UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122500.upa.cvt Date: 0000Z 25 DEC 25 Searching for LFME... Searching the city database file for: LFME ... Date:0000Z 25 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 1003 62 3.6 1.7 87 1.9 2.8 350 19 276.5 277.2 275.7 288.3 4.31 1 1000 84 3.4 -6.6 48 10.0 -0.2 350 19 276.5 276.9 272.9 283.1 2.33 2 925 715 1.8 0.8 93 1.0 1.4 70 5 281.1 281.9 278.3 293.3 4.38 3 850 1396 0.2 0.0 99 0.2 0.1 150 27 286.4 287.1 281.0 299.1 4.50 4 700 2934 -6.9 -7.5 95 0.6 -7.1 170 31 294.8 295.4 283.1 304.1 3.11 5 500 5470 -25.9 -27.8 84 1.9 -26.2 195 21 301.5 301.6 283.0 304.0 0.78 6 400 7040 -37.9 -42.4 63 4.5 -38.2 220 29 305.7 305.8 284.0 306.5 0.23 7 300 8950 -53.3 -59.3 48 6.0 -53.4 220 27 310.2 310.2 285.5 310.4 0.04 8 251 10085 -59.7 -67.7 35 8.0 -59.8 230 25 316.9 317.0 287.8 317.0 0.02 9 250 10110 -59.7 -67.7 35 8.0 -59.8 230 25 317.3 317.3 287.9 317.4 0.02 10 200 11510 -56.7 -65.7 31 9.0 -56.9 230 3 343.0 343.0 295.1 343.1 0.03 11 150 13340 -55.9 -67.9 21 12.0 -56.2 355 11 373.8 373.8 301.2 373.9 0.03 12 100 15940 -53.7 -81.7 2 28.0 -54.3 340 15 424.0 424.0 308.2 424.0 0.01 TRP 251 10085 -59.7 -67.7 35 8.0 -59.8 230 25 316.9 317.0 287.8 317.0 0.02 WND Sounding variables and indices 1000-500 mb thick: 5386.00 m Freezing level: 845.77 mb = 1439.32 m = 4722.13 ft Wetbulb zero: 1000.22 mb = 82.42 m = 270.39 ft Precipitable water: 0.65 inches Sfc-500 mean rel hum: 90.25 % Est. max temperature: 13.23 C = 55.82 F Sfc-Lift cond lev (LCL): 973.91 mb = 298.00 m = 977.66 ft T: 2.86 C 700-500 lapse rate: 7.49 C/km ThetaE index: 5.19 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 738.96 mb = 2504.89 m = 8218.05 ft Mean mixing ratio: 3.59 g/kg Conv temperature: 19.57 C = 67.23 F Cap Strength: 9.08 C Lifted Index: 10.70 C Risk: None Lifted Index @300 mb: 14.77 C Lifted Index @700 mb: 9.08 C Showalter Index: 3.67 C Risk: None Total Totals Index: 52.00 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.10 C Cross Totals Index: 25.90 C K Index: 25.50 Risk: 40-60 % chance of thunderstorms Sweat Index: 135.00 Risk: None Energy Index: 1.01 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 16.84 J/kg Max Up Vert Vel: 5.80 m/s Conv Inhibition (B-): 15214.52 J/kg Cap Strength: 10.67 C Lift Cond Lev (LCL): 895.44 mb = 976.53 m = 3203.81 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 203 at 18 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 62 350 19 3.3 -18.7 | 6 35 -3.6 -35.2 1 1000 84 350 19 3.3 -18.7 | 6 35 -3.6 -35.2 2 925 715 70 5 -4.7 -1.7 | 32 22 -11.6 -18.2 3 850 1396 150 27 -13.5 23.4 | 109 21 -20.4 6.8 4 700 2934 170 31 -5.4 30.5 | 139 19 -12.2 14.0 5 500 5470 195 21 5.4 20.3 | 159 4 -1.4 3.7 6 400 7040 220 29 18.6 22.2 | 244 13 11.8 5.7 7 300 8950 220 27 17.4 20.7 | 248 11 10.5 4.1 8 251 10085 230 25 19.2 16.1 | 272 12 12.3 -0.5 9 250 10110 230 25 19.2 16.1 | 272 12 12.3 -0.5 10 200 11510 230 3 2.3 1.9 | 17 15 -4.6 -14.6 11 150 13340 355 11 1.0 -11.0 | 12 28 -5.9 -27.5 12 100 15940 340 15 5.1 -14.1 | 3 31 -1.7 -30.6 Wind Parameters Mean winds (0-6000m): 172.5 at 23.9 knts Storm direction: 202.5 at 17.9 knts Shear (0-3000m) pos: 8.5 neg: 0.0 tot: 8.5 10-3/s Storm rel Dir Shear (0-3000m): 134.1 deg Storm rel helicity (0-3000m) pos: 373.0 neg: 0.0 tot: 373.0 m^2/s^2 ave: 124.3 10^-3 m/s^2 rel: 0.88 Storm rel vorticity (0-3000m) horiz: 11.0 stream: 9.7 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 0.09 Bulk Shear: 186.78 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 6 14 15 32| 17.1 0.0 17.1|121.4 0.0 121.4 242.8 0.79| 18.5 14.7 1000 31 12 26 30| 15.8 0.0 15.8|206.3 0.0 206.3 206.3 0.82| 17.6 14.3 1500 116 16 65 23| 15.7 0.0 15.7|322.2 0.0 322.2 214.8 0.88| 18.4 16.1 2000 139 19 83 19| 12.2 0.0 12.2|340.1 0.0 340.1 170.1 0.88| 14.7 12.9 2500 149 21 94 18| 10.1 0.0 10.1|358.0 0.0 358.0 143.2 0.89| 12.5 11.0 3000 155 23 103 17| 8.5 0.0 8.5|373.0 0.0 373.0 124.3 0.88| 11.0 9.7 4000 162 24 114 16| 5.8 0.0 5.8|381.0 0.0 381.0 95.2 0.83| 9.1 7.5 5000 167 24 120 14| 4.2 0.0 4.2|384.1 0.0 384.1 76.8 0.79| 7.8 6.2 6000 173 24 126 12| 3.5 0.0 3.5|389.8 0.0 389.8 65.0 0.78| 7.1 5.5 Wrote GIF file: /home/apache/climate/data/raob//LFME/skewt/LFME.skewt.20251225.00.gif