UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050712.upa.cvt Date: 1200Z 7 MAY 25 Searching for LFRB... Searching the city database file for: LFRB ... Date:1200Z 7 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 1011 103 12.4 4.4 58 8.0 8.3 70 13 284.7 285.6 281.0 299.2 5.18 1 1000 187 11.0 5.0 66 6.0 7.9 60 11 284.1 285.1 281.1 299.4 5.47 2 925 830 5.0 3.3 89 1.7 4.2 70 11 284.4 285.3 281.0 299.1 5.24 3 850 1516 3.8 -0.6 73 4.4 1.8 75 21 290.1 290.9 282.4 302.6 4.30 4 700 3071 -3.5 -14.5 42 11.0 -7.1 60 23 298.6 298.9 283.1 304.1 1.77 5 500 5630 -21.7 -25.0 75 3.3 -22.4 40 23 306.6 306.8 285.3 309.9 1.00 6 400 7240 -32.3 -36.8 64 4.5 -32.8 50 25 313.0 313.1 286.9 314.5 0.41 7 300 9210 -48.1 -54.1 50 6.0 -48.3 65 40 317.6 317.6 288.1 317.9 0.08 8 250 10380 -55.5 -62.5 41 7.0 -55.6 55 64 323.6 323.6 289.9 323.7 0.03 9 242 10588 -56.6 -63.8 40 7.2 -56.7 60 68 325.0 325.0 290.3 325.1 0.03 10 219 11219 -59.9 -67.9 34 8.0 -60.0 60 58 329.2 329.3 291.5 329.3 0.02 11 200 11790 -58.3 -74.3 11 16.0 -58.5 60 40 340.4 340.4 294.4 340.5 0.01 12 150 13620 -55.9 -81.9 2 26.0 -56.2 50 9 373.8 373.8 301.2 373.8 0.00 TRP 219 11219 -59.9 -67.9 34 8.0 -60.0 60 58 329.2 329.3 291.5 329.3 0.02 WND 242 10588 -56.6 -63.8 40 7.2 -56.7 60 68 325.0 325.0 290.3 325.1 0.03 Sounding variables and indices 1000-500 mb thick: 5443.00 m Freezing level: 771.92 mb = 2325.45 m = 7629.34 ft Wetbulb zero: 820.06 mb = 1803.18 m = 5915.86 ft Precipitable water: 0.66 inches Sfc-500 mean rel hum: 63.05 % Est. max temperature: 17.01 C = 62.62 F Sfc-Lift cond lev (LCL): 895.71 mb = 1091.06 m = 3579.54 ft T: 4.54 C 700-500 lapse rate: 7.11 C/km ThetaE index: 0.32 C Layer 925.0- 850.0 mb Conv cond level (CCL): 797.85 mb = 2023.08 m = 6637.33 ft Mean mixing ratio: 5.32 g/kg Conv temperature: 20.66 C = 69.19 F Cap Strength: 6.32 C Lifted Index: 7.75 C Risk: None Lifted Index @300 mb: 13.05 C Lifted Index @700 mb: 6.32 C Showalter Index: 5.47 C Risk: None Total Totals Index: 46.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.50 C Cross Totals Index: 21.10 C K Index: 13.90 Risk: None Sweat Index: 65.00 Risk: None Energy Index: 1.50 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.41 J/kg Max Up Vert Vel: 2.19 m/s Conv Inhibition (B-): 7173.61 J/kg Cap Strength: 7.69 C Lift Cond Lev (LCL): 904.32 mb = 1013.41 m = 3324.81 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 87 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 1011 103 70 13 -12.2 -4.4 | 318 5 3.2 -3.6 1 1000 187 60 11 -9.5 -5.5 | 308 8 5.9 -4.6 2 925 830 70 11 -10.3 -3.8 | 300 6 5.1 -2.9 3 850 1516 75 21 -20.3 -5.4 | 47 7 -4.8 -4.6 4 700 3071 60 23 -19.9 -11.5 | 23 12 -4.5 -10.6 5 500 5630 40 23 -14.8 -17.6 | 358 17 0.7 -16.8 6 400 7240 50 25 -19.2 -16.1 | 14 16 -3.7 -15.2 7 300 9210 65 40 -36.3 -16.9 | 52 26 -20.8 -16.1 8 250 10380 55 64 -52.4 -36.7 | 46 52 -37.0 -35.9 9 242 10588 60 68 -58.9 -34.0 | 53 55 -43.5 -33.1 10 219 11219 60 58 -50.2 -29.0 | 51 45 -34.8 -28.1 11 200 11790 60 40 -34.6 -20.0 | 45 27 -19.2 -19.1 12 150 13620 50 9 -6.9 -5.8 | 300 10 8.5 -4.9 Wind Parameters Mean winds (0-6000m): 56.8 at 20.6 knts Storm direction: 86.8 at 15.5 knts Shear (0-3000m) pos: 1.8 neg: 1.1 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): 64.3 deg Storm rel helicity (0-3000m) pos: 10.4 neg: -12.0 tot: -1.5 m^2/s^2 ave: -0.5 10^-3 m/s^2 rel: 0.14 Storm rel vorticity (0-3000m) horiz: 3.6 stream: 0.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.20 Bulk Shear: 12.21 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 64 11 307 7| 0.0 2.2 2.2| 0.0 -2.7 -2.7 -5.4 -0.40| 4.2 -1.7 1000 67 12 308 6| 2.1 1.1 3.2| 4.2 -3.3 0.9 0.9 0.17| 4.5 0.7 1500 70 14 329 5| 3.5 0.7 4.3| 10.4 -3.4 7.0 4.7 0.43| 5.2 2.2 2000 71 16 352 4| 2.7 0.7 3.4| 10.4 -5.8 4.6 2.3 0.31| 4.4 1.3 2500 70 17 6 5| 2.1 0.9 3.0| 10.4 -8.6 1.8 0.7 0.22| 3.9 0.8 3000 68 18 12 6| 1.8 1.1 2.9| 10.4 -12.0 -1.5 -0.5 0.14| 3.6 0.5 4000 64 19 15 8| 1.3 1.2 2.5| 10.4 -20.1 -9.6 -2.4 0.02| 3.1 0.1 5000 61 20 13 9| 1.1 1.3 2.3| 10.4 -29.2 -18.7 -3.7 -0.07| 2.8 -0.2 6000 57 21 10 11| 1.0 1.2 2.2| 15.8 -34.1 -18.4 -3.1 -0.06| 2.6 -0.2 Wrote GIF file: /home/apache/climate/data/raob//LFRB/skewt/LFRB.skewt.20250507.12.gif