UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042712.upa.cvt Date: 1200Z 27 APR 25 Searching for LF145... Searching the city database file for: LF145 ... Date:1200Z 27 APR 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 1004 168 18.2 11.2 64 7.0 14.0 340 9 291.0 292.5 287.0 314.7 8.34 1 1000 202 16.2 9.2 63 7.0 12.1 340 9 289.4 290.6 285.3 310.0 7.31 2 925 857 10.0 6.1 77 3.9 7.9 5 11 289.5 290.7 284.4 307.7 6.39 3 850 1555 5.0 1.8 80 3.2 3.4 45 13 291.4 292.3 283.8 306.2 5.13 4 700 3110 -4.1 -6.3 85 2.2 -5.0 30 15 297.9 298.6 284.7 308.2 3.41 5 500 5680 -20.5 -28.5 49 8.0 -22.0 25 29 308.0 308.2 285.5 310.5 0.73 6 400 7290 -33.7 -46.7 26 13.0 -34.6 10 31 311.2 311.2 285.9 311.7 0.14 7 300 9240 -48.3 -61.3 21 13.0 -48.6 360 40 317.3 317.3 287.9 317.4 0.03 8 250 10420 -55.9 -65.9 28 10.0 -56.1 10 29 323.0 323.0 289.7 323.0 0.02 9 240 10679 -57.7 -66.7 31 9.0 -57.8 10 25 324.0 324.0 290.0 324.1 0.02 10 200 11830 -58.5 -74.5 11 16.0 -58.7 345 13 340.1 340.1 294.4 340.2 0.01 11 150 13640 -58.3 -80.3 4 22.0 -58.5 320 7 369.6 369.6 300.5 369.7 0.00 12 100 16200 -56.3 -87.3 1 31.0 -56.8 355 7 418.9 418.9 307.6 419.0 0.00 TRP 240 10679 -57.7 -66.7 31 9.0 -57.8 10 25 324.0 324.0 290.0 324.1 0.02 WND Sounding variables and indices 1000-500 mb thick: 5478.00 m Freezing level: 767.58 mb = 2409.40 m = 7904.75 ft Wetbulb zero: 789.23 mb = 2149.08 m = 7050.70 ft Precipitable water: 0.83 inches Sfc-500 mean rel hum: 72.75 % Est. max temperature: 18.47 C = 65.24 F Sfc-Lift cond lev (LCL): 904.63 mb = 1040.82 m = 3414.73 ft T: 8.68 C 700-500 lapse rate: 6.38 C/km ThetaE index: 8.52 C Layer 1000.0- 700.0 mb Conv cond level (CCL): 862.45 mb = 1434.96 m = 4707.81 ft Mean mixing ratio: 6.75 g/kg Conv temperature: 18.26 C = 64.86 F Cap Strength: 1.00 C Lifted Index: 2.62 C Risk: None Lifted Index @300 mb: 6.29 C Lifted Index @700 mb: 0.66 C Showalter Index: 4.27 C Risk: None Total Totals Index: 47.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.50 C Cross Totals Index: 22.30 C K Index: 25.10 Risk: 40-60 % chance of thunderstorms Sweat Index: 76.60 Risk: None Energy Index: 0.87 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.33 J/kg Max Up Vert Vel: 2.16 m/s Conv Inhibition (B-): 9417.98 J/kg Cap Strength: 2.60 C Lift Cond Lev (LCL): 882.11 mb = 1248.91 m = 4097.42 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 56 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 1004 168 340 9 3.1 -8.5 | 274 14 14.4 -0.9 1 1000 202 340 9 3.1 -8.5 | 274 14 14.4 -0.9 2 925 857 5 11 -1.0 -11.0 | 288 11 10.4 -3.4 3 850 1555 45 13 -9.2 -9.2 | 308 3 2.1 -1.6 4 700 3110 30 15 -7.5 -13.0 | 325 7 3.8 -5.4 5 500 5680 25 29 -12.3 -26.3 | 3 19 -0.9 -18.7 6 400 7290 10 31 -5.4 -30.5 | 346 24 5.9 -23.0 7 300 9240 360 40 -0.0 -40.0 | 341 34 11.3 -32.5 8 250 10420 10 29 -5.0 -28.6 | 343 22 6.3 -21.0 9 240 10679 10 25 -4.3 -24.6 | 338 18 7.0 -17.1 10 200 11830 345 13 3.4 -12.6 | 289 16 14.7 -5.0 11 150 13640 320 7 4.5 -5.4 | 262 16 15.8 2.2 12 100 16200 355 7 0.6 -7.0 | 267 12 11.9 0.6 Wind Parameters Mean winds (0-6000m): 26.3 at 18.1 knts Storm direction: 56.3 at 13.6 knts Shear (0-3000m) pos: 2.1 neg: 0.7 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): 53.6 deg Storm rel helicity (0-3000m) pos: 17.5 neg: 0.0 tot: 17.5 m^2/s^2 ave: 5.8 10^-3 m/s^2 rel: 0.39 Storm rel vorticity (0-3000m) horiz: 3.1 stream: 1.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.12 Bulk Shear: 19.05 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 ------------------------------------------------------------------------------- 500 349 10 278 13| 3.4 0.0 3.4| 8.3 0.0 8.3 16.6 0.70| 3.4 2.4 1000 0 10 284 12| 4.2 0.0 4.2| 14.5 0.0 14.5 14.5 0.55| 4.4 2.4 1500 14 11 291 9| 4.2 0.0 4.2| 16.0 0.0 16.0 10.7 0.43| 4.7 2.0 2000 23 12 296 8| 3.1 0.3 3.5| 16.5 0.0 16.5 8.3 0.42| 3.8 1.6 2500 26 12 300 7| 2.5 0.5 3.1| 16.9 0.0 16.9 6.8 0.41| 3.4 1.4 3000 27 13 304 7| 2.1 0.7 2.8| 17.5 0.0 17.5 5.8 0.39| 3.1 1.2 4000 28 14 315 7| 1.6 1.1 2.7| 25.6 0.0 25.6 6.4 0.45| 3.0 1.4 5000 27 16 329 8| 1.3 1.5 2.7| 32.7 0.0 32.7 6.5 0.44| 3.0 1.3 6000 26 18 339 9| 1.0 1.6 2.6| 35.8 -9.8 26.0 4.3 0.34| 2.9 1.0 Wrote GIF file: /home/apache/climate/data/raob//LF145/skewt/LF145.skewt.20250427.12.gif