UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011400.upa.cvt Date: 0000Z 14 JAN 26 Searching for U4688... Searching the city database file for: U4688 ... Date:0000Z 14 JAN 26 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 237 SFC 932 736 -32.7 -35.3 78 2.6 -32.9 260 1 245.3 245.4 244.9 245.9 0.20 2 925 789 -31.7 -34.7 75 3.0 -31.9 240 3 246.9 246.9 246.4 247.5 0.22 3 850 1404 -19.5 -22.7 76 3.2 -20.0 145 17 265.7 265.8 263.0 267.8 0.73 4 810 1765 -13.9 -17.1 77 3.2 -14.6 149 17 275.4 275.6 270.5 278.9 1.23 5 700 2857 -20.7 -23.7 77 3.0 -21.2 160 19 279.6 279.7 272.3 282.0 0.81 6 657 3324 -22.1 -25.0 77 2.9 -22.6 158 22 283.1 283.2 274.2 285.4 0.76 7 585 4166 -28.9 -31.9 75 3.0 -29.2 155 28 284.7 284.8 274.6 286.1 0.45 8 528 4895 -31.1 -34.1 75 3.0 -31.4 152 32 290.6 290.6 277.6 291.9 0.40 9 500 5280 -33.1 -36.0 75 2.9 -33.4 150 35 292.7 292.7 278.6 293.8 0.35 10 400 6820 -43.3 -46.0 75 2.7 -43.4 145 40 298.7 298.7 281.0 299.3 0.15 11 364 7447 -46.9 -49.5 75 2.6 -47.0 135 38 302.1 302.1 282.4 302.5 0.11 12 329 8104 -53.5 -56.2 72 2.7 -53.5 125 37 301.9 301.9 282.2 302.1 0.06 13 300 8690 -57.5 -60.0 73 2.5 -57.5 115 35 304.3 304.3 283.2 304.4 0.04 14 250 9820 -64.9 -67.8 67 2.9 -64.9 140 35 309.6 309.6 285.2 309.6 0.02 15 226 10434 -69.7 -72.6 66 2.9 -69.7 140 33 311.3 311.3 285.8 311.3 0.01 16 205 11020 -69.9 -72.8 66 2.9 -69.9 136 42 319.8 319.8 288.7 319.8 0.01 17 200 11170 -65.1 -68.0 67 2.9 -65.1 135 44 329.7 329.7 291.6 329.7 0.02 18 179 11848 -61.7 -64.4 70 2.7 -61.7 143 41 345.9 345.9 295.7 346.0 0.04 19 150 12930 -64.3 -67.1 68 2.8 -64.3 155 35 359.3 359.3 298.6 359.4 0.03 20 147 13054 -64.5 -67.4 67 2.9 -64.6 156 35 361.0 361.1 299.0 361.2 0.03 21 138 13447 -58.9 -61.7 70 2.8 -59.0 159 36 377.5 377.5 301.9 377.8 0.07 22 124 14119 -60.7 -63.5 69 2.8 -60.8 164 37 386.0 386.0 303.2 386.2 0.06 23 100 15470 -58.3 -61.0 71 2.7 -58.4 175 40 415.1 415.1 307.2 415.6 0.10 24 82 16738 -53.3 -56.1 71 2.8 -53.5 181 51 449.5 449.6 310.9 450.8 0.23 25 79 16982 -48.5 -51.4 72 2.9 -48.8 182 53 464.3 464.4 312.4 466.7 0.43 26 70 17780 -48.5 -51.4 72 2.9 -48.9 185 60 480.6 480.8 313.7 483.4 0.48 27 60 18792 -48.7 -51.6 72 2.9 -49.1 185 64 501.8 502.0 315.3 505.1 0.55 28 53 19612 -45.1 -48.1 72 3.0 -45.8 185 67 528.3 528.6 317.2 534.1 0.93 29 50 20000 -46.1 -49.0 72 2.9 -46.7 185 69 534.8 535.1 317.5 540.5 0.89 30 41 21306 -49.7 -52.7 71 3.0 -50.3 191 71 557.1 557.3 318.8 561.8 0.70 31 32 22947 -43.5 -46.6 71 3.1 -44.6 198 72 614.6 615.3 321.8 627.8 1.82 32 30 23380 -44.3 -47.4 71 3.1 -45.4 200 73 623.9 624.5 322.2 637.0 1.77 33 24 24879 -45.7 -48.8 71 3.1 -46.9 200 65 660.9 661.7 323.6 675.9 1.89 34 21 25779 -42.5 -45.5 72 3.0 -43.9 200 60 696.3 697.6 325.1 722.2 3.13 35 20 26110 -43.1 -46.2 71 3.1 -44.6 200 58 704.3 705.6 325.4 729.8 3.04 36 13 28990 -46.7 -49.6 72 2.9 -48.1 784.1 785.6 327.6 814.5 3.20 37 10 30744 -43.1 -46.3 71 3.2 -45.2 858.7 861.8 329.8 921.8 6.05 TRP 226 10434 -69.7 -72.6 66 2.9 -69.7 140 33 311.3 311.3 285.8 311.3 0.01 WND Sounding variables and indices 1000-500 mb thick: 5043.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.18 inches Sfc-500 mean rel hum: 75.99 % Est. max temperature: -2.28 C = 27.90 F Sfc-Lift cond lev (LCL): 891.58 mb = 1056.65 m = 3466.66 ft T: -26.39 C 700-500 lapse rate: 5.12 C/km Conv cond level (CCL): 932.00 mb = 735.53 m = 2413.13 ft Mean mixing ratio: 0.52 g/kg Conv temperature: -25.38 C = -13.69 F Cap Strength: 26.18 C Lifted Index: 27.47 C Risk: None Lifted Index @300 mb: 31.92 C Lifted Index @700 mb: 18.83 C Showalter Index: 20.55 C Risk: None Total Totals Index: 24.00 C Risk: None Vertical Totals Index: 13.60 C Cross Totals Index: 10.40 C K Index: -12.10 Risk: None Sweat Index: 69.00 Risk: None Energy Index: 5.56 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 83.28 J/kg Max Up Vert Vel: 12.91 m/s Conv Inhibition (B-): 67598.04 J/kg Cap Strength: 27.04 C Lift Cond Lev (LCL): 859.50 mb = 1323.12 m = 4340.89 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 181 at 19 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 ---------------------------------------------------------- 0 932 736 260 1 1.0 0.2 | 358 19 0.6 -19.0 1 925 789 240 3 2.6 1.5 | 353 18 2.2 -17.7 2 850 1404 145 17 -9.8 13.9 | 63 11 -10.2 -5.2 3 700 2857 160 19 -6.5 17.9 | 79 7 -6.9 -1.3 4 500 5280 150 35 -17.5 30.3 | 122 21 -17.9 11.1 5 400 6820 145 40 -22.9 32.8 | 120 27 -23.4 13.6 6 300 8690 115 35 -31.7 14.8 | 82 32 -32.1 -4.4 7 250 9820 140 35 -22.5 26.8 | 108 24 -22.9 7.6 8 226 10434 140 33 -21.2 25.3 | 106 22 -21.6 6.1 9 200 11170 135 44 -31.1 31.1 | 111 34 -31.5 12.0 10 150 12930 155 35 -14.8 31.7 | 130 20 -15.2 12.6 11 100 15470 175 40 -3.5 39.8 | 169 21 -3.9 20.7 12 70 17780 185 60 5.2 59.8 | 187 41 4.8 40.6 13 50 20000 185 69 6.0 68.7 | 186 50 5.6 49.6 14 30 23380 200 73 25.0 68.6 | 206 55 24.5 49.4 15 20 26110 200 58 19.8 54.5 | 209 40 19.4 35.3 Wind Parameters Mean winds (0-6000m): 151.3 at 25.6 knts Storm direction: 181.3 at 19.2 knts Shear (0-3000m) pos: 0.6 neg: 4.1 tot: 4.7 10-3/s Storm rel Dir Shear (0-3000m): 110.6 deg Storm rel helicity (0-3000m) pos: 38.9 neg: -16.6 tot: 22.3 m^2/s^2 ave: 7.4 10^-3 m/s^2 rel: 0.40 Storm rel vorticity (0-3000m) horiz: 6.0 stream: 2.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.62 Bulk Shear: 51.44 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 ------------------------------------------------------------------------------- 500 184 7 360 12| 0.0 13.6 13.6| 10.6 -16.6 -6.0 -12.0 0.09| 16.8 1.4 1000 152 12 34 11| 0.0 9.2 9.2| 24.2 -16.6 7.7 7.7 0.31| 13.0 4.0 1500 151 14 45 10| 0.6 6.1 6.7| 26.5 -16.6 10.0 6.6 0.32| 9.2 3.0 2000 153 15 51 9| 0.9 4.6 5.5| 28.5 -16.6 11.9 6.0 0.33| 7.4 2.5 2500 155 16 57 9| 0.7 4.2 4.9| 33.4 -16.6 16.8 6.7 0.38| 6.5 2.5 3000 155 17 64 8| 0.6 4.1 4.7| 38.9 -16.6 22.3 7.4 0.40| 6.0 2.4 4000 155 20 82 9| 0.5 3.9 4.4| 48.1 -16.6 31.5 7.9 0.40| 5.4 2.2 5000 153 23 96 11| 0.4 3.7 4.1| 51.4 -17.3 34.2 6.8 0.36| 4.9 1.8 6000 151 26 104 13| 0.3 3.4 3.7| 51.4 -20.7 30.7 5.1 0.33| 4.4 1.4 Wrote GIF file: /home/apache/climate/data/raob//U4688/skewt/U4688.skewt.20260114.00.gif