UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011712.upa.cvt Date: 1200Z 17 JAN 26 Searching for U5123... Searching the city database file for: U5123 ... Date:1200Z 17 JAN 26 Station: U5123 WMO ident: 25123 Latitude: 68.80 Longitude: 161.28 ------------------------------------------------------------------------------- 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 1030 25 -30.1 -34.1 68 4.0 -30.3 160 5 241.0 241.0 240.9 241.6 0.21 1 1002 221 -32.5 -36.5 67 4.0 -32.7 295 14 240.5 240.5 240.3 241.0 0.17 2 1000 235 -31.5 -35.2 70 3.7 -31.7 305 15 241.6 241.7 241.5 242.2 0.19 3 925 793 -21.9 -24.5 79 2.6 -22.2 280 17 256.9 257.0 255.9 258.5 0.57 4 892 1065 -17.3 -19.4 84 2.1 -17.7 282 17 264.4 264.5 262.4 266.9 0.92 5 850 1428 -19.9 -22.5 80 2.6 -20.3 285 17 265.3 265.4 262.7 267.4 0.74 6 829 1613 -21.5 -24.0 80 2.5 -21.8 287 18 265.5 265.6 262.8 267.4 0.66 7 814 1748 -19.3 -21.9 80 2.6 -19.7 288 18 269.2 269.4 265.7 271.6 0.81 8 754 2314 -22.3 -25.0 79 2.7 -22.7 294 19 271.9 272.1 267.3 273.9 0.67 9 700 2858 -24.7 -29.0 67 4.3 -25.2 300 21 275.1 275.2 269.1 276.6 0.50 10 600 3961 -30.9 -42.9 30 12.0 -31.7 305 26 280.4 280.4 271.6 280.8 0.14 11 581 4188 -31.7 -43.7 30 12.0 -32.4 306 28 282.0 282.0 272.6 282.5 0.14 12 500 5230 -38.7 -50.7 27 12.0 -39.2 310 33 285.9 285.9 274.6 286.1 0.07 13 400 6740 -47.3 -59.3 24 12.0 -47.6 305 64 293.5 293.5 278.4 293.6 0.03 14 347 7669 -52.9 -64.9 22 12.0 -53.1 305 73 298.1 298.1 280.5 298.2 0.02 15 330 7992 -54.9 -66.9 21 12.0 -55.1 309 68 299.7 299.7 281.2 299.7 0.01 16 323 8129 -55.3 -67.3 21 12.0 -55.4 310 66 301.0 301.0 281.8 301.0 0.01 17 300 8600 -55.5 -67.5 21 12.0 -55.6 310 56 307.1 307.1 284.2 307.2 0.01 18 278 9088 -56.1 -68.1 21 12.0 -56.2 308 46 313.0 313.0 286.4 313.1 0.01 19 250 9770 -53.9 -65.9 22 12.0 -54.1 305 33 325.9 325.9 290.6 326.0 0.02 20 200 11200 -53.5 -66.5 19 13.0 -53.8 275 17 348.0 348.1 296.2 348.2 0.02 21 150 13060 -50.1 -66.1 14 16.0 -50.7 265 11 383.7 383.8 302.9 383.9 0.04 22 100 15720 -47.3 -68.3 7 21.0 -48.4 200 11 436.3 436.3 309.5 436.5 0.04 23 70 18090 -46.5 -70.5 5 24.0 -48.2 230 21 484.9 484.9 313.8 485.2 0.04 24 50 20320 -47.5 -73.5 3 26.0 -49.6 220 21 531.5 531.5 317.1 531.8 0.04 25 30 23670 -48.9 -73.9 4 25.0 -51.7 205 36 611.3 611.4 321.2 611.8 0.06 26 20 26340 -49.1 -74.1 4 25.0 -52.7 215 40 685.9 685.9 324.0 686.6 0.08 27 11 30251 -50.5 -75.5 4 25.0 -55.4 808.7 808.8 327.5 809.9 0.12 TRP 323 8129 -55.3 -67.3 21 12.0 -55.4 310 66 301.0 301.0 281.8 301.0 0.01 WND 347 7669 -52.9 -64.9 22 12.0 -53.1 305 73 298.1 298.1 280.5 298.2 0.02 Sounding variables and indices 1000-500 mb thick: 4995.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.10 inches Sfc-500 mean rel hum: 58.64 % Est. max temperature: -6.28 C = 20.69 F Sfc-Lift cond lev (LCL): 962.41 mb = 509.26 m = 1670.78 ft T: -26.78 C 700-500 lapse rate: 5.90 C/km ThetaE index: 0.59 C Layer 1002.0-1000.0 mb Conv cond level (CCL): 1002.00 mb = 220.86 m = 724.58 ft Mean mixing ratio: 0.31 g/kg Conv temperature: -28.28 C = -18.90 F Cap Strength: 29.80 C Lifted Index: 31.65 C Risk: None Lifted Index @300 mb: 42.39 C Lifted Index @700 mb: 25.32 C Showalter Index: 15.30 C Risk: None Total Totals Index: 35.00 C Risk: None Vertical Totals Index: 18.80 C Cross Totals Index: 16.20 C K Index: -8.00 Risk: None Sweat Index: 67.00 Risk: None Energy Index: 3.96 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 48.33 J/kg Max Up Vert Vel: 9.83 m/s Conv Inhibition (B-): 86202.12 J/kg Cap Strength: 31.62 C Lift Cond Lev (LCL): 942.77 mb = 656.79 m = 2154.80 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 332 at 18 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 1030 25 160 5 -1.7 4.7 | 153 23 -10.4 20.8 1 1000 235 305 15 12.3 -8.6 | 206 8 3.6 7.5 2 925 793 280 17 16.7 -3.0 | 212 15 8.1 13.1 3 850 1428 285 17 16.4 -4.4 | 213 14 7.7 11.7 4 700 2858 300 21 18.2 -10.5 | 240 11 9.5 5.6 5 500 5230 310 33 25.3 -21.2 | 287 17 16.6 -5.1 6 400 6740 305 64 52.4 -36.7 | 295 48 43.7 -20.6 7 347 7669 305 73 59.8 -41.9 | 297 57 51.1 -25.8 8 323 8129 310 66 50.6 -42.4 | 302 49 41.9 -26.3 9 300 8600 310 56 42.9 -36.0 | 300 40 34.2 -19.9 10 250 9770 305 33 27.0 -18.9 | 279 19 18.3 -2.8 11 200 11200 275 17 16.9 -1.5 | 209 17 8.3 14.6 12 150 13060 265 11 11.0 1.0 | 188 17 2.3 17.1 13 100 15720 200 11 3.8 10.3 | 169 27 -4.9 26.4 14 70 18090 230 21 16.1 13.5 | 194 31 7.4 29.6 15 50 20320 220 21 13.5 16.1 | 189 33 4.8 32.2 16 30 23670 205 36 15.2 32.6 | 188 49 6.5 48.7 17 20 26340 215 40 22.9 32.8 | 196 51 14.3 48.9 Wind Parameters Mean winds (0-6000m): 301.6 at 24.4 knts Storm direction: 331.6 at 18.3 knts Shear (0-3000m) pos: 4.5 neg: 0.5 tot: 5.0 10-3/s Storm rel Dir Shear (0-3000m): 90.5 deg Storm rel helicity (0-3000m) pos: 109.1 neg: -0.3 tot: 108.8 m^2/s^2 ave: 36.3 10^-3 m/s^2 rel: 0.64 Storm rel vorticity (0-3000m) horiz: 6.8 stream: 4.4 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 2.85 Bulk Shear: 16.98 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 ------------------------------------------------------------------------------- 500 297 13 197 11| 20.3 0.0 20.3| 85.8 0.0 85.8 171.6 0.67| 28.4 18.9 1000 289 15 206 13| 10.2 1.6 11.7| 86.8 -0.3 86.5 86.5 0.59| 16.2 9.5 1500 287 16 208 13| 7.0 1.1 8.1| 89.3 -0.3 89.0 59.3 0.58| 11.3 6.6 2000 287 16 211 13| 5.7 0.8 6.5| 95.9 -0.3 95.6 47.8 0.60| 9.0 5.4 2500 289 17 214 13| 5.0 0.6 5.6|102.4 -0.3 102.0 40.8 0.62| 7.7 4.8 3000 291 17 218 12| 4.5 0.5 5.0|109.1 -0.3 108.8 36.3 0.64| 6.8 4.4 4000 295 19 227 12| 4.1 0.4 4.5|124.9 -0.3 124.6 31.2 0.67| 5.8 3.9 5000 299 21 240 12| 3.8 0.3 4.1|142.5 -0.3 142.2 28.4 0.69| 5.2 3.6 6000 302 24 255 13| 3.2 1.5 4.7|164.8 -0.3 164.5 27.4 0.56| 5.8 3.3 Wrote GIF file: /home/apache/climate/data/raob//U5123/skewt/U5123.skewt.20260117.12.gif