UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011800.upa.cvt Date: 0000Z 18 JAN 26 Searching for LFKJ... Searching the city database file for: LFKJ ... Date:0000Z 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 1015 9 12.0 6.0 67 6.0 8.9 30 9 283.9 284.9 281.3 300.0 5.78 1 1000 133 15.4 4.4 48 11.0 9.6 30 7 288.5 289.5 282.8 303.5 5.24 2 925 787 9.8 3.8 66 6.0 6.7 105 5 289.3 290.3 283.3 304.8 5.43 3 850 1482 4.0 2.4 89 1.6 3.2 105 17 290.3 291.3 283.7 305.7 5.35 4 700 3033 -5.7 -8.4 81 2.7 -6.7 140 29 296.2 296.7 283.4 304.9 2.90 5 500 5580 -22.7 -30.7 48 8.0 -24.0 165 27 305.4 305.5 284.3 307.4 0.59 6 400 7180 -35.1 -40.1 60 5.0 -35.5 155 29 309.4 309.4 285.5 310.4 0.29 7 300 9110 -51.3 -55.5 61 4.2 -51.4 175 31 313.0 313.1 286.5 313.3 0.07 8 250 10270 -61.9 -66.6 53 4.7 -61.9 175 35 314.0 314.0 286.8 314.1 0.02 9 219 11077 -67.9 -72.8 49 4.9 -67.9 165 35 316.9 316.9 287.8 316.9 0.01 10 200 11630 -61.9 -69.9 34 8.0 -62.0 205 29 334.7 334.7 293.0 334.8 0.02 11 150 13430 -57.1 -74.1 10 17.0 -57.3 215 35 371.7 371.7 300.9 371.8 0.01 12 100 15990 -57.9 -87.9 1 30.0 -58.3 210 27 415.9 415.9 307.2 415.9 0.00 TRP 219 11077 -67.9 -72.8 49 4.9 -67.9 165 35 316.9 316.9 287.8 316.9 0.01 WND Sounding variables and indices 1000-500 mb thick: 5447.00 m Freezing level: 788.14 mb = 2121.59 m = 6960.50 ft Wetbulb zero: 801.77 mb = 1948.62 m = 6393.04 ft Precipitable water: 0.77 inches Sfc-500 mean rel hum: 70.86 % Est. max temperature: 18.23 C = 64.81 F Sfc-Lift cond lev (LCL): 926.92 mb = 769.63 m = 2524.99 ft T: 9.95 C 700-500 lapse rate: 6.67 C/km ThetaE index: 0.80 C Layer 700.0- 500.0 mb Conv cond level (CCL): 813.67 mb = 1830.93 m = 6006.91 ft Mean mixing ratio: 5.37 g/kg Conv temperature: 19.77 C = 67.59 F Cap Strength: 1.64 C Lifted Index: 3.59 C Risk: None Lifted Index @300 mb: 6.63 C Lifted Index @700 mb: 1.55 C Showalter Index: 2.36 C Risk: Showers probable Total Totals Index: 51.80 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.70 C Cross Totals Index: 25.10 C K Index: 26.40 Risk: 40-60 % chance of thunderstorms Sweat Index: 145.80 Risk: None Energy Index: 0.30 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.03 J/kg Max Up Vert Vel: 4.48 m/s Conv Inhibition (B-): 10034.55 J/kg Cap Strength: 3.54 C Lift Cond Lev (LCL): 851.22 mb = 1470.20 m = 4823.44 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 172 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 1015 9 30 9 -4.5 -7.8 | 5 24 -2.2 -24.3 1 1000 133 30 7 -3.5 -6.1 | 3 23 -1.2 -22.5 2 925 787 105 5 -4.8 1.3 | 10 15 -2.5 -15.2 3 850 1482 105 17 -16.4 4.4 | 50 19 -14.1 -12.1 4 700 3033 140 29 -18.6 22.2 | 109 17 -16.4 5.8 5 500 5580 165 27 -7.0 26.1 | 154 11 -4.7 9.6 6 400 7180 155 29 -12.3 26.3 | 135 14 -10.0 9.8 7 300 9110 175 31 -2.7 30.9 | 178 14 -0.4 14.4 8 250 10270 175 35 -3.1 34.9 | 178 18 -0.8 18.4 9 219 11077 165 35 -9.1 33.8 | 159 19 -6.8 17.3 10 200 11630 205 29 12.3 26.3 | 236 18 14.5 9.8 11 150 13430 215 35 20.1 28.7 | 241 25 22.4 12.2 12 100 15990 210 27 13.5 23.4 | 246 17 15.8 6.9 Wind Parameters Mean winds (0-6000m): 142.1 at 22.2 knts Storm direction: 172.1 at 16.6 knts Shear (0-3000m) pos: 5.6 neg: 0.0 tot: 5.6 10-3/s Storm rel Dir Shear (0-3000m): 103.1 deg Storm rel helicity (0-3000m) pos: 146.8 neg: -4.8 tot: 142.0 m^2/s^2 ave: 47.3 10^-3 m/s^2 rel: 0.78 Storm rel vorticity (0-3000m) horiz: 6.8 stream: 5.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.13 Bulk Shear: 77.08 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 43 7 6 22| 6.4 0.0 6.4| 13.7 -4.4 9.4 18.8 0.26| 6.9 1.8 1000 67 6 11 19| 5.6 0.0 5.6| 29.0 -4.8 24.2 24.2 0.41| 6.9 2.8 1500 89 9 21 18| 5.9 0.0 5.9| 63.4 -4.8 58.5 39.0 0.61| 7.5 4.5 2000 99 11 31 17| 5.8 0.0 5.8| 89.2 -4.8 84.4 42.2 0.68| 7.0 4.8 2500 109 14 41 16| 5.7 0.0 5.7|116.8 -4.8 112.0 44.8 0.74| 6.8 5.0 3000 118 16 53 15| 5.6 0.0 5.6|146.8 -4.8 142.0 47.3 0.78| 6.8 5.3 4000 128 19 70 13| 4.3 0.0 4.3|164.3 -4.8 159.5 39.9 0.79| 5.8 4.5 5000 136 21 84 12| 3.5 0.0 3.5|178.4 -4.8 173.6 34.7 0.79| 5.1 4.0 6000 142 22 95 11| 2.9 0.1 3.0|185.5 -7.9 177.6 29.6 0.76| 4.6 3.5 Wrote GIF file: /home/apache/climate/data/raob//LFKJ/skewt/LFKJ.skewt.20260118.00.gif