UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025113012.upa.cvt Date: 1200Z 30 NOV 25 Searching for FK870... Searching the city database file for: FK870 ... Date:1200Z 30 NOV 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 39 1 920 -10564 SFC 890 -5396 31.4 10.4 27 21.0 17.6 50 7 314.9 316.6 295.0 342.8 8.93 3 850 1505 24.6 9.6 39 15.0 15.0 35 15 311.9 313.6 294.1 339.3 8.86 4 766 2403 16.0 5.0 48 11.0 9.5 50 14 312.1 313.4 292.9 334.3 7.16 5 700 3161 9.8 -0.2 50 10.0 4.4 65 13 313.3 314.4 291.8 330.3 5.39 6 500 5880 -2.3 -19.3 26 17.0 -8.5 360 1 330.2 330.6 293.3 336.1 1.66 7 400 7610 -15.3 -33.3 20 18.0 -19.2 325 5 335.1 335.2 293.6 337.3 0.58 8 300 9720 -30.9 -46.9 19 16.0 -32.6 335 19 341.8 341.9 295.0 342.6 0.19 9 250 10980 -41.1 -56.1 18 15.0 -41.9 310 16 345.0 345.0 295.6 345.3 0.08 10 200 12460 -54.3 -67.3 19 13.0 -54.5 295 30 346.8 346.8 296.0 346.9 0.02 11 150 14240 -68.7 -79.7 19 11.0 -68.8 280 29 351.7 351.7 297.0 351.8 0.00 12 100 16590 -82.3 -91.3 20 9.0 -82.3 230 21 368.7 368.7 300.4 368.7 0.00 13 92 17053 -85.9 186 18 370.5 14 84 17551 -87.5 138 15 377.0 15 80 17820 -82.7 113 14 392.2 16 78 17963 -80.3 99 13 400.0 17 77 18036 -80.3 93 12 401.5 18 73 18339 -79.1 68 10 410.2 19 70 18580 -75.1 60 6 423.7 20 64 19100 -74.1 75 10 436.9 21 53 20206 -71.1 105 19 468.1 22 50 20550 -71.9 115 22 474.1 23 46 21041 -72.7 110 21 483.6 24 46 21041 -72.9 110 21 483.1 25 39 22026 -65.7 524.6 26 39 22026 -65.1 526.2 TRP 766 2403 16.0 5.0 48 11.0 9.5 50 14 312.1 313.4 292.9 334.3 7.16 WND Sounding variables and indices 1000-500 mb thick: 5841.00 m Freezing level: 538.02 mb = 5363.17 m = 17595.47 ft Wetbulb zero: 631.51 mb = 3993.04 m = 13100.37 ft Precipitable water: 0.92 inches Sfc-500 mean rel hum: 40.11 % Est. max temperature: 29.17 C = 84.50 F Sfc-Lift cond lev (LCL): 655.62 mb = 3690.32 m = 12107.22 ft T: 7.44 C 700-500 lapse rate: 4.45 C/km ThetaE index: 12.46 C Layer 850.0- 500.0 mb Conv cond level (CCL): 591.02 mb = 4528.59 m = 14857.41 ft Mean mixing ratio: 8.50 g/kg Conv temperature: 38.10 C = 100.58 F Cap Strength: 2.70 C Lifted Index: 4.95 C Risk: None Lifted Index @300 mb: 3.88 C Lifted Index @700 mb: 0.73 C Showalter Index: 4.77 C Risk: None Total Totals Index: 38.80 C Risk: None Vertical Totals Index: 26.90 C Cross Totals Index: 11.90 C K Index: 26.50 Risk: 40-60 % chance of thunderstorms Sweat Index: 146.20 Risk: None Energy Index: -0.57 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.23 J/kg Max Up Vert Vel: 5.52 m/s Conv Inhibition (B-): 14968.87 J/kg Cap Strength: 4.75 C Lift Cond Lev (LCL): 669.61 mb = 3519.61 m = 11547.13 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 71 at 8 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 ---------------------------------------------------------- 0 890 -5396 50 7 -5.4 -4.5 | 313 3 2.0 -1.9 1 850 1505 35 15 -8.6 -12.3 | 7 10 -1.2 -9.7 2 766 2403 50 14 -10.7 -9.0 | 27 7 -3.3 -6.4 3 700 3161 65 13 -11.8 -5.5 | 57 5 -4.4 -2.9 4 500 5880 360 1 -0.0 -1.0 | 258 8 7.4 1.6 5 400 7610 325 5 2.9 -4.1 | 278 10 10.3 -1.5 6 300 9720 335 19 8.0 -17.2 | 313 21 15.4 -14.6 7 250 10980 310 16 12.3 -10.3 | 291 21 19.7 -7.7 8 200 12460 295 30 27.2 -12.7 | 286 36 34.6 -10.1 9 150 14240 280 29 28.6 -5.0 | 274 36 36.0 -2.4 10 100 16590 230 21 16.1 13.5 | 236 28 23.5 16.1 11 74 18288 70 11 -10.3 -3.8 | 69 3 -2.9 -1.2 12 70 18580 60 6 -5.2 -3.0 | 280 2 2.2 -0.4 13 50 20550 115 22 -19.9 9.3 | 134 17 -12.5 11.9 14 43 21336 105 21 -20.3 5.4 | 122 15 -12.9 8.0 Wind Parameters Mean winds (0-6000m): 40.6 at 10.5 knts Storm direction: 70.6 at 7.8 knts Shear (0-3000m) pos: 0.0 neg: 0.6 tot: 0.6 10-3/s Storm rel Dir Shear (0-3000m): 45.0 deg Storm rel helicity (0-3000m) pos: 2.5 neg: 0.0 tot: 2.5 m^2/s^2 ave: 0.8 10^-3 m/s^2 rel: 0.74 Storm rel vorticity (0-3000m) horiz: 0.6 stream: 0.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 10.78 Bulk Shear: 1.41 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 42 7 317 4| 0.0 0.6 0.6| 0.4 0.0 0.4 0.9 0.97| 0.6 0.6 1000 42 8 321 4| 0.0 0.6 0.6| 0.9 0.0 0.9 0.9 0.94| 0.6 0.6 1500 42 8 326 4| 0.0 0.6 0.6| 1.3 0.0 1.3 0.9 0.89| 0.6 0.5 2000 42 8 330 4| 0.0 0.6 0.6| 1.7 0.0 1.7 0.9 0.84| 0.6 0.5 2500 42 8 334 4| 0.0 0.6 0.6| 2.1 0.0 2.1 0.8 0.79| 0.6 0.5 3000 42 9 338 4| 0.0 0.6 0.6| 2.5 0.0 2.5 0.8 0.74| 0.6 0.5 4000 42 9 344 4| 0.0 0.6 0.6| 3.1 0.0 3.1 0.8 0.65| 0.6 0.4 5000 41 10 350 5| 0.0 0.6 0.6| 3.7 0.0 3.7 0.7 0.56| 0.6 0.4 6000 41 10 354 5| 0.0 0.6 0.6| 4.1 0.0 4.1 0.7 0.49| 0.6 0.3 Wrote GIF file: /home/apache/climate/data/raob//FK870/skewt/FK870.skewt.20251130.12.gif