UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112800.upa.cvt Date: 0000Z 28 NOV 25 Searching for LFRB... Searching the city database file for: LFRB ... Date:0000Z 28 NOV 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 1007 103 10.4 8.8 90 1.6 9.5 260 9 283.0 284.2 282.4 302.5 7.07 1 1000 150 11.6 11.3 98 0.3 11.4 265 9 284.8 286.2 284.6 308.1 8.43 2 925 798 9.4 9.4 100 0.0 9.4 235 23 288.9 290.3 285.9 311.5 8.02 3 850 1497 5.6 5.4 99 0.2 5.5 255 29 292.0 293.2 285.7 311.0 6.63 4 700 3058 -4.3 -24.3 19 20.0 -9.3 255 27 297.7 297.9 281.4 300.2 0.76 5 500 5640 -17.5 -22.4 66 4.9 -18.7 255 38 311.7 311.9 287.4 315.9 1.27 6 400 7280 -28.3 -37.3 42 9.0 -29.5 245 50 318.2 318.3 288.6 319.6 0.39 7 300 9270 -44.9 -52.9 40 8.0 -45.2 245 54 322.1 322.1 289.5 322.4 0.09 8 250 10460 -54.5 -60.5 47 6.0 -54.6 255 62 325.0 325.1 290.3 325.2 0.04 9 232 10934 -57.1 -62.8 49 5.7 -57.2 255 68 328.1 328.1 291.2 328.2 0.04 10 200 11860 -62.3 -67.3 51 5.0 -62.4 255 58 334.1 334.1 292.9 334.2 0.02 11 165 13032 -68.3 -74.3 42 6.0 -68.4 255 48 343.0 343.0 295.0 343.0 0.01 12 150 13610 -64.5 -74.5 24 10.0 -64.6 260 48 359.0 359.0 298.5 359.0 0.01 13 100 16090 -66.3 -83.3 7 17.0 -66.4 270 21 399.6 399.6 305.2 399.6 0.00 TRP 165 13032 -68.3 -74.3 42 6.0 -68.4 255 48 343.0 343.0 295.0 343.0 0.01 WND 232 10934 -57.1 -62.8 49 5.7 -57.2 255 68 328.1 328.1 291.2 328.2 0.04 Sounding variables and indices 1000-500 mb thick: 5490.00 m Freezing level: 765.15 mb = 2379.99 m = 7808.27 ft Wetbulb zero: 794.44 mb = 2040.47 m = 6694.37 ft Precipitable water: 0.83 inches Sfc-500 mean rel hum: 60.71 % Est. max temperature: 19.15 C = 66.46 F Sfc-Lift cond lev (LCL): 982.90 mb = 293.39 m = 962.56 ft T: 11.11 C 700-500 lapse rate: 5.11 C/km ThetaE index: 11.32 C Layer 850.0- 500.0 mb Conv cond level (CCL): 937.89 mb = 682.97 m = 2240.69 ft Mean mixing ratio: 8.12 g/kg Conv temperature: 15.60 C = 60.09 F Cap Strength: 0.65 C Lifted Index: 4.92 C Risk: None Lifted Index @300 mb: 8.93 C Lifted Index @700 mb: -0.10 C Showalter Index: 4.16 C Risk: None Total Totals Index: 46.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.10 C Cross Totals Index: 22.90 C K Index: 8.50 Risk: None Sweat Index: 160.80 Risk: None Energy Index: 0.91 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 20.84 J/kg Max Up Vert Vel: 6.46 m/s Conv Inhibition (B-): 30.04 J/kg Cap Strength: 4.82 C Lift Cond Lev (LCL): 953.22 mb = 548.24 m = 1798.67 ft Lev Free Conv (LFC): 728.22 mb = 2740.27 m = 8990.28 ft Equ Level (EL): 688.22 mb = 3188.27 m = 10460.07 ft B at Equ Level: 20.51 J/kg Max Parcel Lev (MPL): 618.22 mb = 4011.39 m = 13160.56 ft Wind level data Storm motion: 283 at 22 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 1007 103 260 9 8.9 1.6 | 118 14 -12.5 6.6 1 1000 150 265 9 9.0 0.8 | 115 14 -12.4 5.9 2 925 798 235 23 18.8 13.2 | 172 18 -2.5 18.3 3 850 1497 255 29 28.0 7.5 | 208 14 6.7 12.6 4 700 3058 255 27 26.1 7.0 | 201 13 4.7 12.1 5 500 5640 255 38 36.7 9.8 | 226 21 15.4 14.9 6 400 7280 245 50 45.3 21.1 | 222 36 24.0 26.2 7 300 9270 245 54 48.9 22.8 | 225 39 27.6 27.9 8 250 10460 255 62 59.9 16.0 | 241 44 38.5 21.1 9 232 10934 255 68 65.7 17.6 | 243 50 44.3 22.7 10 200 11860 255 58 56.0 15.0 | 240 40 34.7 20.1 11 165 13032 255 48 46.4 12.4 | 235 31 25.0 17.5 12 150 13610 260 48 47.3 8.3 | 243 29 25.9 13.4 13 100 16090 270 21 21.0 -0.0 | 176 5 -0.4 5.1 Wind Parameters Mean winds (0-6000m): 253.4 at 29.3 knts Storm direction: 283.4 at 21.9 knts Shear (0-3000m) pos: 1.1 neg: 2.7 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 84.1 deg Storm rel helicity (0-3000m) pos: 86.8 neg: -5.3 tot: 81.5 m^2/s^2 ave: 27.2 10^-3 m/s^2 rel: 0.72 Storm rel vorticity (0-3000m) horiz: 5.0 stream: 3.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.62 Bulk Shear: 33.61 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 ------------------------------------------------------------------------------- 500 252 13 137 13| 0.0 10.7 10.7| 31.2 0.0 31.2 62.5 0.86| 11.4 9.8 1000 242 18 158 14| 0.0 8.8 8.8| 62.6 0.0 62.6 62.6 0.79| 10.7 8.5 1500 246 21 172 14| 2.1 5.9 8.0| 86.5 -0.4 86.1 57.4 0.82| 9.4 7.7 2000 249 23 181 13| 1.6 4.3 5.9| 86.5 -2.1 84.4 42.2 0.78| 7.2 5.6 2500 250 24 186 13| 1.3 3.3 4.6| 86.5 -3.9 82.6 33.0 0.75| 5.9 4.4 3000 251 25 189 13| 1.1 2.7 3.7| 86.8 -5.3 81.5 27.2 0.72| 5.0 3.6 4000 252 26 194 13| 0.8 2.5 3.3| 98.6 -5.3 93.3 23.3 0.72| 4.3 3.1 5000 253 27 200 14| 0.6 2.4 3.1|110.3 -5.3 105.0 21.0 0.71| 3.9 2.7 6000 253 29 206 15| 0.5 2.5 3.1|116.7 -6.2 110.4 18.4 0.63| 3.8 2.4 Wrote GIF file: /home/apache/climate/data/raob//LFRB/skewt/LFRB.skewt.20251128.00.gif