UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100612.upa.cvt Date: 1200Z 6 OCT 25 Searching for LF145... Searching the city database file for: LF145 ... Date:1200Z 6 OCT 25 Station: LF145 WMO ident: 7145 Latitude: 48.77 Longitude: 2.02 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1008 164 14.0 10.0 77 4.0 11.7 270 3 286.5 287.8 284.5 307.9 7.66 1 1000 231 13.0 11.4 90 1.6 12.1 290 3 286.1 287.6 285.2 309.7 8.49 2 925 880 7.2 7.2 100 0.0 7.2 295 9 286.7 287.9 283.8 306.0 6.90 3 850 1575 6.8 3.8 81 3.0 5.2 300 5 293.3 294.3 285.5 310.4 5.92 4 700 3162 3.8 1.3 84 2.5 2.5 345 27 306.7 307.8 290.3 325.1 6.01 5 500 5820 -10.1 -19.1 48 9.0 -13.0 345 35 320.7 321.1 290.7 326.5 1.69 6 400 7500 -21.9 -32.9 36 11.0 -23.9 340 50 326.5 326.6 291.3 328.7 0.60 7 300 9550 -36.1 -52.1 18 16.0 -37.2 330 52 334.5 334.5 293.0 334.9 0.10 8 250 10790 -45.3 -58.3 22 13.0 -45.8 330 56 338.7 338.7 294.1 339.0 0.06 9 207 12021 -53.9 -64.4 27 10.5 -54.2 335 64 344.0 344.0 295.3 344.1 0.03 10 200 12240 -55.5 -65.5 28 10.0 -55.7 335 64 344.9 344.9 295.5 345.0 0.03 11 150 14040 -62.7 -74.7 18 12.0 -62.8 350 48 362.1 362.1 299.1 362.1 0.01 12 117 15550 -68.3 -80.3 16 12.0 -68.4 345 46 378.4 378.4 302.0 378.4 0.01 13 100 16490 -68.7 -80.7 16 12.0 -68.8 350 17 395.0 395.0 304.5 395.0 0.01 TRP 117 15550 -68.3 -80.3 16 12.0 -68.4 345 46 378.4 378.4 302.0 378.4 0.01 WND 207 12021 -53.9 -64.4 27 10.5 -54.2 335 64 344.0 344.0 295.3 344.1 0.03 Sounding variables and indices 1000-500 mb thick: 5589.00 m Freezing level: 645.32 mb = 3888.65 m = 12757.88 ft Wetbulb zero: 667.93 mb = 3532.51 m = 11589.47 ft Precipitable water: 1.17 inches Sfc-500 mean rel hum: 76.79 % Est. max temperature: 20.05 C = 68.09 F Sfc-Lift cond lev (LCL): 949.23 mb = 664.73 m = 2180.86 ft T: 9.12 C 700-500 lapse rate: 5.23 C/km ThetaE index: 3.75 C Layer 925.0- 850.0 mb Conv cond level (CCL): 945.95 mb = 693.59 m = 2275.53 ft Mean mixing ratio: 7.56 g/kg Conv temperature: 14.03 C = 57.26 F Cap Strength: 9.05 C Lifted Index: 13.67 C Risk: None Lifted Index @300 mb: 19.19 C Lifted Index @700 mb: 9.05 C Showalter Index: 11.97 C Risk: None Total Totals Index: 30.80 C Risk: None Vertical Totals Index: 16.90 C Cross Totals Index: 13.90 C K Index: 18.20 Risk: < 20 % chance of thunderstorms Sweat Index: 90.60 Risk: None Energy Index: 3.31 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.38 J/kg Max Up Vert Vel: 4.09 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 13.46 C Lift Cond Lev (LCL): 945.33 mb = 699.00 m = 2293.26 ft Lev Free Conv (LFC): 940.33 mb = 743.14 m = 2438.11 ft Equ Level (EL): 900.33 mb = 1102.16 m = 3615.97 ft B at Equ Level: 7.19 J/kg Max Parcel Lev (MPL): 870.33 mb = 1380.70 m = 4529.81 ft Wind level data Storm motion: 11 at 16 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 1008 164 270 3 3.0 -0.0 | 201 17 6.0 16.0 1 1000 231 290 3 2.8 -1.0 | 201 16 5.8 15.0 2 925 880 295 9 8.2 -3.8 | 222 17 11.2 12.2 3 850 1575 300 5 4.3 -2.5 | 209 15 7.3 13.5 4 700 3162 345 27 7.0 -26.1 | 315 14 10.0 -10.1 5 500 5820 345 35 9.1 -33.8 | 326 21 12.1 -17.8 6 400 7500 340 50 17.1 -47.0 | 327 37 20.1 -31.0 7 300 9550 330 52 26.0 -45.0 | 315 41 29.0 -29.0 8 250 10790 330 56 28.0 -48.5 | 316 45 31.0 -32.5 9 207 12021 335 64 27.0 -58.0 | 324 52 30.1 -42.0 10 200 12240 335 64 27.0 -58.0 | 324 52 30.1 -42.0 11 150 14040 350 48 8.3 -47.3 | 340 33 11.4 -31.3 12 117 15550 345 46 11.9 -44.4 | 332 32 14.9 -28.4 13 100 16490 350 17 3.0 -16.7 | 277 6 6.0 -0.7 Wind Parameters Mean winds (0-6000m): 340.7 at 21.7 knts Storm direction: 10.7 at 16.3 knts Shear (0-3000m) pos: 4.5 neg: 0.0 tot: 4.5 10-3/s Storm rel Dir Shear (0-3000m): 114.6 deg Storm rel helicity (0-3000m) pos: 117.3 neg: -15.2 tot: 102.1 m^2/s^2 ave: 34.0 10^-3 m/s^2 rel: 0.77 Storm rel vorticity (0-3000m) horiz: 6.2 stream: 4.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.18 Bulk Shear: 47.74 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 ------------------------------------------------------------------------------- 500 291 5 207 16| 4.5 0.0 4.5| 18.1 0.0 18.1 36.1 0.87| 5.0 4.3 1000 294 6 214 16| 2.5 0.0 2.5| 26.0 -5.9 20.2 20.2 0.57| 4.2 2.4 1500 295 6 213 16| 1.4 0.0 1.4| 30.8 -15.2 15.6 10.4 0.31| 4.0 1.2 2000 301 7 216 15| 2.9 0.0 2.9| 58.1 -15.2 42.9 21.5 0.56| 4.9 2.8 2500 313 9 224 14| 3.9 0.0 3.9| 86.0 -15.2 70.8 28.3 0.69| 5.6 3.9 3000 327 12 236 11| 4.5 0.0 4.5|117.3 -15.2 102.1 34.0 0.77| 6.2 4.8 4000 335 16 259 10| 3.4 0.4 3.8|123.0 -15.2 107.7 26.9 0.74| 5.0 3.7 5000 339 19 279 10| 2.7 0.6 3.3|128.6 -15.2 113.4 22.7 0.72| 4.3 3.1 6000 341 22 294 11| 2.3 0.9 3.2|134.3 -15.2 119.1 19.9 0.66| 4.1 2.7 Wrote GIF file: /home/apache/climate/data/raob//LF145/skewt/LF145.skewt.20251006.12.gif