UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122000.upa.cvt Date: 0000Z 20 DEC 25 Searching for DTTA... Searching the city database file for: DTTA ... Date:0000Z 20 DEC 25 Station: DTTA WMO ident: 60715 Latitude: 36.83 Longitude: 10.23 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 1016 4 13.0 13.0 100 0.0 13.0 350 2 284.9 286.5 285.5 310.5 9.29 1 1000 148 12.0 9.0 82 3.0 10.3 85 5 285.1 286.4 283.5 305.2 7.21 2 929 764 11.0 5.0 66 6.0 7.8 146 10 290.2 291.2 284.2 307.0 5.89 3 925 800 10.8 3.8 62 7.0 7.2 150 10 290.4 291.3 283.8 305.9 5.43 4 850 1499 5.6 0.6 70 5.0 3.2 135 19 292.0 292.8 283.7 305.7 4.70 5 836 1635 4.6 0.2 73 4.4 2.5 135 19 292.3 293.2 283.7 305.9 4.64 6 801 1982 3.2 -0.2 78 3.4 1.6 137 17 294.5 295.3 284.7 308.3 4.71 7 748 2534 0.0 -1.9 87 1.9 -0.9 138 16 296.8 297.6 285.3 310.0 4.45 8 700 3062 -3.1 -4.7 89 1.6 -3.8 140 14 299.1 299.8 285.5 310.7 3.85 9 665 3467 -5.1 -6.7 89 1.6 -5.8 132 14 301.2 301.9 286.0 311.8 3.48 10 643 3730 -6.5 -8.2 88 1.7 -7.2 127 14 302.5 303.1 286.2 312.4 3.20 11 600 4269 -9.1 -11.1 85 2.0 -9.8 117 14 305.6 306.1 286.8 314.2 2.73 12 554 4883 -12.3 -14.9 81 2.6 -13.2 105 14 308.8 309.3 287.3 315.8 2.17 13 500 5660 -16.9 -20.2 76 3.3 -17.8 90 14 312.4 312.7 287.9 317.5 1.54 14 489 5827 -18.1 -21.3 76 3.2 -18.9 91 16 313.0 313.2 288.0 317.7 1.43 15 425 6862 -25.5 -28.8 74 3.3 -26.1 101 26 316.3 316.5 288.5 319.2 0.83 16 400 7300 -28.9 -32.7 70 3.8 -29.5 105 30 317.4 317.5 288.6 319.6 0.61 17 367 7908 -34.1 -38.4 65 4.3 -34.6 106 29 318.4 318.5 288.6 319.8 0.38 18 310 9062 -44.3 -48.1 66 3.8 -44.5 109 27 319.9 319.9 288.9 320.5 0.16 19 300 9280 -46.5 -49.9 68 3.4 -46.7 110 27 319.8 319.8 288.8 320.3 0.13 20 250 10460 -57.7 -61.2 64 3.5 -57.8 115 25 320.3 320.3 288.9 320.4 0.04 21 246 10562 -58.7 -62.3 63 3.6 -58.7 114 26 320.3 320.3 288.9 320.4 0.04 22 233 10900 -62.1 -65.7 62 3.6 -62.1 110 29 320.1 320.1 288.8 320.2 0.02 23 231 10954 -62.1 -65.9 60 3.8 -62.1 107 28 320.9 320.9 289.0 321.0 0.02 24 216 11371 -60.3 -64.6 57 4.3 -60.4 85 19 329.9 329.9 291.7 330.1 0.03 25 202 11788 -61.3 -66.0 54 4.7 -61.4 63 9 334.7 334.7 293.0 334.8 0.03 26 200 11850 -61.1 -65.9 53 4.8 -61.2 60 8 336.0 336.0 293.3 336.1 0.03 27 179 12543 -59.5 -65.5 46 6.0 -59.6 6 11 349.5 349.5 296.5 349.6 0.03 28 174 12721 -58.5 -64.5 46 6.0 -58.6 352 12 353.9 354.0 297.5 354.1 0.04 29 169 12905 -58.1 -65.1 40 7.0 -58.2 338 13 357.6 357.6 298.2 357.7 0.04 30 150 13660 -56.7 -73.7 10 17.0 -57.0 280 16 372.4 372.4 301.0 372.4 0.01 31 148 13745 -56.3 -73.3 10 17.0 -56.6 280 16 374.5 374.5 301.4 374.6 0.01 32 130 14565 -57.3 -78.3 5 21.0 -57.6 280 20 386.9 386.9 303.3 386.9 0.01 33 119 15119 -59.7 -81.7 4 22.0 -60.0 280 22 392.4 392.4 304.1 392.4 0.00 34 102 16077 -61.5 -87.5 2 26.0 -61.7 280 26 406.6 406.6 306.1 406.6 0.00 35 100 16200 -60.9 -87.9 2 27.0 -61.2 280 26 410.1 410.1 306.5 410.1 0.00 36 72 18235 -61.5 266 20 449.2 37 70 18410 -60.1 265 19 455.8 38 68 18591 -59.5 460.9 39 55 19918 -59.7 489.3 40 53 20149 -60.5 492.6 41 52 20268 -60.9 494.4 42 52 20268 -60.9 494.4 TRP 233 10900 -62.1 -65.7 62 3.6 -62.1 110 29 320.1 320.1 288.8 320.2 0.02 WND Sounding variables and indices 1000-500 mb thick: 5512.00 m Freezing level: 748.00 mb = 2533.73 m = 8312.65 ft Wetbulb zero: 766.50 mb = 2336.82 m = 7666.64 ft Precipitable water: 0.94 inches Sfc-500 mean rel hum: 80.15 % Est. max temperature: 19.83 C = 67.70 F Sfc-Lift cond lev (LCL): 1016.00 mb = 4.00 m = 13.12 ft T: 13.00 C 700-500 lapse rate: 5.31 C/km ThetaE index: 5.27 C Layer 1000.0- 929.0 mb Conv cond level (CCL): 847.81 mb = 1520.03 m = 4986.92 ft Mean mixing ratio: 6.67 g/kg Conv temperature: 20.24 C = 68.43 F Cap Strength: 6.31 C Lifted Index: 7.69 C Risk: None Lifted Index @300 mb: 9.67 C Lifted Index @700 mb: 2.80 C Showalter Index: 8.22 C Risk: None Total Totals Index: 40.00 C Risk: None Vertical Totals Index: 22.50 C Cross Totals Index: 17.50 C K Index: 21.50 Risk: 20-40 % chance of thunderstorms Sweat Index: 59.20 Risk: None Energy Index: 2.41 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.04 J/kg Max Up Vert Vel: 5.11 m/s Conv Inhibition (B-): 22573.76 J/kg Cap Strength: 7.55 C Lift Cond Lev (LCL): 904.99 mb = 980.77 m = 3217.71 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 154 at 10 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 1016 4 350 2 0.3 -2.0 | 337 12 4.9 -11.4 1 1000 148 85 5 -5.0 -0.4 | 3 10 -0.5 -9.8 2 925 800 150 10 -5.0 8.7 | 33 1 -0.5 -0.7 3 850 1499 135 19 -13.4 13.4 | 114 10 -8.9 4.0 4 700 3062 140 14 -9.0 10.7 | 107 5 -4.5 1.3 5 500 5660 90 14 -14.0 0.0 | 45 13 -9.5 -9.4 6 400 7300 105 30 -29.0 7.8 | 86 25 -24.5 -1.6 7 300 9280 110 27 -25.4 9.2 | 90 21 -20.9 -0.2 8 250 10460 115 25 -22.7 10.6 | 94 18 -18.1 1.2 9 233 10900 110 29 -27.3 9.9 | 91 23 -22.7 0.5 10 200 11850 60 8 -6.9 -4.0 | 10 14 -2.4 -13.4 11 150 13660 280 16 15.8 -2.8 | 301 24 20.3 -12.2 12 100 16200 280 26 25.6 -4.5 | 295 33 30.1 -13.9 13 70 18410 265 19 18.9 1.7 | 288 25 23.4 -7.7 Wind Parameters Mean winds (0-6000m): 124.3 at 13.9 knts Storm direction: 154.3 at 10.4 knts Shear (0-3000m) pos: 1.8 neg: 1.2 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 130.5 deg Storm rel helicity (0-3000m) pos: 23.5 neg: -2.0 tot: 21.5 m^2/s^2 ave: 7.2 10^-3 m/s^2 rel: 0.32 Storm rel vorticity (0-3000m) horiz: 5.3 stream: 1.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.20 Bulk Shear: 10.86 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 ------------------------------------------------------------------------------- 500 101 6 7 8| 9.4 0.0 9.4| 21.7 0.0 21.7 43.3 0.72| 11.3 8.1 1000 133 8 16 4| 7.4 0.0 7.4| 23.2 0.0 23.2 23.2 0.56| 9.7 5.5 1500 136 10 56 3| 5.0 2.4 7.4| 23.5 -0.7 22.8 15.2 0.41| 8.9 3.7 2000 136 12 83 4| 3.4 1.8 5.2| 23.5 -0.9 22.6 11.3 0.38| 7.1 2.7 2500 136 13 92 5| 2.4 1.4 3.8| 23.5 -1.4 22.1 8.8 0.35| 6.0 2.1 3000 137 14 96 5| 1.8 1.2 3.0| 23.5 -2.0 21.5 7.2 0.32| 5.3 1.7 4000 135 14 94 5| 1.3 1.2 2.5| 23.5 -7.3 16.2 4.0 0.18| 4.6 0.8 5000 131 14 86 6| 1.1 1.2 2.3| 23.5 -15.2 8.3 1.7 0.08| 4.1 0.3 6000 124 14 77 7| 1.0 1.1 2.2| 33.5 -21.4 12.1 2.0 0.09| 4.0 0.3 Wrote GIF file: /home/apache/climate/data/raob//DTTA/skewt/DTTA.skewt.20251220.00.gif