UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112612.upa.cvt Date: 1200Z 26 NOV 25 Searching for FK870... Searching the city database file for: FK870 ... Date:1200Z 26 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 52 1 920 -17049 SFC 891 -14409 31.2 13.2 33 18.0 18.9 80 8 314.6 316.6 296.2 348.0 10.76 3 700 3173 10.4 -0.6 46 11.0 4.5 105 15 314.0 315.0 291.9 330.5 5.23 4 500 5890 -4.3 -23.3 21 19.0 -10.3 85 20 327.8 328.0 292.2 331.9 1.17 5 400 7610 -15.1 -35.1 16 20.0 -19.3 55 21 335.4 335.5 293.6 337.2 0.48 6 300 9720 -31.7 -47.7 19 16.0 -33.3 235 9 340.7 340.7 294.7 341.4 0.17 7 250 10980 -42.1 -56.1 20 14.0 -42.8 185 20 343.5 343.5 295.2 343.8 0.08 8 200 12450 -55.1 -67.1 21 12.0 -55.3 240 12 345.5 345.5 295.7 345.6 0.02 9 150 14240 -64.3 -75.3 21 11.0 -64.4 240 56 359.3 359.3 298.6 359.4 0.01 10 100 16610 -83.7 -91.7 23 8.0 -83.7 240 28 366.0 366.0 299.8 366.0 0.00 11 87 17373 -86.3 181 23 375.7 12 80 17828 -88.1 145 21 381.1 13 75 18178 -85.7 118 19 393.2 14 74 18251 -85.9 112 18 394.3 15 70 18560 -79.5 120 16 414.3 16 69 18642 -79.3 416.4 17 62 19262 -71.3 447.1 TRP WND Sounding variables and indices 1000-500 mb thick: 5838.00 m Freezing level: 558.50 mb = 5095.23 m = 16716.43 ft Wetbulb zero: 638.86 mb = 3910.96 m = 12831.09 ft Precipitable water: 0.91 inches Sfc-500 mean rel hum: 36.31 % Est. max temperature: 30.92 C = 87.66 F Sfc-Lift cond lev (LCL): 685.94 mb = 3336.78 m = 10947.32 ft T: 9.51 C 700-500 lapse rate: 5.41 C/km ThetaE index: 17.50 C Layer 700.0- 500.0 mb Conv cond level (CCL): 628.91 mb = 4037.81 m = 13247.26 ft Mean mixing ratio: 9.20 g/kg Conv temperature: 34.94 C = 94.89 F Cap Strength: 1.53 C Lifted Index: 1.19 C Risk: Showers probable Lifted Index @300 mb: 0.51 C Lifted Index @700 mb: -0.47 C Showalter Index: 0.90 C Risk: Thunderstorms probable Total Totals Index: 46.24 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 31.44 C Cross Totals Index: 14.81 C K Index: 30.94 Risk: 60-80 % chance of thunderstorms Sweat Index: 164.80 Risk: None Energy Index: 26.86 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 126.63 J/kg Max Up Vert Vel: 15.91 m/s Conv Inhibition (B-): 5176.76 J/kg Cap Strength: 1.53 C Lift Cond Lev (LCL): 663.06 mb = 3610.73 m = 11846.08 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 106 at 7 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 ---------------------------------------------------------- 0 891 -14409 80 8 -7.9 -1.4 | 20 3 -1.2 -3.3 1 850 1518 70 15 -14.1 -5.1 | 47 10 -7.4 -7.0 2 700 3173 105 15 -14.5 3.9 | 105 8 -7.8 2.0 3 500 5890 85 20 -19.9 -1.7 | 75 14 -13.2 -3.6 4 400 7610 55 21 -17.2 -12.0 | 37 17 -10.5 -13.9 5 300 9720 235 9 7.4 5.2 | 257 14 14.1 3.3 6 250 10980 185 20 1.7 19.9 | 205 20 8.4 18.1 7 200 12450 240 12 10.4 6.0 | 256 18 17.1 4.1 8 150 14240 240 56 48.5 28.0 | 245 61 55.2 26.1 9 100 16610 240 28 24.2 14.0 | 249 33 30.9 12.1 10 74 18288 110 18 -16.9 6.2 | 113 11 -10.2 4.3 11 70 18560 120 16 -13.9 8.0 | 131 9 -7.2 6.1 Wind Parameters Mean winds (0-6000m): 75.6 at 9.3 knts Storm direction: 105.6 at 6.9 knts Shear (0-3000m) pos: 0.0 neg: 0.2 tot: 0.2 10-3/s Storm rel Dir Shear (0-3000m): 12.7 deg Storm rel helicity (0-3000m) pos: 0.9 neg: 0.0 tot: 0.9 m^2/s^2 ave: 0.3 10^-3 m/s^2 rel: 0.64 Storm rel vorticity (0-3000m) horiz: 0.2 stream: 0.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 624.96 Bulk Shear: 0.20 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 76 8 16 4| 0.0 0.2 0.2| 0.2 0.0 0.2 0.3 0.73| 0.2 0.2 1000 76 8 17 4| 0.0 0.2 0.2| 0.3 0.0 0.3 0.3 0.71| 0.2 0.2 1500 76 8 19 4| 0.0 0.2 0.2| 0.5 0.0 0.5 0.3 0.69| 0.2 0.2 2000 76 8 20 4| 0.0 0.2 0.2| 0.6 0.0 0.6 0.3 0.68| 0.2 0.2 2500 76 8 21 4| 0.0 0.2 0.2| 0.8 0.0 0.8 0.3 0.66| 0.2 0.2 3000 76 9 22 4| 0.0 0.2 0.2| 0.9 0.0 0.9 0.3 0.64| 0.2 0.1 4000 76 9 25 4| 0.0 0.2 0.2| 1.2 0.0 1.2 0.3 0.61| 0.2 0.1 5000 76 9 27 5| 0.0 0.2 0.2| 1.5 0.0 1.5 0.3 0.57| 0.2 0.1 6000 76 9 29 5| 0.0 0.2 0.2| 1.7 0.0 1.7 0.3 0.54| 0.2 0.1 Wrote GIF file: /home/apache/climate/data/raob//FK870/skewt/FK870.skewt.20251126.12.gif