UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101712.upa.cvt Date: 1200Z 17 OCT 25 Searching for LFRB... Searching the city database file for: LFRB ... Date:1200Z 17 OCT 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 1010 103 13.8 4.8 55 9.0 9.1 90 11 286.1 287.1 281.8 301.2 5.34 1 1000 181 13.0 6.0 62 7.0 9.3 100 13 286.1 287.2 282.4 302.6 5.86 2 925 829 7.2 3.9 80 3.3 5.5 115 19 286.7 287.6 282.2 302.1 5.47 3 850 1531 10.8 -11.2 20 22.0 2.1 165 5 297.5 297.8 282.7 303.4 1.91 4 700 3125 2.2 -21.8 15 24.0 -5.1 120 9 304.9 305.1 284.6 308.1 0.95 5 500 5760 -14.9 -38.9 11 24.0 -18.8 145 11 314.9 314.9 287.3 315.8 0.26 6 400 7400 -28.7 -47.7 14 19.0 -30.4 165 7 317.7 317.7 288.2 318.2 0.13 7 300 9380 -44.7 -58.7 19 14.0 -45.2 320 11 322.4 322.4 289.5 322.5 0.05 8 250 10580 -54.3 -62.3 37 8.0 -54.5 330 23 325.3 325.3 290.4 325.5 0.04 9 200 11970 -63.9 -67.6 60 3.7 -63.9 340 36 331.6 331.6 292.2 331.7 0.02 10 198 12032 -64.1 -68.2 57 4.1 -64.1 340 33 332.2 332.2 292.3 332.3 0.02 11 150 13750 -61.9 -85.9 3 24.0 -62.0 315 17 363.4 363.4 299.4 363.4 0.00 12 100 16250 -61.5 -90.5 1 29.0 -61.7 305 15 408.9 408.9 306.4 408.9 0.00 TRP 198 12032 -64.1 -68.2 57 4.1 -64.1 340 33 332.2 332.2 292.3 332.3 0.02 WND Sounding variables and indices 1000-500 mb thick: 5579.00 m Freezing level: 674.27 mb = 3464.01 m = 11364.71 ft Wetbulb zero: 805.69 mb = 1970.57 m = 6465.06 ft Precipitable water: 0.45 inches Sfc-500 mean rel hum: 25.75 % Est. max temperature: 23.64 C = 74.55 F Sfc-Lift cond lev (LCL): 881.74 mb = 1226.60 m = 4024.22 ft T: 9.24 C 700-500 lapse rate: 6.49 C/km ThetaE index: 0.51 C Layer 925.0- 850.0 mb Conv cond level (CCL): 663.09 mb = 3549.27 m = 11644.43 ft Mean mixing ratio: 5.56 g/kg Conv temperature: 34.31 C = 93.77 F Cap Strength: 10.35 C Lifted Index: 12.50 C Risk: None Lifted Index @300 mb: 14.34 C Lifted Index @700 mb: 10.35 C Showalter Index: 11.74 C Risk: None Total Totals Index: 29.40 C Risk: None Vertical Totals Index: 25.70 C Cross Totals Index: 3.70 C K Index: -9.50 Risk: None Sweat Index: 21.00 Risk: None Energy Index: 2.71 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.17 J/kg Max Up Vert Vel: 3.22 m/s Conv Inhibition (B-): 12542.58 J/kg Cap Strength: 12.43 C Lift Cond Lev (LCL): 883.37 mb = 1211.31 m = 3974.08 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 159 at 8 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 1010 103 90 11 -11.0 0.0 | 49 11 -8.3 -7.1 1 1000 181 100 13 -12.8 2.3 | 64 11 -10.1 -4.8 2 925 829 115 19 -17.2 8.0 | 94 15 -14.5 0.9 3 850 1531 165 5 -1.3 4.8 | 328 3 1.4 -2.3 4 700 3125 120 9 -7.8 4.5 | 63 6 -5.1 -2.6 5 500 5760 145 11 -6.3 9.0 | 118 4 -3.6 1.9 6 400 7400 165 7 -1.8 6.8 | 290 1 0.9 -0.3 7 300 9380 320 11 7.1 -8.4 | 328 18 9.8 -15.5 8 250 10580 330 23 11.5 -19.9 | 332 31 14.2 -27.0 9 200 11970 340 36 12.3 -33.8 | 340 44 15.0 -40.9 10 198 12032 340 33 11.3 -31.0 | 340 41 14.0 -38.1 11 150 13750 315 17 12.0 -12.0 | 322 24 14.7 -19.1 12 100 16250 305 15 12.3 -8.6 | 316 22 15.0 -15.7 Wind Parameters Mean winds (0-6000m): 129.0 at 10.1 knts Storm direction: 159.0 at 7.6 knts Shear (0-3000m) pos: 1.8 neg: 1.1 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): 13.6 deg Storm rel helicity (0-3000m) pos: 41.7 neg: -0.5 tot: 41.3 m^2/s^2 ave: 13.8 10^-3 m/s^2 rel: 0.37 Storm rel vorticity (0-3000m) horiz: 5.9 stream: 2.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.85 Bulk Shear: 6.08 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 ------------------------------------------------------------------------------- 500 104 14 73 12| 7.8 0.0 7.8| 21.8 0.0 21.8 43.7 0.94| 7.8 7.3 1000 112 16 84 12| 4.9 0.0 4.9| 38.9 0.0 38.9 38.9 0.70| 9.1 6.3 1500 116 13 82 9| 3.7 0.0 3.7| 39.8 -0.5 39.4 26.2 0.34| 9.6 3.3 2000 120 12 80 7| 2.8 0.5 3.2| 40.6 -0.5 40.2 20.1 0.38| 7.7 2.9 2500 123 11 78 6| 2.2 0.8 3.0| 41.4 -0.5 41.0 16.4 0.39| 6.6 2.6 3000 122 10 75 6| 1.8 1.1 2.9| 41.7 -0.5 41.3 13.8 0.37| 5.9 2.2 4000 123 10 74 6| 1.5 0.8 2.3| 43.8 -0.5 43.4 10.8 0.40| 4.7 1.9 5000 125 10 77 6| 1.4 0.6 2.0| 45.9 -0.5 45.4 9.1 0.42| 3.9 1.7 6000 129 10 82 5| 1.3 0.5 1.8| 47.6 -0.5 47.1 7.9 0.44| 3.5 1.5 Wrote GIF file: /home/apache/climate/data/raob//LFRB/skewt/LFRB.skewt.20251017.12.gif