UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120900.upa.cvt Date: 0000Z 9 DEC 25 Searching for U1946... Searching the city database file for: U1946 ... Date:0000Z 9 DEC 25 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 1013 50 -36.1 -39.7 69 3.6 -36.2 250 7 236.2 236.2 236.1 236.5 0.12 1 1000 140 -32.3 -35.8 71 3.5 -32.5 245 15 240.9 240.9 240.7 241.3 0.18 2 974 328 -24.5 -28.1 72 3.6 -24.8 243 15 250.5 250.6 250.0 251.6 0.39 3 925 701 -25.1 -29.8 65 4.7 -25.5 240 15 253.6 253.7 252.6 254.6 0.35 4 904 867 -25.5 -30.5 63 5.0 -25.9 239 17 254.9 255.0 253.7 255.8 0.33 5 850 1310 -29.3 -33.9 64 4.6 -29.6 235 21 255.5 255.5 254.0 256.2 0.26 6 849 1318 -29.3 -33.9 64 4.6 -29.6 235 21 255.5 255.6 254.0 256.3 0.26 7 797 1769 -30.3 -34.3 68 4.0 -30.6 233 27 259.1 259.2 257.0 259.9 0.26 8 780 1924 -28.1 -32.7 65 4.6 -28.5 233 29 263.1 263.1 260.2 264.0 0.31 9 717 2529 -27.9 -32.9 62 5.0 -28.3 231 36 269.7 269.8 265.1 270.7 0.33 10 700 2701 -28.7 -34.7 56 6.0 -29.2 230 38 270.7 270.7 265.7 271.6 0.29 11 657 3153 -31.7 -37.7 55 6.0 -32.1 230 37 272.3 272.3 266.7 273.0 0.23 12 514 4870 -37.9 -44.9 48 7.0 -38.2 230 32 284.6 284.6 274.0 285.0 0.14 13 500 5060 -38.9 -45.9 48 7.0 -39.2 230 31 285.6 285.6 274.6 286.0 0.13 14 400 6560 -46.5 -55.5 35 9.0 -46.7 220 38 294.6 294.6 279.0 294.7 0.05 15 305 8315 -57.1 -67.1 27 10.0 -57.2 215 33 303.4 303.4 282.8 303.5 0.02 16 300 8420 -56.3 -65.3 31 9.0 -56.4 215 33 306.0 306.0 283.8 306.1 0.02 17 250 9580 -53.9 -63.9 28 10.0 -54.1 220 31 325.9 325.9 290.6 326.0 0.03 18 200 11010 -52.9 -63.9 25 11.0 -53.2 200 29 349.0 349.0 296.4 349.2 0.04 19 172 11985 -50.7 -63.7 20 13.0 -51.1 192 29 368.0 368.0 300.2 368.2 0.04 20 150 12870 -53.3 -68.3 14 15.0 -53.7 185 29 378.2 378.2 302.0 378.4 0.03 21 139 13359 -53.9 -68.9 14 15.0 -54.3 189 30 385.5 385.5 303.1 385.6 0.03 22 100 15480 -52.5 -72.5 7 20.0 -53.2 205 36 426.3 426.3 308.4 426.4 0.02 23 88 16301 -55.3 -75.3 7 20.0 -55.9 436.6 436.6 309.6 436.6 0.02 TRP 305 8315 -57.1 -67.1 27 10.0 -57.2 215 33 303.4 303.4 282.8 303.5 0.02 WND Sounding variables and indices 1000-500 mb thick: 4920.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.06 inches Sfc-500 mean rel hum: 59.04 % Est. max temperature: -16.88 C = 1.61 F Sfc-Lift cond lev (LCL): 951.91 mb = 493.59 m = 1619.36 ft T: -24.77 C 700-500 lapse rate: 4.32 C/km ThetaE index: 0.00 C Layer 1013.0-89129.0 mb Conv cond level (CCL): 1000.00 mb = 140.00 m = 459.31 ft Mean mixing ratio: 0.32 g/kg Conv temperature: -29.08 C = -20.34 F Cap Strength: 28.70 C Lifted Index: 29.34 C Risk: None Lifted Index @300 mb: 39.77 C Lifted Index @700 mb: 18.98 C Showalter Index: 24.19 C Risk: None Total Totals Index: 14.60 C Risk: None Vertical Totals Index: 9.60 C Cross Totals Index: 5.00 C K Index: -30.30 Risk: None Sweat Index: 73.00 Risk: None Energy Index: 6.37 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 64.11 J/kg Max Up Vert Vel: 11.32 m/s Conv Inhibition (B-): 30343.76 J/kg Cap Strength: 29.02 C Lift Cond Lev (LCL): 906.88 mb = 844.37 m = 2770.21 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 261 at 22 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 1013 50 250 7 6.6 2.4 | 86 15 -15.2 -1.1 1 1000 140 245 15 13.6 6.3 | 109 9 -8.1 2.8 2 925 701 240 15 13.0 7.5 | 115 10 -8.7 4.0 3 850 1310 235 21 17.2 12.0 | 152 10 -4.5 8.5 4 700 2701 230 38 29.1 24.4 | 199 22 7.4 20.9 5 500 5060 230 31 23.7 19.9 | 187 17 2.0 16.4 6 400 6560 220 38 24.4 29.1 | 186 26 2.7 25.6 7 305 8315 215 33 18.9 27.0 | 173 24 -2.8 23.5 8 300 8420 215 33 18.9 27.0 | 173 24 -2.8 23.5 9 250 9580 220 31 19.9 23.7 | 175 20 -1.8 20.2 10 200 11010 200 29 9.9 27.3 | 154 27 -11.8 23.8 11 150 12870 185 29 2.5 28.9 | 143 32 -19.2 25.4 12 100 15480 205 36 15.2 32.6 | 167 30 -6.5 29.1 Wind Parameters Mean winds (0-6000m): 230.9 at 29.4 knts Storm direction: 260.9 at 22.0 knts Shear (0-3000m) pos: 0.0 neg: 5.2 tot: 5.2 10-3/s Storm rel Dir Shear (0-3000m): 112.2 deg Storm rel helicity (0-3000m) pos: 69.7 neg: -2.7 tot: 67.0 m^2/s^2 ave: 22.3 10^-3 m/s^2 rel: 0.66 Storm rel vorticity (0-3000m) horiz: 5.8 stream: 3.8 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 1.95 Bulk Shear: 32.94 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 ------------------------------------------------------------------------------- 500 244 14 107 9| 0.0 8.4 8.4| 15.3 0.0 15.3 30.7 0.60| 9.4 5.7 1000 241 15 114 9| 0.0 6.0 6.0| 24.2 0.0 24.2 24.2 0.71| 6.6 4.7 1500 239 17 127 9| 0.0 5.9 5.9| 37.8 0.0 37.8 25.2 0.78| 6.4 5.0 2000 237 20 143 9| 0.0 6.0 6.0| 52.6 0.0 52.6 26.3 0.77| 6.4 4.9 2500 235 22 159 10| 0.0 6.1 6.1| 66.3 0.0 66.3 26.5 0.71| 6.4 4.5 3000 234 25 170 11| 0.0 5.2 5.2| 69.7 -2.7 67.0 22.3 0.66| 5.8 3.8 4000 233 27 180 13| 0.0 3.5 3.5| 69.7 -11.5 58.1 14.5 0.56| 4.7 2.6 5000 232 29 183 14| 0.0 2.5 2.5| 69.7 -20.4 49.3 9.9 0.47| 4.1 1.9 6000 231 29 184 15| 0.0 2.5 2.5| 70.1 -21.3 48.9 8.1 0.40| 3.9 1.6 Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20251209.00.gif