UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101412.upa.cvt Date: 1200Z 14 OCT 25 Searching for FK870... Searching the city database file for: FK870 ... Date:1200Z 14 OCT 25 Station: FK870 WMO ident: 64870 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 84 1 920 -10522 SFC 893 -5877 26.6 19.6 65 7.0 21.5 0 0 309.6 312.7 298.5 359.2 16.29 3 850 1534 21.8 13.8 60 8.0 16.4 80 9 309.0 311.2 295.4 344.7 11.75 4 790 2165 17.4 9.4 59 8.0 12.3 90 19 310.8 312.6 294.3 339.7 9.41 5 700 3186 9.6 4.7 71 4.9 6.7 90 24 313.1 314.6 293.6 337.0 7.67 6 500 5890 -5.3 -9.9 70 4.6 -7.3 115 16 326.6 327.3 294.0 338.7 3.61 7 400 7610 -15.7 -20.7 65 5.0 -17.3 120 9 334.6 335.0 294.6 341.1 1.84 8 300 9720 -31.1 -40.1 41 9.0 -32.3 140 10 341.5 341.6 295.1 343.1 0.39 9 250 10980 -41.9 -51.9 33 10.0 -42.5 110 6 343.8 343.8 295.3 344.3 0.13 10 200 12450 -54.3 -58.5 60 4.2 -54.4 75 2 346.8 346.8 296.0 347.1 0.07 11 150 14230 -69.1 -72.0 66 2.9 -69.1 55 4 351.1 351.1 296.9 351.1 0.02 12 100 16570 -79.7 -82.4 64 2.7 -79.7 155 25 373.7 373.7 301.2 373.8 0.00 13 87 17373 -72.7 403.0 14 80 17863 -75.3 407.4 15 75 18238 -73.7 418.4 16 66 18983 -74.7 431.8 17 52 20404 -64.7 485.5 18 51 20523 -64.3 489.2 19 50 20644 -64.9 490.5 20 41 21840 -69.7 507.2 21 34 22975 -62.5 554.1 22 34 22975 -62.5 554.1 23 28 24165 -65.3 577.9 24 28 24165 -65.3 577.9 25 22 25673 -54.3 651.9 26 18 26966 -51.9 698.0 27 16 27727 -53.1 718.0 28 15 28144 -51.9 735.4 TRP 790 2165 17.4 9.4 59 8.0 12.3 90 19 310.8 312.6 294.3 339.7 9.41 WND Sounding variables and indices 1000-500 mb thick: 5806.00 m Freezing level: 571.14 mb = 4928.17 m = 16168.36 ft Wetbulb zero: 604.52 mb = 4364.49 m = 14319.03 ft Precipitable water: 1.40 inches Sfc-500 mean rel hum: 67.60 % Est. max temperature: 28.92 C = 84.06 F Sfc-Lift cond lev (LCL): 806.49 mb = 1987.08 m = 6519.21 ft T: 18.64 C 700-500 lapse rate: 5.51 C/km ThetaE index: 22.19 C Layer 850.0- 500.0 mb Conv cond level (CCL): 723.29 mb = 2909.76 m = 9546.34 ft Mean mixing ratio: 12.04 g/kg Conv temperature: 29.41 C = 84.94 F Cap Strength: 1.97 C Lifted Index: -0.98 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.68 C Lifted Index @700 mb: 0.03 C Showalter Index: -0.40 C Risk: Thunderstorms probable Total Totals Index: 46.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.10 C Cross Totals Index: 19.10 C K Index: 36.00 Risk: > 80 % chance of thunderstorms Sweat Index: 199.60 Risk: None Energy Index: -1.23 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 331.35 J/kg Max Up Vert Vel: 25.74 m/s Conv Inhibition (B-): 47.45 J/kg Cap Strength: 1.97 C Lift Cond Lev (LCL): 752.95 mb = 2570.59 m = 8433.59 ft Lev Free Conv (LFC): 687.95 mb = 3325.54 m = 10910.42 ft Equ Level (EL): 217.95 mb = 11883.78 m = 38988.30 ft B at Equ Level: 329.64 J/kg Max Parcel Lev (MPL): 127.95 mb = 15147.56 m = 49696.11 ft Wind level data Storm motion: 114 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 ---------------------------------------------------------- 0 893 -5877 0 0 -0.0 -0.0 | 294 3 2.5 -1.1 1 850 1534 80 9 -8.9 -1.6 | 67 7 -6.4 -2.7 2 790 2165 90 19 -19.0 0.0 | 86 17 -16.5 -1.1 3 700 3186 90 24 -24.0 0.0 | 87 22 -21.5 -1.1 4 500 5890 115 16 -14.5 6.8 | 115 13 -12.0 5.7 5 400 7610 120 9 -7.8 4.5 | 123 6 -5.3 3.4 6 300 9720 140 10 -6.4 7.7 | 149 8 -3.9 6.6 7 250 10980 110 6 -5.6 2.1 | 107 3 -3.1 1.0 8 200 12450 75 2 -1.9 -0.5 | 341 2 0.6 -1.6 9 150 14230 55 4 -3.3 -2.3 | 13 3 -0.8 -3.4 10 100 16570 155 25 -10.6 22.7 | 159 23 -8.1 21.6 Wind Parameters Mean winds (0-6000m): 83.6 at 3.6 knts Storm direction: 113.6 at 2.7 knts Shear (0-3000m) pos: 0.6 neg: 0.0 tot: 0.6 10-3/s Storm rel Dir Shear (0-3000m): 59.0 deg Storm rel helicity (0-3000m) pos: 3.2 neg: 0.0 tot: 3.2 m^2/s^2 ave: 1.1 10^-3 m/s^2 rel: 0.92 Storm rel vorticity (0-3000m) horiz: 0.7 stream: 0.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 205.63 Bulk Shear: 1.61 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 ------------------------------------------------------------------------------- 500 131 0 292 3| 0.6 0.0 0.6| 0.4 0.0 0.4 0.8 0.91| 0.6 0.6 1000 130 1 290 2| 0.6 0.0 0.6| 0.9 0.0 0.9 0.9 0.91| 0.6 0.6 1500 129 1 287 2| 0.6 0.0 0.6| 1.4 0.0 1.4 0.9 0.92| 0.6 0.6 2000 126 1 285 2| 0.6 0.0 0.6| 1.9 0.0 1.9 1.0 0.92| 0.6 0.6 2500 123 1 284 1| 0.6 0.0 0.6| 2.6 0.0 2.6 1.0 0.92| 0.6 0.6 3000 117 2 287 1| 0.6 0.0 0.6| 3.2 0.0 3.2 1.1 0.92| 0.7 0.6 4000 104 2 339 1| 0.6 0.0 0.6| 4.9 0.0 4.9 1.2 0.93| 0.7 0.6 5000 92 3 27 1| 0.6 0.0 0.6| 6.8 0.0 6.8 1.4 0.93| 0.7 0.7 6000 84 4 37 2| 0.6 0.0 0.6| 9.2 0.0 9.2 1.5 0.93| 0.7 0.7 Wrote GIF file: /home/apache/climate/data/raob//FK870/skewt/FK870.skewt.20251014.12.gif