UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042323.upa.cvt Date: 2300Z 23 APR 25 Searching for EHDB... Searching the city database file for: EHDB ... Date:2300Z 23 APR 25 Station: EHDB WMO ident: 6260 Latitude: 52.10 Longitude: 5.18 Elevation: 4.00 ------------------------------------------------------------------------------- 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 1015 4 12.0 9.4 84 2.6 10.6 20 5 283.9 285.2 283.1 304.1 7.30 1 1000 127 11.2 8.8 85 2.4 9.9 40 7 284.4 285.6 283.0 304.1 7.12 2 925 775 7.6 5.2 85 2.4 6.3 70 11 287.1 288.1 283.0 304.0 6.00 3 850 1466 3.0 2.9 99 0.1 2.9 45 11 289.3 290.3 283.4 305.1 5.55 4 788 2076 -0.5 -0.5 100 0.0 -0.5 51 12 291.9 292.7 283.6 305.5 4.68 5 727 2715 -5.3 -6.8 89 1.5 -5.9 57 13 293.4 294.0 282.5 302.8 3.16 6 700 3012 -6.9 -8.3 90 1.4 -7.4 60 13 294.8 295.4 282.8 303.6 2.92 7 500 5560 -23.5 -24.3 93 0.8 -23.7 175 9 304.4 304.6 284.5 307.9 1.07 8 465 6089 -26.1 -29.5 73 3.4 -26.6 177 10 307.5 307.7 285.3 309.9 0.71 9 457 6215 -27.3 -32.2 63 4.9 -28.0 177 11 307.6 307.7 285.1 309.5 0.56 10 400 7160 -35.3 -39.8 63 4.5 -35.7 180 13 309.1 309.2 285.4 310.2 0.30 11 368 7733 -40.3 -46.3 53 6.0 -40.6 152 9 309.9 309.9 285.5 310.5 0.16 12 323 8606 -47.9 -51.4 67 3.5 -48.0 109 3 311.2 311.2 285.9 311.6 0.10 13 320 8667 -47.9 -53.9 50 6.0 -48.1 106 2 312.0 312.0 286.1 312.3 0.08 14 312 8834 -49.5 -54.5 56 5.0 -49.7 97 1 312.1 312.1 286.2 312.3 0.07 15 310 8876 -49.7 -56.7 44 7.0 -49.9 95 1 312.4 312.4 286.2 312.6 0.06 16 307 8939 -49.3 -61.3 23 12.0 -49.6 52 2 313.8 313.8 286.7 313.9 0.03 17 300 9090 -49.3 -62.3 20 13.0 -49.6 310 5 315.9 315.9 287.4 316.0 0.03 18 286 9403 -50.3 -68.3 10 18.0 -50.6 309 11 318.8 318.8 288.3 318.8 0.01 19 275 9659 -51.1 -62.1 26 11.0 -51.3 308 16 321.2 321.2 289.2 321.3 0.03 20 250 10280 -50.5 -69.5 9 19.0 -50.8 305 29 331.0 331.0 292.0 331.0 0.01 21 200 11740 -49.1 -70.1 7 21.0 -49.6 310 27 355.0 355.0 297.7 355.1 0.02 22 197 11839 -48.3 -72.3 5 24.0 -48.9 310 26 357.8 357.8 298.3 357.9 0.01 23 183 12320 -51.3 -72.3 6 21.0 -51.7 308 23 360.6 360.6 298.8 360.6 0.01 24 150 13610 -51.3 -75.3 4 24.0 -51.8 305 15 381.7 381.7 302.5 381.7 0.01 25 116 15279 -52.7 -78.7 3 26.0 -53.3 305 16 408.2 408.2 306.3 408.2 0.01 26 106 15858 -55.7 -80.7 3 25.0 -56.2 305 17 413.2 413.2 306.9 413.2 0.01 27 103 16042 -55.9 -80.9 3 25.0 -56.3 305 17 416.2 416.2 307.3 416.2 0.01 28 100 16230 -55.9 -80.9 3 25.0 -56.4 305 17 419.7 419.7 307.7 419.7 0.01 TRP 310 8876 -49.7 -56.7 44 7.0 -49.9 95 1 312.4 312.4 286.2 312.6 0.06 WND Sounding variables and indices 1000-500 mb thick: 5433.00 m Freezing level: 796.86 mb = 1988.99 m = 6525.49 ft Wetbulb zero: 797.10 mb = 1983.62 m = 6507.87 ft Precipitable water: 0.86 inches Sfc-500 mean rel hum: 91.77 % Est. max temperature: 16.92 C = 62.45 F Sfc-Lift cond lev (LCL): 975.97 mb = 329.19 m = 1080.01 ft T: 10.08 C 700-500 lapse rate: 6.51 C/km ThetaE index: 2.67 C Layer 727.0- 700.0 mb Conv cond level (CCL): 900.68 mb = 992.70 m = 3256.85 ft Mean mixing ratio: 6.59 g/kg Conv temperature: 15.86 C = 60.55 F Cap Strength: 1.22 C Lifted Index: 2.67 C Risk: None Lifted Index @300 mb: 8.51 C Lifted Index @700 mb: 0.29 C Showalter Index: 1.97 C Risk: Showers probable Total Totals Index: 52.90 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.50 C Cross Totals Index: 26.40 C K Index: 28.00 Risk: 40-60 % chance of thunderstorms Sweat Index: 143.80 Risk: None Energy Index: 0.51 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 7.23 J/kg Max Up Vert Vel: 3.80 m/s Conv Inhibition (B-): 42.78 J/kg Cap Strength: 2.46 C Lift Cond Lev (LCL): 929.84 mb = 731.66 m = 2400.43 ft Lev Free Conv (LFC): 724.84 mb = 2738.71 m = 8985.17 ft Equ Level (EL): 714.84 mb = 2847.61 m = 9342.43 ft B at Equ Level: 6.99 J/kg Max Parcel Lev (MPL): 654.84 mb = 3517.07 m = 11538.79 ft Wind level data Storm motion: 106 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 1015 4 20 5 -1.7 -4.7 | 318 9 6.1 -6.9 1 1000 127 40 7 -4.5 -5.4 | 336 8 3.3 -7.6 2 925 775 70 11 -10.3 -3.8 | 23 6 -2.5 -6.0 3 850 1466 45 11 -7.8 -7.8 | 360 10 0.0 -10.0 4 700 3012 60 13 -11.3 -6.5 | 21 9 -3.4 -8.7 5 500 5560 175 9 -0.8 9.0 | 226 10 7.0 6.8 6 400 7160 180 13 0.0 13.0 | 216 13 7.8 10.8 7 310 8876 95 1 -1.0 0.1 | 287 7 6.8 -2.1 8 300 9090 310 5 3.8 -3.2 | 295 13 11.7 -5.4 9 250 10280 305 29 23.8 -16.6 | 301 37 31.6 -18.8 10 200 11740 310 27 20.7 -17.4 | 304 35 28.5 -19.6 11 150 13610 305 15 12.3 -8.6 | 298 23 20.1 -10.8 12 100 16230 305 17 13.9 -9.8 | 299 25 21.8 -12.0 Wind Parameters Mean winds (0-6000m): 75.8 at 10.8 knts Storm direction: 105.8 at 8.1 knts Shear (0-3000m) pos: 2.0 neg: 0.5 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 62.9 deg Storm rel helicity (0-3000m) pos: 26.6 neg: -6.7 tot: 20.0 m^2/s^2 ave: 6.7 10^-3 m/s^2 rel: 0.53 Storm rel vorticity (0-3000m) horiz: 2.9 stream: 1.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.73 Bulk Shear: 4.18 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 46 8 343 8| 6.3 0.0 6.3| 12.9 0.0 12.9 25.8 0.95| 6.5 6.1 1000 58 9 359 7| 4.1 0.0 4.1| 17.5 -1.8 15.8 15.8 0.73| 5.3 3.9 1500 56 10 2 8| 2.7 1.1 3.8| 17.5 -6.7 10.8 7.2 0.41| 4.6 1.9 2000 54 10 3 8| 2.3 0.8 3.1| 20.5 -6.7 13.8 6.9 0.45| 3.8 1.7 2500 54 11 4 8| 2.1 0.6 2.8| 23.5 -6.7 16.9 6.7 0.49| 3.3 1.6 3000 55 11 7 9| 2.0 0.5 2.5| 26.6 -6.7 20.0 6.7 0.53| 2.9 1.5 4000 61 11 15 8| 1.9 0.4 2.3| 38.0 -6.7 31.3 7.8 0.61| 3.4 2.1 5000 69 11 22 7| 1.7 0.3 2.0| 46.4 -6.7 39.7 7.9 0.67| 3.6 2.4 6000 76 11 29 6| 1.5 0.3 1.8| 53.3 -8.3 44.9 7.5 0.65| 3.5 2.3 Wrote GIF file: /home/apache/climate/data/raob//EHDB/skewt/EHDB.skewt.20250423.23.gif