UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121712.upa.cvt Date: 1200Z 17 DEC 25 Searching for SKLT... Searching the city database file for: SKLT ... Date:1200Z 17 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 25.2 25.0 99 0.2 25.1 0 0 298.3 302.0 298.2 357.5 20.31 1 1000 91 25.0 25.0 100 0.0 25.0 135 1 298.1 301.8 298.2 357.4 20.33 2 925 776 22.2 21.0 93 1.2 21.3 60 6 302.0 305.2 297.2 352.7 17.17 3 850 1510 18.8 15.6 82 3.2 16.6 65 10 305.8 308.3 295.6 345.5 13.23 4 843 1581 18.6 14.8 79 3.8 16.0 66 10 306.4 308.7 295.4 344.4 12.66 5 700 3154 9.0 8.8 99 0.2 8.9 105 4 312.5 314.4 295.3 344.0 10.22 6 640 3893 4.8 4.8 100 0.0 4.8 130 9 315.8 317.4 294.9 342.4 8.46 7 516 5630 -3.1 -7.0 74 3.9 -5.0 121 4 326.3 327.2 294.6 340.9 4.39 8 509 5739 -3.9 -5.1 91 1.2 -4.5 127 3 326.6 327.6 295.2 343.7 5.15 9 503 5833 -3.9 -9.9 63 6.0 -6.6 132 3 327.7 328.4 294.3 339.8 3.59 10 500 5880 -4.3 -8.7 71 4.4 -6.3 135 3 327.8 328.6 294.6 341.1 3.97 11 494 5975 -4.7 -8.5 75 3.8 -6.5 195 2 328.4 329.3 294.8 342.2 4.08 12 491 6023 -4.7 -11.7 58 7.0 -7.7 226 2 329.0 329.7 294.3 339.8 3.18 13 487 6087 -4.9 -11.9 58 7.0 -7.9 267 1 329.5 330.2 294.4 340.3 3.16 14 462 6497 -7.9 -12.0 72 4.1 -9.6 268 3 330.8 331.5 294.8 342.1 3.30 15 400 7600 -14.7 -22.7 51 8.0 -17.1 250 8 335.9 336.2 294.7 341.4 1.54 16 374 8107 -18.1 -27.1 45 9.0 -20.4 245 9 337.9 338.1 294.8 342.0 1.11 17 356 8474 -21.1 -27.1 58 6.0 -22.6 309 4 338.7 338.9 295.0 343.0 1.17 18 350 8600 -21.1 -33.1 33 12.0 -23.6 340 3 340.3 340.5 295.0 342.9 0.67 19 349 8621 -21.1 -33.1 33 12.0 -23.6 344 3 340.6 340.7 295.1 343.2 0.67 20 338 8857 -23.3 -33.3 39 10.0 -25.3 30 6 340.7 340.9 295.1 343.3 0.68 21 335 8922 -23.7 -26.9 75 3.2 -24.5 43 7 341.1 341.3 295.7 345.7 1.26 22 318 9301 -26.7 -29.3 79 2.6 -27.3 85 11 342.0 342.2 295.7 346.0 1.06 23 300 9720 -30.1 -34.4 66 4.3 -30.8 70 14 343.0 343.1 295.7 345.6 0.69 24 278 10257 -33.5 -44.5 32 11.0 -34.7 72 19 345.6 345.7 295.9 346.7 0.26 25 258 10774 -37.9 -47.9 34 10.0 -38.7 87 19 346.6 346.6 296.1 347.4 0.19 26 250 10990 -39.5 -50.5 30 11.0 -40.3 90 17 347.3 347.4 296.2 348.0 0.15 27 233 11470 -43.3 -56.3 23 13.0 -44.0 84 16 348.6 348.7 296.4 349.0 0.08 28 211 12130 -49.5 -59.5 30 10.0 -49.8 62 13 349.0 349.0 296.5 349.3 0.06 29 204 12351 -51.1 -54.3 69 3.2 -51.2 79 11 349.9 349.9 296.7 350.4 0.12 30 200 12480 -52.3 -56.4 61 4.1 -52.4 95 9 349.9 350.0 296.7 350.3 0.09 31 176 13293 -59.5 -67.5 35 8.0 -59.6 94 11 351.1 351.2 296.9 351.3 0.02 32 163 13767 -64.1 -68.9 52 4.8 -64.1 89 19 351.2 351.2 296.9 351.3 0.02 33 154 14112 -67.5 -72.5 49 5.0 -67.5 86 24 351.2 351.2 296.9 351.2 0.01 34 150 14270 -68.9 -73.9 48 5.0 -68.9 85 27 351.4 351.4 297.0 351.4 0.01 35 105 16321 -86.1 -90.1 48 4.0 -86.1 62 19 356.4 356.4 298.0 356.4 0.00 36 100 16590 -84.7 -89.6 41 4.9 -84.7 65 17 364.1 364.1 299.5 364.1 0.00 37 85 17485 -85.3 -91.3 33 6.0 -85.3 92 27 380.2 380.2 302.3 380.2 0.00 38 79 17883 -89.1 -93.8 40 4.7 -89.1 95 29 380.4 380.4 302.3 380.4 0.00 39 75 18165 -86.3 -94.3 22 8.0 -86.3 81 38 391.9 391.9 304.0 391.9 0.00 40 74 18240 -77.5 -89.5 13 12.0 -77.6 77 41 412.0 412.0 306.7 412.0 0.00 41 70 18560 -75.3 -88.3 11 13.0 -75.3 330 9 423.3 423.3 308.1 423.3 0.00 42 66 18903 -74.5 -88.5 10 14.0 -74.6 331 10 432.2 432.2 309.1 432.2 0.00 43 64 19084 -70.7 -87.7 6 17.0 -70.8 340 7 444.4 444.4 310.3 444.4 0.00 44 57 19776 -69.5 -88.5 5 19.0 -69.6 103 20 462.1 462.1 312.0 462.1 0.00 45 54 20098 -70.9 -88.9 5 18.0 -71.0 103 20 466.0 466.0 312.3 466.1 0.00 46 50 20560 -66.9 -88.9 3 22.0 -67.1 100 34 485.8 485.8 313.9 485.8 0.00 47 39 22067 -63.7 -89.7 2 26.0 -64.1 90 44 529.7 529.7 316.9 529.7 0.00 48 36 22556 -64.5 -90.5 2 26.0 -65.0 90 41 539.9 539.9 317.5 539.9 0.00 49 33 23091 -60.7 -88.7 1 28.0 -61.5 86 52 563.6 563.6 318.8 563.6 0.00 50 30 23680 -62.7 -88.7 2 26.0 -63.4 95 46 573.7 573.7 319.3 573.7 0.00 51 27 24332 -61.3 -89.3 1 28.0 -62.1 95 52 595.2 595.2 320.4 595.2 0.00 TRP 79 17883 -89.1 -93.8 40 4.7 -89.1 95 29 380.4 380.4 302.3 380.4 0.00 WND Sounding variables and indices 1000-500 mb thick: 5789.00 m Freezing level: 564.66 mb = 4948.71 m = 16235.71 ft Wetbulb zero: 578.86 mb = 4703.09 m = 15429.91 ft Precipitable water: 2.41 inches Sfc-500 mean rel hum: 89.70 % Est. max temperature: 32.72 C = 90.90 F Sfc-Lift cond lev (LCL): 998.71 mb = 102.37 m = 335.86 ft T: 24.95 C 700-500 lapse rate: 4.88 C/km ThetaE index: 16.56 C Layer 1000.0- 509.0 mb Conv cond level (CCL): 915.62 mb = 864.43 m = 2836.02 ft Mean mixing ratio: 18.20 g/kg Conv temperature: 29.41 C = 84.94 F Cap Strength: 0.52 C Lifted Index: -2.83 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.99 C Lifted Index @700 mb: -2.74 C Showalter Index: 0.31 C Risk: Thunderstorms probable Total Totals Index: 43.00 C Risk: None Vertical Totals Index: 23.10 C Cross Totals Index: 19.90 C K Index: 38.50 Risk: > 80 % chance of thunderstorms Sweat Index: 210.20 Risk: None Energy Index: -0.90 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1419.47 J/kg Max Up Vert Vel: 53.28 m/s Conv Inhibition (B-): 9.54 J/kg Cap Strength: 0.52 C Lift Cond Lev (LCL): 939.81 mb = 636.40 m = 2087.89 ft Lev Free Conv (LFC): 834.81 mb = 1663.76 m = 5458.45 ft Equ Level (EL): 124.81 mb = 15326.89 m = 50284.48 ft B at Equ Level: 1419.36 J/kg Max Parcel Lev (MPL): 74.81 mb = 18178.74 m = 59640.81 ft Wind level data Storm motion: 123 at 5 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 | 303 5 3.9 -2.5 1 1000 91 135 1 -0.7 0.7 | 299 4 3.2 -1.8 2 976 305 175 2 -0.2 2.0 | 278 4 3.7 -0.5 3 943 610 70 5 -4.7 -1.7 | 11 4 -0.8 -4.2 4 925 776 60 6 -5.2 -3.0 | 14 6 -1.3 -5.5 5 910 914 60 8 -6.9 -4.0 | 25 7 -3.1 -6.5 6 879 1219 70 9 -8.5 -3.1 | 39 7 -4.6 -5.6 7 850 1510 65 10 -9.1 -4.2 | 38 8 -5.2 -6.7 8 819 1829 70 12 -11.3 -4.1 | 48 10 -7.4 -6.6 9 790 2134 80 5 -4.9 -0.9 | 17 4 -1.1 -3.4 10 762 2438 85 6 -6.0 -0.5 | 35 4 -2.1 -3.0 11 735 2743 80 5 -4.9 -0.9 | 17 4 -1.1 -3.4 12 700 3154 105 4 -3.9 1.0 | 360 1 0.0 -1.5 13 658 3658 130 7 -5.4 4.5 | 143 3 -1.5 2.0 14 634 3962 130 10 -7.7 6.4 | 136 5 -3.8 3.9 15 610 4267 115 9 -8.2 3.8 | 107 4 -4.3 1.3 16 566 4877 80 5 -4.9 -0.9 | 17 4 -1.1 -3.4 17 500 5880 135 3 -2.1 2.1 | 282 2 1.7 -0.4 18 486 6096 275 1 1.0 -0.1 | 298 6 4.9 -2.6 19 400 7600 250 8 7.5 2.7 | 269 11 11.4 0.2 20 399 7620 250 8 7.5 2.7 | 269 11 11.4 0.2 21 383 7925 245 10 9.1 4.2 | 262 13 12.9 1.7 22 367 8230 245 9 8.2 3.8 | 264 12 12.0 1.3 23 352 8534 330 2 1.0 -1.7 | 311 6 4.9 -4.2 24 324 9144 90 10 -10.0 0.0 | 68 7 -6.1 -2.5 25 300 9720 70 14 -13.2 -4.8 | 52 12 -9.3 -7.3 26 299 9754 60 12 -10.4 -6.0 | 38 11 -6.5 -8.5 27 274 10363 75 21 -20.3 -5.4 | 64 18 -16.4 -7.9 28 262 10668 85 20 -19.9 -1.7 | 75 17 -16.1 -4.2 29 250 10990 90 17 -17.0 0.0 | 79 13 -13.1 -2.5 30 239 11278 90 17 -17.0 0.0 | 79 13 -13.1 -2.5 31 209 12192 60 13 -11.3 -6.5 | 39 12 -7.4 -9.0 32 200 12480 95 9 -9.0 0.8 | 72 5 -5.1 -1.7 33 199 12497 85 10 -10.0 -0.9 | 61 7 -6.1 -3.4 34 181 13106 95 8 -8.0 0.7 | 66 4 -4.1 -1.8 35 150 14270 85 27 -26.9 -2.4 | 78 24 -23.0 -4.8 36 134 14935 85 33 -32.9 -2.9 | 80 29 -29.0 -5.4 37 127 15240 80 45 -44.3 -7.8 | 76 42 -40.4 -10.3 38 102 16459 60 15 -13.0 -7.5 | 42 14 -9.1 -10.0 39 100 16590 65 17 -15.4 -7.2 | 50 15 -11.5 -9.7 40 97 16764 65 17 -15.4 -7.2 | 50 15 -11.5 -9.7 41 92 17069 85 26 -25.9 -2.3 | 78 23 -22.0 -4.8 42 82 17678 95 28 -27.9 2.4 | 90 24 -24.0 -0.0 43 79 17883 95 29 -28.9 2.5 | 90 25 -25.0 0.0 44 73 18288 75 42 -40.6 -10.9 | 70 39 -36.7 -13.4 45 70 18560 330 9 4.5 -7.8 | 321 13 8.4 -10.3 46 70 18593 30 19 -9.5 -16.5 | 17 20 -5.6 -18.9 47 66 18898 330 10 5.0 -8.7 | 321 14 8.9 -11.1 48 60 19507 0 0 -0.0 -0.0 | 303 5 3.9 -2.5 49 57 19812 115 22 -19.9 9.3 | 113 17 -16.1 6.8 50 51 20422 90 18 -18.0 0.0 | 80 14 -14.1 -2.5 51 50 20560 100 34 -33.5 5.9 | 97 30 -29.6 3.4 52 46 21031 105 35 -33.8 9.1 | 102 31 -29.9 6.6 53 44 21336 90 48 -48.0 0.0 | 87 44 -44.1 -2.5 54 36 22555 90 41 -41.0 0.0 | 86 37 -37.1 -2.5 55 33 23165 85 53 -52.8 -4.6 | 82 49 -48.9 -7.1 56 31 23470 85 39 -38.9 -3.4 | 80 35 -35.0 -5.9 57 30 23680 95 46 -45.8 4.0 | 92 42 -42.0 1.5 58 29 23774 95 45 -44.8 3.9 | 92 41 -41.0 1.4 59 25 24384 95 57 -56.8 5.0 | 93 53 -52.9 2.5 Wind Parameters Mean winds (0-6000m): 92.7 at 6.1 knts Storm direction: 122.7 at 4.6 knts Shear (0-3000m) pos: 0.6 neg: 0.7 tot: 1.3 10-3/s Storm rel Dir Shear (0-3000m): 64.8 deg Storm rel helicity (0-3000m) pos: 11.0 neg: -6.6 tot: 4.4 m^2/s^2 ave: 1.5 10^-3 m/s^2 rel: 0.11 Storm rel vorticity (0-3000m) horiz: 4.7 stream: 0.5 10^-3/s Energy-Hel index: 0.09 Bulk Rich Number: 653.27 Bulk Shear: 2.17 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 ------------------------------------------------------------------------------- 500 120 3 306 2| 4.9 0.0 4.9| 1.2 -1.8 -0.6 -1.1 0.18| 8.8 1.6 1000 72 5 9 4| 2.4 2.1 4.5| 5.2 -1.8 3.5 3.5 0.28| 7.0 2.0 1500 70 6 23 5| 2.3 1.4 3.7| 7.6 -2.1 5.4 3.6 0.30| 5.5 1.6 2000 70 7 31 6| 0.8 1.1 1.9| 10.3 -4.9 5.4 2.7 0.18| 6.0 1.1 2500 72 7 30 5| 0.6 0.8 1.5| 11.0 -5.9 5.1 2.0 0.15| 5.2 0.8 3000 74 7 29 5| 0.6 0.7 1.3| 11.0 -6.6 4.4 1.5 0.11| 4.7 0.5 4000 87 7 44 4| 0.9 0.8 1.6| 11.9 -8.4 3.5 0.9 0.12| 4.6 0.6 5000 91 7 50 4| 0.7 0.7 1.4| 12.0 -15.7 -3.8 -0.8 -0.06| 4.5 -0.3 6000 93 6 46 3| 0.6 0.6 1.2| 14.2 -16.6 -2.4 -0.4 -0.07| 4.5 -0.3 Wrote GIF file: /home/apache/climate/data/raob//SKLT/skewt/SKLT.skewt.20251217.12.gif