UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101700.upa.cvt Date: 0000Z 17 OCT 25 Searching for DRRN... Searching the city database file for: DRRN ... Date:0000Z 17 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 93 SFC 985 227 29.6 17.6 49 12.0 21.3 190 4 304.1 306.5 295.0 342.6 12.96 2 925 791 29.4 11.4 33 18.0 17.7 175 8 309.4 311.1 293.7 337.4 9.19 3 880 1232 25.8 8.8 34 17.0 15.1 120 4 310.1 311.6 293.0 335.0 8.10 4 850 1536 23.2 6.2 33 17.0 12.9 75 6 310.4 311.8 292.3 332.1 7.01 5 700 3184 8.6 -4.4 39 13.0 2.2 60 28 312.0 312.8 290.1 324.5 3.94 6 500 5890 -5.7 -25.7 19 20.0 -11.5 175 3 326.1 326.3 291.6 329.5 0.94 7 400 7590 -17.3 -29.3 34 12.0 -20.1 255 11 332.5 332.7 293.2 335.6 0.85 8 300 9690 -32.1 -42.1 36 10.0 -33.3 240 21 340.1 340.2 294.7 341.4 0.31 9 250 10950 -41.7 -50.7 37 9.0 -42.3 260 24 344.1 344.1 295.4 344.7 0.15 10 200 12420 -53.9 -65.9 22 12.0 -54.2 225 21 347.4 347.4 296.1 347.5 0.03 11 150 14210 -68.3 -78.3 22 10.0 -68.4 220 27 352.4 352.4 297.1 352.5 0.01 12 100 16560 -76.3 -88.3 13 12.0 -76.3 155 10 380.3 380.3 302.3 380.3 0.00 13 95 16856 -76.1 -89.1 11 13.0 -76.2 162 12 386.3 386.3 303.2 386.3 0.00 14 70 18640 -71.1 -90.1 4 19.0 -71.2 335 10 432.3 432.3 309.1 432.3 0.00 15 67 18901 -70.9 -89.9 4 19.0 -71.0 349 13 438.2 438.2 309.7 438.2 0.00 16 63 19267 -71.9 -91.9 3 20.0 -72.0 8 18 443.7 443.7 310.3 443.7 0.00 17 50 20650 -67.7 -91.7 2 24.0 -67.9 80 35 484.0 484.0 313.8 484.0 0.00 18 46 21151 -67.1 -93.1 1 26.0 -67.4 88 39 497.1 497.1 314.7 497.1 0.00 19 39 22159 -61.3 -90.3 1 29.0 -61.9 90 44 535.8 535.8 317.3 535.8 0.00 20 36 22658 -58.5 -87.5 1 29.0 -59.5 90 47 555.4 555.4 318.4 555.5 0.01 21 36 22658 -58.5 -87.5 1 29.0 -59.5 90 47 555.4 555.4 318.4 555.5 0.01 22 34 23018 -57.3 -87.3 1 30.0 -58.4 90 49 567.7 567.7 319.0 567.8 0.01 23 30 23810 -56.3 -86.3 1 30.0 -57.7 90 53 591.2 591.2 320.2 591.2 0.01 24 26 24723 -54.7 -84.7 1 30.0 -56.5 88 50 620.4 620.4 321.5 620.5 0.01 25 25 24974 -54.7 -84.7 1 30.0 -56.6 89 51 627.4 627.4 321.8 627.5 0.01 26 24 25235 -53.7 -84.7 1 31.0 -55.9 91 52 637.7 637.7 322.2 637.8 0.01 27 23 25509 -53.3 -84.3 1 31.0 -55.6 93 53 646.7 646.7 322.6 646.8 0.01 28 21 26095 -53.5 -83.5 1 30.0 -55.9 98 55 663.1 663.1 323.2 663.2 0.02 29 20 26410 -52.1 -83.1 1 31.0 -55.0 100 56 676.7 676.7 323.7 676.9 0.02 30 18 27096 -49.7 -81.7 1 32.0 -53.5 96 58 705.0 705.0 324.6 705.2 0.03 31 16 27867 -49.5 92 61 729.8 TRP 880 1232 25.8 8.8 34 17.0 15.1 120 4 310.1 311.6 293.0 335.0 8.10 WND Sounding variables and indices 1000-500 mb thick: 5797.00 m Freezing level: 579.72 mb = 4811.38 m = 15785.19 ft Wetbulb zero: 667.37 mb = 3567.87 m = 11705.48 ft Precipitable water: 1.09 inches Sfc-500 mean rel hum: 32.88 % Est. max temperature: 36.13 C = 97.04 F Sfc-Lift cond lev (LCL): 827.50 mb = 1763.76 m = 5786.53 ft T: 21.18 C 700-500 lapse rate: 5.28 C/km ThetaE index: 18.14 C Layer 925.0- 500.0 mb Conv cond level (CCL): 700.29 mb = 3180.45 m = 10434.41 ft Mean mixing ratio: 10.09 g/kg Conv temperature: 37.51 C = 99.51 F Cap Strength: 3.39 C Lifted Index: 1.66 C Risk: Showers probable Lifted Index @300 mb: 2.86 C Lifted Index @700 mb: 1.37 C Showalter Index: 4.53 C Risk: None Total Totals Index: 40.80 C Risk: None Vertical Totals Index: 28.90 C Cross Totals Index: 11.90 C K Index: 22.10 Risk: 20-40 % chance of thunderstorms Sweat Index: 89.40 Risk: None Energy Index: -0.42 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 22.54 J/kg Max Up Vert Vel: 6.71 m/s Conv Inhibition (B-): 31637.23 J/kg Cap Strength: 3.39 C Lift Cond Lev (LCL): 740.88 mb = 2702.23 m = 8865.46 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 102 at 9 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 ---------------------------------------------------------- 0 985 227 190 4 0.7 3.9 | 258 10 9.7 2.0 1 976 305 185 12 1.0 12.0 | 225 14 10.1 10.0 2 944 610 175 11 -1.0 11.0 | 222 12 8.1 9.0 3 925 791 175 8 -0.7 8.0 | 234 10 8.3 6.0 4 912 914 150 6 -3.0 5.2 | 242 7 6.0 3.3 5 881 1219 115 2 -1.8 0.8 | 279 7 7.2 -1.1 6 880 1232 120 4 -3.5 2.0 | 269 6 5.6 0.1 7 850 1536 75 6 -5.8 -1.6 | 317 5 3.2 -3.5 8 821 1829 65 11 -10.0 -4.6 | 8 7 -0.9 -6.6 9 792 2134 45 11 -7.8 -7.8 | 353 10 1.2 -9.7 10 764 2438 50 14 -10.7 -9.0 | 9 11 -1.7 -10.9 11 737 2743 55 22 -18.0 -12.6 | 32 17 -9.0 -14.6 12 700 3184 60 28 -24.2 -14.0 | 44 22 -15.2 -15.9 13 660 3658 60 25 -21.7 -12.5 | 41 19 -12.6 -14.4 14 612 4267 75 17 -16.4 -4.4 | 49 10 -7.4 -6.3 15 567 4877 85 6 -6.0 -0.5 | 309 4 3.0 -2.5 16 500 5890 175 3 -0.3 3.0 | 263 9 8.8 1.1 17 487 6096 220 3 1.9 2.3 | 268 11 11.0 0.4 18 400 7590 255 11 10.6 2.8 | 267 20 19.7 0.9 19 398 7620 255 11 10.6 2.8 | 267 20 19.7 0.9 20 323 9144 245 17 15.4 7.2 | 258 25 24.4 5.3 21 300 9690 240 21 18.2 10.5 | 253 29 27.2 8.6 22 250 10950 260 24 23.6 4.2 | 266 33 32.7 2.2 23 200 12420 225 21 14.8 14.8 | 242 27 23.9 12.9 24 150 14210 220 27 17.4 20.7 | 235 32 26.4 18.8 25 126 15240 245 32 29.0 13.5 | 253 40 38.0 11.6 26 100 16560 155 10 -4.2 9.1 | 214 9 4.8 7.1 27 74 18288 195 20 5.2 19.3 | 219 22 14.2 17.4 28 70 18640 335 10 4.2 -9.1 | 310 17 13.3 -11.0 29 50 20650 80 35 -34.5 -6.1 | 73 27 -25.4 -8.0 30 45 21336 90 40 -40.0 0.0 | 86 31 -31.0 -1.9 31 30 23810 90 53 -53.0 0.0 | 87 44 -44.0 -1.9 32 27 24384 85 49 -48.8 -4.3 | 81 40 -39.8 -6.2 33 20 26410 100 56 -55.1 9.7 | 100 47 -46.1 7.8 34 15 27432 90 62 -62.0 0.0 | 88 53 -53.0 -1.9 Wind Parameters Mean winds (0-6000m): 72.1 at 12.3 knts Storm direction: 102.1 at 9.2 knts Shear (0-3000m) pos: 2.8 neg: 2.6 tot: 5.4 10-3/s Storm rel Dir Shear (0-3000m): 145.2 deg Storm rel helicity (0-3000m) pos: 72.9 neg: -26.9 tot: 46.0 m^2/s^2 ave: 15.3 10^-3 m/s^2 rel: 0.34 Storm rel vorticity (0-3000m) horiz: 8.8 stream: 3.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.50 Bulk Shear: 45.43 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 ------------------------------------------------------------------------------- 500 180 11 226 12| 0.0 5.4 5.4| 4.0 -22.2 -18.2 -36.5 -0.52| 12.4 -6.4 1000 172 8 233 10| 0.0 2.2 2.2| 14.5 -22.2 -7.7 -7.7 -0.03| 10.4 -0.4 1500 151 7 231 7| 0.0 4.1 4.1| 22.5 -22.2 0.3 0.2 0.21| 9.8 2.0 2000 115 8 227 2| 0.0 3.9 3.9| 26.8 -26.9 -0.1 -0.0 0.17| 9.0 1.5 2500 85 10 14 3| 2.0 3.2 5.2| 51.2 -26.9 24.4 9.7 0.29| 9.3 2.7 3000 72 12 26 6| 2.8 2.6 5.4| 72.9 -26.9 46.0 15.3 0.34| 8.8 3.0 4000 68 15 34 9| 1.1 2.0 3.1| 81.3 -31.0 50.3 12.6 0.30| 8.1 2.4 5000 70 14 32 8| 1.2 1.6 2.7| 81.3 -41.8 39.5 7.9 0.11| 8.0 0.9 6000 72 12 25 6| 1.3 1.3 2.7| 84.8 -43.7 41.1 6.9 0.11| 7.3 0.8 Wrote GIF file: /home/apache/climate/data/raob//DRRN/skewt/DRRN.skewt.20251017.00.gif