UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121200.upa.cvt Date: 0000Z 12 DEC 25 Searching for LFBD... Searching the city database file for: LFBD ... Date:0000Z 12 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 1012 61 9.8 9.2 96 0.6 9.5 135 15 282.0 283.2 282.1 301.8 7.23 1 1000 151 10.2 9.5 95 0.7 9.8 150 19 283.4 284.6 283.0 303.9 7.46 2 925 806 11.0 2.0 54 9.0 6.5 210 19 290.6 291.4 283.1 304.3 4.78 3 850 1505 6.4 0.4 65 6.0 3.5 215 19 292.9 293.7 284.0 306.4 4.63 4 700 3066 -3.9 -8.9 68 5.0 -5.8 205 33 298.2 298.7 284.0 306.6 2.78 5 500 5640 -17.7 -32.7 26 15.0 -20.4 220 31 311.5 311.6 286.5 313.2 0.49 6 400 7280 -27.5 -46.5 15 19.0 -29.3 195 19 319.2 319.3 288.7 319.8 0.15 7 300 9280 -43.5 -50.5 46 7.0 -43.9 225 31 324.0 324.1 290.1 324.5 0.12 8 250 10480 -53.9 -58.9 54 5.0 -54.0 230 33 325.9 325.9 290.6 326.2 0.05 9 215 11432 -61.9 -66.7 53 4.8 -62.0 255 35 327.9 327.9 291.2 328.0 0.02 10 200 11880 -61.3 -70.3 29 9.0 -61.4 240 21 335.7 335.7 293.3 335.7 0.01 11 150 13680 -60.1 -83.1 3 23.0 -60.3 215 25 366.5 366.5 299.9 366.5 0.00 12 100 16200 -61.3 -90.3 1 29.0 -61.6 210 21 409.3 409.3 306.4 409.3 0.00 TRP 215 11432 -61.9 -66.7 53 4.8 -62.0 255 35 327.9 327.9 291.2 328.0 0.02 WND Sounding variables and indices 1000-500 mb thick: 5489.00 m Freezing level: 756.80 mb = 2474.94 m = 8119.79 ft Wetbulb zero: 793.67 mb = 2056.32 m = 6746.37 ft Precipitable water: 0.73 inches Sfc-500 mean rel hum: 57.82 % Est. max temperature: 20.32 C = 68.58 F Sfc-Lift cond lev (LCL): 1002.91 mb = 129.11 m = 423.59 ft T: 10.10 C 700-500 lapse rate: 5.36 C/km ThetaE index: 0.00 C Layer 1012.0- -0.0 mb Conv cond level (CCL): 802.54 mb = 1966.94 m = 6453.14 ft Mean mixing ratio: 6.08 g/kg Conv temperature: 22.31 C = 72.16 F Cap Strength: 4.33 C Lifted Index: 8.47 C Risk: None Lifted Index @300 mb: 14.25 C Lifted Index @700 mb: 3.23 C Showalter Index: 6.95 C Risk: None Total Totals Index: 42.20 C Risk: None Vertical Totals Index: 24.10 C Cross Totals Index: 18.10 C K Index: 19.50 Risk: < 20 % chance of thunderstorms Sweat Index: 109.69 Risk: None Energy Index: 1.38 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.91 J/kg Max Up Vert Vel: 5.46 m/s Conv Inhibition (B-): 11203.30 J/kg Cap Strength: 8.22 C Lift Cond Lev (LCL): 895.54 mb = 1073.60 m = 3522.27 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 239 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 1012 61 135 15 -10.6 10.6 | 90 28 -28.2 0.2 1 1000 151 150 19 -9.5 16.5 | 102 28 -27.1 6.0 2 925 806 210 19 9.5 16.5 | 127 10 -8.1 6.0 3 850 1505 215 19 10.9 15.6 | 127 8 -6.7 5.1 4 700 3066 205 33 13.9 29.9 | 169 20 -3.6 19.5 5 500 5640 220 31 19.9 23.7 | 190 13 2.4 13.3 6 400 7280 195 19 4.9 18.4 | 122 15 -12.7 7.9 7 300 9280 225 31 21.9 21.9 | 201 12 4.3 11.5 8 250 10480 230 33 25.3 21.2 | 216 13 7.7 10.8 9 215 11432 255 35 33.8 9.1 | 275 16 16.2 -1.4 10 200 11880 240 21 18.2 10.5 | 266 1 0.6 0.0 11 150 13680 215 25 14.3 20.5 | 162 11 -3.2 10.0 12 100 16200 210 21 10.5 18.2 | 138 10 -7.1 7.7 Wind Parameters Mean winds (0-6000m): 209.2 at 27.3 knts Storm direction: 239.2 at 20.4 knts Shear (0-3000m) pos: 3.8 neg: 2.4 tot: 6.3 10-3/s Storm rel Dir Shear (0-3000m): 79.1 deg Storm rel helicity (0-3000m) pos: 116.9 neg: 0.0 tot: 116.9 m^2/s^2 ave: 39.0 10^-3 m/s^2 rel: 0.54 Storm rel vorticity (0-3000m) horiz: 7.2 stream: 3.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.30 Bulk Shear: 49.51 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 ------------------------------------------------------------------------------- 500 164 19 108 24| 15.9 0.0 15.9| 83.5 0.0 83.5 167.0 0.68| 18.8 12.9 1000 185 19 117 18| 11.0 0.0 11.0| 90.5 0.0 90.5 90.5 0.55| 13.6 7.4 1500 196 19 122 15| 7.7 0.0 7.7| 91.8 0.0 91.8 61.2 0.54| 9.5 5.1 2000 201 20 126 13| 5.8 1.2 6.9|101.4 0.0 101.4 50.7 0.58| 8.3 4.8 2500 203 21 133 13| 4.6 1.9 6.5|110.0 0.0 110.0 44.0 0.57| 7.6 4.4 3000 204 23 140 13| 3.8 2.4 6.3|116.9 0.0 116.9 39.0 0.54| 7.2 3.9 4000 205 25 150 14| 3.1 1.8 5.0|128.0 0.0 128.0 32.0 0.55| 5.8 3.2 5000 207 27 157 14| 2.7 1.5 4.2|137.7 0.0 137.7 27.5 0.56| 5.0 2.8 6000 209 27 162 14| 2.4 1.1 3.5|142.1 -15.0 127.1 21.2 0.44| 4.7 2.1 Wrote GIF file: /home/apache/climate/data/raob//LFBD/skewt/LFBD.skewt.20251212.00.gif