UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041523.upa.cvt Date: 2300Z 15 APR 25 Searching for FSSS... Searching the city database file for: FSSS ... Date:2300Z 15 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 27.2 23.9 82 3.3 24.8 190 5 299.5 302.9 297.6 354.5 18.80 1 1000 89 28.0 23.0 74 5.0 24.3 185 7 301.1 304.4 297.5 354.0 17.96 2 925 778 23.0 18.3 75 4.7 19.7 175 11 302.8 305.5 295.7 345.6 14.46 3 850 1512 18.8 12.8 68 6.0 14.8 250 3 305.8 307.9 294.0 338.9 10.99 4 700 3158 10.6 -0.4 46 11.0 4.6 315 3 314.2 315.2 292.0 331.0 5.31 5 500 5880 -3.5 -27.5 14 24.0 -10.5 120 10 328.8 328.9 292.2 331.7 0.80 6 400 7610 -13.5 -41.5 7 28.0 -18.6 140 12 337.4 337.5 293.9 338.4 0.25 7 300 9730 -30.1 -43.1 27 13.0 -31.7 275 14 343.0 343.0 295.3 344.1 0.28 8 250 11000 -40.5 -55.5 18 15.0 -41.3 225 9 345.9 345.9 295.8 346.2 0.08 9 200 12480 -52.9 -64.9 22 12.0 -53.2 195 19 349.0 349.0 296.4 349.1 0.03 10 150 14270 -67.1 -74.1 36 7.0 -67.1 275 23 354.5 354.5 297.6 354.5 0.01 11 100 16630 -79.5 -88.5 21 9.0 -79.5 70 22 374.1 374.1 301.3 374.1 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5791.00 m Freezing level: 549.65 mb = 5204.33 m = 17074.35 ft Wetbulb zero: 638.50 mb = 3901.95 m = 12801.52 ft Precipitable water: 1.69 inches Sfc-500 mean rel hum: 48.16 % Est. max temperature: 33.15 C = 91.66 F Sfc-Lift cond lev (LCL): 963.20 mb = 420.37 m = 1379.14 ft T: 25.60 C 700-500 lapse rate: 5.18 C/km ThetaE index: 23.52 C Layer 1000.0- 500.0 mb Conv cond level (CCL): 844.73 mb = 1564.76 m = 5133.66 ft Mean mixing ratio: 16.08 g/kg Conv temperature: 33.83 C = 92.89 F Cap Strength: 1.90 C Lifted Index: -0.39 C Risk: Thunderstorms probable Lifted Index @300 mb: -1.47 C Lifted Index @700 mb: 0.15 C Showalter Index: 3.75 C Risk: None Total Totals Index: 38.60 C Risk: None Vertical Totals Index: 22.30 C Cross Totals Index: 16.30 C K Index: 24.10 Risk: 20-40 % chance of thunderstorms Sweat Index: 169.60 Risk: None Energy Index: -1.28 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 245.29 J/kg Max Up Vert Vel: 22.15 m/s Conv Inhibition (B-): 71.16 J/kg Cap Strength: 1.90 C Lift Cond Lev (LCL): 895.85 mb = 1055.97 m = 3464.43 ft Lev Free Conv (LFC): 670.85 mb = 3502.11 m = 11489.74 ft Equ Level (EL): 200.85 mb = 12451.92 m = 40852.26 ft B at Equ Level: 244.31 J/kg Max Parcel Lev (MPL): 140.85 mb = 14636.40 m = 48019.10 ft Wind level data Storm motion: 189 at 4 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 4 190 5 0.9 4.9 | 201 1 0.2 0.5 1 1000 89 185 7 0.6 7.0 | 179 3 -0.1 2.6 2 925 778 175 11 -1.0 11.0 | 166 7 -1.6 6.5 3 850 1512 250 3 2.8 1.0 | 328 4 2.2 -3.4 4 700 3158 315 3 2.1 -2.1 | 347 7 1.5 -6.5 5 500 5880 120 10 -8.7 5.0 | 94 9 -9.3 0.6 6 400 7610 140 12 -7.7 9.2 | 120 10 -8.4 4.8 7 300 9730 275 14 13.9 -1.2 | 293 14 13.3 -5.6 8 250 11000 225 9 6.4 6.4 | 251 6 5.7 2.0 9 200 12480 195 19 4.9 18.4 | 197 15 4.3 13.9 10 150 14270 275 23 22.9 -2.0 | 286 23 22.2 -6.4 11 100 16630 70 22 -20.7 -7.5 | 61 24 -21.3 -11.9 Wind Parameters Mean winds (0-6000m): 158.6 at 5.9 knts Storm direction: 188.6 at 4.5 knts Shear (0-3000m) pos: 2.0 neg: 0.8 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): 143.7 deg Storm rel helicity (0-3000m) pos: 14.7 neg: -1.2 tot: 13.5 m^2/s^2 ave: 4.5 10^-3 m/s^2 rel: 0.54 Storm rel vorticity (0-3000m) horiz: 3.6 stream: 2.0 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 163.74 Bulk Shear: 1.50 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 ------------------------------------------------------------------------------- 500 182 8 174 3| 0.0 4.7 4.7| 0.0 -0.7 -0.7 -1.4 -0.25| 4.8 -1.2 1000 181 9 173 5| 1.6 2.4 4.0| 5.2 -1.2 4.0 4.0 0.22| 5.3 1.2 1500 183 8 177 3| 3.0 1.6 4.6| 12.1 -1.2 10.9 7.3 0.54| 6.2 3.3 2000 190 7 193 2| 2.5 1.2 3.7| 12.6 -1.2 11.4 5.7 0.53| 4.9 2.6 2500 197 6 221 2| 2.2 0.9 3.2| 13.4 -1.2 12.3 4.9 0.53| 4.1 2.2 3000 204 5 250 2| 2.0 0.8 2.8| 14.7 -1.2 13.5 4.5 0.54| 3.6 2.0 4000 217 5 280 2| 1.9 0.6 2.5| 21.8 -1.2 20.6 5.1 0.57| 3.3 1.9 5000 181 5 149 1| 1.5 0.5 1.9| 41.6 -1.2 40.4 8.1 0.66| 3.4 2.2 6000 159 6 112 3| 0.8 0.4 1.2| 64.9 -1.2 63.7 10.6 0.73| 3.6 2.6 Wrote GIF file: /home/apache/climate/data/raob//FSSS/skewt/FSSS.skewt.20250415.23.gif