UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025043012.upa.cvt Date: 1200Z 30 APR 25 Searching for DFFD... Searching the city database file for: DFFD ... Date:1200Z 30 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 56 SFC 973 306 35.2 23.2 50 12.0 26.2 200 10 310.8 314.3 300.2 368.1 18.71 2 961 419 32.4 22.4 56 10.0 25.0 209 11 309.0 312.4 299.4 363.9 18.02 3 925 763 28.8 20.8 62 8.0 22.9 230 11 308.8 311.9 298.7 360.2 16.95 4 901 996 26.6 19.6 65 7.0 21.5 233 10 308.8 311.9 298.2 357.8 16.14 5 876 1245 25.0 18.0 65 7.0 20.0 250 11 309.7 312.5 297.7 355.3 14.99 6 863 1376 25.4 16.4 57 9.0 19.1 305 9 311.4 314.0 297.4 353.5 13.72 7 857 1438 25.6 15.6 54 10.0 18.7 310 9 312.2 314.7 297.2 352.6 13.12 8 850 1510 25.0 14.0 50 11.0 17.5 315 9 312.3 314.6 296.4 349.0 11.91 9 700 3180 13.0 -2.0 35 15.0 5.0 100 25 316.9 317.8 292.3 332.0 4.72 10 672 3521 10.0 -5.0 34 15.0 2.5 103 24 317.2 318.0 291.7 329.9 3.92 11 600 4449 1.6 -7.4 51 9.0 -2.6 105 22 318.0 318.7 291.7 329.8 3.65 12 561 4987 -2.7 -5.6 80 2.9 -4.1 118 24 319.1 319.9 292.7 333.6 4.49 13 556 5058 -2.9 -6.1 79 3.2 -4.4 120 25 319.6 320.5 292.7 333.8 4.36 14 533 5394 -1.9 -15.9 33 14.0 -7.2 132 28 324.7 325.1 292.2 331.8 2.08 15 524 5529 -2.5 -18.5 28 16.0 -8.2 136 28 325.6 325.9 292.1 331.5 1.70 16 500 5900 -4.3 -14.3 46 10.0 -8.3 125 11 327.8 328.3 293.4 336.5 2.53 17 432 7029 -12.9 -18.9 61 6.0 -14.9 107 10 330.9 331.3 293.8 337.8 1.99 18 400 7610 -16.7 -23.7 55 7.0 -18.7 250 4 333.3 333.6 293.9 338.4 1.41 19 396 7686 -17.3 -24.3 54 7.0 -19.2 260 5 333.5 333.7 293.9 338.3 1.35 20 354 8521 -22.3 -26.9 66 4.6 -23.4 285 12 337.6 337.8 294.8 342.0 1.19 21 300 9720 -30.9 -36.9 56 6.0 -31.8 270 23 341.8 341.9 295.3 343.9 0.54 22 277 10281 -34.1 -40.1 55 6.0 -34.8 257 26 345.1 345.2 295.9 346.8 0.42 23 266 10563 -36.3 -42.3 54 6.0 -37.0 260 31 345.9 346.0 296.0 347.3 0.35 24 258 10774 -38.1 -44.1 53 6.0 -38.7 265 36 346.3 346.3 296.1 347.5 0.30 25 250 10990 -39.9 -44.9 59 5.0 -40.4 270 42 346.7 346.8 296.1 347.9 0.28 26 249 11017 -40.3 -45.3 59 5.0 -40.7 270 42 346.5 346.6 296.1 347.6 0.27 27 237 11351 -42.7 -48.7 52 6.0 -43.1 268 41 347.9 347.9 296.3 348.7 0.19 28 202 12406 -51.1 -55.7 58 4.6 -51.3 255 37 350.8 350.9 296.9 351.3 0.10 29 200 12470 -51.5 -56.2 57 4.7 -51.7 255 37 351.2 351.2 297.0 351.6 0.09 30 167 13614 -61.7 -65.4 61 3.7 -61.7 257 36 352.8 352.8 297.3 352.9 0.03 31 150 14270 -67.3 -70.9 60 3.6 -67.3 235 36 354.2 354.2 297.5 354.2 0.02 32 133 14984 -73.9 -77.6 57 3.7 -73.9 232 37 354.8 354.8 297.7 354.8 0.01 33 121 15531 -77.9 -81.2 59 3.3 -77.9 230 37 357.2 357.2 298.1 357.2 0.00 34 117 15723 -78.5 -82.2 55 3.7 -78.5 233 30 359.5 359.5 298.6 359.6 0.00 35 115 15821 -78.1 -81.9 54 3.8 -78.1 234 27 362.1 362.1 299.1 362.1 0.00 36 109 16128 -77.1 -80.3 60 3.2 -77.1 191 16 369.5 369.5 300.5 369.6 0.01 37 100 16620 -79.9 -82.0 71 2.1 -79.9 155 31 373.4 373.4 301.1 373.4 0.00 38 93 17029 -82.1 -84.5 66 2.4 -82.1 135 27 376.8 376.8 301.7 376.9 0.00 39 82 17736 -81.1 -82.6 78 1.5 -81.1 83 17 392.7 392.7 304.2 392.7 0.01 40 75 18242 -78.1 -80.8 65 2.7 -78.1 128 11 409.1 409.1 306.4 409.2 0.01 41 70 18640 -74.5 -76.8 70 2.3 -74.5 220 7 425.0 425.0 308.3 425.1 0.02 42 64 19162 -72.1 -73.8 78 1.7 -72.1 289 27 441.3 441.3 310.0 441.5 0.03 43 50 20630 -66.7 -68.1 82 1.4 -66.8 290 11 486.3 486.3 314.0 486.8 0.08 44 45 21274 -63.1 -65.0 78 1.9 -63.2 295 10 509.9 510.0 315.7 510.8 0.14 45 33 23210 -58.1 -58.8 92 0.7 -58.2 53 8 570.5 570.6 319.3 573.4 0.42 46 30 23810 -58.9 -59.1 98 0.2 -58.9 70 8 584.1 584.2 320.0 587.2 0.44 47 29 24024 -58.9 -59.2 96 0.3 -58.9 67 9 589.8 589.9 320.3 593.0 0.45 48 28 24245 -58.3 -59.1 90 0.8 -58.4 64 9 597.4 597.5 320.6 600.8 0.47 49 26 24715 -57.1 -57.5 95 0.4 -57.2 58 10 613.6 613.8 321.4 618.3 0.62 50 25 24965 -55.5 -56.2 92 0.7 -55.6 54 11 625.1 625.4 321.9 630.9 0.76 51 24 25227 -54.9 -55.1 98 0.2 -54.9 51 12 634.2 634.5 322.3 641.2 0.90 52 22 25789 -51.9 -53.0 88 1.1 -52.2 77 20 659.1 659.6 323.4 669.2 1.27 53 20 26410 -50.7 -50.9 98 0.2 -50.8 95 25 681.0 681.7 324.3 695.6 1.79 54 19 26744 -50.5 -50.6 99 0.1 -50.5 92 25 691.7 692.5 324.7 707.9 1.95 55 18 27097 -50.5 -50.5 100 0.0 -50.5 89 26 702.4 703.3 325.1 720.0 2.08 56 17 27469 -50.9 -50.9 100 0.0 -50.9 86 26 712.7 713.7 325.4 730.8 2.10 57 14 28742 -47.9 -48.5 93 0.6 -48.2 88 33 763.6 765.2 327.1 794.6 3.36 58 14 28742 -47.9 -48.4 95 0.5 -48.1 88 33 763.6 765.2 327.1 794.9 3.40 59 11 30351 -42.7 -44.3 84 1.6 -43.7 93 43 837.0 840.5 329.5 906.3 6.85 TRP 863 1376 25.4 16.4 57 9.0 19.1 305 9 311.4 314.0 297.4 353.5 13.72 WND Sounding variables and indices 1000-500 mb thick: 5844.00 m Freezing level: 585.49 mb = 4649.16 m = 15252.97 ft Wetbulb zero: 636.13 mb = 3970.24 m = 13025.55 ft Precipitable water: 1.71 inches Sfc-500 mean rel hum: 48.78 % Est. max temperature: 37.53 C = 99.56 F Sfc-Lift cond lev (LCL): 819.39 mb = 1825.48 m = 5989.04 ft T: 22.73 C 700-500 lapse rate: 6.36 C/km ThetaE index: 38.24 C Layer 961.0- 561.0 mb Conv cond level (CCL): 750.54 mb = 2580.41 m = 8465.82 ft Mean mixing ratio: 16.78 g/kg Conv temperature: 39.69 C = 103.45 F Cap Strength: 3.93 C Lifted Index: -4.73 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -7.72 C Lifted Index @700 mb: -0.20 C Showalter Index: -0.98 C Risk: Thunderstorms probable Total Totals Index: 47.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 29.30 C Cross Totals Index: 18.30 C K Index: 28.30 Risk: 40-60 % chance of thunderstorms Sweat Index: 197.00 Risk: None Energy Index: -2.42 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2758.27 J/kg Max Up Vert Vel: 74.27 m/s Conv Inhibition (B-): 143.74 J/kg Cap Strength: 3.93 C Lift Cond Lev (LCL): 818.09 mb = 1839.16 m = 6033.90 ft Lev Free Conv (LFC): 703.09 mb = 3142.16 m = 10308.79 ft Equ Level (EL): 113.09 mb = 15917.47 m = 52222.04 ft B at Equ Level: 2701.02 J/kg Max Parcel Lev (MPL): 63.09 mb = 19247.69 m = 63147.81 ft Wind level data Storm motion: 145 at 13 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 ---------------------------------------------------------- 0 973 306 200 10 3.4 9.4 | 275 11 10.8 -0.9 1 941 610 225 12 8.5 8.5 | 277 16 15.8 -1.8 2 925 763 230 11 8.4 7.1 | 282 16 15.8 -3.3 3 909 914 230 10 7.7 6.4 | 285 16 15.0 -3.9 4 878 1219 240 11 9.5 5.5 | 286 18 16.9 -4.8 5 863 1376 305 9 7.4 -5.2 | 316 21 14.7 -15.5 6 850 1510 315 9 6.4 -6.4 | 321 22 13.7 -16.7 7 791 2134 45 8 -5.7 -5.7 | 354 16 1.7 -16.0 8 711 3048 90 15 -15.0 0.0 | 36 13 -7.6 -10.3 9 700 3180 100 25 -24.6 4.3 | 71 18 -17.3 -6.0 10 660 3658 105 23 -22.2 6.0 | 74 15 -14.9 -4.4 11 612 4267 105 24 -23.2 6.2 | 75 16 -15.8 -4.1 12 589 4572 105 21 -20.3 5.4 | 69 14 -12.9 -4.9 13 526 5486 135 29 -20.5 20.5 | 128 17 -13.1 10.2 14 507 5791 145 20 -11.5 16.4 | 146 7 -4.1 6.1 15 500 5900 125 11 -9.0 6.3 | 22 4 -1.7 -4.0 16 433 7010 105 10 -9.7 2.6 | 17 8 -2.3 -7.7 17 400 7610 250 4 3.8 1.4 | 309 14 11.1 -9.0 18 368 8230 335 9 3.8 -8.2 | 329 22 11.2 -18.5 19 338 8839 225 15 10.6 10.6 | 269 18 18.0 0.3 20 300 9720 270 23 23.0 -0.0 | 289 32 30.4 -10.3 21 274 10363 255 26 25.1 6.7 | 276 33 32.5 -3.6 22 250 10990 270 42 42.0 -0.0 | 282 50 49.4 -10.3 23 239 11278 270 42 42.0 -0.0 | 282 50 49.4 -10.3 24 218 11887 255 33 31.9 8.5 | 273 39 39.2 -1.8 25 200 12470 255 37 35.7 9.6 | 271 43 43.1 -0.8 26 190 12802 260 39 38.4 6.8 | 274 46 45.8 -3.6 27 156 14021 255 35 33.8 9.1 | 272 41 41.2 -1.3 28 150 14270 235 36 29.5 20.6 | 254 38 36.8 10.3 29 120 15545 230 37 28.3 23.8 | 249 38 35.7 13.5 30 114 15850 235 25 20.5 14.3 | 262 28 27.8 4.0 31 108 16154 185 15 1.3 14.9 | 242 10 8.7 4.6 32 100 16620 155 31 -13.1 28.1 | 162 19 -5.7 17.8 33 97 16764 155 31 -13.1 28.1 | 162 19 -5.7 17.8 34 79 17983 65 13 -11.8 -5.5 | 16 16 -4.4 -15.8 35 70 18640 220 7 4.5 5.4 | 293 13 11.9 -5.0 36 67 18898 195 7 1.8 6.8 | 291 10 9.2 -3.6 37 64 19202 300 29 25.1 -14.5 | 307 41 32.5 -24.8 38 50 20630 290 11 10.3 -3.8 | 309 23 17.7 -14.1 39 47 21031 320 14 9.0 -10.7 | 322 27 16.4 -21.1 40 43 21641 260 5 4.9 0.9 | 308 16 12.3 -9.5 41 40 21946 350 2 0.3 -2.0 | 328 15 7.7 -12.3 42 39 22250 360 8 -0.0 -8.0 | 338 20 7.4 -18.3 43 37 22555 35 8 -4.6 -6.6 | 351 17 2.8 -16.9 44 30 23810 70 8 -7.5 -2.7 | 1 13 -0.2 -13.1 45 24 25298 50 12 -9.2 -7.7 | 6 18 -1.8 -18.0 46 21 26213 100 26 -25.6 4.5 | 72 19 -18.2 -5.8 47 20 26410 95 25 -24.9 2.2 | 65 19 -17.5 -8.2 48 17 27127 85 26 -25.9 -2.3 | 56 22 -18.5 -12.6 49 8 30175 100 59 -58.1 10.2 | 90 51 -50.7 -0.1 Wind Parameters Mean winds (0-6000m): 114.5 at 16.9 knts Storm direction: 144.5 at 12.7 knts Shear (0-3000m) pos: 4.8 neg: 0.0 tot: 4.8 10-3/s Storm rel Dir Shear (0-3000m): 156.7 deg Storm rel helicity (0-3000m) pos: 218.7 neg: -0.4 tot: 218.3 m^2/s^2 ave: 72.8 10^-3 m/s^2 rel: 0.81 Storm rel vorticity (0-3000m) horiz: 10.0 stream: 8.1 10^-3/s Energy-Hel index: 2.52 Bulk Rich Number: 41.12 Bulk Shear: 67.08 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 ------------------------------------------------------------------------------- 500 219 11 277 15| 5.6 0.0 5.6| 9.1 -0.4 8.8 17.5 0.31| 7.0 2.1 1000 228 11 282 16| 6.3 0.0 6.3| 41.9 -0.4 41.5 41.5 0.55| 8.3 4.6 1500 250 10 292 18| 6.2 0.0 6.2|112.6 -0.4 112.3 74.8 0.74| 9.9 7.4 2000 262 10 298 19| 4.8 0.0 4.8|146.0 -0.4 145.6 72.8 0.76| 9.7 7.4 2500 284 10 307 21| 4.2 0.0 4.2|169.6 -0.4 169.3 67.7 0.79| 9.0 7.1 3000 93 11 23 11| 4.8 0.0 4.8|218.7 -0.4 218.3 72.8 0.81| 10.0 8.1 4000 102 15 44 10| 3.4 0.0 3.4|223.1 -1.0 222.1 55.5 0.78| 7.9 6.2 5000 108 17 58 10| 2.6 0.0 2.7|267.0 -5.2 261.8 52.4 0.78| 7.8 6.0 6000 115 17 68 9| 1.3 0.9 2.2|289.1 -12.2 276.9 46.1 0.53| 8.7 4.6 Wrote GIF file: /home/apache/climate/data/raob//DFFD/skewt/DFFD.skewt.20250430.12.gif