UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101312.upa.cvt Date: 1200Z 13 OCT 25 Searching for DRRN... Searching the city database file for: DRRN ... Date:1200Z 13 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 108 SFC 987 227 33.6 22.6 53 11.0 25.4 320 10 307.9 311.2 299.0 361.6 17.76 2 975 337 30.4 21.4 59 9.0 23.8 291 9 305.8 308.9 297.8 355.8 16.68 3 925 805 25.6 19.6 69 6.0 21.3 315 11 305.5 308.4 297.2 352.5 15.71 4 907 978 24.2 19.5 75 4.7 20.8 340 6 305.8 308.7 297.4 353.5 15.93 5 898 1065 23.4 18.8 75 4.6 20.1 355 6 305.8 308.7 297.0 351.9 15.39 6 877 1273 24.0 13.0 50 11.0 16.7 51 6 308.5 310.5 294.6 341.3 10.79 7 872 1323 23.6 12.6 50 11.0 16.3 80 7 308.6 310.6 294.5 340.7 10.57 8 850 1546 22.8 7.8 38 15.0 13.5 105 13 310.0 311.5 292.8 334.1 7.83 9 825 1805 21.8 2.8 29 19.0 10.9 101 23 311.6 312.7 291.5 329.4 5.68 10 700 3197 9.2 -1.8 46 11.0 3.5 95 25 312.7 313.6 291.1 327.8 4.79 11 619 4200 0.4 -6.6 59 7.0 -2.8 71 29 313.8 314.5 290.5 325.8 3.77 12 614 4265 0.0 -7.0 59 7.0 -3.1 70 29 314.0 314.7 290.5 325.8 3.68 13 600 4450 -1.3 -9.3 54 8.0 -4.7 78 26 314.6 315.2 290.2 324.8 3.15 14 559 5011 -4.7 -6.8 85 2.1 -5.7 99 15 317.0 317.8 291.8 330.3 4.11 15 550 5139 -5.7 -8.0 84 2.3 -6.7 98 13 317.3 318.1 291.6 329.6 3.81 16 536 5342 -3.5 -11.5 54 8.0 -6.8 95 11 322.3 322.9 292.3 332.2 2.96 17 500 5890 -5.5 -21.5 27 16.0 -10.7 90 4 326.3 326.6 292.0 331.1 1.37 18 455 6622 -9.9 -25.9 26 16.0 -14.4 88 5 329.7 329.9 292.6 333.4 1.02 19 427 7108 -13.7 -23.7 43 10.0 -16.6 123 5 330.9 331.2 293.2 335.7 1.32 20 408 7451 -16.1 -27.1 38 11.0 -18.9 149 6 332.2 332.4 293.3 335.9 1.02 21 400 7600 -17.1 -26.1 46 9.0 -19.4 160 6 332.8 333.0 293.6 336.9 1.14 22 383 7924 -19.7 -26.7 54 7.0 -21.4 159 7 333.5 333.7 293.7 337.6 1.12 23 300 9690 -32.7 -46.7 23 14.0 -34.1 240 9 339.3 339.3 294.3 340.1 0.19 24 251 10923 -42.1 -63.1 8 21.0 -42.9 302 13 343.1 343.1 295.1 343.2 0.03 25 250 10950 -42.5 -63.5 8 21.0 -43.3 305 13 342.9 342.9 295.0 343.0 0.03 26 238 11281 -45.3 -64.3 10 19.0 -45.9 284 14 343.5 343.5 295.2 343.6 0.03 27 200 12420 -54.5 -66.5 21 12.0 -54.7 210 16 346.5 346.5 295.8 346.6 0.02 28 177 13190 -61.1 -68.1 39 7.0 -61.2 240 17 348.0 348.0 296.2 348.0 0.02 29 157 13925 -66.3 -74.3 32 8.0 -66.4 269 19 351.3 351.3 296.9 351.3 0.01 30 152 14120 -67.7 -74.7 36 7.0 -67.8 277 19 352.1 352.1 297.1 352.2 0.01 31 150 14200 -68.5 -75.5 36 7.0 -68.5 280 19 352.1 352.1 297.1 352.1 0.01 32 133 14913 -72.1 -80.1 29 8.0 -72.1 273 10 358.0 358.0 298.3 358.0 0.00 33 128 15137 -73.7 -80.7 33 7.0 -73.7 271 7 359.1 359.1 298.5 359.1 0.00 34 119 15561 -74.9 -82.9 28 8.0 -74.9 243 8 364.4 364.4 299.5 364.4 0.00 35 102 16447 -78.3 -84.3 37 6.0 -78.3 165 15 374.3 374.3 301.3 374.3 0.00 36 100 16560 -78.7 -84.7 37 6.0 -78.7 155 16 375.7 375.7 301.5 375.7 0.00 37 98 16674 -79.1 -85.1 37 6.0 -79.1 151 16 377.1 377.1 301.8 377.1 0.00 38 97 16732 -79.1 -85.1 37 6.0 -79.1 148 16 378.2 378.2 301.9 378.2 0.00 39 92 17033 -77.7 -83.7 37 6.0 -77.7 137 17 386.7 386.7 303.3 386.7 0.00 40 76 18139 -71.7 -79.7 29 8.0 -71.8 95 19 421.0 421.0 307.8 421.0 0.01 41 70 18630 -65.7 -70.4 52 4.7 -65.8 95 30 443.8 443.8 310.3 444.1 0.04 42 50 20660 -66.5 -82.5 9 16.0 -66.7 85 9 486.8 486.8 314.0 486.8 0.01 43 37 22487 -64.3 -86.3 3 22.0 -64.7 95 34 536.2 536.2 317.3 536.2 0.01 44 35 22826 -63.9 -85.9 3 22.0 -64.4 95 38 545.8 545.8 317.9 545.9 0.01 45 33 23186 -63.9 -84.9 4 21.0 -64.4 95 41 555.1 555.1 318.4 555.2 0.01 46 32 23374 -63.5 -85.5 4 22.0 -64.1 95 42 561.1 561.1 318.7 561.1 0.01 47 31 23569 -63.5 -84.5 4 21.0 -64.1 95 44 566.2 566.2 319.0 566.3 0.01 48 30 23770 -63.3 -84.3 4 21.0 -63.9 95 46 572.1 572.1 319.3 572.1 0.01 49 26 24661 -58.1 -81.1 4 23.0 -59.3 94 48 610.7 610.7 321.1 610.9 0.02 50 24 25167 -56.3 -79.3 4 23.0 -57.9 93 50 630.1 630.1 321.9 630.3 0.03 51 20 26330 -54.5 -77.5 4 23.0 -56.8 90 57 669.4 669.4 323.4 669.8 0.05 52 18 27012 -49.7 -74.7 4 25.0 -53.4 88 57 705.0 705.0 324.6 705.7 0.08 53 17 27387 -49.1 -73.1 4 24.0 -53.1 87 56 718.5 718.6 325.0 719.5 0.11 54 16 27784 -49.5 -73.5 4 24.0 -53.5 86 56 729.8 729.8 325.4 730.8 0.11 55 13 29165 -42.7 -68.7 4 26.0 -50.1 798.0 798.1 327.3 800.8 0.28 56 12 29707 -41.3 -67.3 4 26.0 -49.6 821.4 821.6 327.8 825.2 0.37 57 11 30296 -42.9 -66.9 5 24.0 -50.7 836.3 836.5 328.2 840.8 0.43 58 10 30939 -42.9 -67.9 5 25.0 -51.1 859.4 859.6 328.7 863.8 0.41 TRP 872 1323 23.6 12.6 50 11.0 16.3 80 7 308.6 310.6 294.5 340.7 10.57 WND Sounding variables and indices 1000-500 mb thick: 5782.00 m Freezing level: 614.00 mb = 4265.44 m = 13994.06 ft Wetbulb zero: 655.08 mb = 3738.13 m = 12264.04 ft Precipitable water: 1.47 inches Sfc-500 mean rel hum: 52.09 % Est. max temperature: 36.55 C = 97.78 F Sfc-Lift cond lev (LCL): 842.77 mb = 1620.14 m = 5315.34 ft T: 22.51 C 700-500 lapse rate: 5.46 C/km ThetaE index: 27.69 C Layer 898.0- 614.0 mb Conv cond level (CCL): 775.32 mb = 2331.17 m = 7648.10 ft Mean mixing ratio: 15.95 g/kg Conv temperature: 37.78 C = 100.01 F Cap Strength: 4.26 C Lifted Index: -3.88 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -6.29 C Lifted Index @700 mb: -2.39 C Showalter Index: 3.86 C Risk: None Total Totals Index: 41.60 C Risk: None Vertical Totals Index: 28.30 C Cross Totals Index: 13.30 C K Index: 25.10 Risk: 40-60 % chance of thunderstorms Sweat Index: 123.60 Risk: None Energy Index: -0.53 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2226.18 J/kg Max Up Vert Vel: 66.73 m/s Conv Inhibition (B-): 138.80 J/kg Cap Strength: 4.25 C Lift Cond Lev (LCL): 846.14 mb = 1585.49 m = 5201.69 ft Lev Free Conv (LFC): 741.14 mb = 2713.15 m = 8901.32 ft Equ Level (EL): 141.14 mb = 14561.04 m = 47771.86 ft B at Equ Level: 2209.91 J/kg Max Parcel Lev (MPL): 81.14 mb = 17760.35 m = 58268.15 ft Wind level data Storm motion: 116 at 13 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 ---------------------------------------------------------- 0 987 227 320 10 6.4 -7.7 | 307 23 18.2 -13.4 1 978 305 290 9 8.5 -3.1 | 294 22 20.2 -8.9 2 946 610 300 11 9.5 -5.5 | 298 24 21.2 -11.3 3 925 805 315 11 7.8 -7.8 | 305 24 19.5 -13.6 4 914 914 330 6 3.0 -5.2 | 307 18 14.7 -11.0 5 882 1219 20 5 -1.7 -4.7 | 316 14 10.0 -10.5 6 872 1323 80 7 -6.9 -1.2 | 325 9 4.8 -7.0 7 850 1546 105 13 -12.6 3.4 | 19 3 -0.8 -2.4 8 822 1829 100 24 -23.6 4.2 | 82 12 -11.9 -1.6 9 793 2134 95 23 -22.9 2.0 | 71 12 -11.2 -3.8 10 765 2438 100 25 -24.6 4.3 | 84 13 -12.9 -1.4 11 738 2743 100 26 -25.6 4.5 | 85 14 -13.9 -1.3 12 700 3197 95 25 -24.9 2.2 | 75 14 -13.2 -3.6 13 661 3658 80 26 -25.6 -4.5 | 53 17 -13.9 -10.3 14 612 4267 70 29 -27.3 -9.9 | 45 22 -15.5 -15.7 15 567 4877 100 16 -15.8 2.8 | 53 5 -4.0 -3.0 16 500 5890 90 4 -4.0 0.0 | 307 10 7.7 -5.8 17 487 6096 50 4 -3.1 -2.6 | 314 12 8.7 -8.4 18 400 7600 160 6 -2.1 5.6 | 271 10 9.7 -0.1 19 399 7620 145 8 -4.6 6.6 | 264 7 7.1 0.8 20 323 9144 215 2 1.1 1.6 | 288 14 12.9 -4.1 21 300 9690 240 9 7.8 4.5 | 274 20 19.5 -1.3 22 260 10668 275 13 13.0 -1.1 | 286 26 24.7 -6.9 23 250 10950 305 13 10.6 -7.5 | 301 26 22.4 -13.2 24 200 12420 210 16 8.0 13.9 | 248 21 19.7 8.1 25 150 14200 280 19 18.7 -3.3 | 287 32 30.4 -9.1 26 125 15240 270 5 5.0 -0.0 | 289 18 16.7 -5.8 27 100 16560 155 16 -6.8 14.5 | 210 10 5.0 8.7 28 74 18288 90 19 -19.0 0.0 | 52 9 -7.3 -5.8 29 70 18630 95 30 -29.9 2.6 | 80 18 -18.2 -3.2 30 50 20660 85 9 -9.0 -0.8 | 337 7 2.8 -6.6 31 45 21336 95 24 -23.9 2.1 | 73 13 -12.2 -3.7 32 30 23770 95 46 -45.8 4.0 | 87 34 -34.1 -1.8 33 27 24384 95 46 -45.8 4.0 | 87 34 -34.1 -1.8 34 20 26330 90 57 -57.0 0.0 | 83 46 -45.3 -5.8 35 15 27432 85 56 -55.8 -4.9 | 76 45 -44.1 -10.7 Wind Parameters Mean winds (0-6000m): 86.3 at 17.4 knts Storm direction: 116.3 at 13.1 knts Shear (0-3000m) pos: 5.6 neg: 0.6 tot: 6.3 10-3/s Storm rel Dir Shear (0-3000m): 126.6 deg Storm rel helicity (0-3000m) pos: 72.5 neg: -45.9 tot: 26.6 m^2/s^2 ave: 8.9 10^-3 m/s^2 rel: 0.24 Storm rel vorticity (0-3000m) horiz: 9.2 stream: 2.2 10^-3/s Energy-Hel index: 0.91 Bulk Rich Number: 23.90 Bulk Shear: 93.14 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 ------------------------------------------------------------------------------- 500 299 10 298 23| 0.0 2.3 2.3| 20.8 -28.8 -8.0 -16.1 -0.17| 9.3 -1.6 1000 313 9 303 21| 5.6 1.2 6.8| 45.7 -28.8 16.9 16.9 0.17| 10.5 1.8 1500 359 10 322 19| 10.4 0.8 11.1| 61.2 -28.8 32.4 21.6 0.35| 14.1 4.9 2000 76 13 6 9| 7.8 0.5 8.3| 65.5 -35.8 29.7 14.9 0.28| 12.4 3.5 2500 88 16 31 7| 6.8 0.4 7.1| 72.5 -35.8 36.8 14.7 0.31| 10.5 3.2 3000 91 17 45 8| 5.6 0.6 6.3| 72.5 -45.9 26.6 8.9 0.24| 9.2 2.2 4000 86 20 48 11| 4.2 1.9 6.2| 72.5 -82.2 -9.7 -2.4 0.07| 8.4 0.6 5000 86 20 48 11| 2.9 1.6 4.4| 86.8 -87.7 -1.0 -0.2 0.04| 8.9 0.4 6000 86 17 39 9| 2.4 1.6 4.0| 89.5 -96.6 -7.1 -1.2 -0.01| 8.4 -0.1 Wrote GIF file: /home/apache/climate/data/raob//DRRN/skewt/DRRN.skewt.20251013.12.gif