UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122523.upa.cvt Date: 2300Z 25 DEC 25 Searching for DTTA... Searching the city database file for: DTTA ... Date:2300Z 25 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 1015 4 12.4 6.4 67 6.0 9.2 270 1 284.3 285.4 281.7 300.9 5.94 1 1000 135 13.8 3.8 51 10.0 8.7 215 7 287.0 287.8 281.8 301.2 5.02 2 983 279 14.4 2.4 44 12.0 8.3 216 9 289.0 289.8 282.3 302.2 4.62 3 944 621 14.4 -2.6 31 17.0 6.5 219 15 292.3 292.9 282.3 302.2 3.34 4 925 792 12.8 -4.2 30 17.0 5.2 220 18 292.4 292.9 281.9 301.3 3.02 5 850 1494 7.0 -7.0 36 14.0 1.3 220 15 293.5 294.0 282.0 301.4 2.66 6 823 1758 4.8 -7.2 41 12.0 -0.1 221 15 293.9 294.4 282.1 302.0 2.70 7 780 2192 1.0 -7.0 55 8.0 -2.2 222 14 294.3 294.9 282.6 303.0 2.90 8 766 2337 0.0 -9.0 51 9.0 -3.4 223 14 294.8 295.2 282.3 302.4 2.52 9 700 3051 -5.7 -13.7 53 8.0 -8.3 225 13 296.2 296.5 282.2 302.0 1.89 10 679 3289 -7.3 -15.3 53 8.0 -9.8 226 15 297.0 297.3 282.3 302.3 1.71 11 622 3966 -11.5 -15.0 75 3.5 -12.6 229 20 299.7 300.1 283.7 305.7 1.92 12 617 4028 -11.9 -16.2 70 4.3 -13.2 229 20 299.9 300.3 283.5 305.4 1.75 13 603 4203 -13.1 -20.1 56 7.0 -14.9 229 21 300.5 300.8 283.2 304.6 1.28 14 600 4241 -13.5 -19.5 61 6.0 -15.0 230 22 300.5 300.7 283.3 304.8 1.36 15 595 4305 -13.7 -18.1 69 4.4 -14.9 230 22 301.0 301.3 283.7 305.9 1.54 16 581 4485 -14.3 -23.3 46 9.0 -16.4 231 24 302.3 302.5 283.7 305.6 1.01 17 547 4940 -16.9 -21.7 66 4.8 -18.0 232 27 304.5 304.7 284.8 308.5 1.23 18 516 5376 -19.1 -27.1 49 8.0 -20.7 234 30 307.0 307.1 285.2 309.7 0.80 19 500 5610 -20.5 -29.5 44 9.0 -22.1 235 32 308.0 308.2 285.4 310.3 0.66 20 443 6495 -28.3 -33.1 63 4.8 -29.0 235 36 309.0 309.1 285.7 310.9 0.53 21 400 7220 -34.5 -38.5 67 4.0 -34.9 235 39 310.2 310.2 285.8 311.4 0.34 22 373 7703 -38.5 -42.2 68 3.7 -38.8 237 48 311.1 311.2 286.1 312.0 0.25 23 322 8699 -43.9 -48.9 58 5.0 -44.2 243 67 317.0 317.0 287.9 317.5 0.14 24 300 9170 -47.3 -54.3 45 7.0 -47.6 245 76 318.7 318.7 288.4 319.0 0.08 25 277 9695 -49.9 -58.9 34 9.0 -50.1 245 82 322.3 322.3 289.5 322.5 0.05 26 250 10360 -53.7 -63.7 28 10.0 -53.9 245 90 326.2 326.2 290.7 326.3 0.03 27 235 10756 -55.1 -66.1 24 11.0 -55.3 245 89 329.9 329.9 291.7 330.0 0.02 28 214 11351 -57.1 -68.1 24 11.0 -57.3 245 87 335.8 335.8 293.3 335.9 0.02 29 200 11780 -56.3 -68.3 21 12.0 -56.5 250 87 343.6 343.6 295.2 343.7 0.02 30 192 12038 -55.3 -68.5 18 13.2 -55.5 250 93 349.3 349.3 296.5 349.3 0.02 31 162 13125 -51.1 -69.1 10 18.0 -51.6 260 80 373.7 373.7 301.2 373.8 0.02 32 150 13620 -53.7 -74.7 6 21.0 -54.1 265 74 377.5 377.6 301.9 377.6 0.01 33 133 14387 -56.5 -80.5 3 24.0 -56.8 269 68 385.8 385.8 303.2 385.8 0.00 34 110 15579 -60.7 -87.7 2 27.0 -60.9 276 58 399.4 399.4 305.1 399.4 0.00 35 101 16108 -61.5 -90.5 1 29.0 -61.7 280 54 407.7 407.7 306.2 407.7 0.00 36 100 16170 -61.7 -89.7 1 28.0 -61.9 280 53 408.5 408.5 306.3 408.5 0.00 37 71 18292 -61.1 299 28 451.8 38 70 18380 -61.3 300 27 453.2 39 64 18935 -62.3 462.8 40 64 18935 -62.3 462.8 TRP 214 11351 -57.1 -68.1 24 11.0 -57.3 245 87 335.8 335.8 293.3 335.9 0.02 WND 192 12038 -55.3 -68.5 18 13.2 -55.5 250 93 349.3 349.3 296.5 349.3 0.02 Sounding variables and indices 1000-500 mb thick: 5475.00 m Freezing level: 766.00 mb = 2337.32 m = 7668.28 ft Wetbulb zero: 824.95 mb = 1738.61 m = 5704.02 ft Precipitable water: 0.53 inches Sfc-500 mean rel hum: 50.60 % Est. max temperature: 21.37 C = 70.46 F Sfc-Lift cond lev (LCL): 927.01 mb = 773.75 m = 2538.51 ft T: 12.97 C 700-500 lapse rate: 5.78 C/km ThetaE index: 1.01 C Layer 766.0- 679.0 mb Conv cond level (CCL): 724.75 mb = 2775.78 m = 9106.77 ft Mean mixing ratio: 4.08 g/kg Conv temperature: 23.76 C = 74.77 F Cap Strength: 6.69 C Lifted Index: 7.20 C Risk: None Lifted Index @300 mb: 12.09 C Lifted Index @700 mb: 2.72 C Showalter Index: 7.49 C Risk: None Total Totals Index: 41.00 C Risk: None Vertical Totals Index: 27.50 C Cross Totals Index: 13.50 C K Index: 12.50 Risk: None Sweat Index: 119.35 Risk: None Energy Index: 1.81 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 29.76 J/kg Max Up Vert Vel: 7.71 m/s Conv Inhibition (B-): 20397.05 J/kg Cap Strength: 7.01 C Lift Cond Lev (LCL): 786.17 mb = 2128.37 m = 6982.77 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 258 at 14 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 4 270 1 1.0 -0.0 | 78 13 -12.9 -2.8 1 1000 135 215 7 4.0 5.7 | 106 10 -9.9 2.9 2 925 792 220 18 11.6 13.8 | 168 11 -2.4 10.9 3 850 1494 220 15 9.6 11.5 | 154 10 -4.3 8.6 4 700 3051 225 13 9.2 9.2 | 143 8 -4.7 6.3 5 500 5610 235 32 26.2 18.4 | 218 20 12.3 15.5 6 400 7220 235 39 31.9 22.4 | 223 27 18.0 19.5 7 300 9170 245 76 68.9 32.1 | 242 62 55.0 29.3 8 250 10360 245 90 81.6 38.0 | 243 76 67.6 35.2 9 214 11351 245 87 78.8 36.8 | 242 73 64.9 33.9 10 200 11780 250 87 81.8 29.8 | 248 73 67.8 26.9 11 192 12038 250 93 87.4 31.8 | 248 79 73.5 29.0 12 150 13620 265 74 73.7 6.4 | 267 60 59.8 3.6 13 100 16170 280 53 52.2 -9.2 | 287 40 38.3 -12.0 14 70 18380 300 27 23.4 -13.5 | 330 19 9.5 -16.3 Wind Parameters Mean winds (0-6000m): 228.5 at 18.9 knts Storm direction: 258.5 at 14.2 knts Shear (0-3000m) pos: 0.3 neg: 2.2 tot: 2.4 10-3/s Storm rel Dir Shear (0-3000m): 66.1 deg Storm rel helicity (0-3000m) pos: 42.8 neg: -10.4 tot: 32.4 m^2/s^2 ave: 10.8 10^-3 m/s^2 rel: 0.52 Storm rel vorticity (0-3000m) horiz: 3.9 stream: 2.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.96 Bulk Shear: 15.18 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 ------------------------------------------------------------------------------- 500 217 9 114 10| 0.0 13.0 13.0| 30.7 0.0 30.7 61.3 0.89| 13.3 11.8 1000 219 12 139 9| 2.0 6.5 8.5| 42.8 -2.0 40.8 40.8 0.82| 9.6 7.9 1500 219 14 146 9| 0.6 4.3 5.0| 42.8 -6.9 35.9 23.9 0.65| 7.1 4.6 2000 220 14 148 9| 0.4 3.2 3.6| 42.8 -8.0 34.8 17.4 0.61| 5.5 3.4 2500 220 14 148 9| 0.3 2.6 2.9| 42.8 -9.2 33.6 13.5 0.56| 4.6 2.6 3000 221 14 148 9| 0.3 2.2 2.4| 42.8 -10.4 32.4 10.8 0.52| 3.9 2.1 4000 223 14 152 9| 1.0 1.6 2.6| 58.0 -10.4 47.6 11.9 0.62| 3.9 2.4 5000 226 16 166 9| 1.6 1.3 2.9| 75.9 -10.4 65.5 13.1 0.63| 3.9 2.4 6000 228 19 182 10| 1.8 1.1 2.9| 91.0 -10.4 80.6 13.4 0.61| 3.8 2.3 Wrote GIF file: /home/apache/climate/data/raob//DTTA/skewt/DTTA.skewt.20251225.23.gif