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 U1946... Searching the city database file for: U1946 ... Date:1200Z 18 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 1022 43 -19.3 -21.7 81 2.4 -19.6 280 11 252.3 252.4 252.1 254.0 0.66 1 1000 204 -20.5 -24.0 73 3.5 -20.9 280 21 252.6 252.7 252.2 254.1 0.55 2 997 226 -20.5 -23.9 74 3.4 -20.9 281 21 252.9 253.0 252.4 254.4 0.56 3 954 557 -13.9 -16.4 81 2.5 -14.4 292 16 262.8 262.9 261.6 265.8 1.11 4 925 792 -12.9 -14.6 87 1.7 -13.3 300 13 266.1 266.3 264.5 269.8 1.33 5 886 1121 -12.3 -13.9 88 1.6 -12.7 323 12 270.0 270.3 267.4 274.1 1.47 6 850 1436 -14.3 -17.2 79 2.9 -14.9 345 11 271.2 271.4 267.7 274.5 1.17 7 721 2664 -23.7 -26.5 78 2.8 -24.1 311 16 273.9 274.0 268.5 275.7 0.61 8 713 2745 -23.5 -26.3 78 2.8 -23.9 309 16 275.0 275.1 269.2 276.9 0.63 9 705 2828 -21.1 -23.9 78 2.8 -21.5 306 17 278.6 278.7 271.6 280.9 0.79 10 700 2881 -21.3 -24.0 79 2.7 -21.7 305 17 278.9 279.0 271.9 281.2 0.78 11 537 4785 -35.5 -40.0 63 4.5 -35.8 313 8 283.9 283.9 273.8 284.6 0.22 12 500 5280 -38.1 -42.7 62 4.6 -38.4 315 5 286.6 286.6 275.2 287.2 0.18 13 400 6780 -47.9 -52.3 60 4.4 -48.0 285 7 292.7 292.7 278.2 293.0 0.08 14 302 8588 -58.5 -63.0 56 4.5 -58.6 290 11 302.3 302.3 282.4 302.4 0.03 15 300 8630 -58.5 -63.0 56 4.5 -58.6 290 11 302.9 302.9 282.6 303.0 0.03 16 294 8758 -58.9 -63.4 56 4.5 -59.0 290 11 304.1 304.1 283.1 304.2 0.03 17 257 9606 -59.7 -64.2 56 4.5 -59.7 298 13 314.8 314.8 287.1 314.9 0.03 18 250 9780 -58.3 -63.0 55 4.7 -58.4 300 13 319.4 319.4 288.6 319.5 0.03 19 246 9881 -57.3 -62.1 54 4.8 -57.4 299 13 322.4 322.4 289.5 322.5 0.04 20 214 10760 -55.9 -60.9 53 5.0 -56.0 286 12 337.6 337.7 293.8 337.9 0.05 21 200 11190 -54.5 -59.5 54 5.0 -54.6 280 11 346.5 346.5 295.9 346.7 0.06 22 150 13040 -51.3 -58.3 43 7.0 -51.6 215 9 381.7 381.7 302.6 382.1 0.10 23 100 15700 -48.5 -58.5 30 10.0 -49.3 215 19 434.0 434.1 309.3 434.8 0.14 24 76 17516 -46.3 -58.3 24 12.0 -47.6 203 19 474.1 474.1 313.1 475.2 0.19 25 70 18060 -48.7 -60.7 24 12.0 -49.8 200 19 480.2 480.2 313.5 481.1 0.15 26 52 20004 -52.1 -65.1 20 13.0 -53.2 204 34 514.9 514.9 316.0 515.6 0.12 27 50 20260 -50.3 -64.3 18 14.0 -51.7 205 36 524.9 525.0 316.6 525.8 0.13 28 47 20663 -50.1 -64.1 18 14.0 -51.5 204 38 534.8 534.8 317.3 535.8 0.15 29 38 22030 -55.9 -69.9 16 14.0 -56.9 202 44 553.5 553.6 318.3 554.1 0.08 30 35 22552 -55.7 -69.7 16 14.0 -56.8 202 46 567.2 567.3 319.0 567.9 0.09 31 33 22929 -52.5 -66.5 17 14.0 -54.1 201 47 585.3 585.4 320.0 586.4 0.15 32 30 23540 -55.1 -69.1 16 14.0 -56.4 200 50 594.4 594.5 320.4 595.3 0.12 33 25 24692 -58.3 -72.3 15 14.0 -59.4 198 54 617.1 617.1 321.4 617.7 0.09 34 20 26100 -56.1 -70.1 16 14.0 -57.8 195 58 664.5 664.5 323.3 665.7 0.15 35 17 27136 -54.9 -69.9 14 15.0 -57.1 699.9 700.0 324.5 701.5 0.18 TRP 294 8758 -58.9 -63.4 56 4.5 -59.0 290 11 304.1 304.1 283.1 304.2 0.03 WND Sounding variables and indices 1000-500 mb thick: 5076.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.18 inches Sfc-500 mean rel hum: 75.00 % Est. max temperature: -0.99 C = 30.22 F Sfc-Lift cond lev (LCL): 982.50 mb = 336.12 m = 1102.75 ft T: -18.31 C 700-500 lapse rate: 7.00 C/km ThetaE index: 0.00 C Layer 1022.0- 0.0 mb Conv cond level (CCL): 1000.00 mb = 204.00 m = 669.28 ft Mean mixing ratio: 0.91 g/kg Conv temperature: -16.64 C = 2.04 F Cap Strength: 19.09 C Lifted Index: 20.83 C Risk: None Lifted Index @300 mb: 29.49 C Lifted Index @700 mb: 16.47 C Showalter Index: 10.19 C Risk: None Total Totals Index: 44.70 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.80 C Cross Totals Index: 20.90 C K Index: 3.90 Risk: None Sweat Index: 27.00 Risk: None Energy Index: 2.66 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 57.49 J/kg Max Up Vert Vel: 10.72 m/s Conv Inhibition (B-): 67346.42 J/kg Cap Strength: 20.42 C Lift Cond Lev (LCL): 938.92 mb = 678.27 m = 2225.27 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 339 at 9 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 1022 43 280 11 10.8 -1.9 | 230 10 7.6 6.3 1 1000 204 280 21 20.7 -3.6 | 255 18 17.4 4.6 2 925 792 300 13 11.3 -6.5 | 258 8 8.0 1.7 3 850 1436 345 11 2.8 -10.6 | 9 2 -0.4 -2.4 4 700 2881 305 17 13.9 -9.8 | 278 11 10.7 -1.5 5 500 5280 315 5 3.5 -3.5 | 184 5 0.3 4.7 6 400 6780 285 7 6.8 -1.8 | 209 7 3.5 6.4 7 300 8630 290 11 10.3 -3.8 | 238 8 7.1 4.5 8 294 8758 290 11 10.3 -3.8 | 238 8 7.1 4.5 9 250 9780 300 13 11.3 -6.5 | 258 8 8.0 1.7 10 200 11190 280 11 10.8 -1.9 | 230 10 7.6 6.3 11 150 13040 215 9 5.2 7.4 | 187 16 1.9 15.6 12 100 15700 215 19 10.9 15.6 | 198 25 7.7 23.8 13 70 18060 200 19 6.5 17.9 | 187 26 3.3 26.1 14 50 20260 205 36 15.2 32.6 | 196 43 12.0 40.9 15 30 23540 200 50 17.1 47.0 | 194 57 13.9 55.2 16 20 26100 195 58 15.0 56.0 | 190 65 11.8 64.3 Wind Parameters Mean winds (0-6000m): 308.5 at 11.8 knts Storm direction: 338.5 at 8.8 knts Shear (0-3000m) pos: 2.0 neg: 1.7 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 46.8 deg Storm rel helicity (0-3000m) pos: 32.2 neg: -12.8 tot: 19.4 m^2/s^2 ave: 6.5 10^-3 m/s^2 rel: 0.15 Storm rel vorticity (0-3000m) horiz: 6.9 stream: 1.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 5.77 Bulk Shear: 9.97 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 ------------------------------------------------------------------------------- 500 284 18 254 15| 6.2 0.0 6.2| 24.3 0.0 24.3 48.6 0.47| 15.2 7.1 1000 290 16 257 12| 3.9 0.0 3.9| 28.3 -0.4 27.9 27.9 0.40| 11.7 4.7 1500 301 14 264 9| 4.0 0.0 4.0| 32.2 -0.8 31.4 20.9 0.45| 10.0 4.5 2000 308 14 273 8| 3.0 0.9 3.9| 32.2 -3.5 28.7 14.4 0.32| 8.4 2.7 2500 311 14 277 7| 2.4 1.6 3.9| 32.2 -7.8 24.4 9.8 0.22| 7.6 1.6 3000 309 14 277 8| 2.0 1.7 3.7| 32.2 -12.8 19.4 6.5 0.15| 6.9 1.0 4000 309 14 275 8| 1.8 1.3 3.0| 32.2 -17.1 15.1 3.8 0.08| 5.8 0.5 5000 309 13 270 7| 1.7 1.0 2.7| 32.2 -22.2 10.0 2.0 -0.01| 5.2 -0.1 6000 309 12 262 6| 1.4 0.9 2.3| 34.0 -23.2 10.8 1.8 -0.00| 4.6 -0.0 Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20260118.12.gif