UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050700.upa.cvt Date: 0000Z 7 MAY 25 Searching for LFBD... Searching the city database file for: LFBD ... Date:0000Z 7 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 1013 61 10.8 6.2 73 4.6 8.4 20 9 282.9 283.9 281.0 299.2 5.87 1 1000 155 12.6 5.6 62 7.0 8.9 30 11 285.8 286.7 282.1 301.8 5.70 2 925 805 8.4 1.4 61 7.0 5.0 55 19 287.9 288.7 281.7 301.0 4.57 3 850 1495 2.6 -2.0 72 4.6 0.5 55 7 288.9 289.6 281.4 300.1 3.88 4 700 3029 -9.1 -12.8 74 3.7 -10.2 310 5 292.4 292.8 280.7 298.6 2.04 5 500 5580 -22.1 -36.1 27 14.0 -24.0 45 17 306.1 306.2 284.3 307.3 0.35 6 400 7180 -34.1 -38.2 66 4.1 -34.5 60 35 310.7 310.7 286.0 311.9 0.35 7 300 9130 -49.5 -60.5 26 11.0 -49.8 65 36 315.6 315.6 287.3 315.7 0.04 8 274 9718 -51.7 -62.7 26 11.0 -51.9 50 19 320.7 320.7 289.0 320.8 0.03 9 250 10310 -51.7 -70.7 9 19.0 -52.0 30 13 329.2 329.2 291.5 329.2 0.01 10 200 11760 -52.1 -79.1 2 27.0 -52.5 320 17 350.3 350.3 296.7 350.3 0.00 11 150 13620 -51.9 -83.9 1 32.0 -52.4 280 7 380.6 380.6 302.3 380.7 0.00 12 100 16220 -53.3 -85.3 1 32.0 -53.9 265 13 424.7 424.7 308.3 424.8 0.00 TRP 274 9718 -51.7 -62.7 26 11.0 -51.9 50 19 320.7 320.7 289.0 320.8 0.03 WND Sounding variables and indices 1000-500 mb thick: 5425.00 m Freezing level: 816.67 mb = 1835.89 m = 6023.18 ft Wetbulb zero: 842.39 mb = 1566.07 m = 5137.97 ft Precipitable water: 0.61 inches Sfc-500 mean rel hum: 60.28 % Est. max temperature: 16.62 C = 61.92 F Sfc-Lift cond lev (LCL): 944.74 mb = 628.93 m = 2063.40 ft T: 9.54 C 700-500 lapse rate: 5.10 C/km ThetaE index: 3.21 C Layer 925.0- 500.0 mb Conv cond level (CCL): 835.94 mb = 1626.81 m = 5337.23 ft Mean mixing ratio: 5.14 g/kg Conv temperature: 17.11 C = 62.80 F Cap Strength: 1.91 C Lifted Index: 6.01 C Risk: None Lifted Index @300 mb: 10.30 C Lifted Index @700 mb: -0.36 C Showalter Index: 6.83 C Risk: None Total Totals Index: 44.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.70 C Cross Totals Index: 20.10 C K Index: 19.00 Risk: < 20 % chance of thunderstorms Sweat Index: 31.00 Risk: None Energy Index: 1.48 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.23 J/kg Max Up Vert Vel: 4.74 m/s Conv Inhibition (B-): 70.55 J/kg Cap Strength: 5.67 C Lift Cond Lev (LCL): 867.79 mb = 1325.95 m = 4350.19 ft Lev Free Conv (LFC): 732.79 mb = 2667.28 m = 8750.82 ft Equ Level (EL): 682.79 mb = 3217.70 m = 10556.64 ft B at Equ Level: 11.13 J/kg Max Parcel Lev (MPL): 632.79 mb = 3794.27 m = 12448.25 ft Wind level data Storm motion: 67 at 8 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 1013 61 20 9 -3.1 -8.5 | 319 7 4.5 -5.2 1 1000 155 30 11 -5.5 -9.5 | 341 7 2.1 -6.3 2 925 805 55 19 -15.6 -10.9 | 46 11 -7.9 -7.7 3 850 1495 55 7 -5.7 -4.0 | 292 2 1.9 -0.8 4 700 3029 310 5 3.8 -3.2 | 270 11 11.5 0.0 5 500 5580 45 17 -12.0 -12.0 | 27 10 -4.4 -8.8 6 400 7180 60 35 -30.3 -17.5 | 58 27 -22.7 -14.3 7 300 9130 65 36 -32.6 -15.2 | 64 28 -25.0 -12.0 8 274 9718 50 19 -14.6 -12.2 | 38 11 -6.9 -9.0 9 250 10310 30 13 -6.5 -11.3 | 352 8 1.1 -8.0 10 200 11760 320 17 10.9 -13.0 | 298 21 18.6 -9.8 11 150 13620 280 7 6.9 -1.2 | 262 15 14.5 2.0 12 100 16220 265 13 13.0 1.1 | 258 21 20.6 4.4 Wind Parameters Mean winds (0-6000m): 37.0 at 11.0 knts Storm direction: 67.0 at 8.3 knts Shear (0-3000m) pos: 1.5 neg: 2.8 tot: 4.4 10-3/s Storm rel Dir Shear (0-3000m): -48.2 deg Storm rel helicity (0-3000m) pos: 24.8 neg: -15.7 tot: 9.1 m^2/s^2 ave: 3.0 10^-3 m/s^2 rel: 0.06 Storm rel vorticity (0-3000m) horiz: 6.0 stream: 0.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 29.10 Bulk Shear: 0.39 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 37 13 0 7| 9.0 0.0 9.0| 16.1 0.0 16.1 32.3 0.95| 9.1 8.7 1000 47 15 25 8| 4.5 0.0 4.5| 24.7 -1.6 23.1 23.1 0.67| 8.5 5.7 1500 49 13 24 6| 3.0 2.6 5.7| 24.7 -5.0 19.7 13.1 0.26| 8.4 2.2 2000 47 12 12 5| 2.3 2.7 5.0| 24.8 -5.6 19.2 9.6 0.22| 7.3 1.6 2500 43 11 355 4| 1.8 2.9 4.7| 24.8 -9.6 15.3 6.1 0.13| 6.6 0.9 3000 41 10 341 4| 1.5 2.8 4.4| 24.8 -15.7 9.1 3.0 0.06| 6.0 0.4 4000 28 9 325 6| 1.6 2.1 3.7| 45.8 -15.7 30.1 7.5 0.21| 5.4 1.1 5000 28 10 330 6| 2.2 1.7 3.9| 71.6 -15.7 55.9 11.2 0.35| 5.2 1.8 6000 37 11 350 6| 2.7 1.4 4.1| 95.7 -15.7 80.0 13.3 0.43| 5.3 2.3 Wrote GIF file: /home/apache/climate/data/raob//LFBD/skewt/LFBD.skewt.20250507.00.gif