UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042423.upa.cvt Date: 2300Z 24 APR 25 Searching for EHDB... Searching the city database file for: EHDB ... Date:2300Z 24 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 1021 4 9.6 8.0 90 1.6 8.8 20 3 281.1 282.2 281.0 299.1 6.60 1 1000 177 8.2 7.5 95 0.7 7.8 20 13 281.4 282.5 281.0 299.2 6.51 2 988 277 7.2 6.8 97 0.4 7.0 25 13 281.3 282.4 280.7 298.6 6.28 3 978 361 7.0 4.7 85 2.3 5.9 29 14 281.9 282.9 280.0 297.1 5.47 4 953 574 7.6 -0.4 57 8.0 4.0 39 14 284.6 285.3 279.4 295.7 3.89 5 925 820 7.4 -9.6 29 17.0 1.1 50 15 286.9 287.2 278.0 292.8 1.99 6 924 829 7.2 -8.8 31 16.0 1.1 50 15 286.8 287.1 278.2 293.0 2.12 7 880 1228 4.0 -0.4 73 4.4 2.0 53 11 287.5 288.2 281.1 299.5 4.22 8 870 1321 3.8 -7.2 44 11.0 -0.5 54 11 288.2 288.7 279.4 295.7 2.56 9 850 1509 2.2 -1.8 75 4.0 0.4 55 9 288.5 289.1 281.3 299.8 3.94 10 829 1711 0.6 -1.3 87 1.9 -0.3 58 9 288.8 289.6 281.7 300.9 4.19 11 815 1847 0.4 -4.1 72 4.5 -1.5 59 9 290.0 290.6 281.4 300.1 3.46 12 771 2291 -1.9 -1.9 100 0.0 -1.9 65 10 292.2 293.0 283.3 304.8 4.31 13 700 3052 -7.3 -7.3 100 0.0 -7.3 75 11 294.4 295.0 282.9 303.8 3.15 14 699 3063 -7.3 -7.3 100 0.0 -7.3 75 11 294.5 295.1 283.0 303.9 3.16 15 695 3108 -6.5 -9.0 82 2.5 -7.4 74 11 295.9 296.4 283.1 304.3 2.78 16 666 3440 -7.5 -11.6 72 4.1 -8.9 67 11 298.4 298.8 283.7 305.6 2.36 17 624 3943 -11.1 -13.6 82 2.5 -11.9 56 10 299.9 300.3 284.0 306.5 2.14 18 583 4462 -13.7 -18.7 66 5.0 -15.0 45 10 302.7 303.0 284.4 307.5 1.50 19 500 5610 -22.3 -28.3 58 6.0 -23.4 20 9 305.9 306.0 284.7 308.3 0.74 20 469 6077 -26.1 -32.1 57 6.0 -27.0 11 7 306.8 306.9 284.8 308.7 0.55 21 438 6569 -29.7 -42.7 27 13.0 -30.9 2 5 308.3 308.3 284.9 309.0 0.20 22 400 7210 -35.3 -44.3 39 9.0 -36.0 350 3 309.1 309.1 285.2 309.8 0.19 23 357 7989 -42.3 -48.3 52 6.0 -42.6 352 7 309.9 310.0 285.5 310.4 0.13 24 339 8337 -45.1 -55.1 32 10.0 -45.4 353 9 310.7 310.7 285.7 311.0 0.06 25 312 8884 -49.9 -54.9 56 5.0 -50.0 355 12 311.5 311.5 285.9 311.8 0.07 26 304 9054 -50.7 -59.7 34 9.0 -50.9 355 13 312.7 312.7 286.4 312.9 0.04 27 303 9075 -50.5 -65.5 15 15.0 -50.8 355 14 313.3 313.3 286.5 313.4 0.02 28 300 9140 -50.3 -65.3 15 15.0 -50.5 355 17 314.5 314.5 286.9 314.5 0.02 29 282 9545 -50.1 -72.1 6 22.0 -50.4 353 24 320.4 320.4 288.9 320.4 0.01 30 250 10330 -52.5 -70.5 10 18.0 -52.8 350 38 328.0 328.0 291.2 328.1 0.01 31 235 10729 -51.3 -76.3 4 25.0 -51.7 347 37 335.7 335.7 293.2 335.7 0.01 32 213 11359 -55.5 -74.5 8 19.0 -55.7 343 34 338.7 338.7 294.0 338.8 0.01 33 200 11760 -54.7 -78.7 4 24.0 -55.0 340 33 346.1 346.1 295.8 346.2 0.00 34 189 12124 -52.7 -81.7 2 29.0 -53.1 334 31 355.0 355.0 297.7 355.0 0.00 35 160 13195 -54.9 -81.9 2 27.0 -55.2 317 25 368.6 368.6 300.3 368.6 0.00 36 155 13399 -52.5 -83.5 1 31.0 -52.9 313 24 376.1 376.1 301.6 376.1 0.00 37 150 13610 -53.9 -83.9 1 30.0 -54.3 310 23 377.2 377.2 301.8 377.2 0.00 38 101 16147 -56.5 -86.5 1 30.0 -56.9 261 11 417.4 417.4 307.4 417.4 0.00 39 100 16210 -56.5 -86.5 1 30.0 -56.9 260 11 418.6 418.6 307.6 418.6 0.00 TRP 304 9054 -50.7 -59.7 34 9.0 -50.9 355 13 312.7 312.7 286.4 312.9 0.04 WND Sounding variables and indices 1000-500 mb thick: 5433.00 m Freezing level: 807.35 mb = 1924.43 m = 6313.69 ft Wetbulb zero: 872.01 mb = 1301.85 m = 4271.11 ft Precipitable water: 0.68 inches Sfc-500 mean rel hum: 74.36 % Est. max temperature: 16.70 C = 62.05 F Sfc-Lift cond lev (LCL): 996.49 mb = 206.02 m = 675.92 ft T: 7.91 C 700-500 lapse rate: 5.86 C/km ThetaE index: 6.46 C Layer 988.0- 924.0 mb Conv cond level (CCL): 809.16 mb = 1904.80 m = 6249.28 ft Mean mixing ratio: 4.77 g/kg Conv temperature: 18.89 C = 66.01 F Cap Strength: 8.22 C Lifted Index: 9.03 C Risk: None Lifted Index @300 mb: 12.67 C Lifted Index @700 mb: 4.11 C Showalter Index: 6.80 C Risk: None Total Totals Index: 45.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.50 C Cross Totals Index: 20.50 C K Index: 22.70 Risk: 20-40 % chance of thunderstorms Sweat Index: 27.00 Risk: None Energy Index: 1.77 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 25.18 J/kg Max Up Vert Vel: 7.10 m/s Conv Inhibition (B-): 13618.29 J/kg Cap Strength: 8.95 C Lift Cond Lev (LCL): 897.20 mb = 1069.57 m = 3509.04 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 80 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 1021 4 20 3 -1.0 -2.8 | 282 7 6.7 -1.5 1 1000 177 20 13 -4.4 -12.2 | 343 11 3.3 -10.9 2 925 820 50 15 -11.5 -9.6 | 24 9 -3.8 -8.3 3 850 1509 55 9 -7.4 -5.2 | 355 4 0.4 -3.8 4 700 3052 75 11 -10.6 -2.8 | 63 3 -2.9 -1.5 5 500 5610 20 9 -3.1 -8.5 | 327 9 4.7 -7.1 6 400 7210 350 3 0.5 -3.0 | 281 8 8.3 -1.6 7 304 9054 355 13 1.1 -13.0 | 323 15 8.9 -11.6 8 300 9140 355 17 1.5 -16.9 | 329 18 9.2 -15.6 9 250 10330 350 38 6.6 -37.4 | 338 39 14.3 -36.1 10 200 11760 340 33 11.3 -31.0 | 327 35 19.0 -29.7 11 150 13610 310 23 17.6 -14.8 | 298 29 25.3 -13.4 12 100 16210 260 11 10.8 1.9 | 260 19 18.6 3.3 Wind Parameters Mean winds (0-6000m): 50.2 at 10.5 knts Storm direction: 80.2 at 7.8 knts Shear (0-3000m) pos: 1.6 neg: 0.0 tot: 1.6 10-3/s Storm rel Dir Shear (0-3000m): 137.8 deg Storm rel helicity (0-3000m) pos: 39.8 neg: -3.8 tot: 36.0 m^2/s^2 ave: 12.0 10^-3 m/s^2 rel: 0.62 Storm rel vorticity (0-3000m) horiz: 4.7 stream: 2.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 8.46 Bulk Shear: 2.98 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 26 12 344 9| 11.5 0.0 11.5| 27.7 0.0 27.7 55.3 0.89| 14.1 12.6 1000 37 13 1 9| 5.6 0.0 5.6| 36.6 -0.6 36.1 36.1 0.81| 9.8 8.0 1500 42 12 4 8| 2.3 0.0 2.3| 36.6 -3.8 32.8 21.8 0.56| 8.0 4.5 2000 45 12 5 7| 2.0 0.0 2.0| 37.6 -3.8 33.8 16.9 0.58| 6.3 3.7 2500 49 11 7 6| 1.8 0.0 1.8| 38.7 -3.8 34.9 14.0 0.60| 5.3 3.2 3000 53 11 12 6| 1.6 0.0 1.6| 39.8 -3.8 36.0 12.0 0.62| 4.7 2.9 4000 56 11 16 5| 1.2 0.5 1.7| 39.8 -7.3 32.6 8.1 0.43| 4.0 1.7 5000 54 11 12 5| 1.0 0.8 1.7| 39.8 -11.7 28.1 5.6 0.30| 3.6 1.1 6000 50 10 3 5| 0.8 0.9 1.7| 39.8 -19.2 20.7 3.4 0.18| 3.3 0.6 Wrote GIF file: /home/apache/climate/data/raob//EHDB/skewt/EHDB.skewt.20250424.23.gif