UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121912.upa.cvt Date: 1200Z 19 DEC 25 Searching for SKLT... Searching the city database file for: SKLT ... Date:1200Z 19 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 23.6 23.1 97 0.5 23.3 90 2 296.6 299.8 296.3 348.7 18.04 1 1000 97 23.4 23.1 98 0.3 23.2 130 2 296.5 299.8 296.4 348.7 18.07 2 987 212 22.4 22.1 98 0.3 22.2 160 5 296.7 299.8 295.8 346.4 17.21 3 949 555 23.4 19.8 80 3.6 20.9 325 3 301.0 303.9 295.8 346.6 15.50 4 925 779 22.0 18.7 82 3.3 19.7 255 1 301.8 304.5 295.6 345.5 14.83 5 894 1075 20.6 15.7 73 4.9 17.3 358 5 303.3 305.7 294.5 340.8 12.65 6 850 1511 18.0 15.9 88 2.1 16.5 325 9 305.0 307.5 295.6 345.3 13.49 7 757 2495 11.8 11.0 95 0.8 11.3 357 7 308.6 310.6 294.8 341.8 10.96 8 705 3092 10.4 6.6 77 3.8 8.1 256 2 313.4 315.0 294.4 340.4 8.71 9 700 3151 9.8 6.3 79 3.5 7.7 245 1 313.3 315.0 294.3 340.0 8.59 10 667 3551 7.0 4.5 84 2.5 5.5 295 7 314.6 316.1 294.1 339.4 7.95 11 663 3601 8.0 3.9 75 4.1 5.6 270 8 316.2 317.7 294.4 340.3 7.66 12 646 3815 7.6 2.7 71 4.9 4.8 236 10 318.1 319.5 294.6 341.1 7.22 13 526 5479 -3.5 -3.6 99 0.1 -3.6 292 20 324.0 325.1 294.8 342.3 5.58 14 521 5554 -2.9 -5.4 83 2.5 -4.1 293 19 325.6 326.6 294.8 341.9 4.92 15 500 5880 -4.9 -6.9 86 2.0 -5.8 320 11 327.1 328.0 294.8 342.3 4.56 16 436 6944 -10.5 -14.1 75 3.6 -11.9 3 14 333.0 333.6 295.1 343.3 2.95 17 400 7600 -15.9 -15.9 100 0.0 -15.9 85 11 334.3 334.9 295.3 344.0 2.77 18 399 7619 -16.1 -16.1 100 0.0 -16.1 85 10 334.3 334.9 295.3 343.8 2.73 19 382 7946 -16.9 -20.2 76 3.3 -18.0 93 10 337.4 337.9 295.4 344.6 2.01 20 359 8408 -20.9 -22.0 91 1.1 -21.2 101 11 338.1 338.5 295.4 344.7 1.83 21 341 8786 -22.5 -28.5 58 6.0 -23.9 103 12 341.0 341.2 295.5 345.0 1.07 22 310 9476 -28.7 -32.2 72 3.5 -29.3 114 15 341.7 341.9 295.5 344.9 0.83 23 305 9592 -29.3 -33.1 70 3.8 -30.0 117 15 342.5 342.6 295.6 345.4 0.77 24 300 9710 -30.1 -34.9 63 4.8 -30.9 120 15 343.0 343.1 295.6 345.5 0.66 25 285 10073 -33.3 -36.5 73 3.2 -33.8 126 14 343.4 343.6 295.7 345.7 0.59 26 254 10872 -39.7 -42.6 74 2.9 -40.0 141 11 345.5 345.5 296.0 346.9 0.35 27 250 10980 -40.7 -44.0 70 3.3 -41.0 145 11 345.6 345.6 295.9 346.8 0.31 28 214 12020 -49.7 -53.4 65 3.7 -49.8 116 12 347.3 347.3 296.1 347.8 0.12 29 200 12460 -53.5 -55.8 76 2.3 -53.6 105 20 348.0 348.1 296.3 348.5 0.10 30 196 12590 -54.5 -55.8 85 1.3 -54.5 104 20 348.5 348.5 296.4 348.9 0.10 31 189 12821 -56.9 -61.7 54 4.8 -57.0 102 20 348.2 348.3 296.3 348.5 0.05 32 184 12990 -58.5 -61.8 66 3.3 -58.6 100 19 348.3 348.3 296.3 348.6 0.05 33 162 13777 -65.9 -70.2 55 4.3 -66.0 92 18 348.8 348.8 296.4 348.9 0.02 34 150 14240 -69.5 -74.1 51 4.6 -69.5 95 29 350.4 350.4 296.7 350.4 0.01 35 126 15256 -78.1 -84.1 37 6.0 -78.1 80 48 352.7 352.7 297.2 352.7 0.00 36 118 15634 -73.9 -86.9 12 13.0 -73.9 71 32 367.1 367.1 300.1 367.2 0.00 37 105 16305 -79.1 -88.1 21 9.0 -79.1 104 11 369.7 369.7 300.5 369.7 0.00 38 100 16580 -81.7 -88.7 29 7.0 -81.7 90 16 369.9 369.9 300.5 369.9 0.00 39 87 17353 -86.7 -91.6 40 4.9 -86.7 61 14 374.9 374.9 301.4 374.9 0.00 40 82 17677 -86.1 -92.1 33 6.0 -86.1 70 27 382.5 382.5 302.6 382.5 0.00 41 77 18031 -77.5 -88.5 15 11.0 -77.5 80 34 407.3 407.3 306.2 407.3 0.00 42 74 18259 -76.5 -88.5 13 12.0 -76.6 80 19 414.1 414.1 307.0 414.1 0.00 43 71 18498 -77.1 -89.1 13 12.0 -77.1 44 12 417.7 417.7 307.4 417.7 0.00 44 70 18580 -73.9 -87.9 10 14.0 -74.0 30 10 426.3 426.3 308.4 426.3 0.00 45 69 18664 -73.3 -88.3 8 15.0 -73.4 28 4 429.3 429.3 308.7 429.3 0.00 46 65 19011 -74.5 -88.5 10 14.0 -74.6 325 13 434.1 434.1 309.3 434.1 0.00 47 59 19581 -68.5 -88.5 4 20.0 -68.7 251 4 459.8 459.8 311.7 459.8 0.00 48 53 20217 -72.1 -90.1 5 18.0 -72.2 144 12 465.8 465.8 312.3 465.8 0.00 49 50 20560 -71.1 -89.1 5 18.0 -71.2 95 26 475.9 475.9 313.1 476.0 0.00 50 40 21885 -69.7 -91.7 3 22.0 -69.9 87 43 510.8 510.8 315.7 510.8 0.00 51 33 23051 -62.9 -89.9 1 27.0 -63.5 86 56 557.8 557.8 318.5 557.8 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5783.00 m Freezing level: 563.84 mb = 4954.16 m = 16253.61 ft Wetbulb zero: 577.26 mb = 4725.91 m = 15504.78 ft Precipitable water: 2.29 inches Sfc-500 mean rel hum: 85.11 % Est. max temperature: 31.95 C = 89.51 F Sfc-Lift cond lev (LCL): 995.15 mb = 139.57 m = 457.91 ft T: 23.03 C 700-500 lapse rate: 5.39 C/km ThetaE index: 5.91 C Layer 757.0- 663.0 mb Conv cond level (CCL): 856.02 mb = 1450.12 m = 4757.56 ft Mean mixing ratio: 15.70 g/kg Conv temperature: 31.79 C = 89.23 F Cap Strength: 2.15 C Lifted Index: -0.47 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.52 C Lifted Index @700 mb: 0.35 C Showalter Index: -0.23 C Risk: Thunderstorms probable Total Totals Index: 43.70 C Risk: None Vertical Totals Index: 22.90 C Cross Totals Index: 20.80 C K Index: 35.30 Risk: > 80 % chance of thunderstorms Sweat Index: 219.80 Risk: None Energy Index: -0.66 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 88.61 J/kg Max Up Vert Vel: 13.31 m/s Conv Inhibition (B-): 67.61 J/kg Cap Strength: 2.15 C Lift Cond Lev (LCL): 916.99 mb = 854.59 m = 2803.73 ft Lev Free Conv (LFC): 781.99 mb = 2219.40 m = 7281.41 ft Equ Level (EL): 721.99 mb = 2892.04 m = 9488.20 ft B at Equ Level: 33.88 J/kg Max Parcel Lev (MPL): 241.99 mb = 11197.78 m = 36737.66 ft Wind level data Storm motion: 331 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 1002 84 90 2 -2.0 0.0 | 138 8 -5.3 5.9 1 1000 97 130 2 -1.5 1.3 | 146 9 -4.8 7.2 2 977 305 185 7 0.6 7.0 | 168 13 -2.7 12.9 3 943 610 355 2 0.2 -2.0 | 141 5 -3.1 3.9 4 925 779 255 1 1.0 0.3 | 159 7 -2.3 6.2 5 911 914 355 2 0.2 -2.0 | 141 5 -3.1 3.9 6 879 1219 360 7 -0.0 -7.0 | 72 3 -3.3 -1.1 7 850 1511 325 9 5.2 -7.4 | 308 2 1.8 -1.5 8 819 1829 35 11 -6.3 -9.0 | 72 10 -9.6 -3.1 9 790 2134 20 10 -3.4 -9.4 | 63 8 -6.7 -3.5 10 762 2438 5 8 -0.7 -8.0 | 63 5 -4.0 -2.1 11 735 2743 320 5 3.2 -3.8 | 177 2 -0.1 2.1 12 700 3151 245 1 0.9 0.4 | 159 7 -2.4 6.3 13 683 3353 35 1 -0.6 -0.8 | 143 6 -3.9 5.1 14 658 3658 235 10 8.2 5.7 | 203 13 4.9 11.6 15 610 4267 240 8 6.9 4.0 | 200 11 3.6 9.9 16 566 4877 295 15 13.6 -6.3 | 272 10 10.3 -0.4 17 545 5182 290 22 20.7 -7.5 | 275 17 17.4 -1.6 18 506 5791 295 17 15.4 -7.2 | 276 12 12.1 -1.3 19 500 5880 320 11 7.1 -8.4 | 304 5 3.8 -2.5 20 486 6096 335 6 2.5 -5.4 | 121 1 -0.8 0.5 21 467 6401 345 6 1.6 -5.8 | 94 2 -1.8 0.1 22 449 6706 350 17 3.0 -16.7 | 2 11 -0.4 -10.8 23 415 7315 25 10 -4.2 -9.1 | 67 8 -7.5 -3.1 24 400 7600 85 11 -11.0 -1.0 | 109 15 -14.3 5.0 25 399 7620 85 10 -10.0 -0.9 | 111 14 -13.3 5.0 26 367 8230 100 10 -9.8 1.7 | 120 15 -13.2 7.7 27 324 9144 105 14 -13.5 3.6 | 120 19 -16.8 9.5 28 300 9710 120 15 -13.0 7.5 | 129 21 -16.3 13.4 29 261 10668 135 11 -7.8 7.8 | 141 18 -11.1 13.7 30 250 10980 145 11 -6.3 9.0 | 147 18 -9.6 14.9 31 218 11887 120 10 -8.7 5.0 | 132 16 -12.0 10.9 32 208 12192 110 16 -15.0 5.5 | 122 22 -18.3 11.4 33 200 12460 105 20 -19.3 5.2 | 116 25 -22.6 11.1 34 155 14021 90 18 -18.0 0.0 | 106 22 -21.3 5.9 35 150 14240 95 29 -28.9 2.5 | 105 33 -32.2 8.4 36 133 14935 90 40 -40.0 0.0 | 98 44 -43.3 5.9 37 126 15240 80 48 -47.3 -8.3 | 87 51 -50.6 -2.4 38 113 15850 65 22 -19.9 -9.3 | 82 23 -23.3 -3.4 39 108 16154 95 9 -9.0 0.8 | 119 14 -12.3 6.7 40 102 16459 115 13 -11.8 5.5 | 127 19 -15.1 11.4 41 100 16580 90 16 -16.0 0.0 | 107 20 -19.3 5.9 42 97 16764 90 16 -16.0 0.0 | 107 20 -19.3 5.9 43 87 17374 60 14 -12.1 -7.0 | 86 15 -15.4 -1.1 44 78 17983 80 38 -37.4 -6.6 | 89 41 -40.7 -0.7 45 74 18288 80 18 -17.7 -3.1 | 98 21 -21.0 2.8 46 70 18580 30 10 -5.0 -8.7 | 72 9 -8.3 -2.7 47 70 18593 45 2 -1.4 -1.4 | 134 7 -4.7 4.5 48 66 18898 335 11 4.6 -10.0 | 342 4 1.3 -4.1 49 63 19202 310 15 11.5 -9.6 | 295 9 8.2 -3.7 50 60 19507 270 2 2.0 -0.0 | 167 6 -1.3 5.9 51 57 19812 195 10 2.6 9.7 | 177 16 -0.7 15.6 52 54 20117 160 11 -3.8 10.3 | 156 18 -7.1 16.3 53 51 20422 110 15 -14.1 5.1 | 122 21 -17.4 11.0 54 50 20560 95 26 -25.9 2.3 | 106 30 -29.2 8.2 55 48 20726 95 22 -21.9 1.9 | 107 26 -25.2 7.8 56 42 21336 75 38 -36.7 -9.8 | 84 40 -40.0 -3.9 57 37 21946 100 48 -47.3 8.3 | 106 53 -50.6 14.2 58 33 22555 85 56 -55.8 -4.9 | 91 59 -59.1 1.0 59 29 23165 95 63 -62.8 5.5 | 100 67 -66.1 11.4 Wind Parameters Mean winds (0-6000m): 300.7 at 9.0 knts Storm direction: 330.7 at 6.8 knts Shear (0-3000m) pos: 1.4 neg: 2.0 tot: 3.4 10-3/s Storm rel Dir Shear (0-3000m): 26.8 deg Storm rel helicity (0-3000m) pos: 40.0 neg: -17.6 tot: 22.5 m^2/s^2 ave: 7.5 10^-3 m/s^2 rel: 0.09 Storm rel vorticity (0-3000m) horiz: 10.8 stream: 1.0 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 4.76 Bulk Shear: 18.63 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 ------------------------------------------------------------------------------- 500 183 5 163 11| 0.0 3.7 3.7| 26.0 -3.8 22.1 44.3 0.29| 21.1 6.0 1000 194 3 165 10| 1.3 1.9 3.2| 27.6 -8.3 19.3 19.3 0.12| 14.5 1.7 1500 335 5 140 2| 0.9 2.9 3.8| 28.8 -12.4 16.5 11.0 -0.03| 12.8 -0.4 2000 5 6 86 4| 2.1 2.2 4.3| 38.8 -14.6 24.2 12.1 0.09| 12.5 1.1 2500 7 7 80 4| 1.7 2.5 4.1| 39.2 -15.3 23.9 9.6 0.09| 11.3 1.0 3000 1 6 84 3| 1.4 2.0 3.4| 40.0 -17.6 22.5 7.5 0.09| 10.8 1.0 4000 335 6 115 1| 0.5 1.7 2.3| 44.4 -30.2 14.2 3.6 0.07| 10.9 0.8 5000 305 7 239 3| 1.9 1.4 3.3| 81.9 -30.5 51.4 10.3 0.19| 10.6 2.0 6000 301 9 254 5| 1.3 1.2 2.5| 90.3 -30.6 59.7 10.0 0.22| 10.8 2.4 Wrote GIF file: /home/apache/climate/data/raob//SKLT/skewt/SKLT.skewt.20251219.12.gif