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 U3472... Searching the city database file for: U3472 ... Date:0000Z 20 JAN 26 Station: U3472 WMO ident: 23472 Latitude: 65.78 Longitude: 87.95 ------------------------------------------------------------------------------- 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 1046 42 -34.9 -38.6 69 3.7 -35.0 90 3 235.2 235.2 235.2 235.6 0.13 1 1041 76 -33.7 -38.0 65 4.3 -33.9 103 3 236.7 236.7 236.7 237.1 0.14 2 1037 103 -30.3 -36.3 56 6.0 -30.6 113 3 240.3 240.4 240.2 240.8 0.17 3 1024 192 -29.7 -35.7 56 6.0 -30.0 147 4 241.8 241.8 241.6 242.3 0.18 4 1005 327 -24.7 -30.7 57 6.0 -25.2 197 5 248.1 248.1 247.6 248.9 0.29 5 1000 363 -24.3 -29.3 63 5.0 -24.8 210 5 248.9 248.9 248.4 249.8 0.34 6 925 934 -22.1 -29.1 53 7.0 -22.8 320 5 256.7 256.8 255.3 257.8 0.37 7 904 1103 -20.7 -28.7 49 8.0 -21.6 327 6 259.8 259.9 257.9 261.0 0.40 8 850 1559 -20.9 -28.9 49 8.0 -21.8 345 9 264.3 264.3 261.3 265.4 0.41 9 796 2043 -21.9 -30.9 44 9.0 -22.9 352 11 268.2 268.3 264.1 269.3 0.36 10 744 2537 -24.7 -33.7 43 9.0 -25.6 359 13 270.4 270.4 265.5 271.3 0.30 11 700 2978 -26.7 -35.7 42 9.0 -27.5 5 15 272.9 273.0 267.2 273.7 0.26 12 634 3688 -30.3 -36.3 56 6.0 -30.8 15 16 276.7 276.7 269.6 277.5 0.27 13 601 4068 -30.9 -35.9 61 5.0 -31.3 21 16 280.2 280.3 271.8 281.2 0.30 14 538 4844 -36.9 -41.6 62 4.7 -37.2 32 17 282.1 282.1 272.7 282.7 0.18 15 502 5322 -37.5 -41.9 63 4.4 -37.8 40 17 287.0 287.0 275.4 287.6 0.19 16 500 5350 -37.7 -42.1 63 4.4 -37.9 40 17 287.1 287.1 275.5 287.7 0.19 17 490 5489 -38.1 -42.8 61 4.7 -38.4 40 18 288.2 288.3 276.0 288.8 0.18 18 400 6860 -47.9 -54.9 44 7.0 -48.1 40 25 292.7 292.7 278.1 292.9 0.06 19 375 7280 -51.3 -58.3 43 7.0 -51.4 40 26 293.7 293.7 278.5 293.8 0.04 20 307 8547 -60.3 -67.3 39 7.0 -60.4 40 31 298.4 298.4 280.6 298.4 0.01 21 300 8690 -61.3 -68.3 39 7.0 -61.3 40 31 298.9 298.9 280.9 299.0 0.01 22 250 9810 -67.1 -73.1 42 6.0 -67.1 35 36 306.3 306.3 283.9 306.3 0.01 23 244 9956 -67.7 -73.7 42 6.0 -67.7 40 35 307.5 307.5 284.4 307.6 0.01 24 207 10943 -67.9 -73.9 42 6.0 -67.9 44 27 322.0 322.0 289.4 322.1 0.01 25 200 11150 -67.3 -73.3 42 6.0 -67.3 45 25 326.2 326.2 290.6 326.2 0.01 26 150 12890 -65.7 -71.7 43 6.0 -65.8 50 21 356.9 356.9 298.1 357.0 0.02 27 142 13222 -65.9 -71.9 43 6.0 -66.0 51 20 362.2 362.2 299.1 362.3 0.02 28 100 15330 -69.5 -76.5 35 7.0 -69.5 60 17 393.4 393.4 304.3 393.5 0.01 29 70 17440 -73.5 -80.5 33 7.0 -73.6 75 13 427.1 427.1 308.5 427.2 0.01 30 58 18536 -74.9 -81.9 33 7.0 -74.9 447.6 447.6 310.6 447.6 0.01 TRP 244 9956 -67.7 -73.7 42 6.0 -67.7 40 35 307.5 307.5 284.4 307.6 0.01 WND Sounding variables and indices 1000-500 mb thick: 4987.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.07 inches Sfc-500 mean rel hum: 53.22 % Est. max temperature: -9.30 C = 15.25 F Sfc-Lift cond lev (LCL): 981.46 mb = 500.06 m = 1640.60 ft T: -23.77 C 700-500 lapse rate: 4.64 C/km ThetaE index: 0.00 C Layer 1046.0- 0.0 mb Conv cond level (CCL): 1041.00 mb = 75.59 m = 247.98 ft Mean mixing ratio: 0.29 g/kg Conv temperature: -30.27 C = -22.49 F Cap Strength: 31.68 C Lifted Index: 31.71 C Risk: None Lifted Index @300 mb: 35.77 C Lifted Index @700 mb: 22.26 C Showalter Index: 17.83 C Risk: None Total Totals Index: 25.60 C Risk: None Vertical Totals Index: 16.80 C Cross Totals Index: 8.80 C K Index: -21.10 Risk: None Sweat Index: 35.00 Risk: None Energy Index: 4.68 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 65.00 J/kg Max Up Vert Vel: 11.40 m/s Conv Inhibition (B-): 35946.84 J/kg Cap Strength: 31.68 C Lift Cond Lev (LCL): 911.38 mb = 1043.44 m = 3423.32 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 47 at 10 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 1046 42 90 3 -3.0 0.0 | 211 8 4.0 6.6 1 1000 363 210 5 2.5 4.3 | 221 14 9.5 10.9 2 925 934 320 5 3.2 -3.8 | 255 11 10.2 2.7 3 850 1559 345 9 2.3 -8.7 | 283 10 9.3 -2.1 4 700 2978 5 15 -1.3 -14.9 | 326 10 5.7 -8.4 5 500 5350 40 17 -10.9 -13.0 | 31 8 -3.9 -6.5 6 400 6860 40 25 -16.1 -19.2 | 36 16 -9.1 -12.6 7 300 8690 40 31 -19.9 -23.7 | 37 21 -12.9 -17.2 8 250 9810 35 36 -20.6 -29.5 | 31 27 -13.6 -22.9 9 244 9956 40 35 -22.5 -26.8 | 37 25 -15.5 -20.3 10 200 11150 45 25 -17.7 -17.7 | 44 15 -10.7 -11.1 11 150 12890 50 21 -16.1 -13.5 | 53 11 -9.1 -6.9 12 100 15330 60 17 -14.7 -8.5 | 76 8 -7.7 -1.9 13 70 17440 75 13 -12.6 -3.4 | 120 6 -5.5 3.2 Wind Parameters Mean winds (0-6000m): 16.9 at 12.8 knts Storm direction: 46.9 at 9.6 knts Shear (0-3000m) pos: 2.6 neg: 0.0 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): 115.5 deg Storm rel helicity (0-3000m) pos: 73.6 neg: -2.1 tot: 71.5 m^2/s^2 ave: 23.8 10^-3 m/s^2 rel: 0.76 Storm rel vorticity (0-3000m) horiz: 5.2 stream: 4.0 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 1.67 Bulk Shear: 38.87 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 ------------------------------------------------------------------------------- 500 202 4 219 14| 8.0 0.0 8.0| 23.4 -2.1 21.3 42.6 0.49| 11.8 5.8 1000 258 5 237 14| 4.0 0.0 4.0| 43.1 -2.1 41.0 41.0 0.61| 9.7 5.9 1500 312 6 256 12| 3.5 0.0 3.5| 53.8 -2.1 51.6 34.4 0.67| 7.8 5.3 2000 331 7 266 10| 3.0 0.0 3.0| 60.2 -2.1 58.0 29.0 0.71| 6.5 4.6 2500 341 8 275 9| 2.8 0.0 2.8| 66.8 -2.1 64.7 25.9 0.73| 5.8 4.2 3000 349 9 284 9| 2.6 0.0 2.6| 73.6 -2.1 71.5 23.8 0.76| 5.2 4.0 4000 359 10 298 8| 1.9 0.0 1.9| 82.7 -2.1 80.6 20.1 0.77| 4.5 3.5 5000 9 12 313 7| 1.6 0.0 1.6| 91.4 -2.1 89.3 17.9 0.80| 4.0 3.2 6000 17 13 330 7| 1.4 0.2 1.6| 95.3 -2.1 93.2 15.5 0.75| 3.8 2.8 Wrote GIF file: /home/apache/climate/data/raob//U3472/skewt/U3472.skewt.20260120.00.gif