UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011300.upa.cvt Date: 0000Z 13 JAN 26 Searching for U4688... Searching the city database file for: U4688 ... Date:0000Z 13 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 190 SFC 925 736 -35.5 -38.1 77 2.6 -35.6 260 3 243.0 243.0 242.6 243.4 0.15 2 850 1342 -24.3 -27.4 75 3.1 -24.6 120 23 260.7 260.8 258.7 262.0 0.47 3 795 1835 -15.9 -19.2 76 3.3 -16.6 127 27 274.7 274.9 269.8 277.7 1.05 4 763 2141 -18.5 -21.8 75 3.3 -19.1 131 30 275.1 275.3 269.7 277.7 0.87 5 726 2514 -12.9 -16.3 76 3.4 -13.7 136 34 285.2 285.5 276.5 289.6 1.47 6 702 2768 -13.1 -16.3 77 3.2 -13.9 140 36 287.7 288.0 277.8 292.3 1.52 7 700 2790 -13.3 -16.5 77 3.2 -14.1 140 36 287.8 288.0 277.8 292.3 1.50 8 648 3373 -18.3 -21.4 77 3.1 -19.0 142 39 288.5 288.7 277.6 291.8 1.07 9 634 3537 -19.5 -24.0 67 4.5 -20.3 143 40 289.0 289.1 277.4 291.6 0.87 10 589 4082 -22.3 -36.3 27 14.0 -23.9 145 43 291.9 291.9 278.0 292.8 0.29 11 508 5156 -29.3 -51.3 10 22.0 -30.7 150 49 296.0 296.0 279.6 296.2 0.07 12 500 5270 -29.5 -51.5 10 22.0 -30.9 150 50 297.1 297.1 280.1 297.3 0.07 13 469 5724 -31.1 -53.1 10 22.0 -32.4 153 51 300.6 300.6 281.7 300.8 0.06 14 437 6221 -34.7 -56.7 9 22.0 -35.7 156 52 302.1 302.2 282.3 302.3 0.04 15 400 6830 -40.7 -59.7 11 19.0 -41.3 160 54 302.1 302.1 282.3 302.2 0.03 16 394 6932 -41.7 -59.7 12 18.0 -42.2 161 52 302.1 302.1 282.3 302.2 0.03 17 332 8073 -48.1 -59.1 27 11.0 -48.4 166 33 308.5 308.5 284.8 308.6 0.04 18 306 8603 -52.7 -61.7 33 9.0 -52.9 169 23 309.3 309.3 285.1 309.4 0.03 19 301 8709 -55.1 -64.1 32 9.0 -55.2 170 21 307.4 307.4 284.4 307.5 0.02 20 300 8730 -55.1 -64.1 32 9.0 -55.2 170 21 307.7 307.7 284.5 307.8 0.02 21 250 9880 -64.9 -72.9 32 8.0 -65.0 180 29 309.6 309.6 285.2 309.6 0.01 22 208 10973 -74.5 -82.5 28 8.0 -74.5 184 32 311.3 311.3 285.8 311.3 0.00 23 200 11200 -74.9 -82.9 28 8.0 -74.9 185 33 314.1 314.1 286.8 314.1 0.00 24 199 11229 -75.3 -83.3 28 8.0 -75.3 185 33 314.0 314.0 286.7 314.0 0.00 25 173 12040 -76.1 -84.1 27 8.0 -76.1 190 29 325.5 325.5 290.4 325.5 0.00 26 161 12466 -65.7 -73.7 32 8.0 -65.8 192 27 349.8 349.8 296.6 349.8 0.01 27 150 12900 -62.5 -69.5 38 7.0 -62.6 195 25 362.4 362.4 299.2 362.5 0.02 28 136 13507 -59.7 -67.7 35 8.0 -59.9 194 29 377.7 377.7 301.9 377.8 0.03 29 100 15440 -56.1 -65.1 31 9.0 -56.4 190 42 419.3 419.3 307.7 419.6 0.06 30 90 16110 -56.3 -66.3 27 10.0 -56.7 190 46 431.8 431.8 309.0 432.1 0.06 31 75 17293 -47.1 -59.1 24 12.0 -48.3 190 53 474.2 474.2 313.1 475.2 0.18 32 70 17750 -47.1 -60.1 21 13.0 -48.4 190 56 483.6 483.7 313.8 484.6 0.17 33 54 19486 -43.3 -59.3 16 16.0 -45.7 205 66 529.6 529.7 317.0 531.2 0.24 34 51 19868 -47.1 -65.1 11 18.0 -49.1 209 68 529.5 529.5 316.9 530.2 0.12 35 50 20000 -45.5 -64.5 10 19.0 -47.9 210 69 536.2 536.3 317.3 537.1 0.13 36 44 20850 -44.1 -65.1 8 21.0 -47.0 207 69 559.6 559.7 318.7 560.6 0.14 37 30 23390 -47.5 -73.5 3 26.0 -50.6 200 69 615.1 615.2 321.3 615.6 0.06 38 28 23844 -48.9 -73.9 4 25.0 -51.8 199 70 623.5 623.5 321.6 624.0 0.06 39 24 24863 -45.3 -71.3 4 26.0 -49.6 196 71 662.1 662.1 323.2 662.9 0.11 40 23 25145 -46.5 -72.5 4 26.0 -50.5 195 71 666.7 666.8 323.3 667.5 0.09 41 22 25439 -47.7 -73.7 3 26.0 -51.5 193 70 671.6 671.6 323.5 672.3 0.08 42 20 26070 -46.1 -72.1 4 26.0 -50.7 190 69 695.1 695.1 324.3 696.0 0.11 43 15 27987 -45.3 -71.3 4 26.0 -51.1 757.3 757.4 326.2 758.9 0.17 TRP 199 11229 -75.3 -83.3 28 8.0 -75.3 185 33 314.0 314.0 286.7 314.0 0.00 WND 23 25145 -46.5 -72.5 4 26.0 -50.5 195 71 666.7 666.8 323.3 667.5 0.09 Sounding variables and indices 1000-500 mb thick: 5080.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.13 inches Sfc-500 mean rel hum: 56.87 % Est. max temperature: -4.24 C = 24.36 F Sfc-Lift cond lev (LCL): 884.55 mb = 1056.53 m = 3466.28 ft T: -29.58 C 700-500 lapse rate: 6.53 C/km ThetaE index: 0.67 C Layer 700.0- 589.0 mb Conv cond level (CCL): 925.00 mb = 736.11 m = 2415.02 ft Mean mixing ratio: 0.38 g/kg Conv temperature: -28.79 C = -19.81 F Cap Strength: 32.97 C Lifted Index: 33.70 C Risk: None Lifted Index @300 mb: 36.58 C Lifted Index @700 mb: 28.98 C Showalter Index: 28.84 C Risk: None Total Totals Index: 7.30 C Risk: None Vertical Totals Index: 5.20 C Cross Totals Index: 2.10 C K Index: -25.40 Risk: None Sweat Index: 96.00 Risk: None Energy Index: 7.67 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 78.32 J/kg Max Up Vert Vel: 12.52 m/s Conv Inhibition (B-): 66975.70 J/kg Cap Strength: 33.56 C Lift Cond Lev (LCL): 851.28 mb = 1331.23 m = 4367.50 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 176 at 29 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 ---------------------------------------------------------- 0 925 736 260 3 3.0 0.5 | 350 29 5.0 -28.6 1 850 1342 120 23 -19.9 11.5 | 45 25 -17.8 -17.7 2 700 2790 140 36 -23.1 27.6 | 86 21 -21.1 -1.6 3 500 5270 150 50 -25.0 43.3 | 122 27 -22.9 14.1 4 400 6830 160 54 -18.5 50.7 | 143 27 -16.4 21.6 5 300 8730 170 21 -3.6 20.7 | 10 9 -1.6 -8.5 6 250 9880 180 29 0.0 29.0 | 274 2 2.1 -0.2 7 200 11200 185 33 2.9 32.9 | 233 6 5.0 3.7 8 199 11229 185 33 2.9 32.9 | 233 6 5.0 3.7 9 150 12900 195 25 6.5 24.1 | 300 10 8.5 -5.0 10 100 15440 190 42 7.3 41.4 | 218 15 9.4 12.2 11 70 17750 190 56 9.7 55.1 | 204 29 11.8 26.0 12 50 20000 210 69 34.5 59.8 | 230 48 36.6 30.6 13 30 23390 200 69 23.6 64.8 | 216 44 25.7 35.7 14 23 25145 195 71 18.4 68.6 | 207 44 20.5 39.4 15 20 26070 190 69 12.0 68.0 | 200 41 14.1 38.8 Wind Parameters Mean winds (0-6000m): 145.9 at 39.0 knts Storm direction: 175.9 at 29.2 knts Shear (0-3000m) pos: 3.1 neg: 4.9 tot: 8.0 10-3/s Storm rel Dir Shear (0-3000m): 110.6 deg Storm rel helicity (0-3000m) pos: 206.6 neg: -30.8 tot: 175.9 m^2/s^2 ave: 58.6 10^-3 m/s^2 rel: 0.59 Storm rel vorticity (0-3000m) horiz: 10.3 stream: 6.1 10^-3/s Energy-Hel index: 0.08 Bulk Rich Number: 0.70 Bulk Shear: 112.19 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 ------------------------------------------------------------------------------- 500 122 11 18 24| 0.0 21.6 21.6| 56.9 -30.8 26.2 52.4 0.36| 29.3 10.5 1000 124 17 32 23| 0.0 14.8 14.8|102.4 -30.8 71.6 71.6 0.43| 21.6 9.2 1500 127 21 42 22| 1.9 9.8 11.8|135.9 -30.8 105.2 70.1 0.49| 16.3 8.0 2000 131 24 51 21| 3.0 7.4 10.4|169.9 -30.8 139.1 69.6 0.55| 13.8 7.5 2500 134 27 58 20| 3.1 5.9 9.0|188.9 -30.8 158.2 63.3 0.57| 11.7 6.7 3000 136 29 64 20| 3.1 4.9 8.0|206.6 -30.8 175.9 58.6 0.59| 10.3 6.1 4000 139 33 77 20| 3.2 3.7 6.9|244.1 -30.8 213.3 53.3 0.62| 8.6 5.4 5000 143 36 89 20| 3.1 3.0 6.1|286.0 -30.8 255.3 51.1 0.65| 7.5 4.9 6000 146 39 99 20| 3.0 2.5 5.5|331.5 -30.8 300.8 50.1 0.68| 6.8 4.6 Wrote GIF file: /home/apache/climate/data/raob//U4688/skewt/U4688.skewt.20260113.00.gif