UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100800.upa.cvt Date: 0000Z 8 OCT 25 Searching for U4688... Searching the city database file for: U4688 ... Date:0000Z 8 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 173 SFC 929 740 -13.1 -18.0 67 4.9 -14.1 290 5 265.6 265.7 263.4 268.4 1.00 2 925 773 -13.1 -20.1 56 7.0 -14.4 290 5 265.9 266.0 263.4 268.3 0.84 3 876 1185 -17.1 -23.1 60 6.0 -18.0 354 5 265.9 266.0 263.1 267.9 0.68 4 862 1306 -16.1 -22.1 60 6.0 -17.1 13 5 268.2 268.3 264.9 270.4 0.75 5 850 1412 -16.9 -21.9 65 5.0 -17.7 30 5 268.4 268.6 265.1 270.7 0.78 6 700 2848 -22.9 -27.9 64 5.0 -23.6 65 15 277.1 277.2 270.4 278.8 0.55 7 661 3264 -25.1 -30.1 63 5.0 -25.7 62 15 279.2 279.3 271.5 280.7 0.47 8 500 5230 -38.1 -43.1 59 5.0 -38.4 50 15 286.6 286.6 275.2 287.1 0.17 9 428 6289 -45.5 -50.5 57 5.0 -45.7 74 12 290.2 290.2 276.9 290.5 0.09 10 400 6740 -47.5 -53.5 50 6.0 -47.7 85 11 293.3 293.3 278.4 293.5 0.07 11 363 7378 -50.3 -56.3 49 6.0 -50.4 104 14 297.8 297.8 280.4 298.0 0.05 12 346 7689 -53.5 -59.5 48 6.0 -53.6 113 16 297.5 297.6 280.3 297.7 0.04 13 310 8392 -56.3 -62.3 47 6.0 -56.4 135 19 303.1 303.1 282.7 303.2 0.03 14 303 8537 -56.5 -62.5 47 6.0 -56.6 132 16 304.8 304.8 283.4 304.9 0.03 15 300 8600 -56.1 -62.1 47 6.0 -56.2 130 15 306.3 306.3 284.0 306.4 0.03 16 250 9770 -51.5 -59.5 38 8.0 -51.7 115 11 329.5 329.5 291.6 329.7 0.05 17 212 10847 -48.7 -60.7 24 12.0 -49.1 115 7 349.8 349.8 296.6 350.0 0.05 18 200 11230 -48.9 -61.9 21 13.0 -49.3 115 5 355.3 355.3 297.8 355.5 0.05 19 150 13120 -48.7 -69.7 7 21.0 -49.4 130 5 386.2 386.2 303.2 386.3 0.02 20 101 15715 -48.5 -73.5 4 25.0 -49.6 198 3 432.8 432.8 309.1 432.9 0.02 21 100 15780 -48.3 -74.3 3 26.0 -49.4 200 3 434.4 434.4 309.3 434.5 0.02 22 70 18120 -49.3 -74.3 4 25.0 -50.6 230 9 478.9 478.9 313.4 479.1 0.02 23 57 19468 -50.9 -75.9 4 25.0 -52.2 218 13 504.3 504.3 315.2 504.4 0.02 24 50 20330 -47.9 -73.9 3 26.0 -49.9 210 15 530.6 530.6 317.0 530.8 0.03 25 41 21649 -44.7 -70.7 4 26.0 -47.8 569.6 569.6 319.2 570.0 0.07 26 31 23518 -45.1 -71.1 4 26.0 -48.8 615.9 615.9 321.3 616.5 0.08 TRP 310 8392 -56.3 -62.3 47 6.0 -56.4 135 19 303.1 303.1 282.7 303.2 0.03 WND Sounding variables and indices 1000-500 mb thick: 5057.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.10 inches Sfc-500 mean rel hum: 62.05 % Est. max temperature: -6.50 C = 20.30 F Sfc-Lift cond lev (LCL): 858.06 mb = 1340.94 m = 4399.36 ft T: -16.36 C 700-500 lapse rate: 6.38 C/km ThetaE index: 0.50 C Layer 925.0- 862.0 mb Conv cond level (CCL): 663.44 mb = 3237.42 m = 10621.34 ft Mean mixing ratio: 0.76 g/kg Conv temperature: 0.13 C = 32.23 F Cap Strength: 9.68 C Lifted Index: 14.41 C Risk: None Lifted Index @300 mb: 26.26 C Lifted Index @700 mb: 8.25 C Showalter Index: 13.24 C Risk: None Total Totals Index: 37.40 C Risk: None Vertical Totals Index: 21.20 C Cross Totals Index: 16.20 C K Index: -5.70 Risk: None Sweat Index: 25.00 Risk: None Energy Index: 3.46 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 18.70 J/kg Max Up Vert Vel: 6.12 m/s Conv Inhibition (B-): 49301.37 J/kg Cap Strength: 14.21 C Lift Cond Lev (LCL): 796.66 mb = 1891.35 m = 6205.16 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 88 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 ---------------------------------------------------------- 0 929 740 290 5 4.7 -1.7 | 276 14 13.9 -1.3 1 925 773 290 5 4.7 -1.7 | 276 14 13.9 -1.3 2 850 1412 30 5 -2.5 -4.3 | 301 8 6.7 -4.0 3 700 2848 65 15 -13.6 -6.3 | 36 7 -4.4 -6.0 4 500 5230 50 15 -11.5 -9.6 | 14 10 -2.3 -9.3 5 400 6740 85 11 -11.0 -1.0 | 72 2 -1.8 -0.6 6 310 8392 135 19 -13.4 13.4 | 163 14 -4.2 13.8 7 300 8600 130 15 -11.5 9.6 | 167 10 -2.3 10.0 8 250 9770 115 11 -10.0 4.6 | 171 5 -0.8 5.0 9 200 11230 115 5 -4.5 2.1 | 242 5 4.7 2.5 10 150 13120 130 5 -3.8 3.2 | 236 6 5.4 3.6 11 100 15780 200 3 1.0 2.8 | 253 11 10.2 3.2 12 70 18120 230 9 6.9 5.8 | 249 17 16.1 6.2 13 50 20330 210 15 7.5 13.0 | 231 21 16.7 13.4 Wind Parameters Mean winds (0-6000m): 57.7 at 12.3 knts Storm direction: 87.7 at 9.2 knts Shear (0-3000m) pos: 3.2 neg: 0.1 tot: 3.4 10-3/s Storm rel Dir Shear (0-3000m): 111.6 deg Storm rel helicity (0-3000m) pos: 38.3 neg: -2.5 tot: 35.8 m^2/s^2 ave: 11.9 10^-3 m/s^2 rel: 0.72 Storm rel vorticity (0-3000m) horiz: 3.7 stream: 2.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.77 Bulk Shear: 24.33 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 ------------------------------------------------------------------------------- 500 324 5 287 13| 6.1 0.0 6.1| 15.8 0.0 15.8 31.7 0.75| 6.5 4.9 1000 4 5 299 10| 5.2 0.0 5.2| 21.8 0.0 21.8 21.8 0.69| 5.7 3.9 1500 28 7 312 8| 4.8 0.0 4.8| 28.8 0.0 28.8 19.2 0.77| 5.2 4.0 2000 45 8 327 6| 4.6 0.0 4.6| 36.6 0.0 36.6 18.3 0.82| 5.0 4.1 2500 52 9 342 6| 3.9 0.0 3.9| 38.3 -1.0 37.3 14.9 0.78| 4.3 3.4 3000 55 10 352 6| 3.2 0.1 3.4| 38.3 -2.5 35.8 11.9 0.72| 3.7 2.7 4000 55 12 3 6| 2.4 0.3 2.7| 38.3 -5.6 32.7 8.2 0.61| 3.0 1.8 5000 55 12 7 7| 1.9 0.3 2.2| 41.6 -7.1 34.4 6.9 0.55| 2.8 1.6 6000 58 12 11 6| 1.5 0.3 1.8| 44.6 -7.1 37.5 6.3 0.55| 2.8 1.5 Wrote GIF file: /home/apache/climate/data/raob//U4688/skewt/U4688.skewt.20251008.00.gif