UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120100.upa.cvt Date: 0000Z 1 DEC 25 Searching for LFKJ... Searching the city database file for: LFKJ ... Date:0000Z 1 DEC 25 Station: LFKJ WMO ident: 7761 Latitude: 41.92 Longitude: 8.80 Elevation: 9.00 ------------------------------------------------------------------------------- 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 1015 9 11.4 10.3 93 1.1 10.8 100 3 283.3 284.7 283.3 304.7 7.76 1 1000 132 12.4 8.4 77 4.0 10.2 105 5 285.5 286.8 283.3 304.9 6.92 2 925 782 9.0 7.8 92 1.2 8.3 200 9 288.5 289.8 284.9 308.8 7.19 3 850 1477 4.6 3.0 89 1.6 3.8 235 15 291.0 292.0 284.2 307.0 5.59 4 700 3028 -4.9 -6.0 92 1.1 -5.4 235 13 297.1 297.7 284.4 307.5 3.49 5 500 5590 -21.3 -24.7 74 3.4 -22.0 250 25 307.1 307.3 285.5 310.5 1.03 6 400 7190 -33.9 -34.9 91 1.0 -34.0 240 40 310.9 311.0 286.2 312.6 0.49 7 300 9140 -48.1 -53.1 56 5.0 -48.3 240 42 317.6 317.6 288.1 317.9 0.09 8 250 10320 -57.5 -61.1 63 3.6 -57.6 240 54 320.6 320.6 289.0 320.7 0.04 9 235 10710 -59.9 -63.4 63 3.5 -60.0 240 50 322.7 322.7 289.6 322.8 0.03 10 200 11720 -60.1 -70.1 26 10.0 -60.2 250 42 337.6 337.6 293.7 337.7 0.02 11 150 13510 -59.7 -76.7 9 17.0 -59.9 255 48 367.2 367.2 300.1 367.3 0.01 12 100 16030 -62.3 -91.3 1 29.0 -62.5 260 27 407.4 407.4 306.2 407.4 0.00 TRP 235 10710 -59.9 -63.4 63 3.5 -60.0 240 50 322.7 322.7 289.6 322.8 0.03 WND Sounding variables and indices 1000-500 mb thick: 5458.00 m Freezing level: 777.37 mb = 2228.01 m = 7309.66 ft Wetbulb zero: 788.14 mb = 2080.64 m = 6826.16 ft Precipitable water: 0.94 inches Sfc-500 mean rel hum: 86.21 % Est. max temperature: 18.55 C = 65.39 F Sfc-Lift cond lev (LCL): 998.42 mb = 145.15 m = 476.20 ft T: 12.33 C 700-500 lapse rate: 6.40 C/km ThetaE index: 1.78 C Layer 850.0- 700.0 mb Conv cond level (CCL): 891.31 mb = 1086.96 m = 3566.10 ft Mean mixing ratio: 7.10 g/kg Conv temperature: 17.68 C = 63.83 F Cap Strength: 1.50 C Lifted Index: 3.11 C Risk: None Lifted Index @300 mb: 7.84 C Lifted Index @700 mb: 0.88 C Showalter Index: 2.94 C Risk: Showers probable Total Totals Index: 50.20 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 25.90 C Cross Totals Index: 24.30 C K Index: 27.80 Risk: 40-60 % chance of thunderstorms Sweat Index: 172.35 Risk: None Energy Index: 0.65 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.12 J/kg Max Up Vert Vel: 4.50 m/s Conv Inhibition (B-): 8454.60 J/kg Cap Strength: 2.90 C Lift Cond Lev (LCL): 928.71 mb = 748.60 m = 2456.00 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 269 at 12 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 1015 9 100 3 -3.0 0.5 | 91 15 -14.9 0.3 1 1000 132 105 5 -4.8 1.3 | 94 17 -16.8 1.1 2 925 782 200 9 3.1 8.5 | 133 12 -8.9 8.3 3 850 1477 235 15 12.3 8.6 | 182 8 0.3 8.4 4 700 3028 235 13 10.6 7.5 | 170 7 -1.3 7.3 5 500 5590 250 25 23.5 8.6 | 234 14 11.5 8.4 6 400 7190 240 40 34.6 20.0 | 229 30 22.7 19.8 7 300 9140 240 42 36.4 21.0 | 230 32 24.4 20.8 8 250 10320 240 54 46.8 27.0 | 232 44 34.8 26.8 9 235 10710 240 50 43.3 25.0 | 232 40 31.3 24.8 10 200 11720 250 42 39.5 14.4 | 243 31 27.5 14.2 11 150 13510 255 48 46.4 12.4 | 250 36 34.4 12.2 12 100 16030 260 27 26.6 4.7 | 253 15 14.6 4.5 Wind Parameters Mean winds (0-6000m): 239.1 at 16.0 knts Storm direction: 269.1 at 12.0 knts Shear (0-3000m) pos: 3.0 neg: 0.3 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 78.4 deg Storm rel helicity (0-3000m) pos: 70.6 neg: -3.4 tot: 67.2 m^2/s^2 ave: 22.4 10^-3 m/s^2 rel: 0.72 Storm rel vorticity (0-3000m) horiz: 4.4 stream: 3.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.22 Bulk Shear: 45.18 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 ------------------------------------------------------------------------------- 500 132 6 102 17| 6.6 0.0 6.6| 30.1 0.0 30.1 60.1 0.83| 8.5 7.0 1000 179 7 120 14| 6.4 0.0 6.4| 55.0 0.0 55.0 55.0 0.82| 8.7 7.2 1500 206 9 136 11| 5.9 0.0 5.9| 70.6 0.0 70.6 47.1 0.85| 8.1 6.9 2000 218 11 146 10| 4.4 0.2 4.6| 70.6 -1.1 69.5 34.7 0.80| 6.2 5.0 2500 223 11 152 9| 3.5 0.3 3.8| 70.6 -2.3 68.3 27.3 0.76| 5.1 3.9 3000 226 12 155 9| 3.0 0.3 3.3| 70.6 -3.4 67.2 22.4 0.72| 4.4 3.1 4000 230 13 163 8| 2.8 0.2 3.1| 80.2 -3.4 76.8 19.2 0.75| 3.9 2.9 5000 235 14 176 8| 2.7 0.2 2.9| 91.5 -3.4 88.1 17.6 0.76| 3.6 2.8 6000 239 16 192 8| 2.5 0.2 2.7| 99.2 -4.2 95.0 15.8 0.68| 3.7 2.5 Wrote GIF file: /home/apache/climate/data/raob//LFKJ/skewt/LFKJ.skewt.20251201.00.gif