UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041912.upa.cvt Date: 1200Z 19 APR 25 Searching for DFFD... Searching the city database file for: DFFD ... Date:1200Z 19 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 68 SFC 974 306 37.6 20.6 37 17.0 25.1 280 4 313.1 316.1 299.1 362.1 15.87 2 968 363 36.8 19.8 37 17.0 24.4 274 4 312.8 315.7 298.7 359.7 15.19 3 962 420 36.2 20.2 39 16.0 24.5 269 4 312.8 315.8 298.9 361.1 15.68 4 925 779 32.8 18.8 44 14.0 22.7 250 3 312.8 315.7 298.5 358.9 14.93 5 850 1534 25.2 15.2 54 10.0 18.2 315 5 312.5 315.0 297.1 352.2 12.89 6 834 1700 23.6 14.6 57 9.0 17.4 285 8 312.6 315.0 297.0 351.5 12.63 7 810 1954 21.4 14.4 64 7.0 16.6 251 7 312.8 315.3 297.1 352.4 12.84 8 786 2214 19.6 10.6 56 9.0 13.7 187 7 313.6 315.6 295.6 345.5 10.27 9 776 2324 18.6 10.6 60 8.0 13.4 167 11 313.7 315.7 295.7 345.9 10.40 10 772 2369 18.4 10.4 60 8.0 13.2 159 12 313.9 315.9 295.7 346.0 10.32 11 768 2413 18.6 8.6 52 10.0 12.2 151 13 314.6 316.4 295.1 343.2 9.17 12 727 2881 14.8 0.8 38 14.0 7.0 90 23 315.4 316.5 292.6 333.1 5.58 13 716 3010 13.6 -0.4 38 14.0 6.0 90 22 315.5 316.5 292.3 332.0 5.19 14 700 3200 11.8 -1.2 40 13.0 4.8 90 20 315.6 316.5 292.1 331.5 5.01 15 600 4461 0.0 -9.0 51 9.0 -3.9 67 24 316.1 316.7 290.7 326.6 3.22 16 546 5214 -1.5 -11.5 46 10.0 -5.7 45 35 323.0 323.5 292.4 332.7 2.91 17 511 5738 -4.3 -24.3 19 20.0 -10.4 54 30 325.8 326.0 291.6 329.5 1.05 18 500 5910 -3.7 -25.7 16 22.0 -10.4 20 32 328.5 328.7 292.2 331.9 0.94 19 464 6494 -8.3 -21.3 34 13.0 -12.5 2 27 329.9 330.2 293.1 335.2 1.50 20 400 7630 -14.5 -33.5 18 19.0 -18.7 105 6 336.1 336.3 293.9 338.3 0.57 21 359 8439 -20.5 -40.5 15 20.0 -23.8 23 5 338.7 338.7 294.3 339.9 0.31 22 300 9740 -30.3 -46.3 19 16.0 -32.0 315 13 342.7 342.7 295.1 343.5 0.20 23 250 11010 -40.9 -53.9 23 13.0 -41.7 280 19 345.3 345.3 295.7 345.7 0.10 24 200 12490 -52.1 -64.1 22 12.0 -52.4 260 24 350.3 350.3 296.7 350.4 0.03 25 198 12555 -52.5 -64.5 22 12.0 -52.8 260 24 350.6 350.6 296.8 350.8 0.03 26 196 12621 -53.1 -65.1 22 12.0 -53.4 260 24 350.7 350.7 296.8 350.8 0.03 27 169 13558 -61.1 -71.1 25 10.0 -61.2 252 33 352.6 352.6 297.2 352.7 0.02 28 161 13858 -63.3 -74.3 21 11.0 -63.4 245 32 353.8 353.8 297.4 353.8 0.01 29 154 14130 -65.1 -75.1 24 10.0 -65.2 236 26 355.3 355.3 297.8 355.3 0.01 30 150 14290 -66.5 -76.5 23 10.0 -66.5 230 23 355.5 355.5 297.8 355.6 0.01 31 143 14577 -67.9 -77.9 23 10.0 -67.9 228 20 358.0 358.0 298.3 358.0 0.01 32 136 14876 -70.3 -80.3 22 10.0 -70.4 226 16 358.9 358.9 298.5 358.9 0.00 33 107 16260 -80.3 -90.3 17 10.0 -80.3 298 15 365.4 365.4 299.7 365.4 0.00 34 101 16584 -80.7 -90.7 17 10.0 -80.7 317 15 370.8 370.8 300.7 370.8 0.00 35 100 16640 -80.7 -90.7 17 10.0 -80.7 320 15 371.8 371.8 300.9 371.8 0.00 36 87 17426 -80.3 -89.3 21 9.0 -80.3 308 13 387.7 387.7 303.5 387.7 0.00 37 81 17831 -78.9 -87.9 22 9.0 -78.9 73 13 398.6 398.6 305.0 398.6 0.00 38 78 18045 -79.1 -88.1 21 9.0 -79.1 104 13 402.5 402.5 305.5 402.5 0.00 39 72 18500 -79.5 -88.5 21 9.0 -79.5 168 20 411.0 411.0 306.6 411.0 0.00 40 70 18660 -78.3 -86.3 26 8.0 -78.3 245 10 416.9 416.9 307.3 416.9 0.00 41 69 18742 -78.3 -86.3 26 8.0 -78.3 236 10 418.6 418.6 307.6 418.6 0.00 42 68 18825 -78.3 -86.3 26 8.0 -78.3 227 10 420.3 420.3 307.7 420.4 0.00 43 63 19267 -73.3 -83.3 20 10.0 -73.3 154 4 440.6 440.7 310.0 440.7 0.01 44 59 19655 -68.7 -77.7 26 9.0 -68.8 159 12 459.3 459.3 311.7 459.4 0.02 45 57 19861 -69.5 -77.5 30 8.0 -69.6 207 22 462.1 462.1 312.0 462.2 0.02 46 54 20183 -70.3 -79.3 25 9.0 -70.4 243 24 467.4 467.4 312.4 467.5 0.01 47 52 20407 -70.3 -78.3 30 8.0 -70.4 269 26 472.5 472.5 312.8 472.6 0.02 48 50 20640 -70.7 -79.7 25 9.0 -70.8 280 23 476.9 476.9 313.2 477.0 0.01 49 49 20760 -70.7 -79.7 25 9.0 -70.8 280 24 479.6 479.7 313.4 479.7 0.01 50 48 20882 -70.1 -80.1 22 10.0 -70.2 280 24 483.9 483.9 313.8 484.0 0.01 51 47 21008 -69.1 -77.1 30 8.0 -69.2 280 25 489.2 489.2 314.2 489.4 0.02 52 45 21269 -66.9 294 19 500.7 TRP 834 1700 23.6 14.6 57 9.0 17.4 285 8 312.6 315.0 297.0 351.5 12.63 WND Sounding variables and indices 1000-500 mb thick: 5842.00 m Freezing level: 600.00 mb = 4460.75 m = 14634.83 ft Wetbulb zero: 644.74 mb = 3872.56 m = 12705.09 ft Precipitable water: 1.59 inches Sfc-500 mean rel hum: 45.47 % Est. max temperature: 37.19 C = 98.93 F Sfc-Lift cond lev (LCL): 763.87 mb = 2459.28 m = 8068.41 ft T: 18.23 C 700-500 lapse rate: 5.72 C/km ThetaE index: 19.38 C Layer 768.0- 546.0 mb Conv cond level (CCL): 727.64 mb = 2873.62 m = 9427.76 ft Mean mixing ratio: 14.76 g/kg Conv temperature: 39.91 C = 103.84 F Cap Strength: 1.93 C Lifted Index: -3.54 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -6.24 C Lifted Index @700 mb: -0.93 C Showalter Index: -1.55 C Risk: Thunderstorms probable Total Totals Index: 47.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 28.90 C Cross Totals Index: 18.90 C K Index: 31.10 Risk: 60-80 % chance of thunderstorms Sweat Index: 224.40 Risk: None Energy Index: -3.89 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2199.90 J/kg Max Up Vert Vel: 66.33 m/s Conv Inhibition (B-): 35.38 J/kg Cap Strength: 1.93 C Lift Cond Lev (LCL): 754.67 mb = 2562.58 m = 8407.32 ft Lev Free Conv (LFC): 709.67 mb = 3084.60 m = 10119.96 ft Equ Level (EL): 139.67 mb = 14716.92 m = 48283.26 ft B at Equ Level: 2199.56 J/kg Max Parcel Lev (MPL): 69.67 mb = 18686.62 m = 61307.05 ft Wind level data Storm motion: 89 at 14 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 ---------------------------------------------------------- 0 974 306 280 4 3.9 -0.7 | 271 18 18.2 -0.4 1 942 610 250 3 2.8 1.0 | 266 17 17.1 1.3 2 925 779 250 3 2.8 1.0 | 266 17 17.1 1.3 3 911 914 295 3 2.7 -1.3 | 273 17 17.0 -1.0 4 881 1219 295 4 3.6 -1.7 | 274 18 17.9 -1.4 5 850 1534 315 5 3.5 -3.5 | 280 18 17.8 -3.2 6 834 1700 285 8 7.7 -2.1 | 275 22 22.0 -1.8 7 822 1829 285 8 7.7 -2.1 | 275 22 22.0 -1.8 8 793 2134 200 5 1.7 4.7 | 253 17 16.0 5.0 9 738 2743 90 24 -24.0 0.0 | 92 10 -9.7 0.3 10 700 3200 90 20 -20.0 0.0 | 93 6 -5.7 0.3 11 661 3658 85 23 -22.9 -2.0 | 79 9 -8.6 -1.7 12 613 4267 70 23 -21.6 -7.9 | 44 11 -7.3 -7.6 13 590 4572 65 24 -21.8 -10.1 | 37 12 -7.5 -9.8 14 547 5182 45 35 -24.7 -24.7 | 23 27 -10.5 -24.5 15 507 5791 55 29 -23.8 -16.6 | 30 19 -9.5 -16.3 16 500 5910 20 32 -10.9 -30.1 | 354 30 3.3 -29.8 17 469 6401 360 27 -0.0 -27.0 | 332 30 14.3 -26.7 18 433 7010 15 28 -7.2 -27.0 | 345 28 7.0 -26.7 19 417 7315 65 11 -10.0 -4.6 | 315 6 4.3 -4.4 20 400 7630 105 6 -5.8 1.6 | 258 9 8.5 1.8 21 384 7925 155 4 -1.7 3.6 | 253 13 12.6 3.9 22 369 8230 50 2 -1.5 -1.3 | 274 13 12.7 -1.0 23 339 8839 325 11 6.3 -9.0 | 293 22 20.6 -8.7 24 300 9740 315 13 9.2 -9.2 | 291 25 23.5 -8.9 25 287 10058 295 14 12.7 -5.9 | 282 28 27.0 -5.6 26 250 11010 280 19 18.7 -3.3 | 275 33 33.0 -3.0 27 209 12192 270 23 23.0 -0.0 | 270 37 37.3 0.3 28 200 12490 260 24 23.6 4.2 | 263 38 37.9 4.5 29 190 12802 260 25 24.6 4.3 | 263 39 38.9 4.6 30 164 13716 250 35 32.9 12.0 | 255 49 47.2 12.3 31 150 14290 230 23 17.6 14.8 | 245 35 31.9 15.1 32 134 14935 225 15 10.6 10.6 | 246 27 24.9 10.9 33 100 16640 320 15 9.6 -11.5 | 295 26 23.9 -11.2 34 98 16764 320 15 9.6 -11.5 | 295 26 23.9 -11.2 35 93 17069 300 10 8.7 -5.0 | 282 23 22.9 -4.7 36 88 17374 285 13 12.6 -3.4 | 277 27 26.8 -3.1 37 83 17678 50 14 -10.7 -9.0 | 338 9 3.5 -8.7 38 75 18288 140 12 -7.7 9.2 | 215 12 6.6 9.5 39 71 18593 180 24 0.0 24.0 | 210 28 14.3 24.3 40 70 18660 245 10 9.1 4.2 | 259 24 23.3 4.5 41 67 18898 220 10 6.4 7.7 | 249 22 20.7 8.0 42 61 19507 115 1 -0.9 0.4 | 267 13 13.4 0.7 43 58 19812 200 22 7.5 20.7 | 226 30 21.8 21.0 44 52 20422 270 26 26.0 -0.0 | 270 40 40.3 0.3 45 50 20640 280 23 22.7 -4.0 | 276 37 36.9 -3.7 46 46 21031 280 25 24.6 -4.3 | 276 39 38.9 -4.0 47 44 21336 310 12 9.2 -7.7 | 288 25 23.5 -7.4 48 41 21641 345 13 3.4 -12.6 | 305 21 17.6 -12.3 Wind Parameters Mean winds (0-6000m): 58.8 at 19.0 knts Storm direction: 88.8 at 14.3 knts Shear (0-3000m) pos: 0.5 neg: 4.4 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): 177.7 deg Storm rel helicity (0-3000m) pos: 20.3 neg: -164.5 tot: -144.2 m^2/s^2 ave: -48.1 10^-3 m/s^2 rel: -0.68 Storm rel vorticity (0-3000m) horiz: 10.2 stream: -6.9 10^-3/s Energy-Hel index: 0.28 Bulk Rich Number: 33.97 Bulk Shear: 64.76 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 ------------------------------------------------------------------------------- 500 261 3 267 18| 0.0 1.7 1.7| 2.1 -8.3 -6.2 -12.4 -0.51| 2.6 -1.3 1000 278 3 270 18| 1.5 0.8 2.3| 14.4 -8.3 6.1 6.1 0.24| 3.0 0.7 1500 287 4 273 18| 1.0 1.1 2.1| 20.1 -18.3 1.8 1.2 0.06| 3.9 0.2 2000 271 5 269 19| 0.7 3.9 4.6| 20.1 -90.4 -70.3 -35.2 -0.50| 7.2 -3.6 2500 94 8 263 7| 0.6 5.8 6.4| 20.1-163.8-143.7 -57.5 -0.72| 11.4 -8.2 3000 90 10 265 4| 0.5 4.4 4.9| 20.3-164.5-144.2 -48.1 -0.68| 10.2 -6.9 4000 84 13 320 2| 0.4 3.4 3.8| 20.3-182.0-161.7 -40.4 -0.69| 8.8 -6.1 5000 71 17 15 5| 0.3 3.6 3.9| 24.0-211.0-187.0 -37.4 -0.61| 8.9 -5.4 6000 59 19 12 10| 0.3 2.6 2.9| 34.7-377.0-342.4 -57.1 -0.63| 10.2 -6.5 Wrote GIF file: /home/apache/climate/data/raob//DFFD/skewt/DFFD.skewt.20250419.12.gif