UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122912.upa.cvt Date: 1200Z 29 DEC 25 Searching for SKLT... Searching the city database file for: SKLT ... Date:1200Z 29 DEC 25 Station: SKLT WMO ident: 80398 Latitude: -4.17 Longitude: -69.95 Elevation: 84.00 ------------------------------------------------------------------------------- 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 1003 84 24.0 23.5 97 0.5 23.6 0 0 296.9 300.2 296.7 350.3 18.47 1 1000 111 23.4 22.7 96 0.7 22.9 75 1 296.5 299.7 296.1 347.4 17.63 2 960 467 21.2 20.6 96 0.6 20.8 215 2 297.8 300.7 295.4 344.5 16.11 3 941 641 22.2 18.1 78 4.1 19.4 145 2 300.5 303.1 294.7 341.7 14.02 4 925 791 21.8 18.1 80 3.7 19.2 145 4 301.6 304.2 295.2 343.6 14.27 5 866 1363 19.6 15.3 76 4.3 16.7 143 8 305.0 307.4 295.1 343.1 12.73 6 850 1524 18.6 14.8 79 3.8 16.0 135 8 305.6 308.0 295.1 343.2 12.55 7 785 2202 13.6 12.6 94 1.0 13.0 149 9 307.3 309.5 295.0 342.8 11.76 8 749 2598 12.8 8.9 77 3.9 10.3 140 12 310.6 312.4 294.3 340.0 9.60 9 700 3164 9.0 5.9 81 3.1 7.1 100 20 312.5 314.0 293.9 338.3 8.35 10 635 3967 5.0 1.4 78 3.6 3.0 90 15 316.7 318.0 293.8 337.9 6.69 11 583 4660 0.2 -0.1 98 0.3 0.0 90 17 319.0 320.2 294.3 339.8 6.53 12 500 5880 -5.9 -6.6 95 0.7 -6.2 85 11 325.8 326.8 294.6 341.3 4.67 13 450 6700 -10.1 -11.7 88 1.6 -10.8 95 12 330.5 331.2 294.9 342.4 3.47 14 400 7600 -15.7 -17.2 88 1.5 -16.2 105 8 334.6 335.1 295.1 343.3 2.48 15 342 8765 -23.7 -25.2 87 1.5 -24.1 83 8 339.0 339.3 295.4 344.3 1.44 16 300 9710 -31.1 -34.2 74 3.1 -31.6 130 4 341.5 341.7 295.3 344.2 0.70 17 269 10470 -37.5 -41.4 67 3.9 -37.9 40 4 343.1 343.1 295.4 344.5 0.38 18 250 10970 -41.5 -44.9 69 3.4 -41.8 15 7 344.4 344.4 295.6 345.5 0.28 19 245 11107 -42.7 -46.1 69 3.4 -43.0 10 8 344.6 344.6 295.6 345.6 0.25 20 223 11734 -48.3 -50.9 74 2.6 -48.4 345 10 345.4 345.4 295.7 346.0 0.16 21 203 12345 -53.9 -60.9 42 7.0 -54.1 327 10 345.9 345.9 295.8 346.2 0.05 22 200 12440 -54.7 -64.7 28 10.0 -54.9 325 10 346.1 346.2 295.8 346.3 0.03 23 198 12504 -54.9 -67.9 19 13.0 -55.1 314 10 346.8 346.8 296.0 346.9 0.02 24 150 14220 -68.5 -77.5 26 9.0 -68.5 205 27 352.1 352.1 297.1 352.1 0.01 25 134 14888 -74.5 -79.4 47 4.9 -74.5 187 24 353.0 353.0 297.3 353.0 0.01 26 129 15109 -75.5 -81.5 38 6.0 -75.5 185 20 355.0 355.0 297.7 355.0 0.00 27 124 15340 -72.5 -84.5 15 12.0 -72.5 171 15 364.5 364.5 299.5 364.5 0.00 28 105 16303 -79.1 -84.1 44 5.0 -79.1 68 18 369.7 369.7 300.5 369.7 0.00 29 100 16580 -79.7 -87.7 25 8.0 -79.7 45 26 373.7 373.7 301.2 373.7 0.00 30 82 17694 -83.5 -90.5 28 7.0 -83.5 65 28 387.8 387.8 303.5 387.8 0.00 31 78 17976 -77.5 -88.5 15 11.0 -77.5 70 31 405.8 405.8 306.0 405.8 0.00 32 75 18201 -78.5 -90.5 12 12.0 -78.5 74 32 408.3 408.3 306.3 408.3 0.00 33 73 18356 -74.5 -89.5 8 15.0 -74.6 73 27 419.9 419.9 307.7 419.9 0.00 34 70 18600 -75.5 -89.5 9 14.0 -75.6 280 2 422.9 422.9 308.0 422.9 0.00 35 66 18938 -76.9 -89.9 11 13.0 -76.9 263 11 427.0 427.0 308.5 427.0 0.00 36 50 20550 -71.3 -90.3 4 19.0 -71.4 85 31 475.5 475.5 313.1 475.5 0.00 37 45 21171 -72.3 -91.3 4 19.0 -72.4 86 32 487.6 487.6 314.0 487.6 0.00 38 40 21869 -69.3 -91.3 3 22.0 -69.5 87 37 511.8 511.8 315.8 511.8 0.00 39 38 22180 -63.9 -90.9 1 27.0 -64.4 87 39 533.1 533.1 317.1 533.2 0.00 40 34 22860 -65.1 -91.1 2 26.0 -65.5 92 46 547.2 547.2 317.9 547.2 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5769.00 m Freezing level: 580.28 mb = 4699.80 m = 15419.11 ft Wetbulb zero: 582.74 mb = 4663.36 m = 15299.56 ft Precipitable water: 2.25 inches Sfc-500 mean rel hum: 86.30 % Est. max temperature: 32.63 C = 90.74 F Sfc-Lift cond lev (LCL): 996.16 mb = 144.59 m = 474.38 ft T: 23.19 C 700-500 lapse rate: 5.49 C/km ThetaE index: 8.69 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 839.34 mb = 1631.61 m = 5352.98 ft Mean mixing ratio: 15.45 g/kg Conv temperature: 33.02 C = 91.43 F Cap Strength: 2.53 C Lifted Index: -0.91 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.35 C Lifted Index @700 mb: -0.04 C Showalter Index: -0.41 C Risk: Thunderstorms probable Total Totals Index: 45.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.50 C Cross Totals Index: 20.70 C K Index: 36.20 Risk: > 80 % chance of thunderstorms Sweat Index: 204.60 Risk: None Energy Index: -0.44 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 130.59 J/kg Max Up Vert Vel: 16.16 m/s Conv Inhibition (B-): 115.81 J/kg Cap Strength: 2.54 C Lift Cond Lev (LCL): 922.34 mb = 815.96 m = 2677.00 ft Lev Free Conv (LFC): 697.34 mb = 3195.32 m = 10483.22 ft Equ Level (EL): 367.34 mb = 8233.47 m = 27012.37 ft B at Equ Level: 130.17 J/kg Max Parcel Lev (MPL): 187.34 mb = 12846.03 m = 42145.26 ft Wind level data Storm motion: 129 at 9 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 1003 84 0 0 -0.0 -0.0 | 309 9 7.1 -5.8 1 1000 111 75 1 -1.0 -0.3 | 315 9 6.2 -6.1 2 978 305 295 2 1.8 -0.8 | 307 11 8.9 -6.7 3 944 610 145 2 -1.1 1.6 | 305 7 6.0 -4.2 4 925 791 145 4 -2.3 3.3 | 298 5 4.8 -2.6 5 912 914 160 5 -1.7 4.7 | 282 6 5.4 -1.1 6 880 1219 150 8 -4.0 6.9 | 251 3 3.1 1.1 7 850 1524 135 8 -5.7 5.7 | 277 1 1.5 -0.2 8 820 1829 100 12 -11.8 2.1 | 51 6 -4.7 -3.7 9 791 2134 145 8 -4.6 6.6 | 254 3 2.5 0.7 10 763 2438 165 13 -3.4 12.6 | 209 8 3.8 6.7 11 736 2743 115 11 -10.0 4.6 | 67 3 -2.8 -1.2 12 700 3164 100 20 -19.7 3.5 | 79 13 -12.6 -2.4 13 684 3353 85 19 -18.9 -1.7 | 58 14 -11.8 -7.5 14 658 3658 90 15 -15.0 0.0 | 53 10 -7.9 -5.8 15 611 4267 90 14 -14.0 0.0 | 50 9 -6.9 -5.8 16 566 4877 90 19 -19.0 0.0 | 64 13 -11.9 -5.8 17 545 5182 80 21 -20.7 -3.6 | 55 17 -13.6 -9.5 18 525 5486 70 15 -14.1 -5.1 | 32 13 -7.0 -11.0 19 500 5880 85 11 -11.0 -1.0 | 29 8 -3.8 -6.8 20 486 6096 90 13 -13.0 0.0 | 45 8 -5.9 -5.8 21 449 6706 95 12 -12.0 1.0 | 45 7 -4.8 -4.8 22 432 7010 130 11 -8.4 7.1 | 134 2 -1.3 1.2 23 400 7600 105 8 -7.7 2.1 | 9 4 -0.6 -3.8 24 399 7620 105 8 -7.7 2.1 | 9 4 -0.6 -3.8 25 367 8230 80 10 -9.8 -1.7 | 20 8 -2.7 -7.6 26 324 9144 85 7 -7.0 -0.6 | 359 6 0.2 -6.4 27 300 9710 130 4 -3.1 2.6 | 309 5 4.1 -3.3 28 273 10363 40 2 -1.3 -1.5 | 322 9 5.8 -7.4 29 261 10668 40 8 -5.1 -6.1 | 351 12 2.0 -12.0 30 250 10970 15 7 -1.8 -6.8 | 337 14 5.3 -12.6 31 228 11582 350 10 1.7 -9.8 | 331 18 8.9 -15.7 32 208 12192 330 10 5.0 -8.7 | 320 19 12.1 -14.5 33 200 12440 325 10 5.7 -8.2 | 317 19 12.9 -14.0 34 189 12802 260 8 7.9 1.4 | 286 16 15.0 -4.4 35 180 13106 245 10 9.1 4.2 | 276 16 16.2 -1.6 36 150 14220 205 27 11.4 24.5 | 225 26 18.5 18.6 37 147 14326 210 29 14.5 25.1 | 228 29 21.6 19.3 38 133 14935 185 24 2.1 23.9 | 207 20 9.2 18.1 39 126 15240 185 16 1.4 15.9 | 220 13 8.5 10.1 40 119 15545 135 12 -8.5 8.5 | 153 3 -1.4 2.7 41 113 15850 105 13 -12.6 3.4 | 66 6 -5.4 -2.5 42 108 16154 70 13 -12.2 -4.4 | 26 11 -5.1 -10.3 43 102 16459 65 24 -21.8 -10.1 | 42 22 -14.6 -16.0 44 100 16580 45 26 -18.4 -18.4 | 25 27 -11.3 -24.2 45 97 16764 45 26 -18.4 -18.4 | 25 27 -11.3 -24.2 46 92 17069 25 23 -9.7 -20.8 | 6 27 -2.6 -26.7 47 82 17678 65 28 -25.4 -11.8 | 46 25 -18.3 -17.7 48 74 18288 75 33 -31.9 -8.5 | 60 29 -24.8 -14.4 49 70 18593 65 10 -9.1 -4.2 | 11 10 -1.9 -10.1 50 70 18600 280 2 2.0 -0.3 | 304 11 9.1 -6.2 51 66 18898 265 10 10.0 0.9 | 286 18 17.1 -5.0 52 63 19202 250 15 14.1 5.1 | 272 21 21.2 -0.7 53 60 19507 145 13 -7.5 10.6 | 176 5 -0.3 4.8 54 57 19812 120 21 -18.2 10.5 | 113 12 -11.1 4.7 55 54 20117 155 23 -9.7 20.8 | 170 15 -2.6 15.0 56 51 20422 105 22 -21.3 5.7 | 89 14 -14.1 -0.1 57 50 20550 85 31 -30.9 -2.7 | 70 25 -23.8 -8.5 58 45 21031 85 32 -31.9 -2.8 | 71 26 -24.8 -8.6 59 42 21336 100 37 -36.4 6.4 | 91 29 -29.3 0.6 60 40 21641 85 37 -36.9 -3.2 | 73 31 -29.7 -9.1 61 29 23165 100 55 -54.2 9.6 | 95 47 -47.0 3.7 Wind Parameters Mean winds (0-6000m): 99.3 at 12.3 knts Storm direction: 129.3 at 9.2 knts Shear (0-3000m) pos: 1.0 neg: 2.8 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 131.3 deg Storm rel helicity (0-3000m) pos: 7.5 neg: -26.2 tot: -18.7 m^2/s^2 ave: -6.2 10^-3 m/s^2 rel: -0.13 Storm rel vorticity (0-3000m) horiz: 9.4 stream: -1.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 5.08 Bulk Shear: 25.70 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 ------------------------------------------------------------------------------- 500 262 2 302 10| 2.1 0.0 2.1| 4.9 -10.2 -5.4 -10.8 -0.20| 8.7 -1.7 1000 157 3 297 7| 1.0 2.4 3.4| 5.0 -14.7 -9.7 -9.7 -0.35| 7.1 -2.5 1500 148 5 292 5| 0.7 2.4 3.1| 5.5 -15.7 -10.1 -6.8 -0.22| 6.4 -1.4 2000 132 6 304 3| 0.7 1.8 2.6| 6.5 -15.8 -9.2 -4.6 0.10| 8.1 0.8 2500 140 7 280 3| 1.2 1.5 2.7| 6.5 -22.5 -16.0 -6.4 -0.06| 8.6 -0.6 3000 132 8 292 1| 1.0 2.8 3.9| 7.5 -26.2 -18.7 -6.2 -0.13| 9.4 -1.3 4000 113 10 54 3| 0.8 2.0 2.8| 7.5 -47.9 -40.4 -10.1 -0.21| 8.5 -1.8 5000 105 12 57 5| 0.6 2.3 2.9| 14.9 -53.7 -38.8 -7.8 -0.17| 7.6 -1.3 6000 99 12 52 6| 0.9 1.5 2.3| 19.4 -80.4 -61.0 -10.2 -0.20| 7.7 -1.5 Wrote GIF file: /home/apache/climate/data/raob//SKLT/skewt/SKLT.skewt.20251229.12.gif