UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042412.upa.cvt Date: 1200Z 24 APR 25 Searching for DFFD... Searching the city database file for: DFFD ... Date:1200Z 24 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 975 306 35.0 20.0 42 15.0 24.1 220 6 310.4 313.3 298.1 357.0 15.27 2 963 418 32.6 19.6 46 13.0 23.2 224 7 309.1 311.9 297.7 354.8 15.07 3 925 779 28.6 19.6 58 9.0 22.1 255 8 308.6 311.5 298.0 356.2 15.71 4 877 1250 24.6 18.6 69 6.0 20.3 245 6 309.1 312.1 298.0 356.4 15.56 5 873 1291 24.2 18.2 69 6.0 19.9 245 5 309.1 312.0 297.8 355.4 15.24 6 871 1311 24.2 17.2 65 7.0 19.3 239 5 309.3 312.0 297.3 352.9 14.32 7 865 1371 24.4 16.4 61 8.0 18.8 221 4 310.2 312.7 297.0 351.9 13.69 8 850 1525 24.4 14.4 54 10.0 17.5 140 9 311.7 314.0 296.5 349.2 12.23 9 700 3191 12.2 -8.8 22 21.0 2.5 85 28 316.0 316.5 290.3 325.1 2.81 10 656 3731 9.4 -21.6 9 31.0 -1.6 101 25 318.8 319.0 289.5 322.3 1.04 11 619 4207 5.0 -16.0 20 21.0 -3.1 109 19 319.0 319.4 290.3 325.0 1.77 12 607 4367 7.0 -12.0 24 19.0 -1.3 112 19 323.1 323.6 292.2 331.6 2.51 13 600 4461 3.6 -14.4 25 18.0 -3.6 116 20 320.3 320.7 290.9 327.3 2.09 14 529 5468 -4.1 -7.1 80 3.0 -5.5 111 11 322.8 323.6 293.5 336.8 4.25 15 500 5910 -6.1 -12.1 62 6.0 -8.6 115 13 325.6 326.2 293.3 335.8 3.02 16 470 6391 -9.1 -15.1 62 6.0 -11.3 134 13 327.7 328.2 293.4 336.3 2.52 17 462 6524 -8.3 -14.3 62 6.0 -10.6 143 13 330.3 330.9 294.3 339.7 2.74 18 400 7630 -14.1 -25.1 39 11.0 -17.3 175 25 336.7 336.9 294.6 341.2 1.24 19 374 8136 -18.3 -30.3 34 12.0 -21.1 175 22 337.6 337.8 294.5 340.7 0.82 20 300 9740 -31.1 -39.1 45 8.0 -32.2 220 12 341.5 341.6 295.1 343.2 0.43 21 250 11010 -40.5 -47.5 47 7.0 -41.1 255 18 345.9 345.9 295.9 346.7 0.21 22 233 11483 -44.7 -50.7 51 6.0 -45.0 252 19 346.5 346.6 296.0 347.2 0.16 23 213 12073 -50.1 -56.1 49 6.0 -50.3 250 22 347.1 347.1 296.1 347.5 0.09 24 200 12480 -53.1 -59.1 48 6.0 -53.3 250 30 348.7 348.7 296.4 349.0 0.07 25 186 12945 -56.5 -61.3 55 4.8 -56.6 250 31 350.5 350.5 296.8 350.7 0.05 26 172 13438 -59.9 -64.8 53 4.9 -60.0 242 32 352.8 352.8 297.3 353.0 0.04 27 167 13622 -61.5 -65.9 56 4.4 -61.6 237 33 353.1 353.1 297.3 353.3 0.03 28 151 14240 -66.3 -70.8 53 4.5 -66.4 221 35 355.2 355.2 297.7 355.3 0.02 29 150 14280 -66.9 -71.2 54 4.3 -67.0 220 35 354.8 354.8 297.7 354.9 0.02 30 141 14650 -69.5 -73.2 58 3.7 -69.5 225 31 356.6 356.6 298.0 356.7 0.01 31 129 15176 -71.9 -76.0 54 4.1 -71.9 234 22 361.5 361.5 299.0 361.5 0.01 32 119 15646 -75.3 -77.9 67 2.6 -75.3 216 20 363.7 363.7 299.4 363.7 0.01 33 114 15894 -76.3 -79.0 65 2.7 -76.3 198 18 366.3 366.3 299.9 366.4 0.01 34 106 16310 -78.5 -80.5 72 2.0 -78.5 133 10 369.8 369.8 300.5 369.9 0.01 35 100 16640 -79.9 -81.3 79 1.4 -79.9 140 18 373.4 373.4 301.1 373.4 0.01 36 88 17352 -85.7 -86.0 95 0.3 -85.7 159 23 375.6 375.6 301.5 375.6 0.00 37 81 17807 -85.1 -85.2 98 0.1 -85.1 167 25 385.9 385.9 303.2 385.9 0.00 38 74 18312 -79.3 -80.9 77 1.6 -79.3 164 20 408.2 408.2 306.3 408.2 0.01 39 70 18630 -76.5 -77.7 83 1.2 -76.5 250 9 420.7 420.7 307.8 420.8 0.01 40 65 19060 -73.7 -75.5 76 1.8 -73.7 262 8 435.9 435.9 309.4 436.0 0.02 41 62 19337 -72.7 -74.0 82 1.3 -72.7 270 7 444.0 444.0 310.3 444.2 0.03 42 54 20147 -73.9 -74.1 97 0.2 -73.9 338 9 459.1 459.1 311.7 459.3 0.03 43 53 20256 -74.1 -74.5 94 0.4 -74.1 349 9 461.1 461.1 311.9 461.3 0.03 44 50 20600 -69.3 -71.5 73 2.2 -69.4 25 14 480.2 480.2 313.5 480.5 0.05 45 47 20974 -63.9 -66.7 68 2.8 -64.0 25 15 501.7 501.7 315.1 502.3 0.10 46 39 22129 -59.1 -60.5 84 1.4 -59.2 140 9 541.3 541.4 317.7 543.2 0.28 47 39 22129 -58.9 -60.5 82 1.6 -59.0 140 9 541.8 541.9 317.8 543.7 0.28 48 38 22292 -58.7 -60.0 85 1.3 -58.8 146 10 546.4 546.5 318.0 548.5 0.31 49 33 23175 -59.9 -60.1 97 0.2 -59.9 66 10 565.7 565.8 319.0 568.2 0.35 50 30 23770 -59.9 -60.1 97 0.2 -59.9 65 19 581.3 581.5 319.9 584.1 0.39 51 27 24434 -57.7 -59.0 85 1.3 -57.9 73 17 605.3 605.5 321.0 609.0 0.50 52 24 25185 -54.7 -55.1 95 0.4 -54.8 87 35 634.8 635.1 322.4 641.7 0.90 53 22 25744 -53.9 -54.8 90 0.9 -54.1 97 47 653.1 653.5 323.1 661.3 1.02 54 20 26360 -52.5 -52.5 100 0.0 -52.5 100 48 675.5 676.1 324.0 687.6 1.48 55 19 26691 -52.7 -52.7 100 0.0 -52.7 100 47 684.8 685.5 324.3 697.5 1.52 56 18 27041 -52.1 -52.4 97 0.3 -52.2 100 45 697.4 698.1 324.8 711.5 1.66 57 17 27412 -50.7 -50.9 98 0.2 -50.8 100 44 713.4 714.3 325.4 731.5 2.10 58 15 28238 -45.3 -46.6 87 1.3 -46.0 100 40 757.3 759.1 327.1 792.6 3.89 59 11 30308 -45.1 -47.2 79 2.1 -46.3 100 33 828.3 830.8 329.0 878.1 4.97 TRP 873 1291 24.2 18.2 69 6.0 19.9 245 5 309.1 312.0 297.8 355.4 15.24 WND Sounding variables and indices 1000-500 mb thick: 5835.00 m Freezing level: 566.81 mb = 4931.87 m = 16180.48 ft Wetbulb zero: 673.00 mb = 3517.90 m = 11541.51 ft Precipitable water: 1.54 inches Sfc-500 mean rel hum: 42.72 % Est. max temperature: 36.99 C = 98.59 F Sfc-Lift cond lev (LCL): 786.03 mb = 2196.35 m = 7205.79 ft T: 19.48 C 700-500 lapse rate: 6.73 C/km ThetaE index: 34.08 C Layer 873.0- 619.0 mb Conv cond level (CCL): 742.63 mb = 2683.76 m = 8804.89 ft Mean mixing ratio: 15.49 g/kg Conv temperature: 39.32 C = 102.77 F Cap Strength: 3.78 C Lifted Index: -5.18 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -5.87 C Lifted Index @700 mb: 0.05 C Showalter Index: -2.90 C Risk: Severe thunderstorms possible Total Totals Index: 51.00 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 30.50 C Cross Totals Index: 20.50 C K Index: 23.90 Risk: 20-40 % chance of thunderstorms Sweat Index: 243.80 Risk: None Energy Index: -2.61 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1722.47 J/kg Max Up Vert Vel: 58.69 m/s Conv Inhibition (B-): 140.40 J/kg Cap Strength: 3.78 C Lift Cond Lev (LCL): 805.02 mb = 1991.56 m = 6533.90 ft Lev Free Conv (LFC): 690.02 mb = 3310.38 m = 10860.70 ft Equ Level (EL): 140.02 mb = 14691.56 m = 48200.07 ft B at Equ Level: 1705.27 J/kg Max Parcel Lev (MPL): 70.02 mb = 18628.59 m = 61116.67 ft Wind level data Storm motion: 132 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 ---------------------------------------------------------- 0 975 306 220 6 3.9 4.6 | 285 13 12.5 -3.3 1 943 610 230 9 6.9 5.8 | 278 16 15.5 -2.1 2 925 779 255 8 7.7 2.1 | 290 17 16.4 -5.8 3 911 914 235 8 6.6 4.6 | 282 16 15.2 -3.3 4 880 1219 245 7 6.3 3.0 | 288 16 15.0 -4.9 5 873 1291 245 5 4.5 2.1 | 294 14 13.2 -5.8 6 850 1524 175 2 -0.2 2.0 | 305 10 8.5 -5.9 7 850 1525 140 9 -5.8 6.9 | 289 3 2.9 -1.0 8 792 2134 75 18 -17.4 -4.7 | 35 15 -8.7 -12.6 9 738 2743 65 21 -19.0 -8.9 | 32 20 -10.4 -16.8 10 700 3191 85 28 -27.9 -2.4 | 62 22 -19.2 -10.3 11 686 3353 95 29 -28.9 2.5 | 75 21 -20.2 -5.4 12 613 4267 110 18 -16.9 6.2 | 78 8 -8.3 -1.7 13 590 4572 120 22 -19.1 11.0 | 107 11 -10.4 3.1 14 568 4877 125 10 -8.2 5.7 | 348 2 0.5 -2.2 15 527 5486 110 11 -10.3 3.8 | 22 4 -1.7 -4.1 16 507 5791 130 11 -8.4 7.1 | 345 1 0.2 -0.8 17 500 5910 115 13 -11.8 5.5 | 53 4 -3.1 -2.4 18 488 6096 115 14 -12.7 5.9 | 64 5 -4.0 -2.0 19 451 6706 155 12 -5.1 10.9 | 230 5 3.6 3.0 20 400 7630 175 25 -2.2 24.9 | 201 18 6.5 17.0 21 354 8534 175 20 -1.7 19.9 | 210 14 6.9 12.0 22 339 8839 175 13 -1.1 13.0 | 236 9 7.5 5.1 23 312 9449 215 6 3.4 4.9 | 284 12 12.1 -3.0 24 300 9740 220 12 7.7 9.2 | 265 16 16.4 1.3 25 263 10668 250 26 24.4 8.9 | 268 33 33.1 1.0 26 250 11010 255 18 17.4 4.7 | 277 26 26.0 -3.2 27 219 11887 250 19 17.9 6.5 | 273 27 26.5 -1.4 28 200 12480 250 30 28.2 10.3 | 266 37 36.8 2.4 29 181 13106 250 31 29.1 10.6 | 266 38 37.8 2.7 30 150 14280 220 35 22.5 26.8 | 239 36 31.1 18.9 31 149 14326 220 36 23.1 27.6 | 238 37 31.8 19.7 32 127 15240 235 21 17.2 12.0 | 261 26 25.8 4.1 33 115 15850 205 19 8.0 17.2 | 241 19 16.7 9.3 34 109 16154 130 7 -5.4 4.5 | 316 5 3.3 -3.4 35 100 16640 140 18 -11.6 13.8 | 154 7 -2.9 5.9 36 98 16764 140 18 -11.6 13.8 | 154 7 -2.9 5.9 37 83 17678 170 26 -4.5 25.6 | 193 18 4.1 17.7 38 74 18288 155 21 -8.9 19.0 | 179 11 -0.2 11.1 39 70 18630 250 9 8.5 3.1 | 286 18 17.1 -4.8 40 60 19507 275 6 6.0 -0.5 | 300 17 14.6 -8.4 41 52 20422 5 10 -0.9 -10.0 | 336 19 7.8 -17.9 42 50 20600 25 14 -5.9 -12.7 | 352 21 2.7 -20.6 43 49 20726 360 20 -0.0 -20.0 | 343 29 8.6 -27.9 44 47 21031 30 14 -7.0 -12.1 | 355 20 1.6 -20.0 45 44 21336 110 4 -3.8 1.4 | 323 8 4.9 -6.5 46 36 22555 155 12 -5.1 10.9 | 230 5 3.6 3.0 47 31 23470 25 9 -3.8 -8.2 | 343 17 4.8 -16.1 48 30 23770 65 19 -17.2 -8.0 | 28 18 -8.6 -15.9 49 30 23774 60 2 -1.7 -1.0 | 322 11 6.9 -8.9 50 21 25908 100 51 -50.2 8.9 | 91 42 -41.6 1.0 51 20 26360 100 48 -47.3 8.3 | 91 39 -38.6 0.4 52 12 28346 100 33 -32.5 5.7 | 85 24 -23.9 -2.2 53 10 28956 100 34 -33.5 5.9 | 85 25 -24.8 -2.0 54 8 29566 95 43 -42.8 3.7 | 83 34 -34.2 -4.1 55 7 30175 95 33 -32.9 2.9 | 78 25 -24.2 -5.0 Wind Parameters Mean winds (0-6000m): 102.4 at 15.6 knts Storm direction: 132.4 at 11.7 knts Shear (0-3000m) pos: 1.5 neg: 5.1 tot: 6.6 10-3/s Storm rel Dir Shear (0-3000m): 146.4 deg Storm rel helicity (0-3000m) pos: 111.6 neg: -24.9 tot: 86.7 m^2/s^2 ave: 28.9 10^-3 m/s^2 rel: 0.34 Storm rel vorticity (0-3000m) horiz: 10.4 stream: 3.5 10^-3/s Energy-Hel index: 0.35 Bulk Rich Number: 27.94 Bulk Shear: 61.66 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 ------------------------------------------------------------------------------- 500 233 8 282 15| 4.3 0.0 4.3| 12.8 -6.4 6.4 12.9 0.19| 6.7 1.3 1000 237 8 284 15| 2.2 1.7 3.9| 24.3 -13.0 11.2 11.2 0.21| 6.3 1.3 1500 214 8 277 13| 1.4 6.9 8.3| 32.8 -13.0 19.7 13.2 0.30| 10.7 3.3 2000 139 10 280 2| 1.1 6.9 8.0| 32.8 -21.6 11.2 5.6 0.16| 11.1 1.8 2500 92 12 24 8| 0.9 6.2 7.0| 39.6 -24.9 14.7 5.9 0.16| 9.8 1.5 3000 86 14 33 11| 1.5 5.1 6.6|111.6 -24.9 86.7 28.9 0.34| 10.4 3.5 4000 93 17 49 11| 1.9 3.9 5.7|126.9 -25.2 101.7 25.4 0.32| 9.6 3.0 5000 99 16 55 9| 2.0 3.1 5.1|137.7 -29.5 108.2 21.6 0.25| 9.5 2.4 6000 102 16 55 8| 1.8 2.6 4.4|141.1 -29.7 111.3 18.6 0.26| 8.9 2.3 Wrote GIF file: /home/apache/climate/data/raob//DFFD/skewt/DFFD.skewt.20250424.12.gif