UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041512.upa.cvt Date: 1200Z 15 APR 25 Searching for DFFD... Searching the city database file for: DFFD ... Date:1200Z 15 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 83 SFC 976 306 35.6 20.6 42 15.0 24.6 220 4 310.9 313.9 298.6 359.4 15.84 2 970 362 33.2 16.2 36 17.0 21.4 226 4 309.0 311.3 295.6 345.6 12.02 3 964 418 32.6 17.6 41 15.0 22.0 233 4 309.0 311.5 296.4 349.2 13.25 4 925 789 29.2 18.2 52 11.0 21.3 260 9 309.2 311.9 297.3 352.8 14.36 5 887 1161 25.8 16.8 58 9.0 19.5 245 13 309.4 312.0 296.8 351.0 13.70 6 850 1535 23.4 14.4 57 9.0 17.2 240 11 310.7 313.0 296.2 348.0 12.23 7 830 1742 21.4 13.4 60 8.0 16.0 233 10 310.7 312.9 295.8 346.5 11.72 8 810 1953 20.0 11.0 56 9.0 14.1 213 9 311.4 313.3 295.0 342.8 10.23 9 773 2354 17.6 -0.4 29 18.0 7.8 148 8 313.0 313.9 291.2 328.1 4.81 10 767 2420 17.6 -5.4 20 23.0 6.2 137 8 313.7 314.3 290.1 324.4 3.33 11 726 2887 14.0 -18.0 9 32.0 1.7 68 8 314.7 314.9 288.4 319.0 1.28 12 700 3193 11.4 -16.6 12 28.0 0.5 40 9 315.1 315.4 288.8 320.1 1.49 13 654 3755 6.6 -4.4 45 11.0 1.1 41 15 315.9 316.7 291.5 329.4 4.22 14 627 4099 3.8 -8.2 41 12.0 -1.6 47 18 316.5 317.1 290.9 327.2 3.29 15 616 4243 4.6 -21.4 13 26.0 -4.3 49 19 319.0 319.2 289.6 322.9 1.12 16 611 4310 4.8 -17.2 19 22.0 -3.5 51 19 320.0 320.3 290.4 325.5 1.62 17 600 4458 4.2 -6.8 45 11.0 -1.1 56 18 321.0 321.7 292.7 333.5 3.83 18 506 5817 -6.3 -9.1 80 2.8 -7.5 50 6 324.3 325.0 293.6 336.9 3.80 19 500 5910 -6.7 -10.0 77 3.3 -8.1 45 5 324.9 325.6 293.5 336.8 3.58 20 462 6525 -9.3 -15.3 62 6.0 -11.6 84 3 329.1 329.6 293.7 337.7 2.52 21 400 7630 -13.9 -34.9 15 21.0 -18.4 355 9 336.9 337.0 294.0 338.8 0.49 22 300 9730 -31.5 -35.0 71 3.5 -32.0 305 15 341.0 341.1 295.1 343.5 0.65 23 279 10242 -35.5 -37.7 80 2.2 -35.8 301 14 342.4 342.5 295.4 344.4 0.53 24 252 10946 -40.5 -44.1 68 3.6 -40.8 295 13 345.1 345.1 295.8 346.3 0.30 25 250 11000 -41.1 -44.6 69 3.5 -41.4 295 13 345.0 345.0 295.8 346.1 0.29 26 239 11305 -43.9 -47.0 71 3.1 -44.1 298 18 345.2 345.3 295.8 346.2 0.23 27 200 12480 -52.7 -62.7 29 10.0 -52.9 290 23 349.3 349.3 296.5 349.5 0.04 28 165 13683 -63.3 -74.3 21 11.0 -63.4 278 23 351.3 351.3 296.9 351.4 0.01 29 150 14260 -67.1 -76.1 27 9.0 -67.2 270 21 354.5 354.5 297.6 354.5 0.01 30 136 14845 -71.9 -79.9 29 8.0 -71.9 260 20 356.1 356.1 297.9 356.1 0.00 31 112 15968 -79.5 -87.5 25 8.0 -79.5 239 17 362.2 362.2 299.1 362.2 0.00 32 111 16019 -79.7 -87.7 25 8.0 -79.7 238 16 362.7 362.7 299.2 362.8 0.00 33 108 16174 -79.7 -87.7 25 8.0 -79.7 233 16 365.6 365.6 299.8 365.6 0.00 34 104 16388 -79.9 -87.9 25 8.0 -79.9 182 11 369.2 369.2 300.4 369.2 0.00 35 100 16610 -79.5 -87.5 25 8.0 -79.5 130 6 374.1 374.1 301.3 374.1 0.00 36 80 17882 -76.7 -83.7 32 7.0 -76.7 55 2 404.5 404.5 305.8 404.6 0.00 37 70 18650 -75.9 -83.9 27 8.0 -75.9 270 22 422.0 422.0 307.9 422.0 0.00 38 68 18817 -75.7 -83.7 27 8.0 -75.7 285 20 426.0 426.0 308.4 426.0 0.01 39 66 18989 -75.7 -82.7 32 7.0 -75.7 300 18 429.6 429.6 308.8 429.6 0.01 40 61 19445 -74.5 -81.5 33 7.0 -74.6 340 14 442.1 442.1 310.1 442.1 0.01 41 55 20048 -73.5 -82.5 24 9.0 -73.6 23 9 457.6 457.6 311.5 457.7 0.01 42 52 20378 -70.7 -78.7 30 8.0 -70.8 21 7 471.6 471.6 312.8 471.7 0.02 43 51 20493 -70.3 -78.3 30 8.0 -70.4 21 7 475.1 475.1 313.1 475.2 0.02 44 50 20610 -70.5 -79.5 25 9.0 -70.6 20 6 477.4 477.4 313.2 477.4 0.01 45 42 21662 -66.1 -76.1 23 10.0 -66.4 216 9 512.7 512.7 315.8 512.8 0.03 46 31 23552 -57.3 -80.3 4 23.0 -58.5 272 13 582.9 582.9 319.8 583.1 0.02 47 30 23760 -57.3 -80.3 4 23.0 -58.5 230 16 588.4 588.4 320.1 588.6 0.02 48 25 24928 -51.5 -77.5 3 26.0 -54.0 329 16 636.6 636.6 322.2 636.9 0.04 49 23 25472 -49.7 -74.7 4 25.0 -52.8 13 20 657.2 657.3 323.0 657.8 0.07 50 20 26380 -52.9 -75.9 5 23.0 -55.5 85 26 674.3 674.3 323.6 674.8 0.06 51 20 26380 -52.9 -75.9 5 23.0 -55.5 85 26 674.3 674.3 323.6 674.8 0.06 52 19 26711 -52.7 -76.7 4 24.0 -55.5 88 28 684.8 684.9 324.0 685.3 0.06 53 18 27060 -52.9 -75.9 5 23.0 -55.7 91 29 694.9 694.9 324.3 695.5 0.07 54 17 27428 -53.3 94 31 705.0 TRP 887 1161 25.8 16.8 58 9.0 19.5 245 13 309.4 312.0 296.8 351.0 13.70 WND Sounding variables and indices 1000-500 mb thick: 5827.00 m Freezing level: 562.40 mb = 5001.25 m = 16408.10 ft Wetbulb zero: 642.89 mb = 3895.13 m = 12779.13 ft Precipitable water: 1.42 inches Sfc-500 mean rel hum: 44.70 % Est. max temperature: 35.51 C = 95.91 F Sfc-Lift cond lev (LCL): 787.09 mb = 2198.73 m = 7213.61 ft T: 18.53 C 700-500 lapse rate: 6.66 C/km ThetaE index: 33.81 C Layer 887.0- 700.0 mb Conv cond level (CCL): 723.36 mb = 2917.31 m = 9571.11 ft Mean mixing ratio: 13.79 g/kg Conv temperature: 39.41 C = 102.93 F Cap Strength: 3.28 C Lifted Index: -4.20 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -3.75 C Lifted Index @700 mb: 0.48 C Showalter Index: -3.03 C Risk: Severe thunderstorms possible Total Totals Index: 51.20 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 30.10 C Cross Totals Index: 21.10 C K Index: 16.50 Risk: < 20 % chance of thunderstorms Sweat Index: 243.80 Risk: None Energy Index: -2.20 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 925.68 J/kg Max Up Vert Vel: 43.03 m/s Conv Inhibition (B-): 126.66 J/kg Cap Strength: 3.15 C Lift Cond Lev (LCL): 780.50 mb = 2270.79 m = 7450.00 ft Lev Free Conv (LFC): 685.50 mb = 3366.11 m = 11043.53 ft Equ Level (EL): 165.50 mb = 13664.22 m = 44829.59 ft B at Equ Level: 918.94 J/kg Max Parcel Lev (MPL): 95.50 mb = 16872.14 m = 55354.11 ft Wind level data Storm motion: 81 at 8 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 ---------------------------------------------------------- 0 976 306 220 4 2.6 3.1 | 247 11 10.4 4.3 1 944 610 255 5 4.8 1.3 | 258 13 12.6 2.6 2 925 789 260 9 8.9 1.6 | 260 17 16.7 2.8 3 912 914 255 11 10.6 2.8 | 257 19 18.4 4.1 4 887 1161 245 13 11.8 5.5 | 251 21 19.6 6.8 5 881 1219 245 11 10.0 4.6 | 252 19 17.8 5.9 6 850 1535 240 11 9.5 5.5 | 249 19 17.3 6.8 7 821 1829 230 10 7.7 6.4 | 244 17 15.5 7.7 8 792 2134 185 8 0.7 8.0 | 223 13 8.5 9.3 9 738 2743 80 7 -6.9 -1.2 | 266 1 0.9 0.1 10 700 3193 40 9 -5.8 -6.9 | 340 6 2.0 -5.6 11 686 3353 35 12 -6.9 -9.8 | 354 9 0.9 -8.5 12 613 4267 50 19 -14.6 -12.2 | 32 13 -6.7 -10.9 13 590 4572 60 17 -14.7 -8.5 | 44 10 -6.9 -7.2 14 568 4877 40 12 -7.7 -9.2 | 359 8 0.1 -7.9 15 527 5486 65 11 -10.0 -4.6 | 33 4 -2.2 -3.4 16 500 5910 45 5 -3.5 -3.5 | 298 5 4.3 -2.3 17 433 7010 115 2 -1.8 0.8 | 250 6 6.0 2.1 18 417 7315 130 3 -2.3 1.9 | 240 6 5.5 3.2 19 401 7620 360 6 -0.0 -6.0 | 301 9 7.8 -4.7 20 400 7630 355 9 0.8 -9.0 | 312 12 8.6 -7.7 21 384 7925 360 8 -0.0 -8.0 | 311 10 7.8 -6.7 22 300 9730 305 15 12.3 -8.6 | 290 21 20.1 -7.3 23 251 10973 295 13 11.8 -5.5 | 282 20 19.6 -4.2 24 250 11000 295 13 11.8 -5.5 | 282 20 19.6 -4.2 25 219 11887 305 28 22.9 -16.1 | 296 34 30.7 -14.8 26 200 12480 290 23 21.6 -7.9 | 283 30 29.4 -6.6 27 199 12497 300 21 18.2 -10.5 | 290 28 26.0 -9.2 28 190 12802 290 27 25.4 -9.2 | 283 34 33.2 -8.0 29 150 14260 270 21 21.0 -0.0 | 267 29 28.8 1.3 30 108 16154 235 16 13.1 9.2 | 243 23 20.9 10.5 31 100 16610 130 6 -4.6 3.9 | 212 6 3.2 5.1 32 97 16764 130 6 -4.6 3.9 | 212 6 3.2 5.1 33 83 17678 0 0 -0.0 -0.0 | 261 8 7.8 1.3 34 75 18288 160 5 -1.7 4.7 | 226 9 6.1 6.0 35 70 18650 270 22 22.0 -0.0 | 268 30 29.8 1.3 36 60 19507 345 13 3.4 -12.6 | 315 16 11.2 -11.3 37 57 19812 25 10 -4.2 -9.1 | 335 9 3.6 -7.8 38 50 20610 20 6 -2.1 -5.6 | 307 7 5.8 -4.4 39 47 21031 0 0 -0.0 -0.0 | 261 8 7.8 1.3 40 44 21336 205 5 2.1 4.5 | 240 12 9.9 5.8 41 36 22555 245 18 16.3 7.6 | 250 26 24.1 8.9 42 33 23165 245 10 9.1 4.2 | 252 18 16.9 5.5 43 31 23470 290 12 11.3 -4.1 | 278 19 19.1 -2.8 44 30 23760 230 16 12.3 10.3 | 240 23 20.1 11.6 45 29 24079 230 16 12.3 10.3 | 240 23 20.1 11.6 46 27 24384 285 12 11.6 -3.1 | 275 19 19.4 -1.8 47 20 26380 85 26 -25.9 -2.3 | 87 18 -18.1 -1.0 48 15 27432 100 35 -34.5 6.1 | 105 28 -26.7 7.4 49 14 27737 95 33 -32.9 2.9 | 99 25 -25.1 4.2 Wind Parameters Mean winds (0-6000m): 50.7 at 10.6 knts Storm direction: 80.7 at 7.9 knts Shear (0-3000m) pos: 1.1 neg: 3.3 tot: 4.4 10-3/s Storm rel Dir Shear (0-3000m): 103.8 deg Storm rel helicity (0-3000m) pos: 12.4 neg: -60.2 tot: -47.8 m^2/s^2 ave: -15.9 10^-3 m/s^2 rel: -0.17 Storm rel vorticity (0-3000m) horiz: 7.7 stream: -1.3 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 27.61 Bulk Shear: 33.53 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 ------------------------------------------------------------------------------- 500 249 6 256 13| 6.9 0.0 6.9| 9.2 0.0 9.2 18.4 0.38| 7.4 2.8 1000 249 9 255 16| 3.4 1.7 5.1| 9.2 -15.6 -6.4 -6.4 -0.02| 6.7 -0.2 1500 245 9 252 17| 2.3 1.7 3.9| 9.2 -26.1 -16.9 -11.2 -0.16| 5.4 -0.9 2000 235 9 247 17| 1.7 3.5 5.2| 9.2 -56.6 -47.4 -23.7 -0.40| 7.0 -2.8 2500 228 9 244 16| 1.4 3.4 4.8| 10.0 -60.1 -50.1 -20.0 -0.26| 7.8 -2.0 3000 228 9 244 16| 1.1 3.3 4.4| 12.4 -60.2 -47.8 -15.9 -0.17| 7.7 -1.3 4000 37 10 348 7| 0.6 2.4 3.0| 33.4 -60.2 -26.8 -6.7 -0.01| 7.0 -0.0 5000 48 11 5 6| 0.2 1.4 1.6| 41.8 -74.3 -32.5 -6.5 -0.04| 6.9 -0.3 6000 51 11 4 5| 0.2 0.7 0.9| 42.6 -82.5 -39.9 -6.6 -0.13| 6.6 -0.9 Wrote GIF file: /home/apache/climate/data/raob//DFFD/skewt/DFFD.skewt.20250415.12.gif