UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120112.upa.cvt Date: 1200Z 1 DEC 25 Searching for LFKJ... Searching the city database file for: LFKJ ... Date:1200Z 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 1016 9 15.0 11.2 78 3.8 12.8 230 5 286.8 288.3 285.2 309.8 8.24 1 1000 137 13.0 6.0 62 7.0 9.3 245 5 286.1 287.2 282.4 302.6 5.86 2 925 785 7.0 5.1 88 1.9 6.0 210 5 286.5 287.5 282.7 303.2 5.96 3 850 1474 2.4 -1.3 77 3.7 0.7 215 15 288.7 289.4 281.5 300.4 4.09 4 700 3019 -6.7 -9.1 83 2.4 -7.6 230 23 295.1 295.6 282.7 303.3 2.74 5 500 5550 -25.5 -51.5 7 26.0 -27.5 235 36 301.9 302.0 282.3 302.2 0.07 6 400 7140 -35.5 -57.5 9 22.0 -36.5 225 48 308.9 308.9 284.9 309.0 0.04 7 300 9090 -46.5 -78.5 1 32.0 -47.0 245 25 319.8 319.8 288.7 319.8 0.00 8 250 10280 -51.7 -83.7 1 32.0 -52.0 295 25 329.2 329.2 291.5 329.2 0.00 9 200 11710 -57.7 -86.7 1 29.0 -57.9 330 15 341.4 341.4 294.7 341.4 0.00 10 150 13520 -60.5 -89.5 1 29.0 -60.7 275 13 365.9 365.9 299.8 365.9 0.00 11 100 16040 -62.5 -91.5 1 29.0 -62.7 275 9 407.0 407.0 306.1 407.0 0.00 TRP 200 11710 -57.7 -86.7 1 29.0 -57.9 330 15 341.4 341.4 294.7 341.4 0.00 WND Sounding variables and indices 1000-500 mb thick: 5413.00 m Freezing level: 810.44 mb = 1881.47 m = 6172.73 ft Wetbulb zero: 836.97 mb = 1596.95 m = 5239.28 ft Precipitable water: 0.69 inches Sfc-500 mean rel hum: 62.80 % Est. max temperature: 16.34 C = 61.42 F Sfc-Lift cond lev (LCL): 959.82 mb = 477.87 m = 1567.81 ft T: 9.84 C 700-500 lapse rate: 7.43 C/km ThetaE index: 7.21 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 888.38 mb = 1114.16 m = 3655.32 ft Mean mixing ratio: 6.08 g/kg Conv temperature: 15.68 C = 60.22 F Cap Strength: 0.78 C Lifted Index: 1.08 C Risk: Showers probable Lifted Index @300 mb: 11.72 C Lifted Index @700 mb: 0.78 C Showalter Index: 3.13 C Risk: None Total Totals Index: 52.10 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.90 C Cross Totals Index: 24.20 C K Index: 24.20 Risk: 20-40 % chance of thunderstorms Sweat Index: 195.75 Risk: None Energy Index: 0.40 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.28 J/kg Max Up Vert Vel: 1.60 m/s Conv Inhibition (B-): 10281.65 J/kg Cap Strength: 1.04 C Lift Cond Lev (LCL): 903.79 mb = 973.98 m = 3195.43 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 260 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 1016 9 230 5 3.8 3.2 | 92 13 -12.7 0.3 1 1000 137 245 5 4.5 2.1 | 86 12 -12.0 -0.8 2 925 785 210 5 2.5 4.3 | 96 14 -14.0 1.5 3 850 1474 215 15 8.6 12.3 | 140 12 -7.9 9.4 4 700 3019 230 23 17.6 14.8 | 185 12 1.1 11.9 5 500 5550 235 36 29.5 20.6 | 216 22 13.0 17.8 6 400 7140 225 48 33.9 33.9 | 209 36 17.4 31.1 7 300 9090 245 25 22.7 10.6 | 219 10 6.1 7.7 8 250 10280 295 25 22.7 -10.6 | 335 15 6.1 -13.4 9 200 11710 330 15 7.5 -13.0 | 30 18 -9.0 -15.9 10 150 13520 275 13 13.0 -1.1 | 42 5 -3.6 -4.0 11 100 16040 275 9 9.0 -0.8 | 64 8 -7.5 -3.7 Wind Parameters Mean winds (0-6000m): 230.2 at 22.3 knts Storm direction: 260.2 at 16.8 knts Shear (0-3000m) pos: 2.6 neg: 0.7 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 93.4 deg Storm rel helicity (0-3000m) pos: 68.2 neg: -2.8 tot: 65.4 m^2/s^2 ave: 21.8 10^-3 m/s^2 rel: 0.87 Storm rel vorticity (0-3000m) horiz: 3.9 stream: 3.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.03 Bulk Shear: 39.95 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 ------------------------------------------------------------------------------- 500 236 5 90 12| 0.0 0.5 0.5| 3.8 -2.8 1.1 2.1 0.13| 2.6 0.3 1000 224 5 94 13| 0.0 2.0 2.0| 17.0 -2.8 14.3 14.3 0.59| 3.5 2.1 1500 219 8 104 12| 2.4 1.3 3.7| 39.6 -2.8 36.8 24.5 0.79| 4.7 3.8 2000 219 10 114 11| 2.5 1.0 3.5| 48.8 -2.8 46.1 23.0 0.83| 4.3 3.6 2500 220 12 124 11| 2.6 0.8 3.4| 58.3 -2.8 55.5 22.2 0.85| 4.1 3.5 3000 223 13 133 10| 2.6 0.7 3.3| 68.2 -2.8 65.4 21.8 0.87| 3.9 3.4 4000 226 16 151 10| 2.6 0.5 3.1| 81.9 -2.8 79.1 19.8 0.85| 3.6 3.1 5000 228 19 169 10| 2.7 0.4 3.0| 96.7 -2.8 94.0 18.8 0.81| 3.4 2.8 6000 230 22 183 11| 2.4 0.7 3.1|105.0 -6.9 98.1 16.3 0.70| 3.4 2.4 Wrote GIF file: /home/apache/climate/data/raob//LFKJ/skewt/LFKJ.skewt.20251201.12.gif