UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050812.upa.cvt Date: 1200Z 8 MAY 25 Searching for LFRB... Searching the city database file for: LFRB ... Date:1200Z 8 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 1007 103 12.4 4.4 58 8.0 8.3 45 11 285.0 285.9 281.1 299.6 5.20 1 1000 153 11.4 7.0 74 4.4 9.0 40 13 284.5 285.6 282.2 302.1 6.29 2 925 797 4.8 4.3 97 0.5 4.5 40 15 284.2 285.2 281.3 299.9 5.63 3 850 1480 0.0 0.0 100 0.0 0.0 30 25 286.1 286.9 280.8 298.9 4.50 4 700 3018 -6.5 -16.5 45 10.0 -9.5 75 9 295.3 295.6 281.3 299.9 1.50 5 500 5560 -23.1 -34.1 36 11.0 -24.6 65 21 304.9 305.0 283.9 306.3 0.43 6 400 7150 -35.3 -43.3 44 8.0 -35.9 70 19 309.1 309.1 285.2 309.9 0.21 7 300 9080 -51.1 -60.1 33 9.0 -51.3 60 31 313.3 313.3 286.5 313.5 0.04 8 250 10270 -51.1 -71.1 7 20.0 -51.4 55 40 330.1 330.1 291.7 330.1 0.01 9 200 11710 -51.7 -77.7 3 26.0 -52.1 40 31 350.9 350.9 296.8 350.9 0.00 10 150 13570 -53.9 -84.9 1 31.0 -54.3 20 11 377.2 377.2 301.8 377.2 0.00 11 100 16160 -56.1 -87.1 1 31.0 -56.6 55 7 419.3 419.3 307.6 419.3 0.00 TRP 300 9080 -51.1 -60.1 33 9.0 -51.3 60 31 313.3 313.3 286.5 313.5 0.04 WND Sounding variables and indices 1000-500 mb thick: 5407.00 m Freezing level: 850.00 mb = 1480.00 m = 4855.58 ft Wetbulb zero: 849.69 mb = 1482.91 m = 4865.14 ft Precipitable water: 0.62 inches Sfc-500 mean rel hum: 61.54 % Est. max temperature: 13.38 C = 56.09 F Sfc-Lift cond lev (LCL): 892.17 mb = 1088.93 m = 3572.56 ft T: 2.75 C 700-500 lapse rate: 6.53 C/km ThetaE index: 3.15 C Layer 925.0- 700.0 mb Conv cond level (CCL): 925.66 mb = 791.12 m = 2595.49 ft Mean mixing ratio: 5.86 g/kg Conv temperature: 11.64 C = 52.95 F Cap Strength: 2.50 C Lifted Index: 5.36 C Risk: None Lifted Index @300 mb: 9.00 C Lifted Index @700 mb: 2.50 C Showalter Index: 6.65 C Risk: None Total Totals Index: 46.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.10 C Cross Totals Index: 23.10 C K Index: 13.10 Risk: None Sweat Index: 71.00 Risk: None Energy Index: 1.53 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 20.83 J/kg Max Up Vert Vel: 6.45 m/s Conv Inhibition (B-): 0.59 J/kg Cap Strength: 5.29 C Lift Cond Lev (LCL): 922.89 mb = 815.46 m = 2675.36 ft Lev Free Conv (LFC): 917.89 mb = 859.34 m = 2819.33 ft Equ Level (EL): 797.89 mb = 1981.17 m = 6499.83 ft B at Equ Level: 20.41 J/kg Max Parcel Lev (MPL): 727.89 mb = 2708.53 m = 8886.13 ft Wind level data Storm motion: 84 at 12 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 1007 103 45 11 -7.8 -7.8 | 325 8 4.5 -6.5 1 1000 153 40 13 -8.4 -10.0 | 336 9 3.9 -8.6 2 925 797 40 15 -9.6 -11.5 | 346 11 2.6 -10.2 3 850 1480 30 25 -12.5 -21.7 | 1 20 -0.2 -20.3 4 700 3018 75 9 -8.7 -2.3 | 286 4 3.6 -1.0 5 500 5560 65 21 -19.0 -8.9 | 42 10 -6.8 -7.6 6 400 7150 70 19 -17.9 -6.5 | 47 8 -5.6 -5.2 7 300 9080 60 31 -26.8 -15.5 | 46 20 -14.6 -14.2 8 250 10270 55 40 -32.8 -22.9 | 43 30 -20.5 -21.6 9 200 11710 40 31 -19.9 -23.7 | 19 24 -7.7 -22.4 10 150 13570 20 11 -3.8 -10.3 | 317 12 8.5 -9.0 11 100 16160 55 7 -5.7 -4.0 | 292 7 6.5 -2.7 Wind Parameters Mean winds (0-6000m): 53.9 at 16.4 knts Storm direction: 83.9 at 12.3 knts Shear (0-3000m) pos: 3.0 neg: 2.2 tot: 5.3 10-3/s Storm rel Dir Shear (0-3000m): -35.1 deg Storm rel helicity (0-3000m) pos: 30.7 neg: -6.3 tot: 24.4 m^2/s^2 ave: 8.1 10^-3 m/s^2 rel: 0.10 Storm rel vorticity (0-3000m) horiz: 6.0 stream: 0.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 7.42 Bulk Shear: 2.81 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 40 14 339 10| 0.0 3.7 3.7| 6.7 0.0 6.7 13.4 0.77| 3.8 2.9 1000 39 15 344 11| 0.0 4.5 4.5| 15.5 0.0 15.5 15.5 0.62| 4.6 2.9 1500 36 17 351 13| 0.0 4.5 4.5| 24.7 0.0 24.7 16.4 0.47| 5.5 2.6 2000 37 18 355 13| 1.9 3.4 5.3| 30.6 0.0 30.6 15.3 0.38| 6.1 2.3 2500 39 18 355 13| 2.8 2.7 5.5| 30.6 -2.4 28.2 11.3 0.25| 6.2 1.6 3000 40 17 352 12| 3.0 2.2 5.3| 30.7 -6.3 24.4 8.1 0.10| 6.0 0.6 4000 46 16 353 10| 2.3 2.2 4.5| 33.7 -6.3 27.5 6.9 0.19| 5.2 1.0 5000 51 16 359 9| 1.8 2.2 4.1| 36.3 -6.3 30.1 6.0 0.21| 4.6 1.0 6000 54 16 7 8| 1.6 2.0 3.6| 37.9 -6.3 31.7 5.3 0.21| 4.1 0.9 Wrote GIF file: /home/apache/climate/data/raob//LFRB/skewt/LFRB.skewt.20250508.12.gif