UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011812.upa.cvt Date: 1200Z 18 JAN 26 Searching for U3472... Searching the city database file for: U3472 ... Date:1200Z 18 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 1044 42 -29.9 -33.7 69 3.8 -30.1 155 3 240.3 240.3 240.2 240.8 0.21 1 1008 295 -27.5 -33.5 57 6.0 -27.9 184 14 245.1 245.1 244.8 245.7 0.22 2 1000 353 -22.5 -28.5 58 6.0 -23.1 190 17 250.6 250.7 250.1 251.6 0.36 3 962 639 -19.5 -23.1 73 3.6 -20.0 210 15 256.5 256.6 255.6 258.2 0.62 4 925 930 -19.3 -23.0 72 3.7 -19.8 230 13 259.6 259.7 258.2 261.4 0.65 5 852 1541 -19.5 -23.6 70 4.1 -20.1 230 11 265.5 265.6 262.8 267.4 0.67 6 850 1558 -19.7 -23.8 70 4.1 -20.3 230 11 265.5 265.6 262.7 267.4 0.66 7 809 1924 -21.3 -26.0 66 4.7 -22.0 222 11 267.6 267.7 264.1 269.2 0.57 8 766 2327 -21.3 -27.3 58 6.0 -22.1 214 11 271.8 271.9 267.0 273.4 0.53 9 700 2986 -25.9 -32.9 52 7.0 -26.6 200 11 273.8 273.9 267.9 274.8 0.34 10 654 3476 -28.7 -33.7 62 5.0 -29.2 166 10 276.0 276.1 269.3 277.1 0.34 11 590 4211 -30.5 -36.5 56 6.0 -31.0 114 9 282.2 282.2 272.9 283.1 0.28 12 505 5301 -37.3 -43.3 54 6.0 -37.7 35 7 286.7 286.8 275.2 287.3 0.16 13 500 5370 -37.3 -43.3 54 6.0 -37.7 30 7 287.6 287.6 275.7 288.1 0.17 14 474 5737 -38.3 -44.3 53 6.0 -38.7 37 11 290.7 290.8 277.3 291.3 0.16 15 400 6880 -47.1 -55.1 40 8.0 -47.3 60 23 293.8 293.8 278.6 294.0 0.05 16 383 7166 -49.7 -57.7 39 8.0 -49.8 62 27 294.0 294.0 278.7 294.2 0.04 17 300 8730 -59.1 -66.1 40 7.0 -59.2 70 48 302.0 302.0 282.2 302.1 0.02 18 250 9860 -65.9 -72.9 37 7.0 -66.0 65 58 308.1 308.1 284.6 308.1 0.01 19 236 10206 -67.5 -74.5 36 7.0 -67.6 60 60 310.7 310.7 285.6 310.7 0.01 20 222 10570 -69.3 -76.3 35 7.0 -69.3 60 56 313.5 313.5 286.6 313.5 0.01 21 200 11190 -68.5 -74.5 42 6.0 -68.5 60 42 324.3 324.3 290.0 324.3 0.01 22 197 11281 -68.5 -74.5 42 6.0 -68.5 60 41 325.7 325.7 290.5 325.7 0.01 23 150 12920 -67.7 -74.7 36 7.0 -67.8 55 25 353.5 353.5 297.4 353.5 0.01 24 132 13691 -67.3 -74.3 36 7.0 -67.4 55 23 367.3 367.3 300.1 367.4 0.01 25 100 15350 -71.1 -78.1 35 7.0 -71.2 55 19 390.4 390.4 303.9 390.4 0.01 26 70 17440 -74.5 -81.5 33 7.0 -74.5 75 9 425.0 425.0 308.3 425.0 0.01 27 56 18733 -76.3 -83.3 32 7.0 -76.3 448.9 448.9 310.7 448.9 0.01 TRP 222 10570 -69.3 -76.3 35 7.0 -69.3 60 56 313.5 313.5 286.6 313.5 0.01 WND 236 10206 -67.5 -74.5 36 7.0 -67.6 60 60 310.7 310.7 285.6 310.7 0.01 Sounding variables and indices 1000-500 mb thick: 5017.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.10 inches Sfc-500 mean rel hum: 60.78 % Est. max temperature: -7.87 C = 17.83 F Sfc-Lift cond lev (LCL): 978.86 mb = 510.63 m = 1675.28 ft T: -20.85 C 700-500 lapse rate: 4.78 C/km ThetaE index: 0.06 C Layer 850.0- 809.0 mb Conv cond level (CCL): 1008.00 mb = 294.67 m = 966.74 ft Mean mixing ratio: 0.41 g/kg Conv temperature: -24.76 C = -12.57 F Cap Strength: 29.36 C Lifted Index: 29.95 C Risk: None Lifted Index @300 mb: 36.10 C Lifted Index @700 mb: 20.72 C Showalter Index: 16.70 C Risk: None Total Totals Index: 31.10 C Risk: None Vertical Totals Index: 17.60 C Cross Totals Index: 13.50 C K Index: -13.20 Risk: None Sweat Index: 29.00 Risk: None Energy Index: 4.38 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 79.93 J/kg Max Up Vert Vel: 12.64 m/s Conv Inhibition (B-): 34376.62 J/kg Cap Strength: 29.59 C Lift Cond Lev (LCL): 932.72 mb = 868.29 m = 2848.68 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 238 at 8 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 1044 42 155 3 -1.3 2.7 | 79 8 -8.0 -1.5 1 1000 353 190 17 3.0 16.7 | 163 13 -3.7 12.5 2 925 930 230 13 10.0 8.4 | 219 5 3.3 4.1 3 850 1558 230 11 8.4 7.1 | 212 3 1.7 2.8 4 700 2986 200 11 3.8 10.3 | 154 7 -2.9 6.1 5 500 5370 30 7 -3.5 -6.1 | 45 14 -10.2 -10.3 6 400 6880 60 23 -19.9 -11.5 | 59 31 -26.6 -15.8 7 300 8730 70 48 -45.1 -16.4 | 68 56 -51.8 -20.7 8 250 9860 65 58 -52.6 -24.5 | 64 66 -59.3 -28.8 9 236 10206 60 60 -52.0 -30.0 | 60 68 -58.6 -34.3 10 222 10570 60 56 -48.5 -28.0 | 60 64 -55.2 -32.3 11 200 11190 60 42 -36.4 -21.0 | 60 50 -43.1 -25.3 12 150 12920 55 25 -20.5 -14.3 | 56 33 -27.2 -18.6 13 100 15350 55 19 -15.6 -10.9 | 56 27 -22.3 -15.1 14 70 17440 75 9 -8.7 -2.3 | 67 17 -15.4 -6.6 Wind Parameters Mean winds (0-6000m): 207.6 at 10.6 knts Storm direction: 237.6 at 7.9 knts Shear (0-3000m) pos: 2.1 neg: 1.2 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 70.4 deg Storm rel helicity (0-3000m) pos: 56.4 neg: -7.4 tot: 49.0 m^2/s^2 ave: 16.3 10^-3 m/s^2 rel: 0.49 Storm rel vorticity (0-3000m) horiz: 6.0 stream: 2.9 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 41.52 Bulk Shear: 1.93 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 ------------------------------------------------------------------------------- 500 190 12 151 9| 14.3 0.0 14.3| 45.8 0.0 45.8 91.7 0.91| 19.6 17.9 1000 204 13 171 8| 6.3 0.0 6.3| 56.4 -0.1 56.3 56.3 0.85| 13.7 11.6 1500 213 13 181 6| 4.2 0.5 4.7| 56.4 -0.5 55.8 37.2 0.78| 9.7 7.6 2000 215 12 184 6| 3.1 0.7 3.8| 56.4 -2.2 54.1 27.1 0.68| 7.8 5.3 2500 215 12 183 6| 2.5 0.9 3.4| 56.4 -4.2 52.1 20.9 0.59| 6.6 3.9 3000 214 12 179 6| 2.1 1.2 3.3| 56.4 -7.4 49.0 16.3 0.49| 6.0 2.9 4000 205 11 163 6| 1.6 2.3 3.8| 56.4 -38.1 18.3 4.6 0.14| 6.1 0.9 5000 205 11 160 6| 1.3 2.1 3.3| 56.4 -80.2 -23.9 -4.8 -0.06| 6.0 -0.4 6000 208 11 161 5| 0.6 1.8 2.4| 63.0 -91.7 -28.7 -4.8 -0.08| 5.9 -0.5 Wrote GIF file: /home/apache/climate/data/raob//U3472/skewt/U3472.skewt.20260118.12.gif