UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011812.upa.cvt Date: 1200Z 18 JAN 26 Searching for LFKJ... Searching the city database file for: LFKJ ... Date:1200Z 18 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 1016 9 15.6 10.6 72 5.0 12.7 230 3 287.4 288.8 285.2 309.6 7.91 1 1000 137 13.8 9.6 76 4.2 11.4 200 1 287.0 288.3 284.5 308.0 7.52 2 925 791 9.8 5.4 74 4.4 7.5 120 9 289.3 290.4 284.0 306.6 6.08 3 850 1486 4.6 1.7 81 2.9 3.2 125 23 291.0 291.9 283.7 305.6 5.09 4 700 3033 -6.9 -8.3 90 1.4 -7.4 130 25 294.8 295.4 282.8 303.6 2.92 5 500 5580 -23.3 -31.3 48 8.0 -24.5 130 23 304.6 304.7 284.0 306.5 0.56 6 400 7170 -36.1 -42.1 54 6.0 -36.5 155 27 308.1 308.1 284.9 308.9 0.24 7 300 9100 -52.1 -58.1 48 6.0 -52.2 170 25 311.9 311.9 286.1 312.1 0.05 8 250 10260 -62.3 -68.3 44 6.0 -62.4 160 25 313.4 313.4 286.6 313.5 0.02 9 218 11095 -65.9 -72.9 37 7.0 -66.0 185 25 320.4 320.4 288.9 320.4 0.01 10 200 11620 -62.5 -76.5 14 14.0 -62.6 190 23 333.8 333.8 292.7 333.8 0.01 11 150 13410 -57.9 -84.9 2 27.0 -58.2 195 33 370.3 370.3 300.6 370.3 0.00 12 100 15970 -59.7 -89.7 1 30.0 -60.0 205 23 412.4 412.4 306.8 412.4 0.00 TRP 218 11095 -65.9 -72.9 37 7.0 -66.0 185 25 320.4 320.4 288.9 320.4 0.01 WND Sounding variables and indices 1000-500 mb thick: 5443.00 m Freezing level: 790.00 mb = 2104.80 m = 6905.43 ft Wetbulb zero: 804.97 mb = 1919.71 m = 6298.19 ft Precipitable water: 0.82 inches Sfc-500 mean rel hum: 75.24 % Est. max temperature: 18.78 C = 65.81 F Sfc-Lift cond lev (LCL): 942.75 mb = 631.56 m = 2072.03 ft T: 10.78 C 700-500 lapse rate: 6.44 C/km ThetaE index: 6.02 C Layer 1000.0- 500.0 mb Conv cond level (CCL): 873.88 mb = 1258.30 m = 4128.23 ft Mean mixing ratio: 6.87 g/kg Conv temperature: 18.61 C = 65.50 F Cap Strength: 1.61 C Lifted Index: 0.62 C Risk: Showers probable Lifted Index @300 mb: 3.31 C Lifted Index @700 mb: -1.53 C Showalter Index: 1.82 C Risk: Showers probable Total Totals Index: 52.90 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.90 C Cross Totals Index: 25.00 C K Index: 28.20 Risk: 40-60 % chance of thunderstorms Sweat Index: 167.40 Risk: None Energy Index: 0.14 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 109.93 J/kg Max Up Vert Vel: 14.83 m/s Conv Inhibition (B-): 32.74 J/kg Cap Strength: 1.61 C Lift Cond Lev (LCL): 904.44 mb = 975.79 m = 3201.37 ft Lev Free Conv (LFC): 809.44 mb = 1875.62 m = 6153.52 ft Equ Level (EL): 529.44 mb = 5146.98 m = 16886.21 ft B at Equ Level: 109.58 J/kg Max Parcel Lev (MPL): 369.44 mb = 7703.26 m = 25272.87 ft Wind level data Storm motion: 159 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 1016 9 230 3 2.3 1.9 | 328 15 7.8 -12.6 1 1000 137 200 1 0.3 0.9 | 337 15 5.9 -13.6 2 925 791 120 9 -7.8 4.5 | 13 10 -2.2 -10.0 3 850 1486 125 23 -18.8 13.2 | 84 13 -13.3 -1.3 4 700 3033 130 25 -19.2 16.1 | 97 14 -13.6 1.6 5 500 5580 130 23 -17.6 14.8 | 91 12 -12.1 0.3 6 400 7170 155 27 -11.4 24.5 | 150 12 -5.9 10.0 7 300 9100 170 25 -4.3 24.6 | 187 10 1.2 10.1 8 250 10260 160 25 -8.6 23.5 | 162 9 -3.0 9.0 9 218 11095 185 25 2.2 24.9 | 217 13 7.7 10.4 10 200 11620 190 23 4.0 22.7 | 229 13 9.5 8.2 11 150 13410 195 33 8.5 31.9 | 219 22 14.1 17.4 12 100 15970 205 23 9.7 20.8 | 247 17 15.3 6.4 Wind Parameters Mean winds (0-6000m): 129.1 at 20.7 knts Storm direction: 159.1 at 15.5 knts Shear (0-3000m) pos: 2.0 neg: 2.5 tot: 4.5 10-3/s Storm rel Dir Shear (0-3000m): 128.4 deg Storm rel helicity (0-3000m) pos: 69.8 neg: -0.6 tot: 69.2 m^2/s^2 ave: 23.1 10^-3 m/s^2 rel: 0.82 Storm rel vorticity (0-3000m) horiz: 5.0 stream: 4.1 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 2.40 Bulk Shear: 45.84 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 ------------------------------------------------------------------------------- 500 171 3 336 13| 0.0 5.8 5.8| 10.9 -0.6 10.4 20.8 0.44| 7.0 3.1 1000 127 6 356 11| 0.0 7.5 7.5| 34.9 -0.6 34.3 34.3 0.75| 8.6 6.4 1500 125 10 18 9| 3.3 5.0 8.3| 59.8 -0.6 59.2 39.5 0.80| 9.0 7.3 2000 125 13 39 9| 2.7 3.8 6.4| 63.1 -0.6 62.5 31.2 0.81| 7.0 5.7 2500 126 16 53 9| 2.3 3.0 5.3| 66.4 -0.6 65.8 26.3 0.82| 5.8 4.7 3000 127 17 63 9| 2.0 2.5 4.5| 69.8 -0.6 69.2 23.1 0.82| 5.0 4.1 4000 128 19 73 10| 1.5 1.8 3.3| 69.8 -2.0 67.8 17.0 0.79| 3.8 3.0 5000 128 20 79 10| 1.2 1.4 2.6| 69.8 -3.5 66.3 13.3 0.75| 3.2 2.4 6000 129 21 82 11| 1.1 1.1 2.3| 78.6 -4.3 74.3 12.4 0.76| 2.9 2.2 Wrote GIF file: /home/apache/climate/data/raob//LFKJ/skewt/LFKJ.skewt.20260118.12.gif