UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101012.upa.cvt Date: 1200Z 10 OCT 25 Searching for FK870... Searching the city database file for: FK870 ... Date:1200Z 10 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 86 1 920 -10521 SFC 893 -5876 26.4 19.4 65 7.0 21.3 90 12 309.4 312.4 298.4 358.3 16.08 3 850 1534 20.4 17.5 83 2.9 18.4 50 8 307.5 310.3 297.2 352.7 14.97 4 785 2217 16.4 10.4 68 6.0 12.6 80 27 310.3 312.2 294.6 341.3 10.14 5 700 3181 9.4 4.6 72 4.8 6.6 75 45 312.9 314.3 293.4 336.6 7.62 6 500 5890 -6.9 -10.2 77 3.3 -8.3 90 23 324.6 325.3 293.4 336.4 3.52 7 400 7600 -16.7 -22.7 60 6.0 -18.4 85 12 333.3 333.6 294.0 338.8 1.54 8 300 9710 -31.3 -34.9 70 3.6 -31.9 125 16 341.3 341.4 295.2 343.8 0.66 9 250 10970 -41.5 -45.5 65 4.0 -41.8 155 10 344.4 344.4 295.6 345.4 0.26 10 200 12440 -53.9 -59.9 48 6.0 -54.1 220 12 347.4 347.4 296.1 347.7 0.06 11 150 14220 -68.7 -72.8 55 4.1 -68.7 280 14 351.7 351.7 297.0 351.8 0.01 12 100 16600 -78.7 -82.1 57 3.4 -78.7 25 21 375.7 375.7 301.5 375.7 0.00 13 97 16776 -79.9 28 22 376.6 14 94 16956 -80.5 31 22 378.8 15 82 17746 -76.1 45 25 402.9 16 80 17890 -75.5 48 26 407.0 17 70 18670 -76.5 61 28 420.7 18 50 20670 -67.5 95 35 484.4 19 47 21045 -65.5 86 30 497.9 20 43 21584 -66.9 81 31 507.2 21 34 23021 -61.5 87 53 556.7 22 30 23800 -60.1 90 65 580.8 23 24 25207 -55.5 95 65 632.4 24 21 26063 -52.7 95 66 665.5 25 20 26380 -49.7 95 66 684.0 26 19 26717 -48.5 96 65 697.9 27 16 27858 -44.3 99 61 746.7 28 15 28292 -43.3 100 60 764.0 29 13 29250 -45.9 786.9 TRP 785 2217 16.4 10.4 68 6.0 12.6 80 27 310.3 312.2 294.6 341.3 10.14 WND Sounding variables and indices 1000-500 mb thick: 5804.00 m Freezing level: 584.66 mb = 4743.25 m = 15561.64 ft Wetbulb zero: 611.55 mb = 4268.65 m = 14004.57 ft Precipitable water: 1.48 inches Sfc-500 mean rel hum: 73.76 % Est. max temperature: 28.50 C = 83.29 F Sfc-Lift cond lev (LCL): 806.45 mb = 1985.31 m = 6513.40 ft T: 17.76 C 700-500 lapse rate: 6.02 C/km ThetaE index: 21.92 C Layer 850.0- 400.0 mb Conv cond level (CCL): 764.25 mb = 2442.03 m = 8011.82 ft Mean mixing ratio: 13.94 g/kg Conv temperature: 27.87 C = 82.17 F Cap Strength: 1.40 C Lifted Index: -4.28 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -3.43 C Lifted Index @700 mb: -1.46 C Showalter Index: -4.87 C Risk: Severe thunderstorms possible Total Totals Index: 51.70 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.30 C Cross Totals Index: 24.40 C K Index: 40.00 Risk: > 80 % chance of thunderstorms Sweat Index: 303.00 Risk: Showers and thunderstorms possible Energy Index: -3.26 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1302.94 J/kg Max Up Vert Vel: 51.05 m/s Conv Inhibition (B-): 15.93 J/kg Cap Strength: 1.40 C Lift Cond Lev (LCL): 789.35 mb = 2169.21 m = 7116.74 ft Lev Free Conv (LFC): 734.35 mb = 2777.91 m = 9113.77 ft Equ Level (EL): 154.35 mb = 14043.30 m = 46073.27 ft B at Equ Level: 1295.37 J/kg Max Parcel Lev (MPL): 94.35 mb = 16934.72 m = 55559.43 ft Wind level data Storm motion: 108 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 ---------------------------------------------------------- 0 893 -5876 90 12 -12.0 0.0 | 62 5 -4.6 -2.4 1 850 1534 50 8 -6.1 -5.1 | 350 8 1.3 -7.6 2 785 2217 80 27 -26.6 -4.7 | 70 20 -19.2 -7.1 3 700 3181 75 45 -43.5 -11.6 | 69 39 -36.1 -14.1 4 500 5890 90 23 -23.0 0.0 | 81 16 -15.6 -2.4 5 400 7600 85 12 -12.0 -1.0 | 53 6 -4.6 -3.5 6 300 9710 125 16 -13.1 9.2 | 140 9 -5.7 6.7 7 250 10970 155 10 -4.2 9.1 | 206 7 3.2 6.6 8 200 12440 220 12 7.7 9.2 | 246 17 15.1 6.8 9 150 14220 280 14 13.8 -2.4 | 283 22 21.2 -4.9 10 100 16600 25 21 -8.9 -19.0 | 4 22 -1.5 -21.5 11 50 20670 95 35 -34.9 3.1 | 91 27 -27.5 0.6 12 45 21336 80 27 -26.6 -4.7 | 70 20 -19.2 -7.1 13 30 23800 90 65 -65.0 0.0 | 88 58 -57.6 -2.4 14 27 24384 95 65 -64.8 5.7 | 93 57 -57.4 3.2 15 20 26380 95 66 -65.7 5.8 | 93 58 -58.3 3.3 16 15 27432 100 60 -59.1 10.4 | 99 52 -51.7 8.0 Wind Parameters Mean winds (0-6000m): 78.2 at 10.4 knts Storm direction: 108.2 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): -36.4 deg Storm rel helicity (0-3000m) pos: 0.0 neg: -5.0 tot: -5.0 m^2/s^2 ave: -1.7 10^-3 m/s^2 rel: -0.98 Storm rel vorticity (0-3000m) horiz: 0.6 stream: -0.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 640.99 Bulk Shear: 2.03 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 97 12 77 5| 0.0 0.6 0.6| 0.0 -0.9 -0.9 -1.7 -1.00| 0.6 -0.6 1000 95 12 72 5| 0.0 0.6 0.6| 0.0 -1.7 -1.7 -1.7 -0.99| 0.6 -0.6 1500 93 12 67 5| 0.0 0.6 0.6| 0.0 -2.5 -2.5 -1.7 -0.99| 0.6 -0.6 2000 91 11 62 5| 0.0 0.6 0.6| 0.0 -3.4 -3.4 -1.7 -0.99| 0.6 -0.6 2500 90 11 58 5| 0.0 0.6 0.6| 0.0 -4.2 -4.2 -1.7 -0.98| 0.6 -0.6 3000 88 11 53 5| 0.0 0.6 0.6| 0.0 -5.0 -5.0 -1.7 -0.98| 0.6 -0.6 4000 85 11 45 5| 0.0 0.6 0.6| 0.0 -6.7 -6.7 -1.7 -0.97| 0.6 -0.6 5000 81 11 38 5| 0.0 0.6 0.6| 0.0 -8.3 -8.3 -1.7 -0.96| 0.6 -0.6 6000 78 10 31 5| 0.0 0.6 0.6| 0.0 -10.0 -10.0 -1.7 -0.95| 0.6 -0.5 Wrote GIF file: /home/apache/climate/data/raob//FK870/skewt/FK870.skewt.20251010.12.gif