UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025072712.upa.cvt Date: 1200Z 27 JUL 25 Searching for DFFD... Searching the city database file for: DFFD ... Date:1200Z 27 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 127 SFC 980 306 28.4 23.5 75 4.9 24.7 200 12 303.3 306.8 298.6 359.5 18.92 2 968 416 25.8 21.6 78 4.2 22.8 209 12 301.7 304.9 297.0 351.9 17.02 3 925 816 21.4 20.2 93 1.2 20.6 210 12 301.2 304.2 296.4 349.2 16.32 4 921 854 21.4 20.0 92 1.4 20.4 206 12 301.6 304.5 296.5 349.3 16.19 5 900 1054 20.0 18.6 92 1.4 19.0 200 13 302.1 304.9 295.9 346.9 15.16 6 886 1190 21.0 17.9 82 3.1 18.8 200 14 304.5 307.2 296.3 348.4 14.72 7 872 1328 20.0 16.7 81 3.3 17.7 195 11 304.9 307.4 295.8 346.2 13.85 8 850 1549 18.8 15.4 81 3.4 16.5 160 9 305.8 308.3 295.5 345.0 13.06 9 717 2994 11.4 6.4 71 5.0 8.3 114 29 313.0 314.6 294.1 339.1 8.44 10 707 3112 11.4 5.4 67 6.0 7.8 115 30 314.2 315.7 294.1 339.1 7.98 11 700 3195 10.8 4.8 66 6.0 7.2 115 31 314.4 315.9 294.0 338.6 7.73 12 600 4461 2.2 -0.3 84 2.5 0.8 110 29 318.7 319.9 294.0 338.7 6.25 13 554 5101 -2.1 -3.3 91 1.2 -2.7 122 29 320.9 322.0 293.9 338.5 5.42 14 510 5755 -5.5 -8.1 82 2.6 -6.7 103 31 324.5 325.3 293.8 338.0 4.08 15 500 5910 -6.7 -8.9 84 2.2 -7.7 95 31 324.9 325.6 293.8 337.9 3.90 16 497 5957 -6.9 -9.5 82 2.6 -8.1 95 31 325.2 325.9 293.7 337.7 3.75 17 453 6674 -10.7 -19.7 48 9.0 -13.7 101 27 329.2 329.5 293.2 335.4 1.77 18 433 7019 -12.3 -15.0 80 2.7 -13.3 104 25 331.4 332.0 294.6 340.9 2.76 19 400 7620 -16.1 -21.1 65 5.0 -17.7 110 21 334.1 334.4 294.4 340.4 1.78 20 365 8306 -19.7 -35.7 23 16.0 -22.8 110 18 338.1 338.2 294.3 340.0 0.50 21 329 9072 -24.1 -61.1 2 37.0 -27.3 96 18 342.3 342.3 294.9 342.4 0.03 22 300 9740 -29.1 -64.1 2 35.0 -31.5 65 23 344.4 344.4 295.4 344.5 0.02 23 250 11010 -39.7 -71.7 2 32.0 -40.8 75 26 347.0 347.0 296.0 347.1 0.01 24 206 12307 -49.7 -69.7 8 20.0 -50.1 68 21 351.1 351.1 296.9 351.2 0.02 25 200 12500 -51.3 -70.3 9 19.0 -51.7 65 19 351.5 351.5 297.0 351.6 0.01 26 151 14260 -66.7 -71.7 49 5.0 -66.7 89 26 354.5 354.5 297.6 354.6 0.02 27 150 14300 -67.1 -72.1 49 5.0 -67.1 90 26 354.5 354.5 297.6 354.6 0.02 28 128 15239 -74.7 -80.7 39 6.0 -74.7 80 30 357.3 357.3 298.1 357.3 0.00 29 123 15469 -75.9 -80.9 45 5.0 -75.9 84 32 359.2 359.2 298.5 359.2 0.00 30 114 15905 -78.5 -83.5 44 5.0 -78.5 94 36 362.2 362.2 299.1 362.2 0.00 31 113 15955 -78.7 -83.7 44 5.0 -78.7 95 36 362.8 362.8 299.2 362.8 0.00 32 107 16266 -78.5 -82.4 53 3.9 -78.5 102 39 368.9 368.9 300.4 368.9 0.00 33 102 16538 -79.3 -84.1 45 4.8 -79.3 108 42 372.4 372.4 301.0 372.4 0.00 34 100 16650 -79.3 -84.1 45 4.8 -79.3 110 43 374.5 374.5 301.4 374.5 0.00 35 94 17002 -77.1 -83.1 38 6.0 -77.1 104 50 385.5 385.5 303.1 385.5 0.00 36 83 17730 -68.5 -77.5 26 9.0 -68.6 113 38 417.0 417.0 307.4 417.1 0.01 37 70 18740 -72.1 -88.1 7 16.0 -72.2 45 25 430.1 430.1 308.9 430.1 0.00 38 64 19267 -70.9 -91.9 3 21.0 -71.0 62 31 443.9 443.9 310.3 443.9 0.00 39 61 19550 -71.1 -91.1 4 20.0 -71.2 72 34 449.6 449.6 310.8 449.6 0.00 40 60 19648 -71.3 -91.3 4 20.0 -71.4 75 36 451.3 451.3 311.0 451.3 0.00 41 56 20055 -70.5 -91.5 3 21.0 -70.6 88 40 462.1 462.1 312.0 462.1 0.00 42 51 20611 -68.5 -89.5 3 21.0 -68.7 82 40 479.3 479.3 313.4 479.4 0.00 43 50 20730 -67.5 -89.5 3 22.0 -67.7 80 40 484.4 484.4 313.8 484.4 0.00 44 42 21793 -64.1 -85.1 4 21.0 -64.5 85 44 517.6 517.6 316.1 517.6 0.01 45 39 22250 -62.5 -84.5 4 22.0 -63.0 88 46 532.7 532.7 317.1 532.8 0.01 46 36 22746 -61.7 -83.7 4 22.0 -62.3 92 48 547.1 547.2 317.9 547.2 0.01 47 35 22921 -60.5 -82.5 4 22.0 -61.2 93 49 554.7 554.7 318.3 554.8 0.01 48 33 23290 -59.7 -81.7 4 22.0 -60.6 96 51 566.2 566.2 319.0 566.3 0.02 49 30 23890 -57.5 -80.5 4 23.0 -58.7 100 54 587.9 587.9 320.0 588.0 0.02 50 29 24104 -57.3 -80.3 4 23.0 -58.5 100 54 594.2 594.2 320.3 594.3 0.02 51 25 25045 -56.1 -78.1 5 22.0 -57.7 104 59 623.4 623.4 321.6 623.6 0.04 52 23 25578 -53.9 -76.9 4 23.0 -56.0 110 37 644.9 644.9 322.5 645.3 0.05 53 20 26480 -51.9 -73.9 5 22.0 -54.7 90 71 677.3 677.3 323.7 678.0 0.09 54 15 28338 -53.5 -74.5 6 21.0 -56.5 81 49 730.1 730.1 325.4 731.0 0.11 55 15 28338 -53.5 -73.5 7 20.0 -56.5 81 49 730.1 730.1 325.4 731.2 0.12 56 13 29262 -51.9 -72.9 6 21.0 -55.6 83 61 766.1 766.2 326.4 767.6 0.15 57 11 30351 -49.3 -70.3 7 21.0 -54.4 86 75 813.1 813.2 327.6 815.7 0.27 58 10 30977 -48.1 -70.1 6 22.0 -53.9 88 83 840.0 840.2 328.2 843.2 0.30 59 10 30977 -48.3 -71.3 5 23.0 -54.2 88 83 839.3 839.4 328.2 841.9 0.25 TRP 872 1328 20.0 16.7 81 3.3 17.7 195 11 304.9 307.4 295.8 346.2 13.85 WND Sounding variables and indices 1000-500 mb thick: 5783.00 m Freezing level: 576.47 mb = 4788.10 m = 15708.81 ft Wetbulb zero: 589.19 mb = 4606.64 m = 15113.46 ft Precipitable water: 2.02 inches Sfc-500 mean rel hum: 80.21 % Est. max temperature: 31.92 C = 89.46 F Sfc-Lift cond lev (LCL): 913.08 mb = 928.68 m = 3046.82 ft T: 20.88 C 700-500 lapse rate: 6.45 C/km ThetaE index: 10.33 C Layer 968.0- 921.0 mb Conv cond level (CCL): 848.44 mb = 1564.59 m = 5133.09 ft Mean mixing ratio: 16.20 g/kg Conv temperature: 31.00 C = 87.80 F Cap Strength: 1.76 C Lifted Index: -3.76 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -0.76 C Lifted Index @700 mb: 0.20 C Showalter Index: -1.92 C Risk: Thunderstorms probable Total Totals Index: 47.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.50 C Cross Totals Index: 22.10 C K Index: 34.90 Risk: 60-80 % chance of thunderstorms Sweat Index: 233.80 Risk: None Energy Index: -1.44 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 615.38 J/kg Max Up Vert Vel: 35.08 m/s Conv Inhibition (B-): 44.14 J/kg Cap Strength: 1.74 C Lift Cond Lev (LCL): 895.74 mb = 1095.17 m = 3593.03 ft Lev Free Conv (LFC): 720.74 mb = 2949.84 m = 9677.84 ft Equ Level (EL): 710.74 mb = 3067.50 m = 10063.86 ft B at Equ Level: 10.93 J/kg Max Parcel Lev (MPL): 110.74 mb = 16070.02 m = 52722.51 ft Wind level data Storm motion: 149 at 17 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 ---------------------------------------------------------- 0 980 306 200 12 4.1 11.3 | 285 13 13.0 -3.4 1 947 610 225 12 8.5 8.5 | 290 18 17.4 -6.2 2 925 816 210 12 6.0 10.4 | 286 15 14.9 -4.3 3 915 914 200 12 4.1 11.3 | 285 13 13.0 -3.4 4 883 1219 200 14 4.8 13.2 | 277 14 13.7 -1.6 5 872 1328 195 11 2.8 10.6 | 289 12 11.7 -4.1 6 852 1524 135 7 -4.9 4.9 | 338 11 3.9 -9.8 7 850 1549 160 9 -3.1 8.5 | 317 9 5.8 -6.3 8 793 2134 110 19 -17.9 6.5 | 48 12 -9.0 -8.2 9 700 3195 115 31 -28.1 13.1 | 85 19 -19.2 -1.6 10 686 3353 115 26 -23.6 11.0 | 76 15 -14.7 -3.7 11 661 3658 120 20 -17.3 10.0 | 61 10 -8.4 -4.7 12 613 4267 110 28 -26.3 9.6 | 74 18 -17.4 -5.1 13 590 4572 110 30 -28.2 10.3 | 77 20 -19.3 -4.5 14 568 4877 125 29 -23.8 16.6 | 97 15 -14.9 1.9 15 527 5486 115 30 -27.2 12.7 | 84 18 -18.3 -2.0 16 500 5910 95 31 -30.9 2.7 | 61 25 -22.0 -12.0 17 488 6096 95 31 -30.9 2.7 | 61 25 -22.0 -12.0 18 400 7620 110 21 -19.7 7.2 | 55 13 -10.9 -7.5 19 384 7925 110 20 -18.8 6.8 | 52 13 -9.9 -7.9 20 339 8839 110 15 -14.1 5.1 | 29 11 -5.2 -9.6 21 312 9449 70 24 -22.6 -8.2 | 31 27 -13.7 -22.9 22 300 9740 65 23 -20.8 -9.7 | 26 27 -12.0 -24.4 23 263 10668 60 28 -24.2 -14.0 | 28 33 -15.4 -28.7 24 250 11010 75 26 -25.1 -6.7 | 37 27 -16.2 -21.5 25 229 11582 80 27 -26.6 -4.7 | 42 26 -17.7 -19.4 26 200 12500 65 19 -17.2 -8.0 | 20 24 -8.3 -22.8 27 191 12802 60 18 -15.6 -9.0 | 16 25 -6.7 -23.7 28 150 14300 90 26 -26.0 0.0 | 49 23 -17.1 -14.7 29 142 14630 90 26 -26.0 0.0 | 49 23 -17.1 -14.7 30 128 15240 80 30 -29.5 -5.2 | 46 29 -20.7 -19.9 31 100 16650 110 43 -40.4 14.7 | 90 32 -31.5 -0.0 32 98 16764 110 43 -40.4 14.7 | 90 32 -31.5 -0.0 33 88 17374 95 60 -59.8 5.2 | 79 52 -50.9 -9.5 34 80 17983 125 24 -19.7 13.8 | 85 11 -10.8 -1.0 35 76 18288 45 3 -2.1 -2.1 | 338 18 6.8 -16.8 36 70 18740 45 25 -17.7 -17.7 | 15 34 -8.8 -32.4 37 55 20117 90 41 -41.0 0.0 | 65 35 -32.1 -14.7 38 50 20730 80 40 -39.4 -6.9 | 55 37 -30.5 -21.7 39 48 21031 80 40 -39.4 -6.9 | 55 37 -30.5 -21.7 40 37 22555 90 47 -47.0 0.0 | 69 41 -38.1 -14.7 41 30 23890 100 54 -53.2 9.4 | 83 45 -44.3 -5.3 42 28 24384 100 53 -52.2 9.2 | 83 44 -43.3 -5.5 43 24 25298 105 61 -58.9 15.8 | 91 50 -50.0 1.1 44 23 25603 110 36 -33.8 12.3 | 84 25 -24.9 -2.4 45 22 25908 100 77 -75.8 13.4 | 89 67 -67.0 -1.4 46 20 26480 90 71 -71.0 0.0 | 77 64 -62.1 -14.7 47 18 26822 90 71 -71.0 0.0 | 77 64 -62.1 -14.7 48 15 27432 80 46 -45.3 -8.0 | 58 43 -36.4 -22.7 49 9 29566 90 94 -94.0 0.0 | 80 86 -85.1 -14.7 Wind Parameters Mean winds (0-6000m): 118.9 at 22.9 knts Storm direction: 148.9 at 17.2 knts Shear (0-3000m) pos: 0.8 neg: 4.4 tot: 5.2 10-3/s Storm rel Dir Shear (0-3000m): 154.2 deg Storm rel helicity (0-3000m) pos: 88.0 neg: -25.7 tot: 62.3 m^2/s^2 ave: 20.8 10^-3 m/s^2 rel: 0.41 Storm rel vorticity (0-3000m) horiz: 9.8 stream: 4.0 10^-3/s Energy-Hel index: 0.21 Bulk Rich Number: 6.42 Bulk Shear: 95.83 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 ------------------------------------------------------------------------------- 500 215 12 287 16| 2.3 0.0 2.3| 5.9 -4.5 1.5 2.9 0.05| 8.3 0.4 1000 207 12 284 15| 1.2 1.6 2.7| 13.5 -12.7 0.8 0.8 0.02| 7.5 0.2 1500 194 12 286 12| 0.8 5.2 5.9| 41.3 -17.6 23.6 15.8 0.32| 11.3 3.6 2000 167 13 288 6| 0.6 6.7 7.2| 55.8 -17.6 38.2 19.1 0.40| 11.4 4.5 2500 146 15 348 2| 0.7 5.3 6.0| 73.9 -17.6 56.2 22.5 0.45| 10.3 4.6 3000 135 18 58 4| 0.8 4.4 5.2| 88.0 -25.7 62.3 20.8 0.41| 9.8 4.0 4000 127 19 65 7| 0.4 4.2 4.6| 96.9 -38.0 58.8 14.7 0.31| 9.4 2.9 5000 124 21 73 9| 0.9 3.5 4.4|129.0 -49.3 79.7 15.9 0.31| 8.8 2.8 6000 119 23 72 12| 0.7 3.4 4.2|129.7-102.8 27.0 4.5 0.17| 8.5 1.5 Wrote GIF file: /home/apache/climate/data/raob//DFFD/skewt/DFFD.skewt.20250727.12.gif