UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101300.upa.cvt Date: 0000Z 13 OCT 25 Searching for U4688... Searching the city database file for: U4688 ... Date:0000Z 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 192 SFC 930 742 -16.7 -21.0 69 4.3 -17.4 0 0 261.8 262.0 260.2 264.0 0.77 2 925 783 -16.7 -20.5 72 3.8 -17.3 355 0 262.2 262.4 260.6 264.5 0.81 3 901 979 -13.9 -17.1 77 3.2 -14.6 336 0 267.1 267.3 264.8 270.2 1.11 4 862 1311 -12.7 -15.7 78 3.0 -13.4 305 1 271.7 272.0 268.3 275.4 1.30 5 850 1416 -13.1 -16.4 76 3.3 -13.9 295 1 272.4 272.6 268.6 276.0 1.25 6 761 2254 -15.3 -18.0 80 2.7 -15.9 3 7 278.8 279.0 272.5 282.4 1.22 7 710 2778 -14.5 -27.5 32 13.0 -16.8 46 10 285.3 285.4 275.1 287.0 0.56 8 700 2885 -14.9 -27.9 32 13.0 -17.1 55 11 286.0 286.1 275.5 287.7 0.55 9 662 3306 -17.3 -32.3 26 15.0 -19.5 44 12 287.9 288.0 276.2 289.1 0.38 10 570 4422 -20.5 -43.5 11 23.0 -22.9 15 15 296.7 296.7 280.1 297.2 0.14 11 568 4448 -20.5 -43.5 11 23.0 -22.9 15 15 297.0 297.0 280.3 297.5 0.14 12 500 5380 -27.5 -37.5 38 10.0 -28.6 350 17 299.5 299.6 281.5 300.5 0.30 13 451 6114 -32.9 -40.9 45 8.0 -33.6 355 16 301.7 301.7 282.4 302.5 0.24 14 400 6950 -37.7 -44.7 48 7.0 -38.2 360 15 306.0 306.0 284.0 306.6 0.18 15 381 7283 -39.1 -45.1 53 6.0 -39.5 356 17 308.4 308.5 284.9 309.1 0.18 16 364 7594 -40.7 -47.7 47 7.0 -41.1 352 18 310.4 310.4 285.7 310.9 0.14 17 300 8880 -49.9 -60.9 26 11.0 -50.1 335 25 315.0 315.0 287.1 315.2 0.04 18 296 8968 -50.9 -61.9 26 11.0 -51.1 335 25 314.8 314.8 287.1 314.9 0.03 19 272 9519 -54.9 -65.9 24 11.0 -55.1 335 26 316.7 316.7 287.7 316.8 0.02 20 250 10060 -57.7 -68.7 23 11.0 -57.8 335 27 320.3 320.3 288.8 320.3 0.01 21 222 10802 -61.7 -72.7 22 11.0 -61.8 345 19 325.2 325.2 290.3 325.2 0.01 22 217 10943 -61.9 -72.9 22 11.0 -62.0 347 19 327.0 327.0 290.9 327.1 0.01 23 200 11450 -60.3 -70.3 26 10.0 -60.4 355 19 337.3 337.3 293.7 337.3 0.01 24 173 12361 -55.3 -66.3 24 11.0 -55.5 18 15 359.8 359.8 298.7 359.9 0.03 25 150 13270 -54.7 -67.7 19 13.0 -55.0 40 11 375.8 375.8 301.6 376.0 0.03 26 100 15890 -51.7 -70.7 9 19.0 -52.4 50 5 427.8 427.8 308.6 428.0 0.03 27 70 18210 -50.5 -74.5 4 24.0 -51.7 145 5 476.3 476.4 313.2 476.5 0.02 28 50 20410 -50.3 -75.3 4 25.0 -51.9 165 7 524.9 524.9 316.6 525.1 0.03 29 44 21250 -48.3 -74.3 3 26.0 -50.5 170 7 549.4 549.4 318.1 549.6 0.04 30 36 22565 -50.9 -75.9 4 25.0 -52.9 178 7 575.1 575.1 319.5 575.3 0.04 31 30 23760 -48.5 -73.5 4 25.0 -51.4 185 7 612.4 612.4 321.2 612.9 0.06 32 21 26101 -51.1 -76.1 4 25.0 -54.1 181 11 670.3 670.4 323.4 670.8 0.06 33 20 26420 -49.5 -74.5 4 25.0 -53.0 180 11 684.7 684.7 324.0 685.3 0.08 34 18 27115 -47.1 -73.1 4 26.0 -51.7 183 11 713.2 713.2 324.8 714.1 0.11 35 12 29802 -47.1 -73.1 4 26.0 -52.9 195 11 800.9 800.9 327.3 802.5 0.16 36 10 31020 -43.3 -69.3 4 26.0 -51.4 200 11 857.9 858.1 328.7 861.5 0.34 37 9.6 31295 -42.7 -69.7 4 27.0 -51.4 870.3 870.4 328.9 873.9 0.33 38 8.2 32352 -45.7 -71.7 4 26.0 -53.5 898.5 898.7 329.5 901.8 0.29 39 7.2 33222 -44.1 -70.1 4 26.0 -53.2 939.1 939.4 330.2 944.0 0.42 40 6.3 34108 -49.1 -74.1 4 25.0 -56.3 954.4 954.6 330.5 957.5 0.27 TRP 222 10802 -61.7 -72.7 22 11.0 -61.8 345 19 325.2 325.2 290.3 325.2 0.01 WND Sounding variables and indices 1000-500 mb thick: 5188.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.14 inches Sfc-500 mean rel hum: 44.06 % Est. max temperature: -1.48 C = 29.33 F Sfc-Lift cond lev (LCL): 866.81 mb = 1268.89 m = 4162.98 ft T: -12.85 C 700-500 lapse rate: 5.05 C/km Conv cond level (CCL): 930.00 mb = 742.15 m = 2434.84 ft Mean mixing ratio: 1.15 g/kg Conv temperature: -16.35 C = 2.57 F Cap Strength: 21.49 C Lifted Index: 22.52 C Risk: None Lifted Index @300 mb: 30.30 C Lifted Index @700 mb: 13.73 C Showalter Index: 19.59 C Risk: None Total Totals Index: 25.50 C Risk: None Vertical Totals Index: 14.40 C Cross Totals Index: 11.10 C K Index: -15.00 Risk: None Sweat Index: 19.00 Risk: None Energy Index: 5.23 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 42.75 J/kg Max Up Vert Vel: 9.25 m/s Conv Inhibition (B-): 72448.23 J/kg Cap Strength: 22.48 C Lift Cond Lev (LCL): 834.49 mb = 1555.45 m = 5103.12 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 41 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 ---------------------------------------------------------- 0 930 742 0 0 -0.0 -0.0 | 221 8 5.4 6.3 1 925 783 355 0 0.0 -0.0 | 221 8 5.4 6.3 2 850 1416 295 1 0.9 -0.4 | 227 9 6.3 5.9 3 700 2885 55 11 -9.0 -6.3 | 90 4 -3.6 -0.0 4 500 5380 350 17 3.0 -16.7 | 321 13 8.4 -10.5 5 400 6950 360 15 -0.0 -15.0 | 328 10 5.4 -8.7 6 300 8880 335 25 10.6 -22.7 | 316 23 16.0 -16.4 7 250 10060 335 27 11.4 -24.5 | 317 25 16.8 -18.2 8 222 10802 345 19 4.9 -18.4 | 319 16 10.4 -12.1 9 200 11450 355 19 1.7 -18.9 | 331 14 7.1 -12.6 10 150 13270 40 11 -7.1 -8.4 | 37 3 -1.6 -2.1 11 100 15890 50 5 -3.8 -3.2 | 208 3 1.6 3.1 12 70 18210 145 5 -2.9 4.1 | 194 11 2.6 10.4 13 50 20410 165 7 -1.8 6.8 | 196 14 3.6 13.1 14 30 23760 185 7 0.6 7.0 | 205 15 6.0 13.3 15 20 26420 180 11 0.0 11.0 | 197 18 5.4 17.3 16 10 31020 200 11 3.8 10.3 | 209 19 9.2 16.6 Wind Parameters Mean winds (0-6000m): 10.8 at 11.1 knts Storm direction: 40.8 at 8.3 knts Shear (0-3000m) pos: 2.0 neg: 0.6 tot: 2.7 10-3/s Storm rel Dir Shear (0-3000m): 158.1 deg Storm rel helicity (0-3000m) pos: 18.1 neg: -4.7 tot: 13.5 m^2/s^2 ave: 4.5 10^-3 m/s^2 rel: 0.40 Storm rel vorticity (0-3000m) horiz: 3.9 stream: 1.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.71 Bulk Shear: 15.78 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 ------------------------------------------------------------------------------- 500 311 0 223 8| 0.0 0.7 0.7| 1.6 0.0 1.6 3.1 0.91| 0.8 0.7 1000 309 1 227 8| 1.3 0.4 1.7| 7.4 0.0 7.4 7.4 0.93| 1.8 1.7 1500 350 2 235 7| 2.1 0.2 2.4| 14.2 0.0 14.2 9.5 0.82| 2.9 2.4 2000 35 4 226 5| 2.6 0.2 2.8| 17.4 0.0 17.4 8.7 0.79| 4.0 3.1 2500 49 5 208 3| 2.5 0.1 2.6| 18.1 -1.6 16.5 6.6 0.60| 4.0 2.4 3000 45 6 207 2| 2.0 0.6 2.7| 18.1 -4.7 13.5 4.5 0.40| 3.9 1.5 4000 32 8 308 1| 1.5 1.3 2.9| 18.1 -14.1 4.0 1.0 0.14| 3.8 0.5 5000 17 10 323 4| 1.2 1.5 2.7| 19.2 -24.3 -5.1 -1.0 0.03| 3.6 0.1 6000 11 11 324 6| 1.1 1.2 2.3| 21.9 -24.3 -2.4 -0.4 0.05| 3.2 0.2 Wrote GIF file: /home/apache/climate/data/raob//U4688/skewt/U4688.skewt.20251013.00.gif