UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011912.upa.cvt Date: 1200Z 19 JAN 26 Searching for LFKJ... Searching the city database file for: LFKJ ... Date:1200Z 19 JAN 26 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 1013 9 13.0 10.9 87 2.1 11.8 10 3 285.1 286.5 284.4 307.5 8.10 1 1000 115 12.6 10.0 84 2.6 11.1 15 3 285.8 287.1 284.2 307.2 7.72 2 925 767 9.0 4.9 75 4.1 6.9 100 13 288.5 289.5 283.5 305.2 5.87 3 850 1461 3.6 2.2 91 1.4 2.9 90 27 289.9 290.8 283.4 305.0 5.28 4 700 3006 -6.3 -9.6 77 3.3 -7.5 110 33 295.5 296.0 282.8 303.5 2.63 5 500 5560 -23.1 -25.9 78 2.8 -23.7 125 15 304.9 305.0 284.5 307.9 0.93 6 400 7150 -36.3 -40.7 64 4.4 -36.7 160 21 307.8 307.9 284.8 308.8 0.27 7 300 9080 -51.9 -60.9 33 9.0 -52.1 170 15 312.2 312.2 286.2 312.3 0.04 8 250 10230 -62.1 -69.1 39 7.0 -62.1 175 19 313.7 313.7 286.6 313.8 0.01 9 208 11338 -71.7 -77.7 40 6.0 -71.7 160 17 315.6 315.6 287.3 315.7 0.00 10 200 11570 -68.9 -73.5 51 4.6 -68.9 160 17 323.6 323.6 289.9 323.7 0.01 11 150 13340 -60.5 -75.5 12 15.0 -60.7 165 19 365.9 365.9 299.8 365.9 0.01 12 100 15860 -60.7 -89.7 1 29.0 -61.0 205 7 410.4 410.4 306.6 410.5 0.00 TRP 208 11338 -71.7 -77.7 40 6.0 -71.7 160 17 315.6 315.6 287.3 315.7 0.00 WND Sounding variables and indices 1000-500 mb thick: 5445.00 m Freezing level: 795.45 mb = 2022.82 m = 6636.46 ft Wetbulb zero: 808.19 mb = 1862.38 m = 6110.11 ft Precipitable water: 0.82 inches Sfc-500 mean rel hum: 80.38 % Est. max temperature: 17.59 C = 63.67 F Sfc-Lift cond lev (LCL): 981.55 mb = 270.76 m = 888.30 ft T: 11.74 C 700-500 lapse rate: 6.58 C/km ThetaE index: 4.08 C Layer 1000.0- 500.0 mb Conv cond level (CCL): 888.67 mb = 1095.84 m = 3595.22 ft Mean mixing ratio: 6.81 g/kg Conv temperature: 17.11 C = 62.79 F Cap Strength: 1.52 C Lifted Index: 1.61 C Risk: Showers probable Lifted Index @300 mb: 4.39 C Lifted Index @700 mb: -0.28 C Showalter Index: 2.43 C Risk: Showers probable Total Totals Index: 52.00 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.70 C Cross Totals Index: 25.30 C K Index: 25.60 Risk: 40-60 % chance of thunderstorms Sweat Index: 155.40 Risk: None Energy Index: 0.55 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 19.76 J/kg Max Up Vert Vel: 6.29 m/s Conv Inhibition (B-): 22.64 J/kg Cap Strength: 1.52 C Lift Cond Lev (LCL): 916.57 mb = 842.17 m = 2762.99 ft Lev Free Conv (LFC): 811.57 mb = 1829.19 m = 6001.20 ft Equ Level (EL): 621.57 mb = 3908.03 m = 12821.47 ft B at Equ Level: 19.60 J/kg Max Parcel Lev (MPL): 541.57 mb = 4953.83 m = 16252.52 ft Wind level data Storm motion: 138 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 1013 9 10 3 -0.5 -3.0 | 325 19 10.8 -15.4 1 1000 115 15 3 -0.8 -2.9 | 326 19 10.6 -15.4 2 925 767 100 13 -12.8 2.3 | 8 10 -1.5 -10.2 3 850 1461 90 27 -27.0 0.0 | 51 20 -15.7 -12.5 4 700 3006 110 33 -31.0 11.3 | 87 20 -19.7 -1.2 5 500 5560 125 15 -12.3 8.6 | 14 4 -1.0 -3.9 6 400 7150 160 21 -7.2 19.7 | 210 8 4.2 7.3 7 300 9080 170 15 -2.6 14.8 | 255 9 8.7 2.3 8 250 10230 175 19 -1.7 18.9 | 236 12 9.7 6.5 9 208 11338 160 17 -5.8 16.0 | 238 7 5.5 3.5 10 200 11570 160 17 -5.8 16.0 | 238 7 5.5 3.5 11 150 13340 165 19 -4.9 18.4 | 228 9 6.4 5.9 12 100 15860 205 7 3.0 6.3 | 293 16 14.3 -6.1 Wind Parameters Mean winds (0-6000m): 107.7 at 22.5 knts Storm direction: 137.7 at 16.9 knts Shear (0-3000m) pos: 4.5 neg: 1.6 tot: 6.2 10-3/s Storm rel Dir Shear (0-3000m): 121.6 deg Storm rel helicity (0-3000m) pos: 150.6 neg: 0.0 tot: 150.6 m^2/s^2 ave: 50.2 10^-3 m/s^2 rel: 0.81 Storm rel vorticity (0-3000m) horiz: 7.2 stream: 5.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.37 Bulk Shear: 54.02 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 49 5 336 18| 8.0 0.0 8.0| 36.9 0.0 36.9 73.8 0.92| 8.6 7.9 1000 90 9 350 13| 9.2 0.0 9.2| 66.6 0.0 66.6 66.6 0.81| 10.6 8.6 1500 91 14 11 13| 6.2 3.3 9.4| 89.6 0.0 89.6 59.7 0.74| 10.4 7.7 2000 92 17 27 13| 5.3 2.5 7.8|109.1 0.0 109.1 54.6 0.77| 8.7 6.7 2500 95 20 39 14| 4.8 2.0 6.8|129.4 0.0 129.4 51.8 0.79| 7.8 6.2 3000 98 22 49 14| 4.5 1.6 6.2|150.6 0.0 150.6 50.2 0.81| 7.2 5.8 4000 103 24 59 14| 2.7 1.2 3.9|150.7 -1.9 148.8 37.2 0.68| 6.4 4.3 5000 105 24 62 13| 1.6 1.0 2.6|150.7 -8.0 142.7 28.5 0.54| 5.9 3.1 6000 108 22 61 12| 1.4 0.8 2.2|151.1 -12.1 139.0 23.2 0.43| 5.5 2.4 Wrote GIF file: /home/apache/climate/data/raob//LFKJ/skewt/LFKJ.skewt.20260119.12.gif