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 U4688... Searching the city database file for: U4688 ... Date:1200Z 13 OCT 25 Station: U4688 WMO ident: 24688 Latitude: 63.27 Longitude: 143.15 ------------------------------------------------------------------------------- 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 176 SFC 930 742 -9.5 -14.4 67 4.9 -10.7 270 1 269.2 269.4 266.6 272.9 1.35 2 925 784 -9.9 -14.4 70 4.5 -11.0 285 1 269.2 269.4 266.7 273.0 1.35 3 850 1426 -14.7 -19.6 66 4.9 -15.7 360 5 270.7 270.9 267.0 273.5 0.95 4 786 2014 -19.3 -21.8 81 2.5 -19.7 18 9 271.9 272.1 267.6 274.4 0.85 5 754 2327 -14.3 -16.6 83 2.3 -14.9 28 11 280.6 280.9 273.8 284.7 1.38 6 700 2890 -15.3 -20.0 67 4.7 -16.3 45 15 285.5 285.7 276.1 288.9 1.12 7 666 3266 -15.7 -22.7 55 7.0 -17.1 43 16 289.2 289.4 277.7 292.1 0.93 8 644 3519 -16.7 -30.7 29 14.0 -19.0 41 16 290.8 290.9 277.8 292.3 0.46 9 594 4122 -20.5 -29.5 44 9.0 -21.9 38 17 293.2 293.3 279.1 295.0 0.56 10 507 5280 -26.9 -39.9 28 13.0 -28.2 31 19 299.1 299.1 281.3 299.9 0.23 11 500 5380 -27.7 -39.7 31 12.0 -28.9 30 19 299.3 299.3 281.4 300.1 0.24 12 470 5823 -29.7 -41.7 30 12.0 -30.8 33 20 302.1 302.2 282.5 302.9 0.21 13 400 6950 -38.9 -46.9 43 8.0 -39.4 40 23 304.4 304.5 283.4 304.9 0.14 14 300 8860 -53.7 -59.7 48 6.0 -53.8 30 27 309.7 309.7 285.2 309.8 0.04 15 290 9076 -55.9 -62.9 41 7.0 -56.0 26 27 309.5 309.5 285.2 309.6 0.03 16 250 10010 -58.5 -64.5 46 6.0 -58.6 10 27 319.1 319.1 288.5 319.2 0.03 17 243 10188 -59.3 -65.3 46 6.0 -59.4 10 27 320.5 320.5 288.9 320.6 0.02 18 227 10616 -59.3 -65.3 46 6.0 -59.4 12 24 326.8 326.8 290.8 326.9 0.03 19 206 11231 -54.7 -60.7 47 6.0 -54.8 14 20 343.2 343.2 295.1 343.5 0.05 20 201 11388 -55.5 -62.5 41 7.0 -55.6 15 19 344.4 344.4 295.4 344.6 0.04 21 200 11420 -55.5 -62.5 41 7.0 -55.6 15 19 344.9 344.9 295.5 345.1 0.04 22 160 12847 -56.3 -64.3 36 8.0 -56.5 38 13 366.3 366.3 299.9 366.4 0.04 23 150 13260 -55.3 -63.3 36 8.0 -55.5 45 11 374.8 374.8 301.4 375.0 0.05 24 100 15860 -52.7 -64.7 22 12.0 -53.2 70 5 425.9 425.9 308.4 426.2 0.06 25 70 18170 -50.7 -66.7 13 16.0 -51.7 95 5 475.9 475.9 313.1 476.3 0.07 26 50 20370 -50.9 -69.9 9 19.0 -52.3 165 7 523.5 523.5 316.5 523.9 0.06 27 34 22879 -51.3 -73.3 6 22.0 -53.2 195 7 583.5 583.5 319.9 583.9 0.06 28 31 23484 -47.9 -69.9 6 22.0 -50.7 202 7 608.3 608.4 321.0 609.1 0.10 29 30 23700 -49.5 -72.5 5 23.0 -52.1 205 7 609.7 609.7 321.0 610.2 0.07 30 22 25735 -50.1 -74.1 4 24.0 -53.2 201 9 664.5 664.5 323.3 665.1 0.08 31 20 26360 -49.7 -74.7 4 25.0 -53.2 200 9 684.0 684.1 323.9 684.7 0.08 32 12 29717 -47.9 -73.9 3 26.0 -53.4 798.0 798.1 327.3 799.4 0.14 TRP 243 10188 -59.3 -65.3 46 6.0 -59.4 10 27 320.5 320.5 288.9 320.6 0.02 WND Sounding variables and indices 1000-500 mb thick: 5204.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.16 inches Sfc-500 mean rel hum: 55.39 % Est. max temperature: -5.23 C = 22.58 F Sfc-Lift cond lev (LCL): 859.63 mb = 1340.43 m = 4397.69 ft T: -14.06 C 700-500 lapse rate: 4.98 C/km Conv cond level (CCL): 796.75 mb = 1912.19 m = 6273.52 ft Mean mixing ratio: 1.12 g/kg Conv temperature: -6.98 C = 19.43 F Cap Strength: 21.48 C Lifted Index: 21.56 C Risk: None Lifted Index @300 mb: 25.79 C Lifted Index @700 mb: 12.54 C Showalter Index: 21.38 C Risk: None Total Totals Index: 21.10 C Risk: None Vertical Totals Index: 13.00 C Cross Totals Index: 8.10 C K Index: -11.30 Risk: None Sweat Index: 29.00 Risk: None Energy Index: 5.68 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.52 J/kg Max Up Vert Vel: 3.32 m/s Conv Inhibition (B-): 67452.10 J/kg Cap Strength: 21.48 C Lift Cond Lev (LCL): 816.72 mb = 1726.13 m = 5663.08 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 65 at 11 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 ---------------------------------------------------------- 0 930 742 270 1 1.0 -0.0 | 247 12 10.9 4.7 1 925 784 285 1 1.0 -0.3 | 248 12 10.9 4.4 2 850 1426 360 5 -0.0 -5.0 | 272 10 9.9 -0.3 3 700 2890 45 15 -10.6 -10.6 | 7 6 -0.7 -5.9 4 500 5380 30 19 -9.5 -16.5 | 358 12 0.4 -11.8 5 400 6950 40 23 -14.8 -17.6 | 21 14 -4.9 -12.9 6 300 8860 30 27 -13.5 -23.4 | 11 19 -3.6 -18.7 7 250 10010 10 27 -4.7 -26.6 | 347 23 5.2 -21.9 8 243 10188 10 27 -4.7 -26.6 | 347 23 5.2 -21.9 9 200 11420 15 19 -4.9 -18.4 | 340 15 5.0 -13.7 10 150 13260 45 11 -7.8 -7.8 | 325 4 2.1 -3.1 11 100 15860 70 5 -4.7 -1.7 | 240 6 5.2 3.0 12 70 18170 95 5 -5.0 0.4 | 224 7 4.9 5.1 13 50 20370 165 7 -1.8 6.8 | 215 14 8.1 11.4 14 30 23700 205 7 3.0 6.3 | 229 17 12.9 11.0 15 20 26360 200 9 3.1 8.5 | 225 18 13.0 13.1 Wind Parameters Mean winds (0-6000m): 34.7 at 14.6 knts Storm direction: 64.7 at 11.0 knts Shear (0-3000m) pos: 2.8 neg: 0.2 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 117.3 deg Storm rel helicity (0-3000m) pos: 39.6 neg: -0.5 tot: 39.0 m^2/s^2 ave: 13.0 10^-3 m/s^2 rel: 0.82 Storm rel vorticity (0-3000m) horiz: 3.5 stream: 2.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.21 Bulk Shear: 25.73 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 ------------------------------------------------------------------------------- 500 327 2 256 12| 3.7 0.0 3.7| 11.6 0.0 11.6 23.2 0.95| 4.0 3.8 1000 357 4 265 10| 3.8 0.0 3.8| 21.1 0.0 21.1 21.1 0.88| 4.2 3.7 1500 11 6 275 9| 3.8 0.0 3.8| 29.3 0.0 29.3 19.5 0.89| 4.3 3.8 2000 25 7 285 7| 3.8 0.0 3.8| 37.2 0.0 37.2 18.6 0.91| 4.4 4.0 2500 33 9 297 6| 3.3 0.0 3.3| 39.6 -0.1 39.4 15.8 0.88| 4.0 3.5 3000 35 10 308 5| 2.8 0.2 3.0| 39.6 -0.5 39.0 13.0 0.82| 3.5 2.9 4000 36 12 328 6| 2.1 0.5 2.6| 39.6 -1.9 37.6 9.4 0.71| 3.0 2.1 5000 34 13 339 7| 1.8 0.5 2.3| 43.1 -3.3 39.8 8.0 0.66| 2.6 1.7 6000 35 15 348 8| 1.8 0.4 2.2| 54.0 -3.3 50.7 8.4 0.69| 2.5 1.7 Wrote GIF file: /home/apache/climate/data/raob//U4688/skewt/U4688.skewt.20251013.12.gif