UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121812.upa.cvt Date: 1200Z 18 DEC 25 Searching for LFME... Searching the city database file for: LFME ... Date:1200Z 18 DEC 25 Station: LFME WMO ident: 7645 Latitude: 43.87 Longitude: 4.40 Elevation: 62.00 ------------------------------------------------------------------------------- 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 1018 62 14.6 12.1 85 2.5 13.1 130 9 286.3 287.8 285.5 310.6 8.74 1 1000 211 12.2 9.3 82 2.9 10.6 140 13 285.4 286.6 283.7 305.8 7.36 2 925 858 7.0 6.5 97 0.5 6.8 145 21 286.5 287.6 283.4 304.9 6.57 3 850 1548 4.4 -0.6 70 5.0 2.1 180 23 290.8 291.5 282.7 303.2 4.30 4 700 3107 -2.1 -13.1 43 11.0 -6.0 215 27 300.2 300.5 284.0 306.4 1.99 5 500 5680 -17.5 -47.5 5 30.0 -21.0 315 7 311.7 311.7 286.1 312.1 0.10 6 400 7320 -27.1 -36.1 42 9.0 -28.3 15 17 319.8 319.9 289.2 321.3 0.44 7 300 9320 -44.3 -53.3 36 9.0 -44.7 20 35 322.9 322.9 289.8 323.3 0.09 8 250 10520 -54.1 -63.1 32 9.0 -54.3 35 44 325.6 325.6 290.5 325.8 0.03 9 200 11910 -62.3 -75.3 16 13.0 -62.4 360 17 334.1 334.1 292.8 334.1 0.01 10 179 12591 -66.9 -77.9 20 11.0 -67.0 355 27 337.3 337.3 293.7 337.4 0.01 11 150 13670 -64.5 -85.5 4 21.0 -64.6 340 13 359.0 359.0 298.5 359.0 0.00 12 100 16160 -62.7 -91.7 1 29.0 -62.9 235 7 406.6 406.6 306.1 406.6 0.00 TRP 179 12591 -66.9 -77.9 20 11.0 -67.0 355 27 337.3 337.3 293.7 337.4 0.01 WND Sounding variables and indices 1000-500 mb thick: 5469.00 m Freezing level: 748.46 mb = 2603.32 m = 8540.98 ft Wetbulb zero: 811.31 mb = 1922.08 m = 6305.95 ft Precipitable water: 0.72 inches Sfc-500 mean rel hum: 48.57 % Est. max temperature: 18.02 C = 64.44 F Sfc-Lift cond lev (LCL): 980.65 mb = 373.20 m = 1224.40 ft T: 10.90 C 700-500 lapse rate: 5.99 C/km ThetaE index: 7.33 C Layer 1000.0- 700.0 mb Conv cond level (CCL): 936.57 mb = 754.82 m = 2476.42 ft Mean mixing ratio: 7.12 g/kg Conv temperature: 14.61 C = 58.30 F Cap Strength: 4.15 C Lifted Index: 7.50 C Risk: None Lifted Index @300 mb: 12.28 C Lifted Index @700 mb: 4.15 C Showalter Index: 9.26 C Risk: None Total Totals Index: 38.80 C Risk: None Vertical Totals Index: 21.90 C Cross Totals Index: 16.90 C K Index: 10.30 Risk: None Sweat Index: 53.00 Risk: None Energy Index: 1.87 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.56 J/kg Max Up Vert Vel: 2.67 m/s Conv Inhibition (B-): 0.43 J/kg Cap Strength: 7.46 C Lift Cond Lev (LCL): 941.52 mb = 711.12 m = 2333.05 ft Lev Free Conv (LFC): 926.52 mb = 844.40 m = 2770.32 ft Equ Level (EL): 916.52 mb = 933.18 m = 3061.59 ft B at Equ Level: 3.51 J/kg Max Parcel Lev (MPL): 876.52 mb = 1297.33 m = 4256.27 ft Wind level data Storm motion: 231 at 14 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 1018 62 130 9 -6.9 5.8 | 80 18 -17.9 -3.2 1 1000 211 140 13 -8.4 10.0 | 93 19 -19.3 1.0 2 925 858 145 21 -12.0 17.2 | 110 24 -23.0 8.2 3 850 1548 180 23 0.0 23.0 | 142 18 -11.0 14.0 4 700 3107 215 27 15.5 22.1 | 199 14 4.5 13.1 5 500 5680 315 7 4.9 -4.9 | 23 15 -6.0 -13.9 6 400 7320 15 17 -4.4 -16.4 | 31 30 -15.4 -25.4 7 300 9320 20 35 -12.0 -32.9 | 29 48 -23.0 -41.9 8 250 10520 35 44 -25.2 -36.0 | 39 58 -36.2 -45.0 9 200 11910 360 17 -0.0 -17.0 | 23 28 -11.0 -26.0 10 179 12591 355 27 2.4 -26.9 | 14 37 -8.6 -35.9 11 150 13670 340 13 4.4 -12.2 | 17 22 -6.5 -21.2 12 100 16160 235 7 5.7 4.0 | 47 7 -5.2 -5.0 Wind Parameters Mean winds (0-6000m): 200.7 at 18.9 knts Storm direction: 230.7 at 14.2 knts Shear (0-3000m) pos: 4.7 neg: 0.0 tot: 4.7 10-3/s Storm rel Dir Shear (0-3000m): 117.0 deg Storm rel helicity (0-3000m) pos: 184.3 neg: 0.0 tot: 184.3 m^2/s^2 ave: 61.4 10^-3 m/s^2 rel: 0.90 Storm rel vorticity (0-3000m) horiz: 7.1 stream: 6.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.09 Bulk Shear: 38.67 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 ------------------------------------------------------------------------------- 500 140 14 95 20| 9.0 0.0 9.0| 40.4 0.0 40.4 80.8 0.88| 9.1 8.0 1000 144 17 103 21| 7.2 0.0 7.2| 79.3 0.0 79.3 79.3 0.86| 8.4 7.2 1500 154 19 112 21| 6.4 0.0 6.4|124.8 0.0 124.8 83.2 0.86| 9.0 7.7 2000 163 20 121 20| 5.5 0.0 5.5|144.9 0.0 144.9 72.5 0.87| 8.0 7.0 2500 172 21 130 18| 5.0 0.0 5.0|164.6 0.0 164.6 65.8 0.89| 7.4 6.6 3000 180 22 139 17| 4.7 0.0 4.7|184.3 0.0 184.3 61.4 0.90| 7.1 6.4 4000 193 22 154 14| 3.3 0.0 3.3|225.4 0.0 225.4 56.4 0.90| 7.5 6.8 5000 199 21 159 12| 2.1 0.0 2.1|258.8 0.0 258.8 51.8 0.91| 7.4 6.7 6000 201 19 154 10| 1.5 0.0 1.5|280.4 -3.5 276.9 46.1 0.87| 6.9 6.0 Wrote GIF file: /home/apache/climate/data/raob//LFME/skewt/LFME.skewt.20251218.12.gif