UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025103000.upa.cvt Date: 0000Z 30 OCT 25 Searching for LFBD... Searching the city database file for: LFBD ... Date:0000Z 30 OCT 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 12.0 11.4 96 0.6 11.7 265 7 284.7 286.2 284.6 308.1 8.45 1 1000 94 13.6 12.6 94 1.0 13.0 280 5 286.8 288.4 286.2 312.3 9.20 2 925 748 9.8 9.6 99 0.2 9.7 305 15 289.3 290.8 286.1 312.3 8.13 3 850 1446 5.6 5.4 99 0.2 5.5 290 17 292.0 293.2 285.7 311.0 6.63 4 700 3010 -1.5 -6.4 69 4.9 -3.6 285 23 300.8 301.4 285.7 311.1 3.38 5 500 5610 -17.3 -46.3 6 29.0 -20.8 315 29 311.9 312.0 286.2 312.4 0.12 6 400 7250 -28.1 -48.1 13 20.0 -29.9 325 52 318.5 318.5 288.4 318.9 0.12 7 300 9230 -45.5 -55.5 32 10.0 -45.9 345 60 321.2 321.2 289.2 321.5 0.07 8 250 10420 -54.7 -65.7 24 11.0 -54.9 330 50 324.7 324.7 290.2 324.8 0.02 9 200 11830 -59.7 -73.7 15 14.0 -59.8 295 33 338.2 338.2 293.9 338.3 0.01 10 181 12450 -63.3 -75.3 18 12.0 -63.4 265 58 342.1 342.1 294.8 342.2 0.01 11 150 13620 -58.5 -79.5 5 21.0 -58.7 250 40 369.3 369.3 300.4 369.3 0.00 12 100 16140 -61.5 -89.5 1 28.0 -61.7 250 33 408.9 408.9 306.4 408.9 0.00 TRP 181 12450 -63.3 -75.3 18 12.0 -63.4 265 58 342.1 342.1 294.8 342.2 0.01 WND Sounding variables and indices 1000-500 mb thick: 5516.00 m Freezing level: 731.69 mb = 2679.58 m = 8791.16 ft Wetbulb zero: 759.09 mb = 2357.22 m = 7733.58 ft Precipitable water: 0.94 inches Sfc-500 mean rel hum: 64.85 % Est. max temperature: 19.09 C = 66.37 F Sfc-Lift cond lev (LCL): 996.07 mb = 127.00 m = 416.65 ft T: 13.41 C 700-500 lapse rate: 6.08 C/km ThetaE index: 1.32 C Layer 925.0- 700.0 mb Conv cond level (CCL): 938.48 mb = 626.67 m = 2055.97 ft Mean mixing ratio: 8.52 g/kg Conv temperature: 16.11 C = 61.00 F Cap Strength: 1.59 C Lifted Index: 3.66 C Risk: None Lifted Index @300 mb: 6.69 C Lifted Index @700 mb: 1.59 C Showalter Index: 4.36 C Risk: None Total Totals Index: 45.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.90 C Cross Totals Index: 22.70 C K Index: 23.40 Risk: 20-40 % chance of thunderstorms Sweat Index: 127.80 Risk: None Energy Index: 0.32 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.88 J/kg Max Up Vert Vel: 5.98 m/s Conv Inhibition (B-): 1.80 J/kg Cap Strength: 3.52 C Lift Cond Lev (LCL): 946.65 mb = 553.90 m = 1817.22 ft Lev Free Conv (LFC): 901.65 mb = 959.03 m = 3146.37 ft Equ Level (EL): 811.65 mb = 1817.86 m = 5964.05 ft B at Equ Level: 17.80 J/kg Max Parcel Lev (MPL): 721.65 mb = 2764.60 m = 9070.10 ft Wind level data Storm motion: 329 at 17 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 61 265 7 7.0 0.6 | 174 15 -1.4 14.8 1 1000 94 280 5 4.9 -0.9 | 165 14 -3.5 13.3 2 925 748 305 15 12.3 -8.6 | 215 7 3.9 5.6 3 850 1446 290 17 16.0 -5.8 | 222 11 7.6 8.4 4 700 3010 285 23 22.2 -6.0 | 239 16 13.8 8.2 5 500 5610 315 29 20.5 -20.5 | 298 14 12.1 -6.3 6 400 7250 325 52 29.8 -42.6 | 323 36 21.4 -28.4 7 300 9230 345 60 15.5 -58.0 | 351 44 7.1 -43.8 8 250 10420 330 50 25.0 -43.3 | 330 33 16.6 -29.1 9 200 11830 295 33 29.9 -13.9 | 269 21 21.5 0.3 10 181 12450 265 58 57.8 5.1 | 249 53 49.4 19.3 11 150 13620 250 40 37.6 13.7 | 226 40 29.2 27.9 12 100 16140 250 33 31.0 11.3 | 222 34 22.6 25.5 Wind Parameters Mean winds (0-6000m): 299.3 at 22.0 knts Storm direction: 329.3 at 16.5 knts Shear (0-3000m) pos: 1.8 neg: 1.4 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 65.6 deg Storm rel helicity (0-3000m) pos: 37.1 neg: -5.0 tot: 32.1 m^2/s^2 ave: 10.7 10^-3 m/s^2 rel: 0.50 Storm rel vorticity (0-3000m) horiz: 4.0 stream: 2.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.71 Bulk Shear: 25.14 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 ------------------------------------------------------------------------------- 500 291 8 177 11| 7.5 0.0 7.5| 14.5 -5.0 9.5 19.0 0.41| 9.1 3.7 1000 299 12 191 9| 5.5 0.0 5.5| 21.3 -5.0 16.3 16.3 0.50| 7.2 3.6 1500 297 13 202 9| 3.7 1.0 4.7| 23.3 -5.0 18.3 12.2 0.45| 5.9 2.6 2000 294 14 210 10| 2.8 1.2 4.0| 28.0 -5.0 23.0 11.5 0.48| 4.9 2.3 2500 292 16 216 10| 2.2 1.4 3.6| 32.4 -5.0 27.4 10.9 0.49| 4.3 2.1 3000 291 17 221 11| 1.8 1.4 3.3| 37.1 -5.0 32.1 10.7 0.50| 4.0 2.0 4000 291 19 230 12| 2.0 1.1 3.1| 57.9 -5.0 52.9 13.2 0.59| 3.7 2.1 5000 294 20 240 12| 2.1 0.9 2.9| 79.1 -5.0 74.1 14.8 0.65| 3.5 2.3 6000 299 22 252 11| 2.5 0.7 3.2|104.1 -5.0 99.1 16.5 0.65| 3.8 2.5 Wrote GIF file: /home/apache/climate/data/raob//LFBD/skewt/LFBD.skewt.20251030.00.gif