UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025080612.upa.cvt Date: 1200Z 6 AUG 25 Searching for LFRB... Searching the city database file for: LFRB ... Date:1200Z 6 AUG 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 1013 103 19.0 8.0 49 11.0 12.7 115 5 291.1 292.3 285.4 310.1 6.65 1 1000 207 17.4 9.4 59 8.0 12.7 100 5 290.5 291.9 285.9 311.6 7.41 2 925 865 10.8 8.5 86 2.3 9.5 350 1 290.4 291.7 285.9 311.8 7.54 3 850 1569 11.2 -14.8 15 26.0 1.7 245 7 297.9 298.1 282.3 302.3 1.42 4 700 3167 4.4 -3.6 56 8.0 0.5 315 5 307.4 308.1 288.8 320.3 4.19 5 500 5820 -9.1 -45.1 4 36.0 -15.0 295 35 321.9 322.0 289.5 322.5 0.14 6 400 7520 -18.5 -22.9 68 4.4 -19.7 305 48 330.9 331.2 293.4 336.3 1.52 7 300 9600 -35.3 -39.0 69 3.7 -35.7 320 60 335.6 335.7 293.6 337.3 0.43 8 250 10840 -45.5 -50.2 59 4.7 -45.7 325 68 338.4 338.5 294.1 339.0 0.15 9 200 12290 -56.3 -61.3 53 5.0 -56.4 325 81 343.6 343.6 295.3 343.8 0.05 10 195 12451 -57.1 -62.4 51 5.3 -57.2 325 83 344.9 344.9 295.6 345.1 0.04 11 158 13769 -63.3 -71.3 33 8.0 -63.4 305 48 355.7 355.7 297.8 355.8 0.02 12 150 14090 -62.7 -76.7 14 14.0 -62.9 310 66 362.1 362.1 299.1 362.1 0.01 13 100 16610 -59.1 -89.1 1 30.0 -59.5 295 23 413.5 413.5 306.9 413.5 0.00 TRP 158 13769 -63.3 -71.3 33 8.0 -63.4 305 48 355.7 355.7 297.8 355.8 0.02 WND 195 12451 -57.1 -62.4 51 5.3 -57.2 325 83 344.9 344.9 295.6 345.1 0.04 Sounding variables and indices 1000-500 mb thick: 5613.00 m Freezing level: 634.81 mb = 4031.68 m = 13227.14 ft Wetbulb zero: 692.98 mb = 3246.48 m = 10651.04 ft Precipitable water: 0.81 inches Sfc-500 mean rel hum: 38.91 % Est. max temperature: 24.46 C = 76.03 F Sfc-Lift cond lev (LCL): 859.79 mb = 1473.61 m = 4834.62 ft T: 11.15 C 700-500 lapse rate: 5.09 C/km ThetaE index: 9.42 C Layer 850.0- 700.0 mb Conv cond level (CCL): 690.43 mb = 3275.54 m = 10746.40 ft Mean mixing ratio: 7.33 g/kg Conv temperature: 35.95 C = 96.71 F Cap Strength: 7.84 C Lifted Index: 12.33 C Risk: None Lifted Index @300 mb: 17.41 C Lifted Index @700 mb: 7.84 C Showalter Index: 18.24 C Risk: None Total Totals Index: 14.60 C Risk: None Vertical Totals Index: 20.30 C Cross Totals Index: -5.70 C K Index: -2.50 Risk: None Sweat Index: 49.00 Risk: None Energy Index: 4.27 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.30 J/kg Max Up Vert Vel: 2.14 m/s Conv Inhibition (B-): 11955.21 J/kg Cap Strength: 12.15 C Lift Cond Lev (LCL): 885.13 mb = 1231.80 m = 4041.30 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 324 at 10 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 1013 103 115 5 -4.5 2.1 | 134 14 -10.3 10.1 1 1000 207 100 5 -4.9 0.9 | 130 14 -10.7 8.9 2 925 865 350 1 0.2 -1.0 | 141 9 -5.6 7.0 3 850 1569 245 7 6.3 3.0 | 183 11 0.5 11.0 4 700 3167 315 5 3.5 -3.5 | 153 5 -2.3 4.5 5 500 5820 295 35 31.7 -14.8 | 285 27 25.9 -6.8 6 400 7520 305 48 39.3 -27.5 | 300 39 33.5 -19.5 7 300 9600 320 60 38.6 -46.0 | 319 50 32.8 -38.0 8 250 10840 325 68 39.0 -55.7 | 325 58 33.2 -47.7 9 200 12290 325 81 46.5 -66.4 | 325 71 40.7 -58.4 10 195 12451 325 83 47.6 -68.0 | 325 73 41.8 -60.0 11 158 13769 305 48 39.3 -27.5 | 300 39 33.5 -19.5 12 150 14090 310 66 50.6 -42.4 | 308 56 44.8 -34.4 13 100 16610 295 23 20.8 -9.7 | 277 15 15.0 -1.7 Wind Parameters Mean winds (0-6000m): 294.0 at 13.2 knts Storm direction: 324.0 at 9.9 knts Shear (0-3000m) pos: 1.2 neg: 1.9 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 21.6 deg Storm rel helicity (0-3000m) pos: 17.0 neg: -12.5 tot: 4.6 m^2/s^2 ave: 1.5 10^-3 m/s^2 rel: 0.12 Storm rel vorticity (0-3000m) horiz: 4.2 stream: 0.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.06 Bulk Shear: 37.79 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 87 4 128 13| 0.0 5.4 5.4| 1.8 -8.0 -6.2 -12.4 -0.24| 6.5 -1.6 1000 82 3 131 12| 0.0 4.1 4.1| 8.1 -8.0 0.1 0.1 0.12| 5.3 0.7 1500 206 4 160 12| 0.0 3.7 3.7| 16.5 -8.0 8.6 5.7 0.32| 6.0 1.9 2000 245 4 170 10| 0.7 2.8 3.5| 17.0 -8.1 8.9 4.5 0.29| 5.2 1.5 2500 258 5 173 9| 1.0 2.2 3.3| 17.0 -9.8 7.2 2.9 0.22| 4.6 1.0 3000 267 5 173 8| 1.2 1.9 3.0| 17.0 -12.5 4.6 1.5 0.12| 4.2 0.5 4000 290 6 179 6| 0.9 2.6 3.5| 22.3 -12.6 9.8 2.4 0.27| 4.5 1.2 5000 296 9 211 5| 0.7 3.3 4.0| 24.0 -13.5 10.6 2.1 0.21| 4.8 1.0 6000 294 13 247 7| 0.7 3.2 4.0| 34.0 -21.0 13.0 2.2 0.17| 5.0 0.9 Wrote GIF file: /home/apache/climate/data/raob//LFRB/skewt/LFRB.skewt.20250806.12.gif