UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011700.upa.cvt Date: 0000Z 17 JAN 26 Searching for U4688... Searching the city database file for: U4688 ... Date:0000Z 17 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 305 SFC 940 742 -34.3 -36.9 77 2.6 -34.4 50 1 243.1 243.1 242.8 243.6 0.17 2 925 856 -32.5 -35.8 72 3.3 -32.7 90 1 246.1 246.1 245.6 246.6 0.19 3 914 941 -31.5 -34.8 73 3.3 -31.7 99 1 247.9 248.0 247.3 248.5 0.22 4 891 1121 -32.9 -36.3 72 3.4 -33.1 119 2 248.3 248.3 247.6 248.9 0.19 5 850 1458 -25.9 -29.2 74 3.3 -26.2 155 3 259.0 259.1 257.2 260.1 0.40 6 777 2122 -14.1 -17.4 76 3.3 -14.9 167 9 278.4 278.6 272.3 282.1 1.25 7 752 2369 -14.7 -18.0 76 3.3 -15.4 171 12 280.4 280.6 273.5 284.0 1.23 8 741 2480 -12.9 -16.1 77 3.2 -13.7 173 13 283.5 283.8 275.6 287.9 1.47 9 700 2912 -14.1 -17.3 77 3.2 -14.9 180 17 286.9 287.1 277.2 291.1 1.40 10 677 3165 -14.7 -17.9 77 3.2 -15.5 180 19 289.0 289.2 278.2 293.1 1.38 11 500 5380 -32.9 -35.9 74 3.0 -33.2 185 35 292.9 293.0 278.7 294.1 0.36 12 400 6910 -44.1 -47.2 71 3.1 -44.2 180 27 297.7 297.7 280.5 298.1 0.14 13 335 8070 -54.3 -57.5 68 3.2 -54.4 183 25 299.2 299.2 281.1 299.4 0.05 14 307 8625 -56.9 -59.9 69 3.0 -56.9 185 23 303.1 303.1 282.7 303.3 0.04 15 300 8770 -58.1 -61.2 67 3.1 -58.2 185 23 303.4 303.5 282.8 303.6 0.03 16 274 9338 -63.1 -66.3 65 3.2 -63.1 185 23 304.2 304.2 283.1 304.2 0.02 17 250 9900 -66.5 -69.6 65 3.1 -66.5 185 23 307.2 307.2 284.3 307.3 0.01 18 240 10146 -68.3 -71.5 63 3.2 -68.3 187 26 308.1 308.1 284.6 308.1 0.01 19 230 10401 -68.9 -72.2 62 3.3 -68.9 190 29 311.0 311.0 285.7 311.0 0.01 20 225 10533 -68.7 -72.0 62 3.3 -68.7 191 26 313.2 313.2 286.5 313.3 0.01 21 210 10951 -63.5 -66.8 64 3.3 -63.6 193 19 327.6 327.6 291.0 327.7 0.02 22 200 11250 -64.3 -67.6 64 3.3 -64.3 195 13 330.9 330.9 292.0 331.0 0.02 23 171 12211 -63.1 -66.3 65 3.2 -63.1 195 14 348.1 348.1 296.3 348.2 0.03 24 166 12396 -58.5 -61.9 65 3.4 -58.6 195 14 358.7 358.8 298.5 359.0 0.06 25 153 12913 -54.7 -58.1 66 3.4 -54.8 195 15 373.7 373.7 301.3 374.2 0.10 26 150 13040 -55.1 -58.5 66 3.4 -55.2 195 15 375.1 375.2 301.5 375.6 0.10 27 143 13345 -56.5 -59.7 67 3.2 -56.6 197 15 377.9 377.9 301.9 378.3 0.09 28 101 15594 -48.7 -52.2 67 3.5 -49.0 215 17 432.4 432.5 309.3 434.0 0.30 29 100 15660 -48.5 -52.0 67 3.5 -48.8 215 17 434.0 434.1 309.4 435.7 0.31 30 70 18010 -48.5 -52.0 67 3.5 -49.0 225 27 480.6 480.8 313.7 483.2 0.45 31 50 20220 -47.9 -51.4 67 3.5 -48.6 210 23 530.6 530.8 317.2 534.9 0.67 32 49 20354 -47.7 -51.1 68 3.4 -48.4 209 23 534.1 534.4 317.5 538.7 0.71 33 42 21366 -51.1 -54.4 68 3.3 -51.7 205 26 549.8 550.0 318.3 553.5 0.56 34 32 23147 -48.9 -52.5 66 3.6 -49.8 197 30 600.1 600.5 320.9 606.9 0.92 35 30 23570 -50.1 -53.6 66 3.5 -50.9 195 31 608.1 608.4 321.2 614.4 0.87 36 29 23790 -51.5 -54.9 67 3.4 -52.2 195 32 610.1 610.4 321.3 615.8 0.77 37 24 25029 -47.1 -51.3 62 4.2 -48.5 198 37 656.8 657.4 323.3 668.1 1.42 38 20 26220 -52.5 -57.4 55 4.9 -53.7 200 42 675.5 675.8 323.9 682.3 0.82 39 10 30761 -46.5 -54.5 40 8.0 -50.4 846.0 847.2 328.8 870.3 2.34 TRP 230 10401 -68.9 -72.2 62 3.3 -68.9 190 29 311.0 311.0 285.7 311.0 0.01 WND Sounding variables and indices 1000-500 mb thick: 5075.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.19 inches Sfc-500 mean rel hum: 75.21 % Est. max temperature: -3.19 C = 26.27 F Sfc-Lift cond lev (LCL): 899.04 mb = 1057.41 m = 3469.15 ft T: -32.41 C 700-500 lapse rate: 7.62 C/km ThetaE index: 0.00 C Layer 940.0- 0.0 mb Conv cond level (CCL): 940.00 mb = 742.01 m = 2434.37 ft Mean mixing ratio: 0.26 g/kg Conv temperature: -32.50 C = -26.50 F Cap Strength: 33.39 C Lifted Index: 33.70 C Risk: None Lifted Index @300 mb: 36.57 C Lifted Index @700 mb: 31.88 C Showalter Index: 26.96 C Risk: None Total Totals Index: 10.70 C Risk: None Vertical Totals Index: 7.00 C Cross Totals Index: 3.70 C K Index: -25.40 Risk: None Sweat Index: 41.00 Risk: None Energy Index: 7.44 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 64.62 J/kg Max Up Vert Vel: 11.37 m/s Conv Inhibition (B-): 71852.09 J/kg Cap Strength: 33.78 C Lift Cond Lev (LCL): 849.03 mb = 1466.48 m = 4811.21 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 212 at 15 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 ---------------------------------------------------------- 0 940 742 50 1 -0.8 -0.6 | 33 16 -9.0 -13.7 1 925 856 90 1 -1.0 0.0 | 35 16 -9.2 -13.1 2 850 1458 155 3 -1.3 2.7 | 42 14 -9.5 -10.4 3 700 2912 180 17 0.0 17.0 | 115 9 -8.2 3.9 4 500 5380 185 35 3.1 34.9 | 167 22 -5.1 21.8 5 400 6910 180 27 0.0 27.0 | 149 16 -8.2 13.9 6 300 8770 185 23 2.0 22.9 | 148 12 -6.2 9.8 7 250 9900 185 23 2.0 22.9 | 148 12 -6.2 9.8 8 230 10401 190 29 5.0 28.6 | 168 16 -3.2 15.5 9 200 11250 195 13 3.4 12.6 | 84 5 -4.8 -0.5 10 150 13040 195 15 3.9 14.5 | 108 5 -4.3 1.4 11 100 15660 215 17 9.8 13.9 | 242 2 1.6 0.8 12 70 18010 225 27 19.1 19.1 | 241 12 10.9 6.0 13 50 20220 210 23 11.5 19.9 | 206 8 3.3 6.8 14 30 23570 195 31 8.0 29.9 | 179 17 -0.2 16.9 15 20 26220 200 42 14.4 39.5 | 193 27 6.2 26.4 Wind Parameters Mean winds (0-6000m): 182.1 at 20.6 knts Storm direction: 212.1 at 15.4 knts Shear (0-3000m) pos: 4.1 neg: 0.0 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): 109.8 deg Storm rel helicity (0-3000m) pos: 64.4 neg: 0.0 tot: 64.4 m^2/s^2 ave: 21.5 10^-3 m/s^2 rel: 0.87 Storm rel vorticity (0-3000m) horiz: 4.2 stream: 3.7 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 1.21 Bulk Shear: 53.60 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 ------------------------------------------------------------------------------- 500 112 1 37 16| 2.4 0.0 2.4| 8.7 0.0 8.7 17.3 0.85| 2.5 2.1 1000 146 2 41 15| 3.2 0.0 3.2| 19.2 0.0 19.2 19.2 0.77| 3.3 2.6 1500 160 4 47 13| 3.8 0.0 3.8| 33.1 0.0 33.1 22.0 0.83| 3.9 3.3 2000 170 6 54 11| 4.1 0.0 4.1| 46.1 0.0 46.1 23.0 0.87| 4.3 3.7 2500 175 8 63 10| 4.1 0.0 4.1| 56.0 0.0 56.0 22.4 0.89| 4.3 3.8 3000 177 10 73 9| 4.1 0.0 4.1| 64.4 0.0 64.4 21.5 0.87| 4.2 3.7 4000 180 15 100 8| 4.0 0.0 4.0| 82.4 0.0 82.4 20.6 0.81| 4.1 3.3 5000 182 18 125 9| 3.6 0.1 3.7| 94.1 -6.6 87.5 17.5 0.70| 3.9 2.8 6000 182 21 135 11| 3.0 0.6 3.5| 94.1 -25.1 69.0 11.5 0.53| 3.7 2.0 Wrote GIF file: /home/apache/climate/data/raob//U4688/skewt/U4688.skewt.20260117.00.gif