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 SKLT... Searching the city database file for: SKLT ... Date:1200Z 16 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 1001 84 24.2 24.0 99 0.2 24.1 30 2 297.3 300.7 297.2 352.6 19.09 1 1000 89 24.0 23.8 99 0.2 23.9 65 4 297.1 300.6 297.0 351.9 18.88 2 990 177 23.0 22.7 98 0.3 22.8 59 9 297.0 300.2 296.3 348.5 17.81 3 968 375 25.6 20.6 74 5.0 22.1 47 16 301.5 304.5 296.3 348.6 15.98 4 933 699 23.0 22.1 95 0.9 22.3 35 13 302.1 305.4 297.9 356.0 18.24 5 925 774 22.8 20.8 88 2.0 21.3 35 12 302.6 305.7 297.3 352.8 16.95 6 920 821 23.2 18.4 74 4.8 19.8 38 13 303.5 306.2 296.0 346.9 14.63 7 850 1509 18.8 16.4 86 2.4 17.1 35 13 305.8 308.4 296.1 347.6 13.94 8 794 2092 14.8 13.5 92 1.3 14.0 27 11 307.6 309.9 295.5 344.9 12.35 9 700 3152 9.6 8.5 93 1.1 8.9 50 8 313.1 315.0 295.3 344.1 10.01 10 696 3200 9.4 8.5 94 0.9 8.8 51 8 313.4 315.3 295.4 344.6 10.07 11 661 3628 8.2 3.4 72 4.8 5.4 64 10 316.7 318.1 294.3 340.1 7.41 12 580 4695 0.4 0.4 100 0.0 0.4 146 3 319.7 321.0 294.7 341.5 6.81 13 558 5005 -1.1 -2.4 91 1.3 -1.8 222 2 321.4 322.6 294.3 340.1 5.76 14 549 5135 -0.7 -3.2 83 2.5 -2.0 258 1 323.4 324.5 294.7 341.4 5.51 15 523 5523 -1.7 -7.7 64 6.0 -4.6 357 0 326.7 327.6 294.4 340.4 4.10 16 500 5880 -4.3 -8.0 75 3.7 -6.0 320 5 327.8 328.6 294.8 341.9 4.19 17 498 5912 -4.5 -7.9 77 3.4 -6.1 319 5 327.9 328.8 294.8 342.2 4.24 18 495 5959 -4.5 -12.5 54 8.0 -7.8 316 5 328.5 329.1 294.0 338.6 2.96 19 481 6184 -5.9 -11.9 63 6.0 -8.5 311 6 329.5 330.1 294.4 340.4 3.20 20 479 6216 -5.9 -15.9 45 10.0 -9.7 311 7 329.9 330.3 293.8 337.9 2.31 21 406 7488 -14.9 -17.2 83 2.3 -15.7 331 9 334.2 334.7 295.0 342.8 2.45 22 405 7506 -15.1 -17.5 82 2.4 -15.9 330 9 334.2 334.7 294.9 342.6 2.39 23 400 7600 -15.5 -20.5 65 5.0 -17.1 325 9 334.8 335.2 294.7 341.5 1.87 24 395 7695 -16.1 -21.1 65 5.0 -17.7 320 9 335.3 335.6 294.7 341.7 1.80 25 390 7791 -16.1 -31.1 26 15.0 -19.6 313 9 336.5 336.6 294.1 339.2 0.73 26 382 7947 -17.3 -36.3 17 19.0 -21.0 301 9 336.9 337.0 294.0 338.6 0.45 27 359 8412 -19.5 -48.5 6 29.0 -23.4 277 10 340.0 340.0 294.4 340.5 0.13 28 342 8771 -22.5 -56.5 3 34.0 -25.9 279 13 340.7 340.7 294.6 340.9 0.05 29 307 9555 -28.9 -56.9 5 28.0 -31.2 296 9 342.4 342.4 295.0 342.6 0.06 30 302 9673 -29.7 -39.7 37 10.0 -31.1 302 7 342.9 343.0 295.4 344.5 0.40 31 300 9720 -30.1 -41.1 33 11.0 -31.6 305 6 343.0 343.0 295.4 344.3 0.35 32 296 9815 -30.9 -55.9 7 25.0 -32.9 312 6 343.1 343.2 295.1 343.4 0.07 33 294 9863 -31.3 -51.3 12 20.0 -33.1 315 6 343.2 343.3 295.2 343.7 0.12 34 292 9911 -31.9 -34.0 82 2.1 -32.3 319 6 343.1 343.2 295.7 345.9 0.74 35 290 9960 -31.9 -47.9 19 16.0 -33.5 322 6 343.7 343.8 295.4 344.4 0.17 36 288 10009 -32.1 -41.1 40 9.0 -33.2 326 6 344.1 344.2 295.6 345.6 0.36 37 287 10033 -32.3 -49.3 17 17.0 -33.9 328 6 344.2 344.2 295.4 344.8 0.15 38 286 10058 -32.3 -37.1 62 4.8 -33.0 330 6 344.5 344.6 295.9 346.7 0.55 39 281 10182 -32.9 -41.9 40 9.0 -34.0 339 7 345.4 345.5 295.9 346.8 0.34 40 259 10748 -38.3 -44.3 53 6.0 -38.9 19 13 345.6 345.7 295.9 346.8 0.29 41 253 10909 -39.5 -50.5 30 11.0 -40.3 26 14 346.2 346.2 295.9 346.8 0.15 42 250 10990 -40.1 -51.1 30 11.0 -40.9 30 15 346.4 346.5 296.0 347.0 0.14 43 234 11438 -44.1 -56.1 25 12.0 -44.7 33 15 347.0 347.0 296.0 347.4 0.08 44 222 11789 -47.3 -53.3 50 6.0 -47.6 41 16 347.3 347.4 296.1 347.9 0.12 45 216 11969 -48.7 -57.7 34 9.0 -49.0 45 16 347.9 347.9 296.3 348.2 0.07 46 215 12000 -48.9 -52.3 68 3.4 -49.1 46 16 348.1 348.1 296.3 348.6 0.14 47 207 12247 -51.5 -54.1 74 2.6 -51.6 51 16 347.8 347.8 296.3 348.3 0.12 48 200 12470 -53.1 -55.5 75 2.4 -53.2 55 17 348.7 348.7 296.4 349.1 0.10 49 184 13002 -57.1 -69.1 20 12.0 -57.3 61 22 350.6 350.6 296.8 350.7 0.02 50 165 13681 -63.5 -67.6 57 4.1 -63.6 68 29 351.0 351.0 296.8 351.1 0.03 51 150 14260 -67.9 -80.9 14 13.0 -67.9 75 35 353.1 353.1 297.3 353.1 0.00 52 145 14463 -68.7 -83.7 10 15.0 -68.8 72 36 355.2 355.2 297.7 355.2 0.00 53 114 15864 -78.3 -83.3 44 5.0 -78.3 25 12 362.6 362.6 299.2 362.6 0.00 54 105 16328 -81.5 -89.5 24 8.0 -81.5 108 6 365.1 365.1 299.7 365.1 0.00 55 100 16600 -82.9 -91.9 20 9.0 -82.9 140 9 367.6 367.6 300.1 367.6 0.00 56 94 16946 -82.1 -91.1 20 9.0 -82.1 141 10 375.7 375.7 301.5 375.7 0.00 57 75 18188 -89.1 -93.8 40 4.7 -89.1 110 17 386.1 386.1 303.2 386.1 0.00 58 73 18336 -83.9 -90.9 28 7.0 -83.9 101 21 400.1 400.1 305.2 400.1 0.00 59 70 18570 -81.5 -90.5 20 9.0 -81.5 80 36 410.0 410.0 306.5 410.0 0.00 60 65 18993 -76.5 -88.5 13 12.0 -76.6 78 28 429.7 429.7 308.8 429.7 0.00 61 63 19173 -77.3 -89.3 13 12.0 -77.3 75 20 431.8 431.8 309.0 431.8 0.00 62 50 20530 -69.1 -90.1 3 21.0 -69.3 80 29 480.7 480.7 313.5 480.7 0.00 63 48 20775 -67.5 -89.5 3 22.0 -67.7 85 33 490.1 490.1 314.2 490.1 0.00 64 43 21437 -68.5 -90.5 3 22.0 -68.7 94 43 503.3 503.3 315.2 503.3 0.00 65 38 22185 -65.5 -90.5 2 25.0 -65.9 90 56 529.1 529.1 316.9 529.1 0.00 66 36 22517 -61.7 -89.7 1 28.0 -62.3 88 53 547.1 547.1 317.9 547.2 0.00 67 33 23057 -61.1 -88.1 2 27.0 -61.9 87 53 562.5 562.5 318.8 562.6 0.00 68 30 23650 -61.1 -89.1 1 28.0 -61.9 85 57 578.1 578.1 319.6 578.1 0.00 69 24 25055 -55.3 -85.3 1 30.0 -57.2 95 53 633.0 633.0 322.0 633.1 0.01 70 22 25609 -56.5 -85.5 1 29.0 -58.3 95 55 645.4 645.4 322.5 645.5 0.01 TRP WND Sounding variables and indices 1000-500 mb thick: 5791.00 m Freezing level: 574.13 mb = 4777.29 m = 15673.35 ft Wetbulb zero: 576.23 mb = 4746.86 m = 15573.50 ft Precipitable water: 2.29 inches Sfc-500 mean rel hum: 85.32 % Est. max temperature: 32.74 C = 90.94 F Sfc-Lift cond lev (LCL): 998.68 mb = 100.62 m = 330.11 ft T: 23.87 C 700-500 lapse rate: 5.10 C/km ThetaE index: 9.06 C Layer 925.0- 850.0 mb Conv cond level (CCL): 858.20 mb = 1425.55 m = 4676.95 ft Mean mixing ratio: 16.66 g/kg Conv temperature: 32.50 C = 90.50 F Cap Strength: 2.40 C Lifted Index: -1.51 C Risk: Thunderstorms probable Lifted Index @300 mb: -1.94 C Lifted Index @700 mb: -1.08 C Showalter Index: -0.45 C Risk: Thunderstorms probable Total Totals Index: 43.80 C Risk: None Vertical Totals Index: 23.10 C Cross Totals Index: 20.70 C K Index: 38.40 Risk: > 80 % chance of thunderstorms Sweat Index: 227.80 Risk: None Energy Index: -1.19 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 628.70 J/kg Max Up Vert Vel: 35.46 m/s Conv Inhibition (B-): 56.72 J/kg Cap Strength: 2.40 C Lift Cond Lev (LCL): 912.72 mb = 890.43 m = 2921.31 ft Lev Free Conv (LFC): 807.72 mb = 1945.37 m = 6382.37 ft Equ Level (EL): 187.72 mb = 12874.34 m = 42238.12 ft B at Equ Level: 627.69 J/kg Max Parcel Lev (MPL): 97.72 mb = 16728.82 m = 54883.91 ft Wind level data Storm motion: 71 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 1001 84 30 2 -1.0 -1.7 | 266 5 5.0 0.4 1 1000 89 65 4 -3.6 -1.7 | 260 2 2.3 0.4 2 976 305 50 16 -12.3 -10.3 | 38 10 -6.3 -8.2 3 942 610 35 15 -8.6 -12.3 | 15 11 -2.6 -10.2 4 925 774 35 12 -6.9 -9.8 | 7 8 -0.9 -7.7 5 910 914 45 15 -10.6 -10.6 | 29 10 -4.6 -8.5 6 879 1219 50 15 -11.5 -9.6 | 36 9 -5.5 -7.5 7 850 1509 35 13 -7.5 -10.6 | 10 9 -1.5 -8.5 8 818 1829 40 12 -7.7 -9.2 | 14 7 -1.7 -7.1 9 790 2134 25 11 -4.6 -10.0 | 350 8 1.3 -7.9 10 762 2438 10 9 -1.6 -8.9 | 327 8 4.4 -6.8 11 735 2743 25 10 -4.2 -9.1 | 346 7 1.7 -7.0 12 700 3152 50 8 -6.1 -5.1 | 3 3 -0.2 -3.0 13 658 3658 65 10 -9.1 -4.2 | 56 4 -3.1 -2.1 14 610 4267 55 6 -4.9 -3.4 | 322 2 1.1 -1.3 15 566 4877 190 2 0.3 2.0 | 237 8 6.3 4.1 16 525 5486 0 0 -0.0 -0.0 | 251 6 6.0 2.1 17 500 5880 320 5 3.2 -3.8 | 281 9 9.2 -1.7 18 486 6096 310 6 4.6 -3.9 | 279 11 10.6 -1.8 19 432 7010 320 10 6.4 -7.7 | 294 14 12.4 -5.6 20 415 7315 340 10 3.4 -9.4 | 308 12 9.4 -7.3 21 400 7600 325 9 5.2 -7.4 | 295 12 11.1 -5.3 22 399 7620 325 9 5.2 -7.4 | 295 12 11.1 -5.3 23 367 8230 280 9 8.9 -1.6 | 268 15 14.8 0.5 24 352 8534 275 10 10.0 -0.9 | 266 16 15.9 1.2 25 338 8839 280 14 13.8 -2.4 | 271 20 19.8 -0.3 26 324 9144 300 11 9.5 -5.5 | 282 16 15.5 -3.4 27 311 9449 290 10 9.4 -3.4 | 275 15 15.4 -1.3 28 300 9720 305 6 4.9 -3.4 | 277 11 10.9 -1.3 29 286 10058 330 6 3.0 -5.2 | 289 9 9.0 -3.1 30 262 10668 15 12 -3.1 -11.6 | 343 10 2.9 -9.5 31 250 10990 30 15 -7.5 -13.0 | 8 11 -1.5 -10.9 32 239 11278 30 15 -7.5 -13.0 | 8 11 -1.5 -10.9 33 209 12192 50 16 -12.3 -10.3 | 38 10 -6.3 -8.2 34 200 12470 55 17 -13.9 -9.8 | 46 11 -8.0 -7.6 35 150 14260 75 35 -33.8 -9.1 | 76 29 -27.8 -7.0 36 141 14630 70 36 -33.8 -12.3 | 70 30 -27.9 -10.2 37 127 15240 15 18 -4.7 -17.4 | 355 15 1.3 -15.3 38 114 15850 25 12 -5.1 -10.9 | 354 9 0.9 -8.8 39 108 16154 90 4 -4.0 0.0 | 223 3 2.0 2.1 40 100 16600 140 9 -5.8 6.9 | 181 9 0.2 9.0 41 97 16764 170 10 -1.7 9.8 | 199 13 4.2 12.0 42 87 17374 70 11 -10.3 -3.8 | 69 5 -4.4 -1.7 43 78 17983 120 15 -13.0 7.5 | 144 12 -7.0 9.6 44 74 18288 105 18 -17.4 4.7 | 121 13 -11.4 6.8 45 70 18570 80 36 -35.5 -6.3 | 82 30 -29.5 -4.1 46 70 18593 85 45 -44.8 -3.9 | 87 39 -38.9 -1.8 47 63 19202 75 19 -18.4 -4.9 | 77 13 -12.4 -2.8 48 60 19507 140 21 -13.5 16.1 | 158 20 -7.5 18.2 49 57 19812 95 24 -23.9 2.1 | 103 18 -17.9 4.2 50 54 20117 85 29 -28.9 -2.5 | 89 23 -22.9 -0.4 51 51 20422 55 21 -17.2 -12.0 | 48 15 -11.2 -9.9 52 50 20530 80 29 -28.6 -5.0 | 83 23 -22.6 -2.9 53 44 21336 95 41 -40.8 3.6 | 99 35 -34.9 5.7 54 38 22250 90 57 -57.0 0.0 | 92 51 -51.0 2.1 55 34 22860 85 48 -47.8 -4.2 | 87 42 -41.9 -2.1 56 31 23470 90 63 -63.0 0.0 | 92 57 -57.0 2.1 57 30 23650 85 57 -56.8 -5.0 | 87 51 -50.8 -2.9 58 25 24384 95 52 -51.8 4.5 | 98 46 -45.8 6.6 59 17 25908 95 61 -60.8 5.3 | 98 55 -54.8 7.4 Wind Parameters Mean winds (0-6000m): 40.6 at 8.4 knts Storm direction: 70.6 at 6.3 knts Shear (0-3000m) pos: 2.4 neg: 1.4 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 94.4 deg Storm rel helicity (0-3000m) pos: 20.7 neg: -35.0 tot: -14.3 m^2/s^2 ave: -4.8 10^-3 m/s^2 rel: 0.06 Storm rel vorticity (0-3000m) horiz: 7.6 stream: 0.5 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 220.52 Bulk Shear: 2.85 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 47 13 27 8| 13.5 0.0 13.5| 3.9 -10.4 -6.6 -13.1 0.30| 20.3 6.1 1000 43 14 23 8| 6.7 0.0 6.7| 12.7 -13.6 -1.0 -1.0 0.31| 13.8 4.3 1500 44 14 24 9| 4.5 1.2 5.7| 13.7 -22.7 -9.0 -6.0 0.16| 10.8 1.7 2000 42 13 20 8| 3.4 1.5 4.9| 14.4 -27.8 -13.4 -6.7 0.08| 9.0 0.7 2500 38 13 13 8| 2.7 1.7 4.4| 16.1 -35.0 -18.9 -7.6 0.00| 8.1 0.0 3000 37 12 10 8| 2.4 1.4 3.9| 20.7 -35.0 -14.3 -4.8 0.06| 7.6 0.5 4000 42 11 13 6| 2.1 1.4 3.5| 23.3 -36.3 -13.0 -3.3 0.08| 6.5 0.5 5000 43 10 8 5| 0.9 1.1 2.0| 32.4 -37.5 -5.1 -1.0 0.07| 6.6 0.5 6000 41 8 354 4| 0.8 1.3 2.1| 40.0 -38.9 1.2 0.2 0.11| 6.2 0.7 Wrote GIF file: /home/apache/climate/data/raob//SKLT/skewt/SKLT.skewt.20251216.12.gif