UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101512.upa.cvt Date: 1200Z 15 OCT 25 Searching for DRRN... Searching the city database file for: DRRN ... Date:1200Z 15 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 118 SFC 988 227 33.6 20.6 47 13.0 24.2 240 7 307.8 310.7 297.7 355.1 15.64 2 976 337 31.0 20.0 52 11.0 23.1 249 7 306.3 309.1 297.1 352.1 15.25 3 925 816 25.6 18.6 65 7.0 20.6 280 6 305.5 308.2 296.5 349.6 14.74 4 872 1332 21.2 17.3 78 3.9 18.5 218 8 306.1 308.8 296.5 349.3 14.40 5 863 1422 20.8 14.8 69 6.0 16.7 172 8 306.6 308.9 295.2 343.8 12.36 6 850 1554 22.2 6.2 35 16.0 12.6 105 9 309.4 310.7 292.0 330.9 7.01 7 849 1564 22.2 6.2 35 16.0 12.6 105 9 309.5 310.8 292.0 331.1 7.02 8 848 1574 22.2 6.2 35 16.0 12.6 105 9 309.6 310.9 292.0 331.2 7.02 9 824 1823 21.0 1.0 26 20.0 9.9 86 15 310.9 311.8 290.7 326.5 4.99 10 700 3201 8.4 -4.6 39 13.0 2.1 90 16 311.8 312.5 290.0 324.1 3.88 11 689 3332 7.4 -4.6 42 12.0 1.6 84 15 312.1 312.8 290.2 324.6 3.94 12 642 3908 3.2 -12.8 30 16.0 -3.2 70 10 313.7 314.1 289.0 321.0 2.22 13 611 4307 0.6 -4.4 69 5.0 -1.8 70 9 315.2 316.0 291.6 329.6 4.52 14 600 4453 0.0 -8.0 55 8.0 -3.6 69 7 316.1 316.8 291.0 327.4 3.49 15 522 5560 -3.9 -17.9 33 14.0 -8.9 58 6 324.3 324.6 291.8 330.4 1.79 16 514 5682 -3.5 -22.5 21 19.0 -9.6 57 6 326.2 326.4 291.9 330.5 1.22 17 500 5900 -4.7 -25.7 18 21.0 -10.9 55 7 327.3 327.5 291.9 330.7 0.94 18 464 6483 -8.9 -31.9 14 23.0 -14.5 36 7 329.1 329.3 292.0 331.3 0.57 19 409 7444 -17.3 -29.3 34 12.0 -20.1 336 2 330.4 330.6 292.6 333.4 0.83 20 400 7610 -18.3 -32.3 28 14.0 -21.2 325 1 331.2 331.3 292.7 333.6 0.64 21 328 9065 -27.7 -50.7 9 23.0 -30.0 68 4 337.6 337.6 293.9 338.1 0.11 22 314 9377 -30.3 -52.3 10 22.0 -32.2 91 6 338.2 338.3 294.0 338.6 0.10 23 300 9700 -32.3 -54.3 9 22.0 -34.0 115 8 339.9 339.9 294.4 340.2 0.08 24 285 10060 -34.3 -60.3 5 26.0 -35.8 146 8 342.0 342.0 294.8 342.2 0.04 25 250 10960 -42.1 -55.1 23 13.0 -42.8 225 9 343.5 343.5 295.3 343.8 0.09 26 237 11319 -45.3 -55.3 32 10.0 -45.7 226 9 343.9 343.9 295.3 344.3 0.09 27 215 11962 -50.7 -60.7 30 10.0 -51.0 228 8 345.3 345.3 295.6 345.5 0.05 28 200 12430 -54.5 -63.5 32 9.0 -54.7 230 8 346.5 346.5 295.9 346.6 0.04 29 160 13821 -65.7 -72.7 37 7.0 -65.8 222 10 350.4 350.4 296.7 350.4 0.01 30 154 14052 -67.7 -75.7 31 8.0 -67.8 221 10 350.8 350.8 296.8 350.8 0.01 31 150 14210 -68.9 -75.9 36 7.0 -68.9 220 10 351.4 351.4 297.0 351.4 0.01 32 128 15145 -74.5 -80.5 39 6.0 -74.5 274 10 357.6 357.6 298.2 357.6 0.00 33 117 15664 -77.5 -84.5 32 7.0 -77.5 250 9 361.4 361.4 299.0 361.4 0.00 34 113 15862 -79.5 -85.5 36 6.0 -79.5 236 9 361.3 361.3 299.0 361.3 0.00 35 111 15963 -79.7 -85.7 36 6.0 -79.7 229 9 362.7 362.7 299.2 362.8 0.00 36 105 16281 -76.9 -82.9 38 6.0 -76.9 205 8 373.9 373.9 301.2 373.9 0.00 37 100 16560 -78.1 -83.1 44 5.0 -78.1 185 8 376.8 376.8 301.7 376.8 0.00 38 87 17362 -76.7 -81.7 45 5.0 -76.7 144 10 395.0 395.0 304.5 395.0 0.01 39 76 18147 -74.7 -80.7 39 6.0 -74.7 104 13 414.7 414.7 307.1 414.7 0.01 40 70 18630 -71.5 -78.5 34 7.0 -71.6 80 14 431.4 431.4 309.0 431.5 0.01 41 64 19163 -68.5 -75.5 36 7.0 -68.6 85 17 449.2 449.2 310.8 449.3 0.02 42 61 19450 -68.7 -75.7 36 7.0 -68.8 88 18 455.0 455.0 311.3 455.1 0.02 43 57 19859 -66.3 -74.3 32 8.0 -66.5 92 21 469.3 469.3 312.6 469.5 0.03 44 54 20186 -66.9 -75.9 27 9.0 -67.1 95 22 475.3 475.3 313.1 475.4 0.02 45 51 20531 -67.3 -76.3 27 9.0 -67.5 99 24 482.2 482.2 313.6 482.3 0.02 46 50 20650 -67.5 -76.5 27 9.0 -67.7 100 25 484.4 484.4 313.8 484.6 0.02 47 49 20771 -67.5 -76.5 27 9.0 -67.7 100 25 487.2 487.2 314.0 487.4 0.02 48 43 21561 -64.1 -75.1 21 11.0 -64.4 100 27 514.1 514.1 315.9 514.3 0.03 49 30 23780 -59.7 -81.7 4 22.0 -60.6 95 48 581.9 581.9 319.8 582.0 0.02 50 29 23992 -59.3 -81.3 4 22.0 -60.3 95 49 588.7 588.7 320.1 588.8 0.02 51 26 24680 -57.5 -78.5 5 21.0 -58.8 94 53 612.4 612.5 321.2 612.7 0.03 52 24 25189 -55.3 -77.3 5 22.0 -57.1 93 55 633.0 633.0 322.0 633.3 0.04 53 23 25461 -54.3 -76.3 5 22.0 -56.3 92 56 643.7 643.7 322.4 644.1 0.05 54 20 26360 -53.1 -75.1 5 22.0 -55.6 90 60 673.6 673.7 323.6 674.2 0.07 55 18 27043 -50.3 -73.3 5 23.0 -53.8 90 60 703.1 703.1 324.6 704.0 0.10 56 15 28240 -47.9 -70.9 5 23.0 -52.6 748.7 748.8 326.0 750.4 0.18 57 13 29190 -45.1 -69.1 5 24.0 -51.4 789.7 789.8 327.1 792.3 0.27 58 13 29190 -44.3 -68.3 5 24.0 -50.9 792.4 792.6 327.1 795.4 0.30 59 12 29726 -44.7 -67.7 6 23.0 -51.3 809.4 809.5 327.5 812.9 0.35 60 11 30308 -44.9 -68.9 5 24.0 -51.8 829.0 829.2 328.0 832.4 0.32 TRP 848 1574 22.2 6.2 35 16.0 12.6 105 9 309.6 310.9 292.0 331.2 7.02 WND Sounding variables and indices 1000-500 mb thick: 5782.00 m Freezing level: 600.00 mb = 4453.05 m = 14609.57 ft Wetbulb zero: 673.33 mb = 3519.32 m = 11546.19 ft Precipitable water: 1.33 inches Sfc-500 mean rel hum: 43.60 % Est. max temperature: 35.92 C = 96.66 F Sfc-Lift cond lev (LCL): 819.45 mb = 1869.65 m = 6133.96 ft T: 20.57 C 700-500 lapse rate: 4.85 C/km ThetaE index: 24.14 C Layer 976.0- 849.0 mb Conv cond level (CCL): 771.57 mb = 2378.45 m = 7803.23 ft Mean mixing ratio: 14.90 g/kg Conv temperature: 37.10 C = 98.79 F Cap Strength: 4.28 C Lifted Index: -1.97 C Risk: Thunderstorms probable Lifted Index @300 mb: -4.31 C Lifted Index @700 mb: -2.40 C Showalter Index: 6.06 C Risk: None Total Totals Index: 37.80 C Risk: None Vertical Totals Index: 26.90 C Cross Totals Index: 10.90 C K Index: 20.10 Risk: 20-40 % chance of thunderstorms Sweat Index: 99.40 Risk: None Energy Index: 0.05 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1485.86 J/kg Max Up Vert Vel: 54.51 m/s Conv Inhibition (B-): 110.72 J/kg Cap Strength: 4.28 C Lift Cond Lev (LCL): 832.19 mb = 1737.32 m = 5699.79 ft Lev Free Conv (LFC): 737.19 mb = 2763.61 m = 9066.84 ft Equ Level (EL): 157.19 mb = 13928.42 m = 45696.35 ft B at Equ Level: 1485.30 J/kg Max Parcel Lev (MPL): 87.19 mb = 17349.47 m = 56920.14 ft Wind level data Storm motion: 108 at 8 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 ---------------------------------------------------------- 0 988 227 240 7 6.1 3.5 | 265 13 13.3 1.1 1 979 305 245 7 6.3 3.0 | 267 14 13.6 0.6 2 947 610 285 5 4.8 -1.3 | 287 13 12.1 -3.7 3 925 816 280 6 5.9 -1.0 | 284 14 13.2 -3.4 4 915 914 275 6 6.0 -0.5 | 282 14 13.2 -2.9 5 883 1219 275 7 7.0 -0.6 | 282 15 14.2 -3.0 6 850 1554 105 9 -8.7 2.3 | 89 1 -1.4 -0.0 7 848 1574 105 9 -8.7 2.3 | 89 1 -1.4 -0.0 8 823 1829 85 15 -14.9 -1.3 | 64 9 -7.7 -3.7 9 794 2134 85 18 -17.9 -1.6 | 70 11 -10.7 -3.9 10 766 2438 90 19 -19.0 0.0 | 79 12 -11.7 -2.4 11 739 2743 85 22 -21.9 -1.9 | 74 15 -14.6 -4.3 12 700 3201 90 16 -16.0 0.0 | 75 9 -8.7 -2.4 13 661 3658 70 11 -10.3 -3.8 | 27 7 -3.1 -6.1 14 613 4267 70 9 -8.5 -3.1 | 12 6 -1.2 -5.4 15 568 4877 65 3 -2.7 -1.3 | 309 6 4.5 -3.6 16 500 5900 55 7 -5.7 -4.0 | 346 7 1.5 -6.4 17 487 6096 60 9 -7.8 -4.5 | 4 7 -0.5 -6.9 18 400 7610 325 1 0.6 -0.8 | 292 8 7.8 -3.2 19 399 7620 315 3 2.1 -2.1 | 296 10 9.4 -4.5 20 324 9144 75 4 -3.9 -1.0 | 315 5 3.4 -3.4 21 300 9700 115 8 -7.3 3.4 | 181 1 0.0 1.0 22 261 10668 200 7 2.4 6.6 | 246 11 9.7 4.2 23 250 10960 225 9 6.4 6.4 | 254 14 13.6 4.0 24 200 12430 230 8 6.1 5.1 | 258 14 13.4 2.8 25 150 14210 220 10 6.4 7.7 | 249 15 13.7 5.3 26 126 15240 280 10 9.8 -1.7 | 283 18 17.1 -4.1 27 100 16560 185 8 0.7 8.0 | 235 10 8.0 5.6 28 70 18630 80 14 -13.8 -2.4 | 54 8 -6.5 -4.8 29 50 20650 100 25 -24.6 4.3 | 97 17 -17.4 2.0 30 45 21336 100 25 -24.6 4.3 | 97 17 -17.4 2.0 31 30 23780 95 48 -47.8 4.2 | 93 41 -40.6 1.8 32 27 24384 95 52 -51.8 4.5 | 93 45 -44.5 2.2 33 20 26360 90 60 -60.0 0.0 | 87 53 -52.7 -2.4 34 15 27432 90 59 -59.0 0.0 | 87 52 -51.7 -2.4 Wind Parameters Mean winds (0-6000m): 78.0 at 10.2 knts Storm direction: 108.0 at 7.6 knts Shear (0-3000m) pos: 1.1 neg: 4.7 tot: 5.7 10-3/s Storm rel Dir Shear (0-3000m): 167.3 deg Storm rel helicity (0-3000m) pos: 26.1 neg: -52.5 tot: -26.4 m^2/s^2 ave: -8.8 10^-3 m/s^2 rel: -0.32 Storm rel vorticity (0-3000m) horiz: 9.1 stream: -2.9 10^-3/s Energy-Hel index: 0.20 Bulk Rich Number: 42.99 Bulk Shear: 34.56 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 ------------------------------------------------------------------------------- 500 263 6 277 13| 4.8 0.0 4.8| 17.6 -0.8 16.8 33.5 0.84| 5.9 4.9 1000 270 6 280 14| 2.4 1.0 3.4| 17.6 -5.9 11.7 11.7 0.43| 4.1 1.7 1500 261 7 275 14| 1.6 6.2 7.8| 17.6 -46.0 -28.4 -19.0 -0.49| 12.3 -6.0 2000 89 9 40 3| 1.2 6.1 7.3| 21.6 -47.7 -26.1 -13.1 -0.40| 10.9 -4.4 2500 88 12 57 5| 1.0 5.6 6.6| 25.3 -51.4 -26.1 -10.5 -0.36| 9.7 -3.4 3000 88 13 62 6| 1.1 4.7 5.7| 26.1 -52.5 -26.4 -8.8 -0.32| 9.1 -2.9 4000 84 12 54 6| 0.8 2.6 3.4| 26.1 -67.1 -41.1 -10.3 -0.40| 7.9 -3.1 5000 82 11 42 5| 0.6 1.6 2.2| 27.8 -75.0 -47.2 -9.4 -0.42| 7.1 -3.0 6000 78 10 31 5| 0.5 1.6 2.2| 34.9 -76.8 -41.9 -7.0 -0.35| 6.4 -2.2 Wrote GIF file: /home/apache/climate/data/raob//DRRN/skewt/DRRN.skewt.20251015.12.gif