UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112712.upa.cvt Date: 1200Z 27 NOV 25 Searching for LFBD... Searching the city database file for: LFBD ... Date:1200Z 27 NOV 25 Station: LFBD WMO ident: 7510 Latitude: 44.83 Longitude: -0.70 Elevation: 61.00 ------------------------------------------------------------------------------- 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 1021 61 9.4 4.4 71 5.0 6.9 140 5 280.9 281.8 279.1 295.0 5.13 1 1000 218 6.4 1.4 70 5.0 4.1 165 7 279.5 280.3 277.3 291.2 4.23 2 925 857 4.0 1.8 86 2.2 2.9 340 9 283.4 284.2 279.8 296.6 4.71 3 850 1540 1.2 -2.0 79 3.2 -0.2 5 7 287.4 288.1 280.7 298.5 3.88 4 700 3092 -3.7 -7.7 74 4.0 -5.3 25 19 298.4 298.9 284.4 307.7 3.06 5 500 5680 -16.9 -28.9 35 12.0 -19.3 20 36 312.4 312.6 287.1 314.8 0.70 6 400 7320 -28.3 -38.3 38 10.0 -29.5 10 46 318.2 318.3 288.6 319.5 0.35 7 300 9310 -43.7 -53.7 32 10.0 -44.2 15 60 323.8 323.8 290.0 324.1 0.09 8 250 10510 -53.3 -63.3 29 10.0 -53.5 15 62 326.8 326.8 290.9 326.9 0.03 9 200 11900 -64.3 -71.3 38 7.0 -64.4 15 66 330.9 330.9 292.0 331.0 0.01 10 178 12607 -68.7 -74.7 42 6.0 -68.7 15 56 334.9 334.9 293.0 335.0 0.01 11 150 13640 -66.3 -80.3 12 14.0 -66.4 5 46 355.9 355.9 297.9 355.9 0.00 12 100 16110 -66.3 -94.3 1 28.0 -66.4 345 33 399.6 399.6 305.2 399.6 0.00 TRP 178 12607 -68.7 -74.7 42 6.0 -68.7 15 56 334.9 334.9 293.0 335.0 0.01 WND Sounding variables and indices 1000-500 mb thick: 5462.00 m Freezing level: 813.27 mb = 1920.08 m = 6299.40 ft Wetbulb zero: 855.09 mb = 1491.81 m = 4894.31 ft Precipitable water: 0.69 inches Sfc-500 mean rel hum: 66.63 % Est. max temperature: 14.80 C = 58.64 F Sfc-Lift cond lev (LCL): 946.14 mb = 671.77 m = 2203.94 ft T: 4.70 C 700-500 lapse rate: 5.10 C/km ThetaE index: 3.80 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 769.73 mb = 2332.97 m = 7654.01 ft Mean mixing ratio: 4.52 g/kg Conv temperature: 21.57 C = 70.82 F Cap Strength: 9.41 C Lifted Index: 16.48 C Risk: None Lifted Index @300 mb: 21.26 C Lifted Index @700 mb: 9.41 C Showalter Index: 13.08 C Risk: None Total Totals Index: 33.00 C Risk: None Vertical Totals Index: 18.10 C Cross Totals Index: 14.90 C K Index: 12.10 Risk: None Sweat Index: 50.00 Risk: None Energy Index: 3.41 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.99 J/kg Max Up Vert Vel: 3.46 m/s Conv Inhibition (B-): 14038.22 J/kg Cap Strength: 16.25 C Lift Cond Lev (LCL): 914.59 mb = 948.41 m = 3111.53 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 50 at 15 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 1021 61 140 5 -3.2 3.8 | 211 16 8.0 13.4 1 1000 218 165 7 -1.8 6.8 | 210 19 9.4 16.3 2 925 857 340 9 3.1 -8.5 | 266 14 14.3 1.1 3 850 1540 5 7 -0.6 -7.0 | 256 11 10.6 2.6 4 700 3092 25 19 -8.0 -17.2 | 337 8 3.2 -7.7 5 500 5680 20 36 -12.3 -33.8 | 3 24 -1.1 -24.3 6 400 7320 10 46 -8.0 -45.3 | 355 36 3.3 -35.8 7 300 9310 15 60 -15.5 -58.0 | 5 49 -4.3 -48.4 8 250 10510 15 62 -16.0 -59.9 | 5 51 -4.8 -50.3 9 200 11900 15 66 -17.1 -63.8 | 6 55 -5.8 -54.2 10 178 12607 15 56 -14.5 -54.1 | 4 45 -3.3 -44.6 11 150 13640 5 46 -4.0 -45.8 | 349 37 7.2 -36.3 12 100 16110 345 33 8.5 -31.9 | 318 30 19.8 -22.3 Wind Parameters Mean winds (0-6000m): 19.7 at 19.7 knts Storm direction: 49.7 at 14.7 knts Shear (0-3000m) pos: 3.7 neg: 0.0 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 124.5 deg Storm rel helicity (0-3000m) pos: 135.5 neg: -7.6 tot: 127.9 m^2/s^2 ave: 42.6 10^-3 m/s^2 rel: 0.67 Storm rel vorticity (0-3000m) horiz: 7.5 stream: 5.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.06 Bulk Shear: 94.03 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 ------------------------------------------------------------------------------- 500 195 7 219 21| 11.7 0.0 11.7| 64.2 -1.7 62.5 125.0 0.71| 15.9 11.3 1000 340 8 261 14| 6.7 0.0 6.7|108.0 -3.0 105.0 105.0 0.67| 14.8 9.9 1500 351 8 261 13| 3.9 0.0 3.9|108.0 -7.6 100.5 67.0 0.56| 10.8 6.1 2000 359 8 263 11| 3.8 0.0 3.8|117.4 -7.6 109.9 54.9 0.60| 9.1 5.5 2500 7 9 267 10| 3.7 0.0 3.7|126.4 -7.6 118.8 47.5 0.64| 8.1 5.2 3000 14 10 274 9| 3.7 0.0 3.7|135.5 -7.6 127.9 42.6 0.67| 7.5 5.1 4000 18 13 293 8| 2.8 0.9 3.6|145.1 -7.6 137.5 34.4 0.65| 6.5 4.3 5000 20 16 316 8| 2.2 1.4 3.6|152.9 -7.6 145.4 29.1 0.61| 5.9 3.6 6000 20 20 333 10| 1.8 1.7 3.5|156.6 -12.6 144.0 24.0 0.54| 5.5 3.0 Wrote GIF file: /home/apache/climate/data/raob//LFBD/skewt/LFBD.skewt.20251127.12.gif