UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025071823.upa.cvt Date: 2300Z 18 JUL 25 Searching for FSSS... Searching the city database file for: FSSS ... Date:2300Z 18 JUL 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 1012 4 25.2 20.9 77 4.3 22.2 170 14 297.3 300.2 294.9 342.4 15.56 1 1000 107 24.6 20.9 80 3.7 22.0 180 17 297.8 300.6 295.1 343.4 15.75 2 925 786 18.8 18.5 98 0.3 18.6 170 22 298.5 301.2 294.6 341.1 14.64 3 922 814 18.6 18.2 98 0.4 18.4 170 22 298.6 301.2 294.4 340.5 14.41 4 850 1510 14.8 14.3 97 0.5 14.5 170 22 301.6 303.9 293.7 337.5 12.15 5 849 1520 14.8 14.2 96 0.6 14.4 171 22 301.8 304.0 293.7 337.4 12.08 6 758 2474 10.4 7.1 80 3.3 8.4 229 35 306.9 308.5 292.3 332.3 8.38 7 721 2893 12.2 -6.8 26 19.0 3.2 255 41 313.3 313.9 289.8 323.6 3.18 8 700 3140 10.6 -8.4 25 19.0 1.9 270 44 314.2 314.8 289.9 323.6 2.90 9 582 4648 1.2 -28.8 9 30.0 -7.2 221 25 320.3 320.4 289.5 322.5 0.61 10 570 4816 2.2 -36.8 4 39.0 -7.4 215 23 323.4 323.4 290.1 324.4 0.29 11 500 5860 -4.3 -45.3 2 41.0 -12.1 180 9 327.8 327.8 291.2 328.3 0.13 12 464 6447 -7.1 -52.1 1 45.0 -14.2 175 11 331.4 331.4 292.2 331.7 0.07 13 414 7328 -12.7 -43.7 6 31.0 -18.1 167 13 335.2 335.2 293.3 335.9 0.19 14 410 7402 -12.7 -29.7 23 17.0 -17.0 167 13 336.1 336.3 294.1 339.1 0.79 15 400 7590 -14.5 -27.5 32 13.0 -17.9 165 14 336.1 336.3 294.3 339.8 1.00 16 339 8816 -26.3 -29.6 74 3.3 -27.0 142 15 336.4 336.6 294.3 339.9 0.97 17 335 8902 -26.9 -29.9 76 3.0 -27.5 140 15 336.7 336.9 294.4 340.2 0.95 18 324 9142 -28.9 -32.1 74 3.2 -29.5 136 15 337.1 337.3 294.3 340.1 0.80 19 315 9343 -29.5 -40.5 34 11.0 -31.0 132 16 339.0 339.1 294.4 340.4 0.35 20 300 9690 -31.9 -41.9 37 10.0 -33.1 125 16 340.4 340.5 294.7 341.7 0.32 21 294 9832 -32.9 -43.9 32 11.0 -34.1 124 15 341.0 341.0 294.8 342.0 0.26 22 272 10374 -37.1 -51.1 22 14.0 -38.1 122 13 342.5 342.6 295.1 343.1 0.13 23 264 10579 -38.5 -45.5 48 7.0 -39.1 121 12 343.4 343.5 295.4 344.4 0.25 24 250 10950 -42.1 -46.8 60 4.7 -42.5 120 11 343.5 343.5 295.4 344.4 0.23 25 242 11169 -43.7 -45.9 79 2.2 -43.9 109 13 344.3 344.3 295.6 345.3 0.26 26 237 11309 -44.9 -50.9 51 6.0 -45.2 102 14 344.5 344.6 295.6 345.2 0.15 27 220 11802 -49.1 -51.6 75 2.5 -49.2 77 18 345.5 345.5 295.8 346.1 0.15 28 200 12420 -54.1 -57.8 64 3.7 -54.2 45 24 347.1 347.1 296.1 347.4 0.08 29 185 12915 -58.5 -64.5 46 6.0 -58.6 50 32 347.8 347.8 296.2 347.9 0.04 30 173 13333 -62.3 -65.8 63 3.5 -62.3 55 38 348.3 348.3 296.3 348.4 0.03 31 162 13736 -65.7 -71.7 43 6.0 -65.8 60 45 349.1 349.1 296.4 349.2 0.01 32 150 14200 -68.5 -78.5 22 10.0 -68.5 65 52 352.1 352.1 297.1 352.1 0.01 33 144 14443 -69.9 -79.9 22 10.0 -69.9 69 49 353.8 353.8 297.4 353.8 0.00 34 135 14831 -65.7 -84.7 5 19.0 -65.8 75 44 367.8 367.8 300.2 367.8 0.00 35 105 16318 -75.7 -85.7 19 10.0 -75.7 100 24 376.2 376.2 301.6 376.2 0.00 36 100 16600 -74.9 -85.9 17 11.0 -74.9 45 6 383.0 383.0 302.7 383.0 0.00 37 93 17019 -76.9 -86.9 19 10.0 -76.9 20 10 387.1 387.1 303.3 387.1 0.00 38 84 17611 -72.1 -88.1 7 16.0 -72.2 344 15 408.3 408.3 306.3 408.3 0.00 39 76 18198 -73.9 -88.9 8 15.0 -74.0 309 21 416.4 416.4 307.3 416.4 0.00 40 70 18680 -72.1 -89.1 6 17.0 -72.2 280 25 430.1 430.1 308.9 430.1 0.00 41 67 18939 -69.7 -89.7 4 20.0 -69.8 264 23 440.8 440.8 310.0 440.8 0.00 42 60 19589 -73.1 -90.1 6 17.0 -73.2 225 19 447.3 447.3 310.6 447.3 0.00 43 50 20670 -67.7 -90.7 2 23.0 -67.9 160 11 484.0 484.0 313.8 484.0 0.00 44 48 20917 -66.1 -90.1 2 24.0 -66.4 154 15 493.4 493.4 314.5 493.5 0.00 45 43 21579 -69.5 -91.5 3 22.0 -69.7 139 24 500.9 500.9 315.0 500.9 0.00 46 35 22833 -61.1 -89.1 1 28.0 -61.8 111 42 553.1 553.1 318.3 553.2 0.00 47 32 23388 -62.5 -88.5 2 26.0 -63.1 99 50 563.8 563.8 318.8 563.8 0.00 48 30 23790 -59.1 -88.1 1 29.0 -60.1 90 56 583.5 583.5 319.8 583.6 0.01 49 29 24001 -58.9 -87.9 1 29.0 -60.0 90 56 589.8 589.8 320.2 589.8 0.01 50 28 24220 -59.5 -87.5 1 28.0 -60.5 91 55 594.0 594.0 320.3 594.1 0.01 51 20 26370 -48.5 -82.5 1 34.0 -52.4 95 52 687.7 687.7 324.0 687.9 0.02 52 13 29221 -45.7 -81.7 1 36.0 -52.1 89 52 787.6 787.6 327.0 787.9 0.04 53 10 30960 -47.7 -82.7 1 35.0 -54.2 85 52 841.5 841.5 328.2 841.9 0.04 54 7.5 32891 -40.3 -80.3 1 40.0 -51.8 943.6 943.7 330.2 944.6 0.08 55 7.1 33264 -41.7 -80.7 1 39.0 -52.7 952.8 952.8 330.4 953.7 0.08 TRP 105 16318 -75.7 -85.7 19 10.0 -75.7 100 24 376.2 376.2 301.6 376.2 0.00 WND Sounding variables and indices 1000-500 mb thick: 5753.00 m Freezing level: 546.31 mb = 5169.38 m = 16959.69 ft Wetbulb zero: 675.54 mb = 3430.61 m = 11255.15 ft Precipitable water: 1.54 inches Sfc-500 mean rel hum: 47.17 % Est. max temperature: 29.01 C = 84.21 F Sfc-Lift cond lev (LCL): 950.65 mb = 547.76 m = 1797.11 ft T: 20.84 C 700-500 lapse rate: 5.48 C/km ThetaE index: 19.84 C Layer 925.0- 700.0 mb Conv cond level (CCL): 928.66 mb = 751.59 m = 2465.81 ft Mean mixing ratio: 15.13 g/kg Conv temperature: 26.37 C = 79.46 F Cap Strength: 2.69 C Lifted Index: 1.60 C Risk: Showers probable Lifted Index @300 mb: 0.92 C Lifted Index @700 mb: 2.26 C Showalter Index: 3.53 C Risk: None Total Totals Index: 37.70 C Risk: None Vertical Totals Index: 19.10 C Cross Totals Index: 18.60 C K Index: 14.40 Risk: None Sweat Index: 224.60 Risk: None Energy Index: -1.64 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 59.45 J/kg Max Up Vert Vel: 10.90 m/s Conv Inhibition (B-): 0.26 J/kg Cap Strength: 2.54 C Lift Cond Lev (LCL): 933.60 mb = 705.37 m = 2314.18 ft Lev Free Conv (LFC): 918.60 mb = 845.60 m = 2774.24 ft Equ Level (EL): 738.60 mb = 2690.64 m = 8827.44 ft B at Equ Level: 46.68 J/kg Max Parcel Lev (MPL): 678.60 mb = 3393.64 m = 11133.85 ft Wind level data Storm motion: 266 at 20 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 1012 4 170 14 -2.4 13.8 | 119 25 -22.2 12.4 1 1000 107 180 17 0.0 17.0 | 128 25 -19.7 15.6 2 925 786 170 22 -3.8 21.7 | 131 31 -23.6 20.3 3 850 1510 170 22 -3.8 21.7 | 131 31 -23.6 20.3 4 700 3140 270 44 44.0 -0.0 | 273 24 24.3 -1.4 5 500 5860 180 9 0.0 9.0 | 111 21 -19.7 7.6 6 400 7590 165 14 -3.6 13.5 | 117 26 -23.4 12.1 7 300 9690 125 16 -13.1 9.2 | 103 34 -32.8 7.8 8 250 10950 120 11 -9.5 5.5 | 98 30 -29.3 4.1 9 200 12420 45 24 -17.0 -17.0 | 63 41 -36.7 -18.4 10 150 14200 65 52 -47.1 -22.0 | 71 71 -66.9 -23.4 11 105 16318 100 24 -23.6 4.2 | 94 43 -43.4 2.8 12 100 16600 45 6 -4.2 -4.2 | 77 25 -24.0 -5.6 13 70 18680 280 25 24.6 -4.3 | 320 8 4.9 -5.7 14 50 20670 160 11 -3.8 10.3 | 111 25 -23.5 9.0 15 30 23790 90 56 -56.0 0.0 | 89 76 -75.7 -1.4 16 20 26370 95 52 -51.8 4.5 | 93 72 -71.5 3.2 17 10 30960 85 52 -51.8 -4.5 | 85 72 -71.5 -5.9 Wind Parameters Mean winds (0-6000m): 236.0 at 26.4 knts Storm direction: 266.0 at 19.8 knts Shear (0-3000m) pos: 8.0 neg: 0.4 tot: 8.5 10-3/s Storm rel Dir Shear (0-3000m): 138.6 deg Storm rel helicity (0-3000m) pos: 386.1 neg: 0.0 tot: 386.1 m^2/s^2 ave: 128.7 10^-3 m/s^2 rel: 0.90 Storm rel vorticity (0-3000m) horiz: 11.2 stream: 10.1 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 0.84 Bulk Shear: 70.80 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 ------------------------------------------------------------------------------- 500 177 18 128 27| 6.2 0.0 6.2| 33.1 0.0 33.1 66.2 0.66| 7.6 5.1 1000 173 20 129 28| 3.1 1.3 4.4| 35.0 0.0 35.0 35.0 0.52| 5.1 2.7 1500 172 20 130 29| 2.1 0.9 3.0| 35.0 0.0 35.0 23.3 0.52| 3.4 1.8 2000 176 22 134 29| 4.7 0.7 5.3|147.3 0.0 147.3 73.7 0.79| 6.4 5.0 2500 188 24 143 27| 6.7 0.5 7.2|262.5 0.0 262.5 105.0 0.86| 8.9 7.7 3000 206 26 159 24| 8.0 0.4 8.5|386.1 0.0 386.1 128.7 0.90| 11.2 10.1 4000 227 29 186 19| 6.0 2.4 8.4|414.6 -98.7 315.9 79.0 0.49| 11.7 5.7 5000 231 29 189 17| 4.8 3.8 8.6|414.6-190.6 224.0 44.8 0.22| 11.4 2.5 6000 236 26 189 14| 4.0 3.8 7.8|415.8-260.4 155.4 25.9 0.10| 10.7 1.0 Wrote GIF file: /home/apache/climate/data/raob//FSSS/skewt/FSSS.skewt.20250718.23.gif