UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025051000.upa.cvt Date: 0000Z 10 MAY 25 Searching for LFRB... Searching the city database file for: LFRB ... Date:0000Z 10 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 11.8 2.8 54 9.0 7.3 55 13 284.6 285.4 280.3 297.7 4.66 1 1000 131 12.2 4.2 58 8.0 8.1 60 15 285.4 286.2 281.3 299.9 5.17 2 925 784 11.0 2.0 54 9.0 6.5 90 23 290.6 291.4 283.1 304.3 4.78 3 850 1481 4.8 0.5 74 4.3 2.7 110 21 291.2 292.0 283.2 304.7 4.67 4 700 3028 -7.1 -8.1 93 1.0 -7.5 120 19 294.6 295.2 282.8 303.5 2.96 5 500 5560 -23.5 -28.5 63 5.0 -24.4 120 23 304.4 304.5 284.1 306.8 0.73 6 400 7160 -36.3 -42.3 54 6.0 -36.8 110 29 307.8 307.9 284.8 308.6 0.23 7 300 9080 -52.5 -57.5 55 5.0 -52.6 105 38 311.3 311.4 285.9 311.6 0.05 8 299 9102 -52.5 -57.5 55 5.0 -52.6 105 38 311.6 311.7 286.0 311.9 0.05 9 250 10260 -50.9 -70.9 8 20.0 -51.2 105 29 330.4 330.4 291.8 330.4 0.01 10 200 11720 -50.7 -77.7 3 27.0 -51.1 95 17 352.5 352.5 297.2 352.5 0.00 11 150 13580 -53.5 -84.5 1 31.0 -53.9 110 11 377.9 377.9 301.9 377.9 0.00 12 100 16170 -56.3 -87.3 1 31.0 -56.8 245 11 418.9 418.9 307.6 419.0 0.00 TRP 299 9102 -52.5 -57.5 55 5.0 -52.6 105 38 311.6 311.7 286.0 311.9 0.05 WND Sounding variables and indices 1000-500 mb thick: 5429.00 m Freezing level: 789.50 mb = 2105.00 m = 6906.08 ft Wetbulb zero: 809.74 mb = 1867.64 m = 6127.34 ft Precipitable water: 0.70 inches Sfc-500 mean rel hum: 75.09 % Est. max temperature: 18.33 C = 64.99 F Sfc-Lift cond lev (LCL): 875.88 mb = 1233.81 m = 4047.88 ft T: 7.00 C 700-500 lapse rate: 6.48 C/km ThetaE index: 1.19 C Layer 700.0- 500.0 mb Conv cond level (CCL): 788.33 mb = 2081.13 m = 6827.77 ft Mean mixing ratio: 4.92 g/kg Conv temperature: 19.76 C = 67.56 F Cap Strength: 2.88 C Lifted Index: 3.73 C Risk: None Lifted Index @300 mb: 6.43 C Lifted Index @700 mb: 0.91 C Showalter Index: 2.26 C Risk: Showers probable Total Totals Index: 52.30 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.30 C Cross Totals Index: 24.00 C K Index: 27.80 Risk: 40-60 % chance of thunderstorms Sweat Index: 137.00 Risk: None Energy Index: 0.36 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.55 J/kg Max Up Vert Vel: 5.40 m/s Conv Inhibition (B-): 11365.73 J/kg Cap Strength: 3.57 C Lift Cond Lev (LCL): 837.47 mb = 1599.37 m = 5247.22 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 142 at 16 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 55 13 -10.6 -7.5 | 3 20 -1.1 -19.9 1 1000 131 60 15 -13.0 -7.5 | 10 20 -3.4 -19.9 2 925 784 90 23 -23.0 0.0 | 47 18 -13.4 -12.4 3 850 1481 110 21 -19.7 7.2 | 63 11 -10.2 -5.2 4 700 3028 120 19 -16.5 9.5 | 67 7 -6.9 -2.9 5 500 5560 120 23 -19.9 11.5 | 85 10 -10.4 -0.9 6 400 7160 110 29 -27.3 9.9 | 82 18 -17.7 -2.5 7 300 9080 105 38 -36.7 9.8 | 85 27 -27.1 -2.6 8 299 9102 105 38 -36.7 9.8 | 85 27 -27.1 -2.6 9 250 10260 105 29 -28.0 7.5 | 75 19 -18.5 -4.9 10 200 11720 95 17 -16.9 1.5 | 34 13 -7.4 -10.9 11 150 13580 110 11 -10.3 3.8 | 5 9 -0.8 -8.7 12 100 16170 245 11 10.0 4.6 | 292 21 19.5 -7.8 Wind Parameters Mean winds (0-6000m): 112.4 at 20.9 knts Storm direction: 142.4 at 15.7 knts Shear (0-3000m) pos: 3.1 neg: 0.0 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 64.6 deg Storm rel helicity (0-3000m) pos: 94.4 neg: 0.0 tot: 94.4 m^2/s^2 ave: 31.5 10^-3 m/s^2 rel: 0.73 Storm rel vorticity (0-3000m) horiz: 4.6 stream: 3.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.58 Bulk Shear: 24.88 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 72 18 22 19| 11.2 0.0 11.2| 57.8 0.0 57.8 115.7 0.99| 11.5 11.4 1000 84 20 35 18| 8.0 0.0 8.0| 85.2 0.0 85.2 85.2 0.90| 9.6 8.7 1500 91 20 42 16| 5.9 0.0 5.9| 92.6 0.0 92.6 61.7 0.82| 8.0 6.5 2000 97 20 47 15| 4.5 0.0 4.5| 93.4 0.0 93.4 46.7 0.78| 6.3 5.0 2500 101 20 50 14| 3.6 0.0 3.6| 93.9 0.0 93.9 37.6 0.75| 5.3 4.0 3000 104 20 53 13| 3.1 0.0 3.1| 94.4 0.0 94.4 31.5 0.73| 4.6 3.4 4000 108 20 57 11| 2.3 0.2 2.5| 96.9 0.0 96.9 24.2 0.73| 3.7 2.7 5000 111 20 61 11| 1.9 0.3 2.2| 99.4 0.0 99.4 19.9 0.73| 3.1 2.3 6000 112 21 65 11| 1.5 0.5 2.1|100.6 -0.2 100.3 16.7 0.67| 2.9 1.9 Wrote GIF file: /home/apache/climate/data/raob//LFRB/skewt/LFRB.skewt.20250510.00.gif