UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101600.upa.cvt Date: 0000Z 16 OCT 25 Searching for U4688... Searching the city database file for: U4688 ... Date:0000Z 16 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 238 SFC 936 744 -14.9 -18.5 74 3.6 -15.6 200 1 263.2 263.3 261.6 265.8 0.95 2 925 834 -14.3 -18.9 68 4.6 -15.2 230 3 264.7 264.8 262.7 267.3 0.93 3 916 908 -13.3 -17.5 71 4.2 -14.2 239 3 266.5 266.6 264.2 269.4 1.05 4 850 1476 -13.5 -16.5 78 3.0 -14.2 305 5 272.0 272.2 268.3 275.5 1.24 5 787 2061 -14.1 -19.0 66 4.9 -15.2 317 5 277.4 277.6 271.5 280.6 1.08 6 700 2938 -21.7 -29.7 48 8.0 -22.8 335 5 278.5 278.5 271.1 279.9 0.46 7 645 3538 -21.1 -27.1 58 6.0 -22.0 350 7 285.7 285.8 275.5 287.7 0.64 8 577 4350 -24.9 -34.9 39 10.0 -26.1 9 10 290.5 290.6 277.5 291.6 0.34 9 539 4839 -28.9 -40.9 31 12.0 -29.9 22 11 291.5 291.5 277.7 292.1 0.20 10 500 5370 -32.7 -43.7 33 11.0 -33.4 35 13 293.2 293.2 278.5 293.7 0.16 11 400 6910 -43.9 -52.9 36 9.0 -44.2 15 17 297.9 297.9 280.6 298.2 0.07 12 326 8250 -54.3 -63.3 32 9.0 -54.4 19 17 301.6 301.6 282.0 301.6 0.02 13 300 8780 -56.3 -65.3 31 9.0 -56.4 20 17 306.0 306.0 283.8 306.1 0.02 14 259 9700 -59.9 -68.9 30 9.0 -60.0 360 15 313.8 313.8 286.7 313.9 0.01 15 250 9920 -59.1 -68.1 30 9.0 -59.2 355 15 318.2 318.2 288.2 318.3 0.02 16 238 10231 -58.3 -67.3 31 9.0 -58.4 354 15 323.9 323.9 290.0 324.0 0.02 17 231 10422 -54.9 -63.9 32 9.0 -55.1 353 15 331.9 331.9 292.3 332.0 0.03 18 200 11350 -53.9 -62.9 32 9.0 -54.1 350 15 347.4 347.4 296.1 347.6 0.04 19 154 13030 -51.3 -63.3 23 12.0 -51.7 355 10 378.8 378.8 302.1 379.1 0.05 20 150 13200 -52.1 -64.1 22 12.0 -52.5 355 9 380.3 380.3 302.3 380.5 0.05 21 133 13976 -54.5 -68.5 16 14.0 -54.9 351 8 389.3 389.3 303.7 389.5 0.03 22 125 14377 -51.9 -65.9 17 14.0 -52.4 348 8 401.0 401.0 305.4 401.2 0.04 23 100 15820 -53.5 -69.5 13 16.0 -54.1 340 7 424.4 424.4 308.2 424.5 0.03 24 70 18120 -53.5 -73.5 7 20.0 -54.4 255 3 469.9 469.9 312.7 470.1 0.03 25 59 19220 -54.1 -75.1 6 21.0 -55.0 242 4 492.1 492.1 314.4 492.3 0.02 26 50 20290 -51.7 -73.7 5 22.0 -53.1 230 5 521.6 521.7 316.4 521.9 0.04 27 30 23620 -50.1 -75.1 4 25.0 -52.6 190 7 608.1 608.1 321.0 608.4 0.05 28 24 25077 -49.1 -74.1 4 25.0 -52.3 207 14 651.0 651.1 322.7 651.6 0.07 29 22 25651 -46.3 -72.3 4 26.0 -50.5 213 16 675.8 675.8 323.6 676.6 0.10 30 20 26280 -48.1 -74.1 3 26.0 -52.1 220 19 688.9 689.0 324.1 689.7 0.08 31 19 26620 -46.5 -72.5 4 26.0 -51.1 223 18 704.1 704.1 324.6 705.1 0.11 32 11 30230 -49.1 -74.1 4 25.0 -54.4 254 9 813.8 813.9 327.6 815.3 0.15 33 10 30860 -46.3 -72.3 4 26.0 -53.1 260 7 846.7 846.8 328.4 849.0 0.22 34 8.7 31785 -46.7 -72.7 4 26.0 -53.9 879.6 879.7 329.1 882.1 0.24 TRP 259 9700 -59.9 -68.9 30 9.0 -60.0 360 15 313.8 313.8 286.7 313.9 0.01 WND Sounding variables and indices 1000-500 mb thick: 5132.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.14 inches Sfc-500 mean rel hum: 54.05 % Est. max temperature: -0.92 C = 30.35 F Sfc-Lift cond lev (LCL): 882.69 mb = 1189.40 m = 3902.20 ft T: -13.40 C 700-500 lapse rate: 4.52 C/km ThetaE index: 0.70 C Layer 700.0- 645.0 mb Conv cond level (CCL): 723.45 mb = 2691.46 m = 8830.15 ft Mean mixing ratio: 1.12 g/kg Conv temperature: -0.18 C = 31.68 F Cap Strength: 16.67 C Lifted Index: 17.55 C Risk: None Lifted Index @300 mb: 24.07 C Lifted Index @700 mb: 7.17 C Showalter Index: 14.74 C Risk: None Total Totals Index: 35.40 C Risk: None Vertical Totals Index: 19.20 C Cross Totals Index: 16.20 C K Index: -5.30 Risk: None Sweat Index: 23.00 Risk: None Energy Index: 3.83 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 25.49 J/kg Max Up Vert Vel: 7.14 m/s Conv Inhibition (B-): 71857.77 J/kg Cap Strength: 17.48 C Lift Cond Lev (LCL): 833.91 mb = 1621.33 m = 5319.26 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 42 at 7 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 ---------------------------------------------------------- 0 936 744 200 1 0.3 0.9 | 219 8 4.7 5.9 1 925 834 230 3 2.3 1.9 | 224 10 6.7 6.9 2 850 1476 305 5 4.1 -2.9 | 256 9 8.5 2.1 3 700 2938 335 5 2.1 -4.5 | 266 7 6.5 0.4 4 500 5370 35 13 -7.5 -10.6 | 28 6 -3.1 -5.7 5 400 6910 15 17 -4.4 -16.4 | 360 11 0.0 -11.5 6 300 8780 20 17 -5.8 -16.0 | 7 11 -1.4 -11.0 7 259 9700 360 15 -0.0 -15.0 | 336 11 4.4 -10.1 8 250 9920 355 15 1.3 -14.9 | 330 12 5.7 -10.0 9 200 11350 350 15 2.6 -14.8 | 325 12 7.0 -9.8 10 150 13200 355 9 0.8 -9.0 | 308 7 5.2 -4.0 11 100 15820 340 7 2.4 -6.6 | 284 7 6.8 -1.6 12 70 18120 255 3 2.9 0.8 | 232 9 7.3 5.7 13 50 20290 230 5 3.8 3.2 | 225 12 8.2 8.2 14 30 23620 190 7 1.2 6.9 | 205 13 5.6 11.8 15 20 26280 220 19 12.2 14.6 | 220 26 16.6 19.5 16 10 30860 260 7 6.9 1.2 | 241 13 11.3 6.2 Wind Parameters Mean winds (0-6000m): 11.7 at 8.8 knts Storm direction: 41.7 at 6.6 knts Shear (0-3000m) pos: 1.5 neg: 0.0 tot: 1.5 10-3/s Storm rel Dir Shear (0-3000m): 78.9 deg Storm rel helicity (0-3000m) pos: 23.6 neg: 0.0 tot: 23.6 m^2/s^2 ave: 7.9 10^-3 m/s^2 rel: 0.79 Storm rel vorticity (0-3000m) horiz: 2.4 stream: 1.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.66 Bulk Shear: 15.35 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 ------------------------------------------------------------------------------- 500 254 3 233 10| 4.3 0.0 4.3| 10.2 0.0 10.2 20.3 0.74| 5.6 4.2 1000 287 4 246 9| 2.8 0.0 2.8| 16.0 0.0 16.0 16.0 0.78| 4.2 3.3 1500 299 4 251 9| 1.9 0.0 1.9| 17.1 0.0 17.1 11.4 0.76| 3.1 2.4 2000 307 5 255 8| 1.5 0.0 1.5| 17.9 0.0 17.9 8.9 0.74| 2.6 1.9 2500 314 5 258 8| 1.4 0.0 1.4| 20.2 0.0 20.2 8.1 0.75| 2.4 1.8 3000 323 5 263 8| 1.5 0.0 1.5| 23.6 0.0 23.6 7.9 0.79| 2.4 1.9 4000 344 6 279 6| 1.5 0.0 1.5| 31.0 0.0 31.0 7.7 0.84| 2.4 2.1 5000 5 7 304 4| 1.4 0.1 1.5| 36.4 -1.6 34.8 7.0 0.77| 2.5 1.9 6000 12 9 325 5| 1.2 0.5 1.6| 36.4 -8.4 28.0 4.7 0.56| 2.4 1.4 Wrote GIF file: /home/apache/climate/data/raob//U4688/skewt/U4688.skewt.20251016.00.gif