UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122812.upa.cvt Date: 1200Z 28 DEC 25 Searching for SKLT... Searching the city database file for: SKLT ... Date:1200Z 28 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 1002 84 25.6 23.1 86 2.5 23.8 340 2 298.6 301.9 296.9 351.1 18.04 1 1000 101 23.2 23.2 100 0.0 23.2 40 1 296.4 299.6 296.4 348.8 18.19 2 994 154 22.8 22.6 99 0.2 22.7 46 4 296.5 299.6 296.0 347.4 17.63 3 964 422 24.6 18.6 69 6.0 20.4 65 14 300.9 303.5 294.9 342.4 14.13 4 932 719 24.0 16.0 61 8.0 18.6 62 20 303.2 305.5 294.3 339.9 12.36 5 925 785 23.4 16.4 65 7.0 18.6 60 22 303.2 305.6 294.6 341.2 12.78 6 850 1519 18.4 14.5 78 3.9 15.8 60 20 305.4 307.7 294.8 342.3 12.31 7 762 2450 12.4 11.1 92 1.3 11.6 95 8 308.6 310.7 294.8 341.9 10.96 8 700 3160 8.6 7.3 92 1.3 7.8 105 11 312.0 313.8 294.4 340.4 9.21 9 618 4183 3.2 2.3 94 0.9 2.7 65 12 317.1 318.5 294.4 340.3 7.33 10 555 5048 -2.5 -2.6 99 0.1 -2.6 37 17 320.3 321.4 294.0 338.7 5.70 11 505 5792 -7.3 -7.3 100 0.0 -7.3 5 10 323.2 324.1 293.7 337.6 4.38 12 500 5870 -7.7 -8.2 96 0.5 -7.9 335 8 323.7 324.5 293.6 337.3 4.12 13 488 6058 -8.1 -10.8 81 2.7 -9.2 319 10 325.4 326.1 293.6 336.9 3.44 14 485 6106 -7.3 -14.3 57 7.0 -10.0 315 10 327.0 327.5 293.3 335.9 2.61 15 465 6433 -8.9 -13.2 71 4.3 -10.6 304 10 328.9 329.5 294.1 339.1 2.97 16 444 6789 -11.1 -21.1 43 10.0 -14.3 293 11 330.5 330.9 293.4 336.2 1.60 17 418 7248 -14.7 -17.2 81 2.5 -15.6 266 10 331.7 332.2 294.3 340.0 2.38 18 400 7580 -16.1 -20.1 71 4.0 -17.4 260 7 334.1 334.5 294.6 340.9 1.94 19 374 8084 -19.1 -24.1 65 5.0 -20.5 331 5 336.6 336.9 294.8 341.9 1.46 20 329 9027 -25.3 -30.3 63 5.0 -26.3 59 8 340.6 340.8 295.3 344.1 0.94 21 312 9410 -28.7 -32.0 73 3.3 -29.3 89 8 341.1 341.3 295.3 344.3 0.84 22 300 9690 -30.5 -37.5 50 7.0 -31.5 110 7 342.4 342.5 295.4 344.4 0.51 23 291 9906 -31.9 -40.9 41 9.0 -33.0 114 6 343.4 343.5 295.5 344.9 0.37 24 250 10960 -41.1 -47.1 52 6.0 -41.6 140 10 345.0 345.0 295.7 345.9 0.22 25 227 11606 -47.3 -50.4 70 3.1 -47.4 168 8 345.1 345.2 295.7 345.8 0.17 26 225 11664 -47.5 -54.5 44 7.0 -47.8 171 8 345.7 345.7 295.8 346.1 0.10 27 216 11932 -49.7 -58.7 34 9.0 -50.0 183 8 346.4 346.4 295.9 346.6 0.06 28 210 12115 -51.3 -55.8 59 4.5 -51.5 191 7 346.7 346.7 296.0 347.1 0.09 29 208 12177 -51.7 -61.7 29 10.0 -52.0 194 7 347.0 347.0 296.0 347.2 0.05 30 204 12303 -52.7 -57.7 55 5.0 -52.9 202 8 347.3 347.4 296.1 347.7 0.08 31 200 12430 -53.7 -62.7 32 9.0 -53.9 210 10 347.7 347.7 296.2 347.9 0.04 32 197 12527 -54.7 -65.7 24 11.0 -54.9 211 10 347.6 347.6 296.1 347.8 0.03 33 191 12725 -56.5 -61.5 53 5.0 -56.6 214 10 347.8 347.9 296.2 348.1 0.05 34 181 13064 -59.3 -63.9 55 4.6 -59.4 215 11 348.7 348.7 296.4 348.8 0.04 35 159 13867 -65.1 -73.1 32 8.0 -65.2 234 21 352.0 352.0 297.1 352.1 0.01 36 150 14220 -67.9 -73.9 42 6.0 -67.9 230 30 353.1 353.1 297.3 353.2 0.01 37 147 14341 -68.5 -74.5 42 6.0 -68.5 228 32 354.1 354.1 297.5 354.2 0.01 38 107 16186 -79.9 -85.9 36 6.0 -79.9 236 20 366.2 366.2 299.9 366.2 0.00 39 102 16458 -78.5 -86.5 26 8.0 -78.5 250 18 373.9 373.9 301.2 373.9 0.00 40 100 16570 -79.1 -87.1 26 8.0 -79.1 155 11 374.9 374.9 301.4 374.9 0.00 41 90 17162 -82.7 -89.7 29 7.0 -82.7 106 14 379.2 379.2 302.1 379.2 0.00 42 88 17288 -79.9 -87.9 25 8.0 -79.9 87 17 387.3 387.3 303.4 387.3 0.00 43 83 17618 -81.5 -90.5 20 9.0 -81.5 83 16 390.5 390.5 303.9 390.5 0.00 44 70 18580 -78.5 -90.5 12 12.0 -78.6 115 28 416.4 416.4 307.3 416.5 0.00 45 56 19867 -76.7 -89.7 11 13.0 -76.7 65 30 448.0 448.0 310.7 448.0 0.00 46 50 20530 -72.3 -90.3 5 18.0 -72.4 80 42 473.1 473.1 312.9 473.1 0.00 47 48 20769 -72.7 -90.7 5 18.0 -72.8 78 45 477.7 477.7 313.2 477.7 0.00 48 40 21866 -61.5 -89.5 1 28.0 -62.1 82 55 531.4 531.4 317.0 531.4 0.00 49 36 22520 -60.1 -89.1 1 29.0 -60.9 90 59 551.3 551.3 318.2 551.3 0.00 50 30 23660 -58.5 -87.5 1 29.0 -59.6 120 66 585.2 585.2 319.9 585.2 0.01 51 27 24318 -61.3 -89.3 1 28.0 -62.1 120 65 595.2 595.2 320.4 595.2 0.00 52 24 25051 -59.9 -88.9 1 29.0 -61.0 114 68 619.7 619.7 321.5 619.7 0.01 TRP WND Sounding variables and indices 1000-500 mb thick: 5769.00 m Freezing level: 582.63 mb = 4668.42 m = 15316.15 ft Wetbulb zero: 585.56 mb = 4616.55 m = 15145.97 ft Precipitable water: 2.16 inches Sfc-500 mean rel hum: 88.37 % Est. max temperature: 32.39 C = 90.29 F Sfc-Lift cond lev (LCL): 966.60 mb = 398.73 m = 1308.17 ft T: 24.44 C 700-500 lapse rate: 6.01 C/km ThetaE index: 11.27 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 813.91 mb = 1888.58 m = 6196.05 ft Mean mixing ratio: 14.20 g/kg Conv temperature: 33.73 C = 92.71 F Cap Strength: 3.27 C Lifted Index: -2.09 C Risk: Severe thunderstorms possible Lifted Index @300 mb: 1.88 C Lifted Index @700 mb: 0.03 C Showalter Index: -1.83 C Risk: Thunderstorms probable Total Totals Index: 48.30 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.10 C Cross Totals Index: 22.20 C K Index: 39.30 Risk: > 80 % chance of thunderstorms Sweat Index: 222.00 Risk: None Energy Index: -1.02 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 142.07 J/kg Max Up Vert Vel: 16.86 m/s Conv Inhibition (B-): 135.66 J/kg Cap Strength: 3.27 C Lift Cond Lev (LCL): 881.69 mb = 1201.27 m = 3941.14 ft Lev Free Conv (LFC): 686.69 mb = 3317.63 m = 10884.47 ft Equ Level (EL): 466.69 mb = 6404.77 m = 21012.78 ft B at Equ Level: 137.14 J/kg Max Parcel Lev (MPL): 276.69 mb = 10256.10 m = 33648.21 ft Wind level data Storm motion: 91 at 10 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 1002 84 340 2 0.7 -1.9 | 281 11 11.0 -2.1 1 1000 101 40 1 -0.6 -0.8 | 276 10 9.7 -1.0 2 977 305 65 12 -10.9 -5.1 | 6 5 -0.5 -5.3 3 944 610 65 18 -16.3 -7.6 | 37 10 -6.0 -7.9 4 925 785 60 22 -19.1 -11.0 | 38 14 -8.7 -11.2 5 911 914 65 22 -19.9 -9.3 | 45 14 -9.6 -9.5 6 880 1219 70 20 -18.8 -6.8 | 50 11 -8.4 -7.1 7 850 1519 60 20 -17.3 -10.0 | 34 12 -7.0 -10.2 8 819 1829 60 15 -13.0 -7.5 | 19 8 -2.6 -7.7 9 790 2134 55 8 -6.6 -4.6 | 322 6 3.8 -4.8 10 762 2438 95 8 -8.0 0.7 | 259 2 2.4 0.4 11 735 2743 75 10 -9.7 -2.6 | 346 3 0.7 -2.8 12 709 3048 110 11 -10.3 3.8 | 180 4 0.0 3.5 13 700 3160 105 11 -10.6 2.8 | 174 3 -0.3 2.6 14 683 3353 115 12 -10.9 5.1 | 174 5 -0.5 4.8 15 658 3658 90 14 -14.0 0.0 | 86 4 -3.6 -0.2 16 610 4267 60 12 -10.4 -6.0 | 0 6 -0.0 -6.2 17 566 4877 50 18 -13.8 -11.6 | 16 12 -3.4 -11.8 18 545 5182 25 17 -7.2 -15.4 | 349 16 3.2 -15.7 19 524 5486 30 15 -7.5 -13.0 | 348 14 2.9 -13.2 20 505 5791 5 10 -0.9 -10.0 | 317 14 9.5 -10.2 21 500 5870 335 8 3.4 -7.3 | 299 16 13.7 -7.5 22 485 6096 315 10 7.1 -7.1 | 293 19 17.4 -7.3 23 431 7010 285 11 10.6 -2.8 | 278 21 21.0 -3.1 24 414 7315 260 10 9.8 1.7 | 266 20 20.2 1.5 25 400 7580 260 7 6.9 1.2 | 267 17 17.3 1.0 26 398 7620 260 6 5.9 1.0 | 267 16 16.3 0.8 27 366 8230 355 4 0.3 -4.0 | 292 12 10.7 -4.2 28 323 9144 70 9 -8.5 -3.1 | 330 4 1.9 -3.3 29 300 9690 110 7 -6.6 2.4 | 240 4 3.8 2.1 30 261 10668 130 2 -1.5 1.3 | 263 9 8.8 1.0 31 250 10960 140 10 -6.4 7.7 | 208 8 3.9 7.4 32 250 10973 140 10 -6.4 7.7 | 208 8 3.9 7.4 33 207 12192 195 7 1.8 6.8 | 242 14 12.2 6.5 34 200 12430 210 10 5.0 8.7 | 241 18 15.4 8.4 35 188 12802 215 10 5.7 8.2 | 244 18 16.1 7.9 36 179 13106 215 11 6.3 9.0 | 242 19 16.7 8.8 37 171 13411 240 13 11.3 6.5 | 254 23 21.6 6.3 38 163 13716 235 18 14.7 10.3 | 248 27 25.1 10.1 39 150 14220 230 30 23.0 19.3 | 240 38 33.3 19.0 40 133 14935 220 45 28.9 34.5 | 229 52 39.3 34.2 41 126 15240 215 29 16.6 23.8 | 229 36 27.0 23.5 42 119 15545 205 24 10.1 21.8 | 224 30 20.5 21.5 43 102 16459 250 18 16.9 6.2 | 258 28 27.3 5.9 44 100 16570 155 11 -4.6 10.0 | 210 11 5.7 9.7 45 97 16764 190 12 2.1 11.8 | 227 17 12.4 11.6 46 92 17069 120 12 -10.4 6.0 | 180 6 -0.0 5.8 47 87 17374 75 19 -18.4 -4.9 | 57 10 -8.0 -5.2 48 82 17678 85 15 -14.9 -1.3 | 71 5 -4.6 -1.6 49 78 17983 125 17 -13.9 9.8 | 159 10 -3.6 9.5 50 70 18580 115 28 -25.4 11.8 | 128 19 -15.0 11.6 51 70 18593 125 30 -24.6 17.2 | 140 22 -14.2 17.0 52 63 19202 85 16 -15.9 -1.4 | 74 6 -5.6 -1.6 53 60 19507 105 21 -20.3 5.4 | 118 11 -9.9 5.2 54 57 19812 70 31 -29.1 -10.6 | 60 22 -18.8 -10.9 55 54 20117 45 27 -19.1 -19.1 | 24 21 -8.7 -19.3 56 51 20422 70 26 -24.4 -8.9 | 57 17 -14.1 -9.1 57 50 20530 80 42 -41.4 -7.3 | 76 32 -31.0 -7.5 58 44 21336 75 52 -50.2 -13.5 | 71 42 -39.9 -13.7 59 36 22555 90 59 -59.0 0.0 | 90 49 -48.6 -0.2 60 33 23165 85 53 -52.8 -4.6 | 83 43 -42.4 -4.9 61 31 23470 105 52 -50.2 13.5 | 108 42 -39.9 13.2 62 30 23660 120 66 -57.2 33.0 | 125 57 -46.8 32.8 63 27 24079 120 65 -56.3 32.5 | 125 56 -45.9 32.3 64 22 24994 110 70 -65.8 23.9 | 113 60 -55.4 23.7 65 20 25298 105 69 -66.6 17.9 | 107 59 -56.3 17.6 Wind Parameters Mean winds (0-6000m): 61.4 at 13.8 knts Storm direction: 91.4 at 10.4 knts Shear (0-3000m) pos: 4.0 neg: 2.1 tot: 6.0 10-3/s Storm rel Dir Shear (0-3000m): -102.3 deg Storm rel helicity (0-3000m) pos: 36.3 neg: -30.4 tot: 5.9 m^2/s^2 ave: 2.0 10^-3 m/s^2 rel: 0.15 Storm rel vorticity (0-3000m) horiz: 9.6 stream: 1.4 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 122.44 Bulk Shear: 1.16 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 64 11 354 5| 17.9 0.0 17.9| 24.0 0.0 24.0 48.0 0.78| 18.3 14.2 1000 64 16 29 8| 10.8 0.0 10.8| 33.6 -0.1 33.5 33.5 0.64| 13.4 8.5 1500 65 17 34 9| 7.2 1.1 8.3| 34.6 -11.1 23.5 15.7 0.43| 10.6 4.6 2000 63 17 30 9| 5.4 3.1 8.5| 34.6 -26.5 8.2 4.1 0.14| 10.5 1.5 2500 65 15 25 7| 4.4 2.5 6.9| 35.2 -30.4 4.8 1.9 0.06| 9.8 0.6 3000 68 14 26 6| 4.0 2.1 6.0| 36.3 -30.4 5.9 2.0 0.15| 9.6 1.4 4000 74 14 35 5| 3.0 1.5 4.5| 36.3 -40.7 -4.4 -1.1 -0.03| 8.9 -0.3 5000 69 14 28 6| 2.4 2.0 4.4| 40.6 -58.9 -18.3 -3.7 -0.08| 8.5 -0.6 6000 61 14 14 7| 2.0 2.6 4.6| 40.6-121.2 -80.6 -13.4 -0.22| 8.8 -1.9 Wrote GIF file: /home/apache/climate/data/raob//SKLT/skewt/SKLT.skewt.20251228.12.gif