UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041700.upa.cvt Date: 0000Z 17 APR 25 Searching for LFKJ... Searching the city database file for: LFKJ ... Date:0000Z 17 APR 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 1000 9 12.6 11.8 95 0.8 12.1 70 3 285.8 287.3 285.3 309.9 8.72 1 925 656 8.4 8.0 97 0.4 8.2 340 9 287.9 289.2 284.7 308.4 7.29 2 850 1351 4.6 4.0 96 0.6 4.3 320 13 291.0 292.0 284.6 308.2 6.00 3 700 2909 -2.5 -2.5 100 0.0 -2.5 120 23 299.7 300.5 286.5 313.4 4.55 4 500 5490 -18.7 -19.4 94 0.7 -18.9 120 31 310.2 310.6 287.3 315.6 1.65 5 400 7120 -31.1 -32.3 89 1.2 -31.3 115 42 314.6 314.7 287.7 316.8 0.64 6 300 9080 -47.9 -50.3 76 2.4 -48.0 105 62 317.8 317.9 288.2 318.3 0.13 7 287 9371 -50.3 -53.0 73 2.6 -50.4 105 66 318.4 318.4 288.3 318.8 0.10 8 279 9555 -51.9 -54.7 72 2.8 -52.0 110 62 318.7 318.8 288.4 319.1 0.08 9 250 10270 -49.5 -55.5 49 6.0 -49.7 150 46 332.5 332.5 292.4 332.8 0.08 10 200 11740 -47.9 -60.9 21 13.0 -48.4 185 19 356.9 356.9 298.1 357.2 0.05 11 150 13630 -51.3 -72.3 6 21.0 -51.8 195 23 381.7 381.7 302.5 381.7 0.01 12 100 16240 -55.7 -86.7 1 31.0 -56.2 225 25 420.1 420.1 307.7 420.1 0.00 TRP 279 9555 -51.9 -54.7 72 2.8 -52.0 110 62 318.7 318.8 288.4 319.1 0.08 WND 287 9371 -50.3 -53.0 73 2.6 -50.4 105 66 318.4 318.4 288.3 318.8 0.10 Sounding variables and indices 1000-500 mb thick: 5481.00 m Freezing level: 752.82 mb = 2360.41 m = 7744.03 ft Wetbulb zero: 755.17 mb = 2300.27 m = 7546.73 ft Precipitable water: 1.06 inches Sfc-500 mean rel hum: 97.16 % Est. max temperature: 17.81 C = 64.07 F Sfc-Lift cond lev (LCL): 988.18 mb = 107.67 m = 353.23 ft T: 11.96 C 700-500 lapse rate: 6.28 C/km ThetaE index: 1.77 C Layer 925.0- 700.0 mb Conv cond level (CCL): 925.00 mb = 656.00 m = 2152.20 ft Mean mixing ratio: 7.76 g/kg Conv temperature: 15.27 C = 59.49 F Cap Strength: 2.11 C Lifted Index: 4.25 C Risk: None Lifted Index @300 mb: 6.51 C Lifted Index @700 mb: 2.11 C Showalter Index: 4.78 C Risk: None Total Totals Index: 46.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.30 C Cross Totals Index: 22.70 C K Index: 27.30 Risk: 40-60 % chance of thunderstorms Sweat Index: 105.00 Risk: None Energy Index: 1.45 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.99 J/kg Max Up Vert Vel: 4.90 m/s Conv Inhibition (B-): 0.57 J/kg Cap Strength: 4.23 C Lift Cond Lev (LCL): 941.60 mb = 508.42 m = 1668.03 ft Lev Free Conv (LFC): 906.60 mb = 821.18 m = 2694.13 ft Equ Level (EL): 846.60 mb = 1383.20 m = 4538.00 ft B at Equ Level: 11.93 J/kg Max Parcel Lev (MPL): 776.60 mb = 2075.74 m = 6810.08 ft Wind level data Storm motion: 144 at 16 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 1000 9 70 3 -2.8 -1.0 | 335 15 6.6 -13.9 1 1000 7 70 3 -2.8 -1.0 | 335 15 6.6 -13.9 2 925 656 340 9 3.1 -8.5 | 330 25 12.5 -21.3 3 850 1351 320 13 8.4 -10.0 | 322 29 17.8 -22.8 4 700 2909 120 23 -19.9 11.5 | 83 11 -10.5 -1.4 5 500 5490 120 31 -26.8 15.5 | 99 18 -17.4 2.6 6 400 7120 115 42 -38.1 17.7 | 100 29 -28.7 4.9 7 300 9080 105 62 -59.9 16.0 | 94 51 -50.5 3.2 8 287 9371 105 66 -63.8 17.1 | 94 55 -54.4 4.2 9 279 9555 110 62 -58.3 21.2 | 100 50 -48.9 8.3 10 250 10270 150 46 -23.0 39.8 | 153 30 -13.6 27.0 11 200 11740 185 19 1.7 18.9 | 241 13 11.1 6.0 12 150 13630 195 23 6.0 22.2 | 239 18 15.4 9.3 13 100 16240 225 25 17.7 17.7 | 260 28 27.1 4.8 Wind Parameters Mean winds (0-6000m): 113.9 at 21.3 knts Storm direction: 143.9 at 15.9 knts Shear (0-3000m) pos: 5.7 neg: 2.0 tot: 7.8 10-3/s Storm rel Dir Shear (0-3000m): 108.8 deg Storm rel helicity (0-3000m) pos: 291.5 neg: -47.1 tot: 244.3 m^2/s^2 ave: 81.4 10^-3 m/s^2 rel: 0.59 Storm rel vorticity (0-3000m) horiz: 11.6 stream: 6.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.16 Bulk Shear: 73.38 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 5 5 334 20| 0.0 7.4 7.4| 6.0 -8.6 -2.6 -5.1 -0.02| 8.2 -0.1 1000 346 7 331 23| 0.0 6.1 6.1| 6.0 -34.1 -28.1 -28.1 -0.29| 7.1 -2.1 1500 335 9 328 25| 1.1 4.1 5.2| 33.7 -47.1 -13.4 -8.9 -0.11| 6.9 -0.8 2000 347 11 333 26| 3.8 3.1 6.8|143.9 -47.1 96.8 48.4 0.34| 8.9 3.1 2500 9 12 343 26| 5.4 2.5 7.8|240.7 -47.1 193.6 77.4 0.52| 10.6 5.5 3000 44 14 1 23| 5.7 2.0 7.8|291.5 -47.1 244.3 81.4 0.59| 11.6 6.8 4000 100 17 35 12| 4.3 1.2 5.4|296.7 -47.1 249.6 62.4 0.58| 9.1 5.3 5000 110 19 54 11| 3.4 0.6 4.1|302.0 -47.1 254.9 51.0 0.58| 7.6 4.4 6000 114 21 67 11| 2.9 0.4 3.2|306.4 -47.1 259.2 43.2 0.55| 6.8 3.7 Wrote GIF file: /home/apache/climate/data/raob//LFKJ/skewt/LFKJ.skewt.20250417.00.gif