UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041612.upa.cvt Date: 1200Z 16 APR 25 Searching for DFFD... Searching the city database file for: DFFD ... Date:1200Z 16 APR 25 Station: DFFD WMO ident: 65503 Latitude: 12.35 Longitude: 1.52 Elevation: 306.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 81 SFC 975 306 35.0 20.0 42 15.0 24.1 280 4 310.4 313.3 298.1 357.0 15.27 2 967 382 33.2 17.2 39 16.0 21.9 282 6 309.3 311.7 296.3 348.4 12.87 3 963 420 32.8 16.8 38 16.0 21.6 284 7 309.3 311.6 296.1 347.6 12.59 4 925 786 29.2 16.2 45 13.0 20.2 305 11 309.2 311.5 296.1 347.5 12.62 5 867 1358 24.0 14.0 54 10.0 17.2 355 13 309.5 311.7 295.5 345.1 11.67 6 859 1440 23.8 11.8 47 12.0 15.9 4 13 310.1 312.1 294.6 341.3 10.17 7 854 1491 24.8 8.8 36 16.0 14.7 10 13 311.7 313.3 293.7 337.5 8.35 8 850 1532 25.6 5.6 28 20.0 13.4 15 14 313.0 314.2 292.8 333.9 6.72 9 845 1584 25.6 3.6 24 22.0 12.6 18 13 313.5 314.6 292.2 331.9 5.87 10 735 2786 15.0 1.0 39 14.0 7.2 63 12 314.7 315.7 292.3 332.4 5.60 11 723 2925 13.6 0.6 41 13.0 6.4 60 13 314.6 315.7 292.3 332.1 5.53 12 700 3196 11.4 -3.6 35 15.0 3.8 55 15 315.1 315.9 291.3 328.5 4.19 13 677 3474 9.0 -7.0 32 16.0 1.4 51 16 315.5 316.1 290.6 326.2 3.34 14 641 3923 5.4 -5.6 45 11.0 0.1 72 12 316.3 317.1 291.4 329.0 3.93 15 635 4000 5.0 -8.0 38 13.0 -0.9 76 11 316.7 317.4 291.0 327.4 3.29 16 620 4195 4.8 -26.2 8 31.0 -4.7 86 10 318.7 318.8 289.1 321.2 0.73 17 600 4461 3.8 -7.2 44 11.0 -1.4 96 6 320.5 321.2 292.4 332.7 3.71 18 554 5103 -1.7 -8.7 59 7.0 -4.8 347 4 321.4 322.1 292.6 333.2 3.58 19 549 5175 -2.1 -9.1 59 7.0 -5.2 347 4 321.8 322.4 292.6 333.3 3.50 20 536 5366 0.0 -21.0 19 21.0 -7.2 349 3 326.5 326.7 292.0 331.2 1.34 21 523 5562 -1.1 -22.1 19 21.0 -8.2 353 3 327.5 327.7 292.2 331.9 1.24 22 515 5685 -1.1 -28.1 11 27.0 -9.0 360 6 328.9 329.1 292.2 331.6 0.73 23 500 5920 -3.1 -27.1 14 24.0 -10.2 15 13 329.3 329.4 292.3 332.3 0.83 24 467 6455 -7.1 -27.1 19 20.0 -12.8 7 17 330.8 331.0 292.8 334.0 0.89 25 450 6743 -9.1 -31.1 15 22.0 -14.6 351 14 331.8 331.9 292.8 334.1 0.63 26 400 7640 -16.1 -29.1 32 13.0 -19.3 345 9 334.1 334.2 293.6 337.2 0.86 27 300 9750 -31.5 -40.5 41 9.0 -32.6 300 19 341.0 341.1 294.9 342.4 0.37 28 250 11010 -42.1 -49.1 46 7.0 -42.6 285 17 343.5 343.5 295.3 344.2 0.18 29 206 12289 -51.5 -60.5 33 9.0 -51.8 281 20 348.3 348.3 296.3 348.5 0.05 30 200 12480 -52.9 -61.9 33 9.0 -53.1 285 20 349.0 349.0 296.4 349.2 0.05 31 172 13434 -61.7 -68.7 39 7.0 -61.8 288 22 349.8 349.8 296.6 349.9 0.02 32 160 13879 -64.7 -71.7 38 7.0 -64.8 271 23 352.1 352.1 297.1 352.1 0.01 33 150 14270 -67.7 -73.7 42 6.0 -67.7 220 23 353.5 353.5 297.4 353.5 0.01 34 143 14557 -69.5 -75.5 41 6.0 -69.5 220 23 355.2 355.2 297.7 355.2 0.01 35 141 14641 -70.1 -76.1 41 6.0 -70.1 220 23 355.6 355.6 297.8 355.6 0.01 36 138 14769 -70.9 -76.9 41 6.0 -70.9 220 24 356.4 356.4 298.0 356.4 0.01 37 135 14899 -71.3 -77.3 40 6.0 -71.3 220 24 357.9 357.9 298.3 357.9 0.01 38 117 15739 -75.5 -82.5 33 7.0 -75.5 220 28 365.1 365.1 299.7 365.1 0.00 39 100 16640 -79.5 -86.5 30 7.0 -79.5 270 29 374.1 374.1 301.3 374.1 0.00 40 93 17050 -80.7 -86.7 36 6.0 -80.7 284 29 379.6 379.6 302.2 379.6 0.00 41 89 17298 -80.9 -86.9 36 6.0 -80.9 296 28 384.0 384.0 302.9 384.0 0.00 42 79 17972 -78.7 -84.7 37 6.0 -78.7 140 11 401.9 401.9 305.5 401.9 0.00 43 72 18500 -79.3 -84.3 43 5.0 -79.3 36 4 411.4 411.4 306.7 411.4 0.00 44 70 18660 -78.9 -84.9 37 6.0 -78.9 5 2 415.6 415.6 307.2 415.6 0.00 45 69 18742 -78.5 -84.5 37 6.0 -78.5 14 2 418.2 418.2 307.5 418.2 0.00 46 54 20172 -71.1 -75.9 49 4.8 -71.2 268 16 465.6 465.6 312.3 465.7 0.02 47 53 20283 -71.5 -76.1 50 4.6 -71.6 266 15 467.1 467.2 312.4 467.3 0.02 48 50 20630 -69.7 -74.7 48 5.0 -69.8 260 12 479.2 479.2 313.4 479.4 0.03 49 47 21000 -67.1 -72.1 49 5.0 -67.2 266 10 494.0 494.0 314.5 494.3 0.05 50 42 21684 -63.3 -69.3 44 6.0 -63.6 313 13 519.6 519.6 316.3 520.1 0.08 51 40 21984 -62.1 -69.1 39 7.0 -62.4 283 11 529.9 529.9 316.9 530.5 0.09 52 36 22635 -61.3 -68.3 39 7.0 -61.7 240 7 548.2 548.2 318.1 548.9 0.11 53 32 23367 -59.9 -66.9 40 7.0 -60.4 258 4 570.7 570.8 319.2 571.8 0.15 54 30 23770 -59.7 -67.7 35 8.0 -60.3 145 17 581.9 581.9 319.8 582.9 0.14 55 24 25192 -51.3 -63.3 23 12.0 -53.4 71 25 644.6 644.8 322.6 647.2 0.32 56 20 26370 -53.7 -69.7 12 16.0 -55.9 90 31 671.8 671.9 323.5 673.1 0.16 57 16 27804 -53.9 -74.9 6 21.0 -56.6 87 37 715.4 715.5 325.0 716.2 0.09 58 15 28220 -52.1 -76.1 4 24.0 -55.5 86 39 734.7 734.8 325.5 735.5 0.08 59 12 29686 -45.7 -71.7 4 26.0 -52.1 90 46 805.8 805.9 327.4 807.8 0.20 TRP 854 1491 24.8 8.8 36 16.0 14.7 10 13 311.7 313.3 293.7 337.5 8.35 WND Sounding variables and indices 1000-500 mb thick: 5839.00 m Freezing level: 568.22 mb = 4904.40 m = 16090.34 ft Freezing level: 536.00 mb = 5365.92 m = 17604.50 ft Freezing level: 536.00 mb = 5365.92 m = 17604.50 ft Wetbulb zero: 640.54 mb = 3928.70 m = 12889.27 ft Precipitable water: 1.22 inches Sfc-500 mean rel hum: 36.35 % Est. max temperature: 38.31 C = 100.96 F Sfc-Lift cond lev (LCL): 786.03 mb = 2207.28 m = 7241.65 ft T: 20.10 C 700-500 lapse rate: 5.32 C/km ThetaE index: 25.08 C Layer 967.0- 735.0 mb Conv cond level (CCL): 705.21 mb = 3133.79 m = 10281.33 ft Mean mixing ratio: 12.52 g/kg Conv temperature: 39.58 C = 103.24 F Cap Strength: 4.70 C Lifted Index: 0.81 C Risk: Showers probable Lifted Index @300 mb: -1.70 C Lifted Index @700 mb: 1.54 C Showalter Index: 6.31 C Risk: None Total Totals Index: 37.40 C Risk: None Vertical Totals Index: 28.70 C Cross Totals Index: 8.70 C K Index: 19.30 Risk: < 20 % chance of thunderstorms Sweat Index: 108.20 Risk: None Energy Index: -0.18 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 364.60 J/kg Max Up Vert Vel: 27.00 m/s Conv Inhibition (B-): 228.33 J/kg Cap Strength: 4.70 C Lift Cond Lev (LCL): 762.76 mb = 2466.29 m = 8091.41 ft Lev Free Conv (LFC): 657.76 mb = 3710.62 m = 12173.81 ft Equ Level (EL): 537.76 mb = 5339.72 m = 17518.56 ft B at Equ Level: 51.15 J/kg Max Parcel Lev (MPL): 137.76 mb = 14779.30 m = 48487.93 ft Wind level data Storm motion: 58 at 7 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 ---------------------------------------------------------- 0 975 306 280 4 3.9 -0.7 | 253 11 10.3 3.2 1 943 610 290 12 11.3 -4.1 | 271 18 17.6 -0.2 2 925 786 305 11 9.0 -6.3 | 279 16 15.4 -2.4 3 912 914 320 11 7.1 -8.4 | 289 14 13.4 -4.5 4 881 1219 340 12 4.1 -11.3 | 305 13 10.5 -7.4 5 854 1491 10 13 -2.3 -12.8 | 335 10 4.1 -8.9 6 850 1532 15 14 -3.6 -13.5 | 344 10 2.7 -9.6 7 792 2134 45 8 -5.7 -5.7 | 338 2 0.7 -1.7 8 765 2438 70 9 -8.5 -3.1 | 112 2 -2.1 0.8 9 700 3196 55 15 -12.3 -8.6 | 52 8 -5.9 -4.7 10 687 3353 45 17 -12.0 -12.0 | 35 10 -5.7 -8.1 11 613 4267 90 9 -9.0 0.0 | 146 5 -2.6 3.9 12 591 4572 100 3 -3.0 0.5 | 218 6 3.4 4.4 13 569 4877 345 5 1.3 -4.8 | 277 8 7.7 -0.9 14 528 5486 350 2 0.3 -2.0 | 254 7 6.7 1.9 15 508 5791 5 8 -0.7 -8.0 | 306 7 5.7 -4.1 16 500 5920 15 13 -3.4 -12.6 | 341 9 3.0 -8.6 17 470 6401 10 18 -3.1 -17.7 | 347 14 3.2 -13.8 18 434 7010 335 10 4.2 -9.1 | 296 12 10.6 -5.2 19 400 7640 345 9 2.3 -8.7 | 299 10 8.7 -4.8 20 369 8230 255 3 2.9 0.8 | 243 10 9.3 4.7 21 300 9750 300 19 16.5 -9.5 | 284 23 22.8 -5.6 22 300 9754 300 18 15.6 -9.0 | 283 23 22.0 -5.1 23 251 10973 295 21 19.0 -8.9 | 281 26 25.4 -5.0 24 250 11010 285 17 16.4 -4.4 | 271 23 22.8 -0.5 25 229 11582 265 19 18.9 1.7 | 258 26 25.3 5.6 26 200 12480 285 20 19.3 -5.2 | 273 26 25.7 -1.3 27 190 12802 285 20 19.3 -5.2 | 273 26 25.7 -1.3 28 164 13716 290 23 21.6 -7.9 | 278 28 28.0 -4.0 29 150 14270 220 23 14.8 17.6 | 224 30 21.2 21.5 30 141 14630 220 23 14.8 17.6 | 224 30 21.2 21.5 31 114 15850 220 29 18.6 22.2 | 224 36 25.0 26.1 32 109 16154 200 22 7.5 20.7 | 209 28 13.9 24.6 33 103 16459 215 17 9.8 13.9 | 222 24 16.1 17.8 34 100 16640 270 29 29.0 -0.0 | 264 36 35.4 3.9 35 98 16764 270 29 29.0 -0.0 | 264 36 35.4 3.9 36 83 17678 315 28 19.8 -19.8 | 301 31 26.2 -15.9 37 79 17983 135 11 -7.8 7.8 | 173 12 -1.4 11.7 38 70 18660 5 2 -0.2 -2.0 | 253 6 6.2 1.9 39 67 18898 30 1 -0.5 -0.9 | 243 7 5.9 3.0 40 57 19812 275 19 18.9 -1.7 | 265 25 25.3 2.3 41 50 20630 260 12 11.8 2.1 | 252 19 18.2 6.0 42 49 20726 280 14 13.8 -2.4 | 266 20 20.2 1.5 43 47 21031 265 10 10.0 0.9 | 254 17 16.3 4.8 44 45 21336 340 15 5.1 -14.1 | 312 15 11.5 -10.2 45 40 21946 295 12 10.9 -5.1 | 274 17 17.2 -1.2 46 38 22250 230 8 6.1 5.1 | 234 15 12.5 9.1 47 32 23470 260 4 3.9 0.7 | 246 11 10.3 4.6 48 30 23770 145 17 -9.8 13.9 | 169 18 -3.4 17.8 49 27 24384 120 15 -13.0 7.5 | 150 13 -6.6 11.4 50 24 25298 65 26 -23.6 -11.0 | 68 19 -17.2 -7.1 51 20 26370 90 31 -31.0 0.0 | 99 25 -24.6 3.9 52 14 27737 85 41 -40.8 -3.6 | 91 34 -34.5 0.3 53 9 29261 100 55 -54.2 9.6 | 106 50 -47.8 13.5 54 8 29870 105 56 -54.1 14.5 | 111 51 -47.7 18.4 Wind Parameters Mean winds (0-6000m): 28.4 at 10.0 knts Storm direction: 58.4 at 7.5 knts Shear (0-3000m) pos: 2.6 neg: 1.0 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 146.8 deg Storm rel helicity (0-3000m) pos: 75.3 neg: -8.8 tot: 66.5 m^2/s^2 ave: 22.2 10^-3 m/s^2 rel: 0.40 Storm rel vorticity (0-3000m) horiz: 8.0 stream: 3.2 10^-3/s Energy-Hel index: 0.17 Bulk Rich Number: 13.39 Bulk Shear: 27.24 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 ------------------------------------------------------------------------------- 500 293 9 269 15| 7.9 0.0 7.9| 28.6 0.0 28.6 57.1 0.62| 12.0 7.4 1000 313 10 283 14| 5.9 0.0 5.9| 56.7 0.0 56.7 56.7 0.74| 10.4 7.7 1500 336 11 300 13| 4.5 0.0 4.5| 74.2 0.0 74.2 49.5 0.72| 10.2 7.4 2000 350 11 309 11| 3.1 0.0 3.1| 74.9 -0.4 74.6 37.3 0.64| 9.3 5.9 2500 6 11 321 8| 3.1 0.0 3.1| 75.3 -2.1 73.2 29.3 0.54| 8.4 4.6 3000 19 11 338 7| 2.6 1.0 3.6| 75.3 -8.8 66.5 22.2 0.40| 8.0 3.2 4000 34 12 1 6| 1.6 0.7 2.3| 93.4 -9.0 84.4 21.1 0.50| 7.7 3.9 5000 33 10 350 5| 1.3 1.1 2.4|104.5 -12.6 91.8 18.4 0.51| 7.7 3.9 6000 28 10 342 5| 1.4 1.0 2.3|127.6 -13.6 114.1 19.0 0.54| 7.7 4.2 Wrote GIF file: /home/apache/climate/data/raob//DFFD/skewt/DFFD.skewt.20250416.12.gif