UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025072123.upa.cvt Date: 2300Z 21 JUL 25 Searching for FSSS... Searching the city database file for: FSSS ... Date:2300Z 21 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 1011 4 25.4 22.5 84 2.9 23.3 170 17 297.6 300.7 296.1 347.6 17.22 1 1000 98 24.6 22.6 89 2.0 23.2 180 24 297.8 300.9 296.3 348.6 17.52 2 946 583 20.6 20.3 98 0.3 20.4 173 30 298.5 301.4 295.6 345.1 16.05 3 925 778 19.8 19.8 100 0.0 19.8 170 32 299.6 302.5 295.7 346.0 15.91 4 908 938 19.4 19.4 100 0.0 19.4 166 30 300.7 303.6 296.0 347.1 15.81 5 850 1505 16.8 10.8 68 6.0 13.0 150 25 303.7 305.5 292.4 332.4 9.61 6 841 1596 16.6 10.6 68 6.0 12.8 155 25 304.5 306.2 292.6 333.1 9.59 7 826 1749 17.0 10.0 63 7.0 12.6 163 26 306.5 308.2 293.0 334.7 9.37 8 809 1926 16.2 9.2 63 7.0 11.9 173 26 307.4 309.1 293.0 334.9 9.07 9 801 2010 16.6 -0.4 31 17.0 7.6 178 27 308.7 309.6 289.7 323.1 4.64 10 778 2258 16.4 -11.6 14 28.0 4.2 191 27 311.1 311.5 288.0 317.7 2.02 11 767 2379 16.0 -15.0 11 31.0 3.4 198 28 311.9 312.2 287.8 317.1 1.55 12 754 2524 14.4 -14.6 12 29.0 2.6 206 28 311.7 312.0 287.8 317.1 1.63 13 739 2693 15.0 -31.0 3 46.0 1.0 215 29 314.2 314.3 287.3 315.6 0.39 14 700 3149 11.2 -32.8 3 44.0 -1.3 240 30 314.9 315.0 287.5 316.1 0.35 15 675 3450 8.6 -37.4 2 46.0 -3.0 229 30 315.3 315.3 287.5 316.1 0.23 16 627 4055 6.2 -41.8 2 48.0 -4.8 207 29 319.2 319.3 288.7 319.8 0.16 17 594 4494 2.6 -43.4 2 46.0 -7.1 191 28 320.0 320.1 288.9 320.6 0.14 18 539 5274 0.2 -47.8 1 48.0 -9.1 162 27 326.2 326.2 290.7 326.6 0.09 19 500 5870 -3.7 -46.7 2 43.0 -11.7 140 26 328.5 328.6 291.4 329.0 0.11 20 465 6439 -7.9 -47.9 2 40.0 -14.6 142 20 330.2 330.2 291.9 330.6 0.11 21 444 6798 -9.1 -51.1 2 42.0 -15.7 143 17 333.1 333.1 292.6 333.4 0.08 22 438 6904 -8.7 -46.7 3 38.0 -15.4 143 16 334.9 334.9 293.2 335.4 0.13 23 400 7600 -14.7 -48.7 4 34.0 -19.7 145 9 335.9 335.9 293.4 336.3 0.11 24 336 8889 -25.5 -41.5 21 16.0 -27.8 115 10 338.3 338.4 294.2 339.5 0.30 25 304 9606 -30.1 -44.1 24 14.0 -31.7 97 11 341.7 341.7 295.0 342.7 0.25 26 300 9700 -30.9 -43.9 27 13.0 -32.4 95 11 341.8 341.9 295.0 342.9 0.26 27 279 10213 -35.5 -43.5 44 8.0 -36.3 111 9 342.4 342.4 295.1 343.5 0.29 28 258 10755 -40.1 -48.1 42 8.0 -40.7 128 7 343.3 343.4 295.3 344.1 0.19 29 250 10970 -41.5 -50.5 37 9.0 -42.1 135 6 344.4 344.4 295.5 345.0 0.15 30 209 12156 -51.3 -64.3 20 13.0 -51.6 39 12 347.1 347.1 296.0 347.3 0.03 31 200 12440 -53.9 -63.9 28 10.0 -54.1 15 13 347.4 347.4 296.1 347.6 0.04 32 192 12700 -56.1 -67.1 24 11.0 -56.3 20 18 348.0 348.0 296.2 348.1 0.02 33 171 13424 -62.5 -65.2 70 2.7 -62.6 34 33 349.1 349.1 296.5 349.2 0.03 34 150 14220 -68.1 -74.1 42 6.0 -68.1 50 49 352.8 352.8 297.3 352.8 0.01 35 144 14468 -64.1 -82.1 7 18.0 -64.2 45 45 363.9 363.9 299.4 363.9 0.00 36 100 16630 -77.9 -85.9 26 8.0 -77.9 360 5 377.2 377.2 301.8 377.2 0.00 37 93 17041 -80.3 -87.3 30 7.0 -80.3 355 8 380.4 380.4 302.3 380.4 0.00 38 88 17357 -74.1 -86.1 14 12.0 -74.2 338 7 398.9 398.9 305.0 398.9 0.00 39 84 17628 -73.3 -88.3 8 15.0 -73.3 325 5 405.8 405.8 306.0 405.9 0.00 40 75 18283 -76.9 -88.9 13 12.0 -76.9 291 3 411.7 411.7 306.7 411.7 0.00 41 70 18680 -75.5 -89.5 9 14.0 -75.6 270 1 422.9 422.9 308.0 422.9 0.00 42 62 19390 -72.3 -91.3 4 19.0 -72.4 257 1 444.9 444.9 310.4 444.9 0.00 43 59 19687 -66.1 -91.1 2 25.0 -66.3 252 2 465.2 465.2 312.3 465.2 0.00 44 50 20690 -66.9 -89.9 3 23.0 -67.1 235 2 485.8 485.8 313.9 485.8 0.00 45 48 20936 -67.9 -90.9 2 23.0 -68.1 224 5 489.2 489.2 314.1 489.2 0.00 46 30 23840 -57.1 -87.1 1 30.0 -58.4 100 39 589.0 589.0 320.1 589.0 0.01 47 23 25498 -61.7 -88.7 2 27.0 -62.7 93 49 621.9 621.9 321.6 622.0 0.01 48 20 26370 -57.5 -87.5 1 30.0 -59.2 90 54 660.2 660.2 323.1 660.2 0.01 49 17 27409 -52.9 -84.9 1 32.0 -55.9 89 56 706.3 706.3 324.6 706.5 0.02 50 13 29155 -49.7 -83.7 1 34.0 -54.5 87 58 773.7 773.7 326.6 774.0 0.03 51 12 29678 -50.7 -83.7 1 33.0 -55.4 86 59 788.1 788.1 327.0 788.4 0.03 52 10 30880 -46.1 -82.2 1 36.1 -53.3 85 61 847.5 847.5 328.4 847.9 0.05 53 8.4 32051 -41.7 -80.7 1 39.0 -51.8 908.1 908.1 329.6 908.8 0.07 54 7.7 32638 -43.7 -80.7 1 37.0 -53.2 922.9 922.9 329.9 923.7 0.08 55 6.8 33477 -41.5 -80.5 1 39.0 -52.8 965.5 965.5 330.6 966.5 0.09 TRP 93 17041 -80.3 -87.3 30 7.0 -80.3 355 8 380.4 380.4 302.3 380.4 0.00 WND 10 30880 -46.1 -82.2 1 36.1 -53.3 85 61 847.5 847.5 328.4 847.9 0.05 Sounding variables and indices 1000-500 mb thick: 5772.00 m Freezing level: 537.00 mb = 5304.42 m = 17402.73 ft Wetbulb zero: 721.66 mb = 2892.91 m = 9491.07 ft Precipitable water: 1.22 inches Sfc-500 mean rel hum: 30.33 % Est. max temperature: 30.96 C = 87.73 F Sfc-Lift cond lev (LCL): 969.58 mb = 368.12 m = 1207.71 ft T: 22.37 C 700-500 lapse rate: 5.48 C/km ThetaE index: 17.85 C Layer 801.0- 754.0 mb Conv cond level (CCL): 949.38 mb = 552.23 m = 1811.75 ft Mean mixing ratio: 16.54 g/kg Conv temperature: 26.19 C = 79.15 F Cap Strength: 3.26 C Lifted Index: 0.44 C Risk: Showers probable Lifted Index @300 mb: -0.71 C Lifted Index @700 mb: 1.51 C Showalter Index: 6.42 C Risk: None Total Totals Index: 35.00 C Risk: None Vertical Totals Index: 20.50 C Cross Totals Index: 14.50 C K Index: -12.70 Risk: None Sweat Index: 205.60 Risk: None Energy Index: -0.43 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 158.06 J/kg Max Up Vert Vel: 17.78 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 3.23 C Lift Cond Lev (LCL): 948.01 mb = 564.77 m = 1852.90 ft Lev Free Conv (LFC): 943.01 mb = 610.77 m = 2003.83 ft Equ Level (EL): 913.01 mb = 890.61 m = 2921.90 ft B at Equ Level: 10.93 J/kg Max Parcel Lev (MPL): 803.01 mb = 1988.87 m = 6525.09 ft Wind level data Storm motion: 216 at 21 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 4 170 17 -3.0 16.7 | 90 15 -15.3 -0.0 1 1000 98 180 24 0.0 24.0 | 120 14 -12.4 7.3 2 925 778 170 32 -5.6 31.5 | 129 23 -17.9 14.8 3 850 1505 150 25 -12.5 21.7 | 101 25 -24.9 4.9 4 700 3149 240 30 26.0 15.0 | 277 14 13.6 -1.7 5 500 5870 140 26 -16.7 19.9 | 96 29 -29.1 3.2 6 400 7600 145 9 -5.2 7.4 | 62 20 -17.5 -9.4 7 300 9700 95 11 -11.0 1.0 | 56 28 -23.3 -15.8 8 250 10970 135 6 -4.2 4.2 | 53 21 -16.6 -12.5 9 200 12440 15 13 -3.4 -12.6 | 28 33 -15.7 -29.3 10 150 14220 50 49 -37.5 -31.5 | 46 69 -49.9 -48.2 11 100 16630 360 5 -0.0 -5.0 | 30 25 -12.4 -21.7 12 93 17041 355 8 0.7 -8.0 | 25 27 -11.7 -24.7 13 70 18680 270 1 1.0 -0.0 | 34 20 -11.4 -16.7 14 50 20690 235 2 1.6 1.1 | 34 19 -10.7 -15.6 15 30 23840 100 39 -38.4 6.8 | 79 52 -50.8 -10.0 16 20 26370 90 54 -54.0 0.0 | 76 68 -66.4 -16.7 17 10 30880 85 61 -60.8 -5.3 | 73 76 -73.1 -22.1 Wind Parameters Mean winds (0-6000m): 186.4 at 27.8 knts Storm direction: 216.4 at 20.8 knts Shear (0-3000m) pos: 6.3 neg: 2.0 tot: 8.3 10-3/s Storm rel Dir Shear (0-3000m): 172.6 deg Storm rel helicity (0-3000m) pos: 153.6 neg: -75.9 tot: 77.8 m^2/s^2 ave: 25.9 10^-3 m/s^2 rel: 0.45 Storm rel vorticity (0-3000m) horiz: 11.7 stream: 5.3 10^-3/s Energy-Hel index: 0.09 Bulk Rich Number: 44.61 Bulk Shear: 3.54 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 25 121 16| 12.2 0.0 12.2| 38.7 0.0 38.7 77.3 0.74| 13.8 10.3 1000 173 28 124 19| 6.1 2.7 8.9| 41.6 -23.7 17.9 17.9 0.32| 10.8 3.4 1500 168 28 120 21| 4.1 4.0 8.1| 41.6 -75.9 -34.3 -22.9 -0.05| 10.0 -0.5 2000 167 27 118 21| 5.2 3.0 8.2| 91.0 -75.9 15.1 7.6 0.18| 10.7 1.9 2500 172 27 122 19| 5.9 2.4 8.4|124.2 -75.9 48.4 19.3 0.33| 11.2 3.7 3000 180 28 131 17| 6.3 2.0 8.3|153.6 -75.9 77.8 25.9 0.45| 11.7 5.3 4000 192 28 149 12| 4.7 2.5 7.2|161.1-110.5 50.6 12.7 0.22| 11.2 2.5 5000 192 28 148 12| 3.8 3.8 7.6|161.1-159.7 1.4 0.3 0.05| 10.8 0.5 6000 186 28 139 14| 3.1 4.2 7.3|161.1-236.2 -75.1 -12.5 -0.05| 10.3 -0.6 Wrote GIF file: /home/apache/climate/data/raob//FSSS/skewt/FSSS.skewt.20250721.23.gif