UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101712.upa.cvt Date: 1200Z 17 OCT 25 Searching for LF145... Searching the city database file for: LF145 ... Date:1200Z 17 OCT 25 Station: LF145 WMO ident: 7145 Latitude: 48.77 Longitude: 2.02 ------------------------------------------------------------------------------- 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 1003 172 15.6 7.6 59 8.0 11.2 75 9 288.5 289.7 284.2 307.0 6.53 1 1000 197 14.4 9.4 72 5.0 11.6 70 9 287.5 288.8 284.7 308.4 7.41 2 925 848 8.0 6.7 91 1.3 7.3 75 11 287.5 288.7 283.9 306.2 6.66 3 850 1539 2.6 1.8 94 0.8 2.2 85 19 288.9 289.8 282.8 303.5 5.13 4 700 3118 0.2 -19.8 21 20.0 -6.0 45 15 302.7 302.9 284.0 306.4 1.13 5 500 5730 -15.5 -33.5 20 18.0 -18.8 15 27 314.1 314.2 287.3 315.7 0.45 6 400 7370 -29.5 -41.5 30 12.0 -30.7 5 29 316.6 316.7 287.9 317.6 0.25 7 300 9350 -46.3 -53.3 45 7.0 -46.6 355 31 320.1 320.1 288.9 320.4 0.09 8 250 10530 -54.9 -61.9 42 7.0 -55.1 355 27 324.4 324.5 290.2 324.6 0.04 9 212 11568 -60.7 -66.7 45 6.0 -60.8 345 25 331.1 331.1 292.0 331.2 0.02 10 200 11930 -60.1 -69.1 30 9.0 -60.2 315 17 337.6 337.6 293.7 337.7 0.02 11 150 13730 -59.7 -76.7 9 17.0 -59.9 305 21 367.2 367.2 300.1 367.3 0.01 12 100 16250 -60.5 -89.5 1 29.0 -60.8 350 15 410.8 410.8 306.6 410.8 0.00 TRP 212 11568 -60.7 -66.7 45 6.0 -60.8 345 25 331.1 331.1 292.0 331.2 0.02 WND Sounding variables and indices 1000-500 mb thick: 5533.00 m Freezing level: 697.45 mb = 3151.27 m = 10338.70 ft Wetbulb zero: 809.71 mb = 1933.94 m = 6344.89 ft Precipitable water: 0.67 inches Sfc-500 mean rel hum: 46.53 % Est. max temperature: 15.91 C = 60.64 F Sfc-Lift cond lev (LCL): 889.54 mb = 1167.46 m = 3830.21 ft T: 5.50 C 700-500 lapse rate: 6.01 C/km ThetaE index: 4.84 C Layer 925.0- 700.0 mb Conv cond level (CCL): 910.06 mb = 981.08 m = 3218.73 ft Mean mixing ratio: 6.90 g/kg Conv temperature: 14.86 C = 58.74 F Cap Strength: 5.83 C Lifted Index: 8.74 C Risk: None Lifted Index @300 mb: 9.46 C Lifted Index @700 mb: 5.83 C Showalter Index: 11.02 C Risk: None Total Totals Index: 35.40 C Risk: None Vertical Totals Index: 18.10 C Cross Totals Index: 17.30 C K Index: -0.10 Risk: None Sweat Index: 86.60 Risk: None Energy Index: 2.63 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.71 J/kg Max Up Vert Vel: 5.95 m/s Conv Inhibition (B-): 0.58 J/kg Cap Strength: 8.69 C Lift Cond Lev (LCL): 912.61 mb = 958.18 m = 3143.61 ft Lev Free Conv (LFC): 897.61 mb = 1093.62 m = 3587.94 ft Equ Level (EL): 817.61 mb = 1854.94 m = 6085.69 ft B at Equ Level: 17.12 J/kg Max Parcel Lev (MPL): 777.61 mb = 2262.88 m = 7424.04 ft Wind level data Storm motion: 72 at 14 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 1003 172 75 9 -8.7 -2.3 | 245 5 4.5 2.1 1 1000 197 70 9 -8.5 -3.1 | 254 5 4.7 1.3 2 925 848 75 11 -10.6 -2.8 | 239 3 2.6 1.6 3 850 1539 85 19 -18.9 -1.7 | 116 6 -5.7 2.8 4 700 3118 45 15 -10.6 -10.6 | 337 7 2.6 -6.2 5 500 5730 15 27 -7.0 -26.1 | 344 23 6.2 -21.7 6 400 7370 5 29 -2.5 -28.9 | 336 27 10.7 -24.5 7 300 9350 355 31 2.7 -30.9 | 329 31 15.9 -26.5 8 250 10530 355 27 2.4 -26.9 | 325 27 15.6 -22.5 9 212 11568 345 25 6.5 -24.1 | 315 28 19.7 -19.7 10 200 11930 315 17 12.0 -12.0 | 287 26 25.2 -7.6 11 150 13730 305 21 17.2 -12.0 | 284 31 30.4 -7.6 12 100 16250 350 15 2.6 -14.8 | 303 19 15.8 -10.4 Wind Parameters Mean winds (0-6000m): 41.5 at 18.6 knts Storm direction: 71.5 at 13.9 knts Shear (0-3000m) pos: 1.4 neg: 1.9 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 93.3 deg Storm rel helicity (0-3000m) pos: 0.9 neg: -16.5 tot: -15.6 m^2/s^2 ave: -5.2 10^-3 m/s^2 rel: -0.67 Storm rel vorticity (0-3000m) horiz: 4.0 stream: -2.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.04 Bulk Shear: 16.98 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 72 10 251 4| 0.0 1.5 1.5| 0.9 -0.6 0.3 0.5 0.05| 2.1 0.1 1000 75 11 241 3| 2.3 0.8 3.1| 0.9 -2.6 -1.7 -1.7 -0.53| 3.4 -1.8 1500 79 13 192 2| 2.9 0.5 3.4| 0.9 -5.4 -4.5 -3.0 -0.50| 4.1 -2.1 2000 78 14 152 2| 2.2 1.1 3.3| 0.9 -9.5 -8.6 -4.3 -0.60| 4.1 -2.5 2500 75 15 116 1| 1.7 1.6 3.3| 0.9 -13.2 -12.3 -4.9 -0.67| 4.1 -2.7 3000 71 15 67 1| 1.4 1.9 3.3| 0.9 -16.5 -15.6 -5.2 -0.67| 4.0 -2.7 4000 62 16 11 3| 1.1 2.0 3.1| 4.5 -16.5 -12.0 -3.0 -0.48| 3.8 -1.8 5000 51 17 0 6| 0.9 2.3 3.2| 4.6 -19.2 -14.6 -2.9 -0.41| 3.7 -1.5 6000 42 19 355 10| 0.7 2.3 3.1| 4.6 -30.0 -25.4 -4.2 -0.40| 3.5 -1.4 Wrote GIF file: /home/apache/climate/data/raob//LF145/skewt/LF145.skewt.20251017.12.gif