UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120812.upa.cvt Date: 1200Z 8 DEC 25 Searching for EN400... Searching the city database file for: EN400 ... Date:1200Z 8 DEC 25 Station: EN400 WMO ident: 1400 Latitude: 56.53 Longitude: 3.22 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 56 220 25 SFC 999 64 9.6 7.9 89 1.7 8.7 220 25 282.8 284.0 281.9 301.3 6.70 2 988 156 10.4 9.9 97 0.5 10.1 223 26 284.5 285.9 283.8 306.0 7.76 3 986 173 9.2 9.2 100 0.0 9.2 223 26 283.5 284.8 283.0 303.9 7.42 4 964 360 7.8 6.8 93 1.0 7.3 229 27 283.9 285.0 282.1 301.8 6.43 5 950 481 8.2 4.7 79 3.5 6.4 233 28 285.5 286.5 281.9 301.3 5.64 6 925 701 6.6 4.2 85 2.4 5.4 240 29 286.1 287.0 282.1 301.8 5.59 7 864 1257 3.2 -0.3 78 3.5 1.6 244 35 288.1 288.9 281.5 300.6 4.33 8 850 1389 2.0 -0.6 83 2.6 0.8 245 36 288.2 289.0 281.6 300.6 4.30 9 789 1985 -2.9 -3.0 99 0.1 -3.0 245 41 289.2 289.9 281.5 300.4 3.88 10 749 2396 -4.7 -5.0 98 0.3 -4.8 245 44 291.6 292.2 282.1 301.9 3.52 11 711 2805 -6.3 -12.3 62 6.0 -8.3 245 47 294.2 294.6 281.5 300.5 2.09 12 709 2827 -6.1 -14.1 53 8.0 -8.7 245 47 294.7 295.0 281.4 300.2 1.81 13 704 2882 -6.5 -12.5 62 6.0 -8.5 245 48 294.8 295.2 281.8 301.1 2.08 14 700 2927 -6.7 -14.7 53 8.0 -9.2 245 48 295.1 295.4 281.5 300.4 1.74 15 698 2949 -6.9 -17.9 41 11.0 -10.0 245 48 295.1 295.3 281.0 299.3 1.34 16 694 2994 -7.1 -15.1 53 8.0 -9.5 245 48 295.3 295.7 281.6 300.6 1.70 17 688 3062 -6.7 -29.7 14 23.0 -11.5 245 49 296.5 296.6 280.5 298.1 0.47 18 648 3526 -9.5 -39.5 7 30.0 -14.2 246 51 298.5 298.5 281.0 299.1 0.19 19 552 4736 -20.5 -43.5 11 23.0 -22.9 249 56 299.5 299.5 281.3 300.0 0.15 20 500 5460 -25.7 -43.7 17 18.0 -27.4 250 60 301.7 301.7 282.3 302.3 0.16 21 489 5621 -26.7 -49.7 10 23.0 -28.5 249 60 302.4 302.4 282.5 302.7 0.08 22 458 6091 -29.9 -44.9 22 15.0 -31.1 246 62 304.1 304.1 283.2 304.7 0.15 23 400 7040 -38.7 -42.6 67 3.9 -38.9 240 64 304.7 304.7 283.6 305.5 0.22 24 387 7265 -40.9 -42.5 84 1.6 -41.0 240 69 304.7 304.7 283.6 305.5 0.23 25 382 7353 -41.7 -44.2 77 2.5 -41.8 240 70 304.8 304.8 283.6 305.5 0.20 26 378 7424 -42.1 -48.1 52 6.0 -42.4 240 72 305.2 305.2 283.7 305.6 0.13 27 369 7586 -43.1 -50.1 46 7.0 -43.4 240 75 306.0 306.0 283.9 306.3 0.11 28 364 7678 -43.8 -49.8 52 6.0 -44.0 240 77 306.2 306.2 284.0 306.6 0.11 29 359 7770 -44.5 -49.4 58 4.9 -44.7 241 75 306.5 306.5 284.1 306.9 0.12 30 351 7921 -44.9 -53.9 36 9.0 -45.2 242 71 307.9 307.9 284.7 308.2 0.07 31 341 8113 -45.5 -62.5 13 17.0 -45.9 243 67 309.7 309.7 285.2 309.8 0.03 32 314 8660 -46.9 -65.9 10 19.0 -47.3 248 53 315.1 315.1 287.1 315.2 0.02 33 300 8960 -48.9 -61.9 21 13.0 -49.2 250 46 316.4 316.4 287.6 316.5 0.03 34 275 9526 -53.5 -64.5 25 11.0 -53.7 252 47 317.7 317.8 288.1 317.8 0.02 35 270 9644 -53.9 -67.9 16 14.0 -54.1 253 47 318.8 318.8 288.4 318.9 0.02 36 250 10140 -53.1 -74.1 6 21.0 -53.4 255 48 327.1 327.1 290.9 327.1 0.01 37 223 10868 -56.3 -77.3 5 21.0 -56.5 230 44 333.1 333.1 292.6 333.1 0.00 38 203 11465 -54.9 -80.9 3 26.0 -55.2 247 42 344.4 344.4 295.4 344.4 0.00 39 200 11560 -53.9 -80.9 2 27.0 -54.2 250 42 347.4 347.4 296.1 347.4 0.00 40 199 11592 -52.1 -81.1 2 29.0 -52.5 250 42 350.8 350.8 296.8 350.8 0.00 41 176 12375 -58.1 -83.1 3 25.0 -58.3 250 41 353.4 353.4 297.4 353.5 0.00 42 150 13390 -53.7 -82.7 2 29.0 -54.1 250 40 377.5 377.5 301.9 377.6 0.00 43 149 13433 -53.7 -82.7 2 29.0 -54.1 250 40 378.3 378.3 302.0 378.3 0.00 44 117 14969 -60.1 -85.1 2 25.0 -60.3 262 41 393.5 393.5 304.3 393.5 0.00 45 113 15186 -60.7 -85.7 2 25.0 -60.9 264 41 396.3 396.3 304.7 396.4 0.00 46 100 15950 -59.7 -85.7 2 26.0 -60.0 270 42 412.4 412.4 306.8 412.4 0.00 47 77 17565 -65.3 -88.3 3 23.0 -65.5 274 35 432.7 432.7 309.1 432.7 0.00 48 72 17976 -62.7 -87.7 2 25.0 -63.0 275 34 446.6 446.6 310.6 446.6 0.00 49 70 18150 -63.1 -88.1 2 25.0 -63.4 275 33 449.4 449.4 310.8 449.4 0.00 50 50 20190 -67.7 -90.7 2 23.0 -67.9 280 40 484.0 484.0 313.8 484.0 0.00 51 48 20436 -67.7 -90.7 2 23.0 -67.9 489.6 489.6 314.2 489.6 0.00 TRP 223 10868 -56.3 -77.3 5 21.0 -56.5 230 44 333.1 333.1 292.6 333.1 0.00 WND 364 7678 -43.8 -49.8 52 6.0 -44.0 240 77 306.2 306.2 284.0 306.6 0.11 Sounding variables and indices 1000-500 mb thick: 5404.00 m Freezing level: 825.10 mb = 1632.24 m = 5355.04 ft Wetbulb zero: 836.54 mb = 1516.69 m = 4975.95 ft Precipitable water: 0.57 inches Sfc-500 mean rel hum: 50.24 % Est. max temperature: 15.02 C = 59.04 F Sfc-Lift cond lev (LCL): 973.54 mb = 278.66 m = 914.23 ft T: 8.41 C 700-500 lapse rate: 7.50 C/km ThetaE index: 4.69 C Layer 986.0- 925.0 mb Conv cond level (CCL): 893.79 mb = 980.76 m = 3217.68 ft Mean mixing ratio: 6.08 g/kg Conv temperature: 13.88 C = 56.99 F Cap Strength: 2.90 C Lifted Index: 1.82 C Risk: Showers probable Lifted Index @300 mb: 10.26 C Lifted Index @700 mb: 1.54 C Showalter Index: 2.87 C Risk: Showers probable Total Totals Index: 52.80 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.70 C Cross Totals Index: 25.10 C K Index: 19.10 Risk: < 20 % chance of thunderstorms Sweat Index: 243.89 Risk: None Energy Index: 0.36 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 27.95 J/kg Max Up Vert Vel: 7.48 m/s Conv Inhibition (B-): 28.15 J/kg Cap Strength: 2.86 C Lift Cond Lev (LCL): 920.65 mb = 739.39 m = 2425.80 ft Lev Free Conv (LFC): 825.65 mb = 1621.56 m = 5320.02 ft Equ Level (EL): 745.65 mb = 2431.29 m = 7976.56 ft B at Equ Level: 27.46 J/kg Max Parcel Lev (MPL): 685.65 mb = 3088.09 m = 10131.41 ft Wind level data Storm motion: 276 at 35 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 ---------------------------------------------------------- 0 999 64 220 25 16.1 19.2 | 141 29 -18.7 22.7 1 925 701 240 29 25.1 14.5 | 152 20 -9.7 18.1 2 850 1389 245 36 32.6 15.2 | 173 19 -2.2 18.8 3 700 2927 245 48 43.5 20.3 | 200 25 8.7 23.8 4 500 5460 250 60 56.4 20.5 | 222 32 21.6 24.1 5 400 7040 240 64 55.4 32.0 | 210 41 20.6 35.6 6 364 7678 240 77 66.7 38.5 | 217 53 31.9 42.1 7 300 8960 250 46 43.2 15.7 | 204 21 8.4 19.3 8 250 10140 255 48 46.4 12.4 | 216 20 11.6 16.0 9 223 10868 230 44 33.7 28.3 | 178 32 -1.1 31.8 10 200 11560 250 42 39.5 14.4 | 195 19 4.7 17.9 11 150 13390 250 40 37.6 13.7 | 189 17 2.8 17.2 12 100 15950 270 42 42.0 -0.0 | 244 8 7.2 3.6 13 70 18150 275 33 32.9 -2.9 | 110 2 -1.9 0.7 14 50 20190 280 40 39.4 -6.9 | 306 6 4.6 -3.4 Wind Parameters Mean winds (0-6000m): 245.8 at 46.6 knts Storm direction: 275.8 at 35.0 knts Shear (0-3000m) pos: 3.6 neg: 1.3 tot: 5.0 10-3/s Storm rel Dir Shear (0-3000m): 61.0 deg Storm rel helicity (0-3000m) pos: 132.5 neg: 0.0 tot: 132.5 m^2/s^2 ave: 44.2 10^-3 m/s^2 rel: 0.76 Storm rel vorticity (0-3000m) horiz: 5.2 stream: 3.9 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.41 Bulk Shear: 68.16 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 ------------------------------------------------------------------------------- 500 229 27 145 26| 8.1 0.0 8.1| 27.7 0.0 27.7 55.3 0.50| 8.2 4.1 1000 235 28 150 23| 7.0 0.0 7.0| 53.4 0.0 53.4 53.4 0.62| 7.2 4.5 1500 239 31 156 21| 6.2 0.0 6.2| 77.8 0.0 77.8 51.9 0.72| 6.5 4.7 2000 241 33 162 21| 4.7 1.0 5.7| 96.3 0.0 96.3 48.2 0.74| 5.9 4.4 2500 242 35 169 21| 3.7 1.6 5.3|114.9 0.0 114.9 45.9 0.75| 5.5 4.2 3000 242 37 174 21| 3.6 1.3 5.0|132.5 0.0 132.5 44.2 0.76| 5.2 3.9 4000 244 40 184 22| 3.4 1.0 4.4|163.7 0.0 163.7 40.9 0.77| 4.6 3.5 5000 245 44 192 23| 3.2 0.8 4.0|196.6 0.0 196.6 39.3 0.78| 4.2 3.2 6000 246 47 199 24| 2.9 0.8 3.7|210.0 -25.2 184.8 30.8 0.65| 4.0 2.6 Wrote GIF file: /home/apache/climate/data/raob//EN400/skewt/EN400.skewt.20251208.12.gif