UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122712.upa.cvt Date: 1200Z 27 DEC 25 Searching for SKLT... Searching the city database file for: SKLT ... Date:1200Z 27 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 24.2 23.9 98 0.3 24.0 0 0 297.2 300.6 297.1 352.1 18.96 1 1000 97 24.0 23.7 98 0.3 23.8 110 2 297.1 300.5 297.0 351.5 18.76 2 982 256 22.8 22.5 98 0.3 22.6 102 10 297.5 300.7 296.4 348.9 17.74 3 957 482 24.0 20.4 80 3.6 21.5 88 18 300.9 303.8 296.1 347.8 15.96 4 925 780 22.2 20.0 87 2.2 20.6 75 21 302.0 305.0 296.5 349.6 16.11 5 851 1503 17.8 16.9 94 0.9 17.2 55 24 304.7 307.4 296.1 347.6 14.38 6 850 1513 17.8 16.8 94 1.0 17.1 55 24 304.8 307.4 296.1 347.5 14.31 7 763 2432 13.2 9.5 78 3.7 10.9 26 21 309.4 311.2 294.1 339.3 9.82 8 719 2931 9.8 9.0 95 0.8 9.3 15 14 310.9 312.9 294.8 341.9 10.08 9 700 3154 10.2 6.2 76 4.0 7.8 345 9 313.8 315.4 294.4 340.3 8.53 10 595 4485 1.4 -0.3 88 1.7 0.5 315 7 318.5 319.7 294.0 338.6 6.31 11 577 4732 -0.3 -4.0 76 3.7 -2.1 308 9 319.3 320.3 293.1 335.3 4.93 12 560 4971 -1.3 -7.3 64 6.0 -4.1 303 13 320.9 321.7 292.7 333.8 3.95 13 550 5115 -1.5 -19.5 24 18.0 -7.7 307 14 322.3 322.6 291.0 327.4 1.48 14 539 5276 -2.3 -25.3 15 23.0 -9.2 312 15 323.2 323.4 290.7 326.4 0.91 15 501 5854 -5.1 -41.1 4 36.0 -12.4 325 14 326.6 326.7 291.0 327.4 0.21 16 500 5870 -5.1 -42.1 4 37.0 -12.4 325 14 326.8 326.9 291.0 327.5 0.19 17 484 6125 -6.9 -40.9 5 34.0 -13.6 331 14 327.7 327.7 291.3 328.5 0.22 18 460 6519 -10.3 -20.3 44 10.0 -13.5 340 19 328.2 328.5 292.8 334.0 1.66 19 444 6790 -12.1 -39.1 9 27.0 -17.2 347 21 329.3 329.3 291.8 330.4 0.29 20 400 7580 -17.5 -18.5 92 1.0 -17.9 260 13 332.2 332.7 294.3 340.0 2.22 21 397 7636 -17.5 -18.3 93 0.8 -17.8 268 12 333.0 333.4 294.6 340.9 2.28 22 389 7789 -18.7 -19.8 91 1.1 -19.0 246 15 333.3 333.7 294.4 340.5 2.04 23 387 7827 -17.9 -26.9 45 9.0 -20.2 240 16 334.9 335.1 294.0 338.9 1.09 24 384 7885 -16.9 -39.9 12 23.0 -21.0 232 17 336.9 337.0 293.9 338.1 0.31 25 364 8285 -19.1 -56.1 2 37.0 -23.2 231 37 339.2 339.2 294.1 339.4 0.05 26 353 8513 -21.1 -31.1 40 10.0 -23.3 236 36 339.5 339.7 294.9 342.5 0.81 27 335 8897 -24.7 -36.7 32 12.0 -26.8 244 33 339.7 339.8 294.7 341.6 0.49 28 300 9690 -30.9 -35.4 65 4.5 -31.6 245 23 341.8 342.0 295.3 344.2 0.63 29 277 10248 -35.5 -37.0 86 1.5 -35.7 242 16 343.1 343.2 295.6 345.3 0.58 30 270 10425 -36.5 -39.9 71 3.4 -36.9 239 11 344.1 344.2 295.7 345.9 0.44 31 250 10950 -41.3 -44.2 73 2.9 -41.5 210 4 344.7 344.7 295.7 345.9 0.30 32 200 12420 -54.5 -60.5 47 6.0 -54.6 95 3 346.5 346.5 295.9 346.7 0.06 33 177 13192 -61.9 -67.9 45 6.0 -62.0 151 6 346.6 346.6 295.9 346.7 0.02 34 169 13478 -63.7 -75.7 18 12.0 -63.8 193 8 348.3 348.3 296.3 348.3 0.01 35 165 13626 -63.7 -77.7 13 14.0 -63.8 215 9 350.7 350.7 296.8 350.7 0.01 36 158 13892 -63.9 -74.9 21 11.0 -64.0 238 15 354.7 354.7 297.7 354.7 0.01 37 150 14210 -66.5 -75.5 27 9.0 -66.5 230 34 355.5 355.5 297.8 355.6 0.01 38 142 14539 -69.3 -75.3 41 6.0 -69.4 240 34 356.3 356.3 298.0 356.3 0.01 39 134 14883 -71.7 -80.7 25 9.0 -71.8 242 31 357.9 357.9 298.3 358.0 0.00 40 104 16356 -77.1 -88.1 16 11.0 -77.1 59 13 374.5 374.5 301.4 374.5 0.00 41 100 16580 -78.3 -88.3 18 10.0 -78.3 60 21 376.4 376.4 301.6 376.5 0.00 42 95 16871 -79.9 -89.9 17 10.0 -79.9 62 23 378.9 378.9 302.1 378.9 0.00 43 80 17852 -76.5 -89.5 11 13.0 -76.5 82 18 405.0 405.0 305.9 405.0 0.00 44 70 18610 -82.1 -91.1 20 9.0 -82.1 170 11 408.7 408.7 306.3 408.7 0.00 45 62 19302 -74.9 -88.9 10 14.0 -75.0 255 5 439.1 439.1 309.8 439.1 0.00 46 59 19588 -76.5 -89.5 11 13.0 -76.6 190 15 441.8 441.8 310.1 441.8 0.00 47 54 20102 -73.7 -89.7 7 16.0 -73.8 101 33 459.6 459.6 311.7 459.6 0.00 48 52 20321 -75.5 -90.5 8 15.0 -75.6 90 30 460.4 460.4 311.8 460.4 0.00 49 50 20550 -72.1 -90.1 5 18.0 -72.2 85 30 473.6 473.6 313.0 473.6 0.00 50 48 20791 -70.7 -90.7 4 20.0 -70.8 91 25 482.5 482.5 313.7 482.5 0.00 51 46 21043 -70.9 -90.9 4 20.0 -71.1 97 34 487.9 487.9 314.1 487.9 0.00 52 33 23063 -60.3 -88.3 1 28.0 -61.1 83 63 564.6 564.7 318.9 564.7 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5773.00 m Freezing level: 580.18 mb = 4688.68 m = 15382.62 ft Wetbulb zero: 591.67 mb = 4530.54 m = 14863.81 ft Precipitable water: 2.10 inches Sfc-500 mean rel hum: 73.99 % Est. max temperature: 31.68 C = 89.02 F Sfc-Lift cond lev (LCL): 998.09 mb = 113.75 m = 373.19 ft T: 23.87 C 700-500 lapse rate: 5.63 C/km ThetaE index: 15.45 C Layer 700.0- 501.0 mb Conv cond level (CCL): 883.38 mb = 1179.19 m = 3868.68 ft Mean mixing ratio: 16.63 g/kg Conv temperature: 30.52 C = 86.94 F Cap Strength: 1.64 C Lifted Index: -1.84 C Risk: Thunderstorms probable Lifted Index @300 mb: -2.03 C Lifted Index @700 mb: -0.13 C Showalter Index: -1.25 C Risk: Thunderstorms probable Total Totals Index: 44.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.90 C Cross Totals Index: 21.90 C K Index: 35.70 Risk: > 80 % chance of thunderstorms Sweat Index: 263.60 Risk: None Energy Index: -3.80 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 842.93 J/kg Max Up Vert Vel: 41.06 m/s Conv Inhibition (B-): 35.33 J/kg Cap Strength: 1.64 C Lift Cond Lev (LCL): 924.75 mb = 782.34 m = 2566.69 ft Lev Free Conv (LFC): 809.75 mb = 1925.93 m = 6318.59 ft Equ Level (EL): 159.75 mb = 13824.63 m = 45355.85 ft B at Equ Level: 801.57 J/kg Max Parcel Lev (MPL): 109.75 mb = 16042.89 m = 52633.51 ft Wind level data Storm motion: 47 at 11 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 0 0 -0.0 -0.0 | 227 11 8.3 7.8 1 1000 97 110 2 -1.9 0.7 | 217 11 6.4 8.5 2 977 305 100 13 -12.8 2.3 | 156 11 -4.5 10.1 3 943 610 80 21 -20.7 -3.6 | 109 13 -12.4 4.2 4 925 780 75 21 -20.3 -5.4 | 101 12 -12.0 2.4 5 911 914 70 21 -19.7 -7.2 | 93 11 -11.4 0.6 6 879 1219 60 23 -19.9 -11.5 | 72 12 -11.6 -3.7 7 850 1513 55 24 -19.7 -13.8 | 62 13 -11.3 -5.9 8 819 1829 55 19 -15.6 -10.9 | 67 8 -7.2 -3.1 9 790 2134 45 23 -16.3 -16.3 | 43 12 -7.9 -8.4 10 762 2438 25 21 -8.9 -19.0 | 3 11 -0.6 -11.2 11 735 2743 15 18 -4.7 -17.4 | 339 10 3.7 -9.6 12 709 3048 15 12 -3.1 -11.6 | 306 6 5.2 -3.8 13 700 3154 345 9 2.3 -8.7 | 275 11 10.6 -0.9 14 683 3353 315 12 8.5 -8.5 | 272 17 16.8 -0.7 15 658 3658 310 12 9.2 -7.7 | 270 18 17.5 0.1 16 633 3962 330 10 5.0 -8.7 | 274 13 13.3 -0.8 17 610 4267 315 8 5.7 -5.7 | 261 14 14.0 2.2 18 587 4572 315 6 4.2 -4.2 | 254 13 12.6 3.6 19 565 4877 300 12 10.4 -6.0 | 264 19 18.7 1.8 20 545 5182 310 15 11.5 -9.6 | 275 20 19.8 -1.8 21 500 5870 325 14 8.0 -11.5 | 283 17 16.4 -3.6 22 485 6096 330 14 7.0 -12.1 | 286 16 15.3 -4.3 23 448 6706 345 22 5.7 -21.3 | 314 19 14.0 -13.4 24 431 7010 355 18 1.6 -17.9 | 316 14 9.9 -10.1 25 414 7315 310 6 4.6 -3.9 | 253 14 12.9 4.0 26 400 7580 260 13 12.8 2.3 | 244 23 21.1 10.1 27 398 7620 270 12 12.0 -0.0 | 249 22 20.3 7.8 28 382 7925 225 18 12.7 12.7 | 226 29 21.0 20.6 29 366 8230 230 37 28.3 23.8 | 229 48 36.7 31.6 30 323 9144 250 32 30.1 10.9 | 244 43 38.4 18.8 31 300 9690 245 23 20.8 9.7 | 239 34 29.2 17.5 32 284 10058 245 22 19.9 9.3 | 239 33 28.3 17.1 33 260 10668 235 3 2.5 1.7 | 228 14 10.8 9.5 34 250 10950 210 4 2.0 3.5 | 222 15 10.3 11.3 35 207 12192 70 1 -0.9 -0.3 | 225 11 7.4 7.5 36 200 12420 95 3 -3.0 0.3 | 213 10 5.3 8.1 37 198 12497 50 1 -0.8 -0.6 | 226 10 7.6 7.2 38 162 13716 230 10 7.7 6.4 | 228 21 16.0 14.3 39 155 14021 245 19 17.2 8.0 | 238 30 25.5 15.9 40 150 14210 230 34 26.0 21.9 | 229 45 34.4 29.7 41 147 14326 240 33 28.6 16.5 | 237 44 36.9 24.3 42 140 14630 240 34 29.4 17.0 | 237 45 37.8 24.8 43 126 15240 245 27 24.5 11.4 | 240 38 32.8 19.2 44 119 15545 290 17 16.0 -5.8 | 265 24 24.3 2.0 45 113 15850 295 11 10.0 -4.6 | 260 19 18.3 3.2 46 108 16154 75 10 -9.7 -2.6 | 166 5 -1.3 5.2 47 102 16459 50 15 -11.5 -9.6 | 60 4 -3.2 -1.8 48 100 16580 60 21 -18.2 -10.5 | 75 10 -9.9 -2.7 49 97 16764 60 21 -18.2 -10.5 | 75 10 -9.9 -2.7 50 92 17069 65 27 -24.5 -11.4 | 77 17 -16.2 -3.6 51 82 17678 85 23 -22.9 -2.0 | 112 16 -14.6 5.8 52 78 17983 80 15 -14.8 -2.6 | 129 8 -6.5 5.2 53 74 18288 215 10 5.7 8.2 | 221 21 14.1 16.0 54 70 18610 170 11 -1.9 10.8 | 199 20 6.4 18.7 55 67 18898 185 15 1.3 14.9 | 203 25 9.6 22.8 56 63 19202 280 1 1.0 -0.2 | 231 12 9.3 7.7 57 57 19812 140 23 -14.8 17.6 | 166 26 -6.5 25.4 58 54 20117 100 33 -32.5 5.7 | 119 28 -24.2 13.6 59 51 20422 85 28 -27.9 -2.4 | 105 20 -19.6 5.4 60 50 20550 85 30 -29.9 -2.6 | 104 22 -21.6 5.2 61 48 20726 90 24 -24.0 0.0 | 117 18 -15.7 7.8 62 45 21031 100 38 -37.4 6.6 | 116 32 -29.1 14.4 63 42 21336 80 60 -59.1 -10.4 | 87 51 -50.8 -2.6 64 29 23165 85 65 -64.8 -5.7 | 92 56 -56.4 2.2 65 27 23470 85 65 -64.8 -5.7 | 92 56 -56.4 2.2 Wind Parameters Mean winds (0-6000m): 16.7 at 15.2 knts Storm direction: 46.7 at 11.4 knts Shear (0-3000m) pos: 3.5 neg: 3.6 tot: 7.1 10-3/s Storm rel Dir Shear (0-3000m): 66.1 deg Storm rel helicity (0-3000m) pos: 1.4 neg: -152.6 tot: -151.3 m^2/s^2 ave: -50.4 10^-3 m/s^2 rel: -0.87 Storm rel vorticity (0-3000m) horiz: 10.7 stream: -9.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 22.06 Bulk Shear: 38.21 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 92 12 154 9| 20.9 0.0 20.9| 0.0 -61.0 -61.0 -122.0 -0.98| 22.9-22.4 1000 80 17 121 9| 10.5 3.4 13.9| 0.0 -81.6 -81.6 -81.6 -0.97| 14.9-14.6 1500 71 19 100 10| 7.0 3.5 10.5| 0.0 -94.4 -94.4 -62.9 -0.95| 11.7-11.1 2000 66 19 89 9| 5.2 3.3 8.6| 1.4-102.3-101.0 -50.5 -0.84| 10.7 -9.0 2500 59 20 74 9| 4.2 4.2 8.4| 1.4-133.2-131.9 -52.7 -0.87| 10.7 -9.4 3000 53 19 61 8| 3.5 3.6 7.1| 1.4-152.6-151.3 -50.4 -0.87| 10.7 -9.3 4000 41 17 29 6| 3.1 3.8 6.9| 4.8-170.1-165.3 -41.3 -0.75| 10.0 -7.6 5000 31 15 355 5| 2.5 3.6 6.1| 27.4-182.0-154.6 -30.9 -0.63| 9.3 -5.9 6000 17 15 330 8| 2.5 3.0 5.5| 48.8-182.0-133.2 -22.2 -0.55| 8.3 -4.5 Wrote GIF file: /home/apache/climate/data/raob//SKLT/skewt/SKLT.skewt.20251227.12.gif