UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102212.upa.cvt Date: 1200Z 22 OCT 25 Searching for LFBD... Searching the city database file for: LFBD ... Date:1200Z 22 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 1001 61 17.6 17.2 98 0.4 17.4 260 21 290.7 292.9 290.5 325.6 12.42 1 1000 53 17.8 17.3 97 0.5 17.5 260 21 291.0 293.2 290.6 326.2 12.52 2 925 716 13.4 13.4 100 0.0 13.4 265 40 293.0 294.9 289.6 322.9 10.50 3 850 1425 10.0 10.0 100 0.0 10.0 270 38 296.6 298.3 289.7 323.0 9.11 4 700 3015 1.8 0.5 91 1.3 1.1 280 38 304.5 305.5 289.3 321.7 5.67 5 500 5640 -14.5 -16.2 87 1.7 -15.0 265 36 315.4 315.8 289.5 322.5 2.16 6 400 7300 -25.5 -28.6 75 3.1 -26.1 275 44 321.8 322.0 290.3 325.0 0.90 7 300 9320 -41.5 -46.1 61 4.6 -41.8 290 81 326.9 326.9 291.0 327.7 0.20 8 250 10530 -51.5 -57.5 49 6.0 -51.7 295 95 329.5 329.5 291.6 329.8 0.06 9 212 11576 -57.0 -65.2 35 8.2 -57.1 295 104 336.9 336.9 293.6 337.0 0.03 10 200 11940 -58.9 -67.9 30 9.0 -59.0 295 97 339.5 339.5 294.2 339.6 0.02 11 177 12702 -62.1 -76.1 14 14.0 -62.2 285 85 346.3 346.3 295.8 346.3 0.01 12 150 13730 -60.9 -76.9 10 16.0 -61.1 290 64 365.2 365.2 299.7 365.2 0.01 13 100 16240 -60.7 -86.7 2 26.0 -61.0 290 42 410.4 410.4 306.6 410.5 0.00 TRP 177 12702 -62.1 -76.1 14 14.0 -62.2 285 85 346.3 346.3 295.8 346.3 0.01 WND 212 11576 -57.0 -65.2 35 8.2 -57.1 295 104 336.9 336.9 293.6 337.0 0.03 Sounding variables and indices 1000-500 mb thick: 5587.00 m Freezing level: 677.91 mb = 3304.88 m = 10842.64 ft Wetbulb zero: 685.99 mb = 3172.76 m = 10409.18 ft Precipitable water: 1.48 inches Sfc-500 mean rel hum: 93.23 % Est. max temperature: 23.51 C = 74.31 F Sfc-Lift cond lev (LCL): 995.34 mb = 92.70 m = 304.14 ft T: 17.54 C 700-500 lapse rate: 6.21 C/km ThetaE index: 3.32 C Layer 925.0- 850.0 mb Conv cond level (CCL): 947.85 mb = 508.46 m = 1668.17 ft Mean mixing ratio: 11.21 g/kg Conv temperature: 19.31 C = 66.75 F Cap Strength: -0.00 C Lifted Index: -0.40 C Risk: Thunderstorms probable Lifted Index @300 mb: 2.54 C Lifted Index @700 mb: -0.33 C Showalter Index: 0.25 C Risk: Thunderstorms probable Total Totals Index: 49.00 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 24.50 C Cross Totals Index: 24.50 C K Index: 33.20 Risk: 60-80 % chance of thunderstorms Sweat Index: 232.00 Risk: None Energy Index: -0.21 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 108.54 J/kg Max Up Vert Vel: 14.73 m/s Conv Inhibition (B-): 0.42 J/kg Cap Strength: 0.00 C Lift Cond Lev (LCL): 948.14 mb = 505.83 m = 1659.53 ft Lev Free Conv (LFC): 943.14 mb = 550.80 m = 1807.06 ft Equ Level (EL): 453.14 mb = 6371.99 m = 20905.21 ft B at Equ Level: 107.85 J/kg Max Parcel Lev (MPL): 323.14 mb = 8798.16 m = 28865.01 ft Wind level data Storm motion: 301 at 28 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 1001 61 260 21 20.7 3.6 | 171 18 -2.9 18.0 1 1000 53 260 21 20.7 3.6 | 171 18 -2.9 18.0 2 925 716 265 40 39.8 3.5 | 222 24 16.3 17.9 3 850 1425 270 38 38.0 -0.0 | 225 20 14.4 14.4 4 700 3015 280 38 37.4 -6.6 | 241 16 13.9 7.8 5 500 5640 265 36 35.9 3.1 | 215 21 12.3 17.5 6 400 7300 275 44 43.8 -3.8 | 242 23 20.3 10.6 7 300 9320 290 81 76.1 -27.7 | 284 54 52.5 -13.3 8 250 10530 295 95 86.1 -40.1 | 292 68 62.5 -25.7 9 212 11576 295 104 94.3 -44.0 | 293 77 70.7 -29.6 10 200 11940 295 97 87.9 -41.0 | 292 70 64.3 -26.6 11 177 12702 285 85 82.1 -22.0 | 277 59 58.5 -7.6 12 150 13730 290 64 60.1 -21.9 | 282 37 36.6 -7.5 13 100 16240 290 42 39.5 -14.4 | 270 16 15.9 0.0 Wind Parameters Mean winds (0-6000m): 271.4 at 36.8 knts Storm direction: 301.4 at 27.6 knts Shear (0-3000m) pos: 3.3 neg: 0.0 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 68.4 deg Storm rel helicity (0-3000m) pos: 122.0 neg: 0.0 tot: 122.0 m^2/s^2 ave: 40.7 10^-3 m/s^2 rel: 0.81 Storm rel vorticity (0-3000m) horiz: 5.0 stream: 4.0 10^-3/s Energy-Hel index: 0.07 Bulk Rich Number: 8.52 Bulk Shear: 12.74 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 ------------------------------------------------------------------------------- 500 263 28 194 19| 14.9 0.0 14.9| 70.3 0.0 70.3 140.6 0.96| 14.9 14.2 1000 264 34 209 20| 9.4 0.0 9.4| 96.4 0.0 96.4 96.4 0.88| 10.6 9.3 1500 266 35 215 20| 6.0 0.0 6.0|101.4 0.0 101.4 67.6 0.82| 7.9 6.5 2000 268 36 218 20| 4.7 0.0 4.7|109.1 0.0 109.1 54.5 0.81| 6.5 5.3 2500 269 36 221 20| 3.9 0.0 3.9|116.3 0.0 116.3 46.5 0.81| 5.6 4.5 3000 271 37 224 19| 3.3 0.0 3.3|122.0 0.0 122.0 40.7 0.81| 5.0 4.0 4000 273 37 226 18| 2.5 0.5 3.0|122.0 -14.7 107.3 26.8 0.61| 4.2 2.6 5000 272 37 226 19| 2.0 0.8 2.8|122.0 -30.1 91.9 18.4 0.47| 3.8 1.8 6000 271 37 224 19| 1.9 0.8 2.7|136.0 -38.7 97.3 16.2 0.44| 3.5 1.5 Wrote GIF file: /home/apache/climate/data/raob//LFBD/skewt/LFBD.skewt.20251022.12.gif