UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122600.upa.cvt Date: 0000Z 26 DEC 25 Searching for LF145... Searching the city database file for: LF145 ... Date:0000Z 26 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 1003 166 -2.7 -4.4 88 1.7 -3.3 55 7 270.2 270.7 269.7 277.6 2.74 1 1000 190 -2.5 -4.0 89 1.5 -3.0 55 9 270.6 271.1 270.1 278.3 2.84 2 925 810 3.6 -1.2 71 4.8 1.5 45 13 283.0 283.6 278.4 293.7 3.78 3 850 1501 3.8 -5.2 52 9.0 0.1 45 17 290.1 290.7 280.9 299.1 3.05 4 700 3047 -6.9 -13.9 57 7.0 -9.1 85 23 294.8 295.2 281.5 300.5 1.86 5 500 5580 -25.1 -36.1 35 11.0 -26.5 90 33 302.4 302.5 282.8 303.6 0.35 6 400 7160 -38.1 -50.1 27 12.0 -38.7 85 29 305.5 305.5 283.7 305.8 0.10 7 300 9070 -53.3 -61.3 37 8.0 -53.4 90 31 310.2 310.2 285.4 310.3 0.03 8 250 10240 -56.9 -67.9 24 11.0 -57.1 90 42 321.5 321.5 289.2 321.5 0.02 9 244 10393 -57.7 -68.7 23 11.0 -57.8 90 44 322.5 322.5 289.5 322.6 0.02 10 200 11650 -55.9 -74.9 8 19.0 -56.1 105 36 344.2 344.2 295.3 344.3 0.01 11 150 13480 -53.9 -77.9 4 24.0 -54.3 120 25 377.2 377.2 301.8 377.2 0.01 12 100 16080 -53.5 -84.5 1 31.0 -54.1 90 13 424.4 424.4 308.2 424.4 0.00 TRP 244 10393 -57.7 -68.7 23 11.0 -57.8 90 44 322.5 322.5 289.5 322.6 0.02 WND Sounding variables and indices 1000-500 mb thick: 5390.00 m Freezing level: Surface below freezing Freezing level: 969.26 mb = 444.10 m = 1457.00 ft Freezing level: 796.73 mb = 2050.05 m = 6725.79 ft Wetbulb zero: Below ground Precipitable water: 0.45 inches Sfc-500 mean rel hum: 54.39 % Est. max temperature: 16.92 C = 62.46 F Sfc-Lift cond lev (LCL): 976.42 mb = 379.80 m = 1246.03 ft T: -0.63 C 700-500 lapse rate: 7.19 C/km ThetaE index: 0.00 C Layer 1003.0- -0.0 mb Conv cond level (CCL): 1000.00 mb = 190.00 m = 623.35 ft Mean mixing ratio: 3.38 g/kg Conv temperature: -1.45 C = 29.39 F Cap Strength: 10.31 C Lifted Index: 12.91 C Risk: None Lifted Index @300 mb: 16.00 C Lifted Index @700 mb: 10.31 C Showalter Index: 4.53 C Risk: None Total Totals Index: 48.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 28.90 C Cross Totals Index: 19.90 C K Index: 16.70 Risk: < 20 % chance of thunderstorms Sweat Index: 67.00 Risk: None Energy Index: 0.96 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 40.38 J/kg Max Up Vert Vel: 8.99 m/s Conv Inhibition (B-): 17535.63 J/kg Cap Strength: 12.87 C Lift Cond Lev (LCL): 900.23 mb = 1031.79 m = 3385.09 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 109 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 1003 166 55 7 -5.7 -4.0 | 312 14 10.7 -9.7 1 1000 190 55 9 -7.4 -5.2 | 320 14 9.1 -10.9 2 925 810 45 13 -9.2 -9.2 | 334 17 7.2 -14.9 3 850 1501 45 17 -12.0 -12.0 | 346 18 4.4 -17.7 4 700 3047 85 23 -22.9 -2.0 | 40 10 -6.5 -7.7 5 500 5580 90 33 -33.0 0.0 | 71 18 -16.6 -5.7 6 400 7160 85 29 -28.9 -2.5 | 56 15 -12.5 -8.3 7 300 9070 90 31 -31.0 0.0 | 69 16 -14.6 -5.7 8 250 10240 90 42 -42.0 0.0 | 77 26 -25.6 -5.7 9 244 10393 90 44 -44.0 0.0 | 78 28 -27.6 -5.7 10 200 11650 105 36 -34.8 9.3 | 101 19 -18.3 3.6 11 150 13480 120 25 -21.7 12.5 | 142 9 -5.2 6.8 12 100 16080 90 13 -13.0 0.0 | 329 7 3.4 -5.7 Wind Parameters Mean winds (0-6000m): 79.2 at 23.2 knts Storm direction: 109.2 at 17.4 knts Shear (0-3000m) pos: 2.6 neg: 1.4 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): 89.9 deg Storm rel helicity (0-3000m) pos: 87.2 neg: 0.0 tot: 87.2 m^2/s^2 ave: 29.1 10^-3 m/s^2 rel: 0.86 Storm rel vorticity (0-3000m) horiz: 4.5 stream: 3.8 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 1.38 Bulk Shear: 29.36 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 51 10 326 15| 0.0 5.4 5.4| 19.0 0.0 19.0 38.1 0.92| 5.5 5.1 1000 48 12 331 16| 0.0 4.2 4.2| 30.8 0.0 30.8 30.8 0.89| 4.3 3.9 1500 47 13 336 16| 1.0 2.8 3.8| 44.5 0.0 44.5 29.7 0.89| 4.0 3.6 2000 50 15 341 16| 1.8 2.1 3.9| 60.9 0.0 60.9 30.4 0.87| 4.2 3.7 2500 55 16 347 15| 2.3 1.7 4.0| 75.7 0.0 75.7 30.3 0.86| 4.4 3.8 3000 62 17 354 14| 2.6 1.4 4.1| 87.2 0.0 87.2 29.1 0.86| 4.5 3.8 4000 70 19 7 12| 2.5 1.1 3.5| 96.5 0.0 96.5 24.1 0.85| 3.9 3.3 5000 76 21 21 12| 2.4 0.8 3.2|106.6 0.0 106.6 21.3 0.82| 3.5 2.9 6000 79 23 32 12| 2.1 0.7 2.8|110.9 -6.6 104.3 17.4 0.74| 3.2 2.4 Wrote GIF file: /home/apache/climate/data/raob//LF145/skewt/LF145.skewt.20251226.00.gif