UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011600.upa.cvt Date: 0000Z 16 JAN 26 Searching for U1946... Searching the city database file for: U1946 ... Date:0000Z 16 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 1030 48 -32.3 -35.8 71 3.5 -32.5 240 5 238.8 238.8 238.7 239.3 0.17 1 1029 55 -29.9 -34.0 67 4.1 -30.2 240 5 241.3 241.3 241.1 241.8 0.21 2 1028 62 -27.5 -31.6 68 4.1 -27.8 240 5 243.7 243.8 243.6 244.4 0.26 3 1000 260 -25.3 -29.2 70 3.9 -25.6 245 11 247.9 247.9 247.5 248.8 0.34 4 994 304 -24.5 -28.4 70 3.9 -24.9 247 11 249.1 249.1 248.7 250.1 0.37 5 962 543 -24.7 -28.7 69 4.0 -25.1 257 12 251.2 251.3 250.6 252.2 0.37 6 925 832 -19.9 -23.9 70 4.0 -20.4 270 13 259.0 259.1 257.6 260.6 0.60 7 913 929 -18.7 -22.4 73 3.7 -19.3 272 13 261.2 261.3 259.5 263.1 0.69 8 872 1271 -20.1 -23.0 78 2.9 -20.5 280 13 263.2 263.3 261.0 265.1 0.69 9 857 1400 -17.9 -20.8 78 2.9 -18.4 284 13 266.8 266.9 264.0 269.2 0.85 10 850 1461 -17.9 -20.8 78 2.9 -18.4 285 13 267.4 267.5 264.5 269.8 0.86 11 816 1766 -17.9 -21.1 76 3.2 -18.4 283 16 270.5 270.7 266.7 273.0 0.87 12 799 1923 -17.3 -22.3 65 5.0 -18.1 282 17 272.8 272.9 268.1 275.1 0.80 13 722 2676 -21.7 -33.7 33 12.0 -23.1 277 25 276.0 276.1 269.2 277.0 0.31 14 700 2903 -22.7 -33.7 36 11.0 -23.9 275 27 277.3 277.4 270.1 278.3 0.32 15 655 3385 -25.9 -35.9 39 10.0 -26.9 274 29 279.1 279.1 271.1 279.9 0.27 16 500 5280 -39.7 -49.7 34 10.0 -40.1 270 36 284.6 284.6 273.9 284.9 0.08 17 495 5349 -40.3 -50.3 33 10.0 -40.7 270 38 284.7 284.7 274.0 285.0 0.08 18 400 6780 -47.9 -58.9 27 11.0 -48.1 275 75 292.7 292.7 278.1 292.9 0.03 19 306 8506 -58.1 -69.1 23 11.0 -58.2 275 97 301.7 301.7 282.1 301.7 0.01 20 300 8630 -58.9 -69.9 23 11.0 -59.0 275 97 302.3 302.3 282.3 302.4 0.01 21 276 9153 -61.5 -72.5 22 11.0 -61.6 270 93 305.9 305.9 283.7 305.9 0.01 22 250 9770 -61.3 -72.3 22 11.0 -61.4 275 64 314.9 314.9 287.1 315.0 0.01 23 200 11160 -59.5 -69.5 26 10.0 -59.6 260 44 338.5 338.5 294.0 338.6 0.02 24 150 12970 -57.5 -68.5 23 11.0 -57.7 260 29 371.0 371.0 300.8 371.1 0.03 25 115 14650 -57.1 -69.1 20 12.0 -57.4 401.0 401.1 305.3 401.2 0.03 TRP 276 9153 -61.5 -72.5 22 11.0 -61.6 270 93 305.9 305.9 283.7 305.9 0.01 WND 306 8506 -58.1 -69.1 23 11.0 -58.2 275 97 301.7 301.7 282.1 301.7 0.01 Sounding variables and indices 1000-500 mb thick: 5020.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.10 inches Sfc-500 mean rel hum: 50.85 % Est. max temperature: -8.16 C = 17.32 F Sfc-Lift cond lev (LCL): 970.28 mb = 480.34 m = 1575.90 ft T: -24.65 C 700-500 lapse rate: 7.15 C/km ThetaE index: 0.00 C Layer 1030.0- -0.0 mb Conv cond level (CCL): 1029.00 mb = 55.27 m = 181.32 ft Mean mixing ratio: 0.38 g/kg Conv temperature: -27.66 C = -17.78 F Cap Strength: 24.82 C Lifted Index: 27.43 C Risk: None Lifted Index @300 mb: 36.24 C Lifted Index @700 mb: 23.86 C Showalter Index: 12.31 C Risk: None Total Totals Index: 40.70 C Risk: None Vertical Totals Index: 21.80 C Cross Totals Index: 18.90 C K Index: -10.00 Risk: None Sweat Index: 62.00 Risk: None Energy Index: 3.21 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 42.61 J/kg Max Up Vert Vel: 9.23 m/s Conv Inhibition (B-): 23938.51 J/kg Cap Strength: 27.31 C Lift Cond Lev (LCL): 919.49 mb = 876.40 m = 2875.31 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 302 at 20 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 1030 48 240 5 4.3 2.5 | 137 18 -12.2 13.0 1 1000 260 245 11 10.0 4.6 | 157 17 -6.6 15.2 2 925 832 270 13 13.0 -0.0 | 161 11 -3.5 10.5 3 850 1461 285 13 12.6 -3.4 | 151 8 -4.0 7.2 4 700 2903 275 27 26.9 -2.4 | 232 13 10.4 8.2 5 500 5280 270 36 36.0 -0.0 | 242 22 19.5 10.5 6 400 6780 275 75 74.7 -6.5 | 266 58 58.2 4.0 7 306 8506 275 97 96.6 -8.5 | 269 80 80.1 2.1 8 300 8630 275 97 96.6 -8.5 | 269 80 80.1 2.1 9 276 9153 270 93 93.0 -0.0 | 262 77 76.5 10.5 10 250 9770 275 64 63.8 -5.6 | 264 47 47.2 5.0 11 200 11160 260 44 43.3 7.6 | 236 32 26.8 18.2 12 150 12970 260 29 28.6 5.0 | 218 20 12.0 15.6 Wind Parameters Mean winds (0-6000m): 272.5 at 26.1 knts Storm direction: 302.5 at 19.6 knts Shear (0-3000m) pos: 1.9 neg: 2.4 tot: 4.3 10-3/s Storm rel Dir Shear (0-3000m): 95.9 deg Storm rel helicity (0-3000m) pos: 57.3 neg: -4.1 tot: 53.2 m^2/s^2 ave: 17.7 10^-3 m/s^2 rel: 0.57 Storm rel vorticity (0-3000m) horiz: 5.1 stream: 2.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.05 Bulk Shear: 40.43 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 ------------------------------------------------------------------------------- 500 249 10 153 16| 7.6 0.0 7.6| 30.1 0.0 30.1 60.2 0.78| 8.9 7.0 1000 260 11 157 14| 4.8 0.0 4.8| 31.2 -1.2 30.1 30.1 0.53| 6.5 3.4 1500 267 12 157 12| 3.7 0.0 3.7| 32.7 -4.1 28.6 19.1 0.39| 5.4 2.1 2000 272 13 160 11| 2.8 1.3 4.1| 41.8 -4.1 37.7 18.8 0.53| 5.3 2.8 2500 274 15 168 10| 2.2 2.0 4.3| 50.6 -4.1 46.6 18.6 0.58| 5.3 3.1 3000 274 16 179 9| 1.9 2.4 4.3| 57.3 -4.1 53.2 17.7 0.57| 5.1 2.9 4000 274 20 198 10| 1.4 2.3 3.7| 63.2 -4.1 59.2 14.8 0.55| 4.3 2.4 5000 273 23 212 11| 1.1 2.3 3.4| 68.0 -4.1 64.0 12.8 0.52| 3.9 2.0 6000 272 26 226 13| 2.7 1.9 4.5|138.9 -4.1 134.8 22.5 0.48| 5.0 2.4 Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20260116.00.gif