UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025061511.upa.cvt Date: 1100Z 15 JUN 25 Searching for FSSS... Searching the city database file for: FSSS ... Date:1100Z 15 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 28.6 21.6 66 7.0 23.6 170 19 300.8 303.8 296.3 348.6 16.27 1 1000 104 26.2 22.0 78 4.2 23.2 160 20 299.4 302.4 296.3 348.6 16.87 2 925 786 20.6 17.0 80 3.6 18.1 160 24 300.4 302.8 294.1 339.3 13.29 3 850 1513 17.6 11.6 68 6.0 13.7 150 15 304.6 306.5 293.0 334.9 10.15 4 700 3148 8.4 1.4 61 7.0 4.5 280 22 311.8 312.9 291.9 330.7 6.06 5 500 5870 -5.3 -46.3 2 41.0 -12.7 160 12 326.6 326.6 290.9 327.0 0.12 6 400 7600 -13.1 -51.1 3 38.0 -18.7 100 14 338.0 338.0 293.9 338.3 0.09 7 300 9720 -30.1 -45.1 22 15.0 -31.8 80 20 343.0 343.0 295.3 343.9 0.23 8 250 10990 -39.5 -58.5 12 19.0 -40.5 105 25 347.3 347.4 296.1 347.6 0.06 9 200 12470 -52.7 -55.7 70 3.0 -52.8 65 35 349.3 349.3 296.5 349.7 0.10 10 168 13572 -59.4 -68.4 30 9.1 -59.5 65 66 356.1 356.1 298.0 356.2 0.02 11 150 14270 -63.7 -76.7 15 13.0 -63.8 55 28 360.3 360.3 298.8 360.4 0.01 12 100 16650 -79.9 -84.8 44 4.9 -79.9 60 12 373.4 373.4 301.1 373.4 0.00 TRP WND 168 13572 -59.4 -68.4 30 9.1 -59.5 65 66 356.1 356.1 298.0 356.2 0.02 Sounding variables and indices 1000-500 mb thick: 5766.00 m Freezing level: 577.37 mb = 4816.96 m = 15803.50 ft Wetbulb zero: 647.39 mb = 3780.08 m = 12401.67 ft Precipitable water: 1.60 inches Sfc-500 mean rel hum: 51.74 % Est. max temperature: 31.74 C = 89.14 F Sfc-Lift cond lev (LCL): 913.55 mb = 893.09 m = 2930.06 ft T: 20.16 C 700-500 lapse rate: 5.03 C/km ThetaE index: 21.57 C Layer 925.0- 400.0 mb Conv cond level (CCL): 846.78 mb = 1544.99 m = 5068.79 ft Mean mixing ratio: 14.93 g/kg Conv temperature: 32.53 C = 90.55 F Cap Strength: 1.41 C Lifted Index: -0.05 C Risk: Thunderstorms probable Lifted Index @300 mb: 1.76 C Lifted Index @700 mb: -0.41 C Showalter Index: 3.65 C Risk: None Total Totals Index: 39.80 C Risk: None Vertical Totals Index: 22.90 C Cross Totals Index: 16.90 C K Index: 27.50 Risk: 40-60 % chance of thunderstorms Sweat Index: 181.20 Risk: None Energy Index: -1.35 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 44.42 J/kg Max Up Vert Vel: 9.43 m/s Conv Inhibition (B-): 59.60 J/kg Cap Strength: 1.43 C Lift Cond Lev (LCL): 906.10 mb = 963.52 m = 3161.11 ft Lev Free Conv (LFC): 731.10 mb = 2781.97 m = 9127.07 ft Equ Level (EL): 491.10 mb = 6009.29 m = 19715.27 ft B at Equ Level: 43.58 J/kg Max Parcel Lev (MPL): 421.10 mb = 7201.51 m = 23626.71 ft Wind level data Storm motion: 238 at 14 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 19 -3.3 18.7 | 128 19 -14.8 11.4 1 1000 104 160 20 -6.8 18.8 | 122 22 -18.4 11.5 2 925 786 160 24 -8.2 22.6 | 128 25 -19.7 15.3 3 850 1513 150 15 -7.5 13.0 | 107 20 -19.0 5.7 4 700 3148 280 22 21.7 -3.8 | 318 15 10.2 -11.1 5 500 5870 160 12 -4.1 11.3 | 104 16 -15.6 4.0 6 400 7600 100 14 -13.8 2.4 | 79 26 -25.3 -4.9 7 300 9720 80 20 -19.7 -3.5 | 71 33 -31.2 -10.8 8 250 10990 105 25 -24.1 6.5 | 89 36 -35.7 -0.8 9 200 12470 65 35 -31.7 -14.8 | 63 49 -43.2 -22.1 10 168 13572 65 66 -59.8 -27.9 | 64 80 -71.3 -35.2 11 150 14270 55 28 -22.9 -16.1 | 56 42 -34.4 -23.4 12 100 16650 60 12 -10.4 -6.0 | 59 26 -21.9 -13.3 Wind Parameters Mean winds (0-6000m): 207.6 at 18.2 knts Storm direction: 237.6 at 13.6 knts Shear (0-3000m) pos: 5.4 neg: 1.2 tot: 6.6 10-3/s Storm rel Dir Shear (0-3000m): 176.8 deg Storm rel helicity (0-3000m) pos: 101.0 neg: -56.8 tot: 44.2 m^2/s^2 ave: 14.7 10^-3 m/s^2 rel: 0.44 Storm rel vorticity (0-3000m) horiz: 9.4 stream: 4.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.37 Bulk Shear: 32.49 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 ------------------------------------------------------------------------------- 500 161 21 124 22| 0.0 5.1 5.1| 8.3 -10.4 -2.1 -4.2 -0.10| 6.1 -0.6 1000 160 22 125 23| 0.0 2.6 2.6| 12.7 -24.9 -12.1 -12.1 -0.21| 5.2 -1.1 1500 159 21 122 22| 0.0 2.4 2.4| 12.7 -56.8 -44.1 -29.4 -0.47| 5.7 -2.7 2000 161 20 122 21| 2.8 1.8 4.6| 50.8 -56.8 -6.0 -3.0 0.03| 7.1 0.2 2500 169 19 128 19| 4.5 1.4 6.0| 75.7 -56.8 18.9 7.6 0.29| 8.3 2.4 3000 179 19 135 17| 5.4 1.2 6.6|101.0 -56.8 44.2 14.7 0.44| 9.4 4.1 4000 203 20 160 12| 4.1 1.2 5.2|109.6 -79.2 30.3 7.6 0.25| 9.2 2.2 5000 209 19 166 10| 3.2 2.3 5.6|109.6 -98.1 11.5 2.3 0.07| 8.7 0.6 6000 208 18 161 9| 2.7 2.7 5.4|109.6-125.3 -15.7 -2.6 -0.02| 8.2 -0.2 Wrote GIF file: /home/apache/climate/data/raob//FSSS/skewt/FSSS.skewt.20250615.11.gif