UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041611.upa.cvt Date: 1100Z 16 APR 25 Searching for FSSS... Searching the city database file for: FSSS ... Date:1100Z 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 29.8 24.8 75 5.0 26.0 160 3 302.1 305.7 298.9 360.9 19.88 1 1000 89 28.6 23.6 74 5.0 24.9 155 3 301.8 305.2 298.1 356.8 18.65 2 925 778 23.0 20.7 87 2.3 21.3 170 1 302.8 305.9 297.2 352.7 16.84 3 850 1512 18.8 15.9 83 2.9 16.8 270 7 305.8 308.4 295.8 346.3 13.49 4 700 3157 9.4 5.2 75 4.2 6.9 270 3 312.9 314.4 293.7 337.6 7.95 5 500 5880 -3.1 -29.1 11 26.0 -10.4 160 7 329.3 329.4 292.2 331.8 0.69 6 400 7620 -13.5 -34.5 15 21.0 -18.1 165 9 337.4 337.5 294.1 339.4 0.51 7 300 9730 -29.9 -49.9 13 20.0 -31.9 200 11 343.2 343.3 295.2 343.8 0.13 8 250 11010 -40.1 -61.1 9 21.0 -41.1 150 23 346.4 346.5 295.9 346.6 0.04 9 200 12490 -52.5 -67.5 15 15.0 -52.8 175 14 349.6 349.6 296.5 349.7 0.02 10 150 14290 -66.3 -77.3 20 11.0 -66.4 285 18 355.9 355.9 297.9 355.9 0.01 11 113 15949 -79.5 -83.0 56 3.5 -79.5 35 21 361.3 361.3 299.0 361.3 0.00 12 100 16640 -80.3 -87.3 30 7.0 -80.3 90 11 372.6 372.6 301.0 372.6 0.00 TRP 113 15949 -79.5 -83.0 56 3.5 -79.5 35 21 361.3 361.3 299.0 361.3 0.00 WND Sounding variables and indices 1000-500 mb thick: 5791.00 m Freezing level: 549.60 mb = 5204.70 m = 17075.57 ft Wetbulb zero: 620.25 mb = 4135.95 m = 13569.21 ft Precipitable water: 2.06 inches Sfc-500 mean rel hum: 62.75 % Est. max temperature: 33.15 C = 91.66 F Sfc-Lift cond lev (LCL): 939.92 mb = 636.57 m = 2088.46 ft T: 24.15 C 700-500 lapse rate: 4.59 C/km ThetaE index: 29.15 C Layer 1000.0- 400.0 mb Conv cond level (CCL): 884.57 mb = 1165.95 m = 3825.24 ft Mean mixing ratio: 17.69 g/kg Conv temperature: 32.14 C = 89.85 F Cap Strength: 0.96 C Lifted Index: -1.83 C Risk: Thunderstorms probable Lifted Index @300 mb: -4.08 C Lifted Index @700 mb: -2.46 C Showalter Index: 1.22 C Risk: Showers probable Total Totals Index: 40.90 C Risk: None Vertical Totals Index: 21.90 C Cross Totals Index: 19.00 C K Index: 33.60 Risk: 60-80 % chance of thunderstorms Sweat Index: 211.80 Risk: None Energy Index: -2.75 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1220.37 J/kg Max Up Vert Vel: 49.40 m/s Conv Inhibition (B-): 12.23 J/kg Cap Strength: 0.96 C Lift Cond Lev (LCL): 911.11 mb = 909.35 m = 2983.39 ft Lev Free Conv (LFC): 846.11 mb = 1550.87 m = 5088.10 ft Equ Level (EL): 156.11 mb = 14040.23 m = 46063.18 ft B at Equ Level: 1215.51 J/kg Wind level data Storm motion: 252 at 3 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 4 160 3 -1.0 2.8 | 112 5 -4.3 1.7 1 1000 89 155 3 -1.3 2.7 | 110 5 -4.5 1.6 2 925 778 170 1 -0.2 1.0 | 88 3 -3.4 -0.1 3 850 1512 270 7 7.0 -0.0 | 286 4 3.7 -1.1 4 700 3157 270 3 3.0 -0.0 | 13 1 -0.3 -1.1 5 500 5880 160 7 -2.4 6.6 | 134 8 -5.6 5.5 6 400 7620 165 9 -2.3 8.7 | 144 9 -5.6 7.6 7 300 9730 200 11 3.8 10.3 | 183 9 0.5 9.3 8 250 11010 150 23 -11.5 19.9 | 142 24 -14.8 18.8 9 200 12490 175 14 -1.2 13.9 | 161 14 -4.5 12.9 10 150 14290 285 18 17.4 -4.7 | 292 15 14.1 -5.7 11 113 15949 35 21 -12.0 -17.2 | 40 24 -15.3 -18.3 12 100 16640 90 11 -11.0 0.0 | 86 14 -14.3 -1.1 Wind Parameters Mean winds (0-6000m): 221.7 at 4.6 knts Storm direction: 251.7 at 3.4 knts Shear (0-3000m) pos: 1.3 neg: 0.4 tot: 1.7 10-3/s Storm rel Dir Shear (0-3000m): -118.4 deg Storm rel helicity (0-3000m) pos: 6.5 neg: -1.5 tot: 5.0 m^2/s^2 ave: 1.7 10^-3 m/s^2 rel: 0.61 Storm rel vorticity (0-3000m) horiz: 2.6 stream: 1.5 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 544.89 Bulk Shear: 2.24 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 ------------------------------------------------------------------------------- 500 158 3 107 4| 1.3 0.0 1.3| 0.0 -1.1 -1.1 -2.1 -0.63| 1.5 -1.0 1000 165 2 104 4| 1.1 0.0 1.1| 1.5 -1.5 -0.1 -0.1 0.09| 2.1 0.2 1500 225 3 133 2| 2.9 0.0 2.9| 5.4 -1.5 3.9 2.6 0.61| 3.9 2.4 2000 249 4 232 0| 1.9 0.0 1.9| 5.9 -1.5 4.3 2.2 0.59| 3.2 1.9 2500 256 4 277 1| 1.5 0.3 1.8| 6.2 -1.5 4.7 1.9 0.59| 2.8 1.7 3000 259 4 291 1| 1.3 0.4 1.7| 6.5 -1.5 5.0 1.7 0.61| 2.6 1.5 4000 258 4 290 1| 1.0 0.4 1.4| 6.6 -1.7 4.9 1.2 0.46| 2.3 1.0 5000 244 4 215 1| 0.8 0.7 1.5| 6.6 -3.1 3.5 0.7 0.30| 2.2 0.7 6000 222 5 175 2| 0.6 0.9 1.5| 6.8 -7.7 -0.8 -0.1 0.15| 2.2 0.3 Wrote GIF file: /home/apache/climate/data/raob//FSSS/skewt/FSSS.skewt.20250416.11.gif