UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101823.upa.cvt Date: 2300Z 18 OCT 25 Searching for FSSS... Searching the city database file for: FSSS ... Date:2300Z 18 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 26.0 21.0 74 5.0 22.5 190 4 298.2 301.1 295.2 343.7 15.67 1 1000 98 25.2 21.4 79 3.8 22.5 215 6 298.4 301.3 295.7 345.6 16.25 2 958 474 21.8 20.2 91 1.6 20.7 187 7 298.6 301.5 295.4 344.4 15.74 3 925 779 20.0 17.5 86 2.5 18.3 165 8 299.8 302.3 294.3 339.9 13.73 4 916 863 19.4 16.9 85 2.5 17.7 176 10 300.0 302.4 294.1 339.0 13.34 5 890 1111 18.8 12.8 68 6.0 14.9 208 15 301.8 303.8 292.5 332.9 10.49 6 880 1209 20.0 7.0 43 13.0 12.3 221 17 304.1 305.4 290.5 325.6 7.15 7 850 1508 19.0 4.0 37 15.0 10.4 260 24 306.0 307.2 290.0 324.3 6.00 8 819 1826 18.0 2.0 34 16.0 9.1 262 23 308.3 309.3 290.2 324.9 5.40 9 743 2650 12.0 -7.0 26 19.0 3.2 267 21 310.4 311.0 288.8 320.1 3.04 10 714 2983 10.0 2.0 57 8.0 5.5 269 20 311.8 313.0 292.0 331.1 6.20 11 700 3147 8.8 -1.2 49 10.0 3.6 270 20 312.2 313.2 291.2 328.0 5.01 12 671 3496 6.8 -7.2 36 14.0 0.3 257 18 313.8 314.4 290.1 324.4 3.32 13 667 3545 6.4 -2.6 53 9.0 1.8 255 18 313.9 314.8 291.4 328.9 4.74 14 653 3719 5.4 -13.6 24 19.0 -2.2 248 17 314.7 315.0 289.2 321.4 2.05 15 649 3769 5.0 -13.0 26 18.0 -2.3 246 16 314.8 315.2 289.3 321.9 2.16 16 644 3832 4.6 -16.4 20 21.0 -3.3 244 16 315.0 315.3 288.9 320.5 1.65 17 616 4194 3.8 -7.2 44 11.0 -1.3 230 14 318.1 318.8 291.7 329.9 3.62 18 612 4247 4.4 -13.6 26 18.0 -3.0 228 14 319.4 319.8 290.7 326.7 2.19 19 600 4408 3.6 -2.4 65 6.0 0.4 222 13 320.3 321.3 293.7 337.6 5.35 20 531 5387 -3.1 -14.1 42 11.0 -7.4 184 7 323.6 324.1 292.2 331.8 2.42 21 520 5553 -4.7 -6.1 90 1.4 -5.4 177 6 323.7 324.6 294.1 339.0 4.67 22 500 5860 -7.3 -7.8 96 0.5 -7.5 165 4 324.1 325.0 293.9 338.2 4.26 23 486 6080 -9.1 -9.1 100 0.0 -9.1 169 4 324.6 325.4 293.7 337.7 3.95 24 472 6306 -9.3 -12.3 79 3.0 -10.5 173 4 327.0 327.7 293.7 337.7 3.15 25 438 6879 -12.5 -14.6 84 2.1 -13.3 183 3 330.1 330.6 294.3 339.7 2.82 26 435 6932 -12.5 -15.7 77 3.2 -13.7 184 3 330.7 331.2 294.2 339.7 2.59 27 415 7290 -12.7 -23.7 39 11.0 -16.0 190 3 334.9 335.2 294.3 339.9 1.36 28 400 7570 -14.5 -27.5 32 13.0 -17.9 195 3 336.1 336.3 294.3 339.8 1.00 29 378 7997 -17.3 -32.3 26 15.0 -20.6 169 4 337.9 338.1 294.4 340.5 0.67 30 371 8137 -18.1 -31.1 31 13.0 -21.1 161 5 338.7 338.8 294.7 341.6 0.77 31 320 9220 -28.7 -32.6 69 3.9 -29.4 94 8 338.6 338.8 294.7 341.5 0.77 32 300 9680 -32.1 -35.9 69 3.8 -32.7 65 9 340.1 340.3 294.9 342.4 0.60 33 270 10415 -37.7 -40.7 73 3.0 -38.0 88 18 342.4 342.5 295.3 344.0 0.40 34 250 10940 -42.3 -44.7 77 2.4 -42.5 105 24 343.2 343.2 295.4 344.3 0.29 35 244 11104 -43.9 -48.1 63 4.2 -44.2 103 26 343.2 343.2 295.3 344.0 0.20 36 225 11644 -48.7 -50.3 83 1.6 -48.8 98 33 343.9 343.9 295.4 344.6 0.17 37 222 11732 -49.1 -56.1 44 7.0 -49.4 97 34 344.6 344.6 295.5 344.9 0.09 38 200 12410 -54.9 -59.0 60 4.1 -55.0 90 43 345.8 345.8 295.8 346.1 0.07 39 197 12506 -55.9 -58.5 73 2.6 -56.0 88 45 345.7 345.7 295.7 346.0 0.07 40 187 12835 -57.5 -68.5 23 11.0 -57.7 83 51 348.3 348.3 296.3 348.4 0.02 41 179 13109 -59.5 -72.5 17 13.0 -59.6 78 56 349.5 349.5 296.5 349.5 0.01 42 175 13250 -59.1 -78.1 7 19.0 -59.3 75 59 352.4 352.4 297.1 352.4 0.01 43 167 13541 -60.8 -79.5 7 18.7 -61.0 70 64 354.3 354.3 297.5 354.3 0.00 44 150 14200 -64.7 -82.7 7 18.0 -64.8 75 52 358.6 358.6 298.4 358.6 0.00 45 140 14618 -67.5 -84.5 7 17.0 -67.6 88 44 360.9 360.9 298.9 360.9 0.00 46 114 15824 -77.9 -87.9 18 10.0 -77.9 128 21 363.3 363.3 299.4 363.3 0.00 47 102 16457 -79.5 -87.5 25 8.0 -79.5 150 8 372.0 372.0 300.9 372.0 0.00 48 100 16570 -78.7 -86.7 26 8.0 -78.7 165 10 375.7 375.7 301.5 375.7 0.00 49 94 16921 -79.7 -87.7 25 8.0 -79.7 181 11 380.4 380.4 302.3 380.4 0.00 50 92 17045 -75.3 -86.3 16 11.0 -75.3 186 11 391.5 391.5 304.0 391.5 0.00 51 88 17303 -73.7 -86.7 12 13.0 -73.7 197 11 399.7 399.7 305.2 399.7 0.00 52 72 18467 -76.5 -87.5 16 11.0 -76.6 248 13 417.3 417.3 307.4 417.4 0.00 53 70 18630 -75.1 -88.1 11 13.0 -75.2 255 13 423.7 423.7 308.2 423.7 0.00 54 66 18975 -73.1 -88.1 8 15.0 -73.2 283 15 435.3 435.3 309.4 435.3 0.00 55 60 19532 -75.7 -89.7 9 14.0 -75.7 328 18 441.5 441.5 310.0 441.5 0.00 56 54 20148 -72.5 -90.5 5 18.0 -72.6 18 21 462.4 462.4 312.0 462.4 0.00 57 52 20374 -67.3 -89.3 3 22.0 -67.5 36 22 479.5 479.5 313.4 479.5 0.00 58 50 20610 -69.1 -89.1 4 20.0 -69.3 55 23 480.7 480.7 313.5 480.7 0.00 59 47 20980 -70.5 -90.5 4 20.0 -70.6 59 28 485.9 485.9 313.9 485.9 0.00 60 44 21372 -71.3 -91.3 4 20.0 -71.5 63 33 493.2 493.2 314.5 493.2 0.00 61 32 23299 -63.1 -89.1 2 26.0 -63.7 81 59 562.1 562.1 318.8 562.2 0.00 62 30 23700 -60.3 -87.3 2 27.0 -61.2 85 64 580.3 580.3 319.7 580.3 0.01 63 25 24854 -52.3 -83.3 1 31.0 -54.7 94 63 634.3 634.3 322.1 634.4 0.02 64 21 25982 -51.3 -83.3 1 32.0 -54.3 103 61 669.7 669.7 323.4 669.9 0.02 65 20 26300 -48.7 -81.7 1 33.0 -52.5 105 61 687.1 687.1 324.0 687.3 0.03 66 16 27784 -43.5 -79.5 1 36.0 -50.0 107 50 749.4 749.4 325.9 749.8 0.05 67 12 29705 -46.7 -80.7 1 34.0 -52.9 109 37 802.3 802.3 327.3 802.7 0.05 68 10 30920 -44.5 -80.5 1 36.0 -52.4 110 28 853.4 853.5 328.5 854.0 0.06 69 9.7 31124 -44.1 -80.1 1 36.0 -52.4 862.4 862.4 328.7 863.1 0.07 70 8.6 31955 -31.1 -75.1 1 44.0 -47.5 943.3 943.4 330.2 945.2 0.17 71 7.1 33292 -38.9 -77.9 1 39.0 -51.5 964.3 964.4 330.6 965.8 0.13 72 6.6 33798 -34.3 -76.3 1 42.0 -50.1 1004.0 1004.1 331.3 1006.2 0.18 TRP 102 16457 -79.5 -87.5 25 8.0 -79.5 150 8 372.0 372.0 300.9 372.0 0.00 WND 167 13541 -60.8 -79.5 7 18.7 -61.0 70 64 354.3 354.3 297.5 354.3 0.00 Sounding variables and indices 1000-500 mb thick: 5762.00 m Freezing level: 562.93 mb = 4934.00 m = 16187.48 ft Wetbulb zero: 660.64 mb = 3623.31 m = 11887.35 ft Precipitable water: 1.53 inches Sfc-500 mean rel hum: 52.47 % Est. max temperature: 33.12 C = 91.62 F Sfc-Lift cond lev (LCL): 940.14 mb = 637.88 m = 2092.76 ft T: 20.83 C 700-500 lapse rate: 5.93 C/km ThetaE index: 21.25 C Layer 958.0- 819.0 mb Conv cond level (CCL): 803.86 mb = 1984.21 m = 6509.78 ft Mean mixing ratio: 15.18 g/kg Conv temperature: 36.51 C = 97.71 F Cap Strength: 3.33 C Lifted Index: -1.81 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.11 C Lifted Index @700 mb: 0.17 C Showalter Index: 6.74 C Risk: None Total Totals Index: 37.60 C Risk: None Vertical Totals Index: 26.30 C Cross Totals Index: 11.30 C K Index: 20.30 Risk: 20-40 % chance of thunderstorms Sweat Index: 100.00 Risk: None Energy Index: 2.80 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 90.59 J/kg Max Up Vert Vel: 13.46 m/s Conv Inhibition (B-): 152.75 J/kg Cap Strength: 3.27 C Lift Cond Lev (LCL): 924.25 mb = 786.01 m = 2578.73 ft Lev Free Conv (LFC): 679.25 mb = 3395.07 m = 11138.54 ft Equ Level (EL): 619.25 mb = 4150.72 m = 13617.69 ft B at Equ Level: 15.22 J/kg Max Parcel Lev (MPL): 579.25 mb = 4689.82 m = 15386.35 ft Wind level data Storm motion: 286 at 11 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 4 0.7 3.9 | 125 12 -9.7 6.8 1 1000 98 215 6 3.4 4.9 | 138 10 -6.9 7.8 2 925 779 165 8 -2.1 7.7 | 130 16 -12.4 10.6 3 850 1508 260 24 23.6 4.2 | 242 15 13.3 7.0 4 700 3147 270 20 20.0 -0.0 | 253 10 9.6 2.9 5 500 5860 165 4 -1.0 3.9 | 121 13 -11.4 6.7 6 400 7570 195 3 0.8 2.9 | 121 11 -9.6 5.8 7 300 9680 65 9 -8.2 -3.8 | 87 19 -18.5 -0.9 8 250 10940 105 24 -23.2 6.2 | 105 35 -33.5 9.1 9 200 12410 90 43 -43.0 0.0 | 93 53 -53.4 2.9 10 167 13541 70 64 -60.1 -21.9 | 75 73 -70.5 -19.0 11 150 14200 75 52 -50.2 -13.5 | 80 61 -60.6 -10.6 12 102 16457 150 8 -4.0 6.9 | 124 17 -14.4 9.8 13 100 16570 165 10 -2.6 9.7 | 134 18 -12.9 12.5 14 70 18630 255 13 12.6 3.4 | 199 7 2.2 6.2 15 50 20610 55 23 -18.8 -13.2 | 71 31 -29.2 -10.3 16 30 23700 85 64 -63.8 -5.6 | 88 74 -74.1 -2.7 17 20 26300 105 61 -58.9 15.8 | 105 72 -69.3 18.7 18 10 30920 110 28 -26.3 9.6 | 109 39 -36.7 12.5 Wind Parameters Mean winds (0-6000m): 255.6 at 14.3 knts Storm direction: 285.6 at 10.7 knts Shear (0-3000m) pos: 3.6 neg: 0.6 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): 127.1 deg Storm rel helicity (0-3000m) pos: 142.9 neg: -6.0 tot: 137.0 m^2/s^2 ave: 45.7 10^-3 m/s^2 rel: 0.76 Storm rel vorticity (0-3000m) horiz: 7.7 stream: 5.8 10^-3/s Energy-Hel index: 0.08 Bulk Rich Number: 4.77 Bulk Shear: 19.00 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 ------------------------------------------------------------------------------- 500 200 6 137 12| 0.0 3.3 3.3| 7.6 -2.1 5.5 11.1 0.31| 6.7 2.1 1000 186 8 138 14| 3.1 1.7 4.7| 37.4 -6.0 31.5 31.5 0.49| 8.2 4.0 1500 223 11 166 11| 7.9 1.1 9.0|134.3 -6.0 128.4 85.6 0.79| 13.6 10.8 2000 241 14 192 10| 5.8 0.8 6.6|138.3 -6.0 132.3 66.2 0.78| 10.7 8.3 2500 249 16 207 10| 4.5 0.7 5.1|140.8 -6.0 134.9 54.0 0.77| 8.9 6.8 3000 253 17 217 10| 3.6 0.6 4.1|142.9 -6.0 137.0 45.7 0.76| 7.7 5.8 4000 255 17 220 10| 2.7 1.7 4.4|143.3 -36.2 107.1 26.8 0.41| 7.3 2.9 5000 253 16 213 9| 2.1 2.2 4.3|143.3 -68.6 74.7 14.9 0.20| 6.8 1.4 6000 256 14 209 7| 1.8 1.9 3.7|143.5 -91.3 52.2 8.7 0.10| 6.3 0.6 Wrote GIF file: /home/apache/climate/data/raob//FSSS/skewt/FSSS.skewt.20251018.23.gif