UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121812.upa.cvt Date: 1200Z 18 DEC 25 Searching for SKLT... Searching the city database file for: SKLT ... Date:1200Z 18 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 23.4 95 0.8 23.6 0 0 297.3 300.6 296.8 350.6 18.40 1 1000 91 24.0 23.5 97 0.5 23.6 305 4 297.1 300.5 296.8 350.8 18.53 2 925 772 20.4 20.1 98 0.3 20.2 315 8 300.2 303.1 296.1 347.7 16.22 3 850 1502 17.4 15.8 90 1.6 16.3 50 9 304.4 306.9 295.4 344.3 13.40 4 700 3144 10.6 6.3 75 4.3 8.0 130 7 314.2 315.9 294.6 341.0 8.59 5 680 3386 9.6 5.5 76 4.1 7.1 135 8 315.7 317.3 294.8 342.0 8.36 6 584 4632 1.0 1.0 100 0.0 1.0 143 13 319.7 321.1 294.9 342.3 7.07 7 500 5870 -5.3 -5.3 100 0.0 -5.3 185 8 326.6 327.6 295.2 343.7 5.16 8 452 6655 -10.1 -12.3 84 2.2 -11.0 205 25 330.1 330.8 294.7 341.4 3.29 9 447 6741 -9.9 -11.9 85 2.0 -10.8 202 26 331.4 332.1 295.1 343.2 3.44 10 419 7237 -12.5 -13.2 94 0.7 -12.8 157 13 334.3 334.9 295.7 345.7 3.30 11 400 7590 -14.7 -15.7 92 1.0 -15.1 160 14 335.9 336.5 295.7 345.8 2.82 12 321 9223 -25.9 -28.1 82 2.2 -26.4 123 8 342.2 342.4 295.8 346.6 1.18 13 300 9710 -29.7 -32.3 78 2.6 -30.2 110 5 343.5 343.7 295.9 346.8 0.85 14 250 10980 -40.1 -43.7 68 3.6 -40.4 5 10 346.4 346.5 296.1 347.7 0.32 15 248 11035 -40.5 -44.4 66 3.9 -40.8 4 10 346.6 346.7 296.1 347.9 0.30 16 200 12460 -53.3 -59.3 48 6.0 -53.5 355 21 348.4 348.4 296.3 348.6 0.06 17 185 12955 -57.9 -66.9 31 9.0 -58.0 351 22 348.8 348.8 296.4 348.9 0.03 18 181 13092 -58.9 -69.9 23 11.0 -59.0 350 23 349.3 349.3 296.5 349.4 0.02 19 153 14122 -67.9 -72.6 51 4.7 -67.9 39 21 351.1 351.1 296.9 351.2 0.01 20 150 14240 -68.9 -74.9 42 6.0 -68.9 45 23 351.4 351.4 297.0 351.4 0.01 21 141 14608 -72.1 -81.1 25 9.0 -72.1 49 27 352.1 352.1 297.1 352.1 0.00 22 120 15540 -79.7 -85.7 36 6.0 -79.7 65 43 354.8 354.8 297.7 354.8 0.00 23 107 16188 -81.1 -89.1 25 8.0 -81.1 56 35 363.9 363.9 299.5 363.9 0.00 24 101 16514 -80.3 -90.3 17 10.0 -80.3 69 22 371.5 371.5 300.8 371.5 0.00 25 100 16570 -80.1 -90.1 17 10.0 -80.1 95 18 373.0 373.0 301.1 373.0 0.00 26 85 17478 -86.1 -92.1 33 6.0 -86.1 100 34 378.6 378.6 302.0 378.6 0.00 27 82 17676 -85.3 -92.3 27 7.0 -85.3 92 38 384.1 384.1 302.9 384.1 0.00 28 80 17814 -79.7 -89.7 18 10.0 -79.7 86 40 398.4 398.4 305.0 398.4 0.00 29 78 17959 -77.3 -88.3 16 11.0 -77.3 81 43 406.2 406.2 306.0 406.3 0.00 30 72 18418 -78.3 -88.3 18 10.0 -78.3 71 19 413.5 413.5 306.9 413.5 0.00 31 70 18580 -76.1 -87.1 16 11.0 -76.2 120 13 421.6 421.6 307.9 421.6 0.00 32 58 19672 -73.3 -87.3 10 14.0 -73.4 75 15 451.2 451.2 311.0 451.2 0.00 33 55 19981 -74.9 -88.9 10 14.0 -75.0 32 6 454.4 454.4 311.3 454.4 0.00 34 50 20540 -70.7 -87.7 6 17.0 -70.8 95 24 476.9 476.9 313.2 476.9 0.00 35 44 21310 -64.5 -86.5 3 22.0 -64.8 90 42 509.8 509.8 315.7 509.8 0.01 36 40 21893 -64.3 -86.3 3 22.0 -64.7 78 46 524.4 524.4 316.6 524.4 0.01 37 37 22367 -66.7 -87.7 4 21.0 -67.0 73 47 530.0 530.0 316.9 530.1 0.00 38 31 23448 -62.3 -87.3 2 25.0 -63.0 99 58 569.4 569.4 319.1 569.5 0.01 39 30 23650 -63.7 -87.7 2 24.0 -64.3 105 68 571.0 571.0 319.2 571.0 0.01 40 27 24297 -63.6 -88.3 2 24.7 -64.2 100 73 588.9 588.9 320.1 588.9 0.01 41 26 24528 -63.5 -88.5 2 25.0 -64.2 100 73 595.4 595.4 320.4 595.4 0.01 TRP 85 17478 -86.1 -92.1 33 6.0 -86.1 100 34 378.6 378.6 302.0 378.6 0.00 WND 27 24297 -63.6 -88.3 2 24.7 -64.2 100 73 588.9 588.9 320.1 588.9 0.01 Sounding variables and indices 1000-500 mb thick: 5779.00 m Freezing level: 570.67 mb = 4828.90 m = 15842.66 ft Wetbulb zero: 570.52 mb = 4818.64 m = 15808.98 ft Precipitable water: 2.40 inches Sfc-500 mean rel hum: 90.41 % Est. max temperature: 31.25 C = 88.25 F Sfc-Lift cond lev (LCL): 989.83 mb = 180.31 m = 591.58 ft T: 23.53 C 700-500 lapse rate: 5.83 C/km ThetaE index: 9.82 C Layer 925.0- 680.0 mb Conv cond level (CCL): 939.06 mb = 640.20 m = 2100.38 ft Mean mixing ratio: 16.98 g/kg Conv temperature: 26.52 C = 79.74 F Cap Strength: 0.44 C Lifted Index: -1.92 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.66 C Lifted Index @700 mb: 0.33 C Showalter Index: -0.22 C Risk: Thunderstorms probable Total Totals Index: 43.80 C Risk: None Vertical Totals Index: 22.70 C Cross Totals Index: 21.10 C K Index: 34.20 Risk: 60-80 % chance of thunderstorms Sweat Index: 215.60 Risk: None Energy Index: -0.20 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 362.25 J/kg Max Up Vert Vel: 26.92 m/s Conv Inhibition (B-): 0.26 J/kg Cap Strength: 0.40 C Lift Cond Lev (LCL): 944.93 mb = 585.81 m = 1921.93 ft Lev Free Conv (LFC): 929.93 mb = 725.59 m = 2380.51 ft Equ Level (EL): 819.93 mb = 1806.62 m = 5927.16 ft B at Equ Level: 17.62 J/kg Max Parcel Lev (MPL): 109.93 mb = 16035.61 m = 52609.63 ft Wind level data Storm motion: 154 at 7 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 0 0 -0.0 -0.0 | 334 7 3.1 -6.4 1 1000 91 305 4 3.3 -2.3 | 324 11 6.4 -8.7 2 976 305 285 9 8.7 -2.3 | 306 15 11.8 -8.7 3 942 610 300 8 6.9 -4.0 | 316 14 10.1 -10.4 4 925 772 315 8 5.7 -5.7 | 324 15 8.8 -12.1 5 910 914 330 9 4.5 -7.8 | 332 16 7.6 -14.2 6 878 1219 30 7 -3.5 -6.1 | 2 12 -0.4 -12.5 7 850 1502 50 9 -6.9 -5.8 | 17 13 -3.8 -12.2 8 818 1829 55 10 -8.2 -5.7 | 23 13 -5.1 -12.1 9 789 2134 55 12 -9.8 -6.9 | 27 15 -6.7 -13.3 10 761 2438 55 6 -4.9 -3.4 | 10 10 -1.8 -9.8 11 734 2743 100 7 -6.9 1.2 | 36 6 -3.8 -5.2 12 700 3144 130 7 -5.4 4.5 | 49 3 -2.2 -1.9 13 657 3658 140 10 -6.4 7.7 | 111 4 -3.3 1.3 14 609 4267 135 11 -7.8 7.8 | 107 5 -4.6 1.4 15 565 4877 150 14 -7.0 12.1 | 146 7 -3.9 5.7 16 544 5182 150 14 -7.0 12.1 | 146 7 -3.9 5.7 17 505 5791 195 7 1.8 6.8 | 266 5 5.0 0.4 18 500 5870 185 8 0.7 8.0 | 248 4 3.8 1.6 19 486 6096 200 11 3.8 10.3 | 240 8 6.9 3.9 20 449 6706 205 27 11.4 24.5 | 219 23 14.6 18.1 21 415 7315 150 11 -5.5 9.5 | 143 4 -2.4 3.1 22 400 7590 160 14 -4.8 13.2 | 166 7 -1.6 6.8 23 398 7620 160 14 -4.8 13.2 | 166 7 -1.6 6.8 24 382 7925 170 18 -3.1 17.7 | 180 11 0.0 11.3 25 367 8230 160 18 -6.2 16.9 | 164 11 -3.0 10.5 26 352 8534 160 11 -3.8 10.3 | 171 4 -0.6 3.9 27 324 9144 125 8 -6.6 4.6 | 62 4 -3.4 -1.8 28 300 9710 110 5 -4.7 1.7 | 18 5 -1.6 -4.7 29 273 10363 75 2 -1.9 -0.5 | 350 7 1.2 -6.9 30 261 10668 30 9 -4.5 -7.8 | 5 14 -1.4 -14.2 31 250 10973 5 10 -0.9 -10.0 | 352 17 2.3 -16.4 32 250 10980 5 10 -0.9 -10.0 | 352 17 2.3 -16.4 33 228 11582 350 14 2.4 -13.8 | 345 21 5.6 -20.2 34 208 12192 355 20 1.7 -19.9 | 349 27 4.9 -26.3 35 200 12460 355 21 1.8 -20.9 | 350 28 5.0 -27.3 36 180 13106 350 23 4.0 -22.7 | 346 30 7.1 -29.1 37 163 13716 5 26 -2.3 -25.9 | 358 32 0.9 -32.3 38 155 14021 35 19 -10.9 -15.6 | 19 23 -7.8 -22.0 39 150 14240 45 23 -16.3 -16.3 | 30 26 -13.1 -22.7 40 148 14326 45 21 -14.8 -14.8 | 29 24 -11.7 -21.3 41 126 15240 60 40 -34.6 -20.0 | 50 41 -31.5 -26.4 42 113 15850 70 46 -43.2 -15.7 | 61 46 -40.1 -22.1 43 102 16459 45 26 -18.4 -18.4 | 32 29 -15.2 -24.8 44 100 16570 95 18 -17.9 1.6 | 72 16 -14.8 -4.8 45 97 16764 95 18 -17.9 1.6 | 72 16 -14.8 -4.8 46 87 17374 120 20 -17.3 10.0 | 104 15 -14.2 3.6 47 85 17478 100 34 -33.5 5.9 | 89 30 -30.3 -0.5 48 78 17983 80 43 -42.3 -7.5 | 71 42 -39.2 -13.9 49 74 18288 30 24 -12.0 -20.8 | 18 29 -8.9 -27.2 50 70 18580 120 13 -11.3 6.5 | 91 8 -8.1 0.1 51 70 18593 35 12 -6.9 -9.8 | 13 17 -3.7 -16.2 52 66 18898 120 10 -8.7 5.0 | 76 6 -5.5 -1.4 53 63 19202 115 23 -20.8 9.7 | 101 18 -17.7 3.3 54 60 19507 75 18 -17.4 -4.7 | 52 18 -14.2 -11.1 55 57 19812 75 13 -12.6 -3.4 | 44 14 -9.4 -9.8 56 54 20117 0 0 -0.0 -0.0 | 334 7 3.1 -6.4 57 51 20422 145 10 -5.7 8.2 | 125 3 -2.6 1.8 58 50 20540 95 24 -23.9 2.1 | 78 21 -20.8 -4.3 59 46 21031 95 27 -26.9 2.4 | 80 24 -23.8 -4.1 60 44 21336 90 43 -43.0 0.0 | 81 40 -39.9 -6.4 61 38 22250 70 48 -45.1 -16.4 | 61 48 -42.0 -22.8 62 32 23165 90 44 -44.0 0.0 | 81 41 -40.9 -6.4 63 30 23650 105 68 -65.7 17.6 | 100 64 -62.5 11.2 64 29 23774 105 64 -61.8 16.6 | 100 60 -58.7 10.2 65 27 24297 100 73 -71.9 12.7 | 95 69 -68.7 6.3 66 26 24384 100 73 -71.9 12.7 | 95 69 -68.7 6.3 67 25 24689 100 73 -71.9 12.7 | 95 69 -68.7 6.3 Wind Parameters Mean winds (0-6000m): 123.9 at 9.5 knts Storm direction: 153.9 at 7.1 knts Shear (0-3000m) pos: 2.6 neg: 1.4 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): 73.7 deg Storm rel helicity (0-3000m) pos: 80.6 neg: -22.8 tot: 57.8 m^2/s^2 ave: 19.3 10^-3 m/s^2 rel: 0.36 Storm rel vorticity (0-3000m) horiz: 7.5 stream: 2.7 10^-3/s Energy-Hel index: 0.16 Bulk Rich Number: 9.51 Bulk Shear: 38.09 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 ------------------------------------------------------------------------------- 500 291 8 312 14| 0.0 8.3 8.3| 6.8 -14.0 -7.2 -14.3 -0.29| 11.1 -3.3 1000 308 8 320 15| 4.4 4.2 8.6| 43.4 -14.0 29.4 29.4 0.29| 10.5 3.0 1500 335 8 334 15| 4.9 2.8 7.7| 66.3 -14.0 52.3 34.9 0.46| 9.5 4.3 2000 4 9 350 15| 4.3 2.1 6.4| 72.7 -14.0 58.7 29.3 0.47| 7.8 3.7 2500 19 9 359 14| 2.8 1.7 4.5| 75.7 -22.8 52.9 21.1 0.34| 7.8 2.7 3000 33 8 6 13| 2.6 1.4 4.0| 80.6 -22.8 57.8 19.3 0.36| 7.5 2.7 4000 71 9 28 10| 2.2 0.9 3.1| 83.3 -23.0 60.3 15.1 0.39| 6.2 2.4 5000 105 9 56 7| 2.1 0.7 2.8| 89.2 -23.1 66.1 13.2 0.43| 5.5 2.3 6000 124 10 77 5| 1.2 0.6 1.8|102.2 -25.7 76.5 12.7 0.45| 5.9 2.6 Wrote GIF file: /home/apache/climate/data/raob//SKLT/skewt/SKLT.skewt.20251218.12.gif