UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025060811.upa.cvt Date: 1100Z 8 JUN 25 Searching for FSSS... Searching the city database file for: FSSS ... Date:1100Z 8 JUN 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 29.8 22.8 66 7.0 24.7 150 18 302.0 305.2 297.4 353.8 17.54 1 1000 103 27.0 22.2 75 4.8 23.5 145 22 300.1 303.3 296.7 350.2 17.09 2 925 788 20.8 19.7 93 1.1 20.1 145 21 300.6 303.5 296.0 347.0 15.81 3 850 1518 18.2 14.2 77 4.0 15.5 135 15 305.2 307.5 294.6 341.3 12.07 4 700 3163 10.8 1.8 54 9.0 5.8 180 9 314.4 315.6 292.8 334.1 6.24 5 500 5890 -3.9 -24.9 18 21.0 -10.4 115 18 328.3 328.5 292.2 331.9 1.01 6 400 7610 -16.1 -22.1 60 6.0 -17.9 160 20 334.1 334.4 294.3 339.9 1.63 7 300 9720 -30.9 -39.9 41 9.0 -32.1 190 3 341.8 341.9 295.1 343.4 0.40 8 250 10990 -41.9 -46.3 62 4.4 -42.2 80 9 343.8 343.8 295.4 344.7 0.24 9 200 12460 -54.7 -59.6 55 4.9 -54.8 55 26 346.1 346.2 295.8 346.4 0.06 10 150 14240 -63.3 -84.3 4 21.0 -63.4 105 23 361.0 361.0 298.9 361.0 0.00 11 100 16640 -75.5 -86.5 16 11.0 -75.5 270 18 381.9 381.9 302.5 381.9 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5787.00 m Freezing level: 553.06 mb = 5166.51 m = 16950.29 ft Wetbulb zero: 628.48 mb = 4036.46 m = 13242.83 ft Precipitable water: 1.90 inches Sfc-500 mean rel hum: 55.86 % Est. max temperature: 32.31 C = 90.15 F Sfc-Lift cond lev (LCL): 913.84 mb = 892.78 m = 2929.03 ft T: 20.43 C 700-500 lapse rate: 5.39 C/km ThetaE index: 21.90 C Layer 1000.0- 400.0 mb Conv cond level (CCL): 893.36 mb = 1088.48 m = 3571.07 ft Mean mixing ratio: 16.39 g/kg Conv temperature: 30.28 C = 86.50 F Cap Strength: 0.78 C Lifted Index: -0.46 C Risk: Thunderstorms probable Lifted Index @300 mb: -1.80 C Lifted Index @700 mb: 0.58 C Showalter Index: 2.35 C Risk: Showers probable Total Totals Index: 40.20 C Risk: None Vertical Totals Index: 22.10 C Cross Totals Index: 18.10 C K Index: 27.30 Risk: 40-60 % chance of thunderstorms Sweat Index: 218.40 Risk: None Energy Index: -1.73 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 524.59 J/kg Max Up Vert Vel: 32.39 m/s Conv Inhibition (B-): 59.84 J/kg Cap Strength: 1.48 C Lift Cond Lev (LCL): 919.11 mb = 843.11 m = 2766.07 ft Lev Free Conv (LFC): 624.11 mb = 4092.99 m = 13428.28 ft Equ Level (EL): 184.11 mb = 12972.08 m = 42558.79 ft B at Equ Level: 505.19 J/kg Max Parcel Lev (MPL): 134.11 mb = 14902.61 m = 48892.48 ft Wind level data Storm motion: 171 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 4 150 18 -9.0 15.6 | 123 9 -7.3 4.7 1 1000 103 145 22 -12.6 18.0 | 123 13 -11.0 7.1 2 925 788 145 21 -12.0 17.2 | 121 12 -10.4 6.3 3 850 1518 135 15 -10.6 10.6 | 88 9 -9.0 -0.3 4 700 3163 180 9 0.0 9.0 | 319 3 1.7 -1.9 5 500 5890 115 18 -16.3 7.6 | 77 15 -14.7 -3.3 6 400 7610 160 20 -6.8 18.8 | 147 9 -5.2 7.9 7 300 9720 190 3 0.5 3.0 | 345 8 2.2 -7.9 8 250 10990 80 9 -8.9 -1.6 | 30 14 -7.2 -12.4 9 200 12460 55 26 -21.3 -14.9 | 37 32 -19.6 -25.8 10 150 14240 105 23 -22.2 6.0 | 77 21 -20.6 -4.9 11 100 16640 270 18 18.0 -0.0 | 299 22 19.7 -10.9 Wind Parameters Mean winds (0-6000m): 141.4 at 14.7 knts Storm direction: 171.4 at 11.0 knts Shear (0-3000m) pos: 1.7 neg: 0.9 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): -157.5 deg Storm rel helicity (0-3000m) pos: 1.5 neg: -18.1 tot: -16.6 m^2/s^2 ave: -5.5 10^-3 m/s^2 rel: -0.35 Storm rel vorticity (0-3000m) horiz: 3.8 stream: -1.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 85.46 Bulk Shear: 6.14 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 ------------------------------------------------------------------------------- 500 145 21 123 12| 0.0 3.9 3.9| 0.2 -0.8 -0.5 -1.1 -0.03| 5.1 -0.1 1000 145 21 121 12| 0.0 1.5 1.5| 0.2 -6.6 -6.3 -6.3 -0.27| 3.8 -1.0 1500 143 20 116 11| 0.0 1.8 1.8| 0.2 -17.4 -17.1 -11.4 -0.51| 4.1 -2.1 2000 143 18 112 10| 1.0 1.3 2.3| 1.4 -17.4 -16.0 -8.0 -0.35| 4.1 -1.4 2500 144 17 110 9| 1.5 1.1 2.5| 1.5 -17.5 -16.0 -6.4 -0.30| 4.0 -1.2 3000 146 16 108 8| 1.7 0.9 2.6| 1.5 -18.1 -16.6 -5.5 -0.35| 3.8 -1.3 4000 150 15 107 6| 1.3 0.8 2.1| 2.1 -18.2 -16.0 -4.0 -0.21| 3.5 -0.7 5000 148 14 102 6| 1.0 1.2 2.3| 2.2 -19.6 -17.4 -3.5 -0.19| 3.5 -0.7 6000 141 15 94 8| 0.9 1.5 2.4| 5.1 -27.7 -22.6 -3.8 -0.20| 3.6 -0.7 Wrote GIF file: /home/apache/climate/data/raob//FSSS/skewt/FSSS.skewt.20250608.11.gif