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 U4688... Searching the city database file for: U4688 ... Date:1200Z 15 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 213 SFC 934 742 -11.3 -14.9 75 3.6 -12.1 270 1 267.0 267.2 265.0 270.6 1.29 2 925 817 -10.7 -14.5 74 3.8 -11.6 270 3 268.4 268.6 266.1 272.1 1.34 3 871 1277 -13.3 -17.4 71 4.1 -14.2 341 4 270.3 270.5 267.0 273.5 1.12 4 850 1464 -11.1 -14.5 76 3.4 -11.9 10 5 274.5 274.8 270.3 278.7 1.46 5 843 1527 -11.1 -14.3 77 3.2 -11.9 10 5 275.2 275.4 270.8 279.4 1.50 6 722 2700 -17.3 -20.1 79 2.8 -17.9 14 12 280.8 281.0 273.5 284.0 1.07 7 700 2931 -18.9 -22.5 73 3.6 -19.6 15 13 281.6 281.7 273.6 284.2 0.90 8 600 4057 -26.1 -29.1 76 3.0 -26.5 6 12 285.9 286.0 275.5 287.7 0.57 9 594 4130 -25.9 -29.1 74 3.2 -26.3 5 12 287.0 287.1 276.0 288.8 0.58 10 500 5360 -30.9 -40.9 37 10.0 -31.7 355 11 295.4 295.4 279.6 296.1 0.21 11 445 6181 -34.3 -46.3 29 12.0 -35.1 331 14 301.1 301.1 282.0 301.6 0.13 12 431 6404 -35.7 -48.7 25 13.0 -36.4 325 15 302.1 302.1 282.4 302.5 0.11 13 400 6920 -38.9 -51.9 24 13.0 -39.5 310 17 304.4 304.4 283.3 304.7 0.08 14 350 7826 -44.5 -55.5 28 11.0 -44.9 303 25 308.7 308.7 284.9 308.9 0.06 15 300 8850 -48.5 -58.5 30 10.0 -48.8 295 35 317.0 317.0 287.8 317.2 0.05 16 250 10040 -51.7 -60.7 33 9.0 -51.9 290 40 329.2 329.2 291.5 329.4 0.04 17 202 11407 -56.5 -64.5 36 8.0 -56.6 285 42 342.3 342.3 294.9 342.5 0.03 18 200 11470 -56.5 -64.5 36 8.0 -56.6 285 42 343.3 343.3 295.1 343.4 0.03 19 150 13300 -55.9 -63.9 36 8.0 -56.1 295 33 373.8 373.8 301.2 374.0 0.05 20 100 15890 -53.9 -63.9 28 10.0 -54.4 310 19 423.6 423.6 308.2 424.0 0.07 21 70 18180 -54.1 -67.1 19 13.0 -54.8 320 13 468.6 468.7 312.5 469.0 0.07 22 50 20340 -52.9 -68.9 13 16.0 -54.0 345 7 518.8 518.8 316.2 519.3 0.07 23 44 21160 -54.7 -71.7 11 17.0 -55.8 334 6 533.7 533.8 317.2 534.1 0.05 24 36 22451 -51.7 -69.7 10 18.0 -53.4 316 6 573.0 573.1 319.3 573.7 0.09 25 30 23630 -52.7 -72.7 7 20.0 -54.6 300 5 601.0 601.0 320.7 601.5 0.07 26 21 25926 -53.5 -74.5 6 21.0 -55.8 146 3 663.1 663.1 323.2 663.7 0.08 27 20 26240 -52.7 -74.7 5 22.0 -55.3 125 3 674.9 674.9 323.6 675.5 0.08 28 10 30780 -47.5 -73.5 3 26.0 -53.8 210 7 842.2 842.3 328.2 844.1 0.18 29 7.3 32843 -51.1 -76.1 4 25.0 -57.0 906.9 907.0 329.6 908.7 0.17 30 5.9 34240 -47.5 -73.5 3 26.0 -55.8 979.4 979.6 330.9 983.2 0.31 TRP 202 11407 -56.5 -64.5 36 8.0 -56.6 285 42 342.3 342.3 294.9 342.5 0.03 WND Sounding variables and indices 1000-500 mb thick: 5147.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.18 inches Sfc-500 mean rel hum: 70.03 % Est. max temperature: -0.70 C = 30.74 F Sfc-Lift cond lev (LCL): 881.29 mb = 1187.50 m = 3895.96 ft T: -12.79 C 700-500 lapse rate: 4.94 C/km ThetaE index: 0.00 C Layer 934.0- 17.2 mb Conv cond level (CCL): 710.66 mb = 2818.33 m = 9246.39 ft Mean mixing ratio: 1.29 g/kg Conv temperature: 2.61 C = 36.70 F Cap Strength: 11.46 C Lifted Index: 17.42 C Risk: None Lifted Index @300 mb: 30.17 C Lifted Index @700 mb: 8.00 C Showalter Index: 14.08 C Risk: None Total Totals Index: 36.20 C Risk: None Vertical Totals Index: 19.80 C Cross Totals Index: 16.40 C K Index: 1.70 Risk: None Sweat Index: 21.00 Risk: None Energy Index: 3.59 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 33.81 J/kg Max Up Vert Vel: 8.22 m/s Conv Inhibition (B-): 76213.00 J/kg Cap Strength: 17.31 C Lift Cond Lev (LCL): 831.09 mb = 1635.04 m = 5364.23 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 26 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 ---------------------------------------------------------- 0 934 742 270 1 1.0 -0.0 | 212 9 4.6 7.2 1 925 817 270 3 3.0 -0.0 | 222 10 6.6 7.2 2 850 1464 10 5 -0.9 -4.9 | 230 4 2.7 2.3 3 700 2931 15 13 -3.4 -12.6 | 358 5 0.2 -5.3 4 500 5360 355 11 1.0 -11.0 | 310 6 4.5 -3.7 5 400 6920 310 17 13.0 -10.9 | 283 17 16.6 -3.7 6 300 8850 295 35 31.7 -14.8 | 282 36 35.3 -7.6 7 250 10040 290 40 37.6 -13.7 | 279 42 41.2 -6.5 8 202 11407 285 42 40.6 -10.9 | 275 44 44.1 -3.7 9 200 11470 285 42 40.6 -10.9 | 275 44 44.1 -3.7 10 150 13300 295 33 29.9 -13.9 | 281 34 33.5 -6.7 11 100 15890 310 19 14.6 -12.2 | 285 19 18.1 -5.0 12 70 18180 320 13 8.4 -10.0 | 283 12 11.9 -2.7 13 50 20340 345 7 1.8 -6.8 | 265 5 5.4 0.5 14 30 23630 300 5 4.3 -2.5 | 239 9 7.9 4.7 15 20 26240 125 3 -2.5 1.7 | 187 9 1.1 8.9 16 10 30780 210 7 3.5 6.1 | 208 15 7.1 13.3 Wind Parameters Mean winds (0-6000m): 356.4 at 10.7 knts Storm direction: 26.4 at 8.1 knts Shear (0-3000m) pos: 2.1 neg: 0.2 tot: 2.3 10-3/s Storm rel Dir Shear (0-3000m): 127.8 deg Storm rel helicity (0-3000m) pos: 13.4 neg: -2.8 tot: 10.7 m^2/s^2 ave: 3.6 10^-3 m/s^2 rel: 0.41 Storm rel vorticity (0-3000m) horiz: 3.2 stream: 1.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 3.17 Bulk Shear: 10.67 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 ------------------------------------------------------------------------------- 500 306 3 231 8| 4.1 0.0 4.1| 9.1 0.0 9.1 18.3 0.63| 6.4 4.1 1000 350 4 236 5| 3.5 0.0 3.5| 9.8 -0.5 9.3 9.3 0.42| 5.4 2.3 1500 2 5 243 4| 3.3 0.0 3.3| 11.3 -0.5 10.8 7.2 0.53| 4.5 2.4 2000 8 7 260 3| 3.2 0.0 3.2| 12.8 -0.5 12.3 6.2 0.55| 4.1 2.3 2500 10 8 285 2| 2.5 0.2 2.7| 13.4 -1.4 12.0 4.8 0.49| 3.6 1.8 3000 10 9 303 2| 2.1 0.2 2.3| 13.4 -2.8 10.7 3.6 0.41| 3.2 1.3 4000 8 10 316 3| 1.6 0.4 2.0| 13.4 -5.5 8.0 2.0 0.28| 2.6 0.7 5000 5 10 316 4| 1.3 0.7 1.9| 13.4 -8.4 5.0 1.0 0.17| 2.5 0.4 6000 356 11 309 6| 1.1 1.2 2.3| 13.4 -21.1 -7.7 -1.3 0.01| 2.8 0.0 Wrote GIF file: /home/apache/climate/data/raob//U4688/skewt/U4688.skewt.20251015.12.gif