UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025110800.upa.cvt Date: 0000Z 8 NOV 25 Searching for LFBD... Searching the city database file for: LFBD ... Date:0000Z 8 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 1006 61 11.8 11.5 98 0.3 11.6 250 5 284.5 285.9 284.5 307.9 8.49 1 1000 97 12.6 12.5 99 0.1 12.6 260 5 285.8 287.3 285.7 311.1 9.14 2 925 752 10.8 7.3 79 3.5 8.9 300 13 290.4 291.6 285.4 310.1 6.94 3 850 1450 5.6 3.3 85 2.3 4.4 280 19 292.0 293.0 284.7 308.5 5.71 4 700 3011 -2.9 -6.5 76 3.6 -4.4 270 7 299.3 299.9 285.1 309.5 3.36 5 500 5580 -20.5 -31.5 37 11.0 -22.4 195 23 308.0 308.1 285.3 309.9 0.55 6 400 7190 -32.3 -35.5 73 3.2 -32.7 170 40 313.0 313.1 286.9 314.6 0.46 7 300 9140 -49.1 -53.4 61 4.3 -49.3 195 60 316.1 316.2 287.6 316.5 0.09 8 280 9593 -52.6 -56.1 65 3.6 -52.7 200 64 317.4 317.5 288.0 317.7 0.07 9 276 9686 -53.3 -56.7 66 3.4 -53.4 200 62 317.7 317.7 288.1 318.0 0.06 10 250 10330 -52.1 -67.1 15 15.0 -52.4 190 27 328.6 328.6 291.3 328.7 0.02 11 200 11780 -49.7 -73.7 4 24.0 -50.2 235 23 354.1 354.1 297.5 354.1 0.01 12 150 13640 -55.1 -86.1 1 31.0 -55.5 235 23 375.1 375.1 301.5 375.1 0.00 13 100 16190 -60.9 -89.9 1 29.0 -61.2 235 17 410.1 410.1 306.5 410.1 0.00 TRP 276 9686 -53.3 -56.7 66 3.4 -53.4 200 62 317.7 317.7 288.1 318.0 0.06 WND 280 9593 -52.6 -56.1 65 3.6 -52.7 200 64 317.4 317.5 288.0 317.7 0.07 Sounding variables and indices 1000-500 mb thick: 5483.00 m Freezing level: 751.18 mb = 2478.42 m = 8131.21 ft Wetbulb zero: 774.66 mb = 2196.17 m = 7205.21 ft Precipitable water: 0.91 inches Sfc-500 mean rel hum: 70.28 % Est. max temperature: 19.23 C = 66.61 F Sfc-Lift cond lev (LCL): 1001.56 mb = 87.64 m = 287.52 ft T: 12.39 C 700-500 lapse rate: 6.85 C/km ThetaE index: 2.60 C Layer 925.0- 700.0 mb Conv cond level (CCL): 891.02 mb = 1060.99 m = 3480.91 ft Mean mixing ratio: 7.84 g/kg Conv temperature: 18.45 C = 65.21 F Cap Strength: 1.82 C Lifted Index: 1.54 C Risk: Showers probable Lifted Index @300 mb: 4.32 C Lifted Index @700 mb: 1.01 C Showalter Index: 2.80 C Risk: Showers probable Total Totals Index: 49.90 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.10 C Cross Totals Index: 23.80 C K Index: 25.80 Risk: 40-60 % chance of thunderstorms Sweat Index: 118.60 Risk: None Energy Index: 0.28 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.45 J/kg Max Up Vert Vel: 5.19 m/s Conv Inhibition (B-): 9093.13 J/kg Cap Strength: 1.76 C Lift Cond Lev (LCL): 927.65 mb = 728.01 m = 2388.45 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 268 at 11 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 1006 61 250 5 4.7 1.7 | 102 6 -6.4 1.3 1 1000 97 260 5 4.9 0.9 | 94 6 -6.1 0.5 2 925 752 300 13 11.3 -6.5 | 358 7 0.2 -6.9 3 850 1450 280 19 18.7 -3.3 | 296 9 7.6 -3.7 4 700 3011 270 7 7.0 -0.0 | 84 4 -4.1 -0.4 5 500 5580 195 23 6.0 22.2 | 167 22 -5.1 21.8 6 400 7190 170 40 -6.9 39.4 | 155 43 -18.0 39.0 7 300 9140 195 60 15.5 58.0 | 184 58 4.5 57.5 8 280 9593 200 64 21.9 60.1 | 190 61 10.8 59.7 9 276 9686 200 62 21.2 58.3 | 190 59 10.1 57.8 10 250 10330 190 27 4.7 26.6 | 166 27 -6.4 26.2 11 200 11780 235 23 18.8 13.2 | 211 15 7.8 12.8 12 150 13640 235 23 18.8 13.2 | 211 15 7.8 12.8 13 100 16190 235 17 13.9 9.8 | 197 10 2.9 9.3 Wind Parameters Mean winds (0-6000m): 237.9 at 14.8 knts Storm direction: 267.9 at 11.1 knts Shear (0-3000m) pos: 2.1 neg: 1.6 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): -15.0 deg Storm rel helicity (0-3000m) pos: 2.7 neg: -22.9 tot: -20.1 m^2/s^2 ave: -6.7 10^-3 m/s^2 rel: -0.33 Storm rel vorticity (0-3000m) horiz: 5.3 stream: -1.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.98 Bulk Shear: 13.75 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 ------------------------------------------------------------------------------- 500 278 8 68 4| 7.6 0.0 7.6| 0.0 -5.8 -5.8 -11.6 -0.75| 7.8 -5.9 1000 291 10 18 4| 6.3 0.0 6.3| 0.0 -13.8 -13.8 -13.8 -0.73| 7.4 -5.4 1500 287 13 344 4| 4.2 1.5 5.7| 0.0 -22.9 -22.8 -15.2 -0.76| 6.8 -5.1 2000 284 14 331 4| 3.2 1.1 4.2| 0.7 -22.9 -22.2 -11.1 -0.61| 6.1 -3.7 2500 283 13 329 4| 2.5 1.4 3.9| 1.7 -22.9 -21.2 -8.5 -0.44| 5.7 -2.5 3000 282 13 337 3| 2.1 1.6 3.7| 2.7 -22.9 -20.1 -6.7 -0.33| 5.3 -1.8 4000 275 12 328 2| 1.6 1.7 3.2| 6.9 -22.9 -16.0 -4.0 -0.13| 5.1 -0.7 5000 259 13 220 3| 1.3 2.4 3.7| 7.0 -30.8 -23.8 -4.8 -0.15| 5.1 -0.8 6000 238 15 191 8| 1.1 3.0 4.1| 7.0 -53.3 -46.3 -7.7 -0.18| 5.4 -1.0 Wrote GIF file: /home/apache/climate/data/raob//LFBD/skewt/LFBD.skewt.20251108.00.gif