UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122112.upa.cvt Date: 1200Z 21 DEC 25 Searching for SKLT... Searching the city database file for: SKLT ... Date:1200Z 21 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 24.6 23.9 96 0.7 24.1 0 0 297.7 301.1 297.3 352.8 18.98 1 1000 89 24.4 24.0 98 0.4 24.1 40 3 297.5 301.0 297.3 353.0 19.11 2 991 169 24.0 23.4 96 0.6 23.6 33 6 297.9 301.3 297.0 351.9 18.59 3 970 357 25.4 22.1 82 3.3 23.0 20 13 301.2 304.4 297.2 352.8 17.52 4 925 775 23.0 20.0 83 3.0 20.9 15 14 302.8 305.8 296.7 350.5 16.11 5 879 1220 20.6 16.7 78 3.9 17.9 15 15 304.8 307.3 295.7 345.8 13.73 6 850 1510 18.4 15.4 83 3.0 16.4 20 15 305.4 307.8 295.4 344.5 13.06 7 700 3153 9.4 7.8 90 1.6 8.4 5 4 312.9 314.7 294.9 342.4 9.54 8 696 3201 8.8 8.1 95 0.7 8.3 350 4 312.7 314.6 295.0 343.0 9.79 9 623 4113 5.8 -1.2 61 7.0 2.0 266 10 319.4 320.5 293.7 337.5 5.63 10 610 4286 4.8 -3.2 56 8.0 0.7 290 13 320.2 321.1 293.4 336.2 4.96 11 559 4992 0.0 -2.1 86 2.1 -1.1 280 7 322.6 323.7 294.7 341.7 5.88 12 543 5225 -1.3 -4.2 81 2.9 -2.8 278 8 323.7 324.7 294.5 340.7 5.17 13 517 5615 -2.7 -20.7 24 18.0 -8.8 276 11 326.6 326.9 292.2 331.6 1.42 14 506 5786 -3.7 -10.7 58 7.0 -6.8 275 12 327.4 328.1 294.0 338.7 3.34 15 501 5864 -3.7 -17.7 33 14.0 -8.9 275 13 328.3 328.7 293.0 334.9 1.90 16 500 5880 -3.5 -21.5 23 18.0 -9.5 275 13 328.8 329.0 292.7 333.6 1.37 17 498 5912 -3.5 -25.5 16 22.0 -10.2 275 13 329.1 329.3 292.4 332.6 0.96 18 472 6335 -5.9 -25.9 19 20.0 -11.9 279 13 331.3 331.5 293.0 334.8 0.98 19 435 6970 -10.7 -19.7 48 9.0 -13.7 309 22 333.0 333.4 294.2 339.5 1.84 20 416 7312 -13.5 -24.5 39 11.0 -16.7 308 18 333.7 333.9 293.9 338.2 1.26 21 400 7610 -15.9 -21.9 60 6.0 -17.7 305 13 334.3 334.7 294.4 340.2 1.66 22 384 7916 -17.9 -19.5 87 1.6 -18.4 301 10 335.6 336.1 295.1 343.2 2.13 23 316 9340 -28.1 -37.1 42 9.0 -29.5 325 5 340.7 340.8 295.0 342.6 0.50 24 308 9523 -29.5 -34.3 63 4.8 -30.3 305 4 341.2 341.4 295.3 343.8 0.68 25 305 9593 -30.1 -38.1 46 8.0 -31.3 298 4 341.3 341.4 295.1 343.2 0.47 26 300 9710 -31.1 -35.9 63 4.8 -31.9 285 3 341.5 341.7 295.3 343.8 0.60 27 285 10073 -33.7 -37.8 66 4.1 -34.3 311 3 342.9 343.0 295.5 344.9 0.52 28 281 10172 -34.3 -40.3 55 6.0 -35.0 318 3 343.4 343.5 295.5 345.0 0.41 29 267 10528 -37.3 -40.6 71 3.3 -37.7 344 3 344.1 344.2 295.7 345.7 0.41 30 256 10818 -40.1 -46.1 53 6.0 -40.6 299 3 344.1 344.2 295.5 345.1 0.24 31 250 10980 -41.3 -45.3 65 4.0 -41.6 235 3 344.7 344.7 295.7 345.7 0.27 32 239 11283 -43.9 -47.8 65 3.9 -44.2 183 5 345.2 345.3 295.7 346.1 0.21 33 223 11743 -47.9 -54.9 44 7.0 -48.2 102 9 346.0 346.0 295.8 346.4 0.10 34 220 11832 -48.3 -63.3 16 15.0 -48.7 86 9 346.7 346.7 295.9 346.9 0.03 35 200 12450 -54.1 -64.1 28 10.0 -54.3 45 12 347.1 347.1 296.0 347.2 0.03 36 184 12978 -59.1 -62.9 61 3.8 -59.2 55 15 347.4 347.4 296.1 347.5 0.04 37 182 13046 -59.5 -66.5 40 7.0 -59.6 57 15 347.8 347.8 296.2 347.9 0.03 38 178 13185 -60.7 -65.7 52 5.0 -60.8 59 16 348.0 348.1 296.3 348.2 0.03 39 153 14110 -67.3 -80.3 14 13.0 -67.4 86 29 352.2 352.2 297.1 352.2 0.00 40 150 14230 -66.1 -83.1 8 17.0 -66.2 80 29 356.2 356.2 298.0 356.2 0.00 41 148 14311 -66.1 -84.1 6 18.0 -66.2 88 33 357.6 357.6 298.2 357.6 0.00 42 138 14733 -68.5 -84.5 8 16.0 -68.6 80 15 360.6 360.6 298.8 360.6 0.00 43 105 16318 -81.7 -88.7 29 7.0 -81.7 157 13 364.7 364.8 299.6 364.8 0.00 44 100 16590 -84.1 -88.8 43 4.7 -84.1 160 17 365.2 365.2 299.7 365.2 0.00 45 95 16873 -85.7 -90.7 40 5.0 -85.7 110 16 367.5 367.5 300.1 367.5 0.00 46 92 17049 -86.1 -92.1 33 6.0 -86.1 124 16 370.1 370.1 300.6 370.1 0.00 47 83 17624 -78.7 -88.7 18 10.0 -78.7 39 28 396.2 396.2 304.7 396.2 0.00 48 75 18197 -81.7 -90.7 20 9.0 -81.7 78 23 401.6 401.6 305.4 401.6 0.00 49 72 18429 -77.3 -89.3 13 12.0 -77.3 154 19 415.6 415.6 307.2 415.7 0.00 50 70 18590 -77.7 -89.7 13 12.0 -77.7 230 14 418.2 418.2 307.5 418.2 0.00 51 50 20550 -71.7 -89.7 5 18.0 -71.8 95 27 474.5 474.5 313.0 474.5 0.00 52 48 20791 -70.5 -90.5 4 20.0 -70.6 87 30 483.0 483.0 313.7 483.0 0.00 53 48 20791 -70.5 -90.5 4 20.0 -70.6 87 30 483.0 483.0 313.7 483.0 0.00 54 41 21720 -72.9 -91.9 4 19.0 -73.0 83 44 499.2 499.2 314.9 499.3 0.00 55 36 22497 -65.1 -91.1 2 26.0 -65.5 81 53 538.4 538.4 317.4 538.4 0.00 56 31 23417 -61.1 -89.1 1 28.0 -61.9 84 61 572.7 572.7 319.3 572.7 0.00 57 30 23620 -61.5 -88.5 2 27.0 -62.3 85 63 577.0 577.0 319.5 577.0 0.01 58 29 23830 -62.1 -89.1 2 27.0 -62.9 85 64 581.0 581.0 319.7 581.0 0.00 59 24 25015 -55.9 -86.5 1 30.6 -57.6 85 71 631.3 631.3 322.0 631.4 0.01 60 20 26190 -49.9 -83.9 1 34.0 -53.4 105 68 683.4 683.4 323.9 683.6 0.02 61 16 27669 -43.7 -81.7 1 38.0 -50.1 95 54 748.7 748.7 325.9 749.0 0.03 62 15 28103 -44.1 -82.1 1 38.0 -50.6 82 37 761.3 761.3 326.3 761.6 0.03 TRP 95 16873 -85.7 -90.7 40 5.0 -85.7 110 16 367.5 367.5 300.1 367.5 0.00 WND 24 25015 -55.9 -86.5 1 30.6 -57.6 85 71 631.3 631.3 322.0 631.4 0.01 Sounding variables and indices 1000-500 mb thick: 5791.00 m Freezing level: 559.00 mb = 4992.23 m = 16378.51 ft Wetbulb zero: 590.73 mb = 4545.54 m = 14913.01 ft Precipitable water: 2.19 inches Sfc-500 mean rel hum: 76.82 % Est. max temperature: 32.34 C = 90.21 F Sfc-Lift cond lev (LCL): 991.30 mb = 165.90 m = 544.28 ft T: 24.01 C 700-500 lapse rate: 4.73 C/km ThetaE index: 10.36 C Layer 925.0- 696.0 mb Conv cond level (CCL): 868.01 mb = 1328.62 m = 4358.95 ft Mean mixing ratio: 16.93 g/kg Conv temperature: 31.96 C = 89.53 F Cap Strength: 1.81 C Lifted Index: -1.03 C Risk: Thunderstorms probable Lifted Index @300 mb: -3.46 C Lifted Index @700 mb: -1.58 C Showalter Index: 1.52 C Risk: Showers probable Total Totals Index: 40.80 C Risk: None Vertical Totals Index: 21.90 C Cross Totals Index: 18.90 C K Index: 35.70 Risk: > 80 % chance of thunderstorms Sweat Index: 227.80 Risk: None Energy Index: -2.07 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1035.91 J/kg Max Up Vert Vel: 45.52 m/s Conv Inhibition (B-): 40.82 J/kg Cap Strength: 1.81 C Lift Cond Lev (LCL): 914.29 mb = 876.58 m = 2875.87 ft Lev Free Conv (LFC): 819.29 mb = 1821.42 m = 5975.71 ft Equ Level (EL): 149.29 mb = 14258.85 m = 46780.44 ft B at Equ Level: 990.76 J/kg Max Parcel Lev (MPL): 89.29 mb = 17216.07 m = 56482.49 ft Wind level data Storm motion: 16 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 | 196 7 2.0 7.2 1 1000 89 40 3 -1.9 -2.3 | 181 5 0.1 4.9 2 976 305 20 12 -4.1 -11.3 | 27 5 -2.1 -4.1 3 943 610 20 15 -5.1 -14.1 | 24 8 -3.1 -6.9 4 925 775 15 14 -3.6 -13.5 | 14 7 -1.6 -6.3 5 910 914 10 14 -2.4 -13.8 | 4 7 -0.4 -6.6 6 879 1219 15 15 -3.9 -14.5 | 14 8 -1.9 -7.3 7 850 1510 20 15 -5.1 -14.1 | 24 8 -3.1 -6.9 8 819 1829 20 13 -4.4 -12.2 | 26 6 -2.4 -5.0 9 790 2134 30 13 -6.5 -11.3 | 48 6 -4.5 -4.0 10 762 2438 30 12 -6.0 -10.4 | 51 5 -4.0 -3.2 11 735 2743 20 9 -3.1 -8.5 | 40 2 -1.1 -1.2 12 700 3153 5 4 -0.3 -4.0 | 207 4 1.7 3.2 13 658 3658 205 1 0.4 0.9 | 197 8 2.4 8.1 14 610 4267 290 13 12.2 -4.4 | 259 15 14.2 2.8 15 566 4877 280 6 5.9 -1.0 | 232 10 7.9 6.2 16 500 5880 275 13 13.0 -1.1 | 248 16 15.0 6.1 17 486 6096 275 12 12.0 -1.0 | 246 15 14.0 6.2 18 468 6401 280 13 12.8 -2.3 | 251 16 14.8 5.0 19 449 6706 305 16 13.1 -9.2 | 277 15 15.1 -2.0 20 432 7010 310 23 17.6 -14.8 | 291 21 19.6 -7.6 21 400 7610 305 13 10.6 -7.5 | 271 13 12.7 -0.2 22 399 7620 310 14 10.7 -9.0 | 278 13 12.7 -1.8 23 383 7925 300 10 8.7 -5.0 | 258 11 10.7 2.2 24 367 8230 260 2 2.0 0.3 | 208 9 4.0 7.6 25 324 9144 345 6 1.6 -5.8 | 248 4 3.6 1.4 26 300 9710 285 3 2.9 -0.8 | 217 8 4.9 6.4 27 261 10668 355 3 0.3 -3.0 | 208 5 2.3 4.2 28 250 10980 235 3 2.5 1.7 | 207 10 4.5 8.9 29 218 11887 75 10 -9.7 -2.6 | 121 9 -7.6 4.6 30 208 12192 50 11 -8.4 -7.1 | 91 6 -6.4 0.1 31 200 12450 45 12 -8.5 -8.5 | 79 7 -6.5 -1.3 32 163 13716 70 19 -17.9 -6.5 | 93 16 -15.8 0.7 33 155 14021 90 29 -29.0 0.0 | 105 28 -27.0 7.2 34 150 14230 80 29 -28.6 -5.0 | 95 27 -26.5 2.2 35 148 14326 90 34 -34.0 0.0 | 103 33 -32.0 7.2 36 140 14630 65 17 -15.4 -7.2 | 90 13 -13.4 0.0 37 126 15240 170 4 -0.7 3.9 | 187 11 1.3 11.2 38 120 15545 195 10 2.6 9.7 | 195 17 4.6 16.9 39 114 15850 170 10 -1.7 9.8 | 181 17 0.3 17.1 40 108 16154 155 11 -4.6 10.0 | 171 17 -2.6 17.2 41 100 16590 160 17 -5.8 16.0 | 171 24 -3.8 23.2 42 97 16764 160 17 -5.8 16.0 | 171 24 -3.8 23.2 43 95 16873 110 16 -15.0 5.5 | 134 18 -13.0 12.7 44 92 17069 125 16 -13.1 9.2 | 146 20 -11.1 16.4 45 87 17374 35 25 -14.3 -20.5 | 43 18 -12.3 -13.3 46 82 17678 40 28 -18.0 -21.4 | 48 21 -16.0 -14.2 47 78 17983 60 20 -17.3 -10.0 | 80 16 -15.3 -2.8 48 74 18288 85 24 -23.9 -2.1 | 103 22 -21.9 5.1 49 70 18590 230 14 10.7 9.0 | 218 21 12.7 16.2 50 66 18898 230 14 10.7 9.0 | 218 21 12.7 16.2 51 63 19202 165 11 -2.8 10.6 | 177 18 -0.8 17.8 52 60 19507 230 10 7.7 6.4 | 215 17 9.7 13.6 53 57 19812 225 15 10.6 10.6 | 215 22 12.6 17.8 54 51 20422 125 20 -16.4 11.5 | 142 24 -14.4 18.7 55 50 20550 95 27 -26.9 2.4 | 111 27 -24.9 9.6 56 46 21031 80 32 -31.5 -5.6 | 93 30 -29.5 1.7 57 44 21336 85 40 -39.8 -3.5 | 96 38 -37.8 3.7 58 38 22250 80 50 -49.2 -8.7 | 88 47 -47.2 -1.5 59 30 23620 85 63 -62.8 -5.5 | 92 61 -60.7 1.7 60 24 25015 85 71 -70.7 -6.2 | 91 69 -68.7 1.0 61 23 25298 85 71 -70.7 -6.2 | 91 69 -68.7 1.0 62 20 26190 105 68 -65.7 17.6 | 111 68 -63.7 24.8 63 17 26822 105 67 -64.7 17.3 | 111 67 -62.7 24.6 64 14 27432 70 22 -20.7 -7.5 | 89 19 -18.7 -0.3 65 12 28042 55 10 -8.2 -5.7 | 104 6 -6.2 1.5 66 11 28346 340 2 0.7 -1.9 | 207 6 2.7 5.3 Wind Parameters Mean winds (0-6000m): 345.7 at 10.0 knts Storm direction: 15.7 at 7.5 knts Shear (0-3000m) pos: 2.3 neg: 1.7 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): 14.2 deg Storm rel helicity (0-3000m) pos: 8.6 neg: -11.3 tot: -2.7 m^2/s^2 ave: -0.9 10^-3 m/s^2 rel: -0.32 Storm rel vorticity (0-3000m) horiz: 6.1 stream: -1.9 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 194.89 Bulk Shear: 5.32 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 21 11 34 3| 15.2 0.0 15.2| 0.0 -6.8 -6.8 -13.6 -0.68| 17.0-11.5 1000 17 12 20 5| 7.6 1.0 8.5| 0.9 -10.7 -9.9 -9.9 -0.65| 10.2 -6.6 1500 17 13 19 6| 5.1 0.6 5.8| 4.6 -10.7 -6.1 -4.1 -0.50| 7.6 -3.8 2000 18 13 22 6| 3.5 0.5 4.0| 7.7 -10.7 -3.0 -1.5 -0.35| 6.5 -2.3 2500 20 13 27 6| 2.8 0.8 3.6| 8.6 -11.0 -2.4 -1.0 -0.31| 5.8 -1.8 3000 20 12 28 5| 2.3 1.7 4.0| 8.6 -11.3 -2.7 -0.9 -0.32| 6.1 -1.9 4000 17 10 20 3| 1.4 1.9 3.4| 34.9 -18.2 16.7 4.2 -0.11| 6.8 -0.8 5000 2 10 327 3| 1.5 1.6 3.1| 59.7 -35.7 24.0 4.8 -0.07| 6.9 -0.5 6000 346 10 299 5| 1.2 1.5 2.8| 68.4 -37.5 30.8 5.1 -0.03| 6.3 -0.2 Wrote GIF file: /home/apache/climate/data/raob//SKLT/skewt/SKLT.skewt.20251221.12.gif