UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011900.upa.cvt Date: 0000Z 19 JAN 26 Searching for U1946... Searching the city database file for: U1946 ... Date:0000Z 19 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 1021 47 -17.9 -19.9 84 2.0 -18.2 310 7 253.7 253.9 253.6 255.8 0.77 1 1020 54 -19.3 -22.6 75 3.3 -19.7 310 8 252.4 252.5 252.1 254.1 0.61 2 1000 202 -17.7 -20.8 77 3.1 -18.1 300 21 255.4 255.6 255.0 257.4 0.73 3 967 453 -16.3 -18.9 80 2.6 -16.7 309 20 259.3 259.5 258.5 261.7 0.89 4 925 786 -17.5 -20.1 80 2.6 -17.9 320 19 261.4 261.5 260.0 263.7 0.84 5 897 1016 -18.1 -20.7 80 2.6 -18.5 296 15 263.1 263.2 261.3 265.4 0.82 6 852 1403 -16.1 -18.4 82 2.3 -16.6 257 9 269.1 269.3 266.1 272.1 1.05 7 850 1421 -16.1 -18.4 82 2.3 -16.6 255 9 269.3 269.5 266.2 272.3 1.05 8 786 2007 -18.7 -21.4 79 2.7 -19.2 263 7 272.6 272.7 268.1 275.1 0.88 9 700 2858 -25.7 -28.7 76 3.0 -26.1 275 3 274.0 274.1 268.4 275.6 0.51 10 651 3378 -30.3 -33.0 77 2.7 -30.6 274 4 274.6 274.6 268.4 275.7 0.36 11 643 3466 -28.1 -30.7 78 2.6 -28.4 274 5 278.0 278.1 270.8 279.4 0.46 12 500 5230 -38.7 -44.7 53 6.0 -39.0 270 9 285.9 285.9 274.8 286.3 0.14 13 400 6720 -48.9 -53.9 56 5.0 -49.0 270 13 291.4 291.4 277.5 291.7 0.06 14 379 7075 -51.3 -56.0 57 4.7 -51.4 269 13 292.8 292.8 278.2 293.0 0.05 15 320 8168 -56.9 -61.7 54 4.8 -57.0 265 11 299.6 299.6 281.2 299.7 0.03 16 316 8249 -57.1 -61.9 54 4.8 -57.2 265 11 300.4 300.4 281.5 300.5 0.03 17 300 8580 -56.3 -61.1 55 4.8 -56.3 265 11 306.0 306.0 283.8 306.1 0.03 18 265 9362 -57.7 -62.7 53 5.0 -57.8 268 12 315.0 315.0 287.1 315.1 0.03 19 250 9730 -56.1 -61.1 53 5.0 -56.2 270 13 322.7 322.7 289.6 322.8 0.04 20 200 11150 -52.5 -58.5 48 6.0 -52.7 220 9 349.6 349.6 296.6 349.9 0.07 21 150 13020 -50.1 -59.1 34 9.0 -50.5 210 9 383.7 383.8 302.9 384.2 0.09 22 100 15690 -45.7 -58.7 22 13.0 -46.8 190 21 439.4 439.5 309.9 440.2 0.14 23 94 16102 -46.1 -60.1 19 14.0 -47.3 193 23 446.5 446.5 310.6 447.2 0.12 24 70 18050 -49.3 -65.3 14 16.0 -50.5 210 31 478.9 478.9 313.4 479.4 0.08 25 50 20230 -53.7 -69.7 12 16.0 -54.7 185 44 516.9 516.9 316.1 517.3 0.06 26 49 20360 -54.3 -70.3 12 16.0 -55.3 518.5 518.5 316.2 518.9 0.06 TRP 316 8249 -57.1 -61.9 54 4.8 -57.2 265 11 300.4 300.4 281.5 300.5 0.03 WND Sounding variables and indices 1000-500 mb thick: 5028.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.15 inches Sfc-500 mean rel hum: 74.19 % Est. max temperature: -5.05 C = 22.92 F Sfc-Lift cond lev (LCL): 988.09 mb = 291.71 m = 957.03 ft T: -17.20 C 700-500 lapse rate: 5.48 C/km ThetaE index: 1.74 C Layer 1020.0-1000.0 mb Conv cond level (CCL): 728.64 mb = 2563.49 m = 8410.30 ft Mean mixing ratio: 0.80 g/kg Conv temperature: 2.03 C = 35.66 F Cap Strength: 15.94 C Lifted Index: 20.99 C Risk: None Lifted Index @300 mb: 32.36 C Lifted Index @700 mb: 12.89 C Showalter Index: 11.38 C Risk: None Total Totals Index: 42.90 C Risk: None Vertical Totals Index: 22.60 C Cross Totals Index: 20.30 C K Index: 1.20 Risk: None Sweat Index: 27.00 Risk: None Energy Index: 2.92 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 32.83 J/kg Max Up Vert Vel: 8.10 m/s Conv Inhibition (B-): 40755.18 J/kg Cap Strength: 20.75 C Lift Cond Lev (LCL): 927.03 mb = 769.62 m = 2524.96 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 313 at 7 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 1021 47 310 7 5.4 -4.5 | 267 0 0.5 0.0 1 1000 202 300 21 18.2 -10.5 | 294 15 13.3 -6.0 2 925 786 320 19 12.2 -14.6 | 324 12 7.3 -10.0 3 850 1421 255 9 8.7 2.3 | 209 8 3.8 6.9 4 700 2858 275 3 3.0 -0.3 | 156 5 -1.9 4.3 5 500 5230 270 9 9.0 -0.0 | 222 6 4.1 4.5 6 400 6720 270 13 13.0 -0.0 | 241 9 8.1 4.5 7 316 8249 265 11 11.0 1.0 | 228 8 6.0 5.5 8 300 8580 265 11 11.0 1.0 | 228 8 6.0 5.5 9 250 9730 270 13 13.0 -0.0 | 241 9 8.1 4.5 10 200 11150 220 9 5.8 6.9 | 184 11 0.9 11.4 11 150 13020 210 9 4.5 7.8 | 178 12 -0.4 12.3 12 100 15690 190 21 3.6 20.7 | 177 25 -1.3 25.2 13 70 18050 210 31 15.5 26.8 | 199 33 10.6 31.4 14 50 20230 185 44 3.8 43.8 | 179 48 -1.1 48.4 Wind Parameters Mean winds (0-6000m): 282.7 at 8.9 knts Storm direction: 312.7 at 6.7 knts Shear (0-3000m) pos: 2.0 neg: 2.8 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): -105.4 deg Storm rel helicity (0-3000m) pos: 22.0 neg: -48.8 tot: -26.8 m^2/s^2 ave: -8.9 10^-3 m/s^2 rel: -0.30 Storm rel vorticity (0-3000m) horiz: 7.8 stream: -2.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.17 Bulk Shear: 15.15 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 ------------------------------------------------------------------------------- 500 305 18 301 12| 13.2 0.0 13.2| 13.6 -0.5 13.1 26.2 0.34| 18.6 6.2 1000 308 18 306 12| 6.6 3.8 10.4| 21.5 -21.5 0.0 0.0 0.02| 15.0 0.3 1500 303 16 297 9| 4.4 5.7 10.1| 21.5 -42.7 -21.1 -14.1 -0.24| 13.6 -3.2 2000 298 14 285 8| 3.2 4.2 7.5| 21.5 -44.8 -23.2 -11.6 -0.26| 10.8 -2.7 2500 294 12 274 6| 2.5 3.4 5.9| 21.5 -47.3 -25.7 -10.3 -0.29| 9.1 -2.6 3000 292 11 265 5| 2.0 2.8 4.9| 22.0 -48.8 -26.8 -8.9 -0.30| 7.8 -2.3 4000 290 9 249 4| 1.5 2.0 3.5| 24.8 -48.8 -23.9 -6.0 -0.23| 6.2 -1.4 5000 286 9 239 4| 1.2 1.6 2.8| 27.6 -48.8 -21.2 -4.2 -0.18| 5.2 -0.9 6000 283 9 236 5| 1.0 1.3 2.3| 30.7 -48.8 -18.0 -3.0 -0.13| 4.6 -0.6 Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20260119.00.gif