UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042912.upa.cvt Date: 1200Z 29 APR 25 Searching for DFFD... Searching the city database file for: DFFD ... Date:1200Z 29 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 70 SFC 974 306 33.0 21.0 49 12.0 24.2 220 10 308.5 311.5 298.2 357.8 16.28 2 965 390 31.2 21.2 55 10.0 23.9 223 10 307.5 310.6 298.2 357.7 16.65 3 962 419 30.8 20.8 55 10.0 23.5 224 10 307.3 310.4 298.0 356.5 16.28 4 925 771 27.0 19.0 62 8.0 21.3 235 9 306.9 309.7 297.1 352.4 15.12 5 872 1292 26.4 14.4 48 12.0 18.2 308 8 311.5 313.8 296.2 348.1 11.91 6 869 1322 26.2 14.2 48 12.0 18.0 330 7 311.6 313.9 296.1 347.8 11.80 7 865 1363 26.0 13.0 45 13.0 17.2 338 8 311.8 313.9 295.6 345.5 10.95 8 850 1517 25.2 13.2 47 12.0 17.1 10 11 312.5 314.7 296.0 347.4 11.29 9 759 2498 17.2 9.2 59 8.0 12.1 50 16 314.2 316.0 295.3 344.3 9.67 10 700 3184 12.2 0.2 44 12.0 5.6 90 24 316.0 317.1 292.7 333.6 5.55 11 673 3512 9.6 -3.4 40 13.0 2.9 94 26 316.7 317.5 291.9 330.9 4.42 12 640 3926 5.8 -6.2 42 12.0 0.1 92 27 316.9 317.7 291.5 329.1 3.76 13 600 4451 1.8 -11.2 37 13.0 -3.7 95 26 318.2 318.7 290.9 327.1 2.71 14 593 4546 1.6 -13.4 32 15.0 -4.4 98 25 319.0 319.5 290.7 326.7 2.29 15 558 5033 -1.5 -10.5 50 9.0 -5.4 93 22 321.0 321.6 292.0 331.2 3.08 16 529 5457 -3.7 -13.7 46 10.0 -7.7 87 18 323.3 323.8 292.2 331.7 2.51 17 500 5900 -6.9 -10.5 75 3.6 -8.4 80 15 324.6 325.3 293.3 336.1 3.44 18 492 6025 -7.9 -11.2 77 3.3 -9.3 74 13 324.9 325.6 293.3 336.0 3.30 19 483 6168 -8.7 -12.6 73 3.9 -10.3 62 11 325.6 326.2 293.3 335.8 3.01 20 474 6313 -7.9 -15.9 53 8.0 -10.9 46 10 328.4 328.9 293.4 336.4 2.34 21 421 7223 -12.9 -28.9 25 16.0 -17.0 284 4 333.3 333.5 293.4 336.4 0.83 22 400 7610 -15.7 -24.7 46 9.0 -18.2 245 6 334.6 334.8 294.1 339.3 1.29 23 388 7839 -17.7 -24.7 54 7.0 -19.6 251 6 334.9 335.2 294.3 339.7 1.33 24 310 9486 -28.3 -40.3 31 12.0 -30.0 273 17 342.3 342.3 295.2 343.7 0.37 25 300 9720 -30.3 -41.3 33 11.0 -31.7 260 16 342.7 342.7 295.3 344.0 0.34 26 295 9839 -31.3 -41.3 37 10.0 -32.6 257 17 342.9 343.0 295.3 344.3 0.35 27 276 10307 -34.3 -45.3 32 11.0 -35.4 246 20 345.2 345.2 295.8 346.1 0.24 28 250 10990 -40.1 -50.1 34 10.0 -40.8 255 27 346.4 346.5 296.0 347.1 0.16 29 200 12480 -52.1 -60.1 38 8.0 -52.4 265 25 350.3 350.3 296.7 350.5 0.06 30 170 13512 -60.1 -66.1 45 6.0 -60.2 242 26 353.6 353.7 297.4 353.8 0.03 31 168 13586 -60.7 -66.7 45 6.0 -60.8 240 25 353.8 353.9 297.5 354.0 0.03 32 161 13849 -63.1 -69.1 44 6.0 -63.2 234 23 354.1 354.1 297.5 354.2 0.02 33 150 14280 -66.7 -72.7 42 6.0 -66.7 225 20 355.2 355.2 297.7 355.2 0.01 34 127 15261 -75.5 -81.5 38 6.0 -75.5 215 24 356.6 356.6 298.0 356.6 0.00 35 118 15681 -79.3 -84.3 43 5.0 -79.3 239 18 357.2 357.2 298.1 357.2 0.00 36 116 15778 -79.9 -84.9 43 5.0 -79.9 245 17 357.8 357.8 298.2 357.8 0.00 37 114 15876 -80.1 -85.1 43 5.0 -80.1 251 16 359.2 359.2 298.5 359.3 0.00 38 110 16078 -79.1 -85.1 37 6.0 -79.1 263 19 364.8 364.8 299.6 364.8 0.00 39 105 16342 -77.9 -82.9 44 5.0 -77.9 278 22 372.0 372.0 300.9 372.0 0.00 40 103 16452 -78.5 -83.1 47 4.6 -78.5 284 24 372.9 372.9 301.1 372.9 0.00 41 101 16563 -78.5 -83.3 45 4.8 -78.5 304 19 375.0 375.0 301.4 375.0 0.00 42 100 16620 -78.5 -83.5 44 5.0 -78.5 315 17 376.1 376.1 301.6 376.1 0.00 43 88 17347 -80.5 -84.9 48 4.4 -80.5 167 21 386.1 386.1 303.2 386.1 0.00 44 82 17747 -80.1 -82.9 63 2.8 -80.1 222 11 394.7 394.7 304.5 394.8 0.01 45 73 18409 -77.9 -82.0 51 4.1 -77.9 247 6 412.7 412.7 306.9 412.8 0.01 46 70 18650 -77.1 -80.7 56 3.6 -77.1 240 7 419.4 419.4 307.6 419.5 0.01 47 67 18902 -75.7 -79.0 60 3.3 -75.7 233 9 427.8 427.8 308.6 427.8 0.01 48 65 19077 -75.7 -78.8 62 3.1 -75.7 206 7 431.5 431.5 309.0 431.5 0.01 49 59 19641 -72.9 -77.1 53 4.2 -72.9 119 2 449.9 449.9 310.8 450.0 0.02 50 57 19844 -71.1 -74.4 61 3.3 -71.2 69 1 458.4 458.4 311.7 458.6 0.03 51 54 20166 -68.1 -72.3 55 4.2 -68.2 292 5 472.5 472.5 312.8 472.7 0.04 52 50 20630 -65.7 -69.3 61 3.6 -65.8 345 10 488.7 488.7 314.1 489.1 0.07 53 48 20877 -65.5 -68.9 62 3.4 -65.6 296 7 494.9 494.9 314.6 495.3 0.07 54 47 21005 -65.5 -68.7 64 3.2 -65.6 271 5 497.9 497.9 314.8 498.4 0.08 55 37 22487 -56.7 -61.7 53 5.0 -57.2 233 14 555.7 555.8 318.5 557.5 0.26 56 36 22661 -56.1 -61.1 53 5.0 -56.6 239 16 561.6 561.7 318.8 563.6 0.28 57 35 22839 -56.5 -61.5 53 5.0 -57.1 245 19 565.1 565.2 319.0 567.1 0.28 58 34 23023 -56.5 -61.5 53 5.0 -57.1 268 17 569.8 569.9 319.3 571.9 0.29 59 33 23211 -57.1 -62.1 53 5.0 -57.6 294 15 573.1 573.2 319.4 575.1 0.27 60 30 23810 -59.5 -65.5 46 6.0 -60.0 85 24 582.4 582.5 319.9 583.8 0.19 61 20 26390 -51.1 -64.1 20 13.0 -53.6 95 39 679.8 679.9 323.9 682.7 0.35 62 18 27076 -50.7 -65.7 15 15.0 -53.7 95 39 701.8 702.0 324.6 704.5 0.31 63 17 27448 -50.9 -67.9 12 17.0 -54.1 712.7 712.8 324.9 714.9 0.24 64 12 29743 -45.5 -70.5 4 25.0 -52.0 806.5 806.6 327.4 808.9 0.24 TRP 869 1322 26.2 14.2 48 12.0 18.0 330 7 311.6 313.9 296.1 347.8 11.80 WND Sounding variables and indices 1000-500 mb thick: 5830.00 m Freezing level: 574.94 mb = 4797.29 m = 15738.93 ft Wetbulb zero: 639.16 mb = 3936.99 m = 12916.49 ft Precipitable water: 1.63 inches Sfc-500 mean rel hum: 49.01 % Est. max temperature: 37.51 C = 99.53 F Sfc-Lift cond lev (LCL): 819.46 mb = 1834.11 m = 6017.33 ft T: 22.62 C 700-500 lapse rate: 7.03 C/km ThetaE index: 20.68 C Layer 759.0- 558.0 mb Conv cond level (CCL): 730.42 mb = 2823.57 m = 9263.56 ft Mean mixing ratio: 14.67 g/kg Conv temperature: 39.54 C = 103.16 F Cap Strength: 4.83 C Lifted Index: -4.87 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -3.37 C Lifted Index @700 mb: 0.87 C Showalter Index: -2.99 C Risk: Severe thunderstorms possible Total Totals Index: 52.20 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 32.10 C Cross Totals Index: 20.10 C K Index: 33.30 Risk: 60-80 % chance of thunderstorms Sweat Index: 259.40 Risk: None Energy Index: -2.19 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1133.60 J/kg Max Up Vert Vel: 47.62 m/s Conv Inhibition (B-): 225.76 J/kg Cap Strength: 4.83 C Lift Cond Lev (LCL): 802.74 mb = 2012.77 m = 6603.50 ft Lev Free Conv (LFC): 677.74 mb = 3453.40 m = 11329.92 ft Equ Level (EL): 177.74 mb = 13229.20 m = 43402.37 ft B at Equ Level: 1129.74 J/kg Max Parcel Lev (MPL): 87.74 mb = 17363.43 m = 56965.93 ft Wind level data Storm motion: 115 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 ---------------------------------------------------------- 0 974 306 220 10 6.4 7.7 | 264 19 18.5 2.0 1 942 610 230 11 8.4 7.1 | 266 21 20.5 1.5 2 925 771 235 9 7.4 5.2 | 271 19 19.5 -0.5 3 910 914 240 11 9.5 5.5 | 270 22 21.6 -0.1 4 879 1219 255 10 9.7 2.6 | 278 22 21.8 -3.0 5 869 1322 330 7 3.5 -6.1 | 307 19 15.6 -11.7 6 850 1517 10 11 -1.9 -10.8 | 328 19 10.2 -16.5 7 849 1524 10 10 -1.7 -9.8 | 326 19 10.4 -15.5 8 791 2134 30 12 -6.0 -10.4 | 339 17 6.1 -16.0 9 700 3184 90 24 -24.0 0.0 | 65 13 -11.9 -5.6 10 686 3353 95 26 -25.9 2.3 | 76 14 -13.8 -3.4 11 612 4267 90 27 -27.0 0.0 | 69 16 -14.9 -5.6 12 589 4572 100 25 -24.6 4.3 | 84 13 -12.5 -1.3 13 500 5900 80 15 -14.8 -2.6 | 18 9 -2.7 -8.2 14 487 6096 70 12 -11.3 -4.1 | 355 10 0.8 -9.7 15 450 6706 360 6 -0.0 -6.0 | 314 17 12.1 -11.6 16 416 7315 270 4 4.0 -0.0 | 289 17 16.1 -5.6 17 400 7610 245 6 5.4 2.5 | 280 18 17.5 -3.1 18 399 7620 240 6 5.2 3.0 | 279 17 17.3 -2.6 19 383 7925 255 6 5.8 1.6 | 283 18 17.9 -4.1 20 368 8230 235 16 13.1 9.2 | 262 25 25.2 3.6 21 325 9144 290 18 16.9 -6.2 | 292 31 29.0 -11.8 22 300 9720 260 16 15.8 2.8 | 276 28 27.8 -2.8 23 274 10363 245 20 18.1 8.5 | 265 30 30.2 2.8 24 251 10973 260 27 26.6 4.7 | 271 39 38.7 -0.9 25 250 10990 255 27 26.1 7.0 | 268 38 38.2 1.4 26 229 11582 245 22 19.9 9.3 | 263 32 32.0 3.7 27 200 12480 265 25 24.9 2.2 | 275 37 37.0 -3.4 28 190 12802 265 25 24.9 2.2 | 275 37 37.0 -3.4 29 181 13106 250 29 27.3 9.9 | 264 40 39.3 4.3 30 150 14280 225 20 14.1 14.1 | 252 28 26.2 8.5 31 149 14326 225 20 14.1 14.1 | 252 28 26.2 8.5 32 127 15240 215 24 13.8 19.7 | 241 29 25.9 14.0 33 114 15850 250 16 15.0 5.5 | 270 27 27.1 -0.1 34 103 16459 285 24 23.2 -6.2 | 289 37 35.3 -11.8 35 100 16620 315 17 12.0 -12.0 | 306 30 24.1 -17.6 36 98 16764 315 17 12.0 -12.0 | 306 30 24.1 -17.6 37 88 17374 160 21 -7.2 19.7 | 199 15 4.9 14.1 38 79 17983 260 5 4.9 0.9 | 286 18 17.0 -4.7 39 70 18650 240 7 6.1 3.5 | 277 18 18.2 -2.1 40 67 18898 235 9 7.4 5.2 | 271 19 19.5 -0.5 41 57 19812 95 1 -1.0 0.1 | 296 12 11.1 -5.5 42 55 20117 285 4 3.9 -1.0 | 293 17 16.0 -6.7 43 50 20630 345 10 2.6 -9.7 | 316 21 14.7 -15.3 44 45 21336 210 1 0.5 0.9 | 291 13 12.6 -4.8 45 43 21641 115 3 -2.7 1.3 | 295 10 9.4 -4.3 46 40 21946 355 8 0.7 -8.0 | 317 19 12.8 -13.6 47 39 22250 225 10 7.1 7.1 | 266 19 19.2 1.5 48 35 22860 245 19 17.2 8.0 | 265 29 29.3 2.4 49 30 23774 10 10 -1.7 -9.8 | 326 19 10.4 -15.5 50 30 23810 85 24 -23.9 -2.1 | 57 14 -11.8 -7.7 51 27 24384 95 28 -27.9 2.4 | 79 16 -15.8 -3.2 52 25 24994 100 22 -21.7 3.8 | 79 10 -9.6 -1.8 53 23 25603 50 16 -12.3 -10.3 | 1 16 -0.2 -15.9 54 20 26390 95 39 -38.9 3.4 | 85 27 -26.8 -2.2 55 18 26822 95 39 -38.9 3.4 | 85 27 -26.8 -2.2 Wind Parameters Mean winds (0-6000m): 84.9 at 17.8 knts Storm direction: 114.9 at 13.3 knts Shear (0-3000m) pos: 5.6 neg: 0.0 tot: 5.6 10-3/s Storm rel Dir Shear (0-3000m): 169.5 deg Storm rel helicity (0-3000m) pos: 235.5 neg: -1.3 tot: 234.3 m^2/s^2 ave: 78.1 10^-3 m/s^2 rel: 0.91 Storm rel vorticity (0-3000m) horiz: 9.5 stream: 8.7 10^-3/s Energy-Hel index: 1.10 Bulk Rich Number: 12.02 Bulk Shear: 94.31 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 ------------------------------------------------------------------------------- 500 228 10 266 20| 2.9 0.0 2.9| 13.4 0.0 13.4 26.8 0.63| 4.1 2.6 1000 239 10 271 21| 6.8 0.0 6.8| 80.6 -1.3 79.3 79.3 0.81| 9.2 7.5 1500 267 10 283 23| 7.1 0.0 7.1|131.6 -1.3 130.4 86.9 0.85| 9.8 8.4 2000 316 11 304 23| 6.2 0.0 6.2|155.1 -1.3 153.8 76.9 0.87| 8.7 7.6 2500 14 12 331 19| 5.9 0.0 5.9|195.4 -1.3 194.2 77.7 0.89| 9.1 8.1 3000 58 14 358 13| 5.6 0.0 5.6|235.5 -1.3 234.3 78.1 0.91| 9.5 8.7 4000 80 17 29 10| 4.2 0.2 4.4|239.5 -7.7 231.8 57.9 0.85| 7.6 6.4 5000 86 18 41 9| 2.9 0.5 3.4|250.3 -24.7 225.5 45.1 0.67| 7.2 4.8 6000 85 18 38 9| 2.4 1.5 4.0|250.3 -56.2 194.1 32.3 0.41| 7.2 3.0 Wrote GIF file: /home/apache/climate/data/raob//DFFD/skewt/DFFD.skewt.20250429.12.gif