UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042212.upa.cvt Date: 1200Z 22 APR 25 Searching for U1946... Searching the city database file for: U1946 ... Date:1200Z 22 APR 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 1011 44 -2.1 -8.1 63 6.0 -4.0 140 5 270.2 270.5 268.5 275.8 2.05 1 1000 132 2.2 -3.8 64 6.0 -0.1 145 15 275.4 275.8 273.1 283.3 2.88 2 997 156 2.8 -4.2 60 7.0 0.1 146 15 276.2 276.7 273.4 284.0 2.80 3 963 438 4.8 -4.2 52 9.0 1.2 155 20 281.0 281.5 276.2 289.2 2.90 4 925 764 2.8 -7.2 48 10.0 -0.9 165 25 282.2 282.6 276.2 289.1 2.40 5 862 1333 0.6 -23.4 15 24.0 -5.4 165 22 285.6 285.7 275.5 287.7 0.67 6 850 1445 0.0 -23.0 16 23.0 -5.8 165 21 286.1 286.3 275.8 288.3 0.71 7 741 2532 -6.7 -14.7 53 8.0 -9.1 169 18 290.3 290.6 279.2 295.3 1.65 8 700 2974 -9.7 -20.7 40 11.0 -12.4 170 17 291.7 291.9 279.1 295.0 1.05 9 609 4036 -14.9 -28.9 29 14.0 -17.5 108 15 297.6 297.7 281.1 299.5 0.58 10 542 4908 -19.5 -29.5 41 10.0 -21.2 56 14 302.2 302.3 283.1 304.2 0.61 11 504 5442 -23.9 -31.9 48 8.0 -25.1 24 13 303.2 303.3 283.4 305.0 0.52 12 500 5500 -24.1 -32.1 48 8.0 -25.3 20 13 303.7 303.8 283.5 305.4 0.52 13 445 6341 -30.3 -40.3 37 10.0 -31.3 7 13 306.1 306.2 284.2 307.0 0.26 14 400 7090 -37.3 -47.3 35 10.0 -37.9 355 13 306.5 306.5 284.2 307.0 0.13 15 355 7902 -44.7 -53.7 36 9.0 -45.0 353 11 307.2 307.2 284.4 307.5 0.07 16 300 9010 -52.5 -60.5 37 8.0 -52.7 350 9 311.3 311.4 285.8 311.5 0.04 17 263 9852 -58.7 -66.7 35 8.0 -58.8 346 9 314.2 314.2 286.8 314.3 0.02 18 250 10170 -59.9 -67.9 34 8.0 -60.0 345 9 317.0 317.0 287.8 317.1 0.02 19 236 10530 -60.9 -68.9 34 8.0 -61.0 355 5 320.8 320.8 289.0 320.8 0.02 20 228 10745 -60.3 -68.3 34 8.0 -60.4 336 5 324.9 324.9 290.2 324.9 0.02 21 215 11116 -55.3 -64.3 32 9.0 -55.5 304 6 338.1 338.1 293.9 338.3 0.03 22 200 11580 -54.3 -63.3 32 9.0 -54.5 265 7 346.8 346.8 296.0 346.9 0.04 23 181 12223 -50.9 -59.9 34 9.0 -51.2 244 7 362.4 362.4 299.2 362.7 0.07 24 150 13440 -51.7 -63.7 22 12.0 -52.1 205 7 381.0 381.0 302.5 381.2 0.05 25 100 16050 -53.5 -69.5 13 16.0 -54.1 200 5 424.4 424.4 308.2 424.5 0.03 26 81 17406 -53.3 -70.3 11 17.0 -54.0 451.1 451.1 311.0 451.3 0.04 TRP 236 10530 -60.9 -68.9 34 8.0 -61.0 355 5 320.8 320.8 289.0 320.8 0.02 WND Sounding variables and indices 1000-500 mb thick: 5368.00 m Freezing level: Surface below freezing Freezing level: 1005.63 mb = 87.21 m = 286.12 ft Freezing level: 850.00 mb = 1445.00 m = 4740.76 ft Wetbulb zero: Below ground Precipitable water: 0.28 inches Sfc-500 mean rel hum: 38.53 % Est. max temperature: 13.42 C = 56.15 F Sfc-Lift cond lev (LCL): 919.88 mb = 808.75 m = 2653.35 ft T: 2.63 C 700-500 lapse rate: 5.70 C/km ThetaE index: 1.46 C Layer 925.0- 850.0 mb Conv cond level (CCL): 700.96 mb = 2963.34 m = 9722.11 ft Mean mixing ratio: 2.63 g/kg Conv temperature: 19.47 C = 67.05 F Cap Strength: 14.05 C Lifted Index: 14.38 C Risk: None Lifted Index @300 mb: 17.27 C Lifted Index @700 mb: 7.92 C Showalter Index: 13.38 C Risk: None Total Totals Index: 25.20 C Risk: None Vertical Totals Index: 24.10 C Cross Totals Index: 1.10 C K Index: -9.90 Risk: None Sweat Index: 55.00 Risk: None Energy Index: 3.56 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 35.36 J/kg Max Up Vert Vel: 8.41 m/s Conv Inhibition (B-): 20769.44 J/kg Cap Strength: 14.05 C Lift Cond Lev (LCL): 837.43 mb = 1562.95 m = 5127.72 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 183 at 13 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 1011 44 140 5 -3.2 3.8 | 24 10 -3.9 -9.0 1 1000 132 145 15 -8.6 12.3 | 87 9 -9.3 -0.5 2 925 764 165 25 -6.5 24.1 | 148 13 -7.2 11.3 3 850 1445 165 21 -5.4 20.3 | 140 10 -6.2 7.5 4 700 2974 170 17 -3.0 16.7 | 137 5 -3.7 3.9 5 500 5500 20 13 -4.4 -12.2 | 12 26 -5.2 -25.0 6 400 7090 355 13 1.1 -13.0 | 359 26 0.4 -25.8 7 300 9010 350 9 1.6 -8.9 | 358 22 0.8 -21.7 8 250 10170 345 9 2.3 -8.7 | 356 22 1.6 -21.5 9 236 10530 355 5 0.4 -5.0 | 1 18 -0.3 -17.8 10 200 11580 265 7 7.0 0.6 | 333 14 6.3 -12.2 11 150 13440 205 7 3.0 6.3 | 341 7 2.2 -6.5 12 100 16050 200 5 1.7 4.7 | 353 8 1.0 -8.1 Wind Parameters Mean winds (0-6000m): 153.2 at 17.1 knts Storm direction: 183.2 at 12.8 knts Shear (0-3000m) pos: 2.4 neg: 0.3 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): 102.6 deg Storm rel helicity (0-3000m) pos: 53.5 neg: -6.1 tot: 47.4 m^2/s^2 ave: 15.8 10^-3 m/s^2 rel: 0.60 Storm rel vorticity (0-3000m) horiz: 5.4 stream: 3.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 883.50 Bulk Shear: 0.04 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 ------------------------------------------------------------------------------- 500 152 17 103 9| 17.3 0.0 17.3| 41.2 0.0 41.2 82.4 0.98| 18.9 18.5 1000 159 20 128 10| 9.7 0.0 9.7| 53.5 -1.2 52.2 52.2 0.90| 12.3 11.0 1500 161 21 133 10| 5.6 0.0 5.6| 53.5 -3.7 49.7 33.1 0.78| 9.1 7.1 2000 163 21 135 10| 3.9 0.0 3.9| 53.5 -3.9 49.6 24.8 0.73| 7.2 5.3 2500 164 20 136 9| 2.9 0.0 2.9| 53.5 -4.1 49.3 19.7 0.69| 6.0 4.2 3000 164 20 136 9| 2.4 0.3 2.6| 53.5 -6.1 47.4 15.8 0.60| 5.4 3.3 4000 160 19 124 9| 1.8 2.2 4.0| 53.5 -43.6 9.9 2.5 0.14| 6.2 0.9 5000 155 18 113 9| 1.4 2.9 4.3| 53.5-119.6 -66.2 -13.2 -0.10| 6.5 -0.6 6000 153 17 106 9| 1.2 2.6 3.8| 53.5-174.6-121.1 -20.2 -0.20| 6.2 -1.2 Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20250422.12.gif