UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025053012.upa.cvt Date: 1200Z 30 MAY 25 Searching for FSSS... Searching the city database file for: FSSS ... Date:1200Z 30 MAY 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 28.2 21.2 66 7.0 23.2 170 13 300.4 303.3 296.0 346.9 15.87 1 1000 100 26.8 20.8 70 6.0 22.5 175 19 300.0 302.8 295.7 345.7 15.65 2 925 784 20.2 19.7 97 0.5 19.9 160 17 300.0 302.9 295.8 346.2 15.81 3 850 1514 17.8 9.8 59 8.0 12.8 185 11 304.8 306.5 292.2 331.7 8.98 4 700 3163 11.8 -21.2 8 33.0 0.0 235 14 315.6 315.7 288.4 319.0 1.00 5 500 5890 -4.1 -10.1 63 6.0 -6.8 320 1 328.0 328.7 294.3 340.0 3.55 6 400 7620 -14.5 -28.5 29 14.0 -18.1 135 14 336.1 336.3 294.2 339.5 0.91 7 300 9730 -31.3 -38.3 50 7.0 -32.3 90 4 341.3 341.4 295.1 343.1 0.47 8 250 10990 -40.7 -53.7 23 13.0 -41.5 100 12 345.6 345.6 295.7 346.0 0.10 9 200 12470 -52.7 -56.9 60 4.2 -52.8 45 30 349.3 349.3 296.5 349.7 0.09 10 150 14270 -67.3 -72.0 51 4.7 -67.4 50 60 354.2 354.2 297.5 354.2 0.02 11 131 15085 -70.5 -77.0 38 6.5 -70.5 70 96 362.4 362.4 299.2 362.4 0.01 12 100 16670 -76.9 -86.9 19 10.0 -76.9 115 43 379.1 379.1 302.1 379.2 0.00 TRP WND 131 15085 -70.5 -77.0 38 6.5 -70.5 70 96 362.4 362.4 299.2 362.4 0.01 Sounding variables and indices 1000-500 mb thick: 5790.00 m Freezing level: 551.57 mb = 5186.81 m = 17016.89 ft Wetbulb zero: 699.42 mb = 3169.74 m = 10399.27 ft Precipitable water: 1.50 inches Sfc-500 mean rel hum: 45.99 % Est. max temperature: 31.86 C = 89.34 F Sfc-Lift cond lev (LCL): 913.45 mb = 892.46 m = 2927.97 ft T: 19.84 C 700-500 lapse rate: 5.83 C/km ThetaE index: 27.24 C Layer 850.0- 500.0 mb Conv cond level (CCL): 877.54 mb = 1238.73 m = 4064.03 ft Mean mixing ratio: 15.63 g/kg Conv temperature: 30.76 C = 87.37 F Cap Strength: 2.35 C Lifted Index: 0.39 C Risk: Showers probable Lifted Index @300 mb: -0.62 C Lifted Index @700 mb: 2.35 C Showalter Index: 6.31 C Risk: None Total Totals Index: 35.80 C Risk: None Vertical Totals Index: 21.90 C Cross Totals Index: 13.90 C K Index: -1.30 Risk: None Sweat Index: 140.60 Risk: None Energy Index: 1.70 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 34.83 J/kg Max Up Vert Vel: 8.35 m/s Conv Inhibition (B-): 254.67 J/kg Cap Strength: 2.33 C Lift Cond Lev (LCL): 915.43 mb = 873.80 m = 2866.76 ft Lev Free Conv (LFC): 370.43 mb = 8183.32 m = 26847.82 ft Equ Level (EL): 270.43 mb = 10447.17 m = 34275.07 ft B at Equ Level: 33.11 J/kg Max Parcel Lev (MPL): 230.43 mb = 11530.68 m = 37829.85 ft Wind level data Storm motion: 236 at 8 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 4 170 13 -2.3 12.8 | 133 12 -8.9 8.2 1 1000 100 175 19 -1.7 18.9 | 150 17 -8.3 14.4 2 925 784 160 17 -5.8 16.0 | 132 17 -12.5 11.4 3 850 1514 185 11 1.0 11.0 | 138 9 -5.7 6.4 4 700 3163 235 14 11.5 8.0 | 234 6 4.8 3.5 5 500 5890 320 1 0.6 -0.8 | 48 8 -6.0 -5.3 6 400 7620 135 14 -9.9 9.9 | 108 17 -16.6 5.3 7 300 9730 90 4 -4.0 0.0 | 67 12 -10.7 -4.6 8 250 10990 100 12 -11.8 2.1 | 82 19 -18.5 -2.5 9 200 12470 45 30 -21.2 -21.2 | 47 38 -27.9 -25.8 10 150 14270 50 60 -46.0 -38.6 | 51 68 -52.6 -43.1 11 131 15085 70 96 -90.2 -32.8 | 69 104 -96.9 -37.4 12 100 16670 115 43 -39.0 18.2 | 107 48 -45.6 13.6 Wind Parameters Mean winds (0-6000m): 205.6 at 10.8 knts Storm direction: 235.6 at 8.1 knts Shear (0-3000m) pos: 2.9 neg: 0.8 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 89.9 deg Storm rel helicity (0-3000m) pos: 37.9 neg: -22.2 tot: 15.7 m^2/s^2 ave: 5.2 10^-3 m/s^2 rel: 0.35 Storm rel vorticity (0-3000m) horiz: 5.1 stream: 1.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 2.21 Bulk Shear: 15.76 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 ------------------------------------------------------------------------------- 500 171 18 144 16| 0.0 5.1 5.1| 15.7 -13.4 2.2 4.5 0.13| 9.5 1.3 1000 167 17 140 16| 1.4 2.5 3.9| 19.2 -22.0 -2.9 -2.9 0.01| 7.1 0.1 1500 169 16 139 15| 2.8 1.7 4.5| 21.4 -22.2 -0.9 -0.6 0.04| 6.7 0.3 2000 173 15 141 13| 2.7 1.3 3.9| 27.0 -22.2 4.8 2.4 0.15| 5.8 0.9 2500 179 14 145 12| 2.8 1.0 3.8| 32.4 -22.2 10.2 4.1 0.26| 5.3 1.4 3000 186 14 152 11| 2.9 0.8 3.8| 37.9 -22.2 15.7 5.2 0.35| 5.1 1.8 4000 199 14 165 9| 2.7 0.6 3.4| 47.7 -22.2 25.5 6.4 0.48| 4.8 2.3 5000 205 12 169 7| 2.2 0.5 2.7| 56.2 -22.2 34.0 6.8 0.54| 4.5 2.4 6000 206 11 159 6| 1.7 0.4 2.1| 64.6 -23.7 40.9 6.8 0.56| 4.2 2.3 Wrote GIF file: /home/apache/climate/data/raob//FSSS/skewt/FSSS.skewt.20250530.12.gif