UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112912.upa.cvt Date: 1200Z 29 NOV 25 Searching for FK870... Searching the city database file for: FK870 ... Date:1200Z 29 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 147 1 920 -16955 SFC 900 -15135 31.2 9.2 26 22.0 17.1 40 6 313.7 315.2 294.1 339.0 8.14 3 700 3253 8.0 1.0 61 7.0 4.2 70 22 311.3 312.5 291.6 329.7 5.89 4 500 5970 -3.1 -29.1 11 26.0 -10.4 135 23 329.3 329.4 292.2 331.8 0.69 5 400 7690 -15.5 -35.5 16 20.0 -19.6 260 12 334.8 334.9 293.4 336.6 0.46 6 300 9790 -31.5 -47.5 19 16.0 -33.1 295 32 341.0 341.0 294.7 341.7 0.17 7 250 11060 -41.1 -56.1 18 15.0 -41.9 245 20 345.0 345.0 295.6 345.3 0.08 8 200 12530 -52.7 -66.7 17 14.0 -53.0 235 27 349.3 349.3 296.5 349.4 0.02 9 150 14320 -68.7 -79.7 19 11.0 -68.8 270 31 351.7 351.7 297.0 351.8 0.00 10 100 16680 -81.1 -91.1 17 10.0 -81.1 205 24 371.0 371.0 300.8 371.0 0.00 11 70 18670 -78.1 45 18 417.3 TRP WND Sounding variables and indices 1000-500 mb thick: 5823.00 m Freezing level: 555.86 mb = 5211.20 m = 17096.90 ft Wetbulb zero: 642.70 mb = 3942.61 m = 12934.92 ft Precipitable water: 0.86 inches Sfc-500 mean rel hum: 39.35 % Est. max temperature: 29.76 C = 85.57 F Sfc-Lift cond lev (LCL): 653.15 mb = 3812.32 m = 12507.47 ft T: 5.71 C 700-500 lapse rate: 4.09 C/km ThetaE index: 9.33 C Layer 700.0- 500.0 mb Conv cond level (CCL): 581.84 mb = 4745.99 m = 15570.66 ft Mean mixing ratio: 7.58 g/kg Conv temperature: 38.45 C = 101.20 F Cap Strength: 2.00 C Lifted Index: 5.02 C Risk: None Lifted Index @300 mb: 4.52 C Lifted Index @700 mb: -1.71 C Showalter Index: 4.97 C Risk: None Total Totals Index: 39.46 C Risk: None Vertical Totals Index: 29.02 C Cross Totals Index: 10.44 C K Index: 29.36 Risk: 40-60 % chance of thunderstorms Sweat Index: 130.30 Risk: None Energy Index: 28.38 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 400.72 J/kg Max Up Vert Vel: 28.31 m/s Conv Inhibition (B-): 5757.39 J/kg Cap Strength: 4.83 C Lift Cond Lev (LCL): 646.82 mb = 3891.04 m = 12765.73 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 73 at 6 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 ---------------------------------------------------------- 0 900 -15135 40 6 -3.9 -4.6 | 334 3 1.4 -3.0 1 850 1606 45 14 -9.9 -9.9 | 29 9 -4.6 -8.3 2 700 3253 70 22 -20.7 -7.5 | 69 16 -15.4 -5.9 3 500 5970 135 23 -16.3 16.3 | 148 21 -11.0 17.9 4 400 7690 260 12 11.8 2.1 | 258 17 17.1 3.7 5 300 9790 295 32 29.0 -13.5 | 289 36 34.3 -11.9 6 250 11060 245 20 18.1 8.5 | 247 25 23.4 10.1 7 200 12530 235 27 22.1 15.5 | 238 32 27.4 17.1 8 150 14320 270 31 31.0 -0.0 | 267 36 36.3 1.6 9 100 16680 205 24 10.1 21.8 | 213 28 15.4 23.4 10 70 18670 45 18 -12.7 -12.7 | 34 13 -7.5 -11.1 Wind Parameters Mean winds (0-6000m): 42.8 at 7.4 knts Storm direction: 72.8 at 5.5 knts Shear (0-3000m) pos: 0.2 neg: 0.0 tot: 0.2 10-3/s Storm rel Dir Shear (0-3000m): 19.7 deg Storm rel helicity (0-3000m) pos: 1.2 neg: 0.0 tot: 1.2 m^2/s^2 ave: 0.4 10^-3 m/s^2 rel: 0.86 Storm rel vorticity (0-3000m) horiz: 0.2 stream: 0.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1655.02 Bulk Shear: 0.24 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 43 6 337 3| 0.2 0.0 0.2| 0.2 0.0 0.2 0.4 0.92| 0.2 0.2 1000 43 6 339 3| 0.2 0.0 0.2| 0.4 0.0 0.4 0.4 0.91| 0.2 0.2 1500 43 6 341 3| 0.2 0.0 0.2| 0.6 0.0 0.6 0.4 0.90| 0.2 0.2 2000 43 6 343 3| 0.2 0.0 0.2| 0.8 0.0 0.8 0.4 0.89| 0.2 0.2 2500 43 6 345 3| 0.2 0.0 0.2| 1.0 0.0 1.0 0.4 0.87| 0.2 0.2 3000 43 7 347 3| 0.2 0.0 0.2| 1.2 0.0 1.2 0.4 0.86| 0.2 0.2 4000 43 7 350 3| 0.2 0.0 0.2| 1.6 0.0 1.6 0.4 0.83| 0.2 0.2 5000 43 7 353 4| 0.2 0.0 0.2| 2.0 0.0 2.0 0.4 0.81| 0.2 0.2 6000 43 7 356 4| 0.2 0.0 0.2| 2.4 0.0 2.4 0.4 0.78| 0.2 0.2 Wrote GIF file: /home/apache/climate/data/raob//FK870/skewt/FK870.skewt.20251129.12.gif