UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026012000.upa.cvt Date: 0000Z 20 JAN 26 Searching for U4688... Searching the city database file for: U4688 ... Date:0000Z 20 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 350 SFC 942 744 -48.3 -51.2 72 2.9 -48.3 190 1 228.7 228.7 228.6 228.8 0.04 2 925 864 -46.9 -49.8 72 2.9 -46.9 205 1 231.4 231.4 231.2 231.5 0.04 3 918 915 -41.3 -44.8 69 3.5 -41.4 219 1 237.6 237.6 237.3 237.8 0.08 4 865 1324 -34.7 -38.3 70 3.6 -34.8 328 0 248.5 248.6 247.7 249.0 0.16 5 862 1348 -33.5 -37.1 70 3.6 -33.7 334 0 250.0 250.1 249.1 250.6 0.18 6 850 1449 -22.7 -26.2 73 3.5 -23.1 0 0 262.4 262.5 260.1 263.9 0.53 7 842 1519 -21.5 -24.7 75 3.2 -22.0 1 1 264.3 264.4 261.8 266.1 0.61 8 768 2193 -24.3 -27.2 77 2.9 -24.6 16 6 268.4 268.5 264.6 269.9 0.53 9 700 2869 -24.1 -26.9 78 2.8 -24.5 30 11 275.8 275.9 269.7 277.6 0.60 10 667 3220 -24.7 -27.5 77 2.8 -25.1 24 15 279.0 279.1 271.6 280.8 0.60 11 500 5260 -37.1 -40.2 73 3.1 -37.3 345 42 287.8 287.8 275.9 288.6 0.23 12 470 5685 -39.3 -42.8 69 3.5 -39.5 344 44 290.2 290.2 277.1 290.8 0.19 13 400 6770 -47.3 -50.9 66 3.6 -47.4 340 50 293.5 293.5 278.5 293.8 0.09 14 367 7334 -51.7 -55.3 65 3.6 -51.8 340 51 295.0 295.0 279.1 295.2 0.06 15 300 8620 -59.3 -63.5 58 4.2 -59.3 340 52 301.8 301.8 282.1 301.8 0.02 16 293 8767 -60.3 -64.3 59 4.0 -60.3 339 48 302.4 302.4 282.4 302.5 0.02 17 256 9604 -62.3 -66.6 56 4.3 -62.3 335 23 311.3 311.3 285.8 311.4 0.02 18 255 9628 -62.3 -66.6 56 4.3 -62.3 333 23 311.7 311.7 285.9 311.8 0.02 19 250 9750 -61.5 -65.6 58 4.1 -61.6 320 21 314.6 314.6 287.0 314.7 0.02 20 242 9953 -59.7 -64.0 57 4.3 -59.7 335 19 320.3 320.3 288.9 320.4 0.03 21 230 10272 -60.5 -64.6 58 4.1 -60.6 359 17 323.8 323.8 289.9 323.9 0.03 22 219 10581 -56.3 -60.3 61 4.0 -56.4 22 14 334.8 334.8 293.0 335.0 0.05 23 200 11160 -55.5 -59.6 60 4.1 -55.6 65 9 344.9 344.9 295.6 345.1 0.06 24 150 13010 -51.1 -55.0 63 3.9 -51.3 160 19 382.0 382.1 302.7 382.7 0.15 25 111 14976 -48.1 -52.1 63 4.0 -48.5 164 38 422.0 422.1 308.1 423.4 0.28 26 100 15660 -49.7 -53.6 63 3.9 -50.0 165 44 431.7 431.8 309.1 433.1 0.26 27 70 17990 -51.5 -55.1 65 3.6 -51.9 175 38 474.2 474.3 313.1 476.0 0.31 28 50 20170 -52.3 -56.2 63 3.9 -52.8 170 52 520.2 520.3 316.5 522.6 0.38 29 36 22273 -55.9 -60.4 57 4.5 -56.4 176 57 562.2 562.3 318.9 564.3 0.31 30 32 23026 -53.1 -59.1 48 6.0 -54.0 179 59 588.9 589.1 320.2 591.9 0.41 31 30 23440 -54.5 -60.5 47 6.0 -55.4 180 60 596.1 596.2 320.6 598.8 0.37 32 23 25153 -53.9 -61.9 37 8.0 -55.3 183 69 644.9 645.0 322.6 648.1 0.40 33 20 26060 -51.3 -60.3 33 9.0 -53.3 185 73 679.1 679.4 323.9 683.9 0.57 34 18 26747 -49.7 -58.7 34 9.0 -52.2 705.0 705.3 324.8 711.7 0.77 35 13 28859 -53.5 -63.2 30 9.7 -55.9 185 79 760.5 760.7 326.4 766.1 0.60 36 11 29929 -55.5 -65.5 28 10.0 -57.9 790.5 790.8 327.1 795.7 0.52 TRP 256 9604 -62.3 -66.6 56 4.3 -62.3 335 23 311.3 311.3 285.8 311.4 0.02 WND 13 28859 -53.5 -63.2 30 9.7 -55.9 185 79 760.5 760.7 326.4 766.1 0.60 Sounding variables and indices 1000-500 mb thick: 4910.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.10 inches Sfc-500 mean rel hum: 74.94 % Est. max temperature: -10.66 C = 12.81 F Sfc-Lift cond lev (LCL): 893.64 mb = 1100.00 m = 3608.90 ft T: -38.31 C 700-500 lapse rate: 5.44 C/km ThetaE index: 0.00 C Layer 942.0- 0.0 mb Conv cond level (CCL): 942.00 mb = 743.65 m = 2439.76 ft Mean mixing ratio: 0.17 g/kg Conv temperature: -36.86 C = -34.34 F Cap Strength: 30.89 C Lifted Index: 35.60 C Risk: None Lifted Index @300 mb: 40.64 C Lifted Index @700 mb: 28.47 C Showalter Index: 19.72 C Risk: None Total Totals Index: 25.30 C Risk: None Vertical Totals Index: 14.40 C Cross Totals Index: 10.90 C K Index: -14.60 Risk: None Sweat Index: 42.00 Risk: None Energy Index: 5.26 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 122.00 J/kg Max Up Vert Vel: 15.62 m/s Conv Inhibition (B-): 76030.18 J/kg Cap Strength: 35.40 C Lift Cond Lev (LCL): 887.36 mb = 1148.52 m = 3768.08 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 20 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 ---------------------------------------------------------- 0 942 744 190 1 0.2 1.0 | 199 19 6.1 17.6 1 925 864 205 1 0.4 0.9 | 200 19 6.4 17.6 2 850 1449 0 0 -0.0 -0.0 | 200 18 6.0 16.7 3 700 2869 30 11 -5.5 -9.5 | 184 7 0.5 7.1 4 500 5260 345 42 10.9 -40.6 | 325 29 16.8 -23.9 5 400 6770 340 50 17.1 -47.0 | 323 38 23.1 -30.3 6 300 8620 340 52 17.8 -48.9 | 324 40 23.7 -32.2 7 256 9604 335 23 9.7 -20.8 | 285 16 15.7 -4.2 8 250 9750 320 21 13.5 -16.1 | 268 19 19.4 0.6 9 200 11160 65 9 -8.2 -3.8 | 170 13 -2.2 12.8 10 150 13010 160 19 -6.5 17.9 | 179 35 -0.5 34.5 11 100 15660 165 44 -11.4 42.5 | 175 59 -5.4 59.2 12 70 17990 175 38 -3.3 37.9 | 183 55 2.6 54.5 13 50 20170 170 52 -9.0 51.2 | 177 68 -3.1 67.9 14 30 23440 180 60 0.0 60.0 | 184 77 6.0 76.7 15 20 26060 185 73 6.4 72.7 | 188 90 12.3 89.4 Wind Parameters Mean winds (0-6000m): 349.7 at 23.6 knts Storm direction: 19.7 at 17.7 knts Shear (0-3000m) pos: 1.9 neg: 2.2 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): 152.7 deg Storm rel helicity (0-3000m) pos: 6.7 neg: -10.7 tot: -4.1 m^2/s^2 ave: -1.4 10^-3 m/s^2 rel: -0.21 Storm rel vorticity (0-3000m) horiz: 4.5 stream: -1.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.58 Bulk Shear: 77.00 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 ------------------------------------------------------------------------------- 500 214 1 200 18| 1.2 0.0 1.2| 3.6 -0.9 2.6 5.3 0.33| 1.6 0.5 1000 235 1 201 18| 1.7 0.0 1.7| 6.1 -2.5 3.6 3.6 0.18| 2.2 0.4 1500 15 2 200 16| 2.5 0.0 2.5| 6.7 -3.2 3.5 2.3 0.09| 2.8 0.2 2000 28 3 198 14| 2.8 0.0 2.8| 6.7 -7.7 -1.0 -0.5 -0.09| 3.2 -0.3 2500 29 5 196 13| 2.3 1.2 3.5| 6.7 -10.2 -3.5 -1.4 -0.14| 3.8 -0.6 3000 23 7 197 10| 1.9 2.2 4.1| 6.7 -10.7 -4.1 -1.4 -0.21| 4.5 -1.0 4000 7 13 228 6| 1.4 3.5 4.9| 6.7 -25.6 -18.9 -4.7 -0.23| 5.4 -1.2 5000 354 18 282 8| 1.1 3.9 5.0| 6.7 -53.0 -46.3 -9.3 -0.25| 5.6 -1.4 6000 350 24 303 12| 0.9 3.7 4.7| 6.7 -61.8 -55.1 -9.2 -0.24| 5.2 -1.2 Wrote GIF file: /home/apache/climate/data/raob//U4688/skewt/U4688.skewt.20260120.00.gif