UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025051312.upa.cvt Date: 1200Z 13 MAY 25 Searching for LFBD... Searching the city database file for: LFBD ... Date:1200Z 13 MAY 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 1010 61 19.6 10.6 56 9.0 14.2 125 1 291.9 293.3 286.9 314.6 7.96 1 1000 135 16.4 9.4 63 7.0 12.4 130 1 289.5 290.9 285.5 310.5 7.41 2 925 791 10.2 8.7 90 1.5 9.3 75 3 289.7 291.1 285.8 311.4 7.65 3 850 1488 4.8 4.8 100 0.0 4.8 185 7 291.2 292.3 285.1 309.4 6.35 4 700 3043 -4.3 -6.4 85 2.1 -5.1 185 13 297.7 298.3 284.5 307.9 3.38 5 500 5600 -22.5 -30.5 48 8.0 -23.8 215 13 305.6 305.7 284.4 307.6 0.60 6 400 7200 -35.3 -46.3 32 11.0 -36.1 245 15 309.1 309.1 285.2 309.7 0.15 7 300 9130 -52.3 -56.5 60 4.2 -52.4 245 31 311.6 311.6 286.0 311.9 0.06 8 290 9348 -54.1 -57.3 68 3.2 -54.2 250 29 312.1 312.1 286.1 312.3 0.06 9 250 10300 -53.3 -70.3 11 17.0 -53.5 230 21 326.8 326.8 290.8 326.9 0.01 10 200 11740 -51.5 -76.5 3 25.0 -51.9 240 11 351.2 351.2 296.9 351.2 0.01 11 150 13610 -51.7 -83.7 1 32.0 -52.2 230 11 381.0 381.0 302.4 381.0 0.00 12 100 16210 -54.7 -85.7 1 31.0 -55.2 245 11 422.0 422.0 308.0 422.1 0.00 TRP 290 9348 -54.1 -57.3 68 3.2 -54.2 250 29 312.1 312.1 286.1 312.3 0.06 WND Sounding variables and indices 1000-500 mb thick: 5465.00 m Freezing level: 770.88 mb = 2308.22 m = 7572.81 ft Wetbulb zero: 777.35 mb = 2203.58 m = 7229.50 ft Precipitable water: 0.93 inches Sfc-500 mean rel hum: 78.30 % Est. max temperature: 18.66 C = 65.59 F Sfc-Lift cond lev (LCL): 883.57 mb = 1168.76 m = 3834.48 ft T: 7.27 C 700-500 lapse rate: 7.12 C/km ThetaE index: 4.10 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 893.51 mb = 1076.54 m = 3531.93 ft Mean mixing ratio: 7.54 g/kg Conv temperature: 18.02 C = 64.43 F Cap Strength: 0.40 C Lifted Index: -0.90 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.59 C Lifted Index @700 mb: -0.75 C Showalter Index: 0.21 C Risk: Thunderstorms probable Total Totals Index: 54.60 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.30 C Cross Totals Index: 27.30 C K Index: 30.00 Risk: 40-60 % chance of thunderstorms Sweat Index: 196.60 Risk: None Energy Index: -0.41 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 203.75 J/kg Max Up Vert Vel: 20.19 m/s Conv Inhibition (B-): 4.83 J/kg Cap Strength: 2.14 C Lift Cond Lev (LCL): 900.90 mb = 1008.58 m = 3308.96 ft Lev Free Conv (LFC): 875.90 mb = 1240.56 m = 4070.02 ft Equ Level (EL): 355.90 mb = 7983.63 m = 26192.69 ft B at Equ Level: 203.14 J/kg Max Parcel Lev (MPL): 255.90 mb = 10150.29 m = 33301.08 ft Wind level data Storm motion: 225 at 8 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 1010 61 125 1 -0.8 0.6 | 53 8 -6.2 -4.7 1 1000 135 130 1 -0.8 0.6 | 53 8 -6.2 -4.7 2 925 791 75 3 -2.9 -0.8 | 54 10 -8.3 -6.1 3 850 1488 185 7 0.6 7.0 | 109 5 -4.8 1.7 4 700 3043 185 13 1.1 13.0 | 151 9 -4.3 7.6 5 500 5600 215 13 7.5 10.6 | 201 6 2.1 5.3 6 400 7200 245 15 13.6 6.3 | 263 8 8.2 1.0 7 300 9130 245 31 28.1 13.1 | 251 24 22.7 7.8 8 290 9348 250 29 27.3 9.9 | 258 22 21.9 4.6 9 250 10300 230 21 16.1 13.5 | 233 13 10.7 8.2 10 200 11740 240 11 9.5 5.5 | 267 4 4.1 0.2 11 150 13610 230 11 8.4 7.1 | 240 4 3.0 1.8 12 100 16210 245 11 10.0 4.6 | 278 5 4.6 -0.7 Wind Parameters Mean winds (0-6000m): 195.4 at 10.1 knts Storm direction: 225.4 at 7.6 knts Shear (0-3000m) pos: 1.6 neg: 0.6 tot: 2.2 10-3/s Storm rel Dir Shear (0-3000m): 98.5 deg Storm rel helicity (0-3000m) pos: 28.1 neg: -1.0 tot: 27.1 m^2/s^2 ave: 9.0 10^-3 m/s^2 rel: 0.69 Storm rel vorticity (0-3000m) horiz: 3.2 stream: 2.2 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 14.94 Bulk Shear: 13.64 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 ------------------------------------------------------------------------------- 500 107 2 55 8| 0.0 1.6 1.6| 1.1 -0.1 1.1 2.1 0.30| 1.7 0.5 1000 95 2 57 9| 1.3 0.8 2.1| 9.4 -1.0 8.4 8.4 0.55| 3.0 1.6 1500 143 4 72 8| 2.6 0.5 3.2| 20.6 -1.0 19.6 13.1 0.66| 4.5 3.0 2000 166 5 84 7| 2.0 0.5 2.5| 23.1 -1.0 22.1 11.1 0.69| 3.9 2.7 2500 174 6 95 6| 1.6 0.7 2.3| 25.6 -1.0 24.6 9.8 0.69| 3.5 2.4 3000 178 7 106 6| 1.6 0.6 2.2| 28.1 -1.0 27.1 9.0 0.69| 3.2 2.2 4000 183 8 122 6| 1.3 0.5 1.8| 32.8 -1.0 31.9 8.0 0.71| 2.8 2.0 5000 189 9 136 6| 1.1 0.4 1.5| 37.1 -1.0 36.1 7.2 0.73| 2.5 1.8 6000 195 10 148 5| 1.1 0.3 1.4| 42.4 -1.0 41.4 6.9 0.76| 2.4 1.8 Wrote GIF file: /home/apache/climate/data/raob//LFBD/skewt/LFBD.skewt.20250513.12.gif