UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025072912.upa.cvt Date: 1200Z 29 JUL 25 Searching for DFFD... Searching the city database file for: DFFD ... Date:1200Z 29 JUL 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 120 SFC 979 306 30.2 25.2 75 5.0 26.4 280 6 305.2 309.1 300.2 368.4 21.04 2 974 352 28.4 22.4 70 6.0 24.0 278 6 303.8 307.1 298.1 356.7 17.78 3 967 417 27.8 21.8 70 6.0 23.4 275 7 303.9 307.0 297.7 355.2 17.25 4 925 814 24.2 20.7 81 3.5 21.7 285 5 304.1 307.2 297.5 354.2 16.84 5 884 1211 21.4 18.3 83 3.1 19.2 330 7 305.1 307.9 296.7 350.4 15.14 6 878 1270 20.8 17.9 83 2.9 18.8 332 7 305.1 307.9 296.5 349.5 14.86 7 850 1551 19.6 16.2 81 3.4 17.2 345 9 306.7 309.2 296.2 348.0 13.76 8 700 3200 11.4 0.4 47 11.0 5.4 40 6 315.1 316.2 292.5 332.9 5.63 9 689 3332 10.4 -0.6 46 11.0 4.5 32 7 315.4 316.4 292.3 332.3 5.32 10 668 3588 8.4 0.4 57 8.0 4.0 25 7 316.0 317.1 293.0 334.7 5.91 11 637 3979 6.0 -7.0 39 13.0 -0.2 17 7 317.6 318.3 291.5 329.1 3.55 12 600 4464 1.8 -5.2 60 7.0 -1.6 27 6 318.2 319.0 292.3 332.2 4.33 13 500 5910 -6.9 -8.8 86 1.9 -7.8 60 9 324.6 325.4 293.7 337.7 3.94 14 479 6244 -9.1 -10.3 91 1.2 -9.6 47 10 325.9 326.6 293.9 338.1 3.65 15 460 6557 -10.1 -12.7 81 2.6 -11.2 35 9 328.5 329.1 294.1 339.1 3.13 16 453 6676 -10.1 -14.4 71 4.3 -11.8 31 9 329.9 330.5 294.2 339.4 2.77 17 447 6779 -10.3 -15.3 67 5.0 -12.2 28 8 330.9 331.4 294.3 339.9 2.60 18 406 7517 -13.5 -28.5 27 15.0 -17.4 321 3 336.0 336.2 294.1 339.3 0.90 19 400 7630 -14.5 -28.5 29 14.0 -18.1 210 4 336.1 336.3 294.2 339.5 0.91 20 350 8623 -23.3 -31.3 48 8.0 -24.9 187 6 337.3 337.5 294.4 340.3 0.80 21 331 9029 -26.7 -35.7 42 9.0 -28.2 178 7 338.1 338.2 294.4 340.2 0.55 22 300 9730 -32.3 -36.9 64 4.6 -33.0 150 18 339.9 340.0 294.8 341.9 0.54 23 252 10936 -40.3 -42.9 76 2.6 -40.5 112 30 345.4 345.4 295.9 346.7 0.34 24 250 10990 -40.7 -43.1 78 2.4 -40.9 110 31 345.6 345.6 296.0 346.9 0.34 25 236 11382 -43.7 -47.6 65 3.9 -44.0 97 33 346.8 346.8 296.1 347.7 0.22 26 226 11673 -46.1 -49.6 68 3.5 -46.3 87 32 347.4 347.5 296.2 348.2 0.18 27 207 12255 -50.1 -56.1 49 6.0 -50.3 86 34 350.0 350.0 296.7 350.4 0.09 28 200 12480 -51.9 -56.9 55 5.0 -52.1 90 36 350.6 350.6 296.8 351.0 0.09 29 178 13220 -58.9 -62.5 63 3.6 -59.0 92 38 351.0 351.0 296.9 351.2 0.05 30 174 13362 -60.1 -64.2 59 4.1 -60.2 94 37 351.3 351.3 297.0 351.5 0.04 31 162 13803 -63.3 -66.5 65 3.2 -63.3 102 36 353.2 353.2 297.3 353.3 0.03 32 150 14270 -67.5 -72.1 52 4.6 -67.5 110 34 353.8 353.8 297.5 353.9 0.02 33 144 14514 -69.7 -74.7 48 5.0 -69.7 112 35 354.1 354.1 297.5 354.2 0.01 34 138 14766 -71.5 -75.4 56 3.9 -71.5 114 37 355.3 355.3 297.8 355.3 0.01 35 118 15678 -76.9 -81.5 48 4.6 -76.9 107 52 361.6 361.6 299.0 361.6 0.00 36 116 15776 -76.9 -81.5 48 4.6 -76.9 106 54 363.4 363.4 299.4 363.4 0.00 37 110 16081 -76.5 -81.1 48 4.6 -76.5 112 48 369.7 369.7 300.5 369.7 0.01 38 107 16240 -76.9 -81.9 45 5.0 -76.9 118 42 371.9 371.9 300.9 371.9 0.00 39 106 16294 -76.7 -81.7 45 5.0 -76.7 119 40 373.3 373.3 301.1 373.3 0.00 40 100 16630 -75.9 -80.9 45 5.0 -75.9 125 40 381.1 381.1 302.4 381.1 0.01 41 90 17247 -70.5 -77.5 35 7.0 -70.6 113 47 403.5 403.5 305.7 403.5 0.01 42 76 18234 -76.9 -84.9 27 8.0 -76.9 75 25 410.1 410.1 306.5 410.1 0.00 43 75 18310 -76.9 -84.9 27 8.0 -76.9 75 25 411.7 411.7 306.7 411.7 0.00 44 70 18710 -73.5 -82.5 24 9.0 -73.6 75 25 427.1 427.1 308.5 427.2 0.01 45 66 19055 -72.3 -81.3 25 9.0 -72.3 89 31 437.0 437.0 309.6 437.0 0.01 46 61 19516 -73.5 -84.5 17 11.0 -73.6 92 29 444.3 444.3 310.3 444.3 0.01 47 50 20700 -65.7 -87.7 3 22.0 -66.0 110 46 488.7 488.7 314.1 488.7 0.00 48 49 20823 -65.7 -87.7 3 22.0 -66.0 103 49 491.5 491.5 314.3 491.5 0.00 49 44 21481 -63.1 -86.1 3 23.0 -63.6 114 35 513.2 513.2 315.8 513.2 0.01 50 43 21623 -61.9 -84.9 3 23.0 -62.4 108 33 519.5 519.5 316.3 519.6 0.01 51 36 22714 -65.3 -85.3 5 20.0 -65.7 70 40 537.8 537.8 317.4 537.9 0.01 52 35 22885 -65.9 -85.9 5 20.0 -66.2 66 44 540.6 540.6 317.6 540.7 0.01 53 30 23830 -62.1 -85.1 3 23.0 -62.8 95 65 575.3 575.3 319.5 575.4 0.01 54 24 25241 -53.5 -77.5 4 24.0 -55.6 96 75 638.2 638.3 322.2 638.6 0.04 55 21 26104 -52.5 -76.5 4 24.0 -55.1 99 68 666.1 666.1 323.3 666.6 0.06 56 20 26420 -51.7 -75.7 4 24.0 -54.6 100 66 677.9 678.0 323.7 678.5 0.07 57 18 27107 -49.1 -74.1 4 25.0 -53.0 100 69 706.9 706.9 324.7 707.7 0.09 58 15 28308 -47.5 -72.5 4 25.0 -52.4 97 64 750.0 750.1 326.0 751.3 0.14 59 15 28308 -47.5 -72.5 4 25.0 -52.4 97 64 750.0 750.1 326.0 751.3 0.14 60 14 28765 -47.1 96 63 766.3 TRP 884 1211 21.4 18.3 83 3.1 19.2 330 7 305.1 307.9 296.7 350.4 15.14 WND Sounding variables and indices 1000-500 mb thick: 5790.00 m Freezing level: 579.31 mb = 4763.44 m = 15627.88 ft Wetbulb zero: 638.16 mb = 3963.54 m = 13003.58 ft Precipitable water: 1.89 inches Sfc-500 mean rel hum: 66.05 % Est. max temperature: 32.75 C = 90.96 F Sfc-Lift cond lev (LCL): 911.14 mb = 946.07 m = 3103.86 ft T: 23.27 C 700-500 lapse rate: 6.75 C/km ThetaE index: 36.06 C Layer 974.0- 668.0 mb Conv cond level (CCL): 835.94 mb = 1692.69 m = 5553.37 ft Mean mixing ratio: 16.64 g/kg Conv temperature: 32.40 C = 90.31 F Cap Strength: 0.99 C Lifted Index: -5.34 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -6.01 C Lifted Index @700 mb: -0.22 C Showalter Index: -3.23 C Risk: Severe thunderstorms possible Total Totals Index: 49.60 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.50 C Cross Totals Index: 23.10 C K Index: 31.70 Risk: 60-80 % chance of thunderstorms Sweat Index: 233.40 Risk: None Energy Index: -2.08 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1558.76 J/kg Max Up Vert Vel: 55.83 m/s Conv Inhibition (B-): 33.58 J/kg Cap Strength: 0.99 C Lift Cond Lev (LCL): 873.86 mb = 1310.99 m = 4301.10 ft Lev Free Conv (LFC): 728.86 mb = 2856.91 m = 9372.94 ft Equ Level (EL): 148.86 mb = 14315.81 m = 46967.30 ft B at Equ Level: 1558.37 J/kg Max Parcel Lev (MPL): 88.86 mb = 17321.42 m = 56828.12 ft Wind level data Storm motion: 56 at 6 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 ---------------------------------------------------------- 0 979 306 280 6 5.9 -1.0 | 259 11 10.6 2.1 1 946 610 265 8 8.0 0.7 | 253 13 12.7 3.9 2 925 814 285 5 4.8 -1.3 | 259 10 9.5 1.9 3 914 914 305 5 4.1 -2.9 | 268 9 8.8 0.3 4 884 1211 330 7 3.5 -6.1 | 289 9 8.2 -2.9 5 883 1219 330 7 3.5 -6.1 | 289 9 8.2 -2.9 6 853 1524 345 9 2.3 -8.7 | 308 9 7.0 -5.5 7 850 1551 345 9 2.3 -8.7 | 308 9 7.0 -5.5 8 823 1829 5 9 -0.8 -9.0 | 326 7 3.9 -5.8 9 794 2134 30 11 -5.5 -9.5 | 7 6 -0.8 -6.4 10 739 2743 30 11 -5.5 -9.5 | 7 6 -0.8 -6.4 11 713 3048 60 5 -4.3 -2.5 | 210 1 0.4 0.7 12 700 3200 40 6 -3.9 -4.6 | 329 2 0.9 -1.4 13 687 3353 30 7 -3.5 -6.1 | 337 3 1.2 -2.9 14 613 4267 10 7 -1.2 -6.9 | 317 5 3.5 -3.7 15 590 4572 40 6 -3.9 -4.6 | 329 2 0.9 -1.4 16 547 5182 135 6 -4.2 4.2 | 184 7 0.5 7.4 17 527 5486 105 5 -4.8 1.3 | 178 4 -0.1 4.5 18 500 5910 60 9 -7.8 -4.5 | 66 3 -3.1 -1.3 19 469 6401 40 10 -6.4 -7.7 | 21 5 -1.7 -4.5 20 417 7315 10 6 -1.0 -5.9 | 307 5 3.7 -2.8 21 401 7620 295 1 0.9 -0.4 | 244 6 5.6 2.7 22 400 7630 210 4 2.0 3.5 | 225 9 6.7 6.6 23 325 9144 175 7 -0.6 7.0 | 202 11 4.1 10.1 24 300 9730 150 18 -9.0 15.6 | 167 19 -4.3 18.7 25 286 10058 140 20 -12.9 15.3 | 156 20 -8.1 18.5 26 250 10990 110 31 -29.1 10.6 | 119 28 -24.4 13.8 27 239 11278 100 33 -32.5 5.7 | 108 29 -27.8 8.9 28 219 11887 80 32 -31.5 -5.6 | 85 27 -26.8 -2.4 29 200 12480 90 36 -36.0 0.0 | 96 31 -31.3 3.2 30 181 13106 90 38 -38.0 0.0 | 95 33 -33.3 3.2 31 150 14270 110 34 -31.9 11.6 | 118 31 -27.2 14.8 32 134 14935 115 38 -34.4 16.1 | 123 35 -29.7 19.2 33 114 15850 105 56 -54.1 14.5 | 110 52 -49.4 17.7 34 103 16459 125 34 -27.9 19.5 | 134 32 -23.1 22.7 35 100 16630 125 40 -32.8 22.9 | 133 38 -28.1 26.1 36 98 16764 125 40 -32.8 22.9 | 133 38 -28.1 26.1 37 88 17374 110 49 -46.0 16.8 | 116 46 -41.3 19.9 38 84 17678 75 26 -25.1 -6.7 | 80 21 -20.4 -3.6 39 70 18710 75 25 -24.1 -6.5 | 80 20 -19.4 -3.3 40 64 19202 95 34 -33.9 3.0 | 102 30 -29.2 6.1 41 58 19812 90 25 -25.0 0.0 | 99 21 -20.3 3.2 42 52 20422 105 42 -40.6 10.9 | 111 39 -35.9 14.0 43 50 20700 110 46 -43.2 15.7 | 116 43 -38.5 18.9 44 50 20726 100 51 -50.2 8.9 | 105 47 -45.5 12.0 45 45 21336 120 38 -32.9 19.0 | 128 36 -28.2 22.2 46 41 21946 95 27 -26.9 2.4 | 104 23 -22.2 5.5 47 35 22860 65 43 -39.0 -18.2 | 66 37 -34.3 -15.0 48 30 23830 95 65 -64.8 5.7 | 98 61 -60.0 8.8 49 28 24384 100 62 -61.1 10.8 | 104 58 -56.3 13.9 50 25 24994 95 77 -76.7 6.7 | 98 73 -72.0 9.9 51 20 26420 100 66 -65.0 11.5 | 104 62 -60.3 14.6 52 19 26518 100 72 -70.9 12.5 | 103 68 -66.2 15.7 53 17 27127 100 67 -66.0 11.6 | 104 63 -61.3 14.8 54 11 28651 90 57 -57.0 0.0 | 93 52 -52.3 3.2 Wind Parameters Mean winds (0-6000m): 26.2 at 7.6 knts Storm direction: 56.2 at 5.7 knts Shear (0-3000m) pos: 2.3 neg: 0.5 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): 77.9 deg Storm rel helicity (0-3000m) pos: 36.9 neg: -3.8 tot: 33.1 m^2/s^2 ave: 11.0 10^-3 m/s^2 rel: 0.53 Storm rel vorticity (0-3000m) horiz: 5.5 stream: 2.9 10^-3/s Energy-Hel index: 0.34 Bulk Rich Number: 80.53 Bulk Shear: 19.36 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 ------------------------------------------------------------------------------- 500 272 7 256 12| 1.0 0.0 1.0| 3.7 -3.8 -0.1 -0.2 -0.00| 6.4 -0.0 1000 293 6 267 11| 3.3 0.0 3.3| 16.8 -3.8 13.1 13.1 0.46| 6.3 2.9 1500 317 7 282 10| 3.5 0.0 3.5| 26.6 -3.8 22.8 15.2 0.58| 5.9 3.4 2000 340 8 300 9| 3.7 0.0 3.7| 35.3 -3.8 31.5 15.7 0.67| 5.7 3.8 2500 355 9 315 8| 2.8 0.0 2.8| 36.1 -3.8 32.3 12.9 0.65| 4.9 3.2 3000 3 8 320 7| 2.3 0.5 2.9| 36.9 -3.8 33.1 11.0 0.53| 5.5 2.9 4000 8 8 322 6| 1.7 0.6 2.3| 37.0 -5.2 31.8 7.9 0.45| 4.5 2.0 5000 16 8 327 5| 1.5 0.4 2.0| 41.6 -5.8 35.9 7.2 0.45| 5.1 2.3 6000 26 8 339 4| 1.3 0.8 2.1| 41.6 -14.2 27.4 4.6 0.21| 5.2 1.1 Wrote GIF file: /home/apache/climate/data/raob//DFFD/skewt/DFFD.skewt.20250729.12.gif