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 LFBD... Searching the city database file for: LFBD ... Date:0000Z 28 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 1020 61 6.4 4.6 88 1.8 5.5 220 5 278.0 278.9 277.7 292.2 5.21 1 1000 210 8.8 4.3 73 4.5 6.6 225 13 282.0 282.8 279.7 296.4 5.20 2 925 852 6.4 4.7 89 1.7 5.5 295 7 285.9 286.9 282.2 302.1 5.79 3 850 1541 2.6 2.5 99 0.1 2.5 310 11 288.9 289.8 283.1 304.2 5.39 4 700 3097 -2.7 -5.7 80 3.0 -4.0 5 15 299.5 300.1 285.4 310.3 3.57 5 500 5690 -16.3 -18.4 84 2.1 -16.9 350 23 313.2 313.5 288.4 319.1 1.79 6 400 7330 -26.9 -31.4 66 4.5 -27.6 5 29 320.0 320.2 289.5 322.5 0.69 7 300 9340 -43.7 -48.7 58 5.0 -44.0 355 38 323.8 323.8 290.1 324.4 0.15 8 250 10540 -53.5 -58.1 57 4.6 -53.6 345 38 326.5 326.5 290.8 326.8 0.06 9 200 11930 -64.5 -68.8 55 4.3 -64.6 345 29 330.6 330.6 291.9 330.7 0.02 10 184 12435 -67.7 -71.4 59 3.7 -67.7 340 33 333.4 333.4 292.6 333.5 0.01 11 150 13670 -65.7 -75.7 24 10.0 -65.8 345 31 356.9 356.9 298.1 356.9 0.01 12 100 16140 -64.7 -85.7 4 21.0 -64.8 350 23 402.7 402.7 305.6 402.7 0.00 TRP 184 12435 -67.7 -71.4 59 3.7 -67.7 340 33 333.4 333.4 292.6 333.5 0.01 WND Sounding variables and indices 1000-500 mb thick: 5480.00 m Freezing level: 776.42 mb = 2304.32 m = 7560.02 ft Wetbulb zero: 791.44 mb = 2113.11 m = 6932.69 ft Precipitable water: 0.93 inches Sfc-500 mean rel hum: 85.26 % Est. max temperature: 16.53 C = 61.75 F Sfc-Lift cond lev (LCL): 992.19 mb = 274.53 m = 900.67 ft T: 8.56 C 700-500 lapse rate: 5.24 C/km ThetaE index: 0.00 C Layer 1020.0- -0.0 mb Conv cond level (CCL): 851.46 mb = 1526.97 m = 5009.68 ft Mean mixing ratio: 5.46 g/kg Conv temperature: 17.30 C = 63.14 F Cap Strength: 7.65 C Lifted Index: 13.74 C Risk: None Lifted Index @300 mb: 18.04 C Lifted Index @700 mb: 7.65 C Showalter Index: 9.75 C Risk: None Total Totals Index: 37.70 C Risk: None Vertical Totals Index: 18.90 C Cross Totals Index: 18.80 C K Index: 18.40 Risk: < 20 % chance of thunderstorms Sweat Index: 75.00 Risk: None Energy Index: 2.99 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.20 J/kg Max Up Vert Vel: 5.87 m/s Conv Inhibition (B-): 12602.66 J/kg Cap Strength: 13.55 C Lift Cond Lev (LCL): 924.89 mb = 852.97 m = 2798.43 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 15 at 12 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 1020 61 220 5 3.2 3.8 | 202 16 6.1 15.0 1 1000 210 225 13 9.2 9.2 | 211 24 12.1 20.4 2 925 852 295 7 6.3 -3.0 | 228 12 9.3 8.3 3 850 1541 310 11 8.4 -7.1 | 250 12 11.3 4.1 4 700 3097 5 15 -1.3 -14.9 | 337 4 1.6 -3.7 5 500 5690 350 23 4.0 -22.7 | 329 13 6.9 -11.4 6 400 7330 5 29 -2.5 -28.9 | 359 18 0.4 -17.7 7 300 9340 355 38 3.3 -37.9 | 347 27 6.2 -26.6 8 250 10540 345 38 9.8 -36.7 | 333 28 12.7 -25.5 9 200 11930 345 29 7.5 -28.0 | 328 20 10.4 -16.8 10 184 12435 340 33 11.3 -31.0 | 324 24 14.2 -19.8 11 150 13670 345 31 8.0 -29.9 | 330 22 10.9 -18.7 12 100 16140 350 23 4.0 -22.7 | 329 13 6.9 -11.4 Wind Parameters Mean winds (0-6000m): 344.5 at 15.5 knts Storm direction: 14.5 at 11.6 knts Shear (0-3000m) pos: 3.3 neg: 0.0 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 129.9 deg Storm rel helicity (0-3000m) pos: 83.8 neg: -0.2 tot: 83.6 m^2/s^2 ave: 27.9 10^-3 m/s^2 rel: 0.63 Storm rel vorticity (0-3000m) horiz: 6.4 stream: 4.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.29 Bulk Shear: 60.05 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 ------------------------------------------------------------------------------- 500 236 11 214 21| 7.2 0.0 7.2| 44.9 0.0 44.9 89.8 0.56| 15.3 8.6 1000 252 9 220 18| 4.5 0.0 4.5| 53.2 -0.2 52.9 52.9 0.49| 11.1 5.4 1500 273 9 229 16| 4.2 0.0 4.2| 64.1 -0.2 63.9 42.6 0.56| 8.6 4.8 2000 288 10 237 15| 3.8 0.0 3.8| 72.2 -0.2 71.9 36.0 0.58| 7.4 4.3 2500 302 11 245 13| 3.5 0.0 3.5| 78.6 -0.2 78.3 31.3 0.60| 6.8 4.1 3000 316 11 254 11| 3.3 0.0 3.3| 83.8 -0.2 83.6 27.9 0.63| 6.4 4.1 4000 334 12 270 8| 2.5 0.4 2.9| 84.2 -0.5 83.7 20.9 0.58| 5.3 3.1 5000 342 14 285 8| 2.0 0.7 2.7| 84.2 -2.1 82.2 16.4 0.52| 4.6 2.4 6000 345 15 298 8| 1.8 0.7 2.6| 90.6 -3.9 86.7 14.4 0.50| 4.2 2.1 Wrote GIF file: /home/apache/climate/data/raob//LFBD/skewt/LFBD.skewt.20251128.00.gif