UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120900.upa.cvt Date: 0000Z 9 DEC 25 Searching for LFBD... Searching the city database file for: LFBD ... Date:0000Z 9 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 1011 61 10.4 9.5 94 0.9 9.9 160 13 282.7 283.9 282.5 303.0 7.38 1 1000 142 11.6 10.5 93 1.1 11.0 165 17 284.8 286.1 284.1 306.9 7.99 2 925 799 12.2 2.2 50 10.0 7.1 220 27 291.8 292.6 283.7 305.8 4.85 3 850 1501 11.4 -1.6 40 13.0 5.1 215 35 298.1 298.8 285.4 310.1 4.00 4 700 3095 1.6 -9.4 44 11.0 -2.9 215 33 304.3 304.8 286.2 312.6 2.68 5 500 5730 -15.1 -16.6 88 1.5 -15.6 250 21 314.6 315.0 289.2 321.5 2.09 6 400 7380 -26.9 -30.4 72 3.5 -27.5 260 21 320.0 320.2 289.6 322.7 0.76 7 300 9380 -43.5 -54.5 29 11.0 -44.0 320 21 324.0 324.1 290.1 324.4 0.08 8 250 10570 -54.3 -60.3 48 6.0 -54.4 340 33 325.3 325.3 290.4 325.5 0.05 9 200 11970 -65.1 -70.1 50 5.0 -65.1 330 17 329.7 329.7 291.6 329.7 0.02 10 197 12063 -65.5 -70.5 50 5.0 -65.5 310 17 330.5 330.5 291.9 330.5 0.01 11 150 13740 -62.5 -81.5 6 19.0 -62.6 335 33 362.4 362.4 299.2 362.4 0.00 12 100 16220 -64.5 -92.5 1 28.0 -64.7 315 36 403.1 403.1 305.6 403.1 0.00 TRP 197 12063 -65.5 -70.5 50 5.0 -65.5 310 17 330.5 330.5 291.9 330.5 0.01 WND Sounding variables and indices 1000-500 mb thick: 5588.00 m Freezing level: 680.84 mb = 3347.46 m = 10982.33 ft Wetbulb zero: 753.67 mb = 2488.48 m = 8164.20 ft Precipitable water: 0.82 inches Sfc-500 mean rel hum: 57.98 % Est. max temperature: 24.90 C = 76.82 F Sfc-Lift cond lev (LCL): 997.43 mb = 163.72 m = 537.12 ft T: 11.62 C 700-500 lapse rate: 6.34 C/km ThetaE index: 1.03 C Layer 925.0- 850.0 mb Conv cond level (CCL): 706.74 mb = 3016.35 m = 9896.03 ft Mean mixing ratio: 6.31 g/kg Conv temperature: 31.76 C = 89.16 F Cap Strength: 7.95 C Lifted Index: 9.61 C Risk: None Lifted Index @300 mb: 12.79 C Lifted Index @700 mb: 7.62 C Showalter Index: 7.15 C Risk: None Total Totals Index: 40.00 C Risk: None Vertical Totals Index: 26.50 C Cross Totals Index: 13.50 C K Index: 13.90 Risk: None Sweat Index: 187.70 Risk: None Energy Index: 2.36 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 16.62 J/kg Max Up Vert Vel: 5.77 m/s Conv Inhibition (B-): 10819.15 J/kg Cap Strength: 9.56 C Lift Cond Lev (LCL): 884.25 mb = 1173.06 m = 3848.59 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 251 at 21 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 1011 61 160 13 -4.4 12.2 | 102 25 -24.5 5.3 1 1000 142 165 17 -4.4 16.4 | 111 26 -24.4 9.5 2 925 799 220 27 17.4 20.7 | 169 14 -2.7 13.8 3 850 1501 215 35 20.1 28.7 | 180 22 0.0 21.8 4 700 3095 215 33 18.9 27.0 | 177 20 -1.1 20.1 5 500 5730 250 21 19.7 7.2 | 133 0 -0.3 0.3 6 400 7380 260 21 20.7 3.6 | 349 3 0.7 -3.3 7 300 9380 320 21 13.5 -16.1 | 16 24 -6.5 -23.0 8 250 10570 340 33 11.3 -31.0 | 13 39 -8.7 -37.9 9 200 11970 330 17 8.5 -14.7 | 28 25 -11.5 -21.6 10 197 12063 310 17 13.0 -10.9 | 21 19 -7.0 -17.8 11 150 13740 335 33 13.9 -29.9 | 9 37 -6.1 -36.8 12 100 16220 315 36 25.5 -25.5 | 350 33 5.4 -32.4 Wind Parameters Mean winds (0-6000m): 221.0 at 28.2 knts Storm direction: 251.0 at 21.2 knts Shear (0-3000m) pos: 4.4 neg: 0.6 tot: 5.0 10-3/s Storm rel Dir Shear (0-3000m): 74.7 deg Storm rel helicity (0-3000m) pos: 149.3 neg: -6.2 tot: 143.1 m^2/s^2 ave: 47.7 10^-3 m/s^2 rel: 0.70 Storm rel vorticity (0-3000m) horiz: 6.4 stream: 4.5 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.39 Bulk Shear: 42.57 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 ------------------------------------------------------------------------------- 500 182 19 123 23| 16.3 0.0 16.3| 99.7 0.0 99.7 199.5 0.89| 18.5 16.5 1000 204 23 143 18| 13.2 0.0 13.2|140.7 0.0 140.7 140.7 0.85| 15.5 13.1 1500 209 26 156 18| 8.8 1.8 10.6|149.3 0.0 149.3 99.5 0.77| 12.1 9.3 2000 211 28 163 18| 6.6 1.2 7.8|149.3 -2.1 147.2 73.6 0.75| 9.3 6.9 2500 212 29 166 19| 5.3 0.8 6.1|149.3 -4.1 145.2 58.1 0.72| 7.5 5.5 3000 213 30 168 19| 4.4 0.6 5.0|149.3 -6.2 143.1 47.7 0.70| 6.4 4.5 4000 215 30 171 18| 3.3 0.5 3.7|159.8 -6.2 153.6 38.4 0.63| 5.8 3.7 5000 218 30 173 17| 2.6 0.4 3.0|162.5 -6.2 156.3 31.3 0.56| 5.5 3.0 6000 221 28 174 14| 2.2 0.3 2.5|162.5 -6.5 156.0 26.0 0.48| 5.0 2.4 Wrote GIF file: /home/apache/climate/data/raob//LFBD/skewt/LFBD.skewt.20251209.00.gif