UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101512.upa.cvt Date: 1200Z 15 OCT 25 Searching for FK870... Searching the city database file for: FK870 ... Date:1200Z 15 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 85 1 920 -10522 SFC 893 -5877 26.2 19.2 65 7.0 21.2 350 2 309.2 312.2 298.2 357.4 15.88 3 850 1532 20.4 16.1 76 4.3 17.4 35 2 307.5 310.1 296.4 348.8 13.67 4 795 2107 17.2 9.2 59 8.0 12.1 65 17 310.0 311.8 293.9 338.3 9.23 5 700 3179 8.8 5.0 77 3.8 6.6 75 24 312.2 313.7 293.4 336.5 7.84 6 500 5880 -6.1 -9.0 80 2.9 -7.4 120 18 325.6 326.4 294.0 338.5 3.87 7 400 7600 -15.3 -24.3 46 9.0 -17.9 45 12 335.1 335.4 294.3 339.9 1.34 8 300 9700 -31.9 -35.1 73 3.2 -32.4 15 9 340.4 340.6 295.0 342.9 0.64 9 250 10970 -41.5 -43.7 79 2.2 -41.7 160 7 344.4 344.4 295.7 345.6 0.32 10 200 12440 -54.3 -55.7 84 1.4 -54.4 325 5 346.8 346.8 296.0 347.2 0.10 11 150 14220 -68.3 -70.6 72 2.3 -68.3 35 21 352.4 352.4 297.2 352.5 0.02 12 100 16570 -77.5 -79.3 75 1.8 -77.5 115 15 378.0 378.0 301.9 378.0 0.01 13 94 16925 -75.7 150 16 388.3 14 91 17112 -74.9 169 17 393.5 15 85 17506 -76.1 208 19 398.8 16 70 18630 -73.9 355 25 426.3 17 55 20045 -72.3 88 30 460.4 18 50 20610 -70.1 125 32 478.3 19 39 22106 -65.1 526.2 TRP 795 2107 17.2 9.2 59 8.0 12.1 65 17 310.0 311.8 293.9 338.3 9.23 WND Sounding variables and indices 1000-500 mb thick: 5795.00 m Freezing level: 581.88 mb = 4774.22 m = 15663.26 ft Wetbulb zero: 605.99 mb = 4336.64 m = 14227.63 ft Precipitable water: 1.44 inches Sfc-500 mean rel hum: 74.32 % Est. max temperature: 28.17 C = 82.71 F Sfc-Lift cond lev (LCL): 806.40 mb = 1984.66 m = 6511.29 ft T: 17.88 C 700-500 lapse rate: 5.52 C/km ThetaE index: 20.91 C Layer 850.0- 500.0 mb Conv cond level (CCL): 747.04 mb = 2631.23 m = 8632.54 ft Mean mixing ratio: 12.78 g/kg Conv temperature: 28.08 C = 82.55 F Cap Strength: 1.76 C Lifted Index: -2.19 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.10 C Lifted Index @700 mb: -1.06 C Showalter Index: -2.72 C Risk: Severe thunderstorms possible Total Totals Index: 48.70 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.50 C Cross Totals Index: 22.20 C K Index: 38.80 Risk: > 80 % chance of thunderstorms Sweat Index: 215.20 Risk: None Energy Index: -2.09 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 605.17 J/kg Max Up Vert Vel: 34.79 m/s Conv Inhibition (B-): 29.93 J/kg Cap Strength: 1.76 C Lift Cond Lev (LCL): 773.75 mb = 2335.30 m = 7661.65 ft Lev Free Conv (LFC): 718.75 mb = 2956.36 m = 9699.23 ft Equ Level (EL): 198.75 mb = 12478.81 m = 40940.49 ft B at Equ Level: 604.46 J/kg Max Parcel Lev (MPL): 118.75 mb = 15574.02 m = 51095.24 ft Wind level data Storm motion: 38 at 2 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 350 2 0.3 -2.0 | 302 1 1.3 -0.8 1 850 1532 35 2 -1.1 -1.6 | 27 1 -0.2 -0.5 2 795 2107 65 17 -15.4 -7.2 | 68 16 -14.5 -6.0 3 700 3179 75 24 -23.2 -6.2 | 77 23 -22.3 -5.0 4 500 5880 120 18 -15.6 9.0 | 125 18 -14.7 10.2 5 400 7600 45 12 -8.5 -8.5 | 46 11 -7.6 -7.3 6 300 9700 15 9 -2.3 -8.7 | 11 8 -1.4 -7.5 7 250 10970 160 7 -2.4 6.6 | 169 8 -1.5 7.8 8 200 12440 325 5 2.9 -4.1 | 308 5 3.8 -2.9 9 150 14220 35 21 -12.0 -17.2 | 35 20 -11.1 -16.0 10 100 16570 115 15 -13.6 6.3 | 121 15 -12.7 7.5 11 74 18288 285 22 21.3 -5.7 | 281 23 22.2 -4.5 12 70 18630 355 25 2.2 -24.9 | 353 24 3.1 -23.7 13 50 20610 125 32 -26.2 18.4 | 128 32 -25.3 19.5 14 43 21336 125 31 -25.4 17.8 | 128 31 -24.5 19.0 Wind Parameters Mean winds (0-6000m): 7.8 at 2.0 knts Storm direction: 37.8 at 1.5 knts Shear (0-3000m) pos: 0.1 neg: 0.0 tot: 0.1 10-3/s Storm rel Dir Shear (0-3000m): 19.6 deg Storm rel helicity (0-3000m) pos: 0.1 neg: 0.0 tot: 0.1 m^2/s^2 ave: 0.0 10^-3 m/s^2 rel: 0.67 Storm rel vorticity (0-3000m) horiz: 0.1 stream: 0.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 10218.15 Bulk Shear: 0.06 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 ------------------------------------------------------------------------------- 500 349 2 301 2| 0.1 0.0 0.1| 0.0 0.0 0.0 0.1 0.66| 0.1 0.1 1000 350 2 302 1| 0.1 0.0 0.1| 0.1 0.0 0.1 0.1 0.66| 0.1 0.1 1500 352 2 304 1| 0.1 0.0 0.1| 0.1 0.0 0.1 0.1 0.66| 0.1 0.1 2000 354 2 305 1| 0.1 0.0 0.1| 0.1 0.0 0.1 0.0 0.66| 0.1 0.1 2500 356 2 307 1| 0.1 0.0 0.1| 0.1 0.0 0.1 0.0 0.66| 0.1 0.1 3000 358 2 309 1| 0.1 0.0 0.1| 0.1 0.0 0.1 0.0 0.67| 0.1 0.1 4000 1 2 313 1| 0.1 0.0 0.1| 0.2 0.0 0.2 0.0 0.68| 0.1 0.1 5000 4 2 317 1| 0.1 0.0 0.1| 0.2 0.0 0.2 0.0 0.69| 0.1 0.1 6000 8 2 321 1| 0.1 0.0 0.1| 0.2 0.0 0.2 0.0 0.71| 0.1 0.1 Wrote GIF file: /home/apache/climate/data/raob//FK870/skewt/FK870.skewt.20251015.12.gif