UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120200.upa.cvt Date: 0000Z 2 DEC 25 Searching for LFBD... Searching the city database file for: LFBD ... Date:0000Z 2 DEC 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 6.6 6.1 97 0.5 6.3 165 17 279.3 280.3 279.2 295.3 5.87 1 1000 95 6.6 6.2 97 0.4 6.4 170 17 279.8 280.8 279.6 296.0 5.95 2 925 743 10.4 -7.6 27 18.0 3.1 230 27 289.9 290.4 279.9 296.9 2.33 3 850 1441 6.2 1.2 70 5.0 3.8 270 19 292.6 293.5 284.1 306.9 4.91 4 700 3000 -3.5 -3.8 98 0.3 -3.6 245 25 298.6 299.4 285.7 311.0 4.12 5 500 5580 -19.1 -48.1 6 29.0 -22.2 250 35 309.8 309.8 285.4 310.1 0.10 6 400 7200 -32.1 -51.1 13 19.0 -33.4 245 44 313.3 313.3 286.6 313.6 0.09 7 300 9160 -48.1 -60.1 24 12.0 -48.4 225 48 317.6 317.6 288.0 317.7 0.04 8 250 10340 -56.7 -61.1 57 4.4 -56.8 225 60 321.8 321.8 289.3 321.9 0.04 9 221 11110 -61.8 -65.8 59 4.0 -61.9 220 64 325.5 325.5 290.5 325.6 0.02 10 201 11690 -65.7 -69.4 60 3.7 -65.7 225 56 328.2 328.2 291.2 328.3 0.02 11 200 11720 -65.5 -69.2 60 3.7 -65.5 225 56 329.0 329.0 291.5 329.1 0.02 12 150 13490 -58.3 -75.3 10 17.0 -58.5 235 44 369.6 369.6 300.5 369.7 0.01 13 100 16020 -61.9 -90.9 1 29.0 -62.1 265 35 408.1 408.1 306.3 408.1 0.00 TRP 201 11690 -65.7 -69.4 60 3.7 -65.7 225 56 328.2 328.2 291.2 328.3 0.02 WND 221 11110 -61.8 -65.8 59 4.0 -61.9 220 64 325.5 325.5 290.5 325.6 0.02 Sounding variables and indices 1000-500 mb thick: 5485.00 m Freezing level: 754.12 mb = 2437.47 m = 7996.87 ft Wetbulb zero: 773.41 mb = 2199.24 m = 7215.26 ft Precipitable water: 0.69 inches Sfc-500 mean rel hum: 61.96 % Est. max temperature: 19.77 C = 67.58 F Sfc-Lift cond lev (LCL): 998.33 mb = 108.92 m = 357.34 ft T: 6.68 C 700-500 lapse rate: 6.05 C/km Conv cond level (CCL): 680.08 mb = 3221.39 m = 10568.73 ft Mean mixing ratio: 3.93 g/kg Conv temperature: 26.95 C = 80.51 F Cap Strength: 7.79 C Lifted Index: 12.11 C Risk: None Lifted Index @300 mb: 14.81 C Lifted Index @700 mb: 7.79 C Showalter Index: 5.20 C Risk: None Total Totals Index: 45.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.30 C Cross Totals Index: 20.30 C K Index: 26.20 Risk: 40-60 % chance of thunderstorms Sweat Index: 87.40 Risk: None Energy Index: 0.70 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 25.75 J/kg Max Up Vert Vel: 7.18 m/s Conv Inhibition (B-): 13533.36 J/kg Cap Strength: 12.08 C Lift Cond Lev (LCL): 832.16 mb = 1611.29 m = 5286.32 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 276 at 20 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 61 165 17 -4.4 16.4 | 127 31 -24.3 18.7 1 1000 95 170 17 -3.0 16.7 | 130 30 -22.9 19.0 2 925 743 230 27 20.7 17.4 | 182 20 0.7 19.6 3 850 1441 270 19 19.0 -0.0 | 157 2 -0.9 2.3 4 700 3000 245 25 22.7 10.6 | 192 13 2.7 12.8 5 500 5580 250 35 32.9 12.0 | 222 19 12.9 14.2 6 400 7200 245 44 39.9 18.6 | 224 29 19.9 20.8 7 300 9160 225 48 33.9 33.9 | 201 39 14.0 36.2 8 250 10340 225 60 42.4 42.4 | 207 50 22.5 44.7 9 221 11110 220 64 41.1 49.0 | 202 55 21.2 51.3 10 201 11690 225 56 39.6 39.6 | 205 46 19.6 41.9 11 200 11720 225 56 39.6 39.6 | 205 46 19.6 41.9 12 150 13490 235 44 36.0 25.2 | 210 32 16.1 27.5 13 100 16020 265 35 34.9 3.1 | 250 16 14.9 5.3 Wind Parameters Mean winds (0-6000m): 246.4 at 26.8 knts Storm direction: 276.4 at 20.1 knts Shear (0-3000m) pos: 4.9 neg: 1.8 tot: 6.7 10-3/s Storm rel Dir Shear (0-3000m): 65.4 deg Storm rel helicity (0-3000m) pos: 173.5 neg: -3.0 tot: 170.5 m^2/s^2 ave: 56.8 10^-3 m/s^2 rel: 0.47 Storm rel vorticity (0-3000m) horiz: 9.5 stream: 4.5 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.41 Bulk Shear: 63.30 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 ------------------------------------------------------------------------------- 500 193 20 145 27| 18.6 0.0 18.6|122.6 0.0 122.6 245.2 0.92| 19.0 17.5 1000 217 23 163 21| 14.0 0.0 14.0|170.2 0.0 170.2 170.2 0.74| 18.1 13.3 1500 230 22 170 17| 9.8 0.0 9.8|170.8 -2.3 168.5 112.3 0.54| 15.4 8.4 2000 239 22 174 14| 7.4 0.9 8.2|172.3 -2.3 170.0 85.0 0.53| 12.4 6.7 2500 243 22 177 12| 5.9 1.5 7.3|172.9 -2.3 170.6 68.3 0.50| 10.7 5.4 3000 244 22 180 12| 4.9 1.8 6.7|173.5 -3.0 170.5 56.8 0.47| 9.5 4.5 4000 244 23 185 12| 4.1 1.4 5.4|186.3 -3.0 183.3 45.8 0.50| 7.7 3.8 5000 245 25 192 13| 3.6 1.1 4.7|199.9 -3.0 196.9 39.4 0.51| 6.5 3.4 6000 246 27 200 14| 3.1 1.1 4.3|209.1 -3.0 206.1 34.4 0.50| 5.9 3.0 Wrote GIF file: /home/apache/climate/data/raob//LFBD/skewt/LFBD.skewt.20251202.00.gif