UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050612.upa.cvt Date: 1200Z 6 MAY 25 Searching for LFRB... Searching the city database file for: LFRB ... Date:1200Z 6 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 1012 103 11.4 2.4 54 9.0 7.1 35 15 283.6 284.4 279.6 296.2 4.49 1 1000 194 9.8 3.8 66 6.0 6.8 30 15 283.0 283.8 280.0 297.0 5.02 2 925 834 3.8 0.5 79 3.3 2.3 65 15 283.2 283.9 279.2 295.2 4.28 3 850 1514 -2.1 -3.8 88 1.7 -2.8 75 15 283.9 284.5 278.4 293.6 3.39 4 700 3055 -4.3 -24.3 19 20.0 -9.3 60 27 297.7 297.9 281.4 300.2 0.76 5 500 5620 -20.7 -38.7 18 18.0 -23.1 55 40 307.8 307.9 284.8 308.8 0.27 6 400 7230 -33.5 -52.5 13 19.0 -34.6 60 50 311.4 311.5 285.9 311.7 0.07 7 300 9180 -49.5 -60.5 26 11.0 -49.8 55 52 315.6 315.6 287.3 315.7 0.04 8 250 10350 -56.1 -66.1 27 10.0 -56.2 60 44 322.7 322.7 289.6 322.7 0.02 9 245 10477 -56.9 -67.9 24 11.0 -57.1 60 38 323.3 323.3 289.8 323.4 0.02 10 200 11760 -55.1 -77.1 5 22.0 -55.4 50 31 345.5 345.5 295.6 345.5 0.01 11 150 13600 -55.7 -86.7 1 31.0 -56.1 35 17 374.1 374.1 301.3 374.1 0.00 12 100 16180 -56.3 -87.3 1 31.0 -56.8 0 11 418.9 418.9 307.6 419.0 0.00 TRP 245 10477 -56.9 -67.9 24 11.0 -57.1 60 38 323.3 323.3 289.8 323.4 0.02 WND Sounding variables and indices 1000-500 mb thick: 5426.00 m Freezing level: 876.69 mb = 1271.97 m = 4173.07 ft Wetbulb zero: 891.09 mb = 1134.36 m = 3721.62 ft Precipitable water: 0.45 inches Sfc-500 mean rel hum: 42.84 % Est. max temperature: 11.65 C = 52.97 F Sfc-Lift cond lev (LCL): 882.73 mb = 1210.17 m = 3970.32 ft T: 0.54 C 700-500 lapse rate: 6.39 C/km ThetaE index: 3.36 C Layer 925.0- 700.0 mb Conv cond level (CCL): 887.35 mb = 1168.14 m = 3832.45 ft Mean mixing ratio: 4.60 g/kg Conv temperature: 11.40 C = 52.52 F Cap Strength: 7.49 C Lifted Index: 11.10 C Risk: None Lifted Index @300 mb: 13.94 C Lifted Index @700 mb: 7.49 C Showalter Index: 12.85 C Risk: None Total Totals Index: 35.50 C Risk: None Vertical Totals Index: 18.60 C Cross Totals Index: 16.90 C K Index: -5.20 Risk: None Sweat Index: 70.00 Risk: None Energy Index: 3.24 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.86 J/kg Max Up Vert Vel: 3.12 m/s Conv Inhibition (B-): 3.78 J/kg Cap Strength: 11.02 C Lift Cond Lev (LCL): 893.46 mb = 1112.98 m = 3651.45 ft Lev Free Conv (LFC): 868.46 mb = 1341.20 m = 4400.22 ft Equ Level (EL): 828.46 mb = 1717.71 m = 5635.45 ft B at Equ Level: 3.47 J/kg Max Parcel Lev (MPL): 808.46 mb = 1911.66 m = 6271.79 ft Wind level data Storm motion: 89 at 20 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 1012 103 35 15 -8.6 -12.3 | 316 16 11.5 -11.8 1 1000 194 30 15 -7.5 -13.0 | 315 18 12.6 -12.5 2 925 834 65 15 -13.6 -6.3 | 312 9 6.5 -5.8 3 850 1514 75 15 -14.5 -3.9 | 301 7 5.6 -3.4 4 700 3055 60 27 -23.4 -13.5 | 14 13 -3.3 -13.0 5 500 5620 55 40 -32.8 -22.9 | 29 26 -12.7 -22.4 6 400 7230 60 50 -43.3 -25.0 | 43 34 -23.2 -24.5 7 300 9180 55 52 -42.6 -29.8 | 38 37 -22.5 -29.3 8 250 10350 60 44 -38.1 -22.0 | 40 28 -18.0 -21.5 9 245 10477 60 38 -32.9 -19.0 | 35 23 -12.8 -18.5 10 200 11760 50 31 -23.7 -19.9 | 11 20 -3.7 -19.4 11 150 13600 35 17 -9.8 -13.9 | 322 17 10.3 -13.4 12 100 16180 0 11 -0.0 -11.0 | 298 23 20.1 -10.5 Wind Parameters Mean winds (0-6000m): 58.6 at 26.8 knts Storm direction: 88.6 at 20.1 knts Shear (0-3000m) pos: 1.8 neg: 2.2 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 59.1 deg Storm rel helicity (0-3000m) pos: 21.4 neg: -6.2 tot: 15.2 m^2/s^2 ave: 5.1 10^-3 m/s^2 rel: 0.28 Storm rel vorticity (0-3000m) horiz: 4.5 stream: 1.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.20 Bulk Shear: 24.20 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 39 15 316 15| 4.7 0.0 4.7| 2.4 -1.4 1.0 1.9 0.03| 7.1 0.2 1000 51 15 317 12| 4.5 0.0 4.5| 2.4 -4.5 -2.1 -2.1 -0.09| 5.8 -0.5 1500 59 15 315 10| 3.5 0.0 3.5| 3.5 -6.2 -2.7 -1.8 -0.10| 4.6 -0.4 2000 62 16 318 9| 2.6 1.1 3.7| 10.1 -6.2 3.9 1.9 0.16| 4.5 0.7 2500 63 17 325 9| 2.1 1.7 3.9| 16.3 -6.2 10.1 4.0 0.26| 4.5 1.2 3000 62 18 334 9| 1.8 2.2 3.9| 21.4 -6.2 15.2 5.1 0.28| 4.5 1.3 4000 61 21 350 10| 1.3 2.3 3.6| 31.4 -6.2 25.1 6.3 0.31| 4.0 1.3 5000 60 24 3 12| 1.1 2.4 3.4| 39.9 -6.2 33.7 6.7 0.31| 3.8 1.2 6000 59 27 12 14| 1.0 2.2 3.2| 59.3 -6.2 53.1 8.8 0.33| 3.6 1.2 Wrote GIF file: /home/apache/climate/data/raob//LFRB/skewt/LFRB.skewt.20250506.12.gif