UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025060411.upa.cvt Date: 1100Z 4 JUN 25 Searching for FSSS... Searching the city database file for: FSSS ... Date:1100Z 4 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 1010 4 28.8 23.9 75 4.9 25.2 160 13 301.1 304.5 298.0 356.5 18.80 1 1000 97 28.0 23.6 77 4.4 24.7 155 10 301.1 304.6 297.9 356.1 18.65 2 925 782 21.4 18.4 83 3.0 19.3 135 17 301.2 303.9 295.3 344.0 14.55 3 850 1512 17.4 15.1 86 2.3 15.8 135 9 304.4 306.7 294.9 342.5 12.80 4 700 3156 11.0 -1.0 43 12.0 4.6 250 13 314.7 315.6 291.9 330.8 5.08 5 500 5890 -4.7 -10.7 63 6.0 -7.3 135 10 327.3 328.0 294.0 338.7 3.38 6 400 7600 -15.1 -47.1 5 32.0 -20.0 295 14 335.4 335.4 293.3 335.9 0.14 7 300 9720 -29.5 -43.5 25 14.0 -31.2 40 31 343.8 343.9 295.5 344.9 0.27 8 250 10990 -40.7 -51.7 30 11.0 -41.4 45 42 345.6 345.6 295.8 346.1 0.13 9 200 12470 -53.3 -63.3 29 10.0 -53.5 45 58 348.4 348.4 296.3 348.5 0.04 10 165 13677 -60.9 -73.6 17 12.7 -61.0 60 64 355.3 355.3 297.8 355.4 0.01 11 150 14260 -64.7 -78.7 13 14.0 -64.8 65 35 358.6 358.6 298.4 358.6 0.01 12 100 16650 -76.3 -87.3 16 11.0 -76.3 80 8 380.3 380.3 302.3 380.3 0.00 TRP WND 165 13677 -60.9 -73.6 17 12.7 -61.0 60 64 355.3 355.3 297.8 355.4 0.01 Sounding variables and indices 1000-500 mb thick: 5793.00 m Freezing level: 559.87 mb = 5071.54 m = 16638.71 ft Wetbulb zero: 622.82 mb = 4105.24 m = 13468.46 ft Precipitable water: 1.92 inches Sfc-500 mean rel hum: 63.42 % Est. max temperature: 31.65 C = 88.97 F Sfc-Lift cond lev (LCL): 941.11 mb = 630.31 m = 2067.92 ft T: 22.86 C 700-500 lapse rate: 5.74 C/km ThetaE index: 25.69 C Layer 1000.0- 500.0 mb Conv cond level (CCL): 894.24 mb = 1073.99 m = 3523.54 ft Mean mixing ratio: 16.45 g/kg Conv temperature: 30.18 C = 86.33 F Cap Strength: 0.54 C Lifted Index: -1.61 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.93 C Lifted Index @700 mb: 0.49 C Showalter Index: 1.08 C Risk: Showers probable Total Totals Index: 41.90 C Risk: None Vertical Totals Index: 22.10 C Cross Totals Index: 19.80 C K Index: 25.20 Risk: 40-60 % chance of thunderstorms Sweat Index: 209.20 Risk: None Energy Index: -0.74 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 450.01 J/kg Max Up Vert Vel: 30.00 m/s Conv Inhibition (B-): 4.66 J/kg Cap Strength: 0.54 C Lift Cond Lev (LCL): 910.84 mb = 915.14 m = 3002.39 ft Lev Free Conv (LFC): 865.84 mb = 1352.56 m = 4437.46 ft Equ Level (EL): 785.84 mb = 2176.50 m = 7140.67 ft B at Equ Level: 5.09 J/kg Max Parcel Lev (MPL): 715.84 mb = 2966.48 m = 9732.43 ft Wind level data Storm motion: 209 at 9 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 13 -4.4 12.2 | 117 10 -8.7 4.5 1 1000 97 155 10 -4.2 9.1 | 99 9 -8.5 1.3 2 925 782 135 17 -12.0 12.0 | 105 17 -16.3 4.3 3 850 1512 135 9 -6.4 6.4 | 83 11 -10.6 -1.4 4 700 3156 250 13 12.2 4.4 | 292 9 8.0 -3.3 5 500 5890 135 10 -7.1 7.1 | 87 11 -11.3 -0.6 6 400 7600 295 14 12.7 -5.9 | 328 16 8.5 -13.6 7 300 9720 40 31 -19.9 -23.7 | 38 40 -24.2 -31.5 8 250 10990 45 42 -29.7 -29.7 | 42 51 -33.9 -37.4 9 200 12470 45 58 -41.0 -41.0 | 43 66 -45.2 -48.7 10 165 13677 60 64 -55.4 -32.0 | 56 72 -59.7 -39.7 11 150 14260 65 35 -31.7 -14.8 | 58 42 -36.0 -22.5 12 100 16650 80 8 -7.9 -1.4 | 53 15 -12.1 -9.1 Wind Parameters Mean winds (0-6000m): 178.7 at 11.7 knts Storm direction: 208.7 at 8.8 knts Shear (0-3000m) pos: 3.0 neg: 1.0 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): 163.5 deg Storm rel helicity (0-3000m) pos: 24.6 neg: -25.7 tot: -1.1 m^2/s^2 ave: -0.4 10^-3 m/s^2 rel: 0.22 Storm rel vorticity (0-3000m) horiz: 6.7 stream: 1.4 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 96.30 Bulk Shear: 4.67 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 ------------------------------------------------------------------------------- 500 150 12 104 11| 0.0 4.3 4.3| 3.1 -6.9 -3.8 -7.7 -0.22| 8.1 -1.8 1000 142 14 104 13| 0.0 3.2 3.2| 3.1 -13.5 -10.4 -10.4 -0.25| 7.0 -1.7 1500 140 13 100 13| 0.0 2.1 2.1| 3.1 -25.7 -22.6 -15.1 -0.37| 6.5 -2.4 2000 142 12 100 12| 1.5 1.6 3.1| 12.5 -25.7 -13.2 -6.6 -0.12| 6.4 -0.8 2500 150 12 104 11| 2.4 1.3 3.7| 18.3 -25.7 -7.4 -3.0 0.08| 6.5 0.5 3000 159 12 112 9| 3.0 1.0 4.0| 24.6 -25.7 -1.1 -0.4 0.22| 6.7 1.4 4000 180 12 136 6| 2.2 0.8 3.1| 27.0 -33.7 -6.7 -1.7 0.09| 6.2 0.5 5000 183 12 141 6| 1.8 1.5 3.3| 27.0 -41.5 -14.6 -2.9 -0.06| 5.9 -0.3 6000 179 12 132 6| 1.5 1.6 3.1| 30.5 -52.8 -22.3 -3.7 -0.10| 5.6 -0.6 Wrote GIF file: /home/apache/climate/data/raob//FSSS/skewt/FSSS.skewt.20250604.11.gif