UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025051212.upa.cvt Date: 1200Z 12 MAY 25 Searching for LFBD... Searching the city database file for: LFBD ... Date:1200Z 12 MAY 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 1008 61 17.8 9.8 59 8.0 13.1 230 11 290.3 291.6 285.9 311.7 7.56 1 1000 117 17.0 9.0 59 8.0 12.4 235 11 290.1 291.4 285.5 310.6 7.21 2 925 771 9.4 7.3 87 2.1 8.2 240 15 288.9 290.1 284.8 308.6 6.94 3 850 1466 4.0 1.2 82 2.8 2.7 230 19 290.3 291.2 283.2 304.5 4.91 4 700 3011 -5.3 -7.9 82 2.6 -6.3 245 13 296.6 297.2 283.7 305.7 3.01 5 500 5560 -21.7 -29.7 48 8.0 -23.1 240 19 306.6 306.7 284.8 308.8 0.65 6 400 7160 -35.1 -38.9 68 3.8 -35.4 250 21 309.4 309.4 285.5 310.5 0.33 7 300 9090 -51.5 -57.5 49 6.0 -51.7 260 33 312.8 312.8 286.4 313.0 0.05 8 276 9626 -54.5 -61.5 42 7.0 -54.6 265 33 316.0 316.0 287.5 316.1 0.04 9 250 10260 -52.9 -67.9 15 15.0 -53.1 240 23 327.4 327.4 291.0 327.5 0.02 10 200 11720 -49.3 -78.3 2 29.0 -49.8 240 13 354.7 354.7 297.6 354.7 0.00 11 150 13600 -52.3 -84.3 1 32.0 -52.8 235 15 380.0 380.0 302.2 380.0 0.00 12 100 16210 -53.3 -85.3 1 32.0 -53.9 220 17 424.7 424.7 308.3 424.8 0.00 TRP 276 9626 -54.5 -61.5 42 7.0 -54.6 265 33 316.0 316.0 287.5 316.1 0.04 WND Sounding variables and indices 1000-500 mb thick: 5443.00 m Freezing level: 785.48 mb = 2130.52 m = 6989.80 ft Wetbulb zero: 805.55 mb = 1893.39 m = 6211.83 ft Precipitable water: 0.82 inches Sfc-500 mean rel hum: 72.91 % Est. max temperature: 17.70 C = 63.85 F Sfc-Lift cond lev (LCL): 894.60 mb = 1045.66 m = 3430.62 ft T: 7.27 C 700-500 lapse rate: 6.43 C/km ThetaE index: 7.27 C Layer 1000.0- 700.0 mb Conv cond level (CCL): 889.70 mb = 1090.83 m = 3578.81 ft Mean mixing ratio: 7.03 g/kg Conv temperature: 17.09 C = 62.77 F Cap Strength: 0.06 C Lifted Index: 0.96 C Risk: Showers probable Lifted Index @300 mb: 2.56 C Lifted Index @700 mb: -0.93 C Showalter Index: 4.18 C Risk: None Total Totals Index: 48.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.70 C Cross Totals Index: 22.90 C K Index: 24.30 Risk: 20-40 % chance of thunderstorms Sweat Index: 118.11 Risk: None Energy Index: 0.83 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 96.88 J/kg Max Up Vert Vel: 13.92 m/s Conv Inhibition (B-): 2.14 J/kg Cap Strength: 0.94 C Lift Cond Lev (LCL): 890.77 mb = 1080.92 m = 3546.28 ft Lev Free Conv (LFC): 885.77 mb = 1127.18 m = 3698.06 ft Equ Level (EL): 555.77 mb = 4758.88 m = 15612.94 ft B at Equ Level: 96.66 J/kg Max Parcel Lev (MPL): 375.77 mb = 7579.19 m = 24865.81 ft Wind level data Storm motion: 269 at 12 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 1008 61 230 11 8.4 7.1 | 152 8 -3.6 6.9 1 1000 117 235 11 9.0 6.3 | 154 7 -3.0 6.1 2 925 771 240 15 13.0 7.5 | 188 7 1.0 7.3 3 850 1466 230 19 14.6 12.2 | 192 12 2.5 12.0 4 700 3011 245 13 11.8 5.5 | 177 5 -0.2 5.3 5 500 5560 240 19 16.5 9.5 | 205 10 4.4 9.3 6 400 7160 250 21 19.7 7.2 | 228 10 7.7 7.0 7 300 9090 260 33 32.5 5.7 | 255 21 20.5 5.6 8 276 9626 265 33 32.9 2.9 | 263 21 20.9 2.7 9 250 10260 240 23 19.9 11.5 | 215 14 7.9 11.3 10 200 11720 240 13 11.3 6.5 | 173 6 -0.8 6.3 11 150 13600 235 15 12.3 8.6 | 182 8 0.3 8.4 12 100 16210 220 17 10.9 13.0 | 175 13 -1.1 12.9 Wind Parameters Mean winds (0-6000m): 239.2 at 16.0 knts Storm direction: 269.2 at 12.0 knts Shear (0-3000m) pos: 1.0 neg: 0.9 tot: 2.0 10-3/s Storm rel Dir Shear (0-3000m): 26.0 deg Storm rel helicity (0-3000m) pos: 9.5 neg: -3.2 tot: 6.3 m^2/s^2 ave: 2.1 10^-3 m/s^2 rel: 0.19 Storm rel vorticity (0-3000m) horiz: 2.9 stream: 0.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 47.76 Bulk Shear: 2.03 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 ------------------------------------------------------------------------------- 500 236 12 164 7| 3.4 0.0 3.4| 5.5 0.0 5.5 11.0 0.83| 3.7 3.1 1000 238 14 176 7| 1.7 1.6 3.2| 9.0 0.0 9.0 9.0 0.69| 3.6 2.5 1500 235 15 183 8| 1.1 1.8 2.9| 9.5 -0.0 9.5 6.3 0.48| 3.5 1.7 2000 235 16 185 9| 0.9 1.4 2.3| 9.5 -0.5 9.0 4.5 0.37| 3.3 1.2 2500 235 16 186 9| 1.0 1.1 2.1| 9.5 -1.8 7.8 3.1 0.28| 3.1 0.9 3000 236 15 185 8| 1.0 0.9 2.0| 9.5 -3.2 6.3 2.1 0.19| 2.9 0.6 4000 238 15 186 8| 0.8 1.0 1.8| 12.3 -3.2 9.1 2.3 0.26| 2.5 0.6 5000 239 15 189 8| 0.6 1.0 1.7| 14.8 -3.2 11.6 2.3 0.28| 2.3 0.6 6000 239 16 192 8| 0.6 1.0 1.6| 19.3 -3.2 16.1 2.7 0.32| 2.1 0.7 Wrote GIF file: /home/apache/climate/data/raob//LFBD/skewt/LFBD.skewt.20250512.12.gif