UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041812.upa.cvt Date: 1200Z 18 APR 25 Searching for DFFD... Searching the city database file for: DFFD ... Date:1200Z 18 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 87 SFC 976 306 35.6 22.6 47 13.0 25.9 260 2 310.9 314.3 299.8 365.9 17.96 2 964 420 33.6 22.6 53 11.0 25.4 266 4 310.0 313.4 299.8 365.5 18.19 3 925 795 29.4 20.4 58 9.0 22.8 275 7 309.4 312.5 298.6 359.6 16.53 4 874 1298 25.0 19.0 69 6.0 20.7 293 12 309.9 312.9 298.4 358.7 16.02 5 869 1349 24.4 18.4 69 6.0 20.1 305 13 309.7 312.7 298.1 357.0 15.51 6 868 1359 24.4 18.4 69 6.0 20.1 305 13 309.8 312.8 298.1 357.1 15.53 7 853 1512 24.6 15.6 57 9.0 18.4 305 13 311.6 314.1 297.1 352.0 13.18 8 850 1543 24.4 15.4 57 9.0 18.2 345 11 311.7 314.2 297.0 351.8 13.06 9 753 2590 16.8 2.8 39 14.0 8.7 64 14 314.5 315.6 292.8 334.0 6.23 10 700 3206 11.0 0.0 47 11.0 5.0 90 20 314.7 315.7 292.3 332.0 5.47 11 600 4464 0.4 -9.6 47 10.0 -3.9 86 20 316.6 317.2 290.7 326.6 3.08 12 561 4998 -3.5 -10.5 58 7.0 -6.4 87 8 318.1 318.7 291.2 328.2 3.06 13 548 5184 -3.3 -8.3 68 5.0 -5.5 47 2 320.5 321.2 292.4 332.7 3.73 14 526 5508 -1.5 -14.5 36 13.0 -6.7 0 13 326.4 326.9 292.9 334.5 2.36 15 500 5910 -3.5 -22.5 21 19.0 -9.7 355 16 328.8 329.0 292.6 333.2 1.26 16 490 6069 -4.5 -24.5 19 20.0 -10.7 355 13 329.5 329.7 292.6 333.3 1.07 17 406 7518 -16.5 -30.5 29 14.0 -19.7 301 8 332.1 332.3 293.0 334.9 0.74 18 401 7611 -16.7 -30.7 29 14.0 -19.9 291 9 333.0 333.2 293.3 335.8 0.74 19 400 7630 -16.7 -30.7 29 14.0 -19.9 300 14 333.3 333.4 293.3 336.0 0.74 20 391 7801 -15.9 -30.9 26 15.0 -19.4 300 15 336.5 336.7 294.1 339.3 0.74 21 315 9391 -27.3 -44.3 18 17.0 -29.5 300 24 342.1 342.1 295.0 343.1 0.24 22 300 9740 -30.3 -46.3 19 16.0 -32.0 295 21 342.7 342.7 295.1 343.5 0.20 23 287 10054 -33.3 -49.3 19 16.0 -34.7 290 20 342.8 342.8 295.1 343.4 0.15 24 281 10203 -34.7 -50.7 18 16.0 -36.0 288 19 342.8 342.8 295.1 343.4 0.13 25 250 11010 -41.5 -55.5 21 14.0 -42.3 230 12 344.4 344.4 295.4 344.7 0.08 26 234 11454 -45.1 -58.1 22 13.0 -45.6 245 14 345.5 345.5 295.7 345.8 0.06 27 221 11832 -48.5 -61.5 21 13.0 -48.9 258 15 345.9 346.0 295.8 346.1 0.04 28 214 12042 -49.9 -61.9 23 12.0 -50.3 265 16 347.0 347.0 296.0 347.2 0.04 29 207 12258 -51.7 -64.7 20 13.0 -52.0 272 17 347.5 347.5 296.1 347.6 0.03 30 200 12480 -53.5 -65.5 22 12.0 -53.8 280 18 348.0 348.1 296.2 348.2 0.03 31 179 13184 -59.5 -70.5 23 11.0 -59.6 290 20 349.5 349.5 296.5 349.5 0.02 32 175 13325 -60.7 -71.7 22 11.0 -60.8 292 20 349.7 349.7 296.6 349.8 0.01 33 165 13689 -63.3 -74.3 21 11.0 -63.4 297 21 351.3 351.3 296.9 351.4 0.01 34 160 13878 -64.5 -75.5 21 11.0 -64.6 299 22 352.4 352.4 297.1 352.4 0.01 35 150 14270 -66.9 -76.9 23 10.0 -67.0 305 23 354.8 354.8 297.7 354.9 0.01 36 137 14814 -69.9 -78.9 26 9.0 -69.9 324 23 358.9 358.9 298.5 358.9 0.01 37 122 15498 -73.5 -83.5 20 10.0 -73.5 323 14 364.4 364.4 299.5 364.4 0.00 38 116 15792 -74.9 -83.9 23 9.0 -74.9 295 13 367.1 367.1 300.1 367.1 0.00 39 109 16151 -77.3 -87.3 19 10.0 -77.3 255 15 369.2 369.2 300.4 369.2 0.00 40 101 16584 -80.9 -88.9 25 8.0 -80.9 206 18 370.4 370.4 300.7 370.4 0.00 41 100 16640 -81.3 -89.3 25 8.0 -81.3 200 18 370.6 370.6 300.7 370.7 0.00 42 90 17230 -81.5 -90.5 20 9.0 -81.5 192 10 381.6 381.6 302.5 381.6 0.00 43 88 17356 -81.7 -90.7 20 9.0 -81.7 190 8 383.6 383.6 302.8 383.7 0.00 44 87 17420 -81.7 -90.7 20 9.0 -81.7 196 9 384.9 384.9 303.0 384.9 0.00 45 81 17821 -80.1 -88.1 25 8.0 -80.1 240 14 396.1 396.1 304.7 396.1 0.00 46 80 17891 -80.3 -88.3 25 8.0 -80.3 247 15 397.1 397.1 304.8 397.1 0.00 47 74 18332 -78.9 -87.9 22 9.0 -78.9 314 19 409.0 409.0 306.4 409.0 0.00 48 70 18650 -76.1 -85.1 23 9.0 -76.2 105 7 421.6 421.6 307.9 421.6 0.00 49 61 19453 -72.1 -80.1 29 8.0 -72.2 220 19 447.4 447.4 310.6 447.5 0.01 50 52 20397 -70.7 -78.7 30 8.0 -70.8 311 8 471.6 471.6 312.8 471.7 0.02 51 50 20630 -70.3 -78.3 30 8.0 -70.4 320 3 477.8 477.8 313.3 477.9 0.02 52 46 21125 -69.9 -77.9 30 8.0 -70.0 252 3 490.3 490.3 314.2 490.4 0.02 53 43 21530 -66.5 -75.5 27 9.0 -66.7 197 3 508.2 508.2 315.5 508.4 0.03 54 41 21819 -64.9 -72.9 32 8.0 -65.1 158 3 519.2 519.2 316.2 519.5 0.05 55 37 22450 -61.5 -71.5 25 10.0 -62.0 217 12 543.4 543.4 317.8 543.8 0.07 56 32 23355 -58.7 -66.7 35 8.0 -59.3 337 12 573.9 574.0 319.4 575.0 0.15 57 30 23760 -58.7 -66.7 35 8.0 -59.4 40 17 584.6 584.7 319.9 585.8 0.16 58 28 24195 -58.5 -66.5 35 8.0 -59.3 55 21 596.8 596.9 320.5 598.1 0.18 59 27 24425 -58.9 -66.9 35 8.0 -59.6 64 22 601.9 602.0 320.7 603.3 0.17 60 27 24425 -58.9 -66.9 35 8.0 -59.6 64 22 601.9 602.0 320.7 603.3 0.17 61 21 26033 -52.1 -62.1 29 10.0 -54.1 107 38 667.3 667.5 323.4 670.9 0.43 62 20 26350 -51.3 -60.3 33 9.0 -53.3 105 45 679.1 679.4 323.9 683.9 0.57 63 19 26683 -51.3 -60.3 33 9.0 -53.4 86 37 689.2 689.4 324.3 694.3 0.60 64 17 27410 -48.7 -58.7 30 10.0 -51.6 95 43 719.8 720.2 325.3 727.1 0.82 65 15 28232 -49.5 -57.5 39 8.0 -52.1 105 50 743.4 743.9 326.0 753.3 1.08 66 14 28685 -48.1 -57.1 35 9.0 -51.3 110 54 762.9 763.5 326.6 774.4 1.21 67 14 28685 -46.7 -55.7 35 9.0 -50.2 110 54 767.7 768.4 326.8 781.3 1.44 68 13 29176 -47.1 -55.1 40 8.0 -50.4 108 53 782.7 783.5 327.2 798.8 1.67 69 12 29706 -47.1 -57.1 31 10.0 -51.1 106 52 800.9 801.6 327.6 814.9 1.42 TRP 869 1349 24.4 18.4 69 6.0 20.1 305 13 309.7 312.7 298.1 357.0 15.51 WND Sounding variables and indices 1000-500 mb thick: 5823.00 m Freezing level: 596.00 mb = 4518.97 m = 14825.82 ft Wetbulb zero: 643.86 mb = 3888.36 m = 12756.94 ft Precipitable water: 1.65 inches Sfc-500 mean rel hum: 49.51 % Est. max temperature: 37.06 C = 98.71 F Sfc-Lift cond lev (LCL): 810.24 mb = 1956.90 m = 6420.19 ft T: 21.40 C 700-500 lapse rate: 5.36 C/km ThetaE index: 30.55 C Layer 853.0- 561.0 mb Conv cond level (CCL): 763.89 mb = 2465.85 m = 8089.97 ft Mean mixing ratio: 16.90 g/kg Conv temperature: 38.81 C = 101.87 F Cap Strength: 2.85 C Lifted Index: -4.28 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -7.64 C Lifted Index @700 mb: -2.44 C Showalter Index: -1.18 C Risk: Thunderstorms probable Total Totals Index: 46.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.90 C Cross Totals Index: 18.90 C K Index: 32.30 Risk: 60-80 % chance of thunderstorms Sweat Index: 222.80 Risk: None Energy Index: -3.59 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3125.48 J/kg Max Up Vert Vel: 79.06 m/s Conv Inhibition (B-): 81.11 J/kg Cap Strength: 2.85 C Lift Cond Lev (LCL): 812.40 mb = 1933.91 m = 6344.78 ft Lev Free Conv (LFC): 737.40 mb = 2766.65 m = 9076.84 ft Equ Level (EL): 127.40 mb = 15242.20 m = 50006.61 ft B at Equ Level: 3111.50 J/kg Max Parcel Lev (MPL): 57.40 mb = 19812.72 m = 65001.56 ft Wind level data Storm motion: 88 at 10 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 ---------------------------------------------------------- 0 976 306 260 2 2.0 0.3 | 267 12 12.4 0.7 1 944 610 275 7 7.0 -0.6 | 271 17 17.4 -0.3 2 925 795 275 7 7.0 -0.6 | 271 17 17.4 -0.3 3 913 914 300 8 6.9 -4.0 | 282 18 17.4 -3.7 4 882 1219 275 11 11.0 -1.0 | 272 21 21.4 -0.6 5 869 1349 305 13 10.6 -7.5 | 289 22 21.1 -7.1 6 852 1524 305 13 10.6 -7.5 | 289 22 21.1 -7.1 7 850 1543 345 11 2.8 -10.6 | 308 17 13.3 -10.3 8 822 1829 15 9 -2.3 -8.7 | 316 12 8.1 -8.4 9 793 2134 45 9 -6.4 -6.4 | 326 7 4.1 -6.0 10 700 3206 90 20 -20.0 0.0 | 92 10 -9.6 0.3 11 687 3353 90 22 -22.0 0.0 | 92 12 -11.6 0.3 12 613 4267 80 25 -24.6 -4.3 | 74 15 -14.2 -4.0 13 591 4572 90 17 -17.0 0.0 | 93 7 -6.6 0.3 14 569 4877 110 11 -10.3 3.8 | 181 4 0.1 4.1 15 547 5182 45 2 -1.4 -1.4 | 277 9 9.0 -1.1 16 527 5486 360 13 -0.0 -13.0 | 320 16 10.4 -12.7 17 507 5791 5 18 -1.6 -17.9 | 333 20 8.9 -17.6 18 500 5910 355 16 1.4 -15.9 | 323 20 11.8 -15.6 19 488 6096 355 12 1.0 -12.0 | 315 16 11.5 -11.6 20 469 6401 10 8 -1.4 -7.9 | 310 12 9.1 -7.5 21 451 6706 350 6 1.0 -5.9 | 296 13 11.5 -5.6 22 433 7010 355 6 0.5 -6.0 | 297 12 11.0 -5.6 23 401 7620 290 9 8.5 -3.1 | 278 19 18.9 -2.7 24 400 7630 300 14 12.1 -7.0 | 286 24 22.6 -6.7 25 312 9449 300 24 20.8 -12.0 | 290 33 31.2 -11.7 26 300 9740 295 21 19.0 -8.9 | 286 31 29.5 -8.5 27 274 10363 285 18 17.4 -4.7 | 279 28 27.8 -4.3 28 251 10973 230 12 9.2 7.7 | 248 21 19.6 8.0 29 250 11010 230 12 9.2 7.7 | 248 21 19.6 8.0 30 200 12480 280 18 17.7 -3.1 | 276 28 28.2 -2.8 31 150 14270 305 23 18.8 -13.2 | 294 32 29.3 -12.9 32 141 14630 320 24 15.4 -18.4 | 305 32 25.9 -18.1 33 127 15240 335 20 8.5 -18.1 | 313 26 18.9 -17.8 34 121 15545 320 12 7.7 -9.2 | 296 20 18.2 -8.9 35 100 16640 200 18 6.2 16.9 | 224 24 16.6 17.2 36 98 16764 200 18 6.2 16.9 | 224 24 16.6 17.2 37 88 17374 190 8 1.4 7.9 | 235 14 11.8 8.2 38 75 18288 290 21 19.7 -7.2 | 283 31 30.2 -6.8 39 70 18650 105 7 -6.8 1.8 | 240 4 3.7 2.1 40 67 18898 100 7 -6.9 1.2 | 246 4 3.5 1.6 41 61 19507 230 20 15.3 12.9 | 243 29 25.8 13.2 42 55 20117 300 15 13.0 -7.5 | 287 25 23.4 -7.2 43 50 20630 320 3 1.9 -2.3 | 279 13 12.4 -2.0 44 40 21946 145 3 -1.7 2.5 | 252 9 8.7 2.8 45 35 22860 270 18 18.0 -0.0 | 269 28 28.4 0.3 46 33 23165 305 9 7.4 -5.2 | 285 18 17.8 -4.8 47 30 23760 40 17 -10.9 -13.0 | 2 13 -0.5 -12.7 48 29 24079 50 20 -15.3 -12.9 | 21 13 -4.9 -12.5 49 22 25603 110 29 -27.3 9.9 | 121 20 -16.8 10.3 50 20 26350 105 45 -43.5 11.6 | 110 35 -33.0 12.0 51 19 26518 85 36 -35.9 -3.1 | 84 26 -25.4 -2.8 52 14 27737 110 54 -50.7 18.5 | 115 44 -40.3 18.8 53 11 28651 105 51 -49.3 13.2 | 109 41 -38.8 13.5 54 8 29870 100 46 -45.3 8.0 | 103 36 -34.9 8.3 Wind Parameters Mean winds (0-6000m): 58.2 at 13.9 knts Storm direction: 88.2 at 10.4 knts Shear (0-3000m) pos: 4.0 neg: 0.0 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): -175.1 deg Storm rel helicity (0-3000m) pos: 125.7 neg: -16.2 tot: 109.5 m^2/s^2 ave: 36.5 10^-3 m/s^2 rel: 0.59 Storm rel vorticity (0-3000m) horiz: 9.5 stream: 5.6 10^-3/s Energy-Hel index: 2.00 Bulk Rich Number: 67.70 Bulk Shear: 46.16 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 ------------------------------------------------------------------------------- 500 273 5 270 16| 5.4 0.0 5.4| 5.9 0.0 5.9 11.8 0.26| 5.6 1.4 1000 282 7 274 18| 5.5 0.0 5.5| 42.0 -16.1 25.9 25.9 0.30| 8.8 2.7 1500 301 9 283 18| 3.5 0.0 3.5| 94.1 -16.1 78.0 52.0 0.48| 11.3 5.4 2000 324 9 294 17| 3.2 0.0 3.2|102.5 -16.1 86.4 43.2 0.49| 10.3 5.1 2500 356 10 310 15| 3.7 0.0 3.7|113.8 -16.1 97.7 39.1 0.57| 9.7 5.5 3000 36 11 337 10| 4.0 0.0 4.0|125.7 -16.2 109.5 36.5 0.59| 9.5 5.6 4000 67 15 29 6| 3.0 0.6 3.6|126.4 -29.0 97.4 24.4 0.47| 7.9 3.7 5000 73 14 39 5| 1.4 1.5 2.8|154.1 -29.6 124.5 24.9 0.52| 9.4 4.9 6000 58 14 11 7| 1.6 2.2 3.8|179.2 -59.0 120.2 20.0 0.42| 9.8 4.1 Wrote GIF file: /home/apache/climate/data/raob//DFFD/skewt/DFFD.skewt.20250418.12.gif