UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050212.upa.cvt Date: 1200Z 2 MAY 25 Searching for LFRB... Searching the city database file for: LFRB ... Date:1200Z 2 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 1004 103 16.2 8.2 59 8.0 11.7 35 13 289.0 290.2 284.7 308.3 6.80 1 1000 130 14.6 11.2 80 3.4 12.6 35 13 287.8 289.2 285.8 311.2 8.37 2 925 786 13.6 -2.4 33 16.0 6.1 85 7 293.2 293.8 282.8 303.4 3.46 3 850 1493 9.6 5.7 77 3.9 7.5 185 5 296.2 297.4 287.4 315.9 6.77 4 700 3077 0.0 -4.3 73 4.3 -1.9 185 19 302.5 303.2 286.9 314.6 3.97 5 500 5690 -16.7 -31.7 26 15.0 -19.5 175 31 312.7 312.8 286.9 314.6 0.54 6 400 7320 -30.1 -35.1 62 5.0 -30.7 210 33 315.9 316.0 287.9 317.6 0.48 7 300 9290 -47.3 -51.0 66 3.7 -47.4 200 46 318.7 318.7 288.5 319.1 0.12 8 258 10269 -53.9 -60.3 45 6.4 -54.1 215 60 323.0 323.0 289.7 323.2 0.04 9 250 10470 -55.3 -62.3 41 7.0 -55.4 230 48 323.9 323.9 290.0 324.0 0.04 10 207 11657 -62.9 -68.9 44 6.0 -63.0 195 17 329.9 329.9 291.7 330.0 0.02 11 200 11870 -62.1 -70.1 34 8.0 -62.2 170 31 334.4 334.4 292.9 334.5 0.02 12 150 13680 -53.7 -76.7 4 23.0 -54.1 205 17 377.5 377.6 301.9 377.6 0.01 13 100 16250 -56.3 -87.3 1 31.0 -56.8 70 3 418.9 418.9 307.6 419.0 0.00 TRP 207 11657 -62.9 -68.9 44 6.0 -63.0 195 17 329.9 329.9 291.7 330.0 0.02 WND 258 10269 -53.9 -60.3 45 6.4 -54.1 215 60 323.0 323.0 289.7 323.2 0.04 Sounding variables and indices 1000-500 mb thick: 5560.00 m Freezing level: 700.00 mb = 3077.00 m = 10095.02 ft Wetbulb zero: 730.62 mb = 2727.70 m = 8949.04 ft Precipitable water: 0.88 inches Sfc-500 mean rel hum: 58.00 % Est. max temperature: 23.23 C = 73.81 F Sfc-Lift cond lev (LCL): 890.59 mb = 1102.92 m = 3618.47 ft T: 11.81 C 700-500 lapse rate: 6.39 C/km ThetaE index: 7.76 C Layer 925.0- 850.0 mb Conv cond level (CCL): 702.20 mb = 3051.43 m = 10011.13 ft Mean mixing ratio: 5.52 g/kg Conv temperature: 29.58 C = 85.24 F Cap Strength: 5.75 C Lifted Index: 7.54 C Risk: None Lifted Index @300 mb: 8.46 C Lifted Index @700 mb: 5.63 C Showalter Index: 1.97 C Risk: Showers probable Total Totals Index: 48.70 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.30 C Cross Totals Index: 22.40 C K Index: 27.70 Risk: 40-60 % chance of thunderstorms Sweat Index: 109.40 Risk: None Energy Index: -0.26 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 16.60 J/kg Max Up Vert Vel: 5.76 m/s Conv Inhibition (B-): 10827.92 J/kg Cap Strength: 7.44 C Lift Cond Lev (LCL): 825.55 mb = 1731.14 m = 5679.52 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 206 at 14 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 1004 103 35 13 -7.5 -10.6 | 30 27 -13.5 -23.0 1 1000 130 35 13 -7.5 -10.6 | 30 27 -13.5 -23.0 2 925 786 85 7 -7.0 -0.6 | 45 18 -13.0 -13.0 3 850 1493 185 5 0.4 5.0 | 37 9 -5.6 -7.4 4 700 3077 185 19 1.7 18.9 | 147 8 -4.3 6.6 5 500 5690 175 31 -2.7 30.9 | 155 20 -8.7 18.5 6 400 7320 210 33 16.5 28.6 | 213 19 10.5 16.2 7 300 9290 200 46 15.7 43.2 | 197 32 9.7 30.9 8 258 10269 215 60 34.4 49.1 | 218 47 28.4 36.8 9 250 10470 230 48 36.8 30.9 | 239 36 30.8 18.5 10 207 11657 195 17 4.4 16.4 | 159 4 -1.6 4.1 11 200 11870 170 31 -5.4 30.5 | 148 21 -11.4 18.2 12 150 13680 205 17 7.2 15.4 | 201 3 1.2 3.1 13 100 16250 70 3 -2.8 -1.0 | 33 16 -8.8 -13.4 Wind Parameters Mean winds (0-6000m): 175.9 at 18.3 knts Storm direction: 205.9 at 13.7 knts Shear (0-3000m) pos: 3.2 neg: 2.3 tot: 5.4 10-3/s Storm rel Dir Shear (0-3000m): 116.6 deg Storm rel helicity (0-3000m) pos: 64.7 neg: -7.1 tot: 57.6 m^2/s^2 ave: 19.2 10^-3 m/s^2 rel: 0.47 Storm rel vorticity (0-3000m) horiz: 6.0 stream: 2.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.18 Bulk Shear: 92.82 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 48 11 36 24| 8.1 0.0 8.1| 34.6 0.0 34.6 69.2 0.67| 8.3 5.5 1000 63 9 40 22| 7.6 0.0 7.6| 46.6 0.0 46.6 46.6 0.51| 8.1 4.1 1500 75 8 43 20| 6.3 0.0 6.3| 47.7 -7.1 40.6 27.1 0.27| 7.6 2.0 2000 106 8 53 17| 4.7 1.1 5.9| 53.5 -7.1 46.4 23.2 0.34| 6.8 2.4 2500 143 9 65 12| 3.8 1.8 5.6| 59.2 -7.1 52.1 20.8 0.43| 6.4 2.8 3000 162 10 74 9| 3.2 2.3 5.4| 64.7 -7.1 57.6 19.2 0.47| 6.0 2.9 4000 173 13 94 8| 2.4 2.3 4.7| 67.9 -7.1 60.8 15.2 0.45| 5.2 2.3 5000 175 16 115 8| 1.9 2.3 4.2| 69.0 -7.1 61.9 12.4 0.40| 4.6 1.9 6000 176 18 129 9| 1.9 2.1 4.0| 94.0 -7.5 86.4 14.4 0.43| 4.5 2.0 Wrote GIF file: /home/apache/climate/data/raob//LFRB/skewt/LFRB.skewt.20250502.12.gif