UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041712.upa.cvt Date: 1200Z 17 APR 25 Searching for DFFD... Searching the city database file for: DFFD ... Date:1200Z 17 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 100 SFC 977 306 34.2 21.2 47 13.0 24.6 180 12 309.4 312.5 298.6 359.4 16.44 2 965 419 31.4 20.4 52 11.0 23.4 191 13 307.7 310.6 297.8 355.5 15.83 3 925 801 27.0 19.0 62 8.0 21.3 210 14 306.9 309.7 297.1 352.4 15.12 4 866 1380 21.8 16.8 73 5.0 18.3 205 14 307.3 310.0 296.5 349.7 14.04 5 850 1542 21.2 16.2 73 5.0 17.7 200 13 308.4 310.9 296.6 350.0 13.76 6 841 1634 21.0 15.0 69 6.0 16.9 205 12 309.1 311.5 296.2 348.1 12.86 7 805 2011 18.2 13.4 74 4.8 15.0 223 8 310.0 312.3 296.0 346.9 12.09 8 709 3088 12.0 -5.0 30 17.0 3.6 79 15 314.6 315.3 290.7 326.5 3.72 9 700 3195 11.2 -4.8 32 16.0 3.2 80 15 314.9 315.6 290.9 327.1 3.82 10 656 3732 7.0 -6.0 39 13.0 0.8 72 15 316.1 316.8 291.2 328.1 3.72 11 651 3795 7.0 -6.0 39 13.0 0.7 69 16 316.7 317.5 291.4 328.9 3.75 12 600 4459 2.0 -7.0 51 9.0 -2.2 44 15 318.4 319.2 291.9 330.7 3.77 13 556 5068 -3.1 -10.1 58 7.0 -6.1 21 10 319.4 320.0 291.7 329.9 3.19 14 543 5255 -3.7 -11.7 54 8.0 -7.0 12 8 320.9 321.4 291.8 330.4 2.87 15 525 5523 -0.9 -24.9 14 24.0 -8.4 359 5 327.3 327.5 291.9 330.8 0.97 16 500 5910 -4.1 -31.1 10 27.0 -11.2 325 4 328.0 328.2 291.7 330.1 0.57 17 485 6149 -5.9 -31.9 11 26.0 -12.5 331 6 328.7 328.8 291.9 330.7 0.54 18 471 6378 -5.9 -33.9 9 28.0 -12.7 357 13 331.5 331.6 292.6 333.2 0.46 19 454 6665 -8.3 -28.3 18 20.0 -13.7 355 14 332.0 332.1 293.0 335.0 0.82 20 400 7630 -17.1 -29.1 34 12.0 -20.0 335 13 332.8 332.9 293.3 335.9 0.86 21 359 8432 -23.7 -30.7 53 7.0 -25.1 305 16 334.4 334.5 293.7 337.4 0.83 22 350 8618 -24.9 -32.9 47 8.0 -26.4 310 19 335.2 335.3 293.7 337.8 0.69 23 300 9730 -29.5 -46.5 18 17.0 -31.4 300 25 343.8 343.8 295.4 344.6 0.20 24 268 10522 -35.7 -55.7 11 20.0 -37.1 295 19 346.0 346.1 295.8 346.4 0.08 25 250 11000 -40.3 -53.3 24 13.0 -41.1 295 17 346.2 346.2 295.8 346.6 0.11 26 227 11650 -45.5 -50.5 57 5.0 -45.8 280 16 347.9 347.9 296.3 348.6 0.16 27 210 12163 -49.7 -55.7 49 6.0 -50.0 261 17 349.2 349.2 296.5 349.6 0.10 28 200 12480 -52.5 -57.5 55 5.0 -52.7 250 19 349.6 349.6 296.6 350.0 0.08 29 191 12775 -55.1 -59.3 59 4.2 -55.2 248 21 350.1 350.1 296.7 350.4 0.07 30 177 13256 -59.3 -63.7 57 4.4 -59.4 254 25 350.9 350.9 296.8 351.1 0.04 31 166 13654 -62.5 -66.2 61 3.7 -62.6 253 27 352.1 352.1 297.1 352.2 0.03 32 150 14270 -67.7 -71.5 58 3.8 -67.7 220 28 353.5 353.5 297.4 353.5 0.02 33 140 14684 -69.9 -74.1 54 4.2 -69.9 224 28 356.6 356.6 298.0 356.7 0.01 34 111 16038 -78.7 -81.4 64 2.7 -78.7 284 15 364.6 364.6 299.6 364.6 0.00 35 100 16630 -81.1 -83.1 72 2.0 -81.1 305 15 371.0 371.0 300.8 371.1 0.00 36 88 17349 -78.5 18 10 390.1 37 70 18650 -77.1 -79.7 66 2.6 -77.1 235 19 419.4 419.4 307.6 419.5 0.01 38 50 20630 -67.1 -70.4 63 3.3 -67.2 185 13 485.4 485.4 313.9 485.7 0.06 39 30 23790 -56.5 -65.5 31 9.0 -57.4 90 26 590.6 590.7 320.2 592.0 0.19 40 20 26350 -53.5 -77.5 4 24.0 -56.0 95 25 672.4 672.4 323.5 672.8 0.05 TRP 866 1380 21.8 16.8 73 5.0 18.3 205 14 307.3 310.0 296.5 349.7 14.04 WND Sounding variables and indices 1000-500 mb thick: 5810.00 m Freezing level: 582.75 mb = 4698.05 m = 15413.37 ft Wetbulb zero: 638.42 mb = 3954.09 m = 12972.57 ft Precipitable water: 1.59 inches Sfc-500 mean rel hum: 49.57 % Est. max temperature: 34.24 C = 93.62 F Sfc-Lift cond lev (LCL): 810.55 mb = 1951.89 m = 6403.75 ft T: 18.64 C 700-500 lapse rate: 5.64 C/km ThetaE index: 23.47 C Layer 841.0- 700.0 mb Conv cond level (CCL): 772.75 mb = 2357.84 m = 7735.61 ft Mean mixing ratio: 15.16 g/kg Conv temperature: 36.28 C = 97.30 F Cap Strength: 2.17 C Lifted Index: -2.24 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.74 C Lifted Index @700 mb: -0.22 C Showalter Index: -1.13 C Risk: Thunderstorms probable Total Totals Index: 45.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.30 C Cross Totals Index: 20.30 C K Index: 25.50 Risk: 40-60 % chance of thunderstorms Sweat Index: 224.40 Risk: None Energy Index: -3.79 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1272.14 J/kg Max Up Vert Vel: 50.44 m/s Conv Inhibition (B-): 67.39 J/kg Cap Strength: 2.17 C Lift Cond Lev (LCL): 819.22 mb = 1860.28 m = 6103.21 ft Lev Free Conv (LFC): 704.22 mb = 3144.70 m = 10317.12 ft Equ Level (EL): 154.22 mb = 14101.39 m = 46263.83 ft B at Equ Level: 1269.48 J/kg Max Parcel Lev (MPL): 84.22 mb = 17598.50 m = 57737.17 ft Wind level data Storm motion: 111 at 9 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 ---------------------------------------------------------- 0 977 306 180 12 0.0 12.0 | 223 12 8.2 8.9 1 945 610 210 15 7.5 13.0 | 238 18 15.7 9.9 2 925 801 210 14 7.0 12.1 | 239 18 15.2 9.0 3 913 914 210 14 7.0 12.1 | 239 18 15.2 9.0 4 882 1219 210 13 6.5 11.3 | 241 17 14.7 8.1 5 866 1380 205 14 5.9 12.7 | 236 17 14.1 9.6 6 850 1542 200 13 4.4 12.2 | 234 16 12.6 9.1 7 793 2134 230 6 4.6 3.9 | 267 13 12.8 0.7 8 738 2743 75 16 -15.5 -4.1 | 45 10 -7.3 -7.3 9 700 3195 80 15 -14.8 -2.6 | 49 9 -6.6 -5.7 10 686 3353 90 13 -13.0 0.0 | 57 6 -4.8 -3.1 11 636 3962 60 17 -14.7 -8.5 | 29 13 -6.6 -11.6 12 613 4267 50 16 -12.3 -10.3 | 17 14 -4.1 -13.4 13 590 4572 40 14 -9.0 -10.7 | 3 14 -0.8 -13.9 14 568 4877 30 12 -6.0 -10.4 | 351 14 2.2 -13.5 15 507 5791 345 2 0.5 -1.9 | 300 10 8.7 -5.1 16 500 5910 325 4 2.3 -3.3 | 302 12 10.5 -6.4 17 488 6096 325 4 2.3 -3.3 | 302 12 10.5 -6.4 18 469 6401 360 14 -0.0 -14.0 | 335 19 8.2 -17.1 19 400 7630 335 13 5.5 -11.8 | 318 20 13.7 -14.9 20 368 8230 300 14 12.1 -7.0 | 297 23 20.3 -10.1 21 325 9144 325 26 14.9 -21.3 | 317 34 23.1 -24.4 22 300 9730 300 25 21.7 -12.5 | 298 34 29.8 -15.6 23 274 10363 295 20 18.1 -8.5 | 294 29 26.3 -11.6 24 250 11000 295 17 15.4 -7.2 | 294 26 23.6 -10.3 25 240 11278 295 17 15.4 -7.2 | 294 26 23.6 -10.3 26 219 11887 270 16 16.0 -0.0 | 277 24 24.2 -3.1 27 200 12480 250 19 17.9 6.5 | 263 26 26.0 3.4 28 181 13106 245 24 21.8 10.1 | 257 31 29.9 7.0 29 172 13411 265 27 26.9 2.4 | 271 35 35.1 -0.8 30 150 14270 220 28 18.0 21.4 | 235 32 26.2 18.3 31 141 14630 220 28 18.0 21.4 | 235 32 26.2 18.3 32 127 15240 275 21 20.9 -1.8 | 280 29 29.1 -5.0 33 114 15850 295 16 14.5 -6.8 | 294 25 22.7 -9.9 34 109 16154 275 14 13.9 -1.2 | 281 23 22.1 -4.4 35 100 16630 305 15 12.3 -8.6 | 300 24 20.4 -11.7 36 98 16764 305 15 12.3 -8.6 | 300 24 20.4 -11.7 37 79 17983 95 4 -4.0 0.3 | 304 5 4.2 -2.8 38 71 18593 230 16 12.3 10.3 | 251 22 20.4 7.1 39 70 18650 235 19 15.6 10.9 | 252 25 23.7 7.8 40 67 18898 235 19 15.6 10.9 | 252 25 23.7 7.8 41 64 19202 315 12 8.5 -8.5 | 305 20 16.6 -11.6 42 61 19507 5 10 -0.9 -10.0 | 331 15 7.3 -13.1 43 57 19812 165 7 -1.8 6.8 | 240 7 6.3 3.6 44 55 20117 140 16 -10.3 12.3 | 167 9 -2.1 9.1 45 50 20630 185 13 1.1 13.0 | 223 14 9.3 9.8 46 45 21336 255 34 32.8 8.8 | 262 41 41.0 5.7 47 38 22250 290 28 26.3 -9.6 | 290 37 34.5 -12.7 48 33 23165 40 19 -12.2 -14.6 | 13 18 -4.1 -17.7 49 30 23790 90 26 -26.0 0.0 | 80 18 -17.8 -3.1 50 29 24079 90 22 -22.0 0.0 | 77 14 -13.8 -3.1 51 23 25603 125 29 -23.8 16.6 | 131 21 -15.6 13.5 52 21 25908 155 8 -3.4 7.3 | 229 6 4.8 4.1 53 20 26350 95 25 -24.9 2.2 | 87 17 -16.7 -1.0 54 15 27432 85 35 -34.9 -3.1 | 77 27 -26.7 -6.2 Wind Parameters Mean winds (0-6000m): 81.0 at 11.7 knts Storm direction: 111.0 at 8.7 knts Shear (0-3000m) pos: 1.4 neg: 4.3 tot: 5.6 10-3/s Storm rel Dir Shear (0-3000m): -167.9 deg Storm rel helicity (0-3000m) pos: 53.8 neg: -62.5 tot: -8.7 m^2/s^2 ave: -2.9 10^-3 m/s^2 rel: -0.29 Storm rel vorticity (0-3000m) horiz: 9.6 stream: -2.7 10^-3/s Energy-Hel index: 0.40 Bulk Rich Number: 19.37 Bulk Shear: 65.68 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 ------------------------------------------------------------------------------- 500 202 14 234 17| 7.2 0.0 7.2| 19.1 0.0 19.1 38.2 0.53| 8.8 4.7 1000 206 14 237 17| 3.6 0.4 4.0| 21.3 -3.5 17.7 17.7 0.41| 5.3 2.2 1500 206 13 238 16| 2.5 0.3 2.7| 36.9 -8.3 28.6 19.1 0.44| 5.6 2.4 2000 206 12 241 15| 1.9 1.4 3.2| 50.9 -25.8 25.1 12.5 0.20| 6.8 1.4 2500 196 12 233 14| 1.5 5.1 6.6| 50.9 -62.5 -11.7 -4.7 -0.33| 10.7 -3.6 3000 173 13 215 11| 1.4 4.3 5.6| 53.8 -62.5 -8.7 -2.9 -0.29| 9.6 -2.7 4000 124 13 146 5| 1.0 3.8 4.8| 53.8 -85.9 -32.2 -8.0 -0.35| 8.7 -3.0 5000 92 13 62 6| 0.8 2.1 3.0| 53.8-127.6 -73.8 -14.8 -0.44| 8.2 -3.6 6000 81 12 34 6| 1.1 1.3 2.4| 76.6-142.8 -66.2 -11.0 -0.36| 8.1 -2.9 Wrote GIF file: /home/apache/climate/data/raob//DFFD/skewt/DFFD.skewt.20250417.12.gif