UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025060911.upa.cvt Date: 1100Z 9 JUN 25 Searching for FSSS... Searching the city database file for: FSSS ... Date:1100Z 9 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 27.2 23.9 82 3.3 24.8 150 17 299.4 302.8 297.5 354.4 18.78 1 1000 102 26.2 23.5 85 2.7 24.2 145 15 299.4 302.7 297.4 353.5 18.53 2 925 785 21.0 19.9 93 1.1 20.2 135 21 300.8 303.7 296.1 347.8 16.01 3 850 1516 17.4 15.8 90 1.6 16.3 120 19 304.4 306.9 295.4 344.3 13.40 4 700 3159 10.0 -15.0 16 25.0 0.1 165 7 313.6 313.9 288.5 319.2 1.70 5 500 5890 -3.5 -21.5 23 18.0 -9.5 150 15 328.8 329.0 292.7 333.6 1.37 6 400 7610 -15.5 -28.5 32 13.0 -18.7 145 21 334.8 335.0 293.9 338.2 0.91 7 300 9720 -31.3 -51.3 12 20.0 -33.1 170 14 341.3 341.3 294.7 341.7 0.11 8 250 10980 -42.5 -48.5 52 6.0 -42.9 160 12 342.9 342.9 295.2 343.6 0.19 9 200 12450 -54.7 -62.7 37 8.0 -54.9 85 13 346.1 346.2 295.8 346.3 0.04 10 150 14250 -66.1 -79.1 15 13.0 -66.2 100 26 356.2 356.2 298.0 356.2 0.01 11 100 16620 -78.7 -85.7 31 7.0 -78.7 280 15 375.7 375.7 301.5 375.7 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5788.00 m Freezing level: 551.85 mb = 5181.96 m = 17000.98 ft Wetbulb zero: 698.37 mb = 3177.93 m = 10426.16 ft Precipitable water: 1.66 inches Sfc-500 mean rel hum: 46.12 % Est. max temperature: 31.63 C = 88.93 F Sfc-Lift cond lev (LCL): 964.15 mb = 421.81 m = 1383.87 ft T: 23.77 C 700-500 lapse rate: 4.94 C/km ThetaE index: 35.18 C Layer 1000.0- 500.0 mb Conv cond level (CCL): 925.88 mb = 776.68 m = 2548.14 ft Mean mixing ratio: 17.20 g/kg Conv temperature: 28.56 C = 83.41 F Cap Strength: 0.44 C Lifted Index: -0.77 C Risk: Thunderstorms probable Lifted Index @300 mb: -3.25 C Lifted Index @700 mb: -0.74 C Showalter Index: 1.58 C Risk: Showers probable Total Totals Index: 40.20 C Risk: None Vertical Totals Index: 20.90 C Cross Totals Index: 19.30 C K Index: 11.70 Risk: None Sweat Index: 242.60 Risk: None Energy Index: -2.03 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 929.89 J/kg Max Up Vert Vel: 43.13 m/s Conv Inhibition (B-): 1.10 J/kg Cap Strength: 0.44 C Lift Cond Lev (LCL): 934.65 mb = 694.11 m = 2277.23 ft Lev Free Conv (LFC): 909.65 mb = 929.69 m = 3050.13 ft Equ Level (EL): 169.65 mb = 13479.87 m = 44224.74 ft B at Equ Level: 913.39 J/kg Wind level data Storm motion: 172 at 10 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 17 -8.5 14.7 | 124 8 -7.0 4.7 1 1000 102 145 15 -8.6 12.3 | 108 7 -7.1 2.3 2 925 785 135 21 -14.8 14.8 | 110 14 -13.4 4.8 3 850 1516 120 19 -16.5 9.5 | 88 15 -15.0 -0.5 4 700 3159 165 7 -1.8 6.8 | 6 3 -0.3 -3.3 5 500 5890 150 15 -7.5 13.0 | 116 7 -6.0 3.0 6 400 7610 145 21 -12.0 17.2 | 124 13 -10.6 7.2 7 300 9720 170 14 -2.4 13.8 | 166 4 -1.0 3.8 8 250 10980 160 12 -4.1 11.3 | 115 3 -2.6 1.2 9 200 12450 85 13 -13.0 -1.1 | 46 16 -11.5 -11.2 10 150 14250 100 26 -25.6 4.5 | 77 25 -24.1 -5.5 11 100 16620 280 15 14.8 -2.6 | 308 21 16.2 -12.6 Wind Parameters Mean winds (0-6000m): 141.7 at 13.5 knts Storm direction: 171.7 at 10.1 knts Shear (0-3000m) pos: 2.4 neg: 1.6 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): -96.3 deg Storm rel helicity (0-3000m) pos: 4.9 neg: -29.8 tot: -24.9 m^2/s^2 ave: -8.3 10^-3 m/s^2 rel: -0.35 Storm rel vorticity (0-3000m) horiz: 5.0 stream: -1.7 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 724.86 Bulk Shear: 1.28 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 ------------------------------------------------------------------------------- 500 143 17 111 9| 0.0 3.8 3.8| 1.0 -4.7 -3.6 -7.3 -0.28| 6.5 -1.9 1000 138 18 109 11| 0.0 3.7 3.7| 1.0 -11.7 -10.7 -10.7 -0.34| 5.6 -1.9 1500 134 19 104 12| 0.0 3.2 3.2| 1.0 -26.2 -25.2 -16.8 -0.51| 5.0 -2.5 2000 132 18 101 12| 1.4 2.4 3.8| 4.7 -26.2 -21.5 -10.7 -0.32| 5.1 -1.6 2500 133 17 99 12| 2.1 1.9 4.0| 4.9 -27.1 -22.2 -8.9 -0.27| 5.1 -1.4 3000 133 16 96 10| 2.4 1.6 4.0| 4.9 -29.8 -24.9 -8.3 -0.35| 5.0 -1.7 4000 136 14 92 8| 1.8 1.2 3.1| 6.2 -30.6 -24.4 -6.1 -0.28| 4.2 -1.2 5000 140 14 92 7| 1.5 1.1 2.6| 7.7 -30.6 -22.8 -4.6 -0.19| 3.7 -0.7 6000 142 14 95 7| 1.2 1.1 2.4| 9.0 -30.6 -21.6 -3.6 -0.15| 3.4 -0.5 Wrote GIF file: /home/apache/climate/data/raob//FSSS/skewt/FSSS.skewt.20250609.11.gif