UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112812.upa.cvt Date: 1200Z 28 NOV 25 Searching for LFRB... Searching the city database file for: LFRB ... Date:1200Z 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 1005 103 11.6 8.7 82 2.9 10.0 230 11 284.3 285.6 283.0 303.8 7.03 1 1000 139 12.4 10.0 85 2.4 11.0 235 11 285.5 286.9 284.2 307.0 7.72 2 925 786 6.6 5.2 91 1.4 5.9 255 23 286.1 287.1 282.5 302.9 6.00 3 850 1474 1.2 1.2 100 0.0 1.2 260 27 287.4 288.3 281.9 301.4 4.91 4 700 3034 -3.1 -20.1 26 17.0 -7.9 260 42 299.1 299.3 282.4 302.6 1.11 5 500 5600 -21.3 -38.3 20 17.0 -23.5 255 40 307.1 307.1 284.6 308.1 0.28 6 400 7200 -34.1 -48.1 23 14.0 -35.0 245 50 310.7 310.7 285.7 311.1 0.12 7 300 9150 -49.3 -61.3 23 12.0 -49.6 255 58 315.9 315.9 287.4 316.0 0.03 8 250 10320 -56.5 -67.5 24 11.0 -56.6 250 81 322.1 322.1 289.4 322.1 0.02 9 241 10553 -57.4 -68.0 25 10.6 -57.5 255 85 324.1 324.1 290.0 324.2 0.02 10 229 10876 -58.7 -68.7 26 10.0 -58.8 260 79 326.9 326.9 290.9 327.0 0.02 11 200 11730 -58.9 -76.9 8 18.0 -59.0 255 66 339.5 339.5 294.2 339.5 0.01 12 150 13540 -57.3 -87.3 1 30.0 -57.6 265 48 371.4 371.4 300.8 371.4 0.00 13 100 16050 -64.3 -92.3 1 28.0 -64.5 250 29 403.5 403.5 305.7 403.5 0.00 TRP 229 10876 -58.7 -68.7 26 10.0 -58.8 260 79 326.9 326.9 290.9 327.0 0.02 WND 241 10553 -57.4 -68.0 25 10.6 -57.5 255 85 324.1 324.1 290.0 324.2 0.02 Sounding variables and indices 1000-500 mb thick: 5461.00 m Freezing level: 808.14 mb = 1909.35 m = 6264.19 ft Wetbulb zero: 830.44 mb = 1661.01 m = 5449.44 ft Precipitable water: 0.63 inches Sfc-500 mean rel hum: 50.45 % Est. max temperature: 14.57 C = 58.23 F Sfc-Lift cond lev (LCL): 961.92 mb = 461.19 m = 1513.08 ft T: 9.51 C 700-500 lapse rate: 7.09 C/km ThetaE index: 5.65 C Layer 925.0- 700.0 mb Conv cond level (CCL): 926.90 mb = 768.93 m = 2522.71 ft Mean mixing ratio: 6.67 g/kg Conv temperature: 13.30 C = 55.95 F Cap Strength: 3.85 C Lifted Index: 4.58 C Risk: None Lifted Index @300 mb: 8.19 C Lifted Index @700 mb: 3.85 C Showalter Index: 6.69 C Risk: None Total Totals Index: 45.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.50 C Cross Totals Index: 22.50 C K Index: 6.70 Risk: None Sweat Index: 108.40 Risk: None Energy Index: 1.45 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 32.36 J/kg Max Up Vert Vel: 8.04 m/s Conv Inhibition (B-): 0.17 J/kg Cap Strength: 4.46 C Lift Cond Lev (LCL): 929.59 mb = 744.94 m = 2444.01 ft Lev Free Conv (LFC): 914.59 mb = 878.11 m = 2880.90 ft Equ Level (EL): 794.59 mb = 2015.65 m = 6612.95 ft B at Equ Level: 31.36 J/kg Max Parcel Lev (MPL): 734.59 mb = 2646.49 m = 8682.61 ft Wind level data Storm motion: 287 at 26 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 1005 103 230 11 8.4 7.1 | 132 22 -16.6 14.9 1 1000 139 235 11 9.0 6.3 | 131 21 -16.0 14.1 2 925 786 255 23 22.2 6.0 | 168 14 -2.8 13.7 3 850 1474 260 27 26.6 4.7 | 187 13 1.5 12.5 4 700 3034 260 42 41.4 7.3 | 227 22 16.3 15.1 5 500 5600 255 40 38.6 10.4 | 217 23 13.6 18.1 6 400 7200 245 50 45.3 21.1 | 215 35 20.3 28.9 7 300 9150 255 58 56.0 15.0 | 234 38 31.0 22.8 8 250 10320 250 81 76.1 27.7 | 235 62 51.1 35.5 9 241 10553 255 85 82.1 22.0 | 242 64 57.1 29.8 10 229 10876 260 79 77.8 13.7 | 248 57 52.8 21.5 11 200 11730 255 66 63.8 17.1 | 237 46 38.7 24.9 12 150 13540 265 48 47.8 4.2 | 242 26 22.8 12.0 13 100 16050 250 29 27.3 9.9 | 187 18 2.2 17.7 Wind Parameters Mean winds (0-6000m): 257.3 at 35.0 knts Storm direction: 287.3 at 26.2 knts Shear (0-3000m) pos: 3.3 neg: 2.4 tot: 5.7 10-3/s Storm rel Dir Shear (0-3000m): 95.2 deg Storm rel helicity (0-3000m) pos: 114.0 neg: 0.0 tot: 114.0 m^2/s^2 ave: 38.0 10^-3 m/s^2 rel: 0.79 Storm rel vorticity (0-3000m) horiz: 5.7 stream: 4.5 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.57 Bulk Shear: 57.05 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 ------------------------------------------------------------------------------- 500 243 15 141 19| 10.2 0.0 10.2| 38.3 0.0 38.3 76.7 0.77| 10.3 7.9 1000 251 19 153 16| 8.2 0.0 8.2| 58.8 0.0 58.8 58.8 0.81| 8.3 6.7 1500 255 21 162 14| 6.7 0.0 6.7| 70.8 0.0 70.8 47.2 0.84| 6.8 5.7 2000 256 24 171 14| 5.0 1.2 6.3| 86.1 0.0 86.1 43.1 0.84| 6.3 5.3 2500 257 26 182 14| 4.0 2.0 6.0|101.4 0.0 101.4 40.6 0.82| 6.1 5.0 3000 258 28 192 14| 3.3 2.4 5.7|114.0 0.0 114.0 38.0 0.79| 5.7 4.5 4000 258 32 203 15| 2.5 1.7 4.2|114.0 -9.5 104.5 26.1 0.71| 4.5 3.2 5000 258 34 208 17| 2.0 1.3 3.3|114.0 -18.9 95.1 19.0 0.63| 3.8 2.4 6000 257 35 210 18| 1.7 1.3 3.0|114.3 -23.7 90.6 15.1 0.54| 3.5 1.9 Wrote GIF file: /home/apache/climate/data/raob//LFRB/skewt/LFRB.skewt.20251128.12.gif