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 U4641... Searching the city database file for: U4641 ... Date:0000Z 13 OCT 25 Station: U4641 WMO ident: 24641 Latitude: 63.77 Longitude: 121.62 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1011 115 -7.3 -8.4 92 1.1 -7.6 315 1 265.0 265.3 264.9 270.4 2.00 1 1000 200 -8.9 -11.1 84 2.2 -9.5 320 3 264.2 264.5 263.7 268.7 1.63 2 946 622 -12.3 -14.2 86 1.9 -12.8 320 7 265.0 265.2 263.7 268.7 1.34 3 944 638 -10.9 -12.9 85 2.0 -11.4 320 7 266.6 266.9 265.1 270.7 1.50 4 942 654 -12.1 -14.1 85 2.0 -12.6 320 8 265.5 265.8 264.1 269.3 1.36 5 925 792 -12.7 -14.9 84 2.2 -13.2 320 9 266.3 266.5 264.6 269.9 1.30 6 922 817 -12.7 -14.9 84 2.2 -13.2 322 9 266.6 266.8 264.7 270.2 1.30 7 916 867 -9.3 -11.6 83 2.3 -9.9 326 9 270.6 270.8 268.2 275.3 1.71 8 899 1012 -9.5 -11.0 89 1.5 -9.9 337 8 271.8 272.1 269.2 276.9 1.83 9 850 1445 -9.7 -15.7 62 6.0 -11.2 10 7 276.0 276.2 271.0 279.8 1.32 10 824 1685 -9.9 -16.9 57 7.0 -11.6 16 9 278.2 278.4 272.2 281.8 1.23 11 772 2189 -8.9 -20.9 37 12.0 -11.7 30 12 284.5 284.7 275.3 287.4 0.94 12 744 2474 -9.5 -24.5 28 15.0 -12.7 37 14 286.9 287.0 276.2 289.1 0.71 13 700 2944 -10.9 -23.9 33 13.0 -13.7 50 17 290.4 290.6 278.1 292.9 0.79 14 697 2977 -11.1 -24.1 33 13.0 -13.9 50 17 290.5 290.7 278.2 293.0 0.78 15 607 4019 -19.1 -30.1 37 11.0 -20.8 50 18 293.0 293.1 279.0 294.7 0.52 16 520 5156 -24.3 -40.3 21 16.0 -26.0 50 19 300.0 300.1 281.7 300.8 0.22 17 500 5440 -26.9 -42.9 21 16.0 -28.4 50 19 300.2 300.3 281.7 300.8 0.17 18 418 6714 -35.3 -52.3 16 17.0 -36.2 26 16 305.2 305.3 283.6 305.5 0.07 19 400 7020 -38.1 -55.1 15 17.0 -38.8 20 15 305.5 305.5 283.7 305.7 0.05 20 300 8930 -53.7 -68.7 14 15.0 -53.9 10 15 309.7 309.7 285.2 309.7 0.01 21 274 9507 -58.5 -73.5 13 15.0 -58.6 42 11 310.8 310.8 285.7 310.9 0.01 22 250 10080 -61.5 -75.5 14 14.0 -61.6 75 7 314.6 314.6 286.9 314.7 0.01 23 237 10408 -63.3 -77.3 13 14.0 -63.4 150 3 316.8 316.8 287.7 316.8 0.00 24 222 10811 -60.3 -74.3 14 14.0 -60.4 133 9 327.4 327.4 291.0 327.4 0.01 25 212 11096 -61.1 -74.1 16 13.0 -61.2 120 14 330.5 330.5 291.9 330.5 0.01 26 200 11460 -57.1 -70.1 18 13.0 -57.3 105 19 342.3 342.3 294.9 342.4 0.02 27 195 11621 -56.3 -69.3 18 13.0 -56.5 104 19 346.1 346.1 295.8 346.2 0.02 28 186 11921 -58.1 -71.1 17 13.0 -58.3 102 18 347.9 347.9 296.2 348.0 0.01 29 150 13290 -55.1 -70.1 14 15.0 -55.4 95 15 375.1 375.1 301.5 375.2 0.02 30 132 14105 -53.9 -70.9 11 17.0 -54.3 92 14 391.3 391.3 304.0 391.3 0.02 31 100 15880 -53.9 -73.9 7 20.0 -54.5 85 13 423.6 423.6 308.2 423.7 0.02 32 70 18170 -54.1 -76.1 5 22.0 -54.9 125 9 468.6 468.7 312.5 468.7 0.02 33 50 20340 -53.1 -77.1 4 24.0 -54.3 140 7 518.3 518.3 316.2 518.5 0.02 34 45 21020 -53.3 -77.3 4 24.0 -54.6 149 9 533.7 533.7 317.2 533.9 0.02 35 44 21165 -50.9 -74.9 4 24.0 -52.6 151 9 543.0 543.0 317.7 543.2 0.03 36 35 22653 -51.9 -75.9 4 24.0 -53.8 171 13 577.1 577.2 319.5 577.4 0.04 37 30 23660 -48.7 -73.7 4 25.0 -51.5 185 15 611.9 611.9 321.2 612.3 0.06 38 29 23883 -47.9 -73.9 3 26.0 -51.0 186 17 620.0 620.1 321.5 620.5 0.06 39 25 24855 -50.1 -75.1 4 25.0 -52.9 189 23 640.6 640.6 322.3 641.1 0.06 40 20 26320 -47.3 -73.3 4 26.0 -51.5 195 33 691.4 691.4 324.2 692.2 0.09 41 16 27812 -42.5 -69.5 4 27.0 -49.2 752.6 752.7 326.1 754.5 0.21 42 11 30340 -43.1 -69.1 4 26.0 -51.0 835.6 835.7 328.1 838.9 0.32 TRP 237 10408 -63.3 -77.3 13 14.0 -63.4 150 3 316.8 316.8 287.7 316.8 0.00 WND Sounding variables and indices 1000-500 mb thick: 5240.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.21 inches Sfc-500 mean rel hum: 46.25 % Est. max temperature: 2.73 C = 36.92 F Sfc-Lift cond lev (LCL): 993.27 mb = 251.34 m = 824.58 ft T: -9.31 C 700-500 lapse rate: 6.41 C/km ThetaE index: 1.72 C Layer 1000.0- 946.0 mb Conv cond level (CCL): 618.87 mb = 3873.35 m = 12707.68 ft Mean mixing ratio: 1.50 g/kg Conv temperature: 20.47 C = 68.85 F Cap Strength: 25.43 C Lifted Index: 25.29 C Risk: None Lifted Index @300 mb: 28.37 C Lifted Index @700 mb: 19.90 C Showalter Index: 17.20 C Risk: None Total Totals Index: 28.40 C Risk: None Vertical Totals Index: 17.20 C Cross Totals Index: 11.20 C K Index: -11.50 Risk: None Sweat Index: 33.00 Risk: None Energy Index: 4.50 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.02 J/kg Max Up Vert Vel: 5.83 m/s Conv Inhibition (B-): 64776.07 J/kg Cap Strength: 25.44 C Lift Cond Lev (LCL): 929.67 mb = 753.91 m = 2473.44 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 71 at 11 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 1011 115 315 1 0.7 -0.7 | 255 11 10.7 2.8 1 1000 200 320 3 1.9 -2.3 | 264 12 11.9 1.2 2 925 792 320 9 5.8 -6.9 | 282 16 15.7 -3.4 3 850 1445 10 7 -1.2 -6.9 | 291 9 8.7 -3.4 4 700 2944 50 17 -13.0 -10.9 | 22 8 -3.1 -7.4 5 500 5440 50 19 -14.6 -12.2 | 28 10 -4.6 -8.7 6 400 7020 20 15 -5.1 -14.1 | 335 12 4.8 -10.6 7 300 8930 10 15 -2.6 -14.8 | 327 13 7.4 -11.3 8 250 10080 75 7 -6.8 -1.8 | 242 4 3.2 1.7 9 237 10408 150 3 -1.5 2.6 | 234 10 8.5 6.1 10 200 11460 105 19 -18.4 4.9 | 135 12 -8.4 8.4 11 150 13290 95 15 -14.9 1.3 | 134 7 -5.0 4.8 12 100 15880 85 13 -13.0 -1.1 | 129 4 -3.0 2.4 13 70 18170 125 9 -7.4 5.2 | 197 9 2.6 8.7 14 50 20340 140 7 -4.5 5.4 | 212 10 5.5 8.9 15 30 23660 185 15 1.3 14.9 | 211 22 11.3 18.5 16 20 26320 195 33 8.5 31.9 | 208 40 18.5 35.4 Wind Parameters Mean winds (0-6000m): 40.6 at 14.1 knts Storm direction: 70.6 at 10.6 knts Shear (0-3000m) pos: 3.0 neg: 0.0 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 127.6 deg Storm rel helicity (0-3000m) pos: 57.3 neg: -0.0 tot: 57.3 m^2/s^2 ave: 19.1 10^-3 m/s^2 rel: 0.76 Storm rel vorticity (0-3000m) horiz: 4.8 stream: 3.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.65 Bulk Shear: 26.25 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 ------------------------------------------------------------------------------- 500 320 5 270 13| 6.4 0.0 6.4| 16.4 0.0 16.4 32.8 0.79| 6.4 5.1 1000 325 6 277 14| 3.7 0.0 3.7| 28.1 0.0 28.1 28.1 0.69| 5.9 4.1 1500 337 7 282 13| 2.6 0.0 2.6| 32.4 -0.0 32.4 21.6 0.59| 5.5 3.3 2000 352 8 290 12| 2.9 0.0 2.9| 41.3 -0.0 41.2 20.6 0.67| 5.2 3.5 2500 8 9 300 10| 3.0 0.0 3.0| 50.5 -0.0 50.5 20.2 0.73| 5.1 3.7 3000 21 10 312 9| 3.0 0.0 3.0| 57.3 -0.0 57.3 19.1 0.76| 4.8 3.6 4000 33 12 331 7| 2.2 0.1 2.3| 58.1 -0.0 58.1 14.5 0.75| 3.7 2.8 5000 39 13 346 7| 1.8 0.2 1.9| 58.9 -0.0 58.9 11.8 0.74| 3.1 2.3 6000 41 14 354 7| 1.5 0.3 1.8| 59.1 -11.5 47.6 7.9 0.52| 2.9 1.5 Wrote GIF file: /home/apache/climate/data/raob//U4641/skewt/U4641.skewt.20251013.00.gif