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 U1946... Searching the city database file for: U1946 ... Date:0000Z 20 JAN 26 Station: U1946 WMO ident: 21946 Latitude: 70.62 Longitude: 147.90 ------------------------------------------------------------------------------- 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 1028 48 -26.3 -29.4 75 3.1 -26.6 290 5 244.9 245.0 244.8 245.8 0.33 1 1010 176 -22.3 -25.9 72 3.6 -22.7 277 13 250.1 250.2 249.8 251.4 0.46 2 1000 249 -22.3 -25.6 74 3.3 -22.7 270 17 250.9 250.9 250.5 252.1 0.48 3 940 704 -22.5 -25.7 75 3.2 -22.9 270 12 255.1 255.2 254.2 256.5 0.50 4 925 822 -21.5 -24.5 77 3.0 -21.9 270 11 257.3 257.4 256.2 258.9 0.57 5 905 983 -20.5 -23.3 78 2.8 -20.9 253 10 260.0 260.1 258.5 261.8 0.65 6 850 1447 -20.3 -22.9 80 2.6 -20.7 205 7 264.9 265.0 262.4 266.9 0.71 7 832 1606 -20.5 -23.5 77 3.0 -21.0 198 7 266.3 266.4 263.4 268.3 0.69 8 751 2356 -25.7 -28.9 74 3.2 -26.1 167 7 268.6 268.6 264.6 269.9 0.47 9 714 2723 -24.7 -27.5 77 2.8 -25.1 151 7 273.6 273.7 268.2 275.2 0.56 10 700 2867 -25.3 -28.3 76 3.0 -25.6 145 7 274.5 274.6 268.7 276.1 0.53 11 642 3492 -27.7 -31.2 72 3.5 -28.1 151 6 278.6 278.7 271.1 280.0 0.44 12 500 5250 -38.1 -44.1 53 6.0 -38.4 170 5 286.6 286.6 275.2 287.1 0.15 13 400 6760 -46.3 -52.3 51 6.0 -46.5 195 5 294.8 294.8 279.1 295.1 0.08 14 376 7167 -48.9 -54.9 50 6.0 -49.1 179 5 296.6 296.6 279.9 296.9 0.06 15 300 8630 -53.7 -60.7 42 7.0 -53.8 120 3 309.7 309.7 285.2 309.8 0.04 16 296 8716 -54.1 -61.1 42 7.0 -54.2 120 3 310.3 310.3 285.5 310.4 0.03 17 250 9800 -54.1 -61.1 42 7.0 -54.2 145 17 325.6 325.6 290.5 325.8 0.04 18 231 10307 -54.1 -61.1 42 7.0 -54.2 333.1 333.1 292.6 333.3 0.04 TRP 296 8716 -54.1 -61.1 42 7.0 -54.2 120 3 310.3 310.3 285.5 310.4 0.03 WND Sounding variables and indices 1000-500 mb thick: 5001.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.11 inches Sfc-500 mean rel hum: 71.26 % Est. max temperature: -8.74 C = 16.27 F Sfc-Lift cond lev (LCL): 975.92 mb = 428.10 m = 1404.50 ft T: -22.38 C 700-500 lapse rate: 5.37 C/km ThetaE index: 0.00 C Layer 1028.0- -4.1 mb Conv cond level (CCL): 588.75 mb = 4100.65 m = 13453.40 ft Mean mixing ratio: 0.47 g/kg Conv temperature: 10.49 C = 50.88 F Cap Strength: 22.32 C Lifted Index: 27.21 C Risk: None Lifted Index @300 mb: 39.80 C Lifted Index @700 mb: 19.21 C Showalter Index: 16.26 C Risk: None Total Totals Index: 33.00 C Risk: None Vertical Totals Index: 17.80 C Cross Totals Index: 15.20 C K Index: -8.10 Risk: None Sweat Index: 19.00 Risk: None Energy Index: 4.27 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 28.52 J/kg Max Up Vert Vel: 7.55 m/s Conv Inhibition (B-): 11312.90 J/kg Cap Strength: 27.00 C Lift Cond Lev (LCL): 925.89 mb = 814.95 m = 2673.69 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 225 at 5 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 1028 48 290 5 4.7 -1.7 | 352 6 0.8 -5.6 1 1000 249 270 17 17.0 -0.0 | 286 14 13.1 -3.9 2 925 822 270 11 11.0 -0.0 | 299 8 7.1 -3.9 3 850 1447 205 7 3.0 6.3 | 159 3 -0.9 2.5 4 700 2867 145 7 -4.0 5.7 | 103 8 -7.9 1.9 5 500 5250 170 5 -0.9 4.9 | 103 5 -4.8 1.1 6 400 6760 195 5 1.3 4.8 | 110 3 -2.6 1.0 7 300 8630 120 3 -2.6 1.5 | 70 7 -6.5 -2.4 8 296 8716 120 3 -2.6 1.5 | 70 7 -6.5 -2.4 9 250 9800 145 17 -9.8 13.9 | 126 17 -13.6 10.1 Wind Parameters Mean winds (0-6000m): 195.2 at 7.3 knts Storm direction: 225.2 at 5.5 knts Shear (0-3000m) pos: 0.0 neg: 1.9 tot: 1.9 10-3/s Storm rel Dir Shear (0-3000m): 111.9 deg Storm rel helicity (0-3000m) pos: 5.2 neg: -37.8 tot: -32.6 m^2/s^2 ave: -10.9 10^-3 m/s^2 rel: -0.58 Storm rel vorticity (0-3000m) horiz: 6.3 stream: -3.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.12 Bulk Shear: 25.37 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 ------------------------------------------------------------------------------- 500 271 14 293 11| 0.0 9.6 9.6| 3.0 -21.8 -18.8 -37.5 -0.57| 16.3 -9.3 1000 269 13 293 9| 0.0 3.5 3.5| 5.1 -26.3 -21.1 -21.1 -0.48| 11.8 -5.6 1500 261 11 287 7| 0.0 2.9 2.9| 5.1 -31.1 -26.0 -17.3 -0.57| 10.3 -5.9 2000 250 10 274 6| 0.0 2.6 2.6| 5.1 -32.8 -27.7 -13.8 -0.57| 8.4 -4.8 2500 239 9 257 4| 0.0 2.3 2.3| 5.1 -35.5 -30.4 -12.2 -0.58| 7.3 -4.2 3000 229 9 236 4| 0.0 1.9 1.9| 5.2 -37.8 -32.6 -10.9 -0.58| 6.3 -3.7 4000 211 8 188 3| 0.2 1.4 1.6| 5.6 -37.8 -32.3 -8.1 -0.56| 4.9 -2.7 5000 200 8 160 4| 0.3 1.2 1.4| 5.6 -38.1 -32.5 -6.5 -0.54| 4.1 -2.2 6000 195 7 148 4| 0.4 1.0 1.3| 6.0 -38.2 -32.2 -5.4 -0.52| 3.5 -1.8 Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20260120.00.gif