UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101912.upa.cvt Date: 1200Z 19 OCT 25 Searching for LFBD... Searching the city database file for: LFBD ... Date:1200Z 19 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 1005 61 19.2 11.2 60 8.0 14.4 175 3 291.9 293.4 287.3 315.7 8.33 1 1000 95 19.2 11.2 60 8.0 14.4 175 3 292.4 293.8 287.5 316.3 8.37 2 925 761 17.4 7.4 52 10.0 11.6 215 38 297.1 298.4 287.9 317.6 6.99 3 850 1477 12.0 6.0 67 6.0 8.6 235 33 298.7 300.0 288.5 319.1 6.91 4 700 3071 0.4 -1.5 87 1.9 -0.5 195 33 302.9 303.8 288.0 317.8 4.90 5 500 5700 -12.5 -13.0 96 0.5 -12.7 265 27 317.8 318.3 290.9 327.0 2.81 6 400 7370 -23.7 -24.3 95 0.6 -23.8 245 25 324.2 324.5 291.4 328.8 1.34 7 300 9410 -39.5 -44.3 60 4.8 -39.9 245 40 329.7 329.7 291.9 330.6 0.25 8 250 10630 -50.9 -56.9 49 6.0 -51.1 240 46 330.4 330.4 291.9 330.7 0.07 9 201 12000 -63.3 -69.3 44 6.0 -63.4 245 44 332.0 332.0 292.3 332.1 0.02 10 200 12030 -63.3 -69.3 44 6.0 -63.4 245 44 332.5 332.5 292.4 332.6 0.02 11 150 13820 -59.9 -72.9 17 13.0 -60.1 280 36 366.9 366.9 300.0 366.9 0.01 12 100 16310 -63.9 -88.9 2 25.0 -64.1 280 31 404.3 404.3 305.7 404.3 0.00 TRP 201 12000 -63.3 -69.3 44 6.0 -63.4 245 44 332.0 332.0 292.3 332.1 0.02 WND Sounding variables and indices 1000-500 mb thick: 5605.00 m Freezing level: 693.80 mb = 3152.52 m = 10342.79 ft Wetbulb zero: 708.33 mb = 2973.89 m = 9756.73 ft Precipitable water: 1.23 inches Sfc-500 mean rel hum: 79.33 % Est. max temperature: 25.88 C = 78.59 F Sfc-Lift cond lev (LCL): 892.33 mb = 1065.44 m = 3495.50 ft T: 15.10 C 700-500 lapse rate: 4.91 C/km ThetaE index: 1.31 C Layer 700.0- 500.0 mb Conv cond level (CCL): 766.21 mb = 2329.01 m = 7641.02 ft Mean mixing ratio: 7.57 g/kg Conv temperature: 28.30 C = 82.94 F Cap Strength: 3.81 C Lifted Index: 5.53 C Risk: None Lifted Index @300 mb: 9.35 C Lifted Index @700 mb: 1.23 C Showalter Index: 4.41 C Risk: None Total Totals Index: 43.00 C Risk: None Vertical Totals Index: 24.50 C Cross Totals Index: 18.50 C K Index: 28.60 Risk: 40-60 % chance of thunderstorms Sweat Index: 252.50 Risk: None Energy Index: 1.51 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.24 J/kg Max Up Vert Vel: 5.15 m/s Conv Inhibition (B-): 8149.18 J/kg Cap Strength: 5.40 C Lift Cond Lev (LCL): 833.67 mb = 1636.30 m = 5368.37 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 253 at 23 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 1005 61 175 3 -0.3 3.0 | 81 22 -21.8 -3.5 1 1000 95 175 3 -0.3 3.0 | 81 22 -21.8 -3.5 2 925 761 215 38 21.8 31.1 | 180 25 0.2 24.7 3 850 1477 235 33 27.0 18.9 | 204 14 5.4 12.5 4 700 3071 195 33 8.5 31.9 | 153 29 -13.0 25.4 5 500 5700 265 27 26.9 2.4 | 308 7 5.3 -4.1 6 400 7370 245 25 22.7 10.6 | 195 4 1.1 4.1 7 300 9410 245 40 36.3 16.9 | 235 18 14.7 10.4 8 250 10630 240 46 39.8 23.0 | 228 25 18.3 16.5 9 201 12000 245 44 39.9 18.6 | 236 22 18.3 12.1 10 200 12030 245 44 39.9 18.6 | 236 22 18.3 12.1 11 150 13820 280 36 35.5 -6.3 | 313 19 13.9 -12.7 12 100 16310 280 31 30.5 -5.4 | 323 15 8.9 -11.8 Wind Parameters Mean winds (0-6000m): 223.3 at 30.0 knts Storm direction: 253.3 at 22.5 knts Shear (0-3000m) pos: 5.4 neg: 3.7 tot: 9.1 10-3/s Storm rel Dir Shear (0-3000m): 72.1 deg Storm rel helicity (0-3000m) pos: 255.0 neg: -94.2 tot: 160.8 m^2/s^2 ave: 53.6 10^-3 m/s^2 rel: 0.38 Storm rel vorticity (0-3000m) horiz: 12.7 stream: 4.8 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.31 Bulk Shear: 42.51 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 ------------------------------------------------------------------------------- 500 200 14 112 18| 25.6 0.0 25.6|144.0 0.0 144.0 288.0 1.00| 26.6 26.5 1000 215 25 151 16| 17.5 0.0 17.5|236.9 0.0 236.9 236.9 0.93| 22.7 21.2 1500 221 28 167 15| 10.8 0.0 10.8|255.0 -3.2 251.8 167.9 0.85| 18.0 15.2 2000 222 29 173 15| 8.1 1.9 10.0|255.0 -27.9 227.1 113.6 0.65| 15.4 10.0 2500 221 30 173 16| 6.5 3.0 9.4|255.0 -57.7 197.3 78.9 0.50| 13.8 6.9 3000 217 30 170 18| 5.4 3.7 9.1|255.0 -94.2 160.8 53.6 0.38| 12.7 4.8 4000 215 31 168 19| 5.0 2.7 7.8|307.5 -94.2 213.3 53.3 0.41| 11.4 4.7 5000 218 31 171 18| 4.6 2.2 6.8|334.0 -94.2 239.8 48.0 0.45| 10.6 4.7 6000 223 30 176 15| 4.0 1.9 5.8|345.7 -95.9 249.8 41.6 0.47| 9.7 4.5 Wrote GIF file: /home/apache/climate/data/raob//LFBD/skewt/LFBD.skewt.20251019.12.gif