UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122712.upa.cvt Date: 1200Z 27 DEC 25 Searching for LFME... Searching the city database file for: LFME ... Date:1200Z 27 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 11.8 2.8 54 9.0 7.4 50 1 283.5 284.3 279.7 296.4 4.59 1 1000 204 9.4 1.4 57 8.0 5.6 45 5 282.5 283.3 278.8 294.4 4.23 2 925 851 8.2 -0.8 53 9.0 4.1 125 21 287.7 288.4 280.8 298.9 3.90 3 850 1543 3.4 -0.2 77 3.6 1.7 120 21 289.7 290.5 282.4 302.5 4.43 4 700 3090 -6.3 -9.7 77 3.4 -7.5 125 27 295.5 296.0 282.7 303.4 2.61 5 500 5640 -23.5 -39.5 22 16.0 -25.4 115 38 304.4 304.4 283.5 305.3 0.25 6 400 7230 -37.1 -43.1 54 6.0 -37.5 115 38 306.8 306.8 284.4 307.5 0.21 7 300 9140 -52.1 -66.1 17 14.0 -52.3 125 54 311.9 311.9 286.0 312.0 0.02 8 250 10320 -54.3 -77.3 4 23.0 -54.5 130 50 325.3 325.3 290.4 325.4 0.00 9 226 10961 -57.3 -78.3 5 21.0 -57.5 125 42 330.3 330.3 291.8 330.3 0.00 10 200 11730 -57.9 -81.9 3 24.0 -58.1 105 29 341.1 341.1 294.6 341.1 0.00 11 150 13550 -55.9 -86.9 1 31.0 -56.2 160 13 373.8 373.8 301.2 373.8 0.00 12 100 16120 -56.1 -87.1 1 31.0 -56.6 195 17 419.3 419.3 307.6 419.3 0.00 TRP 226 10961 -57.3 -78.3 5 21.0 -57.5 125 42 330.3 330.3 291.8 330.3 0.00 WND Sounding variables and indices 1000-500 mb thick: 5436.00 m Freezing level: 797.42 mb = 2085.25 m = 6841.28 ft Wetbulb zero: 822.15 mb = 1808.45 m = 5933.17 ft Precipitable water: 0.62 inches Sfc-500 mean rel hum: 59.50 % Est. max temperature: 17.54 C = 63.58 F Sfc-Lift cond lev (LCL): 888.09 mb = 1184.25 m = 3885.29 ft T: 5.89 C 700-500 lapse rate: 6.75 C/km ThetaE index: 1.98 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 748.34 mb = 2557.94 m = 8392.07 ft Mean mixing ratio: 4.11 g/kg Conv temperature: 21.90 C = 71.42 F Cap Strength: 5.11 C Lifted Index: 7.89 C Risk: None Lifted Index @300 mb: 10.93 C Lifted Index @700 mb: 5.11 C Showalter Index: 3.73 C Risk: None Total Totals Index: 50.20 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.90 C Cross Totals Index: 23.30 C K Index: 23.30 Risk: 20-40 % chance of thunderstorms Sweat Index: 104.00 Risk: None Energy Index: 0.59 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.49 J/kg Max Up Vert Vel: 4.36 m/s Conv Inhibition (B-): 12427.36 J/kg Cap Strength: 7.70 C Lift Cond Lev (LCL): 848.54 mb = 1556.70 m = 5107.24 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 149 at 20 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 50 1 -0.8 -0.6 | 332 20 9.5 -17.9 1 1000 204 45 5 -3.5 -3.5 | 342 22 6.7 -20.8 2 925 851 125 21 -17.2 12.0 | 53 9 -7.0 -5.3 3 850 1543 120 21 -18.2 10.5 | 50 10 -8.0 -6.8 4 700 3090 125 27 -22.1 15.5 | 81 12 -11.9 -1.8 5 500 5640 115 38 -34.4 16.1 | 87 24 -24.2 -1.2 6 400 7230 115 38 -34.4 16.1 | 87 24 -24.2 -1.2 7 300 9140 125 54 -44.2 31.0 | 112 37 -34.0 13.7 8 250 10320 130 50 -38.3 32.1 | 118 32 -28.1 14.8 9 226 10961 125 42 -34.4 24.1 | 106 25 -24.2 6.8 10 200 11730 105 29 -28.0 7.5 | 61 20 -17.8 -9.8 11 150 13550 160 13 -4.4 12.2 | 311 8 5.8 -5.1 12 100 16120 195 17 4.4 16.4 | 273 15 14.6 -0.9 Wind Parameters Mean winds (0-6000m): 119.4 at 26.8 knts Storm direction: 149.4 at 20.1 knts Shear (0-3000m) pos: 4.6 neg: 0.2 tot: 4.8 10-3/s Storm rel Dir Shear (0-3000m): 108.6 deg Storm rel helicity (0-3000m) pos: 126.9 neg: -1.3 tot: 125.6 m^2/s^2 ave: 41.9 10^-3 m/s^2 rel: 0.80 Storm rel vorticity (0-3000m) horiz: 6.2 stream: 5.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.15 Bulk Shear: 64.97 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 74 8 351 20| 13.5 0.0 13.5| 77.2 0.0 77.2 154.3 0.92| 15.9 14.6 1000 115 13 8 12| 10.7 0.0 10.7|109.6 -0.4 109.2 109.2 0.81| 14.9 12.0 1500 118 16 21 11| 7.1 0.4 7.5|109.6 -1.3 108.3 72.2 0.76| 10.4 7.9 2000 119 17 29 10| 5.8 0.3 6.2|115.2 -1.3 114.0 57.0 0.78| 8.3 6.4 2500 120 19 37 10| 5.1 0.3 5.3|121.0 -1.3 119.7 47.9 0.79| 7.1 5.6 3000 121 20 44 10| 4.6 0.2 4.8|126.9 -1.3 125.6 41.9 0.80| 6.2 5.0 4000 122 22 57 10| 3.4 0.7 4.1|131.4 -1.3 130.1 32.5 0.73| 5.3 3.9 5000 121 25 66 12| 2.7 1.1 3.8|133.3 -1.3 132.0 26.4 0.66| 4.7 3.1 6000 119 27 72 14| 2.3 1.1 3.4|133.3 -1.7 131.6 21.9 0.62| 4.2 2.6 Wrote GIF file: /home/apache/climate/data/raob//LFME/skewt/LFME.skewt.20251227.12.gif