UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120600.upa.cvt Date: 0000Z 6 DEC 25 Searching for LFBD... Searching the city database file for: LFBD ... Date:0000Z 6 DEC 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 1005 61 11.4 11.1 98 0.3 11.2 225 15 284.1 285.6 284.2 307.0 8.28 1 1000 91 11.8 11.4 97 0.4 11.6 220 15 285.0 286.4 284.7 308.4 8.49 2 925 742 10.4 10.0 97 0.4 10.2 260 52 289.9 291.4 286.6 313.6 8.36 3 850 1444 7.2 6.8 97 0.4 7.0 270 50 293.7 295.0 287.0 314.7 7.31 4 700 3009 -1.7 -22.7 18 21.0 -7.5 280 42 300.6 300.8 282.8 303.5 0.88 5 500 5600 -18.9 -27.9 45 9.0 -20.7 280 64 310.0 310.1 286.2 312.6 0.77 6 400 7230 -29.9 -45.9 20 16.0 -31.3 285 62 316.1 316.2 287.6 316.7 0.16 7 300 9200 -46.9 -62.9 14 16.0 -47.3 285 75 319.3 319.3 288.5 319.4 0.03 8 250 10380 -55.1 -63.1 36 8.0 -55.2 280 95 324.1 324.2 290.0 324.3 0.03 9 200 11790 -62.7 -71.7 29 9.0 -62.8 280 110 333.5 333.5 292.7 333.5 0.01 10 199 11821 -62.8 -71.9 29 9.0 -62.9 280 110 333.7 333.7 292.7 333.8 0.01 11 159 13180 -68.7 -78.7 22 10.0 -68.8 290 77 345.9 345.9 295.7 346.0 0.01 12 150 13530 -66.7 -76.7 23 10.0 -66.8 285 81 355.2 355.2 297.7 355.2 0.01 13 100 16000 -67.5 -86.5 5 19.0 -67.6 295 42 397.3 397.3 304.8 397.3 0.00 TRP 159 13180 -68.7 -78.7 22 10.0 -68.8 290 77 345.9 345.9 295.7 346.0 0.01 WND 199 11821 -62.8 -71.9 29 9.0 -62.9 280 110 333.7 333.7 292.7 333.8 0.01 Sounding variables and indices 1000-500 mb thick: 5509.00 m Freezing level: 728.65 mb = 2710.07 m = 8891.19 ft Wetbulb zero: 777.53 mb = 2162.33 m = 7094.17 ft Precipitable water: 0.83 inches Sfc-500 mean rel hum: 54.69 % Est. max temperature: 20.70 C = 69.25 F Sfc-Lift cond lev (LCL): 1000.55 mb = 87.72 m = 287.79 ft T: 11.76 C 700-500 lapse rate: 6.64 C/km ThetaE index: 11.28 C Layer 700.0- 500.0 mb Conv cond level (CCL): 910.35 mb = 874.53 m = 2869.15 ft Mean mixing ratio: 8.38 g/kg Conv temperature: 17.92 C = 64.25 F Cap Strength: 1.74 C Lifted Index: 2.53 C Risk: None Lifted Index @300 mb: 5.81 C Lifted Index @700 mb: 1.74 C Showalter Index: 0.50 C Risk: Thunderstorms probable Total Totals Index: 51.80 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.10 C Cross Totals Index: 25.70 C K Index: 11.90 Risk: None Sweat Index: 301.60 Risk: Showers and thunderstorms possible Energy Index: -0.49 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 23.11 J/kg Max Up Vert Vel: 6.80 m/s Conv Inhibition (B-): 6789.87 J/kg Cap Strength: 2.42 C Lift Cond Lev (LCL): 947.94 mb = 537.46 m = 1763.29 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 305 at 37 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 61 225 15 10.6 10.6 | 148 38 -19.8 32.0 1 1000 91 220 15 9.6 11.5 | 148 39 -20.8 32.8 2 925 742 260 52 51.2 9.0 | 214 37 20.8 30.4 3 850 1444 270 50 50.0 -0.0 | 223 29 19.6 21.3 4 700 3009 280 42 41.4 -7.3 | 218 18 10.9 14.1 5 500 5600 280 64 63.0 -11.1 | 253 34 32.6 10.2 6 400 7230 285 62 59.9 -16.0 | 260 30 29.5 5.3 7 300 9200 285 75 72.4 -19.4 | 267 42 42.0 1.9 8 250 10380 280 95 93.6 -16.5 | 266 63 63.1 4.8 9 200 11790 280 110 108.3 -19.1 | 268 78 77.9 2.2 10 199 11821 280 110 108.3 -19.1 | 268 78 77.9 2.2 11 159 13180 290 77 72.4 -26.3 | 277 42 41.9 -5.0 12 150 13530 285 81 78.2 -21.0 | 270 48 47.8 0.4 13 100 16000 295 42 38.1 -17.7 | 245 8 7.6 3.6 Wind Parameters Mean winds (0-6000m): 275.1 at 49.5 knts Storm direction: 305.1 at 37.2 knts Shear (0-3000m) pos: 6.2 neg: 0.0 tot: 6.2 10-3/s Storm rel Dir Shear (0-3000m): 71.0 deg Storm rel helicity (0-3000m) pos: 477.8 neg: -9.0 tot: 468.8 m^2/s^2 ave: 156.3 10^-3 m/s^2 rel: 0.73 Storm rel vorticity (0-3000m) horiz: 11.0 stream: 8.1 10^-3/s Energy-Hel index: 0.07 Bulk Rich Number: 0.18 Bulk Shear: 128.79 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 ------------------------------------------------------------------------------- 500 240 27 169 35| 29.5 0.0 29.5|302.5 0.0 302.5 605.1 0.99| 31.2 30.9 1000 256 38 192 32| 20.9 0.0 20.9|456.1 0.0 456.1 456.1 0.95| 24.7 23.6 1500 260 42 202 31| 13.9 0.0 13.9|476.5 -0.1 476.4 317.6 0.90| 18.5 16.6 2000 264 44 207 29| 9.9 0.0 9.9|476.5 -1.7 474.8 237.4 0.84| 14.8 12.4 2500 266 44 209 28| 7.6 0.0 7.6|476.5 -5.1 471.4 188.6 0.78| 12.6 9.8 3000 268 44 211 26| 6.2 0.0 6.2|477.8 -9.0 468.8 156.3 0.73| 11.0 8.1 4000 271 45 215 25| 4.6 1.1 5.7|513.2 -9.0 504.2 126.1 0.74| 9.4 6.9 5000 273 47 221 25| 3.7 1.7 5.5|548.6 -9.0 539.6 107.9 0.72| 8.4 6.0 6000 275 50 228 25| 3.1 1.8 4.9|577.8 -9.0 568.7 94.8 0.71| 7.5 5.3 Wrote GIF file: /home/apache/climate/data/raob//LFBD/skewt/LFBD.skewt.20251206.00.gif