UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050412.upa.cvt Date: 1200Z 4 MAY 25 Searching for LFRB... Searching the city database file for: LFRB ... Date:1200Z 4 MAY 25 Station: LFRB WMO ident: 7110 Latitude: 48.45 Longitude: -4.42 Elevation: 103.00 ------------------------------------------------------------------------------- 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 1003 103 14.6 6.6 59 8.0 10.3 45 17 287.5 288.6 283.3 304.7 6.10 1 1000 122 13.6 8.8 73 4.8 10.9 45 17 286.8 288.0 284.1 306.7 7.12 2 925 770 7.0 5.5 90 1.5 6.2 65 25 286.5 287.5 282.8 303.7 6.13 3 850 1463 6.4 -16.6 17 23.0 -1.2 60 7 292.9 293.1 279.8 296.6 1.23 4 700 3025 -2.9 -31.9 9 29.0 -9.1 355 15 299.3 299.3 281.5 300.5 0.38 5 500 5620 -17.9 -32.9 26 15.0 -20.5 25 17 311.2 311.3 286.4 312.9 0.48 6 400 7240 -31.3 -51.3 12 20.0 -32.7 20 27 314.3 314.3 286.9 314.6 0.08 7 300 9210 -48.1 -60.1 24 12.0 -48.4 15 29 317.6 317.6 288.0 317.7 0.04 8 250 10380 -56.3 -64.3 36 8.0 -56.4 355 35 322.4 322.4 289.5 322.5 0.03 9 222 11132 -59.1 -67.1 35 8.0 -59.2 345 33 329.2 329.2 291.5 329.3 0.02 10 200 11790 -58.1 -72.1 15 14.0 -58.3 350 15 340.8 340.8 294.5 340.8 0.01 11 150 13610 -55.9 -86.9 1 31.0 -56.2 350 11 373.8 373.8 301.2 373.8 0.00 12 100 16200 -54.7 -85.7 1 31.0 -55.2 320 11 422.0 422.0 308.0 422.1 0.00 TRP 222 11132 -59.1 -67.1 35 8.0 -59.2 345 33 329.2 329.2 291.5 329.3 0.02 WND Sounding variables and indices 1000-500 mb thick: 5498.00 m Freezing level: 746.77 mb = 2537.93 m = 8326.42 ft Wetbulb zero: 861.70 mb = 1350.92 m = 4432.11 ft Precipitable water: 0.41 inches Sfc-500 mean rel hum: 27.85 % Est. max temperature: 19.68 C = 67.43 F Sfc-Lift cond lev (LCL): 889.25 mb = 1093.02 m = 3585.97 ft T: 6.72 C 700-500 lapse rate: 5.78 C/km ThetaE index: 10.03 C Layer 925.0- 700.0 mb Conv cond level (CCL): 805.47 mb = 1895.92 m = 6220.14 ft Mean mixing ratio: 6.26 g/kg Conv temperature: 21.76 C = 71.16 F Cap Strength: 4.08 C Lifted Index: 8.04 C Risk: None Lifted Index @300 mb: 9.48 C Lifted Index @700 mb: 4.08 C Showalter Index: 13.43 C Risk: None Total Totals Index: 25.60 C Risk: None Vertical Totals Index: 24.30 C Cross Totals Index: 1.30 C K Index: -21.30 Risk: None Sweat Index: 31.00 Risk: None Energy Index: 3.42 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.15 J/kg Max Up Vert Vel: 2.88 m/s Conv Inhibition (B-): 11609.32 J/kg Cap Strength: 7.91 C Lift Cond Lev (LCL): 903.89 mb = 959.25 m = 3147.11 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 56 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 1003 103 45 17 -12.0 -12.0 | 24 6 -2.5 -5.5 1 1000 122 45 17 -12.0 -12.0 | 24 6 -2.5 -5.5 2 925 770 65 25 -22.7 -10.6 | 73 14 -13.1 -4.0 3 850 1463 60 7 -6.1 -3.5 | 229 5 3.5 3.0 4 700 3025 355 15 1.3 -14.9 | 308 14 10.9 -8.4 5 500 5620 25 17 -7.2 -15.4 | 345 9 2.4 -8.9 6 400 7240 20 27 -9.2 -25.4 | 359 19 0.3 -18.8 7 300 9210 15 29 -7.5 -28.0 | 355 22 2.0 -21.5 8 250 10380 355 35 3.1 -34.9 | 336 31 12.6 -28.3 9 222 11132 345 33 8.5 -31.9 | 324 31 18.1 -25.3 10 200 11790 350 15 2.6 -14.8 | 304 15 12.2 -8.2 11 150 13610 350 11 1.9 -10.8 | 291 12 11.5 -4.3 12 100 16200 320 11 7.1 -8.4 | 276 17 16.6 -1.9 Wind Parameters Mean winds (0-6000m): 25.6 at 15.4 knts Storm direction: 55.6 at 11.6 knts Shear (0-3000m) pos: 0.9 neg: 3.0 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): -75.7 deg Storm rel helicity (0-3000m) pos: 30.0 neg: -2.2 tot: 27.8 m^2/s^2 ave: 9.3 10^-3 m/s^2 rel: 0.46 Storm rel vorticity (0-3000m) horiz: 7.3 stream: 3.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.35 Bulk Shear: 11.76 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 53 20 50 8| 8.1 0.0 8.1| 12.7 0.0 12.7 25.4 0.72| 8.1 5.9 1000 59 21 63 9| 2.6 0.0 2.6| 20.5 0.0 20.5 20.5 0.46| 9.4 4.3 1500 60 17 68 6| 1.8 3.0 4.8| 24.0 0.0 24.0 16.0 0.52| 9.9 5.1 2000 57 15 62 4| 1.3 2.3 3.6| 27.5 0.0 27.5 13.7 0.57| 8.5 4.8 2500 51 15 33 3| 1.1 2.6 3.7| 29.6 0.0 29.6 11.8 0.53| 7.8 4.1 3000 42 14 0 4| 0.9 3.0 3.8| 30.0 -2.2 27.8 9.3 0.46| 7.3 3.3 4000 31 15 341 6| 0.9 2.2 3.1| 39.0 -2.2 36.8 9.2 0.48| 5.9 2.8 5000 26 15 337 7| 1.0 1.8 2.8| 47.2 -2.2 45.0 9.0 0.51| 5.0 2.6 6000 26 15 339 8| 1.0 1.5 2.5| 54.9 -2.2 52.6 8.8 0.52| 4.6 2.4 Wrote GIF file: /home/apache/climate/data/raob//LFRB/skewt/LFRB.skewt.20250504.12.gif