UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122012.upa.cvt Date: 1200Z 20 DEC 25 Searching for SKLT... Searching the city database file for: SKLT ... Date:1200Z 20 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 89 24.4 23.5 95 0.9 23.8 0 0 297.5 300.9 296.9 351.3 18.53 2 985 222 23.0 22.1 95 0.9 22.3 40 7 297.4 300.6 296.1 347.4 17.25 3 970 356 25.2 19.2 69 6.0 21.0 56 10 301.0 303.6 295.2 343.8 14.59 4 925 774 24.0 18.0 69 6.0 19.8 15 7 303.8 306.5 295.7 346.0 14.18 5 906 956 23.4 17.4 69 6.0 19.2 12 7 305.0 307.6 295.9 346.7 13.93 6 903 985 23.2 17.2 69 6.0 19.0 10 8 305.1 307.7 295.8 346.4 13.80 7 850 1511 20.0 15.0 73 5.0 16.6 350 9 307.1 309.5 295.6 345.4 12.72 8 769 2368 14.2 10.6 79 3.6 11.9 64 7 309.8 311.7 294.7 341.8 10.50 9 700 3159 10.2 7.2 82 3.0 8.3 55 5 313.8 315.5 294.8 342.2 9.15 10 608 4317 3.2 2.5 95 0.7 2.8 3 2 318.6 320.1 295.0 342.7 7.56 11 574 4782 0.2 -1.4 89 1.6 -0.7 328 6 320.4 321.6 294.3 339.8 6.03 12 539 5285 -1.3 -7.3 64 6.0 -4.1 301 15 324.4 325.2 293.8 338.0 4.10 13 537 5315 -1.3 -8.3 59 7.0 -4.6 302 15 324.8 325.5 293.7 337.4 3.81 14 500 5880 -5.5 -8.4 80 2.9 -6.8 340 16 326.3 327.1 294.3 339.9 4.06 15 491 6022 -6.9 -8.4 89 1.5 -7.6 340 18 326.3 327.1 294.3 340.1 4.14 16 485 6118 -6.9 -12.9 62 6.0 -9.4 339 19 327.5 328.0 293.7 337.4 2.92 17 470 6363 -8.1 -16.1 53 8.0 -11.1 323 21 328.9 329.4 293.6 336.9 2.32 18 428 7086 -12.3 -16.6 70 4.3 -13.9 317 18 332.5 333.0 294.6 341.0 2.44 19 400 7600 -15.9 -18.8 78 2.9 -16.9 285 6 334.3 334.8 294.8 342.0 2.17 20 372 8144 -19.3 -21.0 86 1.7 -19.8 154 6 336.8 337.2 295.2 343.7 1.93 21 321 9225 -27.1 -29.4 81 2.3 -27.6 89 14 340.5 340.8 295.4 344.4 1.04 22 311 9453 -28.5 -33.5 62 5.0 -29.4 71 13 341.7 341.8 295.4 344.5 0.73 23 300 9710 -30.7 -35.4 63 4.7 -31.4 50 12 342.1 342.2 295.4 344.5 0.63 24 267 10522 -37.9 -40.7 75 2.8 -38.2 47 11 343.2 343.3 295.4 344.8 0.41 25 250 10970 -41.7 -46.3 61 4.6 -42.1 20 11 344.1 344.1 295.5 345.0 0.24 26 233 11443 -45.9 -55.9 31 10.0 -46.3 20 12 344.7 344.7 295.5 345.1 0.08 27 215 11973 -50.7 -56.7 49 6.0 -50.9 44 15 345.3 345.3 295.7 345.6 0.08 28 201 12408 -54.1 -59.0 55 4.9 -54.2 79 25 346.6 346.6 296.0 346.9 0.07 29 200 12440 -54.5 -59.5 54 5.0 -54.6 80 25 346.5 346.5 295.9 346.7 0.06 30 154 14061 -67.5 -79.5 17 12.0 -67.5 81 37 351.2 351.2 296.9 351.2 0.00 31 150 14220 -66.7 -78.7 17 12.0 -66.8 80 38 355.2 355.2 297.7 355.2 0.01 32 147 14342 -65.5 -83.5 6 18.0 -65.6 84 46 359.3 359.3 298.5 359.3 0.00 33 105 16315 -79.3 -85.3 37 6.0 -79.3 20 12 369.3 369.3 300.4 369.3 0.00 34 100 16590 -81.5 -90.5 20 9.0 -81.5 305 11 370.3 370.3 300.6 370.3 0.00 35 92 17055 -84.7 -91.7 28 7.0 -84.7 281 10 372.9 372.9 301.1 372.9 0.00 36 83 17627 -82.7 -91.7 20 9.0 -82.7 81 21 388.1 388.1 303.5 388.1 0.00 37 81 17765 -78.7 -88.7 18 10.0 -78.7 80 22 399.0 399.0 305.0 399.0 0.00 38 73 18360 -77.9 -89.9 13 12.0 -77.9 113 18 412.7 412.7 306.9 412.8 0.00 39 71 18519 -78.3 -90.3 13 12.0 -78.3 97 12 415.2 415.2 307.2 415.2 0.00 40 70 18600 -76.3 -89.3 11 13.0 -76.3 225 11 421.2 421.2 307.9 421.2 0.00 41 66 18942 -72.7 -87.7 9 15.0 -72.8 224 10 436.1 436.1 309.5 436.1 0.00 42 60 19494 -77.3 -89.3 13 12.0 -77.3 274 5 437.9 437.9 309.7 437.9 0.00 43 50 20550 -72.7 -89.7 6 17.0 -72.8 85 22 472.2 472.2 312.8 472.2 0.00 44 30 23640 -61.3 -89.3 1 28.0 -62.1 95 75 577.5 577.5 319.5 577.6 0.00 45 24 25042 -56.1 -87.1 1 31.0 -57.8 630.7 630.7 321.9 630.8 0.01 46 23 25312 -56.5 -85.5 1 29.0 -58.2 637.2 637.2 322.2 637.3 0.01 TRP WND Sounding variables and indices 1000-500 mb thick: 5791.00 m Freezing level: 569.33 mb = 4848.64 m = 15907.42 ft Wetbulb zero: 580.72 mb = 4687.56 m = 15378.94 ft Precipitable water: 2.20 inches Sfc-500 mean rel hum: 79.11 % Est. max temperature: 34.00 C = 93.19 F Sfc-Lift cond lev (LCL): 989.83 mb = 178.67 m = 586.19 ft T: 23.45 C 700-500 lapse rate: 5.77 C/km ThetaE index: 7.50 C Layer 985.0- 925.0 mb Conv cond level (CCL): 803.01 mb = 1997.77 m = 6554.28 ft Mean mixing ratio: 15.05 g/kg Conv temperature: 35.56 C = 96.01 F Cap Strength: 3.89 C Lifted Index: -1.13 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.19 C Lifted Index @700 mb: 0.69 C Showalter Index: -0.86 C Risk: Thunderstorms probable Total Totals Index: 46.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.50 C Cross Totals Index: 20.50 C K Index: 37.50 Risk: > 80 % chance of thunderstorms Sweat Index: 214.00 Risk: None Energy Index: -1.12 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 223.77 J/kg Max Up Vert Vel: 21.16 m/s Conv Inhibition (B-): 182.65 J/kg Cap Strength: 3.89 C Lift Cond Lev (LCL): 885.71 mb = 1153.03 m = 3782.85 ft Lev Free Conv (LFC): 650.71 mb = 3759.09 m = 12332.83 ft Equ Level (EL): 210.71 mb = 12102.91 m = 39707.22 ft B at Equ Level: 222.35 J/kg Max Parcel Lev (MPL): 150.71 mb = 14191.46 m = 46559.36 ft Wind level data Storm motion: 30 at 6 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 | 210 6 2.9 5.1 1 1000 89 0 0 -0.0 -0.0 | 210 6 2.9 5.1 2 976 305 65 11 -10.0 -4.6 | 94 7 -7.1 0.5 3 942 610 15 3 -0.8 -2.9 | 224 3 2.1 2.2 4 925 774 15 7 -1.8 -6.8 | 326 2 1.1 -1.6 5 910 914 15 7 -1.8 -6.8 | 326 2 1.1 -1.6 6 879 1219 355 10 0.9 -10.0 | 322 6 3.8 -4.8 7 850 1511 350 9 1.6 -8.9 | 310 6 4.5 -3.7 8 819 1829 30 10 -5.0 -8.7 | 31 4 -2.1 -3.5 9 790 2134 30 10 -5.0 -8.7 | 31 4 -2.1 -3.5 10 762 2438 75 6 -5.8 -1.6 | 141 5 -2.9 3.6 11 735 2743 80 3 -3.0 -0.5 | 179 5 -0.0 4.6 12 700 3159 55 5 -4.1 -2.9 | 152 3 -1.2 2.3 13 658 3658 70 7 -6.6 -2.4 | 127 5 -3.7 2.7 14 634 3962 0 0 -0.0 -0.0 | 210 6 2.9 5.1 15 610 4267 5 2 -0.2 -2.0 | 221 4 2.7 3.1 16 566 4877 320 7 4.5 -5.4 | 272 7 7.4 -0.2 17 545 5182 300 15 13.0 -7.5 | 278 16 15.9 -2.4 18 525 5486 305 16 13.1 -9.2 | 284 17 16.0 -4.0 19 500 5880 340 16 5.5 -15.0 | 320 13 8.4 -9.9 20 486 6096 340 19 6.5 -17.9 | 323 16 9.4 -12.7 21 467 6401 320 21 13.5 -16.1 | 304 20 16.4 -10.9 22 449 6706 320 28 18.0 -21.4 | 308 27 20.9 -16.3 23 415 7315 315 12 8.5 -8.5 | 286 12 11.4 -3.3 24 400 7600 285 6 5.8 -1.6 | 248 9 8.7 3.6 25 399 7620 280 6 5.9 -1.0 | 245 10 8.8 4.1 26 383 7925 215 1 0.6 0.8 | 210 7 3.5 6.0 27 367 8230 125 8 -6.6 4.6 | 159 10 -3.6 9.7 28 352 8534 120 10 -8.7 5.0 | 150 12 -5.7 10.1 29 338 8839 95 12 -12.0 1.0 | 124 11 -9.0 6.2 30 324 9144 95 14 -13.9 1.2 | 120 13 -11.0 6.4 31 300 9710 50 12 -9.2 -7.7 | 68 7 -6.3 -2.6 32 298 9754 55 11 -9.0 -6.3 | 79 6 -6.1 -1.2 33 261 10668 45 11 -7.8 -7.8 | 62 6 -4.9 -2.6 34 250 10970 20 11 -3.8 -10.3 | 9 5 -0.8 -5.2 35 239 11278 15 12 -3.1 -11.6 | 2 6 -0.2 -6.5 36 218 11887 35 12 -6.9 -9.8 | 40 6 -4.0 -4.7 37 208 12192 70 22 -20.7 -7.5 | 82 18 -17.8 -2.4 38 200 12440 80 25 -24.6 -4.3 | 92 22 -21.7 0.8 39 198 12497 70 20 -18.8 -6.8 | 84 16 -15.9 -1.7 40 189 12802 85 27 -26.9 -2.4 | 97 24 -24.0 2.8 41 150 14220 80 38 -37.4 -6.6 | 88 35 -34.5 -1.5 42 147 14326 85 46 -45.8 -4.0 | 92 43 -42.9 1.1 43 140 14630 70 35 -32.9 -12.0 | 77 31 -30.0 -6.8 44 133 14935 80 29 -28.6 -5.0 | 90 26 -25.6 0.1 45 126 15240 50 30 -23.0 -19.3 | 55 25 -20.1 -14.1 46 108 16154 60 12 -10.4 -6.0 | 83 8 -7.5 -0.9 47 100 16590 305 11 9.0 -6.3 | 276 12 11.9 -1.2 48 97 16764 305 11 9.0 -6.3 | 276 12 11.9 -1.2 49 92 17069 280 10 9.8 -1.7 | 255 13 12.8 3.4 50 87 17374 85 10 -10.0 -0.9 | 121 8 -7.0 4.3 51 82 17678 80 23 -22.7 -4.0 | 93 20 -19.7 1.1 52 78 17983 80 20 -19.7 -3.5 | 96 17 -16.8 1.7 53 74 18288 120 20 -17.3 10.0 | 136 21 -14.4 15.1 54 70 18593 90 10 -10.0 0.0 | 126 9 -7.1 5.1 55 70 18600 225 11 7.8 7.8 | 220 17 10.7 12.9 56 66 18898 220 10 6.4 7.7 | 216 16 9.3 12.8 57 63 19202 250 10 9.4 3.4 | 235 15 12.3 8.6 58 60 19507 275 5 5.0 -0.4 | 239 9 7.9 4.7 59 57 19812 25 10 -4.2 -9.1 | 19 4 -1.3 -3.9 60 54 20117 15 21 -5.4 -20.3 | 9 15 -2.5 -15.1 61 51 20422 5 14 -1.2 -13.9 | 349 9 1.7 -8.8 62 50 20550 85 22 -21.9 -1.9 | 100 19 -19.0 3.2 63 49 20726 80 20 -19.7 -3.5 | 96 17 -16.8 1.7 64 44 21336 95 33 -32.9 2.9 | 105 31 -30.0 8.0 65 38 22250 85 49 -48.8 -4.3 | 91 46 -45.9 0.9 66 32 23165 100 69 -68.0 12.0 | 105 67 -65.0 17.1 67 30 23640 95 75 -74.7 6.5 | 99 73 -71.8 11.7 68 27 24079 95 77 -76.7 6.7 | 99 75 -73.8 11.9 69 25 24384 100 73 -71.9 12.7 | 104 71 -69.0 17.8 Wind Parameters Mean winds (0-6000m): 359.5 at 7.9 knts Storm direction: 29.5 at 5.9 knts Shear (0-3000m) pos: 1.3 neg: 1.3 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): -50.8 deg Storm rel helicity (0-3000m) pos: 19.4 neg: -5.4 tot: 14.0 m^2/s^2 ave: 4.7 10^-3 m/s^2 rel: 0.27 Storm rel vorticity (0-3000m) horiz: 8.5 stream: 2.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 33.39 Bulk Shear: 6.70 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 58 6 125 3| 3.8 0.0 3.8| 0.6 -1.8 -1.3 -2.5 -0.15| 22.9 -3.5 1000 36 6 84 1| 1.9 2.7 4.6| 2.0 -1.9 0.1 0.1 -0.00| 14.4 -0.0 1500 17 7 340 2| 1.3 2.0 3.3| 3.7 -4.2 -0.5 -0.4 -0.01| 11.1 -0.1 2000 19 8 354 2| 1.8 1.5 3.3| 9.3 -4.2 5.1 2.6 0.12| 9.7 1.2 2500 25 8 12 2| 1.5 1.2 2.8| 17.8 -4.2 13.5 5.4 0.29| 9.6 2.7 3000 29 7 28 1| 1.3 1.3 2.5| 19.4 -5.4 14.0 4.7 0.27| 8.5 2.3 4000 36 6 82 1| 1.2 1.2 2.4| 22.7 -7.2 15.4 3.9 0.27| 7.9 2.1 5000 25 6 327 1| 0.9 2.2 3.2| 30.9 -7.2 23.7 4.7 0.30| 7.7 2.3 6000 360 8 313 4| 1.1 1.9 3.0| 76.6 -8.5 68.0 11.3 0.36| 7.9 2.9 Wrote GIF file: /home/apache/climate/data/raob//SKLT/skewt/SKLT.skewt.20251220.12.gif