UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042712.upa.cvt Date: 1200Z 27 APR 25 Searching for LFKJ... Searching the city database file for: LFKJ ... Date:1200Z 27 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 1017 9 17.2 13.3 78 3.9 14.8 345 1 289.0 290.6 287.3 315.5 9.47 1 1000 148 15.2 12.7 85 2.5 13.7 350 1 288.4 290.0 286.8 314.3 9.26 2 925 805 12.0 6.0 67 6.0 8.8 75 3 291.6 292.7 285.2 309.8 6.34 3 850 1506 6.2 4.3 88 1.9 5.2 100 7 292.6 293.7 285.4 310.3 6.13 4 700 3066 -3.9 -3.9 100 0.0 -3.9 110 7 298.2 298.9 285.5 310.4 4.09 5 500 5650 -19.3 -20.5 90 1.2 -19.6 120 17 309.5 309.8 286.9 314.4 1.50 6 400 7260 -32.9 -44.9 29 12.0 -33.8 145 25 312.2 312.3 286.4 312.9 0.17 7 300 9220 -49.1 -52.6 67 3.5 -49.2 160 29 316.1 316.2 287.6 316.5 0.10 8 250 10390 -56.5 -64.5 36 8.0 -56.6 160 25 322.1 322.1 289.4 322.2 0.03 TRP WND Sounding variables and indices 1000-500 mb thick: 5502.00 m Freezing level: 757.92 mb = 2463.62 m = 8082.66 ft Wetbulb zero: 764.51 mb = 2357.67 m = 7735.06 ft Precipitable water: 1.05 inches Sfc-500 mean rel hum: 90.16 % Est. max temperature: 20.67 C = 69.20 F Sfc-Lift cond lev (LCL): 959.68 mb = 494.81 m = 1623.37 ft T: 13.51 C 700-500 lapse rate: 5.96 C/km ThetaE index: 5.76 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 878.71 mb = 1230.60 m = 4037.35 ft Mean mixing ratio: 7.93 g/kg Conv temperature: 20.50 C = 68.89 F Cap Strength: 1.86 C Lifted Index: 1.54 C Risk: Showers probable Lifted Index @300 mb: 2.97 C Lifted Index @700 mb: -0.93 C Showalter Index: 2.83 C Risk: Showers probable Total Totals Index: 49.10 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 25.50 C Cross Totals Index: 23.60 C K Index: 29.80 Risk: 40-60 % chance of thunderstorms Sweat Index: 84.60 Risk: None Energy Index: 0.77 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 57.93 J/kg Max Up Vert Vel: 10.76 m/s Conv Inhibition (B-): 29.91 J/kg Cap Strength: 1.86 C Lift Cond Lev (LCL): 909.62 mb = 943.97 m = 3096.99 ft Lev Free Conv (LFC): 824.62 mb = 1749.54 m = 5739.87 ft Equ Level (EL): 584.62 mb = 4449.21 m = 14596.97 ft B at Equ Level: 57.82 J/kg Max Parcel Lev (MPL): 474.62 mb = 6025.81 m = 19769.49 ft Wind level data Storm motion: 143 at 7 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 1017 9 345 1 0.3 -1.0 | 326 8 4.3 -6.3 1 1000 148 350 1 0.2 -1.0 | 326 8 4.3 -6.4 2 925 805 75 3 -2.9 -0.8 | 349 6 1.2 -6.2 3 850 1506 100 7 -6.9 1.2 | 34 5 -2.8 -4.2 4 700 3066 110 7 -6.6 2.4 | 40 4 -2.5 -3.0 5 500 5650 120 17 -14.7 8.5 | 106 11 -10.6 3.1 6 400 7260 145 25 -14.3 20.5 | 146 18 -10.3 15.1 7 300 9220 160 29 -9.9 27.3 | 165 23 -5.8 21.9 8 250 10390 160 25 -8.6 23.5 | 166 19 -4.5 18.1 Wind Parameters Mean winds (0-6000m): 112.8 at 9.0 knts Storm direction: 142.8 at 6.8 knts Shear (0-3000m) pos: 1.3 neg: 0.0 tot: 1.3 10-3/s Storm rel Dir Shear (0-3000m): 74.0 deg Storm rel helicity (0-3000m) pos: 13.1 neg: 0.0 tot: 13.1 m^2/s^2 ave: 4.4 10^-3 m/s^2 rel: 0.84 Storm rel vorticity (0-3000m) horiz: 1.6 stream: 1.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 5.05 Bulk Shear: 11.46 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 15 1 331 8| 1.7 0.0 1.7| 3.5 0.0 3.5 7.0 0.97| 1.8 1.7 1000 62 2 341 7| 2.3 0.0 2.3| 7.9 0.0 7.9 7.9 0.86| 2.5 2.2 1500 83 3 352 6| 2.6 0.0 2.6| 12.6 0.0 12.6 8.4 0.90| 2.8 2.6 2000 91 4 1 5| 1.9 0.0 1.9| 12.8 0.0 12.8 6.4 0.88| 2.2 2.0 2500 95 5 8 5| 1.6 0.0 1.6| 12.9 0.0 12.9 5.2 0.86| 1.9 1.6 3000 99 5 13 5| 1.3 0.0 1.3| 13.1 0.0 13.1 4.4 0.84| 1.6 1.4 4000 103 6 24 4| 1.5 0.0 1.5| 16.9 0.0 16.9 4.2 0.84| 1.7 1.4 5000 108 7 44 4| 1.6 0.0 1.6| 21.6 0.0 21.6 4.3 0.79| 1.8 1.4 6000 113 9 66 5| 1.7 0.0 1.7| 31.5 0.0 31.5 5.3 0.76| 1.9 1.4 Wrote GIF file: /home/apache/climate/data/raob//LFKJ/skewt/LFKJ.skewt.20250427.12.gif