UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122012.upa.cvt Date: 1200Z 20 DEC 25 Searching for OMAA... Searching the city database file for: OMAA ... Date:1200Z 20 DEC 25 Station: OMAA WMO ident: 41217 Latitude: 24.43 Longitude: 54.65 Elevation: 27.00 ------------------------------------------------------------------------------- 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 1013 27 20.0 7.0 43 13.0 12.7 260 12 292.1 293.2 285.3 309.9 6.21 1 1000 140 18.8 6.8 46 12.0 12.1 250 9 292.0 293.1 285.2 309.8 6.20 2 925 800 11.6 4.6 62 7.0 7.9 245 13 291.2 292.2 284.4 307.7 5.75 3 904 991 9.8 4.8 71 5.0 7.2 246 11 291.2 292.3 284.7 308.4 5.97 4 900 1028 9.4 3.4 66 6.0 6.3 247 11 291.2 292.2 284.1 306.8 5.43 5 897 1056 10.0 -11.0 22 21.0 2.0 247 10 292.1 292.4 280.3 297.7 1.84 6 893 1093 9.2 1.2 57 8.0 5.2 247 10 291.6 292.5 283.5 305.2 4.67 7 890 1121 9.4 -8.6 27 18.0 2.2 247 10 292.1 292.5 280.8 298.8 2.24 8 885 1167 8.4 0.4 57 8.0 4.5 248 9 291.6 292.4 283.2 304.5 4.45 9 875 1261 8.2 -11.8 23 20.0 0.8 248 8 292.3 292.6 280.3 297.7 1.77 10 864 1366 7.8 -14.2 19 22.0 0.1 249 7 292.9 293.2 280.2 297.5 1.47 11 850 1500 6.6 -15.4 19 22.0 -0.9 250 6 293.1 293.3 280.1 297.2 1.36 12 831 1685 5.6 -12.4 26 18.0 -0.9 252 9 293.9 294.2 281.0 299.3 1.77 13 772 2283 2.4 -19.6 18 22.0 -4.3 257 19 296.7 296.9 281.3 300.0 1.05 14 705 3015 1.6 -36.4 4 38.0 -6.6 264 31 303.6 303.7 283.2 304.5 0.24 15 700 3072 1.8 -38.2 3 40.0 -6.5 265 32 304.5 304.5 283.5 305.2 0.20 16 693 3153 2.2 -41.8 2 44.0 -6.5 265 33 305.8 305.8 283.9 306.3 0.14 17 500 5710 -13.9 -43.9 6 30.0 -18.3 265 61 316.1 316.1 287.6 316.7 0.16 18 440 6668 -20.5 -53.5 4 33.0 -23.7 262 71 319.5 319.5 288.6 319.7 0.06 19 426 6908 -20.7 -54.7 3 34.0 -24.0 261 74 322.2 322.2 289.5 322.4 0.05 20 400 7370 -24.3 -53.3 5 29.0 -26.9 260 79 323.4 323.4 289.9 323.7 0.07 21 300 9390 -42.1 -63.1 8 21.0 -42.8 260 84 326.0 326.0 290.6 326.1 0.03 22 298 9435 -42.5 -63.5 8 21.0 -43.2 260 85 326.1 326.1 290.6 326.2 0.03 23 282 9808 -44.3 -65.3 8 21.0 -44.9 260 90 328.7 328.7 291.3 328.8 0.02 24 253 10531 -48.3 -70.2 6 21.9 -48.7 260 101 333.2 333.2 292.6 333.2 0.01 25 250 10610 -48.7 -70.7 6 22.0 -49.1 260 101 333.7 333.7 292.7 333.7 0.01 26 215 11582 -55.9 -73.9 9 18.0 -56.1 250 82 337.2 337.2 293.6 337.2 0.01 27 200 12040 -55.9 -76.9 6 21.0 -56.1 245 73 344.2 344.2 295.3 344.3 0.01 28 174 12924 -58.7 -79.7 5 21.0 -58.9 252 74 353.6 353.6 297.4 353.6 0.00 29 170 13071 -56.5 -82.5 2 26.0 -56.8 253 74 359.6 359.6 298.6 359.6 0.00 30 150 13860 -60.7 -85.7 2 25.0 -60.9 260 75 365.5 365.5 299.8 365.5 0.00 31 131 14692 -64.9 -86.9 3 22.0 -65.0 255 85 372.4 372.4 301.0 372.4 0.00 32 100 16330 -66.3 -88.3 3 22.0 -66.4 265 88 399.6 399.6 305.2 399.6 0.00 TRP 131 14692 -64.9 -86.9 3 22.0 -65.0 255 85 372.4 372.4 301.0 372.4 0.00 WND 253 10531 -48.3 -70.2 6 21.9 -48.7 260 101 333.2 333.2 292.6 333.2 0.01 Sounding variables and indices 1000-500 mb thick: 5570.00 m Freezing level: 666.63 mb = 3502.44 m = 11490.81 ft Wetbulb zero: 862.83 mb = 1376.77 m = 4516.89 ft Precipitable water: 0.40 inches Sfc-500 mean rel hum: 18.18 % Est. max temperature: 20.89 C = 69.60 F Sfc-Lift cond lev (LCL): 834.72 mb = 1648.44 m = 5408.19 ft T: 5.80 C 700-500 lapse rate: 5.95 C/km ThetaE index: 10.71 C Layer 900.0- 893.0 mb Conv cond level (CCL): 776.84 mb = 2232.15 m = 7323.23 ft Mean mixing ratio: 5.98 g/kg Conv temperature: 24.43 C = 75.97 F Cap Strength: 7.45 C Lifted Index: 9.17 C Risk: None Lifted Index @300 mb: 12.43 C Lifted Index @700 mb: 6.53 C Showalter Index: 17.02 C Risk: None Total Totals Index: 19.00 C Risk: None Vertical Totals Index: 20.50 C Cross Totals Index: -1.50 C K Index: -34.90 Risk: None Sweat Index: 73.00 Risk: None Energy Index: 4.18 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.91 J/kg Max Up Vert Vel: 2.41 m/s Conv Inhibition (B-): 10950.18 J/kg Cap Strength: 9.10 C Lift Cond Lev (LCL): 834.15 mb = 1654.03 m = 5426.56 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 293 at 24 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 1013 27 260 12 11.8 2.1 | 139 15 -10.0 11.5 1 1000 140 250 9 8.5 3.1 | 133 18 -13.3 12.5 2 925 800 245 13 11.8 5.5 | 146 18 -10.0 14.9 3 850 1500 250 6 5.6 2.1 | 125 20 -16.2 11.4 4 700 3072 265 32 31.9 2.8 | 220 16 10.1 12.2 5 500 5710 265 61 60.8 5.3 | 249 42 39.0 14.7 6 400 7370 260 79 77.8 13.7 | 248 61 56.0 23.1 7 300 9390 260 84 82.7 14.6 | 249 65 60.9 24.0 8 253 10531 260 101 99.5 17.5 | 251 82 77.7 26.9 9 250 10610 260 101 99.5 17.5 | 251 82 77.7 26.9 10 200 12040 245 73 66.2 30.9 | 228 60 44.4 40.2 11 150 13860 260 75 73.9 13.0 | 247 57 52.1 22.4 12 131 14692 255 85 82.1 22.0 | 243 68 60.3 31.4 13 100 16330 265 88 87.7 7.7 | 255 68 65.9 17.0 Wind Parameters Mean winds (0-6000m): 263.3 at 31.6 knts Storm direction: 293.3 at 23.7 knts Shear (0-3000m) pos: 3.7 neg: 0.5 tot: 4.2 10-3/s Storm rel Dir Shear (0-3000m): 78.1 deg Storm rel helicity (0-3000m) pos: 110.4 neg: -36.3 tot: 74.1 m^2/s^2 ave: 24.7 10^-3 m/s^2 rel: 0.51 Storm rel vorticity (0-3000m) horiz: 6.6 stream: 3.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.05 Bulk Shear: 62.85 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 ------------------------------------------------------------------------------- 500 250 10 137 18| 0.0 2.8 2.8| 10.2 -6.5 3.6 7.3 0.12| 5.5 0.7 1000 248 11 140 18| 0.0 1.5 1.5| 17.0 -16.1 0.8 0.8 0.01| 4.5 0.0 1500 248 10 137 18| 1.5 1.0 2.5| 17.0 -36.3 -19.4 -12.9 -0.31| 4.5 -1.4 2000 249 10 137 18| 1.1 0.8 1.9| 49.1 -36.3 12.8 6.4 0.14| 5.5 0.8 2500 253 12 141 17| 2.6 0.6 3.2| 79.5 -36.3 43.1 17.3 0.38| 6.1 2.3 3000 257 15 149 15| 3.7 0.5 4.2|110.4 -36.3 74.1 24.7 0.51| 6.6 3.4 4000 261 20 170 13| 3.5 0.6 4.0|144.6 -36.3 108.2 27.1 0.53| 6.4 3.4 5000 262 26 196 13| 2.8 1.5 4.3|177.3 -36.3 140.9 28.2 0.50| 6.2 3.1 6000 263 32 216 16| 2.3 2.2 4.5|199.6 -37.5 162.1 27.0 0.45| 6.2 2.8 Wrote GIF file: /home/apache/climate/data/raob//OMAA/skewt/OMAA.skewt.20251220.12.gif