UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112512.upa.cvt Date: 1200Z 25 NOV 25 Searching for FK870... Searching the city database file for: FK870 ... Date:1200Z 25 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 66 1 920 -10538 SFC 892 -5717 30.8 8.8 25 22.0 16.7 60 8 314.0 315.6 294.1 339.0 7.99 3 850 1528 24.0 8.0 36 16.0 14.0 65 18 311.3 312.8 293.3 335.8 7.94 4 793 2128 18.0 6.0 45 12.0 10.8 95 13 311.1 312.5 292.8 334.0 7.41 5 700 3179 9.6 3.6 66 6.0 6.1 90 30 313.1 314.5 293.1 335.3 7.10 6 500 5890 -3.3 -30.3 10 27.0 -10.6 90 23 329.0 329.1 292.0 331.3 0.62 7 400 7620 -14.5 -39.5 10 25.0 -19.2 30 25 336.1 336.2 293.7 337.3 0.31 8 300 9730 -31.5 -46.5 21 15.0 -33.0 325 5 341.0 341.0 294.7 341.8 0.20 9 250 10990 -41.9 -54.9 23 13.0 -42.6 235 12 343.8 343.8 295.3 344.1 0.09 10 200 12460 -54.9 -64.9 28 10.0 -55.1 225 13 345.8 345.8 295.7 346.0 0.03 11 150 14240 -66.9 -74.9 31 8.0 -67.0 255 33 354.8 354.8 297.7 354.9 0.01 12 100 16620 -81.3 -88.3 30 7.0 -81.3 260 32 370.6 370.6 300.7 370.7 0.00 13 91 17145 -83.5 287 23 376.4 14 89 17268 -83.5 293 21 378.8 15 81 17794 -80.1 320 12 396.1 16 76 18151 -82.7 338 6 398.0 17 75 18224 -82.9 342 5 399.1 18 70 18610 -80.5 350 7 412.2 19 67 18857 -80.1 418.2 20 57 19784 -74.7 450.3 21 50 20558 -68.3 482.5 22 46 21059 -67.7 495.6 23 38 22226 -61.7 538.8 24 38 22226 -61.3 539.8 25 37 22391 -61.1 544.4 26 33 23099 -62.9 557.8 27 30 23689 -60.7 579.2 TRP 793 2128 18.0 6.0 45 12.0 10.8 95 13 311.1 312.5 292.8 334.0 7.41 WND Sounding variables and indices 1000-500 mb thick: 5824.00 m Freezing level: 551.16 mb = 5196.49 m = 17048.64 ft Wetbulb zero: 627.04 mb = 4065.89 m = 13339.37 ft Precipitable water: 0.91 inches Sfc-500 mean rel hum: 41.67 % Est. max temperature: 29.02 C = 84.24 F Sfc-Lift cond lev (LCL): 647.15 mb = 3811.56 m = 12504.97 ft T: 6.59 C 700-500 lapse rate: 4.76 C/km ThetaE index: 4.95 C Layer 850.0- 700.0 mb Conv cond level (CCL): 576.37 mb = 4744.79 m = 15566.70 ft Mean mixing ratio: 7.79 g/kg Conv temperature: 38.77 C = 101.79 F Cap Strength: 3.41 C Lifted Index: 5.23 C Risk: None Lifted Index @300 mb: 5.07 C Lifted Index @700 mb: 1.19 C Showalter Index: 5.29 C Risk: None Total Totals Index: 38.60 C Risk: None Vertical Totals Index: 27.30 C Cross Totals Index: 11.30 C K Index: 29.30 Risk: 40-60 % chance of thunderstorms Sweat Index: 155.00 Risk: None Energy Index: -0.77 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.20 J/kg Max Up Vert Vel: 4.73 m/s Conv Inhibition (B-): 19823.88 J/kg Cap Strength: 5.16 C Lift Cond Lev (LCL): 663.68 mb = 3608.34 m = 11838.23 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 93 at 9 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 ---------------------------------------------------------- 0 892 -5717 60 8 -6.9 -4.0 | 334 5 2.1 -4.5 1 850 1528 65 18 -16.3 -7.6 | 42 11 -7.2 -8.1 2 793 2128 95 13 -13.0 1.1 | 99 4 -3.9 0.6 3 700 3179 90 30 -30.0 0.0 | 89 21 -20.9 -0.5 4 500 5890 90 23 -23.0 0.0 | 88 14 -13.9 -0.5 5 400 7620 30 25 -12.5 -21.7 | 9 22 -3.4 -22.1 6 300 9730 325 5 2.9 -4.1 | 291 13 11.9 -4.6 7 250 10990 235 12 9.8 6.9 | 251 20 18.9 6.4 8 200 12460 225 13 9.2 9.2 | 245 20 18.3 8.7 9 150 14240 255 33 31.9 8.5 | 259 42 41.0 8.0 10 100 16620 260 32 31.5 5.6 | 263 41 40.6 5.1 11 74 18288 345 4 1.0 -3.9 | 293 11 10.1 -4.4 12 70 18610 350 7 1.2 -6.9 | 306 13 10.3 -7.4 Wind Parameters Mean winds (0-6000m): 63.1 at 12.1 knts Storm direction: 93.1 at 9.1 knts Shear (0-3000m) pos: 0.7 neg: 0.0 tot: 0.7 10-3/s Storm rel Dir Shear (0-3000m): 40.5 deg Storm rel helicity (0-3000m) pos: 5.5 neg: 0.0 tot: 5.5 m^2/s^2 ave: 1.8 10^-3 m/s^2 rel: 0.92 Storm rel vorticity (0-3000m) horiz: 0.7 stream: 0.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 5.60 Bulk Shear: 2.00 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 63 8 338 5| 0.7 0.0 0.7| 0.9 0.0 0.9 1.8 1.00| 0.7 0.7 1000 63 9 342 5| 0.7 0.0 0.7| 1.8 0.0 1.8 1.8 0.99| 0.7 0.7 1500 63 9 346 5| 0.7 0.0 0.7| 2.7 0.0 2.7 1.8 0.98| 0.7 0.7 2000 63 9 350 5| 0.7 0.0 0.7| 3.7 0.0 3.7 1.8 0.96| 0.7 0.7 2500 63 10 354 5| 0.7 0.0 0.7| 4.6 0.0 4.6 1.8 0.94| 0.7 0.7 3000 63 10 358 5| 0.7 0.0 0.7| 5.5 0.0 5.5 1.8 0.92| 0.7 0.7 4000 63 11 5 5| 0.7 0.0 0.7| 7.4 0.0 7.4 1.9 0.88| 0.7 0.6 5000 63 11 11 6| 0.7 0.0 0.7| 9.4 0.0 9.4 1.9 0.84| 0.7 0.6 6000 63 12 16 6| 0.7 0.0 0.7| 11.4 0.0 11.4 1.9 0.80| 0.7 0.6 Wrote GIF file: /home/apache/climate/data/raob//FK870/skewt/FK870.skewt.20251125.12.gif