UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102123.upa.cvt Date: 2300Z 21 OCT 25 Searching for FSSS... Searching the city database file for: FSSS ... Date:2300Z 21 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 1009 4 26.8 22.7 78 4.1 23.8 120 2 299.2 302.4 296.7 350.2 17.47 1 1000 86 26.0 21.7 77 4.3 22.9 175 2 299.1 302.2 296.1 347.5 16.56 2 943 602 21.4 20.3 93 1.1 20.6 209 13 299.5 302.5 295.8 346.6 16.10 3 925 770 20.4 18.8 91 1.6 19.3 220 17 300.2 302.9 295.3 343.9 14.93 4 866 1338 16.8 16.1 96 0.7 16.3 228 15 302.1 304.6 294.7 341.7 13.41 5 850 1497 16.2 14.7 91 1.5 15.2 230 14 303.1 305.4 294.3 340.1 12.47 6 833 1669 15.6 13.4 87 2.2 14.1 234 16 304.2 306.4 294.1 339.1 11.68 7 815 1855 16.6 8.6 59 8.0 11.7 239 18 307.2 308.8 292.6 333.4 8.64 8 794 2077 15.2 10.2 72 5.0 12.0 244 21 308.0 309.9 293.8 338.0 9.89 9 700 3135 9.4 -8.6 27 18.0 1.3 270 34 312.9 313.4 289.4 322.1 2.85 10 670 3497 7.2 -15.8 18 23.0 -1.6 263 31 314.4 314.7 288.7 319.9 1.66 11 654 3695 6.4 -11.6 26 18.0 -1.2 259 29 315.6 316.1 289.8 323.5 2.40 12 648 3771 5.4 0.9 73 4.5 2.9 257 28 315.3 316.6 293.2 335.3 6.32 13 641 3859 4.4 2.1 85 2.3 3.1 256 27 315.2 316.5 293.6 337.1 6.97 14 623 4091 3.2 -5.8 52 9.0 -1.1 251 25 316.4 317.2 291.5 329.2 3.98 15 613 4221 2.0 -4.0 64 6.0 -1.0 248 24 316.5 317.4 292.1 331.4 4.64 16 596 4449 3.0 -21.0 15 24.0 -5.2 244 22 320.2 320.4 290.1 324.3 1.20 17 500 5850 -5.3 -28.3 14 23.0 -11.6 215 9 326.6 326.7 291.5 329.3 0.74 18 464 6429 -9.5 -30.5 16 21.0 -14.7 207 9 328.4 328.5 291.9 330.8 0.65 19 454 6597 -10.1 -24.1 31 14.0 -14.2 204 9 329.7 329.9 292.8 334.0 1.20 20 436 6906 -12.1 -43.1 6 31.0 -17.5 200 10 331.0 331.0 292.2 331.8 0.19 21 426 7083 -12.3 -17.0 68 4.7 -14.0 197 10 333.0 333.4 294.6 341.2 2.37 22 421 7173 -12.7 -17.2 69 4.5 -14.3 196 10 333.6 334.0 294.8 341.8 2.36 23 416 7263 -12.9 -24.9 36 12.0 -16.3 194 10 334.4 334.7 294.0 338.9 1.22 24 401 7541 -14.9 -19.5 68 4.6 -16.4 190 10 335.4 335.8 295.0 342.6 2.04 25 400 7560 -15.3 -20.0 67 4.7 -16.9 190 10 335.1 335.5 294.8 342.1 1.95 26 388 7791 -16.1 -26.1 42 10.0 -18.8 182 10 337.0 337.2 294.6 341.3 1.17 27 385 7849 -16.5 -25.5 46 9.0 -19.0 180 10 337.2 337.5 294.7 341.8 1.25 28 375 8048 -17.7 -23.7 59 6.0 -19.4 173 11 338.2 338.5 295.2 343.7 1.51 29 364 8270 -19.5 -28.5 45 9.0 -21.7 165 11 338.7 338.9 294.9 342.4 1.00 30 335 8883 -24.7 -25.4 94 0.7 -24.9 144 12 339.7 340.0 295.5 345.0 1.45 31 306 9538 -29.5 -30.5 91 1.0 -29.7 120 13 341.9 342.1 295.6 345.6 0.99 32 300 9680 -30.5 -34.1 71 3.6 -31.1 115 13 342.4 342.5 295.6 345.1 0.71 33 287 9991 -32.9 -40.9 45 8.0 -33.9 119 13 343.3 343.4 295.4 344.8 0.37 34 254 10833 -40.3 -43.3 73 3.0 -40.6 129 12 344.6 344.7 295.7 345.9 0.33 35 252 10886 -40.7 -45.5 60 4.8 -41.1 129 12 344.8 344.8 295.7 345.8 0.26 36 250 10940 -41.1 -43.7 76 2.6 -41.3 130 12 345.0 345.0 295.8 346.2 0.32 37 248 10995 -41.7 -43.9 79 2.2 -41.9 128 13 344.9 344.9 295.8 346.1 0.31 38 244 11105 -42.7 -47.7 58 5.0 -43.0 125 14 345.0 345.0 295.7 345.8 0.21 39 241 11189 -43.5 -46.3 74 2.8 -43.7 123 15 345.0 345.0 295.7 346.0 0.25 40 238 11273 -44.3 -48.3 64 4.0 -44.6 120 16 345.0 345.1 295.7 345.8 0.20 41 224 11678 -47.3 -53.3 50 6.0 -47.6 108 20 346.5 346.5 296.0 347.0 0.12 42 200 12420 -53.5 -56.7 68 3.2 -53.6 85 28 348.0 348.1 296.3 348.4 0.09 43 177 13192 -59.9 -61.5 81 1.6 -59.9 87 37 349.9 349.9 296.7 350.2 0.05 44 170 13442 -62.1 -66.2 58 4.1 -62.1 88 40 350.3 350.3 296.7 350.5 0.03 45 156 13965 -66.9 -68.9 76 2.0 -66.9 89 46 350.9 350.9 296.8 351.0 0.02 46 150 14200 -69.1 -73.4 54 4.3 -69.1 90 49 351.1 351.1 296.9 351.1 0.01 47 145 14402 -71.1 -75.9 49 4.8 -71.1 86 49 351.0 351.0 296.8 351.0 0.01 48 128 15129 -77.5 -84.5 32 7.0 -77.5 70 49 352.2 352.2 297.1 352.2 0.00 49 125 15266 -73.1 -83.1 20 10.0 -73.1 82 46 362.6 362.6 299.2 362.6 0.00 50 121 15458 -71.9 -84.9 13 13.0 -71.9 100 42 368.2 368.2 300.2 368.2 0.00 51 101 16513 -76.1 -85.1 23 9.0 -76.2 195 18 379.6 379.6 302.2 379.6 0.00 52 100 16570 -76.1 -85.1 23 9.0 -76.2 200 17 380.7 380.7 302.3 380.7 0.00 53 80 17858 -75.1 -87.1 14 12.0 -75.2 216 21 407.8 407.8 306.2 407.9 0.00 54 79 17932 -72.3 -86.3 10 14.0 -72.3 217 21 415.1 415.1 307.2 415.1 0.00 55 70 18640 -73.3 -87.3 10 14.0 -73.3 225 23 427.6 427.6 308.6 427.6 0.00 56 63 19258 -72.5 -88.5 7 16.0 -72.6 442.4 442.4 310.1 442.4 0.00 TRP 128 15129 -77.5 -84.5 32 7.0 -77.5 70 49 352.2 352.2 297.1 352.2 0.00 WND Sounding variables and indices 1000-500 mb thick: 5764.00 m Freezing level: 561.30 mb = 4955.32 m = 16257.41 ft Wetbulb zero: 686.60 mb = 3294.62 m = 10808.99 ft Precipitable water: 1.70 inches Sfc-500 mean rel hum: 51.46 % Est. max temperature: 30.19 C = 86.33 F Sfc-Lift cond lev (LCL): 950.88 mb = 528.94 m = 1735.34 ft T: 22.05 C 700-500 lapse rate: 5.41 C/km ThetaE index: 18.12 C Layer 700.0- 654.0 mb Conv cond level (CCL): 912.55 mb = 886.66 m = 2908.94 ft Mean mixing ratio: 15.97 g/kg Conv temperature: 28.20 C = 82.76 F Cap Strength: 1.29 C Lifted Index: -0.98 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.11 C Lifted Index @700 mb: -0.17 C Showalter Index: 1.42 C Risk: Showers probable Total Totals Index: 41.50 C Risk: None Vertical Totals Index: 21.50 C Cross Totals Index: 20.00 C K Index: 18.20 Risk: < 20 % chance of thunderstorms Sweat Index: 213.40 Risk: None Energy Index: -2.04 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 184.89 J/kg Max Up Vert Vel: 19.23 m/s Conv Inhibition (B-): 3.35 J/kg Cap Strength: 1.24 C Lift Cond Lev (LCL): 925.85 mb = 762.03 m = 2500.08 ft Lev Free Conv (LFC): 890.85 mb = 1093.99 m = 3589.17 ft Equ Level (EL): 820.85 mb = 1793.99 m = 5885.73 ft B at Equ Level: 14.00 J/kg Max Parcel Lev (MPL): 770.85 mb = 2325.40 m = 7629.17 ft Wind level data Storm motion: 283 at 15 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 1009 4 120 2 -1.7 1.0 | 105 17 -16.1 4.3 1 1000 86 175 2 -0.2 2.0 | 110 15 -14.5 5.3 2 925 770 220 17 10.9 13.0 | 168 17 -3.4 16.3 3 850 1497 230 14 10.7 9.0 | 164 13 -3.6 12.3 4 700 3135 270 34 34.0 -0.0 | 260 20 19.7 3.3 5 500 5850 215 9 5.2 7.4 | 139 14 -9.2 10.7 6 400 7560 190 10 1.7 9.8 | 136 18 -12.6 13.2 7 300 9680 115 13 -11.8 5.5 | 109 28 -26.1 8.8 8 250 10940 130 12 -9.2 7.7 | 115 26 -23.5 11.0 9 200 12420 85 28 -27.9 -2.4 | 91 42 -42.2 0.9 10 150 14200 90 49 -49.0 0.0 | 93 63 -63.3 3.3 11 128 15129 70 49 -46.0 -16.8 | 77 62 -60.4 -13.5 12 100 16570 200 17 5.8 16.0 | 156 21 -8.5 19.3 13 70 18640 225 23 16.3 16.3 | 186 20 1.9 19.6 Wind Parameters Mean winds (0-6000m): 253.0 at 19.6 knts Storm direction: 283.0 at 14.7 knts Shear (0-3000m) pos: 5.8 neg: 0.0 tot: 5.8 10-3/s Storm rel Dir Shear (0-3000m): 149.2 deg Storm rel helicity (0-3000m) pos: 167.3 neg: -3.9 tot: 163.4 m^2/s^2 ave: 54.5 10^-3 m/s^2 rel: 0.86 Storm rel vorticity (0-3000m) horiz: 7.9 stream: 6.8 10^-3/s Energy-Hel index: 0.12 Bulk Rich Number: 4.76 Bulk Shear: 38.81 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 ------------------------------------------------------------------------------- 500 196 6 125 16| 11.4 0.0 11.4| 47.8 0.0 47.8 95.6 0.96| 11.8 11.4 1000 217 11 146 14| 8.5 0.0 8.5| 79.8 -0.9 78.9 78.9 0.91| 10.2 9.3 1500 221 12 153 14| 5.1 0.0 5.1| 79.8 -3.9 75.9 50.6 0.77| 7.7 5.9 2000 226 13 159 13| 5.5 0.0 5.5|104.0 -3.9 100.1 50.0 0.82| 7.6 6.3 2500 234 15 171 12| 5.7 0.0 5.7|132.1 -3.9 128.2 51.3 0.85| 7.7 6.6 3000 244 18 188 11| 5.8 0.0 5.8|167.3 -3.9 163.4 54.5 0.86| 7.9 6.8 4000 252 21 209 11| 4.4 1.2 5.6|175.5 -53.0 122.5 30.6 0.51| 7.7 4.0 5000 252 21 210 11| 3.5 2.2 5.7|175.5 -97.3 78.2 15.6 0.26| 7.4 2.0 6000 253 20 206 10| 2.9 2.4 5.3|175.5-129.1 46.4 7.7 0.13| 6.9 0.9 Wrote GIF file: /home/apache/climate/data/raob//FSSS/skewt/FSSS.skewt.20251021.23.gif