UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101723.upa.cvt Date: 2300Z 17 OCT 25 Searching for FSSS... Searching the city database file for: FSSS ... Date:2300Z 17 OCT 25 Station: FSSS WMO ident: 63985 Latitude: -4.68 Longitude: 55.53 Elevation: 4.00 ------------------------------------------------------------------------------- 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 1011 4 24.4 21.7 85 2.7 22.5 190 6 296.6 299.6 295.3 343.9 16.38 1 1007 41 25.6 21.9 80 3.7 22.9 195 7 298.2 301.2 295.8 346.5 16.65 2 1000 106 25.2 21.5 80 3.7 22.6 205 8 298.4 301.3 295.7 345.9 16.35 3 925 786 20.2 18.2 88 2.0 18.8 280 3 300.0 302.6 294.8 342.0 14.36 4 853 1485 16.2 15.9 98 0.3 16.0 285 5 302.8 305.3 295.0 342.6 13.44 5 850 1515 16.2 15.4 95 0.8 15.7 285 5 303.1 305.5 294.7 341.8 13.06 6 815 1872 14.8 12.7 87 2.1 13.4 280 7 305.3 307.4 294.2 339.4 11.40 7 809 1934 15.8 6.8 55 9.0 10.4 279 8 307.0 308.4 291.8 330.3 7.68 8 776 2288 15.2 -1.8 31 17.0 6.3 273 10 310.0 310.9 289.8 323.6 4.32 9 775 2299 15.2 -0.8 33 16.0 6.7 273 10 310.2 311.0 290.2 324.7 4.66 10 763 2431 13.8 2.8 47 11.0 7.6 271 11 310.0 311.2 291.5 329.0 6.14 11 749 2587 13.2 -2.8 33 16.0 5.1 269 12 311.0 311.8 290.0 324.1 4.15 12 730 2802 11.2 5.2 67 6.0 7.6 265 13 311.1 312.6 293.0 334.7 7.62 13 715 2975 10.6 -0.4 46 11.0 4.7 263 14 312.3 313.3 291.3 328.6 5.20 14 707 3069 9.8 2.8 62 7.0 5.8 261 14 312.4 313.7 292.6 333.1 6.64 15 702 3128 10.4 -12.6 18 23.0 0.8 260 15 313.7 314.1 288.9 320.5 2.07 16 700 3152 10.4 -10.6 22 21.0 1.3 260 15 314.0 314.5 289.3 321.9 2.43 17 697 3188 10.4 -9.6 23 20.0 1.5 258 15 314.4 314.9 289.7 323.0 2.65 18 692 3248 9.6 1.6 57 8.0 5.1 255 15 314.1 315.3 292.7 333.7 6.22 19 684 3344 8.8 2.8 66 6.0 5.4 249 14 314.3 315.6 293.3 335.8 6.86 20 640 3893 5.4 -5.6 45 11.0 0.1 217 12 316.5 317.2 291.5 329.2 3.94 21 621 4139 3.4 -2.6 65 6.0 0.3 203 11 316.9 317.9 292.6 333.2 5.09 22 598 4445 2.4 -10.6 38 13.0 -3.2 185 10 319.2 319.8 291.3 328.6 2.85 23 590 4554 1.8 -9.2 44 11.0 -3.1 179 9 319.7 320.4 291.8 330.4 3.23 24 585 4623 1.2 -2.6 76 3.8 -0.8 175 9 319.8 320.9 293.6 337.3 5.41 25 565 4903 -0.9 -3.3 84 2.4 -2.1 158 8 320.5 321.6 293.7 337.7 5.31 26 540 5263 -3.5 -5.5 86 2.0 -4.5 137 7 321.6 322.5 293.6 337.0 4.71 27 527 5456 -4.5 -6.1 89 1.6 -5.3 125 6 322.7 323.6 293.7 337.8 4.61 28 500 5870 -6.3 -14.3 53 8.0 -9.4 100 4 325.4 325.9 292.8 333.9 2.53 29 489 6044 -6.7 -15.7 49 9.0 -10.1 103 5 326.9 327.4 293.0 334.8 2.30 30 482 6156 -7.3 -14.3 57 7.0 -10.1 105 6 327.6 328.1 293.4 336.5 2.62 31 439 6874 -13.7 -14.7 92 1.0 -14.1 117 11 328.3 328.9 293.8 337.9 2.79 32 434 6961 -12.5 -17.5 66 5.0 -14.3 119 12 330.9 331.4 294.0 338.7 2.23 33 425 7121 -12.9 -20.9 51 8.0 -15.4 122 13 332.4 332.8 293.9 338.4 1.70 34 411 7375 -14.7 -18.5 73 3.8 -16.0 126 15 333.3 333.7 294.6 340.9 2.16 35 403 7524 -14.7 -23.7 46 9.0 -17.3 129 16 335.2 335.5 294.4 340.2 1.40 36 400 7580 -15.1 -23.1 50 8.0 -17.5 130 16 335.4 335.7 294.5 340.7 1.49 37 369 8183 -19.7 -26.7 54 7.0 -21.5 120 14 337.1 337.3 294.7 341.4 1.17 38 338 8826 -24.5 -32.5 47 8.0 -26.1 110 11 339.1 339.2 294.8 341.9 0.74 39 336 8869 -24.9 -38.9 26 14.0 -27.1 109 11 339.1 339.2 294.5 340.6 0.39 40 319 9243 -28.1 -34.1 56 6.0 -29.2 102 10 339.8 339.9 294.8 342.3 0.67 41 300 9680 -31.5 -36.3 63 4.8 -32.2 95 8 341.0 341.1 295.1 343.2 0.57 42 299 9704 -31.7 -36.3 64 4.6 -32.4 95 8 341.0 341.1 295.1 343.2 0.57 43 250 10950 -42.1 -48.1 52 6.0 -42.5 80 27 343.5 343.5 295.3 344.3 0.20 44 245 11086 -43.5 -49.5 51 6.0 -43.9 79 29 343.4 343.4 295.3 344.1 0.17 45 207 12198 -51.9 -64.9 20 13.0 -52.2 67 46 347.1 347.2 296.0 347.3 0.03 46 200 12420 -53.7 -65.7 22 12.0 -53.9 65 49 347.7 347.7 296.1 347.8 0.03 47 174 13297 -61.3 -67.3 45 6.0 -61.4 73 58 349.3 349.3 296.5 349.4 0.03 48 153 14081 -67.7 -81.7 12 14.0 -67.8 80 66 351.5 351.5 297.0 351.5 0.00 49 152 14120 -67.6 -82.6 10 15.0 -67.7 80 66 352.4 352.4 297.1 352.4 0.00 50 150 14200 -67.3 -84.3 7 17.0 -67.4 75 66 354.2 354.2 297.5 354.2 0.00 51 132 14965 -69.9 -84.9 9 15.0 -69.9 73 48 362.7 362.7 299.2 362.7 0.00 52 109 16078 -78.9 -86.9 26 8.0 -78.9 70 22 366.1 366.1 299.9 366.2 0.00 53 100 16570 -76.9 -85.9 22 9.0 -76.9 100 18 379.1 379.1 302.1 379.2 0.00 54 70 18640 -72.5 -87.5 9 15.0 -72.6 285 18 429.3 429.3 308.7 429.3 0.00 55 63 19260 -71.3 -88.3 6 17.0 -71.4 338 22 445.1 445.1 310.4 445.1 0.00 56 56 19949 -75.1 -89.1 10 14.0 -75.2 38 26 451.6 451.6 311.0 451.7 0.00 57 50 20610 -72.1 -91.1 4 19.0 -72.2 95 30 473.6 473.6 313.0 473.6 0.00 58 46 21106 -67.5 -89.5 3 22.0 -67.7 96 36 496.1 496.1 314.7 496.1 0.00 59 43 21511 -68.5 -89.5 3 21.0 -68.7 96 40 503.3 503.3 315.2 503.3 0.00 60 31 23515 -59.5 -87.5 1 28.0 -60.4 100 63 577.0 577.0 319.5 577.0 0.01 61 30 23720 -60.1 -87.1 2 27.0 -61.0 100 65 580.8 580.8 319.7 580.8 0.01 62 27 24379 -58.5 -86.5 2 28.0 -59.7 96 65 603.1 603.1 320.7 603.1 0.01 63 26 24615 -59.5 -86.5 2 27.0 -60.6 95 65 606.8 606.8 320.9 606.8 0.01 64 24 25116 -58.9 -86.9 2 28.0 -60.2 92 64 622.6 622.6 321.6 622.6 0.01 65 23 25385 -55.7 -85.7 1 30.0 -57.5 90 64 639.6 639.6 322.3 639.7 0.01 66 20 26280 -52.7 -83.7 1 31.0 -55.4 85 64 674.9 674.9 323.6 675.0 0.02 67 19 26612 -51.9 -83.9 1 32.0 -54.9 687.3 687.3 324.0 687.5 0.02 68 15 28177 -42.3 -79.3 1 37.0 -49.6 767.3 767.3 326.4 767.8 0.05 69 14 28644 -41.9 -78.9 1 37.0 -49.7 784.0 784.0 326.8 784.5 0.06 70 13 29146 -41.7 -78.7 1 37.0 -49.9 801.4 801.5 327.3 802.0 0.06 TRP 109 16078 -78.9 -86.9 26 8.0 -78.9 70 22 366.1 366.1 299.9 366.2 0.00 WND 152 14120 -67.6 -82.6 10 15.0 -67.7 80 66 352.4 352.4 297.1 352.4 0.00 Sounding variables and indices 1000-500 mb thick: 5764.00 m Freezing level: 573.57 mb = 4782.78 m = 15691.35 ft Wetbulb zero: 618.95 mb = 4165.58 m = 13666.44 ft Precipitable water: 1.88 inches Sfc-500 mean rel hum: 68.45 % Est. max temperature: 30.28 C = 86.51 F Sfc-Lift cond lev (LCL): 972.31 mb = 350.96 m = 1151.42 ft T: 23.40 C 700-500 lapse rate: 6.14 C/km ThetaE index: 19.04 C Layer 850.0- 775.0 mb Conv cond level (CCL): 898.42 mb = 1037.43 m = 3403.59 ft Mean mixing ratio: 15.32 g/kg Conv temperature: 28.79 C = 83.81 F Cap Strength: 2.41 C Lifted Index: -1.10 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.30 C Lifted Index @700 mb: 1.53 C Showalter Index: -0.26 C Risk: Thunderstorms probable Total Totals Index: 44.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.50 C Cross Totals Index: 21.70 C K Index: 16.90 Risk: < 20 % chance of thunderstorms Sweat Index: 198.80 Risk: None Energy Index: -1.56 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 122.61 J/kg Max Up Vert Vel: 15.66 m/s Conv Inhibition (B-): 8.67 J/kg Cap Strength: 2.23 C Lift Cond Lev (LCL): 922.48 mb = 809.57 m = 2656.03 ft Lev Free Conv (LFC): 857.48 mb = 1439.71 m = 4723.39 ft Equ Level (EL): 837.48 mb = 1640.97 m = 5383.69 ft B at Equ Level: 5.32 J/kg Max Parcel Lev (MPL): 807.48 mb = 1950.48 m = 6399.13 ft Wind level data Storm motion: 287 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 1011 4 190 6 1.0 5.9 | 147 9 -5.0 7.8 1 1000 106 205 8 3.4 7.3 | 164 10 -2.6 9.1 2 925 786 280 3 3.0 -0.5 | 114 3 -3.1 1.4 3 850 1515 285 5 4.8 -1.3 | 116 1 -1.2 0.6 4 700 3152 260 15 14.8 2.6 | 243 10 8.8 4.5 5 500 5870 100 4 -3.9 0.7 | 105 10 -10.0 2.6 6 400 7580 130 16 -12.3 10.3 | 124 22 -18.3 12.2 7 300 9680 95 8 -8.0 0.7 | 100 14 -14.0 2.6 8 250 10950 80 27 -26.6 -4.7 | 85 33 -32.6 -2.8 9 200 12420 65 49 -44.4 -20.7 | 70 54 -50.4 -18.8 10 152 14120 80 66 -65.0 -11.5 | 82 72 -71.0 -9.6 11 150 14200 75 66 -63.8 -17.1 | 78 71 -69.8 -15.2 12 109 16078 70 22 -20.7 -7.5 | 78 27 -26.7 -5.6 13 100 16570 100 18 -17.7 3.1 | 102 24 -23.7 5.0 14 70 18640 285 18 17.4 -4.7 | 284 12 11.4 -2.8 15 50 20610 95 30 -29.9 2.6 | 97 36 -35.9 4.5 16 30 23720 100 65 -64.0 11.3 | 101 71 -70.0 13.2 17 20 26280 85 64 -63.8 -5.6 | 87 70 -69.8 -3.7 Wind Parameters Mean winds (0-6000m): 257.4 at 8.4 knts Storm direction: 287.4 at 6.3 knts Shear (0-3000m) pos: 1.4 neg: 1.7 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 97.1 deg Storm rel helicity (0-3000m) pos: 8.8 neg: -4.3 tot: 4.5 m^2/s^2 ave: 1.5 10^-3 m/s^2 rel: 0.07 Storm rel vorticity (0-3000m) horiz: 4.0 stream: 0.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 30.94 Bulk Shear: 3.96 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 ------------------------------------------------------------------------------- 500 217 7 164 7| 5.7 0.0 5.7| 8.2 -0.8 7.3 14.7 0.32| 8.7 2.8 1000 228 5 158 6| 3.6 0.0 3.6| 8.2 -3.1 5.1 5.1 0.01| 6.2 0.1 1500 246 5 158 4| 2.8 0.0 2.8| 8.2 -3.1 5.1 3.4 0.01| 4.6 0.1 2000 258 5 163 3| 2.1 0.8 2.9| 8.7 -3.1 5.6 2.8 0.13| 4.3 0.6 2500 263 6 181 3| 1.7 1.3 3.0| 8.8 -3.2 5.6 2.3 0.12| 4.1 0.5 3000 262 7 201 3| 1.4 1.7 3.1| 8.8 -4.3 4.5 1.5 0.07| 4.0 0.3 4000 254 9 209 5| 1.0 1.5 2.5| 8.8 -38.6 -29.8 -7.4 -0.29| 4.7 -1.3 5000 250 9 205 6| 0.8 1.2 2.0| 8.8 -73.8 -64.9 -13.0 -0.45| 4.8 -2.2 6000 257 8 210 4| 0.7 0.8 1.5| 9.1 -91.2 -82.1 -13.7 -0.49| 4.6 -2.3 Wrote GIF file: /home/apache/climate/data/raob//FSSS/skewt/FSSS.skewt.20251017.23.gif