UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122412.upa.cvt Date: 1200Z 24 DEC 25 Searching for LF145... Searching the city database file for: LF145 ... Date:1200Z 24 DEC 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 1003 165 3.4 -1.0 73 4.4 1.6 45 15 276.3 276.9 274.6 286.0 3.54 1 1000 189 7.2 2.8 74 4.4 5.1 45 17 280.4 281.1 278.3 293.3 4.68 2 850 1487 2.0 -32.0 6 34.0 -5.3 70 42 288.2 288.3 276.3 289.2 0.31 3 700 3023 -8.9 -27.9 20 19.0 -12.8 55 50 292.6 292.7 278.8 294.4 0.55 4 500 5540 -26.1 -40.1 26 14.0 -27.6 25 46 301.2 301.3 282.2 302.0 0.23 5 400 7110 -37.9 -49.9 27 12.0 -38.5 20 66 305.7 305.8 283.8 306.1 0.10 6 389 7302 -39.4 -51.2 27 11.8 -39.9 20 66 306.3 306.3 284.0 306.6 0.09 7 300 9030 -52.9 -62.9 29 10.0 -53.1 360 62 310.8 310.8 285.7 310.9 0.03 8 274 9609 -56.1 -68.1 21 12.0 -56.2 10 62 314.3 314.3 286.9 314.4 0.01 9 250 10190 -56.5 -73.5 10 17.0 -56.7 20 52 322.1 322.1 289.4 322.1 0.01 10 200 11610 -56.7 -76.7 6 20.0 -56.9 30 44 343.0 343.0 295.0 343.0 0.01 11 150 13430 -56.1 -86.1 1 30.0 -56.4 25 33 373.4 373.4 301.2 373.4 0.00 12 100 16030 -53.9 -84.9 1 31.0 -54.5 15 33 423.6 423.6 308.2 423.6 0.00 TRP 274 9609 -56.1 -68.1 21 12.0 -56.2 10 62 314.3 314.3 286.9 314.4 0.01 WND 389 7302 -39.4 -51.2 27 11.8 -39.9 20 66 306.3 306.3 284.0 306.6 0.09 Sounding variables and indices 1000-500 mb thick: 5351.00 m Freezing level: 822.48 mb = 1768.83 m = 5803.19 ft Wetbulb zero: 925.99 mb = 803.16 m = 2635.00 ft Precipitable water: 0.22 inches Sfc-500 mean rel hum: 24.18 % Est. max temperature: 15.17 C = 59.30 F Sfc-Lift cond lev (LCL): 936.95 mb = 709.12 m = 2326.48 ft T: 5.12 C 700-500 lapse rate: 6.83 C/km ThetaE index: 4.03 C Layer 850.0- 700.0 mb Conv cond level (CCL): 704.10 mb = 2976.78 m = 9766.22 ft Mean mixing ratio: 2.84 g/kg Conv temperature: 19.61 C = 67.29 F Cap Strength: 6.22 C Lifted Index: 9.51 C Risk: None Lifted Index @300 mb: 14.23 C Lifted Index @700 mb: 6.20 C Showalter Index: 10.64 C Risk: None Total Totals Index: 22.20 C Risk: None Vertical Totals Index: 28.10 C Cross Totals Index: -5.90 C K Index: -22.90 Risk: None Sweat Index: 130.00 Risk: None Energy Index: 2.67 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.75 J/kg Max Up Vert Vel: 2.74 m/s Conv Inhibition (B-): 15175.79 J/kg Cap Strength: 9.44 C Lift Cond Lev (LCL): 812.81 mb = 1840.91 m = 6039.65 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 77 at 33 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 1003 165 45 15 -10.6 -10.6 | 278 22 21.3 -3.1 1 1000 189 45 17 -12.0 -12.0 | 283 20 19.9 -4.6 2 925 814 55 29 -23.8 -16.6 | 318 12 8.2 -9.2 3 850 1487 70 42 -39.5 -14.4 | 47 10 -7.5 -6.9 4 700 3023 55 50 -41.0 -28.7 | 23 23 -9.0 -21.2 5 500 5540 25 46 -19.4 -41.7 | 340 36 12.5 -34.2 6 400 7110 20 66 -22.6 -62.0 | 350 55 9.4 -54.6 7 389 7302 20 66 -22.6 -62.0 | 350 55 9.4 -54.6 8 300 9030 360 62 -0.0 -62.0 | 330 63 31.9 -54.5 9 274 9609 10 62 -10.8 -61.1 | 338 58 21.2 -53.6 10 250 10190 20 52 -17.8 -48.9 | 341 44 14.2 -41.4 11 200 11610 30 44 -22.0 -38.1 | 342 32 9.9 -30.6 12 150 13430 25 33 -13.9 -29.9 | 321 29 18.0 -22.4 13 100 16030 15 33 -8.5 -31.9 | 316 34 23.4 -24.4 Wind Parameters Mean winds (0-6000m): 46.8 at 43.7 knts Storm direction: 76.8 at 32.8 knts Shear (0-3000m) pos: 5.1 neg: 2.4 tot: 7.5 10-3/s Storm rel Dir Shear (0-3000m): 101.3 deg Storm rel helicity (0-3000m) pos: 86.7 neg: -36.3 tot: 50.5 m^2/s^2 ave: 16.8 10^-3 m/s^2 rel: 0.40 Storm rel vorticity (0-3000m) horiz: 7.9 stream: 3.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.06 Bulk Shear: 66.84 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 49 21 292 17| 11.8 0.0 11.8| 40.8 0.0 40.8 81.5 0.75| 11.9 9.0 1000 55 26 306 13| 11.3 0.0 11.3| 69.2 0.0 69.2 69.2 0.82| 11.7 9.6 1500 61 31 326 9| 10.2 0.0 10.2| 86.7 -1.3 85.4 56.9 0.80| 10.9 8.7 2000 62 34 348 9| 7.6 1.2 8.8| 86.7 -9.0 77.7 38.9 0.64| 9.4 6.0 2500 62 37 2 10| 6.1 1.9 8.0| 86.7 -19.0 67.7 27.1 0.51| 8.5 4.4 3000 60 39 9 12| 5.1 2.4 7.5| 86.7 -36.3 50.5 16.8 0.40| 7.9 3.1 4000 57 41 10 15| 3.8 2.8 6.6| 86.7 -98.3 -11.5 -2.9 0.16| 7.3 1.2 5000 52 43 5 19| 3.1 3.1 6.1| 86.7-166.9 -80.2 -16.0 0.02| 6.8 0.1 6000 47 44 360 22| 2.5 3.3 5.9|126.2-193.2 -67.0 -11.2 0.03| 6.7 0.2 Wrote GIF file: /home/apache/climate/data/raob//LF145/skewt/LF145.skewt.20251224.12.gif