UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042012.upa.cvt Date: 1200Z 20 APR 25 Searching for DFFD... Searching the city database file for: DFFD ... Date:1200Z 20 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 71 SFC 974 306 35.0 22.0 47 13.0 25.3 220 12 310.5 313.8 299.4 363.5 17.34 2 962 420 32.4 22.4 56 10.0 25.0 227 12 309.0 312.3 299.4 363.7 18.01 3 925 777 28.2 21.2 66 7.0 23.0 225 11 308.1 311.4 298.8 360.8 17.39 4 882 1198 24.4 19.4 74 5.0 20.8 250 10 308.4 311.5 298.2 357.8 16.29 5 869 1329 23.6 18.6 74 5.0 20.0 243 8 308.9 311.9 298.0 356.6 15.71 6 858 1440 22.6 16.6 69 6.0 18.4 235 6 309.0 311.6 297.0 351.4 13.99 7 851 1512 23.4 14.4 57 9.0 17.2 231 5 310.6 312.9 296.1 347.9 12.21 8 850 1522 23.4 14.4 57 9.0 17.2 230 5 310.7 313.0 296.2 348.0 12.23 9 845 1573 23.2 13.2 53 10.0 16.5 248 5 311.0 313.1 295.7 345.8 11.36 10 808 1962 20.2 13.2 64 7.0 15.5 350 3 311.8 314.1 296.3 348.3 11.89 11 740 2714 15.4 -1.6 31 17.0 6.3 94 18 314.5 315.4 291.5 329.1 4.60 12 700 3182 11.0 -3.0 37 14.0 3.8 95 20 314.7 315.5 291.3 328.6 4.38 13 600 4439 -0.5 -11.5 43 11.0 -5.0 67 21 315.5 316.0 290.0 324.2 2.64 14 557 5034 0.0 -21.0 19 21.0 -7.1 92 20 322.9 323.2 291.0 327.4 1.29 15 500 5890 -4.7 -41.7 4 37.0 -12.2 115 17 327.3 327.3 291.2 328.1 0.20 16 482 6179 -5.7 -43.7 3 38.0 -13.0 117 14 329.5 329.6 291.7 330.2 0.16 17 422 7211 -11.7 -46.7 4 35.0 -17.4 124 5 334.6 334.6 293.1 335.2 0.14 18 410 7432 -13.3 -48.3 4 35.0 -18.7 131 7 335.3 335.3 293.3 335.8 0.12 19 404 7544 -13.9 -48.9 3 35.0 -19.1 136 9 336.0 336.0 293.4 336.4 0.11 20 400 7620 -14.3 -49.3 3 35.0 -19.4 140 11 336.4 336.4 293.5 336.8 0.11 21 300 9730 -30.1 -44.1 24 14.0 -31.7 270 18 343.0 343.0 295.3 344.0 0.25 22 258 10785 -39.1 -51.1 27 12.0 -39.9 267 19 344.8 344.8 295.6 345.4 0.13 23 252 10946 -40.5 -52.5 26 12.0 -41.3 266 20 345.1 345.1 295.6 345.6 0.12 24 250 11000 -41.1 -53.1 26 12.0 -41.8 265 20 345.0 345.0 295.6 345.4 0.11 25 200 12470 -53.7 -63.7 28 10.0 -53.9 230 16 347.7 347.7 296.1 347.9 0.04 26 190 12798 -56.5 -65.5 31 9.0 -56.7 241 20 348.4 348.4 296.3 348.5 0.03 27 165 13678 -63.5 -72.5 28 9.0 -63.6 273 33 351.0 351.0 296.8 351.0 0.01 28 150 14260 -66.1 -74.1 32 8.0 -66.2 260 16 356.2 356.2 298.0 356.3 0.01 29 147 14382 -66.5 -74.5 32 8.0 -66.5 253 19 357.6 357.6 298.2 357.6 0.01 30 142 14590 -68.1 -76.1 31 8.0 -68.2 227 10 358.3 358.4 298.4 358.4 0.01 31 136 14848 -70.3 -78.3 30 8.0 -70.4 197 9 358.9 358.9 298.5 358.9 0.01 32 111 16035 -76.3 -83.3 32 7.0 -76.3 134 18 369.1 369.1 300.4 369.1 0.00 33 100 16630 -80.1 -87.1 30 7.0 -80.1 5 7 373.0 373.0 301.1 373.0 0.00 34 97 16802 -80.5 -87.5 30 7.0 -80.5 2 7 375.5 375.5 301.5 375.5 0.00 35 94 16979 -80.5 -88.5 25 8.0 -80.5 347 9 378.8 378.8 302.1 378.8 0.00 36 87 17415 -80.9 -87.9 30 7.0 -80.9 311 14 386.5 386.5 303.3 386.5 0.00 37 72 18489 -77.9 -83.9 37 6.0 -77.9 296 10 414.4 414.4 307.0 414.4 0.00 38 70 18650 -76.9 -82.9 38 6.0 -76.9 110 15 419.9 419.9 307.7 419.9 0.01 39 68 18816 -76.3 -82.3 38 6.0 -76.3 90 7 424.7 424.7 308.3 424.7 0.01 40 65 19076 -75.5 -81.5 38 6.0 -75.5 119 9 431.9 431.9 309.0 432.0 0.01 41 63 19256 -76.5 -81.5 45 5.0 -76.5 158 15 433.6 433.6 309.2 433.6 0.01 42 60 19538 -74.5 -80.5 39 6.0 -74.6 225 22 444.2 444.2 310.3 444.2 0.01 43 54 20153 -71.7 -76.7 47 5.0 -71.8 128 2 464.2 464.2 312.1 464.3 0.02 44 51 20491 -69.5 -75.5 41 6.0 -69.6 222 5 477.0 477.0 313.2 477.2 0.03 45 50 20610 -66.9 -72.9 42 6.0 -67.1 255 6 485.8 485.8 313.9 486.1 0.04 46 43 21528 -64.7 -69.7 50 5.0 -64.9 236 17 512.7 512.7 315.8 513.1 0.07 47 41 21820 -62.9 -68.9 44 6.0 -63.2 252 16 524.2 524.2 316.6 524.7 0.09 48 36 22629 -59.5 -65.5 46 6.0 -60.0 295 13 552.8 552.9 318.3 553.9 0.16 49 35 22806 -58.5 -64.5 46 6.0 -59.0 304 13 559.9 560.0 318.7 561.2 0.19 50 32 23372 -57.3 -62.3 53 5.0 -57.9 334 10 577.7 577.8 319.6 579.6 0.27 51 31 23573 -57.3 -62.3 53 5.0 -57.9 344 10 582.9 583.0 319.9 585.0 0.28 52 30 23780 -57.7 -62.7 53 5.0 -58.3 355 9 587.3 587.4 320.1 589.4 0.28 53 29 23994 -57.7 -62.7 53 5.0 -58.3 351 9 593.1 593.2 320.4 595.2 0.29 54 29 23994 -57.9 -62.8 53 4.9 -58.5 351 9 592.5 592.6 320.3 594.6 0.28 55 27 24445 -57.9 -62.7 54 4.8 -58.5 46 6 604.7 604.9 320.9 607.1 0.31 56 26 24684 -56.3 -61.3 53 5.0 -57.1 85 8 615.9 616.0 321.5 618.8 0.38 57 24 25195 -54.3 -59.3 54 5.0 -55.2 49 17 635.9 636.1 322.3 640.1 0.54 58 20 26360 -56.1 -60.1 61 4.0 -56.9 95 35 664.5 664.7 323.4 669.2 0.58 59 19 26687 -56.1 -60.0 61 3.9 -56.9 102 33 674.3 674.5 323.7 679.4 0.62 60 17 27405 -51.1 -57.1 49 6.0 -52.8 107 34 712.1 712.5 325.1 720.9 1.00 61 16 27802 -49.1 -54.1 56 5.0 -50.9 102 39 731.1 731.8 325.8 744.7 1.53 62 14 28680 -49.5 -53.8 61 4.3 -51.2 110 32 758.2 759.0 326.6 775.0 1.81 63 13 29169 -46.9 -51.8 57 4.9 -49.1 108 37 783.4 784.6 327.4 807.0 2.48 64 12 29702 -45.7 -50.4 59 4.7 -48.1 106 43 805.8 807.4 328.1 836.8 3.16 65 11 30286 -43.5 -48.5 58 5.0 -46.4 103 49 834.1 836.3 329.0 877.6 4.29 66 10 30930 -41.9 95 53 863.1 67 9.9 30998 -41.7 866.4 68 9.7 31136 -42.1 869.9 TRP 882 1198 24.4 19.4 74 5.0 20.8 250 10 308.4 311.5 298.2 357.8 16.29 WND Sounding variables and indices 1000-500 mb thick: 5819.00 m Freezing level: 604.35 mb = 4384.49 m = 14384.62 ft Freezing level: 557.00 mb = 5033.62 m = 16514.32 ft Freezing level: 557.00 mb = 5033.62 m = 16514.32 ft Wetbulb zero: 656.44 mb = 3705.95 m = 12158.47 ft Precipitable water: 1.51 inches Sfc-500 mean rel hum: 41.51 % Est. max temperature: 35.95 C = 96.71 F Sfc-Lift cond lev (LCL): 808.36 mb = 1957.95 m = 6423.65 ft T: 20.23 C 700-500 lapse rate: 5.80 C/km ThetaE index: 24.15 C Layer 740.0- 557.0 mb Conv cond level (CCL): 780.24 mb = 2260.96 m = 7417.76 ft Mean mixing ratio: 17.18 g/kg Conv temperature: 37.38 C = 99.28 F Cap Strength: 2.62 C Lifted Index: -5.31 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -7.21 C Lifted Index @700 mb: -2.32 C Showalter Index: -1.03 C Risk: Thunderstorms probable Total Totals Index: 47.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 28.10 C Cross Totals Index: 19.10 C K Index: 28.50 Risk: 40-60 % chance of thunderstorms Sweat Index: 199.80 Risk: None Energy Index: -3.77 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2839.67 J/kg Max Up Vert Vel: 75.36 m/s Conv Inhibition (B-): 66.50 J/kg Cap Strength: 2.62 C Lift Cond Lev (LCL): 828.84 mb = 1740.96 m = 5711.75 ft Lev Free Conv (LFC): 733.84 mb = 2784.51 m = 9135.42 ft Equ Level (EL): 123.84 mb = 15395.36 m = 50509.08 ft B at Equ Level: 2802.76 J/kg Max Parcel Lev (MPL): 63.84 mb = 19179.96 m = 62925.62 ft Wind level data Storm motion: 127 at 11 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 12 7.7 9.2 | 262 17 16.7 2.5 1 942 610 240 13 11.3 6.5 | 271 20 20.2 -0.2 2 925 777 225 11 7.8 7.8 | 266 17 16.7 1.0 3 911 914 220 9 5.8 6.9 | 269 15 14.8 0.2 4 882 1198 250 10 9.4 3.4 | 280 19 18.4 -3.3 5 880 1219 250 10 9.4 3.4 | 280 19 18.4 -3.3 6 850 1522 230 5 3.8 3.2 | 285 13 12.8 -3.5 7 820 1829 340 3 1.0 -2.8 | 314 14 10.0 -9.5 8 791 2134 5 2 -0.2 -2.0 | 315 12 8.8 -8.7 9 737 2743 100 19 -18.7 3.3 | 71 10 -9.7 -3.4 10 700 3182 95 20 -19.9 1.7 | 66 12 -11.0 -5.0 11 685 3353 95 18 -17.9 1.6 | 60 10 -9.0 -5.2 12 635 3962 70 21 -19.7 -7.2 | 38 18 -10.8 -13.9 13 612 4267 70 22 -20.7 -7.5 | 39 18 -11.7 -14.3 14 589 4572 65 21 -19.0 -8.9 | 33 19 -10.1 -15.6 15 526 5486 120 18 -15.6 9.0 | 109 7 -6.6 2.3 16 500 5890 115 17 -15.4 7.2 | 94 6 -6.4 0.5 17 416 7315 125 4 -3.3 2.3 | 308 7 5.7 -4.4 18 400 7620 140 11 -7.1 8.4 | 228 3 1.9 1.7 19 384 7925 125 10 -8.2 5.7 | 322 1 0.8 -1.0 20 325 9144 250 14 13.2 4.8 | 275 22 22.1 -1.9 21 300 9730 270 18 18.0 -0.0 | 284 28 27.0 -6.7 22 286 10058 275 16 15.9 -1.4 | 288 26 24.9 -8.1 23 250 11000 265 20 19.9 1.7 | 280 29 28.9 -5.0 24 240 11278 265 24 23.9 2.1 | 278 33 32.9 -4.6 25 200 12470 230 16 12.3 10.3 | 260 22 21.2 3.6 26 199 12497 230 16 12.3 10.3 | 260 22 21.2 3.6 27 164 13716 275 34 33.9 -3.0 | 283 44 42.8 -9.7 28 150 14260 260 16 15.8 2.8 | 279 25 24.7 -4.0 29 148 14326 260 21 20.7 3.6 | 276 30 29.7 -3.1 30 141 14630 220 8 5.1 6.1 | 272 14 14.1 -0.6 31 127 15240 150 11 -5.5 9.5 | 231 4 3.5 2.8 32 114 15850 170 21 -3.6 20.7 | 201 15 5.3 14.0 33 100 16630 5 7 -0.6 -7.0 | 329 16 8.4 -13.7 34 98 16764 5 7 -0.6 -7.0 | 329 16 8.4 -13.7 35 75 18288 240 23 19.9 11.5 | 261 29 28.9 4.8 36 71 18593 325 3 1.7 -2.5 | 311 14 10.7 -9.2 37 70 18650 110 15 -14.1 5.1 | 73 5 -5.1 -1.6 38 67 18898 80 3 -3.0 -0.5 | 320 9 6.0 -7.3 39 60 19507 210 23 11.5 19.9 | 237 24 20.5 13.2 40 57 19812 325 12 6.9 -9.8 | 316 23 15.9 -16.6 41 54 20117 115 2 -1.8 0.8 | 309 9 7.2 -5.9 42 50 20610 255 6 5.8 1.6 | 289 16 14.8 -5.2 43 47 21031 270 5 5.0 -0.0 | 296 16 14.0 -6.7 44 44 21336 225 18 12.7 12.7 | 255 23 21.7 6.0 45 30 23780 355 9 0.8 -9.0 | 328 18 9.8 -15.7 46 29 24079 350 9 1.6 -8.9 | 326 19 10.5 -15.6 47 27 24384 35 5 -2.9 -4.1 | 331 12 6.1 -10.8 48 26 24689 85 8 -8.0 -0.7 | 352 7 1.0 -7.4 49 25 24994 35 12 -6.9 -9.8 | 353 17 2.1 -16.6 50 21 25908 95 35 -34.9 3.1 | 82 26 -25.9 -3.7 51 20 26360 95 35 -34.9 3.1 | 82 26 -25.9 -3.7 52 18 27127 110 31 -29.1 10.6 | 101 21 -20.2 3.9 53 15 28042 100 41 -40.4 7.1 | 91 31 -31.4 0.4 54 14 28651 110 31 -29.1 10.6 | 101 21 -20.2 3.9 55 11 30175 105 48 -46.4 12.4 | 99 38 -37.4 5.7 56 10 30930 95 53 -52.8 4.6 | 87 44 -43.8 -2.1 Wind Parameters Mean winds (0-6000m): 96.9 at 15.0 knts Storm direction: 126.9 at 11.2 knts Shear (0-3000m) pos: 4.7 neg: 0.3 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): 160.1 deg Storm rel helicity (0-3000m) pos: 142.2 neg: -10.7 tot: 131.5 m^2/s^2 ave: 43.8 10^-3 m/s^2 rel: 0.65 Storm rel vorticity (0-3000m) horiz: 9.8 stream: 6.4 10^-3/s Energy-Hel index: 1.46 Bulk Rich Number: 34.19 Bulk Shear: 83.06 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 ------------------------------------------------------------------------------- 500 231 12 267 18| 1.7 0.0 1.7| 14.3 -5.9 8.4 16.8 0.20| 8.7 1.8 1000 233 11 271 18| 2.8 0.0 2.8| 31.3 -5.9 25.5 25.5 0.33| 8.6 2.9 1500 236 9 276 16| 4.6 0.0 4.6| 62.4 -5.9 56.6 37.7 0.49| 9.6 4.7 2000 241 7 281 16| 4.8 0.0 4.8| 82.1 -5.9 76.2 38.1 0.56| 9.0 5.0 2500 206 9 265 13| 5.6 0.0 5.6|142.2 -5.9 136.3 54.5 0.71| 11.2 8.0 3000 140 11 238 3| 4.7 0.3 4.9|142.2 -10.7 131.5 43.8 0.65| 9.8 6.4 4000 97 13 38 6| 3.5 1.4 4.9|143.8 -32.1 111.7 27.9 0.47| 8.7 4.1 5000 90 15 40 9| 2.6 1.1 3.7|183.3 -38.9 144.4 28.9 0.50| 8.6 4.3 6000 97 15 50 8| 1.7 0.9 2.6|189.5 -43.0 146.5 24.4 0.45| 8.0 3.6 Wrote GIF file: /home/apache/climate/data/raob//DFFD/skewt/DFFD.skewt.20250420.12.gif