.4 49 70 18590 80 20 -19.7 -3.5 | 44 13 -9.3 -9.7 50 66 18898 75 23 -22.2 -6.0 | 44 17 -11.9 -12.1 51 63 19202 70 18 -16.9 -6.2 | 28 14 -6.6 -12.4 52 60 19507 20 17 -5.8 -16.0 | 348 23 4.5 -22.2 53 57 19812 25 15 -6.3 -13.6 | 349 20 4.0 -19.8 54 54 20117 60 9 -7.8 -4.5 | 347 11 2.6 -10.7 55 51 20422 105 18 -17.4 4.7 | 78 7 -7.0 -1.5 56 50 20550 100 36 -35.5 6.3 | 90 25 -25.1 0.1 57 49 20726 105 36 -34.8 9.3 | 97 25 -24.4 3.1 58 44 21336 75 39 -37.7 -10.1 | 59 32 -27.3 -16.3 59 36 22555 90 47 -47.0 0.0 | 80 37 -36.7 -6.2 60 30 23660 90 51 -51.0 0.0 | 81 41 -40.7 -6.2 61 25 24384 90 56 -56.0 0.0 | 82 46 -45.7 -6.2 62 24 24689 85 55 -54.8 -4.8 | 76 46 -44.4 -11.0 Wind Parameters Mean winds (0-6000m): 90.9 at 16.1 knts Storm direction: 120.9 at 12.1 knts Shear (0-3000m) pos: 2.0 neg: 2.1 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): 13.1 deg Storm rel helicity (0-3000m) pos: 16.0 neg: -50.9 tot: -34.9 m^2/s^2 ave: -11.6 10^-3 m/s^2 rel: -0.16 Storm rel vorticity (0-3000m) horiz: 8.1 stream: -1.3 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 32.58 Bulk Shear: 5.00 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 ------------------------------------------------------------------------------- 500 113 16 90 4| 10.6 0.0 10.6| 7.3 0.0 7.3 14.6 0.86| 11.8 10.2 1000 117 18 110 6| 6.9 0.0 6.9| 16.0 -0.0 15.9 15.9 0.78| 9.1 7.1 1500 120 19 118 7| 4.6 0.8 5.4| 16.0 -5.1 10.9 7.3 0.56| 7.1 4.0 2000 116 19 107 7| 3.4 3.2 6.7| 16.0 -29.0 -13.0 -6.5 0.07| 8.0 0.6 2500 109 19 91 8| 2.8 2.5 5.3| 16.0 -42.7 -26.8 -10.7 -0.05| 8.0 -0.4 3000 108 18 83 7| 2.0 2.1 4.1| 16.0 -50.9 -34.9 -11.6 -0.16| 8.1 -1.3 4000 103 16 67 6| 1.5 2.2 3.7| 23.5 -50.9 -27.4 -6.9 -0.06| 7.3 -0.4 5000 98 16 54 7| 1.2 2.3 3.5| 42.7 -63.6 -20.9 -4.2 -0.03| 7.4 -0.2 6000 91 16 44 8| 1.0 1.5 2.6| 56.6-156.2 -99.6 -16.6 -0.21| 8.5 -1.8 Wrote GIF file: /home/apache/climate/data/raob//SBNT/skewt/SBNT.skewt.20251206.12.gif