UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042312.upa.cvt Date: 1200Z 23 APR 25 Searching for DFFD... Searching the city database file for: DFFD ... Date:1200Z 23 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 67 SFC 974 306 37.2 23.2 45 14.0 26.6 220 14 312.7 316.3 300.7 370.4 18.69 2 962 420 33.4 21.4 50 12.0 24.5 224 15 310.0 313.2 299.0 361.5 16.91 3 925 774 28.6 19.6 58 9.0 22.1 220 13 308.6 311.5 298.0 356.2 15.71 4 864 1377 24.2 18.2 69 6.0 19.9 237 15 310.0 313.0 298.1 357.0 15.40 5 857 1448 23.4 17.4 69 6.0 19.2 235 14 309.9 312.7 297.7 354.9 14.75 6 850 1520 23.2 16.2 65 7.0 18.3 230 12 310.4 313.1 297.1 352.5 13.76 7 829 1738 22.6 13.6 57 9.0 16.5 240 7 312.0 314.3 296.3 348.6 11.89 8 784 2221 18.6 11.6 64 7.0 14.0 194 7 312.8 314.9 295.9 346.8 11.01 9 764 2442 18.0 7.0 49 11.0 11.2 151 12 314.5 316.0 294.4 340.2 8.25 10 758 2510 18.0 3.0 37 15.0 9.3 137 14 315.2 316.4 293.0 334.9 6.27 11 733 2796 16.2 -6.8 20 23.0 5.0 89 20 316.2 316.8 290.7 326.4 3.13 12 700 3186 12.4 -4.6 30 17.0 3.8 80 18 316.2 317.0 291.3 328.7 3.88 13 600 4452 1.4 -7.6 51 9.0 -2.7 94 18 317.7 318.4 291.6 329.4 3.60 14 588 4615 0.6 -8.4 51 9.0 -3.4 106 17 318.6 319.3 291.7 329.9 3.45 15 554 5092 -0.7 -16.7 29 16.0 -6.7 119 12 322.6 323.0 291.4 328.9 1.87 16 538 5326 0.0 -22.0 17 22.0 -7.4 125 10 326.1 326.4 291.8 330.4 1.22 17 524 5537 -1.5 -27.5 12 26.0 -9.1 123 7 326.8 327.0 291.6 329.6 0.76 18 500 5910 -2.1 -35.1 6 33.0 -10.3 115 1 330.5 330.6 292.2 331.9 0.39 19 495 5990 -2.9 -35.9 6 33.0 -10.9 118 2 330.5 330.5 292.2 331.8 0.36 20 481 6216 -4.5 -34.5 8 30.0 -11.8 126 6 331.2 331.3 292.4 332.8 0.43 21 451 6720 -7.9 -33.9 10 26.0 -14.1 145 14 333.1 333.2 293.0 334.9 0.48 22 405 7546 -13.9 -37.9 11 24.0 -18.6 118 18 335.7 335.8 293.6 337.1 0.36 23 400 7640 -14.7 -38.7 11 24.0 -19.3 115 19 335.9 336.0 293.6 337.2 0.34 24 300 9740 -30.1 -43.1 27 13.0 -31.7 215 13 343.0 343.0 295.3 344.1 0.28 25 250 11010 -40.5 -50.5 33 10.0 -41.2 250 22 345.9 345.9 295.8 346.5 0.15 26 229 11602 -45.3 -55.3 32 10.0 -45.8 240 23 347.3 347.3 296.1 347.7 0.09 27 227 11660 -45.9 -55.9 31 10.0 -46.4 239 23 347.3 347.3 296.1 347.6 0.09 28 200 12490 -52.7 -61.7 33 9.0 -52.9 225 25 349.3 349.3 296.5 349.5 0.05 29 160 13890 -65.1 -72.1 37 7.0 -65.1 192 38 351.4 351.4 297.0 351.5 0.01 30 150 14280 -68.7 -75.7 36 7.0 -68.7 190 41 351.7 351.7 297.0 351.8 0.01 31 144 14522 -70.5 -77.5 35 7.0 -70.5 192 40 352.7 352.7 297.3 352.8 0.01 32 140 14688 -72.1 -79.1 34 7.0 -72.1 193 39 352.8 352.8 297.3 352.8 0.01 33 125 15346 -76.5 -83.5 32 7.0 -76.5 204 32 356.4 356.4 298.0 356.4 0.00 34 123 15438 -76.3 -83.3 32 7.0 -76.3 212 30 358.4 358.4 298.4 358.5 0.00 35 118 15678 -74.1 -80.1 39 6.0 -74.1 234 24 366.8 366.8 300.0 366.8 0.01 36 104 16406 -77.1 -83.1 38 6.0 -77.1 10 10 374.5 374.5 301.4 374.6 0.00 37 100 16630 -78.3 -84.3 37 6.0 -78.3 60 6 376.4 376.4 301.6 376.5 0.00 38 89 17292 -80.7 -86.7 36 6.0 -80.7 134 20 384.4 384.4 302.9 384.4 0.00 39 84 17620 -79.9 -85.9 36 6.0 -79.9 188 15 392.4 392.4 304.2 392.5 0.00 40 71 18579 -77.7 -82.2 48 4.5 -77.7 152 25 416.5 416.5 307.3 416.5 0.01 41 70 18660 -77.3 -82.3 44 5.0 -77.3 175 22 419.0 419.0 307.6 419.0 0.01 42 67 18912 -75.9 -80.9 45 5.0 -75.9 210 17 427.3 427.3 308.6 427.4 0.01 43 61 19457 -73.9 -77.8 55 3.9 -73.9 233 11 443.4 443.4 310.2 443.5 0.02 44 61 19457 -73.9 -77.8 55 3.9 -73.9 233 11 443.4 443.4 310.2 443.5 0.02 45 57 19853 -73.3 -77.6 52 4.3 -73.3 336 14 453.4 453.4 311.2 453.5 0.02 46 56 19957 -72.7 -76.6 55 3.9 -72.8 357 12 457.1 457.1 311.5 457.2 0.02 47 50 20630 -68.1 -72.9 50 4.8 -68.2 135 6 483.0 483.0 313.7 483.2 0.04 48 49 20752 -66.7 -71.7 49 5.0 -66.8 97 21 489.1 489.1 314.2 489.4 0.05 49 40 22003 -60.5 -64.3 61 3.8 -60.7 294 4 533.9 534.0 317.2 535.0 0.17 50 37 22494 -57.7 -62.5 54 4.8 -58.2 22 6 553.1 553.2 318.3 554.7 0.23 51 30 23820 -58.1 -61.1 68 3.0 -58.5 125 5 586.2 586.4 320.1 588.7 0.34 52 27 24486 -55.9 -59.8 62 3.9 -56.5 189 12 610.4 610.5 321.2 613.7 0.45 53 25 24978 -54.1 -57.7 64 3.6 -54.8 117 25 629.1 629.4 322.0 634.0 0.63 54 21 26090 -56.3 -58.1 80 1.8 -56.7 99 37 654.6 654.9 323.1 660.4 0.71 55 20 26400 -55.1 -57.3 76 2.2 -55.6 95 41 667.5 667.9 323.6 674.3 0.83 56 19 26728 -54.3 -56.5 77 2.2 -54.9 95 43 679.9 680.3 324.0 687.9 0.96 57 19 26728 -54.1 -56.5 75 2.4 -54.7 95 43 680.5 680.9 324.0 688.5 0.96 58 17 27445 -52.3 -54.3 79 2.0 -52.9 95 49 708.3 708.9 325.1 720.4 1.41 59 14 28714 -47.7 -50.8 70 3.1 -49.1 95 58 764.3 765.5 327.0 788.2 2.58 60 12 29752 -38.7 93 60 830.6 TRP 857 1448 23.4 17.4 69 6.0 19.2 235 14 309.9 312.7 297.7 354.9 14.75 WND Sounding variables and indices 1000-500 mb thick: 5843.00 m Freezing level: 572.31 mb = 4834.94 m = 15862.49 ft Freezing level: 538.00 mb = 5326.30 m = 17474.51 ft Freezing level: 538.00 mb = 5326.30 m = 17474.51 ft Wetbulb zero: 641.66 mb = 3900.82 m = 12797.82 ft Precipitable water: 1.54 inches Sfc-500 mean rel hum: 42.08 % Est. max temperature: 36.63 C = 97.94 F Sfc-Lift cond lev (LCL): 797.57 mb = 2072.27 m = 6798.69 ft T: 19.83 C 700-500 lapse rate: 5.32 C/km ThetaE index: 30.59 C Layer 857.0- 700.0 mb Conv cond level (CCL): 734.95 mb = 2773.65 m = 9099.78 ft Mean mixing ratio: 16.10 g/kg Conv temperature: 40.62 C = 105.12 F Cap Strength: 2.79 C Lifted Index: -2.00 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -6.10 C Lifted Index @700 mb: -0.39 C Showalter Index: -0.01 C Risk: Thunderstorms probable Total Totals Index: 43.60 C Risk: None Vertical Totals Index: 25.30 C Cross Totals Index: 18.30 C K Index: 24.50 Risk: 20-40 % chance of thunderstorms Sweat Index: 219.40 Risk: None Energy Index: -3.85 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2249.21 J/kg Max Up Vert Vel: 67.07 m/s Conv Inhibition (B-): 110.01 J/kg Cap Strength: 3.22 C Lift Cond Lev (LCL): 806.42 mb = 1976.85 m = 6485.65 ft Lev Free Conv (LFC): 701.42 mb = 3168.85 m = 10396.37 ft Equ Level (EL): 121.42 mb = 15512.81 m = 50894.43 ft B at Equ Level: 2206.36 J/kg Max Parcel Lev (MPL): 71.42 mb = 18544.88 m = 60842.05 ft Wind level data Storm motion: 143 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 ---------------------------------------------------------- 0 974 306 220 14 9.0 10.7 | 259 15 14.9 3.0 1 942 610 230 16 12.3 10.3 | 262 18 18.1 2.5 2 925 774 220 13 8.4 10.0 | 261 14 14.2 2.2 3 910 914 225 10 7.1 7.1 | 273 13 12.9 -0.7 4 880 1219 240 17 14.7 8.5 | 268 21 20.6 0.7 5 857 1448 235 14 11.5 8.0 | 269 17 17.3 0.3 6 850 1520 230 12 9.2 7.7 | 270 15 15.1 -0.0 7 850 1524 230 11 8.4 7.1 | 273 14 14.3 -0.7 8 820 1829 245 5 4.5 2.1 | 299 12 10.4 -5.6 9 791 2134 210 5 2.5 4.3 | 292 9 8.4 -3.4 10 737 2743 90 20 -20.0 0.0 | 61 16 -14.1 -7.8 11 700 3186 80 18 -17.7 -3.1 | 47 16 -11.9 -10.9 12 612 4267 80 19 -18.7 -3.3 | 49 17 -12.8 -11.1 13 590 4572 105 17 -16.4 4.4 | 72 11 -10.6 -3.4 14 527 5486 130 8 -6.1 5.1 | 6 3 -0.3 -2.6 15 507 5791 80 4 -3.9 -0.7 | 347 9 1.9 -8.5 16 500 5910 115 1 -0.9 0.4 | 326 9 5.0 -7.3 17 451 6706 145 14 -8.0 11.5 | 150 4 -2.2 3.7 18 400 7640 115 19 -17.2 8.0 | 91 11 -11.4 0.3 19 369 8230 110 17 -16.0 5.8 | 79 10 -10.1 -1.9 20 339 8839 130 16 -12.3 10.3 | 112 7 -6.4 2.5 21 300 9740 215 13 7.5 10.6 | 258 14 13.3 2.9 22 299 9754 220 7 4.5 5.4 | 283 11 10.4 -2.4 23 287 10058 210 18 9.0 15.6 | 242 17 14.9 7.8 24 251 10973 250 20 18.8 6.8 | 272 25 24.7 -0.9 25 250 11010 250 22 20.7 7.5 | 271 27 26.5 -0.2 26 200 12490 225 25 17.7 17.7 | 247 26 23.5 9.9 27 200 12497 230 27 20.7 17.4 | 250 28 26.5 9.6 28 172 13411 195 34 8.8 32.8 | 210 29 14.7 25.1 29 150 14280 190 41 7.1 40.4 | 202 35 13.0 32.6 30 134 14935 195 38 9.8 36.7 | 208 33 15.7 28.9 31 127 15240 195 35 9.1 33.8 | 210 30 14.9 26.0 32 114 15850 250 19 17.9 6.5 | 273 24 23.7 -1.3 33 100 16630 60 6 -5.2 -3.0 | 356 11 0.7 -10.8 34 98 16764 60 6 -5.2 -3.0 | 356 11 0.7 -10.8 35 88 17374 145 22 -12.6 18.0 | 147 12 -6.8 10.3 36 79 17983 250 6 5.6 2.1 | 296 13 11.5 -5.7 37 71 18593 150 25 -12.5 21.7 | 154 15 -6.6 13.9 38 70 18660 175 22 -1.9 21.9 | 196 15 3.9 14.2 39 64 19202 250 11 10.3 3.8 | 284 17 16.2 -4.0 40 61 19507 230 11 8.4 7.1 | 273 14 14.3 -0.7 41 57 19812 325 14 8.0 -11.5 | 324 24 13.9 -19.2 42 50 20630 135 6 -4.2 4.2 | 335 4 1.6 -3.5 43 49 20726 85 23 -22.9 -2.0 | 60 20 -17.0 -9.8 44 47 21031 205 6 2.5 5.4 | 285 9 8.4 -2.3 45 45 21336 20 8 -2.7 -7.5 | 348 16 3.1 -15.3 46 43 21641 225 2 1.4 1.4 | 311 10 7.3 -6.3 47 37 22555 30 6 -3.0 -5.2 | 348 13 2.9 -13.0 48 32 23470 75 23 -22.2 -6.0 | 50 21 -16.4 -13.7 49 30 23820 125 5 -4.1 2.9 | 340 5 1.8 -4.9 50 29 24079 250 1 0.9 0.3 | 317 10 6.8 -7.4 51 25 24994 115 25 -22.7 10.6 | 99 17 -16.8 2.8 52 20 26400 95 41 -40.8 3.6 | 83 35 -35.0 -4.2 53 13 28042 95 62 -61.8 5.4 | 88 56 -55.9 -2.4 54 9 29261 85 51 -50.8 -4.4 | 75 47 -44.9 -12.2 55 8 29870 95 47 -46.8 4.1 | 85 41 -41.0 -3.7 Wind Parameters Mean winds (0-6000m): 112.9 at 13.0 knts Storm direction: 142.9 at 9.7 knts Shear (0-3000m) pos: 1.6 neg: 4.0 tot: 5.6 10-3/s Storm rel Dir Shear (0-3000m): 149.0 deg Storm rel helicity (0-3000m) pos: 39.6 neg: -65.5 tot: -26.0 m^2/s^2 ave: -8.7 10^-3 m/s^2 rel: -0.29 Storm rel vorticity (0-3000m) horiz: 11.6 stream: -3.4 10^-3/s Energy-Hel index: 0.55 Bulk Rich Number: 32.22 Bulk Shear: 69.81 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 ------------------------------------------------------------------------------- 500 225 15 261 16| 1.8 0.0 1.8| 7.1 -1.2 5.9 11.8 0.18| 7.8 1.4 1000 229 14 265 17| 2.6 0.0 2.6| 14.8 -5.8 8.9 8.9 0.13| 9.3 1.2 1500 231 13 268 16| 3.2 0.0 3.2| 39.3 -5.8 33.5 22.4 0.31| 10.0 3.1 2000 228 11 272 14| 2.4 2.3 4.6| 39.3 -16.9 22.4 11.2 0.09| 9.8 0.9 2500 213 12 259 13| 1.9 5.1 7.0| 39.3 -51.5 -12.2 -4.9 -0.26| 13.2 -3.4 3000 179 13 227 8| 1.6 4.0 5.6| 39.6 -65.5 -26.0 -8.7 -0.29| 11.6 -3.4 4000 116 15 80 7| 1.1 3.1 4.2| 44.9 -65.5 -20.6 -5.2 -0.26| 8.9 -2.4 5000 112 15 73 8| 0.6 2.5 3.1| 62.5 -68.1 -5.6 -1.1 -0.18| 8.7 -1.6 6000 113 13 66 7| 0.6 1.9 2.5| 66.9 -80.1 -13.3 -2.2 -0.19| 8.8 -1.7 Wrote GIF file: /home/apache/climate/data/raob//DFFD/skewt/DFFD.skewt.20250423.12.gif