UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121700.upa.cvt Date: 0000Z 17 DEC 25 Searching for LFME... Searching the city database file for: LFME ... Date:0000Z 17 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 1011 62 10.8 9.7 93 1.1 10.2 230 1 283.1 284.4 282.8 303.7 7.48 1 1000 148 12.4 9.3 81 3.1 10.7 230 1 285.5 286.8 283.8 306.0 7.36 2 925 798 8.6 6.3 85 2.3 7.3 265 3 288.1 289.2 284.0 306.4 6.48 3 850 1491 4.2 2.4 88 1.8 3.3 355 1 290.5 291.5 283.8 305.9 5.35 4 700 3042 -5.5 -12.5 58 7.0 -7.9 15 7 296.4 296.8 282.5 302.8 2.09 5 500 5600 -22.3 -40.3 18 18.0 -24.5 110 3 305.9 305.9 284.1 306.7 0.23 6 400 7190 -36.1 -50.1 22 14.0 -36.9 350 7 308.1 308.1 284.7 308.4 0.10 7 300 9130 -48.1 -62.1 18 14.0 -48.4 335 25 317.6 317.6 288.0 317.7 0.03 8 250 10310 -54.7 -65.7 24 11.0 -54.9 145 11 324.7 324.7 290.2 324.8 0.02 9 200 11730 -58.3 -74.3 11 16.0 -58.5 50 13 340.4 340.4 294.4 340.5 0.01 10 187 12154 -59.7 -77.7 8 18.0 -59.9 145 15 344.8 344.8 295.4 344.8 0.01 11 150 13540 -58.9 -85.9 2 27.0 -59.1 310 11 368.6 368.6 300.3 368.6 0.00 12 100 16090 -60.7 -89.7 1 29.0 -61.0 165 15 410.4 410.4 306.6 410.5 0.00 TRP 187 12154 -59.7 -77.7 8 18.0 -59.9 145 15 344.8 344.8 295.4 344.8 0.01 WND Sounding variables and indices 1000-500 mb thick: 5452.00 m Freezing level: 785.05 mb = 2162.57 m = 7094.95 ft Wetbulb zero: 805.64 mb = 1919.18 m = 6296.44 ft Precipitable water: 0.74 inches Sfc-500 mean rel hum: 59.18 % Est. max temperature: 17.94 C = 64.29 F Sfc-Lift cond lev (LCL): 994.45 mb = 194.39 m = 637.75 ft T: 12.13 C 700-500 lapse rate: 6.57 C/km ThetaE index: 3.61 C Layer 850.0- 500.0 mb Conv cond level (CCL): 890.72 mb = 1107.47 m = 3633.39 ft Mean mixing ratio: 6.89 g/kg Conv temperature: 16.96 C = 62.53 F Cap Strength: 1.34 C Lifted Index: 2.52 C Risk: None Lifted Index @300 mb: 8.31 C Lifted Index @700 mb: 0.57 C Showalter Index: 2.64 C Risk: Showers probable Total Totals Index: 51.20 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.50 C Cross Totals Index: 24.70 C K Index: 21.90 Risk: 20-40 % chance of thunderstorms Sweat Index: 77.80 Risk: None Energy Index: 0.15 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 7.34 J/kg Max Up Vert Vel: 3.83 m/s Conv Inhibition (B-): 9604.73 J/kg Cap Strength: 2.45 C Lift Cond Lev (LCL): 923.36 mb = 812.50 m = 2665.66 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 57 at 3 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 1011 62 230 1 0.8 0.6 | 235 4 3.2 2.3 1 1000 148 230 1 0.8 0.6 | 235 4 3.2 2.3 2 925 798 265 3 3.0 0.3 | 251 6 5.5 1.9 3 850 1491 355 1 0.1 -1.0 | 256 3 2.6 0.6 4 700 3042 15 7 -1.8 -6.8 | 353 5 0.7 -5.1 5 500 5600 110 3 -2.8 1.0 | 173 3 -0.3 2.6 6 400 7190 350 7 1.2 -6.9 | 325 6 3.7 -5.3 7 300 9130 335 25 10.6 -22.7 | 328 25 13.0 -21.0 8 250 10310 145 11 -6.3 9.0 | 160 11 -3.8 10.6 9 200 11730 50 13 -10.0 -8.4 | 48 10 -7.5 -6.7 10 187 12154 145 15 -8.6 12.3 | 156 15 -6.1 13.9 11 150 13540 310 11 8.4 -7.1 | 297 12 10.9 -5.5 12 100 16090 165 15 -3.9 14.5 | 175 16 -1.4 16.1 Wind Parameters Mean winds (0-6000m): 26.9 at 3.9 knts Storm direction: 56.9 at 3.0 knts Shear (0-3000m) pos: 1.3 neg: 0.0 tot: 1.3 10-3/s Storm rel Dir Shear (0-3000m): 118.3 deg Storm rel helicity (0-3000m) pos: 8.4 neg: -0.3 tot: 8.0 m^2/s^2 ave: 2.7 10^-3 m/s^2 rel: 0.63 Storm rel vorticity (0-3000m) horiz: 2.1 stream: 1.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.02 Bulk Shear: 3.63 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 ------------------------------------------------------------------------------- 500 244 2 239 4| 1.4 0.0 1.4| 0.9 0.0 0.9 1.7 0.48| 1.5 0.7 1000 263 2 248 5| 1.1 0.0 1.1| 3.4 0.0 3.4 3.4 0.63| 2.1 1.3 1500 270 2 250 5| 0.7 0.0 0.7| 3.7 -0.3 3.4 2.3 0.41| 2.1 0.9 2000 295 2 260 4| 1.0 0.0 1.0| 5.1 -0.3 4.8 2.4 0.55| 2.1 1.1 2500 328 2 277 4| 1.2 0.0 1.2| 6.5 -0.3 6.2 2.5 0.61| 2.1 1.3 3000 351 3 296 3| 1.3 0.0 1.3| 8.4 -0.3 8.0 2.7 0.63| 2.1 1.3 4000 11 4 320 3| 0.8 0.0 0.8| 11.7 -0.3 11.4 2.8 0.67| 2.1 1.4 5000 21 4 334 2| 0.5 0.0 0.5| 13.4 -0.3 13.1 2.6 0.72| 2.0 1.5 6000 27 4 340 2| 0.3 0.2 0.5| 14.2 -1.5 12.7 2.1 0.57| 2.0 1.1 Wrote GIF file: /home/apache/climate/data/raob//LFME/skewt/LFME.skewt.20251217.00.gif