UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041623.upa.cvt Date: 2300Z 16 APR 25 Searching for FSSS... Searching the city database file for: FSSS ... Date:2300Z 16 APR 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 1010 4 26.6 24.1 86 2.5 24.8 0 0 298.9 302.4 297.6 354.5 19.04 1 1000 89 27.8 23.1 76 4.7 24.3 300 3 301.0 304.3 297.5 354.1 18.07 2 925 776 21.8 21.7 99 0.1 21.8 215 4 301.6 304.9 297.6 354.5 17.94 3 850 1508 18.2 12.2 68 6.0 14.3 250 8 305.2 307.2 293.5 336.9 10.56 4 700 3149 9.2 6.0 80 3.2 7.3 230 6 312.7 314.3 294.0 338.7 8.41 5 500 5880 -2.5 -34.5 6 32.0 -10.5 145 12 330.0 330.1 292.2 331.5 0.41 6 400 7610 -13.7 -35.7 14 22.0 -18.4 215 13 337.2 337.3 294.0 338.9 0.46 7 300 9720 -29.9 -52.9 9 23.0 -32.0 135 14 343.2 343.3 295.2 343.6 0.09 8 250 10990 -40.7 -59.7 11 19.0 -41.6 210 7 345.6 345.6 295.7 345.8 0.05 9 200 12470 -52.3 -71.3 8 19.0 -52.7 195 8 349.9 350.0 296.6 350.0 0.01 10 150 14270 -67.7 -74.7 36 7.0 -67.8 260 19 353.5 353.5 297.4 353.5 0.01 11 103 16463 -79.9 -87.9 25 8.0 -79.9 85 10 370.2 370.2 300.6 370.2 0.00 12 100 16630 -79.3 -89.3 18 10.0 -79.3 100 12 374.5 374.5 301.4 374.5 0.00 TRP 103 16463 -79.9 -87.9 25 8.0 -79.9 85 10 370.2 370.2 300.6 370.2 0.00 WND Sounding variables and indices 1000-500 mb thick: 5791.00 m Freezing level: 542.74 mb = 5296.45 m = 17376.60 ft Wetbulb zero: 618.20 mb = 4157.64 m = 13640.39 ft Precipitable water: 1.96 inches Sfc-500 mean rel hum: 62.18 % Est. max temperature: 32.43 C = 90.38 F Sfc-Lift cond lev (LCL): 974.43 mb = 317.30 m = 1040.99 ft T: 25.81 C 700-500 lapse rate: 4.28 C/km ThetaE index: 17.66 C Layer 850.0- 700.0 mb Conv cond level (CCL): 921.78 mb = 806.22 m = 2645.03 ft Mean mixing ratio: 17.92 g/kg Conv temperature: 29.46 C = 85.02 F Cap Strength: 0.31 C Lifted Index: -0.97 C Risk: Thunderstorms probable Lifted Index @300 mb: -3.67 C Lifted Index @700 mb: -2.48 C Showalter Index: 5.62 C Risk: None Total Totals Index: 35.40 C Risk: None Vertical Totals Index: 20.70 C Cross Totals Index: 14.70 C K Index: 29.70 Risk: 40-60 % chance of thunderstorms Sweat Index: 174.40 Risk: None Energy Index: -0.86 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1138.18 J/kg Max Up Vert Vel: 47.71 m/s Conv Inhibition (B-): 0.90 J/kg Cap Strength: 0.31 C Lift Cond Lev (LCL): 928.78 mb = 740.06 m = 2427.99 ft Lev Free Conv (LFC): 903.78 mb = 976.90 m = 3205.03 ft Equ Level (EL): 143.78 mb = 14517.01 m = 47627.41 ft B at Equ Level: 1122.81 J/kg Wind level data Storm motion: 231 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 1010 4 0 0 -0.0 -0.0 | 51 6 -4.4 -3.5 1 1000 89 300 3 2.6 -1.5 | 19 5 -1.8 -5.0 2 925 776 215 4 2.3 3.3 | 83 2 -2.1 -0.2 3 850 1508 250 8 7.5 2.7 | 284 3 3.2 -0.8 4 700 3149 230 6 4.6 3.9 | 215 0 0.2 0.3 5 500 5880 145 12 -6.9 9.8 | 119 13 -11.2 6.3 6 400 7610 215 13 7.5 10.6 | 203 8 3.1 7.1 7 300 9720 135 14 -9.9 9.9 | 114 16 -14.3 6.4 8 250 10990 210 7 3.5 6.1 | 161 3 -0.9 2.5 9 200 12470 195 8 2.1 7.7 | 151 5 -2.3 4.2 10 150 14270 260 19 18.7 3.3 | 271 14 14.4 -0.2 11 103 16463 85 10 -10.0 -0.9 | 73 15 -14.3 -4.4 12 100 16630 100 12 -11.8 2.1 | 85 16 -16.2 -1.4 Wind Parameters Mean winds (0-6000m): 201.1 at 7.5 knts Storm direction: 231.1 at 5.6 knts Shear (0-3000m) pos: 0.7 neg: 0.8 tot: 1.5 10-3/s Storm rel Dir Shear (0-3000m): -173.3 deg Storm rel helicity (0-3000m) pos: 1.9 neg: -5.0 tot: -3.1 m^2/s^2 ave: -1.0 10^-3 m/s^2 rel: 0.02 Storm rel vorticity (0-3000m) horiz: 2.8 stream: 0.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 165.90 Bulk Shear: 6.86 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 ------------------------------------------------------------------------------- 500 274 3 20 4| 0.0 3.7 3.7| 0.3 -4.4 -4.1 -8.2 -0.48| 6.2 -2.9 1000 242 4 33 2| 0.0 2.7 2.7| 1.5 -4.4 -3.0 -3.0 -0.05| 4.9 -0.2 1500 243 5 11 1| 1.3 1.8 3.1| 1.9 -4.4 -2.6 -1.7 0.10| 4.7 0.5 2000 245 5 339 1| 1.0 1.3 2.3| 1.9 -4.7 -2.8 -1.4 0.07| 3.8 0.3 2500 244 6 322 1| 0.8 1.0 1.8| 1.9 -4.8 -3.0 -1.2 0.05| 3.2 0.2 3000 242 6 314 1| 0.7 0.8 1.5| 1.9 -5.0 -3.1 -1.0 0.02| 2.8 0.1 4000 236 6 276 1| 0.5 1.0 1.5| 1.9 -5.7 -3.8 -1.0 -0.06| 2.6 -0.2 5000 221 7 181 2| 0.4 1.2 1.6| 1.9 -10.0 -8.1 -1.6 -0.14| 2.7 -0.4 6000 201 7 154 4| 0.3 1.3 1.6| 4.5 -19.7 -15.2 -2.5 -0.20| 2.8 -0.5 Wrote GIF file: /home/apache/climate/data/raob//FSSS/skewt/FSSS.skewt.20250416.23.gif