UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042612.upa.cvt Date: 1200Z 26 APR 25 Searching for DFFD... Searching the city database file for: DFFD ... Date:1200Z 26 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 64 SFC 974 306 35.6 20.6 42 15.0 24.6 280 8 311.1 314.1 298.7 359.7 15.87 2 962 419 32.6 20.6 49 12.0 23.8 278 9 309.2 312.2 298.3 358.0 16.08 3 925 772 29.2 18.2 52 11.0 21.3 255 8 309.2 311.9 297.3 352.8 14.36 4 882 1193 25.2 17.2 61 8.0 19.6 275 8 309.3 311.9 297.1 352.2 14.14 5 876 1253 24.8 16.8 61 8.0 19.2 269 8 309.4 312.1 297.0 351.6 13.87 6 864 1374 24.8 15.8 57 9.0 18.5 245 7 310.7 313.2 296.8 351.0 13.18 7 860 1415 25.4 14.4 51 11.0 17.9 248 7 311.7 314.0 296.4 348.8 12.08 8 850 1518 24.6 13.6 50 11.0 17.1 255 6 311.9 314.1 296.1 347.6 11.60 9 751 2590 18.6 -4.4 21 23.0 6.8 106 16 316.6 317.4 291.3 328.5 3.67 10 700 3187 13.2 -5.8 26 19.0 3.8 100 25 317.1 317.8 291.3 328.6 3.54 11 607 4363 2.0 -2.9 70 4.9 -0.5 56 22 317.4 318.4 292.7 333.7 5.09 12 600 4456 1.4 -3.6 69 5.0 -1.1 52 23 317.7 318.7 292.6 333.4 4.89 13 567 4910 -1.5 -9.5 54 8.0 -5.0 63 19 319.5 320.1 291.8 330.3 3.28 14 564 4953 -1.5 -9.5 54 8.0 -5.0 65 19 320.0 320.6 291.9 330.8 3.30 15 557 5052 -0.9 -8.9 55 8.0 -4.5 70 17 321.8 322.5 292.6 333.4 3.50 16 549 5168 -0.7 -10.7 47 10.0 -5.0 77 16 323.4 324.0 292.7 333.7 3.08 17 534 5389 -1.5 -12.5 43 11.0 -6.1 89 13 325.0 325.6 292.9 334.3 2.74 18 517 5646 -3.7 -11.7 54 8.0 -7.1 108 11 325.4 326.0 293.2 335.6 3.02 19 500 5910 -5.7 -14.7 49 9.0 -9.2 130 11 326.1 326.6 292.9 334.4 2.45 20 467 6440 -8.7 -31.7 14 23.0 -14.3 142 20 328.8 328.9 292.0 330.9 0.58 21 400 7620 -15.3 -22.3 55 7.0 -17.4 195 18 335.1 335.4 294.5 340.8 1.60 22 385 7908 -16.9 -21.9 65 5.0 -18.4 195 17 336.7 337.0 295.0 342.9 1.72 23 354 8532 -21.5 -30.5 44 9.0 -23.5 167 11 338.7 338.9 294.8 341.9 0.85 24 300 9730 -30.3 -34.0 70 3.7 -30.9 235 13 342.7 342.8 295.6 345.4 0.72 25 271 10444 -35.7 -38.7 74 3.0 -36.1 249 12 344.9 345.0 296.0 346.9 0.50 26 265 10599 -36.7 -39.9 72 3.2 -37.1 258 12 345.7 345.8 296.1 347.5 0.45 27 252 10946 -39.3 -42.2 74 2.9 -39.6 278 13 346.8 346.9 296.3 348.3 0.37 28 250 11000 -39.7 -42.7 73 3.0 -40.0 270 12 347.0 347.1 296.3 348.5 0.35 29 228 11625 -45.1 -48.2 71 3.1 -45.3 215 13 348.1 348.1 296.4 348.9 0.21 30 200 12490 -52.1 -54.4 76 2.3 -52.2 215 19 350.3 350.3 296.8 350.8 0.12 31 199 12522 -52.5 -54.8 76 2.3 -52.6 201 18 350.1 350.2 296.8 350.6 0.11 32 164 13738 -63.3 -65.9 71 2.6 -63.3 218 19 351.9 351.9 297.1 352.1 0.03 33 150 14280 -67.1 -69.0 77 1.9 -67.1 170 19 354.5 354.5 297.6 354.6 0.02 34 120 15594 -75.9 -76.7 88 0.8 -75.9 150 41 361.7 361.7 299.0 361.8 0.01 35 116 15790 -75.9 -77.2 82 1.3 -75.9 150 38 365.2 365.2 299.7 365.3 0.01 36 114 15890 -75.9 -77.3 80 1.4 -75.9 154 36 367.1 367.1 300.1 367.1 0.01 37 104 16417 -77.9 -78.0 98 0.1 -77.9 233 14 373.0 373.0 301.1 373.0 0.01 38 100 16640 -78.7 -79.0 95 0.3 -78.7 180 1 375.7 375.7 301.5 375.7 0.01 39 90 17239 -81.1 -81.7 91 0.6 -81.1 48 11 382.4 382.4 302.6 382.4 0.01 40 86 17495 -81.5 -82.3 88 0.8 -81.5 3 12 386.6 386.6 303.3 386.6 0.01 41 85 17561 -81.7 -82.4 89 0.7 -81.7 359 10 387.5 387.5 303.4 387.5 0.01 42 83 17696 -81.1 -82.1 85 1.0 -81.1 352 8 391.3 391.3 304.0 391.4 0.01 43 73 18422 -80.1 -80.1 100 0.0 -80.1 256 5 408.1 408.1 306.3 408.1 0.01 44 70 18660 -80.5 -80.7 97 0.2 -80.5 240 10 412.2 412.2 306.8 412.2 0.01 45 50 20630 -66.7 -66.7 100 0.0 -66.7 65 6 486.3 486.3 314.0 486.9 0.10 46 42 21690 -61.3 -61.3 100 0.0 -61.3 304 4 524.5 524.6 316.7 526.1 0.24 47 30 23790 -56.5 -56.5 100 0.0 -56.5 65 5 590.6 590.8 320.4 595.0 0.61 48 30 23790 -56.7 -56.7 100 0.0 -56.7 65 5 590.1 590.3 320.3 594.4 0.59 49 24 25227 -50.3 -51.4 88 1.1 -50.7 72 18 647.5 648.1 323.0 658.5 1.40 50 23 25505 -49.3 -50.3 89 1.0 -49.6 83 20 658.4 659.1 323.4 671.6 1.66 51 22 25797 -49.9 -50.3 96 0.4 -50.0 95 22 665.1 665.8 323.7 679.0 1.74 52 21 26101 -50.1 -50.7 93 0.6 -50.3 107 25 673.4 674.1 324.0 687.5 1.74 53 20 26420 -49.9 -50.8 90 0.9 -50.2 120 27 683.4 684.2 324.4 698.3 1.81 54 18 27107 -50.9 -51.7 91 0.8 -51.2 118 25 701.2 702.0 325.0 716.5 1.81 55 17 27480 -50.9 -51.9 89 1.0 -51.2 117 25 712.7 713.6 325.3 728.9 1.87 56 16 27876 -48.7 -51.1 76 2.4 -49.7 116 26 732.4 733.4 326.0 751.7 2.18 57 16 27876 -48.7 -50.9 78 2.2 -49.6 116 26 732.4 733.4 326.0 752.2 2.23 58 15 28299 -50.1 -52.1 79 2.0 -50.9 114 26 741.4 742.3 326.2 760.0 2.07 59 13 29238 -48.3 -52.3 63 4.0 -50.1 111 28 778.6 779.7 327.3 800.7 2.33 TRP 864 1374 24.8 15.8 57 9.0 18.5 245 7 310.7 313.2 296.8 351.0 13.18 WND Sounding variables and indices 1000-500 mb thick: 5846.00 m Freezing level: 584.07 mb = 4675.56 m = 15339.58 ft Wetbulb zero: 617.89 mb = 4216.21 m = 13832.54 ft Precipitable water: 1.50 inches Sfc-500 mean rel hum: 46.06 % Est. max temperature: 37.61 C = 99.70 F Sfc-Lift cond lev (LCL): 785.47 mb = 2201.51 m = 7222.70 ft T: 20.77 C 700-500 lapse rate: 6.94 C/km ThetaE index: 31.17 C Layer 962.0- 700.0 mb Conv cond level (CCL): 712.35 mb = 3038.53 m = 9968.81 ft Mean mixing ratio: 14.77 g/kg Conv temperature: 41.47 C = 106.65 F Cap Strength: 4.96 C Lifted Index: -4.20 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -4.19 C Lifted Index @700 mb: 1.46 C Showalter Index: -1.85 C Risk: Thunderstorms probable Total Totals Index: 49.60 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 30.30 C Cross Totals Index: 19.30 C K Index: 24.90 Risk: 20-40 % chance of thunderstorms Sweat Index: 198.20 Risk: None Energy Index: -2.51 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1373.99 J/kg Max Up Vert Vel: 52.42 m/s Conv Inhibition (B-): 228.30 J/kg Cap Strength: 4.96 C Lift Cond Lev (LCL): 792.18 mb = 2127.89 m = 6981.19 ft Lev Free Conv (LFC): 667.18 mb = 3583.09 m = 11755.40 ft Equ Level (EL): 147.18 mb = 14391.77 m = 47216.50 ft B at Equ Level: 1362.47 J/kg Max Parcel Lev (MPL): 87.18 mb = 17418.50 m = 57146.63 ft Wind level data Storm motion: 118 at 12 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 8 7.9 -1.4 | 291 20 18.4 -7.0 1 942 610 275 11 11.0 -1.0 | 287 22 21.5 -6.5 2 925 772 255 8 7.7 2.1 | 281 19 18.3 -3.5 3 910 914 275 11 11.0 -1.0 | 287 22 21.5 -6.5 4 879 1219 275 8 8.0 -0.7 | 289 20 18.5 -6.3 5 864 1374 245 7 6.3 3.0 | 279 17 16.9 -2.6 6 850 1518 255 6 5.8 1.6 | 284 17 16.3 -4.0 7 791 2134 110 10 -9.4 3.4 | 332 2 1.1 -2.2 8 700 3187 100 25 -24.6 4.3 | 85 14 -14.1 -1.2 9 613 4267 60 22 -19.1 -11.0 | 27 19 -8.5 -16.6 10 590 4572 45 24 -17.0 -17.0 | 16 23 -6.4 -22.6 11 527 5486 95 11 -11.0 1.0 | 5 5 -0.4 -4.6 12 500 5910 130 11 -8.4 7.1 | 235 3 2.1 1.5 13 488 6096 145 21 -12.0 17.2 | 173 12 -1.5 11.6 14 451 6706 140 19 -12.2 14.6 | 169 9 -1.7 9.0 15 416 7315 145 16 -9.2 13.1 | 190 8 1.4 7.5 16 400 7620 195 18 4.7 17.4 | 232 19 15.2 11.8 17 368 8230 195 15 3.9 14.5 | 238 17 14.4 8.9 18 353 8534 165 11 -2.8 10.6 | 237 9 7.7 5.0 19 339 8839 200 5 1.7 4.7 | 274 12 12.3 -0.9 20 325 9144 250 8 7.5 2.7 | 279 18 18.1 -2.9 21 312 9449 220 16 10.3 12.3 | 252 22 20.8 6.7 22 300 9730 235 13 10.6 7.5 | 265 21 21.2 1.9 23 274 10363 245 12 10.9 5.1 | 271 21 21.4 -0.5 24 251 10973 280 13 12.8 -2.3 | 289 25 23.3 -7.8 25 250 11000 270 12 12.0 -0.0 | 284 23 22.5 -5.6 26 229 11582 215 13 7.5 10.6 | 254 19 18.0 5.1 27 200 12490 215 19 10.9 15.6 | 245 24 21.4 10.0 28 200 12497 200 18 6.2 16.9 | 236 20 16.7 11.3 29 172 13411 245 19 17.2 8.0 | 265 28 27.8 2.4 30 150 14280 170 19 -3.3 18.7 | 209 15 7.2 13.1 31 149 14326 200 16 5.5 15.0 | 239 19 16.0 9.4 32 121 15545 150 41 -20.5 35.5 | 162 32 -10.0 29.9 33 115 15850 150 37 -18.5 32.0 | 163 28 -8.0 26.5 34 103 16459 240 12 10.4 6.0 | 269 21 20.9 0.4 35 100 16640 180 1 0.0 1.0 | 294 12 10.5 -4.6 36 98 16764 180 1 0.0 1.0 | 294 12 10.5 -4.6 37 88 17374 10 14 -2.4 -13.8 | 337 21 8.1 -19.4 38 79 17983 335 2 0.8 -1.8 | 303 14 11.4 -7.4 39 71 18593 225 6 4.2 4.2 | 275 15 14.8 -1.3 40 70 18660 240 10 8.7 5.0 | 272 19 19.2 -0.6 41 67 18898 240 10 8.7 5.0 | 272 19 19.2 -0.6 42 64 19202 65 3 -2.7 -1.3 | 311 10 7.8 -6.9 43 57 19812 310 6 4.6 -3.9 | 302 18 15.1 -9.4 44 55 20117 105 12 -11.6 3.1 | 23 3 -1.0 -2.5 45 50 20630 65 6 -5.4 -2.5 | 328 10 5.1 -8.1 46 47 21031 65 6 -5.4 -2.5 | 328 10 5.1 -8.1 47 45 21336 270 3 3.0 -0.0 | 292 15 13.5 -5.6 48 40 21946 325 4 2.3 -3.3 | 305 16 12.8 -8.9 49 38 22250 275 4 4.0 -0.3 | 292 16 14.5 -5.9 50 37 22555 360 2 -0.0 -2.0 | 306 13 10.5 -7.6 51 35 22860 10 2 -0.3 -2.0 | 307 13 10.2 -7.6 52 32 23470 65 16 -14.5 -6.8 | 18 13 -4.0 -12.4 53 30 23774 110 4 -3.8 1.4 | 302 8 6.8 -4.2 54 30 23790 65 5 -4.5 -2.1 | 322 10 6.0 -7.7 55 26 24689 50 14 -10.7 -9.0 | 1 15 -0.2 -14.6 56 20 26420 120 27 -23.4 13.5 | 122 15 -12.8 7.9 57 20 26518 120 24 -20.8 12.0 | 122 12 -10.2 6.4 58 12 28346 110 28 -26.3 9.6 | 104 16 -15.8 4.0 59 9 29566 90 40 -40.0 0.0 | 79 30 -29.5 -5.6 Wind Parameters Mean winds (0-6000m): 87.9 at 15.9 knts Storm direction: 117.9 at 11.9 knts Shear (0-3000m) pos: 0.0 neg: 5.6 tot: 5.6 10-3/s Storm rel Dir Shear (0-3000m): 146.4 deg Storm rel helicity (0-3000m) pos: 25.9 neg: -66.7 tot: -40.8 m^2/s^2 ave: -13.6 10^-3 m/s^2 rel: -0.04 Storm rel vorticity (0-3000m) horiz: 9.4 stream: -0.4 10^-3/s Energy-Hel index: 0.19 Bulk Rich Number: 16.20 Bulk Shear: 84.80 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 9 287 21| 0.0 3.1 3.1| 0.0 -18.1 -18.1 -36.1 -0.50| 6.7 -3.3 1000 272 9 287 21| 0.0 1.5 1.5| 13.7 -27.7 -14.0 -14.0 -0.18| 7.6 -1.4 1500 263 9 283 20| 0.0 3.9 3.9| 18.3 -56.4 -38.1 -25.4 -0.34| 8.8 -3.0 2000 253 9 279 19| 0.0 5.2 5.2| 22.1 -59.5 -37.4 -18.7 -0.09| 10.3 -0.9 2500 177 10 245 11| 0.0 5.7 5.7| 25.1 -59.5 -34.4 -13.7 -0.01| 9.8 -0.1 3000 117 12 104 0| 0.0 5.6 5.6| 25.9 -66.7 -40.8 -13.6 -0.04| 9.4 -0.4 4000 92 15 44 7| 0.0 3.7 3.7| 25.9-129.5-103.6 -25.9 -0.24| 9.0 -2.2 5000 79 16 32 10| 1.1 2.8 3.9| 42.1-148.6-106.5 -21.3 -0.19| 9.4 -1.8 6000 88 16 41 8| 2.4 2.3 4.7| 42.1-158.5-116.4 -19.4 -0.25| 9.7 -2.4 Wrote GIF file: /home/apache/climate/data/raob//DFFD/skewt/DFFD.skewt.20250426.12.gif