UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101612.upa.cvt Date: 1200Z 16 OCT 25 Searching for DRRN... Searching the city database file for: DRRN ... Date:1200Z 16 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 106 SFC 986 227 33.6 20.6 47 13.0 24.2 270 14 308.0 310.9 297.8 355.4 15.68 2 974 339 30.4 19.4 52 11.0 22.5 275 13 305.8 308.6 296.6 349.9 14.71 3 931 745 26.4 18.4 61 8.0 20.8 292 8 305.7 308.4 296.4 349.0 14.45 4 925 803 26.2 18.2 61 8.0 20.6 295 7 306.1 308.8 296.4 349.2 14.36 5 918 870 26.2 17.2 58 9.0 19.9 306 7 306.8 309.3 296.1 347.6 13.57 6 876 1281 23.6 12.6 50 11.0 16.3 15 5 308.2 310.2 294.3 340.1 10.52 7 859 1452 22.8 8.8 41 14.0 14.0 35 8 309.1 310.7 292.9 334.5 8.30 8 850 1544 22.0 8.0 41 14.0 13.3 45 10 309.2 310.7 292.7 333.5 7.94 9 823 1823 19.6 7.6 46 12.0 12.2 48 12 309.5 311.0 292.8 334.0 7.98 10 700 3188 8.0 -6.0 36 14.0 1.4 65 21 311.3 312.0 289.5 322.4 3.49 11 619 4190 1.4 -24.6 12 26.0 -6.4 105 16 314.9 315.1 288.0 317.8 0.84 12 600 4441 1.0 -35.0 5 36.0 -7.7 115 15 317.3 317.3 288.2 318.5 0.33 13 584 4658 0.2 -35.8 5 36.0 -8.3 124 14 318.8 318.9 288.7 319.9 0.31 14 579 4727 0.0 -36.0 5 36.0 -8.5 127 14 319.4 319.4 288.9 320.5 0.31 15 517 5627 -4.3 -23.3 21 19.0 -10.2 164 9 324.7 324.9 291.3 328.7 1.13 16 513 5688 -4.7 -24.7 19 20.0 -10.7 167 9 324.9 325.1 291.3 328.5 1.01 17 500 5890 -6.1 -25.1 21 19.0 -11.6 175 8 325.6 325.8 291.5 329.1 1.00 18 497 5937 -6.3 -25.3 21 19.0 -11.8 177 8 325.9 326.1 291.6 329.4 0.98 19 475 6287 -8.7 -27.7 20 19.0 -13.7 191 8 327.2 327.4 291.7 330.2 0.83 20 418 7260 -15.7 -25.7 42 10.0 -18.3 231 7 330.4 330.6 292.9 334.4 1.13 21 414 7332 -15.9 -25.9 42 10.0 -18.5 234 7 331.0 331.3 293.1 335.1 1.12 22 400 7590 -16.7 -40.7 11 24.0 -20.8 245 7 333.3 333.3 292.9 334.3 0.27 23 374 8093 -20.1 -45.1 9 25.0 -23.6 247 9 335.2 335.3 293.3 336.0 0.18 24 300 9690 -32.9 -37.9 61 5.0 -33.6 255 15 339.0 339.1 294.6 340.9 0.49 25 282 10120 -36.3 -39.4 73 3.1 -36.7 253 17 340.2 340.3 294.8 341.9 0.44 26 255 10807 -42.1 -47.1 58 5.0 -42.5 251 20 341.5 341.6 294.9 342.4 0.21 27 250 10940 -43.3 -48.3 58 5.0 -43.6 250 21 341.7 341.7 294.9 342.5 0.19 28 244 11102 -44.7 -48.4 66 3.7 -44.9 251 21 342.0 342.0 295.0 342.8 0.19 29 200 12400 -54.5 -61.5 42 7.0 -54.6 255 24 346.5 346.5 295.9 346.7 0.05 30 195 12561 -55.9 -63.9 36 8.0 -56.1 249 24 346.7 346.8 296.0 346.9 0.04 31 180 13065 -60.1 -64.9 53 4.8 -60.2 231 26 347.9 347.9 296.2 348.1 0.03 32 156 13943 -66.3 -73.3 37 7.0 -66.4 199 28 351.9 351.9 297.1 352.0 0.01 33 150 14180 -67.5 -74.5 36 7.0 -67.5 190 29 353.8 353.8 297.4 353.9 0.01 34 125 15252 -76.9 -81.2 50 4.3 -76.9 233 20 355.7 355.7 297.8 355.7 0.00 35 118 15582 -78.7 -83.6 45 4.9 -78.7 246 17 358.3 358.3 298.4 358.3 0.00 36 100 16530 -76.1 -83.1 32 7.0 -76.1 285 8 380.7 380.7 302.3 380.7 0.00 37 92 17015 -73.7 -81.7 28 8.0 -73.7 322 11 394.6 394.6 304.5 394.7 0.01 38 76 18128 -75.9 -85.9 19 10.0 -75.9 48 17 412.2 412.2 306.8 412.2 0.00 39 70 18610 -70.9 -83.9 13 13.0 -71.0 170 19 432.7 432.7 309.1 432.7 0.00 40 59 19625 -68.1 -83.1 10 15.0 -68.2 112 24 460.7 460.7 311.8 460.7 0.01 41 53 20269 -66.3 -83.3 7 17.0 -66.5 75 27 479.2 479.2 313.4 479.2 0.01 42 50 20620 -66.9 -84.9 6 18.0 -67.1 55 29 485.8 485.8 313.9 485.9 0.01 43 30 23740 -59.5 -81.5 4 22.0 -60.4 100 59 582.4 582.4 319.8 582.6 0.02 44 27 24407 -54.5 -78.5 4 24.0 -56.3 100 60 614.3 614.3 321.3 614.5 0.03 45 24 25165 -52.5 -76.5 4 24.0 -54.9 94 60 641.2 641.2 322.3 641.5 0.05 46 23 25441 -52.3 -75.3 5 23.0 -54.8 92 61 649.6 649.6 322.7 650.1 0.06 47 21 26031 -50.7 -74.7 4 24.0 -53.8 87 61 671.5 671.6 323.5 672.1 0.07 48 21 26031 -50.1 -74.1 4 24.0 -53.3 87 61 673.4 673.4 323.6 674.0 0.08 49 20 26350 -50.3 -73.3 5 23.0 -53.5 85 61 682.2 682.2 323.9 683.0 0.09 50 17 27412 -50.3 -73.3 5 23.0 -53.9 90 63 714.7 714.7 324.9 715.6 0.11 51 16 27810 -48.5 -72.5 5 24.0 -52.9 91 60 733.0 733.1 325.5 734.2 0.13 52 11 30308 -42.9 -66.9 5 24.0 -50.7 98 43 836.3 836.5 328.2 840.8 0.43 53 10 30950 -43.9 -66.9 6 23.0 -51.5 100 39 855.7 855.9 328.6 860.7 0.47 54 9.3 31437 -44.1 -66.1 7 22.0 -51.8 872.9 873.2 329.0 879.1 0.57 55 8.9 31732 -44.3 -67.3 6 23.0 -52.2 883.1 883.4 329.2 888.7 0.50 56 8.5 32040 -43.9 -67.9 5 24.0 -52.2 896.4 896.7 329.5 901.8 0.48 TRP 876 1281 23.6 12.6 50 11.0 16.3 15 5 308.2 310.2 294.3 340.1 10.52 WND Sounding variables and indices 1000-500 mb thick: 5784.00 m Freezing level: 579.00 mb = 4727.10 m = 15508.69 ft Wetbulb zero: 685.29 mb = 3361.12 m = 11027.16 ft Precipitable water: 1.21 inches Sfc-500 mean rel hum: 31.61 % Est. max temperature: 34.97 C = 94.95 F Sfc-Lift cond lev (LCL): 817.79 mb = 1876.45 m = 6156.25 ft T: 19.15 C 700-500 lapse rate: 5.22 C/km ThetaE index: 16.18 C Layer 700.0- 600.0 mb Conv cond level (CCL): 769.55 mb = 2389.22 m = 7838.55 ft Mean mixing ratio: 13.87 g/kg Conv temperature: 35.94 C = 96.68 F Cap Strength: 3.02 C Lifted Index: -2.49 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.51 C Lifted Index @700 mb: -2.10 C Showalter Index: 3.49 C Risk: None Total Totals Index: 42.20 C Risk: None Vertical Totals Index: 28.10 C Cross Totals Index: 14.10 C K Index: 22.10 Risk: 20-40 % chance of thunderstorms Sweat Index: 124.00 Risk: None Energy Index: -0.77 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1073.22 J/kg Max Up Vert Vel: 46.33 m/s Conv Inhibition (B-): 108.00 J/kg Cap Strength: 3.02 C Lift Cond Lev (LCL): 812.45 mb = 1931.74 m = 6337.65 ft Lev Free Conv (LFC): 737.45 mb = 2748.51 m = 9017.31 ft Equ Level (EL): 177.45 mb = 13152.49 m = 43150.69 ft B at Equ Level: 1068.59 J/kg Max Parcel Lev (MPL): 97.45 mb = 16680.46 m = 54725.24 ft Wind level data Storm motion: 100 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 ---------------------------------------------------------- 0 986 227 270 14 14.0 -0.0 | 274 24 23.7 -1.7 1 925 803 295 7 6.3 -3.0 | 286 17 16.0 -4.7 2 876 1281 15 5 -1.3 -4.8 | 308 11 8.4 -6.6 3 850 1544 45 10 -7.1 -7.1 | 344 9 2.6 -8.8 4 700 3188 65 21 -19.0 -8.9 | 41 14 -9.4 -10.6 5 500 5890 175 8 -0.7 8.0 | 235 11 9.0 6.2 6 400 7590 245 7 6.3 3.0 | 266 16 16.0 1.2 7 300 9690 255 15 14.5 3.9 | 265 24 24.2 2.1 8 250 10940 250 21 19.7 7.2 | 260 30 29.4 5.4 9 200 12400 255 24 23.2 6.2 | 262 33 32.9 4.5 10 150 14180 190 29 5.0 28.6 | 209 31 14.7 26.8 11 100 16530 285 8 7.7 -2.1 | 282 18 17.4 -3.8 12 74 18288 60 18 -15.6 -9.0 | 29 12 -5.9 -10.7 13 70 18610 170 19 -3.3 18.7 | 201 18 6.4 17.0 14 50 20620 55 29 -23.8 -16.6 | 37 23 -14.1 -18.4 15 44 21336 75 32 -30.9 -8.3 | 65 23 -21.2 -10.0 16 30 23740 100 59 -58.1 10.2 | 100 49 -48.4 8.5 17 27 24384 100 60 -59.1 10.4 | 100 50 -49.4 8.7 18 20 26350 85 61 -60.8 -5.3 | 82 52 -51.1 -7.1 19 17 27432 90 63 -63.0 0.0 | 88 53 -53.3 -1.7 20 10 30950 100 39 -38.4 6.8 | 100 29 -28.7 5.0 Wind Parameters Mean winds (0-6000m): 70.2 at 13.1 knts Storm direction: 100.2 at 9.8 knts Shear (0-3000m) pos: 5.8 neg: 0.0 tot: 5.8 10-3/s Storm rel Dir Shear (0-3000m): 129.1 deg Storm rel helicity (0-3000m) pos: 97.2 neg: 0.0 tot: 97.2 m^2/s^2 ave: 32.4 10^-3 m/s^2 rel: 0.78 Storm rel vorticity (0-3000m) horiz: 6.1 stream: 4.8 10^-3/s Energy-Hel index: 0.50 Bulk Rich Number: 14.75 Bulk Shear: 72.75 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 ------------------------------------------------------------------------------- 500 277 11 278 21| 7.5 0.0 7.5| 22.8 0.0 22.8 45.7 0.55| 7.6 4.2 1000 290 9 285 18| 7.9 0.0 7.9| 45.4 0.0 45.4 45.4 0.61| 8.2 5.0 1500 321 9 299 17| 8.1 0.0 8.1| 65.5 0.0 65.5 43.7 0.72| 8.3 6.0 2000 3 10 321 15| 7.0 0.0 7.0| 74.6 0.0 74.6 37.3 0.75| 7.2 5.4 2500 29 11 339 12| 6.3 0.0 6.3| 84.8 0.0 84.8 33.9 0.77| 6.5 5.0 3000 43 12 354 11| 5.8 0.0 5.8| 97.2 0.0 97.2 32.4 0.78| 6.1 4.8 4000 60 14 15 9| 3.8 0.0 3.8|126.1 0.0 126.1 31.5 0.80| 6.4 5.1 5000 68 14 25 8| 2.3 0.0 2.3|144.8 0.0 144.8 29.0 0.83| 6.2 5.1 6000 70 13 23 7| 1.3 0.0 1.3|161.6 0.0 161.6 26.9 0.83| 5.8 4.8 Wrote GIF file: /home/apache/climate/data/raob//DRRN/skewt/DRRN.skewt.20251016.12.gif