UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042100.upa.cvt Date: 0000Z 21 APR 25 Searching for LFKJ... Searching the city database file for: LFKJ ... Date:0000Z 21 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 1013 9 13.8 12.7 93 1.1 13.1 70 5 285.9 287.5 285.8 311.2 9.14 1 1000 110 13.0 12.4 96 0.6 12.6 65 3 286.1 287.7 285.8 311.3 9.08 2 925 762 9.2 8.5 95 0.7 8.8 130 5 288.7 290.0 285.3 310.0 7.54 3 850 1459 6.0 5.1 94 0.9 5.5 240 9 292.4 293.6 285.7 311.1 6.49 4 700 3023 -2.3 -2.5 99 0.2 -2.4 185 25 299.9 300.8 286.6 313.6 4.55 5 500 5610 -18.7 -19.8 91 1.1 -19.0 180 42 310.2 310.5 287.2 315.4 1.59 6 400 7230 -31.7 -33.4 85 1.7 -31.9 185 46 313.8 313.9 287.3 315.8 0.57 7 300 9190 -49.9 -52.9 71 3.0 -50.0 200 46 315.0 315.0 287.2 315.4 0.09 8 250 10350 -60.9 -64.2 65 3.3 -60.9 205 50 315.5 315.5 287.3 315.6 0.03 9 241 10577 -61.9 -64.8 68 2.9 -61.9 200 54 317.4 317.4 287.9 317.5 0.03 10 200 11750 -54.9 -60.9 47 6.0 -55.1 240 31 345.8 345.8 295.7 346.1 0.05 11 150 13600 -53.9 -60.9 42 7.0 -54.1 245 19 377.2 377.2 301.8 377.5 0.07 12 100 16200 -55.7 -82.7 2 27.0 -56.2 255 13 420.1 420.1 307.7 420.1 0.00 TRP 241 10577 -61.9 -64.8 68 2.9 -61.9 200 54 317.4 317.4 287.9 317.5 0.03 WND Sounding variables and indices 1000-500 mb thick: 5500.00 m Freezing level: 741.57 mb = 2589.60 m = 8495.97 ft Wetbulb zero: 745.18 mb = 2519.17 m = 8264.88 ft Precipitable water: 1.14 inches Sfc-500 mean rel hum: 95.27 % Est. max temperature: 19.69 C = 67.45 F Sfc-Lift cond lev (LCL): 996.61 mb = 138.37 m = 453.98 ft T: 12.83 C 700-500 lapse rate: 6.34 C/km ThetaE index: 1.36 C Layer 925.0- 850.0 mb Conv cond level (CCL): 944.48 mb = 587.69 m = 1928.09 ft Mean mixing ratio: 8.30 g/kg Conv temperature: 15.95 C = 60.71 F Cap Strength: 1.49 C Lifted Index: 3.19 C Risk: None Lifted Index @300 mb: 3.31 C Lifted Index @700 mb: 1.49 C Showalter Index: 2.90 C Risk: Showers probable Total Totals Index: 48.50 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.70 C Cross Totals Index: 23.80 C K Index: 29.60 Risk: 40-60 % chance of thunderstorms Sweat Index: 121.20 Risk: None Energy Index: 0.82 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.04 J/kg Max Up Vert Vel: 4.91 m/s Conv Inhibition (B-): 9376.48 J/kg Cap Strength: 3.11 C Lift Cond Lev (LCL): 952.74 mb = 514.93 m = 1689.37 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 214 at 18 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 70 5 -4.7 -1.7 | 42 22 -14.5 -16.2 1 1000 110 65 3 -2.7 -1.3 | 39 20 -12.6 -15.8 2 925 762 130 5 -3.8 3.2 | 50 18 -13.7 -11.3 3 850 1459 240 9 7.8 4.5 | 12 10 -2.1 -10.0 4 700 3023 185 25 2.2 24.9 | 144 13 -7.7 10.4 5 500 5610 180 42 0.0 42.0 | 160 29 -9.8 27.5 6 400 7230 185 46 4.0 45.8 | 169 32 -5.8 31.3 7 300 9190 200 46 15.7 43.2 | 192 29 5.9 28.7 8 250 10350 205 50 21.1 45.3 | 200 33 11.3 30.8 9 241 10577 200 54 18.5 50.7 | 193 37 8.6 36.3 10 200 11750 240 31 26.8 15.5 | 267 17 17.0 1.0 11 150 13600 245 19 17.2 8.0 | 311 10 7.4 -6.5 12 100 16200 255 13 12.6 3.4 | 346 11 2.7 -11.1 Wind Parameters Mean winds (0-6000m): 184.2 at 23.4 knts Storm direction: 214.2 at 17.5 knts Shear (0-3000m) pos: 2.5 neg: 3.5 tot: 6.0 10-3/s Storm rel Dir Shear (0-3000m): 102.0 deg Storm rel helicity (0-3000m) pos: 25.9 neg: -31.4 tot: -5.5 m^2/s^2 ave: -1.8 10^-3 m/s^2 rel: -0.05 Storm rel vorticity (0-3000m) horiz: 7.4 stream: -0.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.15 Bulk Shear: 78.26 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 83 4 42 20| 2.9 0.0 2.9| 13.7 -6.7 7.0 13.9 0.29| 4.9 1.4 1000 117 4 48 19| 4.5 0.0 4.5| 24.6 -6.7 17.9 17.9 0.33| 5.7 1.9 1500 168 6 51 14| 5.0 0.0 5.0| 24.6 -26.9 -2.3 -1.5 -0.18| 7.2 -1.3 2000 205 7 40 11| 3.7 1.6 5.3| 24.7 -28.6 -3.9 -2.0 -0.17| 7.0 -1.2 2500 205 9 44 9| 3.0 2.7 5.7| 25.9 -28.6 -2.7 -1.1 -0.03| 7.2 -0.2 3000 195 11 64 8| 2.5 3.5 6.0| 25.9 -31.4 -5.5 -1.8 -0.05| 7.4 -0.4 4000 189 15 96 7| 1.9 3.5 5.4| 37.4 -31.4 6.0 1.5 0.01| 6.5 0.1 5000 186 20 123 9| 1.5 3.5 5.0| 47.4 -31.4 16.0 3.2 0.04| 5.8 0.2 6000 184 23 137 12| 1.4 3.2 4.6| 61.3 -31.4 29.9 5.0 0.07| 5.3 0.4 Wrote GIF file: /home/apache/climate/data/raob//LFKJ/skewt/LFKJ.skewt.20250421.00.gif