UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102112.upa.cvt Date: 1200Z 21 OCT 25 Searching for DRRN... Searching the city database file for: DRRN ... Date:1200Z 21 OCT 25 Station: DRRN WMO ident: 61052 Latitude: 13.48 Longitude: 2.17 Elevation: 227.00 ------------------------------------------------------------------------------- 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 113 SFC 987 227 34.8 18.8 39 16.0 23.3 240 16 309.1 311.7 297.0 351.5 13.97 2 984 255 32.6 16.6 38 16.0 21.5 244 14 307.2 309.4 295.3 343.8 12.16 3 975 338 31.8 16.8 41 15.0 21.3 249 9 307.2 309.5 295.4 344.7 12.44 4 928 783 27.8 14.8 45 13.0 19.0 253 6 307.5 309.6 294.8 342.1 11.48 5 925 812 27.6 14.6 45 13.0 18.8 255 6 307.5 309.7 294.8 341.9 11.37 6 899 1063 26.6 6.6 28 20.0 14.4 194 3 309.0 310.3 291.7 329.9 6.81 7 891 1142 26.8 2.8 21 24.0 13.0 164 2 310.0 311.0 290.7 326.4 5.25 8 890 1152 26.6 2.6 21 24.0 12.9 160 2 309.9 310.9 290.6 326.0 5.18 9 863 1422 24.8 -1.2 18 26.0 10.8 113 6 310.8 311.5 289.8 323.5 4.06 10 850 1555 23.8 -2.2 18 26.0 10.0 95 8 311.1 311.8 289.7 323.2 3.82 11 700 3202 8.2 -3.8 42 12.0 2.3 80 17 311.6 312.3 290.2 324.6 4.12 12 678 3465 5.6 -4.4 49 10.0 0.8 83 17 311.5 312.3 290.1 324.4 4.07 13 673 3525 5.2 -5.8 45 11.0 0.1 83 17 311.7 312.4 289.8 323.4 3.68 14 662 3660 6.0 -23.0 10 29.0 -3.4 85 17 314.1 314.3 287.8 317.2 0.91 15 657 3722 6.0 -24.0 9 30.0 -3.6 84 17 314.8 314.9 288.0 317.7 0.84 16 636 3988 4.8 -23.2 11 28.0 -4.3 80 16 316.4 316.5 288.6 319.5 0.93 17 611 4314 2.6 -21.4 15 24.0 -5.4 75 16 317.5 317.7 289.2 321.3 1.13 18 600 4460 2.0 -25.0 11 27.0 -6.2 74 16 318.4 318.6 289.2 321.4 0.84 19 574 4817 0.0 -29.0 9 29.0 -8.0 71 17 320.1 320.3 289.5 322.3 0.61 20 567 4915 -0.5 -30.5 8 30.0 -8.5 70 17 320.7 320.8 289.5 322.6 0.53 21 558 5043 -0.9 -28.9 10 28.0 -8.7 73 17 321.7 321.8 289.9 323.9 0.63 22 535 5378 -3.3 -31.3 9 28.0 -10.4 79 16 322.7 322.8 290.2 324.6 0.52 23 523 5557 -4.7 -31.7 10 27.0 -11.4 83 15 323.1 323.2 290.3 325.0 0.51 24 510 5755 -6.1 -35.1 8 29.0 -12.6 87 14 323.8 323.8 290.3 325.2 0.38 25 500 5910 -5.9 -43.9 3 38.0 -13.0 90 14 325.8 325.9 290.7 326.4 0.16 26 493 6020 -6.5 -50.5 2 44.0 -13.6 87 13 326.4 326.4 290.8 326.7 0.08 27 454 6659 -10.7 -29.7 19 19.0 -15.4 147 10 328.9 329.1 292.2 331.6 0.72 28 439 6916 -12.9 -32.9 17 20.0 -17.3 175 9 329.3 329.5 292.1 331.4 0.55 29 400 7620 -16.3 -30.3 29 14.0 -19.6 255 7 333.8 334.0 293.5 336.7 0.77 30 362 8360 -23.3 -30.3 53 7.0 -24.8 256 8 334.1 334.3 293.6 337.2 0.85 31 300 9710 -31.9 -48.9 17 17.0 -33.5 245 14 340.4 340.4 294.6 341.0 0.15 32 260 10704 -40.5 -56.5 16 16.0 -41.3 252 16 342.0 342.0 294.8 342.3 0.07 33 250 10970 -42.5 -58.5 16 16.0 -43.2 270 17 342.9 342.9 295.1 343.1 0.06 34 227 11610 -48.3 -60.3 24 12.0 -48.7 268 15 343.6 343.6 295.3 343.8 0.05 35 213 12025 -50.9 -65.9 15 15.0 -51.2 266 14 345.9 345.9 295.7 346.0 0.03 36 200 12430 -53.9 -67.9 16 14.0 -54.2 265 13 347.4 347.4 296.1 347.5 0.02 37 189 12791 -56.3 -68.3 21 12.0 -56.5 261 15 349.2 349.2 296.5 349.3 0.02 38 180 13099 -59.3 -73.3 15 14.0 -59.5 258 16 349.2 349.2 296.5 349.3 0.01 39 167 13565 -62.3 -73.3 22 11.0 -62.4 252 18 351.8 351.8 297.0 351.8 0.01 40 163 13715 -63.1 -76.1 16 13.0 -63.2 251 19 352.9 352.9 297.3 352.9 0.01 41 150 14220 -67.9 -77.9 23 10.0 -67.9 245 21 353.1 353.1 297.3 353.1 0.01 42 141 14589 -71.1 -79.1 30 8.0 -71.1 247 20 353.8 353.8 297.4 353.8 0.01 43 135 14844 -73.1 -82.1 24 9.0 -73.1 248 20 354.7 354.7 297.6 354.7 0.00 44 128 15155 -74.7 -81.7 33 7.0 -74.7 250 19 357.3 357.3 298.1 357.3 0.00 45 126 15246 -74.7 -81.7 33 7.0 -74.7 250 19 358.9 358.9 298.5 358.9 0.00 46 117 15675 -76.1 -84.1 27 8.0 -76.1 260 20 364.0 364.0 299.5 364.0 0.00 47 107 16190 -76.1 -84.1 27 8.0 -76.1 271 20 373.4 373.4 301.2 373.4 0.00 48 104 16354 -76.5 -83.5 32 7.0 -76.5 275 21 375.7 375.7 301.5 375.7 0.00 49 101 16523 -76.1 -83.1 32 7.0 -76.1 279 21 379.6 379.6 302.2 379.6 0.00 50 100 16580 -76.1 -83.1 32 7.0 -76.1 280 21 380.7 380.7 302.3 380.7 0.00 51 95 16875 -77.5 -85.5 26 8.0 -77.5 277 19 383.6 383.6 302.8 383.6 0.00 52 84 17585 -74.7 -83.7 23 9.0 -74.7 271 15 403.0 403.0 305.6 403.0 0.00 53 81 17798 -72.5 -81.5 24 9.0 -72.6 269 14 411.7 411.7 306.7 411.8 0.01 54 80 17871 -72.3 -82.3 21 10.0 -72.3 269 13 413.6 413.6 307.0 413.6 0.01 55 75 18248 -74.5 -85.5 17 11.0 -74.6 265 11 416.7 416.7 307.3 416.7 0.00 56 70 18650 -74.1 -84.1 20 10.0 -74.2 165 9 425.9 425.9 308.4 425.9 0.00 57 69 18733 -74.1 -83.1 24 9.0 -74.2 163 10 427.6 427.6 308.6 427.6 0.01 58 50 20640 -65.7 -85.7 5 20.0 -66.0 110 22 488.7 488.7 314.1 488.7 0.01 59 49 20763 -65.1 -85.1 5 20.0 -65.4 107 22 492.9 492.9 314.4 492.9 0.01 60 41 21848 -64.7 -83.7 6 19.0 -65.1 94 27 519.7 519.7 316.3 519.7 0.01 61 40 21999 -64.7 -84.7 5 20.0 -65.1 94 29 523.4 523.4 316.5 523.4 0.01 62 38 22311 -64.5 -83.5 6 19.0 -64.9 93 32 531.6 531.6 317.0 531.7 0.01 63 32 23368 -61.3 -81.3 5 20.0 -62.0 91 41 567.0 567.0 319.0 567.1 0.02 64 31 23565 -60.5 -80.5 6 20.0 -61.3 90 42 574.3 574.3 319.4 574.4 0.02 65 30 23770 -59.3 -79.3 6 20.0 -60.3 90 44 583.0 583.0 319.8 583.2 0.02 66 29 23983 -58.9 -78.9 6 20.0 -59.9 90 42 589.8 589.8 320.2 590.0 0.03 67 27 24435 -56.9 -77.9 5 21.0 -58.3 90 40 607.6 607.6 321.0 607.8 0.03 68 26 24676 -54.9 -75.9 6 21.0 -56.6 92 42 619.8 619.8 321.5 620.2 0.05 69 25 24928 -53.7 -74.7 6 21.0 -55.7 93 45 630.3 630.3 321.9 630.7 0.06 70 24 25191 -53.3 -74.3 6 21.0 -55.4 94 47 638.8 638.9 322.3 639.4 0.07 71 22 25752 -53.1 -74.1 6 21.0 -55.4 97 53 655.5 655.6 322.9 656.1 0.08 72 21 26053 -52.5 -73.5 6 21.0 -55.1 98 56 666.1 666.2 323.3 666.8 0.09 73 20 26370 -51.3 -72.3 6 21.0 -54.2 100 59 679.1 679.2 323.8 680.1 0.11 74 19 26704 -50.9 -71.9 7 21.0 -54.1 100 57 690.4 690.5 324.1 691.5 0.12 75 16 27833 -46.9 -68.9 6 22.0 -51.7 98 52 738.3 738.4 325.7 740.3 0.22 76 13 29219 -43.9 -64.9 8 21.0 -50.4 92 46 793.8 794.0 327.2 798.6 0.48 77 10 30980 -44.1 -64.1 9 20.0 -51.3 85 39 854.9 855.3 328.7 862.3 0.69 78 9.8 31116 -43.9 -65.9 7 22.0 -51.5 860.6 860.9 328.7 866.6 0.55 TRP 890 1152 26.6 2.6 21 24.0 12.9 160 2 309.9 310.9 290.6 326.0 5.18 WND Sounding variables and indices 1000-500 mb thick: 5797.00 m Freezing level: 574.00 mb = 4816.84 m = 15803.10 ft Wetbulb zero: 672.75 mb = 3528.05 m = 11574.82 ft Precipitable water: 0.87 inches Sfc-500 mean rel hum: 23.27 % Est. max temperature: 36.84 C = 98.31 F Sfc-Lift cond lev (LCL): 784.13 mb = 2239.25 m = 7346.53 ft T: 17.32 C 700-500 lapse rate: 5.21 C/km ThetaE index: 21.49 C Layer 928.0- 700.0 mb Conv cond level (CCL): 710.03 mb = 3081.26 m = 10109.01 ft Mean mixing ratio: 10.45 g/kg Conv temperature: 37.25 C = 99.05 F Cap Strength: 3.33 C Lifted Index: 1.05 C Risk: Showers probable Lifted Index @300 mb: 2.47 C Lifted Index @700 mb: 0.68 C Showalter Index: 8.79 C Risk: None Total Totals Index: 33.40 C Risk: None Vertical Totals Index: 29.70 C Cross Totals Index: 3.70 C K Index: 15.50 Risk: < 20 % chance of thunderstorms Sweat Index: 30.00 Risk: None Energy Index: 0.83 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.44 J/kg Max Up Vert Vel: 5.19 m/s Conv Inhibition (B-): 198.70 J/kg Cap Strength: 3.33 C Lift Cond Lev (LCL): 747.34 mb = 2646.91 m = 8683.98 ft Lev Free Conv (LFC): 682.34 mb = 3412.11 m = 11194.45 ft Equ Level (EL): 662.34 mb = 3655.74 m = 11993.77 ft B at Equ Level: 11.22 J/kg Max Parcel Lev (MPL): 632.34 mb = 4034.59 m = 13236.68 ft Wind level data Storm motion: 115 at 10 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 ---------------------------------------------------------- 0 987 227 240 16 13.9 8.0 | 261 23 22.9 3.8 1 979 305 250 9 8.5 3.1 | 274 18 17.5 -1.2 2 946 610 240 6 5.2 3.0 | 275 14 14.2 -1.2 3 925 812 255 6 5.8 1.6 | 280 15 14.8 -2.7 4 914 914 250 4 3.8 1.4 | 283 13 12.8 -2.9 5 890 1152 160 2 -0.7 1.9 | 286 9 8.3 -2.4 6 883 1219 140 3 -1.9 2.3 | 285 7 7.1 -1.9 7 850 1555 95 8 -8.0 0.7 | 343 4 1.1 -3.5 8 823 1829 105 10 -9.7 2.6 | 21 2 -0.6 -1.6 9 794 2134 110 13 -12.2 4.4 | 94 3 -3.2 0.2 10 766 2438 85 14 -13.9 -1.2 | 42 7 -4.9 -5.5 11 739 2743 85 19 -18.9 -1.7 | 59 12 -9.9 -5.9 12 700 3202 80 17 -16.7 -3.0 | 47 11 -7.7 -7.2 13 661 3658 85 17 -16.9 -1.5 | 54 10 -7.9 -5.7 14 613 4267 75 16 -15.5 -4.1 | 38 11 -6.4 -8.4 15 568 4877 70 17 -16.0 -5.8 | 35 12 -6.9 -10.0 16 500 5910 90 14 -14.0 0.0 | 50 7 -5.0 -4.2 17 488 6096 85 12 -12.0 -1.0 | 29 6 -2.9 -5.3 18 400 7620 255 7 6.8 1.8 | 279 16 15.8 -2.4 19 400 7620 230 6 4.6 3.9 | 272 14 13.6 -0.4 20 324 9144 285 11 10.6 -2.8 | 290 21 19.7 -7.1 21 300 9710 245 14 12.7 5.9 | 266 22 21.7 1.7 22 261 10668 250 16 15.0 5.5 | 267 24 24.1 1.2 23 250 10970 270 17 17.0 -0.0 | 279 26 26.0 -4.2 24 200 12430 265 13 13.0 1.1 | 278 22 22.0 -3.1 25 150 14220 245 21 19.0 8.9 | 261 28 28.1 4.6 26 126 15240 250 19 17.9 6.5 | 265 27 26.9 2.3 27 100 16580 280 21 20.7 -3.6 | 285 31 29.7 -7.9 28 75 18288 265 11 11.0 1.0 | 279 20 20.0 -3.3 29 70 18650 165 9 -2.3 8.7 | 236 8 6.7 4.5 30 50 20640 110 22 -20.7 7.5 | 106 12 -11.6 3.3 31 45 21336 95 23 -22.9 2.0 | 81 14 -13.9 -2.2 32 30 23770 90 44 -44.0 0.0 | 83 35 -35.0 -4.2 33 27 24384 90 39 -39.0 0.0 | 82 30 -30.0 -4.2 34 20 26370 100 59 -58.1 10.2 | 97 49 -49.1 6.0 35 17 27432 100 54 -53.2 9.4 | 97 44 -44.2 5.1 36 10 30980 85 39 -38.9 -3.4 | 76 31 -29.8 -7.6 Wind Parameters Mean winds (0-6000m): 85.1 at 13.3 knts Storm direction: 115.1 at 10.0 knts Shear (0-3000m) pos: 2.2 neg: 3.3 tot: 5.6 10-3/s Storm rel Dir Shear (0-3000m): 146.8 deg Storm rel helicity (0-3000m) pos: 47.0 neg: -13.6 tot: 33.4 m^2/s^2 ave: 11.1 10^-3 m/s^2 rel: 0.26 Storm rel vorticity (0-3000m) horiz: 7.6 stream: 2.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.23 Bulk Shear: 57.91 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 ------------------------------------------------------------------------------- 500 245 8 273 16| 10.4 0.0 10.4| 28.3 0.0 28.3 56.5 0.51| 11.6 5.9 1000 242 6 276 14| 5.2 3.9 9.1| 34.5 -2.1 32.4 32.4 0.36| 10.2 3.6 1500 206 6 264 12| 3.5 5.0 8.5| 39.3 -2.1 37.1 24.8 0.43| 9.5 4.1 2000 140 7 250 4| 3.4 3.8 7.1| 41.1 -3.5 37.6 18.8 0.41| 8.6 3.6 2500 111 9 329 1| 2.7 4.3 7.0| 47.0 -7.3 39.7 15.9 0.32| 8.7 2.8 3000 99 11 29 3| 2.2 3.3 5.6| 47.0 -13.6 33.4 11.1 0.26| 7.6 2.0 4000 91 12 38 5| 1.6 2.5 4.1| 50.0 -20.7 29.3 7.3 0.20| 6.3 1.3 5000 85 13 37 7| 1.2 2.1 3.3| 52.7 -22.8 29.9 6.0 0.19| 5.4 1.0 6000 85 13 38 7| 0.7 1.7 2.4| 56.8 -25.6 31.2 5.2 0.18| 5.2 0.9 Wrote GIF file: /home/apache/climate/data/raob//DRRN/skewt/DRRN.skewt.20251021.12.gif