UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042812.upa.cvt Date: 1200Z 28 APR 25 Searching for DFFD... Searching the city database file for: DFFD ... Date:1200Z 28 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 75 SFC 974 306 32.0 18.0 43 14.0 22.1 240 1 307.5 310.0 296.2 348.0 13.45 2 966 381 30.0 19.0 52 11.0 22.2 245 3 306.2 308.9 296.5 349.6 14.46 3 962 419 29.6 18.6 52 11.0 21.8 247 4 306.1 308.8 296.3 348.6 14.16 4 938 648 27.8 17.8 55 10.0 20.8 265 9 306.5 309.1 296.2 348.0 13.80 5 925 774 26.8 16.8 54 10.0 19.9 280 12 306.7 309.2 295.8 346.2 13.12 6 924 784 26.8 16.8 54 10.0 19.8 280 12 306.8 309.3 295.8 346.3 13.14 7 912 899 27.6 14.6 45 13.0 18.8 280 15 308.8 310.9 295.2 343.8 11.53 8 876 1255 26.2 12.2 42 14.0 16.9 229 3 310.9 312.8 294.9 342.3 10.24 9 868 1336 25.6 11.6 42 14.0 16.4 160 3 311.1 313.0 294.7 341.6 9.93 10 850 1520 24.2 10.2 41 14.0 15.1 150 6 311.5 313.2 294.3 339.9 9.23 11 838 1644 23.8 9.8 41 14.0 14.8 154 7 312.3 314.1 294.4 340.5 9.11 12 812 1920 23.6 4.6 29 19.0 12.2 130 12 315.0 316.2 293.2 335.6 6.56 13 740 2720 16.2 7.2 55 9.0 10.6 102 19 315.4 317.0 294.9 342.4 8.65 14 700 3190 12.0 5.0 62 7.0 7.8 95 22 315.8 317.3 294.4 340.4 7.84 15 678 3456 9.8 3.8 66 6.0 6.3 92 17 316.2 317.6 294.2 339.7 7.44 16 600 4456 0.8 -1.9 82 2.7 -0.6 73 24 317.0 318.1 293.0 334.8 5.55 17 584 4672 -1.1 -2.8 88 1.7 -2.0 77 24 317.3 318.3 292.9 334.3 5.34 18 545 5222 -3.5 -6.1 82 2.6 -4.7 89 21 320.8 321.6 293.2 335.3 4.45 19 500 5900 -6.7 -7.9 91 1.2 -7.2 115 9 324.9 325.7 294.0 338.9 4.22 20 466 6446 -9.9 -10.4 96 0.5 -10.1 118 8 327.5 328.2 294.3 340.0 3.72 21 448 6749 -11.1 -11.1 100 0.0 -11.1 138 9 329.7 330.4 294.8 342.1 3.66 22 400 7610 -16.3 -17.2 93 0.9 -16.6 195 12 333.8 334.3 294.9 342.5 2.48 23 364 8315 -20.5 -22.0 88 1.5 -21.0 206 10 337.3 337.7 295.2 343.8 1.80 24 343 8753 -23.5 -24.7 90 1.2 -23.8 219 11 339.0 339.3 295.4 344.5 1.51 25 318 9303 -27.5 -29.0 87 1.5 -27.8 243 17 340.9 341.1 295.5 345.0 1.09 26 315 9371 -28.1 -29.4 89 1.3 -28.4 246 18 341.0 341.2 295.5 345.0 1.06 27 300 9720 -30.7 -32.1 87 1.4 -31.0 235 15 342.1 342.3 295.6 345.4 0.86 28 295 9839 -31.5 -32.9 87 1.4 -31.7 237 15 342.6 342.8 295.7 345.7 0.81 29 286 10058 -33.3 -34.2 92 0.9 -33.4 240 16 343.1 343.3 295.7 345.9 0.74 30 273 10383 -35.5 -36.6 90 1.1 -35.7 245 16 344.5 344.6 296.0 346.9 0.61 31 250 10990 -39.5 -39.7 98 0.2 -39.5 230 20 347.3 347.4 296.5 349.3 0.49 32 230 11556 -43.9 -43.9 100 0.0 -43.9 236 22 349.0 349.1 296.7 350.4 0.34 33 228 11615 -44.5 -44.6 99 0.1 -44.5 236 22 349.0 349.0 296.7 350.3 0.32 34 200 12480 -51.7 -51.7 100 0.0 -51.7 240 27 350.9 350.9 297.0 351.6 0.16 35 150 14280 -65.9 -65.9 100 0.0 -65.9 220 7 356.6 356.6 298.0 356.7 0.04 36 100 16640 -81.3 -81.3 100 0.0 -81.3 240 20 370.6 370.6 300.7 370.7 0.01 37 98 16753 -81.5 -81.5 100 0.0 -81.5 240 20 372.4 372.4 301.0 372.4 0.01 38 97 16810 -81.7 -81.7 100 0.0 -81.7 240 20 373.1 373.1 301.1 373.1 0.01 39 80 17897 -78.1 -78.1 100 0.0 -78.1 89 12 401.7 401.7 305.5 401.7 0.01 40 70 18660 -76.5 -76.5 100 0.0 -76.5 265 13 420.7 420.7 307.8 420.8 0.02 41 63 19275 -70.9 -70.9 100 0.0 -70.9 287 13 445.9 446.0 310.5 446.2 0.04 42 56 19972 -71.1 -71.1 100 0.0 -71.1 181 3 460.8 460.8 311.8 461.0 0.05 43 50 20650 -66.3 -66.3 100 0.0 -66.3 150 13 487.2 487.3 314.1 487.9 0.10 44 36 22667 -60.9 -60.9 100 0.0 -60.9 8 15 549.2 549.3 318.2 551.2 0.29 45 32 23404 -58.5 -58.5 100 0.0 -58.5 51 25 574.5 574.6 319.5 577.6 0.45 46 30 23810 -58.5 -58.5 100 0.0 -58.5 85 23 585.2 585.3 320.1 588.6 0.48 47 24 25223 -53.7 -53.7 100 0.0 -53.7 101 25 637.7 638.1 322.5 645.9 1.07 48 20 26400 -50.5 -50.5 100 0.0 -50.5 95 27 681.6 682.4 324.3 696.9 1.87 49 19 26735 -50.3 -50.3 100 0.0 -50.3 94 29 692.3 693.1 324.7 709.1 2.01 50 18 27086 -51.7 -51.7 100 0.0 -51.7 92 31 698.7 699.4 324.8 713.9 1.81 51 13 29237 -43.3 -43.3 100 0.0 -43.3 83 43 795.9 799.0 328.5 857.4 6.45 52 12 29776 -43.3 81 47 814.3 TRP 868 1336 25.6 11.6 42 14.0 16.4 160 3 311.1 313.0 294.7 341.6 9.93 WND Sounding variables and indices 1000-500 mb thick: 5825.00 m Freezing level: 593.26 mb = 4546.93 m = 14917.58 ft Wetbulb zero: 607.05 mb = 4360.23 m = 14305.03 ft Precipitable water: 1.76 inches Sfc-500 mean rel hum: 63.05 % Est. max temperature: 38.24 C = 100.83 F Sfc-Lift cond lev (LCL): 795.53 mb = 2096.45 m = 6878.03 ft T: 21.97 C 700-500 lapse rate: 6.90 C/km ThetaE index: 8.09 C Layer 700.0- 545.0 mb Conv cond level (CCL): 696.73 mb = 3229.01 m = 10593.73 ft Mean mixing ratio: 12.49 g/kg Conv temperature: 40.32 C = 104.58 F Cap Strength: 6.70 C Lifted Index: -2.21 C Risk: Severe thunderstorms possible Lifted Index @300 mb: 0.04 C Lifted Index @700 mb: 2.61 C Showalter Index: 0.14 C Risk: Thunderstorms probable Total Totals Index: 47.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 30.90 C Cross Totals Index: 16.90 C K Index: 34.10 Risk: 60-80 % chance of thunderstorms Sweat Index: 143.40 Risk: None Energy Index: -0.20 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 345.78 J/kg Max Up Vert Vel: 26.30 m/s Conv Inhibition (B-): 365.06 J/kg Cap Strength: 6.70 C Lift Cond Lev (LCL): 776.77 mb = 2302.22 m = 7553.11 ft Lev Free Conv (LFC): 641.77 mb = 3905.41 m = 12812.88 ft Equ Level (EL): 301.77 mb = 9677.90 m = 31751.26 ft B at Equ Level: 345.38 J/kg Max Parcel Lev (MPL): 181.77 mb = 13077.96 m = 42906.17 ft Wind level data Storm motion: 123 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 ---------------------------------------------------------- 0 974 306 240 1 0.9 0.5 | 298 12 10.9 -5.9 1 942 610 260 8 7.9 1.4 | 286 19 17.9 -5.0 2 925 774 280 12 11.8 -2.1 | 291 23 21.8 -8.5 3 910 914 280 15 14.8 -2.6 | 290 26 24.8 -9.0 4 880 1219 260 3 3.0 0.5 | 294 14 13.0 -5.9 5 868 1336 160 3 -1.0 2.8 | 292 10 9.0 -3.6 6 850 1520 150 6 -3.0 5.2 | 280 7 7.0 -1.2 7 850 1524 165 5 -1.3 4.8 | 280 9 8.7 -1.6 8 791 2134 110 16 -15.0 5.5 | 79 5 -5.0 -0.9 9 700 3190 95 22 -21.9 1.9 | 69 13 -11.9 -4.5 10 686 3353 95 16 -15.9 1.4 | 50 8 -5.9 -5.0 11 612 4267 70 24 -22.6 -8.2 | 41 19 -12.5 -14.6 12 590 4572 75 24 -23.2 -6.2 | 46 18 -13.2 -12.6 13 526 5486 95 20 -19.9 1.7 | 65 11 -9.9 -4.7 14 500 5900 115 9 -8.2 3.8 | 325 3 1.9 -2.6 15 487 6096 125 11 -9.0 6.3 | 275 1 1.0 -0.1 16 468 6401 115 8 -7.3 3.4 | 318 4 2.8 -3.0 17 400 7610 195 12 3.1 11.6 | 248 14 13.1 5.2 18 353 8534 210 9 4.5 7.8 | 265 15 14.5 1.4 19 311 9449 250 19 17.9 6.5 | 270 28 27.9 0.1 20 300 9720 235 15 12.3 8.6 | 264 22 22.3 2.2 21 262 10668 250 17 16.0 5.8 | 271 26 26.0 -0.6 22 250 10990 230 20 15.3 12.9 | 256 26 25.3 6.5 23 239 11278 235 20 16.4 11.5 | 259 27 26.4 5.1 24 200 12480 240 27 23.4 13.5 | 258 34 33.4 7.1 25 199 12497 240 28 24.2 14.0 | 258 35 34.3 7.6 26 172 13411 250 20 18.8 6.8 | 269 29 28.8 0.4 27 150 14280 220 7 4.5 5.4 | 274 15 14.5 -1.0 28 141 14630 220 7 4.5 5.4 | 274 15 14.5 -1.0 29 121 15545 260 21 20.7 3.6 | 275 31 30.7 -2.8 30 115 15850 285 19 18.4 -4.9 | 292 31 28.4 -11.3 31 103 16459 260 12 11.8 2.1 | 281 22 21.8 -4.3 32 100 16640 240 20 17.3 10.0 | 263 28 27.3 3.6 33 98 16764 240 20 17.3 10.0 | 263 28 27.3 3.6 34 93 17069 240 21 18.2 10.5 | 262 28 28.2 4.1 35 88 17374 340 4 1.4 -3.8 | 312 15 11.4 -10.2 36 79 17983 105 13 -12.6 3.4 | 40 4 -2.5 -3.0 37 70 18660 265 13 13.0 1.1 | 283 24 23.0 -5.3 38 64 19202 280 14 13.8 -2.4 | 290 25 23.8 -8.8 39 61 19507 305 11 9.0 -6.3 | 304 23 19.0 -12.7 40 55 20117 145 1 -0.6 0.8 | 301 11 9.4 -5.6 41 50 20650 150 13 -6.5 11.3 | 216 6 3.5 4.9 42 43 21641 245 20 18.1 8.5 | 266 28 28.1 2.0 43 39 22250 360 10 -0.0 -10.0 | 329 19 10.0 -16.4 44 37 22555 10 12 -2.1 -11.8 | 336 20 7.9 -18.2 45 35 22860 5 19 -1.7 -18.9 | 342 27 8.4 -25.3 46 33 23165 30 26 -13.0 -22.5 | 6 29 -3.0 -28.9 47 30 23810 85 23 -22.9 -2.0 | 57 15 -12.9 -8.4 48 29 24079 90 22 -22.0 0.0 | 62 14 -12.0 -6.4 49 21 26213 110 27 -25.4 9.2 | 100 16 -15.4 2.8 50 20 26400 95 27 -26.9 2.4 | 77 17 -16.9 -4.1 51 12 28346 80 48 -47.3 -8.3 | 68 40 -37.3 -14.7 52 8 29870 100 47 -46.3 8.2 | 93 36 -36.3 1.8 Wind Parameters Mean winds (0-6000m): 92.6 at 15.8 knts Storm direction: 122.6 at 11.9 knts Shear (0-3000m) pos: 2.0 neg: 5.2 tot: 7.3 10-3/s Storm rel Dir Shear (0-3000m): 119.1 deg Storm rel helicity (0-3000m) pos: 17.5 neg: -43.4 tot: -25.9 m^2/s^2 ave: -8.6 10^-3 m/s^2 rel: -0.27 Storm rel vorticity (0-3000m) horiz: 10.5 stream: -2.9 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 5.10 Bulk Shear: 67.83 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 ------------------------------------------------------------------------------- 500 267 7 290 18| 12.3 0.0 12.3| 11.1 -12.1 -1.0 -2.1 -0.09| 13.4 -1.3 1000 272 8 290 19| 6.1 6.8 13.0| 17.5 -22.4 -4.9 -4.9 -0.06| 15.9 -1.0 1500 249 7 283 17| 4.1 7.4 11.4| 17.5 -29.9 -12.4 -8.3 -0.16| 13.8 -2.1 2000 173 9 254 9| 3.1 7.6 10.7| 17.5 -33.3 -15.8 -7.9 -0.26| 13.1 -3.4 2500 125 11 274 1| 2.5 6.7 9.1| 17.5 -34.8 -17.3 -6.9 -0.25| 11.2 -2.8 3000 111 13 44 3| 2.0 5.2 7.3| 17.5 -43.4 -25.9 -8.6 -0.27| 10.5 -2.9 4000 96 15 43 7| 1.5 4.6 6.1| 17.5 -55.1 -37.6 -9.4 -0.27| 9.4 -2.6 5000 90 16 44 9| 1.5 3.7 5.2| 41.1 -55.1 -14.0 -2.8 -0.18| 8.5 -1.5 6000 93 16 46 8| 2.4 3.1 5.5| 44.1 -60.9 -16.9 -2.8 -0.20| 8.7 -1.7 Wrote GIF file: /home/apache/climate/data/raob//DFFD/skewt/DFFD.skewt.20250428.12.gif