UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025103112.upa.cvt Date: 1200Z 31 OCT 25 Searching for LFBD... Searching the city database file for: LFBD ... Date:1200Z 31 OCT 25 Station: LFBD WMO ident: 7510 Latitude: 44.83 Longitude: -0.70 Elevation: 61.00 ------------------------------------------------------------------------------- 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 1006 61 17.6 11.6 68 6.0 14.0 155 7 290.3 291.8 286.9 314.4 8.55 1 1000 101 16.8 11.8 72 5.0 13.8 160 9 290.0 291.5 286.9 314.6 8.72 2 925 764 15.0 6.0 55 9.0 10.0 220 27 294.6 295.8 286.4 313.1 6.34 3 850 1472 9.8 2.8 62 7.0 6.1 210 23 296.4 297.4 286.2 312.6 5.51 4 700 3062 0.4 -1.1 90 1.5 -0.3 240 25 302.9 303.9 288.2 318.2 5.05 5 500 5680 -14.7 -14.7 100 0.0 -14.7 230 52 315.1 315.6 289.7 323.1 2.45 6 400 7340 -25.5 -27.9 80 2.4 -26.0 235 62 321.8 322.0 290.3 325.2 0.96 7 300 9360 -41.9 -48.9 46 7.0 -42.3 245 73 326.3 326.3 290.8 326.9 0.15 8 250 10560 -51.5 -57.5 49 6.0 -51.7 250 83 329.5 329.5 291.6 329.8 0.06 9 200 11970 -62.9 -67.8 51 4.9 -63.0 250 104 333.2 333.2 292.6 333.2 0.02 10 197 12063 -63.5 -68.5 51 4.9 -63.6 255 106 333.6 333.6 292.7 333.6 0.02 11 183 12514 -66.7 -71.7 49 5.0 -66.7 260 95 335.5 335.6 293.2 335.6 0.01 12 150 13720 -66.3 -75.3 27 9.0 -66.4 245 71 355.9 355.9 297.9 355.9 0.01 13 100 16190 -64.9 -79.9 11 15.0 -65.0 245 52 402.3 402.3 305.5 402.4 0.01 TRP 183 12514 -66.7 -71.7 49 5.0 -66.7 260 95 335.5 335.6 293.2 335.6 0.01 WND 197 12063 -63.5 -68.5 51 4.9 -63.6 255 106 333.6 333.6 292.7 333.6 0.02 Sounding variables and indices 1000-500 mb thick: 5579.00 m Freezing level: 694.70 mb = 3131.35 m = 10273.34 ft Wetbulb zero: 707.72 mb = 2972.16 m = 9751.06 ft Precipitable water: 1.13 inches Sfc-500 mean rel hum: 81.38 % Est. max temperature: 23.63 C = 74.53 F Sfc-Lift cond lev (LCL): 919.98 mb = 809.61 m = 2656.16 ft T: 14.67 C 700-500 lapse rate: 5.77 C/km ThetaE index: 1.96 C Layer 925.0- 700.0 mb Conv cond level (CCL): 779.39 mb = 2182.17 m = 7159.25 ft Mean mixing ratio: 7.34 g/kg Conv temperature: 26.71 C = 80.07 F Cap Strength: 3.38 C Lifted Index: 5.32 C Risk: None Lifted Index @300 mb: 9.23 C Lifted Index @700 mb: 2.72 C Showalter Index: 5.96 C Risk: None Total Totals Index: 42.00 C Risk: None Vertical Totals Index: 24.50 C Cross Totals Index: 17.50 C K Index: 25.80 Risk: 40-60 % chance of thunderstorms Sweat Index: 199.35 Risk: None Energy Index: 2.10 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.60 J/kg Max Up Vert Vel: 5.02 m/s Conv Inhibition (B-): 7527.76 J/kg Cap Strength: 5.11 C Lift Cond Lev (LCL): 858.14 mb = 1392.18 m = 4567.45 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 258 at 24 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 1006 61 155 7 -3.0 6.3 | 93 26 -26.3 1.5 1 1000 101 160 9 -3.1 8.5 | 98 27 -26.4 3.6 2 925 764 220 27 17.4 20.7 | 159 17 -6.0 15.9 3 850 1472 210 23 11.5 19.9 | 142 19 -11.8 15.1 4 700 3062 240 25 21.7 12.5 | 168 8 -1.7 7.7 5 500 5680 230 52 39.8 33.4 | 210 33 16.5 28.6 6 400 7340 235 62 50.8 35.6 | 222 41 27.5 30.7 7 300 9360 245 73 66.2 30.9 | 239 50 42.9 26.0 8 250 10560 250 83 78.0 28.4 | 247 60 54.7 23.6 9 200 11970 250 104 97.7 35.6 | 248 81 74.4 30.8 10 197 12063 255 106 102.4 27.4 | 254 82 79.1 22.6 11 183 12514 260 95 93.6 16.5 | 261 71 70.2 11.7 12 150 13720 245 71 64.3 30.0 | 238 48 41.0 25.2 13 100 16190 245 52 47.1 22.0 | 234 29 23.8 17.2 Wind Parameters Mean winds (0-6000m): 228.3 at 31.7 knts Storm direction: 258.3 at 23.8 knts Shear (0-3000m) pos: 4.8 neg: 0.5 tot: 5.3 10-3/s Storm rel Dir Shear (0-3000m): 74.5 deg Storm rel helicity (0-3000m) pos: 180.1 neg: -25.2 tot: 154.9 m^2/s^2 ave: 51.6 10^-3 m/s^2 rel: 0.57 Storm rel vorticity (0-3000m) horiz: 8.0 stream: 4.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.18 Bulk Shear: 68.34 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 ------------------------------------------------------------------------------- 500 188 15 114 23| 17.9 0.0 17.9|117.9 0.0 117.9 235.9 0.95| 19.4 18.4 1000 210 20 133 18| 11.7 0.0 11.7|159.3 -10.3 149.0 149.0 0.78| 15.8 12.3 1500 211 21 137 18| 7.8 1.0 8.8|160.7 -25.2 135.5 90.4 0.61| 11.9 7.2 2000 213 22 140 18| 6.3 0.7 7.1|169.2 -25.2 144.0 72.0 0.60| 9.9 5.9 2500 216 22 142 17| 5.4 0.6 6.0|175.5 -25.2 150.4 60.1 0.58| 8.7 5.1 3000 219 23 145 15| 4.8 0.5 5.3|180.1 -25.2 154.9 51.6 0.57| 8.0 4.6 4000 225 24 154 14| 3.6 1.0 4.7|198.2 -25.2 173.0 43.3 0.58| 7.3 4.2 5000 228 28 169 14| 2.9 1.9 4.8|211.1 -25.2 186.0 37.2 0.52| 7.0 3.6 6000 228 32 181 16| 2.7 2.1 4.8|230.5 -25.2 205.3 34.2 0.49| 6.6 3.2 Wrote GIF file: /home/apache/climate/data/raob//LFBD/skewt/LFBD.skewt.20251031.12.gif