UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050912.upa.cvt Date: 1200Z 9 MAY 25 Searching for LFRB... Searching the city database file for: LFRB ... Date:1200Z 9 MAY 25 Station: LFRB WMO ident: 7110 Latitude: 48.45 Longitude: -4.42 Elevation: 103.00 ------------------------------------------------------------------------------- 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 1006 103 15.2 6.2 55 9.0 10.3 45 15 287.9 288.9 283.2 304.6 5.91 1 1000 144 13.4 4.4 54 9.0 8.8 40 17 286.5 287.5 281.9 301.4 5.24 2 925 792 7.4 4.3 81 3.1 5.8 65 21 286.9 287.9 282.5 302.8 5.63 3 850 1484 3.0 -3.0 65 6.0 0.4 90 15 289.3 289.9 281.2 299.7 3.60 4 700 3021 -7.7 -15.7 53 8.0 -10.1 65 15 294.0 294.2 280.8 298.9 1.61 5 500 5550 -24.7 -32.7 47 8.0 -25.8 75 27 302.9 303.0 283.2 304.6 0.49 6 400 7130 -36.7 -47.7 31 11.0 -37.4 75 40 307.3 307.3 284.5 307.8 0.13 7 300 9070 -47.5 -66.5 10 19.0 -47.9 70 52 318.4 318.4 288.2 318.5 0.02 8 281 9499 -49.5 -67.5 10 18.0 -49.8 75 54 321.5 321.5 289.2 321.6 0.02 9 250 10260 -50.5 -73.5 5 23.0 -50.8 70 48 331.0 331.0 292.0 331.0 0.01 10 200 11720 -50.5 -82.5 1 32.0 -51.0 70 27 352.8 352.8 297.3 352.8 0.00 11 150 13580 -54.3 -85.3 1 31.0 -54.7 90 15 376.5 376.5 301.7 376.5 0.00 12 100 16160 -56.7 -86.7 1 30.0 -57.2 290 3 418.2 418.2 307.5 418.2 0.00 TRP 281 9499 -49.5 -67.5 10 18.0 -49.8 75 54 321.5 321.5 289.2 321.6 0.02 WND Sounding variables and indices 1000-500 mb thick: 5406.00 m Freezing level: 807.94 mb = 1914.93 m = 6282.52 ft Wetbulb zero: 843.85 mb = 1541.47 m = 5057.26 ft Precipitable water: 0.57 inches Sfc-500 mean rel hum: 57.15 % Est. max temperature: 16.43 C = 61.58 F Sfc-Lift cond lev (LCL): 878.69 mb = 1212.30 m = 3977.33 ft T: 4.73 C 700-500 lapse rate: 6.72 C/km ThetaE index: 3.88 C Layer 850.0- 500.0 mb Conv cond level (CCL): 841.21 mb = 1566.28 m = 5138.66 ft Mean mixing ratio: 5.42 g/kg Conv temperature: 16.89 C = 62.41 F Cap Strength: 1.55 C Lifted Index: 2.76 C Risk: None Lifted Index @300 mb: 11.63 C Lifted Index @700 mb: 0.48 C Showalter Index: 4.46 C Risk: None Total Totals Index: 49.40 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.70 C Cross Totals Index: 21.70 C K Index: 16.70 Risk: < 20 % chance of thunderstorms Sweat Index: 65.00 Risk: None Energy Index: 0.97 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.69 J/kg Max Up Vert Vel: 2.32 m/s Conv Inhibition (B-): 11769.64 J/kg Cap Strength: 2.63 C Lift Cond Lev (LCL): 875.65 mb = 1240.72 m = 4070.54 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 102 at 15 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 1006 103 45 15 -10.6 -10.6 | 344 14 3.9 -13.6 1 1000 144 40 17 -10.9 -13.0 | 348 16 3.5 -16.0 2 925 792 65 21 -19.0 -8.9 | 21 13 -4.6 -11.9 3 850 1484 90 15 -15.0 0.0 | 10 3 -0.5 -3.0 4 700 3021 65 15 -13.6 -6.3 | 355 9 0.9 -9.3 5 500 5550 75 27 -26.1 -7.0 | 49 15 -11.6 -10.0 6 400 7130 75 40 -38.6 -10.4 | 61 28 -24.2 -13.3 7 300 9070 70 52 -48.9 -17.8 | 59 40 -34.4 -20.8 8 281 9499 75 54 -52.2 -14.0 | 66 41 -37.7 -17.0 9 250 10260 70 48 -45.1 -16.4 | 58 36 -30.6 -19.4 10 200 11720 70 27 -25.4 -9.2 | 42 16 -10.9 -12.2 11 150 13580 90 15 -15.0 0.0 | 10 3 -0.5 -3.0 12 100 16160 290 3 2.8 -1.0 | 283 18 17.3 -4.0 Wind Parameters Mean winds (0-6000m): 71.6 at 19.7 knts Storm direction: 101.6 at 14.8 knts Shear (0-3000m) pos: 1.9 neg: 1.0 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): 12.9 deg Storm rel helicity (0-3000m) pos: 38.0 neg: -4.0 tot: 34.1 m^2/s^2 ave: 11.4 10^-3 m/s^2 rel: 0.28 Storm rel vorticity (0-3000m) horiz: 4.7 stream: 1.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.35 Bulk Shear: 7.66 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 49 18 357 15| 6.3 0.0 6.3| 26.2 0.0 26.2 52.4 0.82| 8.3 6.8 1000 59 19 8 13| 4.9 0.0 4.9| 37.1 0.0 37.1 37.1 0.64| 8.0 5.1 1500 66 18 11 11| 3.8 0.0 3.8| 37.1 -1.3 35.8 23.9 0.41| 7.2 3.0 2000 70 17 11 9| 2.8 0.5 3.4| 37.1 -1.8 35.3 17.6 0.36| 6.0 2.1 2500 71 17 10 9| 2.3 0.9 3.1| 37.1 -2.8 34.3 13.7 0.31| 5.2 1.6 3000 71 17 8 9| 1.9 1.0 2.9| 38.0 -4.0 34.1 11.4 0.28| 4.7 1.3 4000 70 17 9 9| 1.7 0.8 2.5| 50.3 -4.0 46.4 11.6 0.38| 4.2 1.6 5000 70 18 15 9| 1.8 0.6 2.4| 63.7 -4.0 59.8 12.0 0.44| 3.8 1.7 6000 72 20 25 10| 1.7 0.7 2.3| 78.3 -4.0 74.3 12.4 0.45| 3.8 1.7 Wrote GIF file: /home/apache/climate/data/raob//LFRB/skewt/LFRB.skewt.20250509.12.gif