UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102400.upa.cvt Date: 0000Z 24 OCT 25 Searching for U4688... Searching the city database file for: U4688 ... Date:0000Z 24 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 161 SFC 926 741 -18.9 -20.8 85 1.9 -19.2 0 0 259.9 260.0 258.7 262.1 0.79 2 925 749 -18.9 -21.8 78 2.9 -19.3 360 0 260.0 260.1 258.6 262.0 0.72 3 874 1171 -16.5 -19.3 79 2.8 -17.0 347 5 266.7 266.9 264.2 269.4 0.95 4 850 1379 -17.9 -20.5 80 2.6 -18.3 340 7 267.4 267.5 264.6 269.9 0.88 5 825 1602 -19.3 -22.1 78 2.8 -19.7 338 8 268.2 268.3 265.0 270.5 0.79 6 700 2814 -23.3 -26.2 77 2.9 -23.7 325 13 276.7 276.8 270.3 278.6 0.64 7 676 3068 -23.7 -26.7 76 3.0 -24.1 325 13 279.0 279.1 271.7 280.9 0.64 8 527 4845 -34.3 -37.4 73 3.1 -34.6 325 15 286.9 286.9 275.5 287.8 0.29 9 500 5210 -37.1 -39.9 75 2.8 -37.3 325 15 287.8 287.8 275.9 288.6 0.24 10 407 6596 -47.5 -50.4 72 2.9 -47.6 343 11 291.8 291.8 277.7 292.1 0.09 11 400 6710 -47.9 -50.9 71 3.0 -48.0 345 11 292.7 292.8 278.2 293.0 0.09 12 322 8125 -54.9 -58.3 66 3.4 -54.9 340 13 301.8 301.8 282.1 302.0 0.05 13 317 8225 -54.9 -58.3 66 3.4 -54.9 333 14 303.1 303.2 282.7 303.3 0.05 14 300 8580 -53.5 -56.9 66 3.4 -53.6 310 19 309.9 309.9 285.4 310.2 0.06 15 250 9740 -55.7 -59.2 65 3.5 -55.8 315 25 323.3 323.3 289.8 323.5 0.05 16 245 9870 -56.1 -59.5 65 3.4 -56.2 315 25 324.5 324.5 290.2 324.7 0.05 17 200 11180 -53.3 -57.0 64 3.7 -53.4 320 25 348.4 348.4 296.4 348.7 0.09 18 174 12080 -51.3 -54.9 65 3.6 -51.5 318 23 365.8 365.8 299.9 366.4 0.13 19 150 13040 -52.9 -57.0 61 4.1 -53.1 315 21 378.9 379.0 302.2 379.5 0.11 20 100 15640 -53.7 -59.7 48 6.0 -54.0 315 13 424.0 424.0 308.2 424.6 0.12 21 70 17920 -56.7 -64.7 36 8.0 -57.1 300 11 463.1 463.1 312.1 463.6 0.09 22 50 20050 -56.7 -67.7 24 11.0 -57.3 285 9 509.9 509.9 315.7 510.4 0.08 23 40 21467 -57.3 -69.3 20 12.0 -58.0 278 9 542.0 542.0 317.6 542.5 0.08 24 30 23300 -54.9 -69.9 14 15.0 -56.3 270 9 595.0 595.0 320.4 595.7 0.10 25 20 25920 -48.9 -68.9 8 20.0 -52.4 235 13 686.5 686.6 324.0 688.0 0.18 26 15 27818 -46.5 -69.5 6 23.0 -51.7 229 23 753.3 753.4 326.1 755.4 0.22 27 13 28763 -48.5 -72.5 5 24.0 -53.5 226 27 777.9 778.0 326.7 779.5 0.16 28 10 30500 -45.3 -71.3 4 26.0 -52.5 220 36 850.5 850.6 328.5 853.1 0.25 29 9.0 31202 -45.9 -71.9 4 26.0 -53.3 874.2 874.3 329.0 877.0 0.26 TRP 322 8125 -54.9 -58.3 66 3.4 -54.9 340 13 301.8 301.8 282.1 302.0 0.05 WND Sounding variables and indices 1000-500 mb thick: 5049.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.13 inches Sfc-500 mean rel hum: 76.42 % Est. max temperature: -7.71 C = 18.13 F Sfc-Lift cond lev (LCL): 897.56 mb = 973.21 m = 3192.92 ft T: -17.63 C 700-500 lapse rate: 5.76 C/km ThetaE index: 0.09 C Layer 925.0- 874.0 mb Conv cond level (CCL): 712.70 mb = 2681.38 m = 8797.06 ft Mean mixing ratio: 0.85 g/kg Conv temperature: -3.40 C = 25.89 F Cap Strength: 16.13 C Lifted Index: 16.61 C Risk: None Lifted Index @300 mb: 29.92 C Lifted Index @700 mb: 9.02 C Showalter Index: 14.85 C Risk: None Total Totals Index: 35.80 C Risk: None Vertical Totals Index: 19.20 C Cross Totals Index: 16.60 C K Index: -4.20 Risk: None Sweat Index: 29.00 Risk: None Energy Index: 3.95 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 33.21 J/kg Max Up Vert Vel: 8.15 m/s Conv Inhibition (B-): 67154.76 J/kg Cap Strength: 16.51 C Lift Cond Lev (LCL): 836.24 mb = 1500.68 m = 4923.44 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 359 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 ---------------------------------------------------------- 0 926 741 0 0 -0.0 -0.0 | 179 9 -0.1 8.8 1 925 749 360 0 -0.0 -0.0 | 179 9 -0.1 8.8 2 850 1379 340 7 2.4 -6.6 | 225 3 2.2 2.2 3 700 2814 325 13 7.5 -10.6 | 284 8 7.3 -1.9 4 500 5210 325 15 8.6 -12.3 | 292 9 8.5 -3.5 5 400 6710 345 11 2.8 -10.6 | 304 3 2.7 -1.8 6 322 8125 340 13 4.4 -12.2 | 309 5 4.3 -3.4 7 300 8580 310 19 14.6 -12.2 | 283 15 14.4 -3.4 8 250 9740 315 25 17.7 -17.7 | 297 20 17.5 -8.9 9 200 11180 320 25 16.1 -19.2 | 303 19 15.9 -10.4 10 150 13040 315 21 14.8 -14.8 | 292 16 14.7 -6.1 11 100 15640 315 13 9.2 -9.2 | 273 9 9.0 -0.4 12 70 17920 300 11 9.5 -5.5 | 251 10 9.4 3.3 13 50 20050 285 9 8.7 -2.3 | 233 11 8.5 6.5 14 30 23300 270 9 9.0 -0.0 | 225 12 8.9 8.8 15 20 25920 235 13 10.6 7.5 | 213 19 10.5 16.3 16 10 30500 220 36 23.1 27.6 | 212 43 23.0 36.4 Wind Parameters Mean winds (0-6000m): 329.0 at 11.7 knts Storm direction: 359.0 at 8.8 knts Shear (0-3000m) pos: 0.0 neg: 2.4 tot: 2.4 10-3/s Storm rel Dir Shear (0-3000m): 108.8 deg Storm rel helicity (0-3000m) pos: 9.3 neg: 0.0 tot: 9.3 m^2/s^2 ave: 3.1 10^-3 m/s^2 rel: 0.54 Storm rel vorticity (0-3000m) horiz: 2.5 stream: 1.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.99 Bulk Shear: 11.11 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 ------------------------------------------------------------------------------- 500 344 3 185 6| 0.0 5.6 5.6| 2.5 0.0 2.5 5.1 0.34| 5.7 1.9 1000 339 5 201 4| 0.0 4.4 4.4| 5.2 0.0 5.2 5.2 0.56| 4.5 2.5 1500 336 6 221 4| 0.0 3.6 3.6| 6.9 0.0 6.9 4.6 0.59| 3.8 2.2 2000 332 8 242 4| 0.0 3.3 3.3| 8.2 0.0 8.2 4.1 0.55| 3.4 1.9 2500 330 9 255 4| 0.0 2.7 2.7| 8.8 0.0 8.8 3.5 0.54| 2.9 1.6 3000 329 10 263 5| 0.0 2.4 2.4| 9.3 0.0 9.3 3.1 0.54| 2.5 1.4 4000 327 11 273 6| 0.0 1.9 1.9| 10.4 0.0 10.4 2.6 0.55| 2.0 1.1 5000 327 12 279 6| 0.2 1.5 1.7| 12.4 0.0 12.4 2.5 0.52| 1.8 1.0 6000 329 12 282 6| 0.5 1.3 1.7| 13.3 0.0 13.3 2.2 0.46| 1.9 0.8 Wrote GIF file: /home/apache/climate/data/raob//U4688/skewt/U4688.skewt.20251024.00.gif