UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041723.upa.cvt Date: 2300Z 17 APR 25 Searching for FSSS... Searching the city database file for: FSSS ... Date:2300Z 17 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 28.6 23.6 74 5.0 24.9 260 5 300.9 304.3 297.7 355.2 18.45 1 1000 91 28.4 22.4 70 6.0 24.0 255 7 301.5 304.7 297.2 352.5 17.30 2 925 780 23.2 18.2 73 5.0 19.7 265 12 303.0 305.7 295.6 345.6 14.36 3 850 1513 17.6 14.1 80 3.5 15.3 255 12 304.6 306.8 294.4 340.4 11.99 4 700 3152 9.6 3.6 66 6.0 6.1 205 8 313.1 314.5 293.1 335.3 7.10 5 500 5880 -4.1 -26.1 16 22.0 -10.6 145 10 328.0 328.2 292.1 331.3 0.91 6 400 7600 -14.5 -36.5 14 22.0 -19.0 170 11 336.1 336.2 293.7 337.8 0.42 7 300 9710 -30.3 -47.3 17 17.0 -32.1 185 6 342.7 342.7 295.1 343.4 0.18 8 250 10980 -40.1 -60.1 10 20.0 -41.1 265 8 346.4 346.5 295.9 346.6 0.05 9 200 12470 -52.3 -68.3 13 16.0 -52.7 305 17 349.9 350.0 296.6 350.0 0.02 10 150 14260 -66.1 -77.1 20 11.0 -66.2 295 24 356.2 356.2 298.0 356.2 0.01 11 111 16029 -80.1 -85.1 43 5.0 -80.1 90 23 362.0 362.0 299.1 362.0 0.00 12 100 16620 -80.5 -86.5 36 6.0 -80.5 130 22 372.2 372.2 300.9 372.2 0.00 TRP 111 16029 -80.1 -85.1 43 5.0 -80.1 90 23 362.0 362.0 299.1 362.0 0.00 WND Sounding variables and indices 1000-500 mb thick: 5789.00 m Freezing level: 559.85 mb = 5063.59 m = 16612.63 ft Wetbulb zero: 626.91 mb = 4046.10 m = 13274.45 ft Precipitable water: 1.85 inches Sfc-500 mean rel hum: 58.08 % Est. max temperature: 32.09 C = 89.77 F Sfc-Lift cond lev (LCL): 939.70 mb = 640.66 m = 2101.88 ft T: 24.25 C 700-500 lapse rate: 5.02 C/km ThetaE index: 23.87 C Layer 1000.0- 400.0 mb Conv cond level (CCL): 862.16 mb = 1389.88 m = 4559.93 ft Mean mixing ratio: 15.76 g/kg Conv temperature: 32.05 C = 89.69 F Cap Strength: 1.43 C Lifted Index: -0.78 C Risk: Thunderstorms probable Lifted Index @300 mb: -1.37 C Lifted Index @700 mb: -0.70 C Showalter Index: 2.56 C Risk: Showers probable Total Totals Index: 39.90 C Risk: None Vertical Totals Index: 21.70 C Cross Totals Index: 18.20 C K Index: 29.80 Risk: 40-60 % chance of thunderstorms Sweat Index: 203.20 Risk: None Energy Index: -1.66 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 326.61 J/kg Max Up Vert Vel: 25.56 m/s Conv Inhibition (B-): 22.71 J/kg Cap Strength: 1.43 C Lift Cond Lev (LCL): 887.50 mb = 1138.72 m = 3735.90 ft Lev Free Conv (LFC): 822.50 mb = 1790.59 m = 5874.56 ft Equ Level (EL): 232.50 mb = 11464.46 m = 37612.60 ft B at Equ Level: 326.16 J/kg Max Parcel Lev (MPL): 142.50 mb = 14561.21 m = 47772.41 ft Wind level data Storm motion: 244 at 7 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 4 260 5 4.9 0.9 | 35 3 -1.6 -2.3 1 1000 91 255 7 6.8 1.8 | 350 1 0.2 -1.3 2 925 780 265 12 12.0 1.0 | 291 6 5.4 -2.1 3 850 1513 255 12 11.6 3.1 | 270 5 5.1 -0.0 4 700 3152 205 8 3.4 7.3 | 143 5 -3.2 4.1 5 500 5880 145 10 -5.7 8.2 | 112 13 -12.3 5.1 6 400 7600 170 11 -1.9 10.8 | 132 11 -8.4 7.7 7 300 9710 185 6 0.5 6.0 | 115 7 -6.0 2.9 8 250 10980 265 8 8.0 0.7 | 329 3 1.4 -2.4 9 200 12470 305 17 13.9 -9.8 | 330 15 7.4 -12.9 10 150 14260 295 24 21.8 -10.1 | 311 20 15.2 -13.3 11 111 16029 90 23 -23.0 0.0 | 84 30 -29.5 -3.1 12 100 16620 130 22 -16.9 14.1 | 115 26 -23.4 11.0 Wind Parameters Mean winds (0-6000m): 214.4 at 9.7 knts Storm direction: 244.4 at 7.2 knts Shear (0-3000m) pos: 1.2 neg: 1.6 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): 114.3 deg Storm rel helicity (0-3000m) pos: 0.0 neg: -13.5 tot: -13.5 m^2/s^2 ave: -4.5 10^-3 m/s^2 rel: -0.76 Storm rel vorticity (0-3000m) horiz: 3.1 stream: -2.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 53.61 Bulk Shear: 6.09 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 ------------------------------------------------------------------------------- 500 258 8 318 2| 5.1 0.0 5.1| 0.0 -1.7 -1.7 -3.4 -0.66| 5.5 -3.6 1000 262 10 299 4| 3.6 0.0 3.6| 0.0 -2.9 -2.9 -2.9 -0.55| 4.1 -2.3 1500 260 11 290 4| 2.4 0.5 2.9| 0.0 -4.8 -4.8 -3.2 -0.61| 3.2 -2.0 2000 257 11 281 4| 1.8 1.2 3.0| 0.0 -8.0 -8.0 -4.0 -0.68| 3.3 -2.2 2500 253 11 270 4| 1.4 1.5 2.9| 0.0 -10.8 -10.8 -4.3 -0.74| 3.2 -2.4 3000 249 10 260 3| 1.2 1.6 2.8| 0.0 -13.5 -13.5 -4.5 -0.76| 3.1 -2.4 4000 239 10 225 3| 0.9 1.7 2.6| 0.0 -16.0 -16.0 -4.0 -0.71| 2.8 -2.0 5000 227 10 190 3| 0.7 1.7 2.4| 0.0 -20.6 -20.6 -4.1 -0.69| 2.6 -1.8 6000 214 10 167 5| 0.6 1.6 2.2| 0.9 -27.5 -26.6 -4.4 -0.67| 2.5 -1.7 Wrote GIF file: /home/apache/climate/data/raob//FSSS/skewt/FSSS.skewt.20250417.23.gif