UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025123012.upa.cvt Date: 1200Z 30 DEC 25 Searching for LF145... Searching the city database file for: LF145 ... Date:1200Z 30 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 1009 171 4.0 0.4 77 3.6 2.4 45 11 276.4 277.1 275.2 287.1 3.90 1 1000 244 3.0 1.4 89 1.6 2.3 45 11 276.1 276.9 275.5 287.7 4.23 2 925 870 -2.1 -5.0 80 2.9 -3.1 65 25 277.2 277.6 274.0 285.1 2.84 3 850 1535 -3.3 -24.3 18 21.0 -8.0 65 36 282.7 282.8 273.8 284.6 0.63 4 700 3073 -4.9 -29.9 12 25.0 -10.2 20 15 297.1 297.1 280.7 298.6 0.46 5 500 5630 -22.7 -40.7 18 18.0 -24.8 20 25 305.4 305.4 283.8 306.1 0.22 6 400 7220 -35.7 -49.7 22 14.0 -36.5 10 21 308.6 308.6 284.9 309.0 0.10 7 300 9160 -50.5 -60.5 30 10.0 -50.7 345 31 314.2 314.2 286.8 314.3 0.04 8 250 10320 -58.7 -65.7 40 7.0 -58.8 340 40 318.8 318.8 288.4 318.9 0.02 9 200 11690 -68.1 -71.9 58 3.8 -68.1 320 29 324.9 324.9 290.3 325.0 0.01 10 197 11781 -68.9 -72.4 60 3.5 -68.9 315 29 325.0 325.0 290.3 325.1 0.01 11 150 13430 -64.7 -79.7 11 15.0 -64.8 310 27 358.6 358.6 298.4 358.6 0.00 12 100 15930 -61.7 -87.7 2 26.0 -61.9 300 33 408.5 408.5 306.3 408.5 0.00 TRP 197 11781 -68.9 -72.4 60 3.5 -68.9 315 29 325.0 325.0 290.3 325.1 0.01 WND Sounding variables and indices 1000-500 mb thick: 5386.00 m Freezing level: 955.88 mb = 612.24 m = 2008.62 ft Wetbulb zero: 968.28 mb = 502.86 m = 1649.78 ft Precipitable water: 0.24 inches Sfc-500 mean rel hum: 27.71 % Est. max temperature: 9.57 C = 49.22 F Sfc-Lift cond lev (LCL): 954.39 mb = 618.81 m = 2030.19 ft T: -0.05 C 700-500 lapse rate: 6.96 C/km ThetaE index: 3.05 C Layer 925.0- 700.0 mb Conv cond level (CCL): 675.39 mb = 3344.98 m = 10974.20 ft Mean mixing ratio: 3.41 g/kg Conv temperature: 25.61 C = 78.11 F Cap Strength: 13.30 C Lifted Index: 16.42 C Risk: None Lifted Index @300 mb: 19.85 C Lifted Index @700 mb: 13.30 C Showalter Index: 17.59 C Risk: None Total Totals Index: 17.80 C Risk: None Vertical Totals Index: 19.40 C Cross Totals Index: -1.60 C K Index: -29.90 Risk: None Sweat Index: 97.00 Risk: None Energy Index: 4.65 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.71 J/kg Max Up Vert Vel: 3.07 m/s Conv Inhibition (B-): 15631.15 J/kg Cap Strength: 16.38 C Lift Cond Lev (LCL): 922.35 mb = 892.53 m = 2928.23 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 69 at 17 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 1009 171 45 11 -7.8 -7.8 | 281 8 8.0 -1.6 1 1000 244 45 11 -7.8 -7.8 | 281 8 8.0 -1.6 2 925 870 65 25 -22.7 -10.6 | 58 8 -6.9 -4.4 3 850 1535 65 36 -32.6 -15.2 | 62 19 -16.8 -9.0 4 700 3073 20 15 -5.1 -14.1 | 307 13 10.7 -7.9 5 500 5630 20 25 -8.6 -23.5 | 337 19 7.2 -17.3 6 400 7220 10 21 -3.6 -20.7 | 320 19 12.1 -14.5 7 300 9160 345 31 8.0 -29.9 | 315 34 23.8 -23.7 8 250 10320 340 40 13.7 -37.6 | 317 43 29.5 -31.4 9 200 11690 320 29 18.6 -22.2 | 295 38 34.4 -16.0 10 197 11781 315 29 20.5 -20.5 | 292 39 36.3 -14.3 11 150 13430 310 27 20.7 -17.4 | 287 38 36.5 -11.2 12 100 15930 300 33 28.6 -16.5 | 283 46 44.4 -10.3 Wind Parameters Mean winds (0-6000m): 38.6 at 22.6 knts Storm direction: 68.6 at 17.0 knts Shear (0-3000m) pos: 3.4 neg: 3.8 tot: 7.2 10-3/s Storm rel Dir Shear (0-3000m): 27.0 deg Storm rel helicity (0-3000m) pos: 22.5 neg: -101.6 tot: -79.1 m^2/s^2 ave: -26.4 10^-3 m/s^2 rel: -0.24 Storm rel vorticity (0-3000m) horiz: 9.4 stream: -2.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.46 Bulk Shear: 10.35 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 53 15 308 5| 10.5 0.0 10.5| 12.2 0.0 12.2 24.4 0.87| 10.7 9.3 1000 61 20 28 4| 10.3 0.0 10.3| 19.9 0.0 19.9 19.9 0.65| 10.6 6.9 1500 63 25 50 8| 6.9 1.6 8.5| 21.3 -12.1 9.2 6.1 0.39| 9.8 3.9 2000 60 26 46 10| 5.1 2.5 7.6| 21.3 -49.9 -28.6 -14.3 0.04| 10.0 0.4 2500 58 26 39 10| 4.1 3.5 7.6| 21.3 -79.9 -58.6 -23.4 -0.15| 9.9 -1.5 3000 56 24 32 9| 3.4 3.8 7.2| 22.5-101.6 -79.1 -26.4 -0.24| 9.4 -2.3 4000 50 23 10 9| 2.6 2.7 5.3| 35.6-101.6 -65.9 -16.5 -0.17| 7.6 -1.3 5000 43 22 358 10| 2.1 2.2 4.2| 48.8-101.6 -52.8 -10.6 -0.11| 6.5 -0.7 6000 39 23 352 12| 1.7 1.9 3.7| 54.1-110.7 -56.6 -9.4 -0.11| 5.7 -0.7 Wrote GIF file: /home/apache/climate/data/raob//LF145/skewt/LF145.skewt.20251230.12.gif