UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042200.upa.cvt Date: 0000Z 22 APR 25 Searching for U1946... Searching the city database file for: U1946 ... Date:0000Z 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 1009 47 -0.3 -6.3 64 6.0 -2.4 160 3 272.2 272.5 270.3 278.6 2.36 1 1000 119 0.6 -9.4 47 10.0 -2.6 165 13 273.8 274.1 270.5 279.0 1.87 2 993 175 0.6 -9.4 47 10.0 -2.7 166 14 274.3 274.6 270.9 279.6 1.88 3 976 315 5.0 -9.0 36 14.0 0.0 170 15 280.1 280.4 274.4 285.8 1.98 4 970 365 4.6 -11.4 30 16.0 -0.7 171 15 280.2 280.5 274.0 284.9 1.65 5 925 749 2.2 -13.8 29 16.0 -2.8 180 19 281.6 281.8 274.4 285.7 1.42 6 883 1122 -0.7 -16.7 29 16.0 -5.2 175 19 282.3 282.5 274.5 285.8 1.17 7 850 1426 -0.7 -15.7 31 15.0 -5.1 170 19 285.4 285.6 276.3 289.4 1.32 8 832 1597 -0.5 -17.5 26 17.0 -5.4 170 19 287.4 287.6 277.1 290.9 1.16 9 815 1762 -1.5 -18.5 26 17.0 -6.2 170 20 288.0 288.2 277.3 291.3 1.09 10 700 2954 -9.7 -19.7 44 10.0 -12.2 170 23 291.7 291.9 279.2 295.3 1.14 11 657 3441 -13.7 -20.7 55 7.0 -15.3 196 22 292.6 292.8 279.6 296.0 1.12 12 594 4204 -17.3 -23.3 60 6.0 -18.6 238 20 296.9 297.1 281.4 300.1 0.98 13 555 4711 -20.1 -34.1 28 14.0 -22.1 267 19 299.5 299.5 281.7 300.8 0.38 14 500 5480 -24.1 -42.1 17 18.0 -26.0 310 17 303.7 303.7 283.1 304.3 0.19 15 479 5790 -25.9 -45.9 14 20.0 -27.7 311 18 305.2 305.2 283.7 305.7 0.13 16 449 6252 -29.5 -52.5 9 23.0 -31.0 312 19 306.4 306.4 284.0 306.6 0.07 17 400 7060 -36.1 -58.1 9 22.0 -37.1 315 21 308.1 308.1 284.7 308.2 0.04 18 300 9000 -51.9 -65.9 17 14.0 -52.1 325 21 312.2 312.2 286.1 312.3 0.02 19 288 9263 -54.3 -68.3 16 14.0 -54.5 328 20 312.4 312.4 286.2 312.5 0.01 20 251 10135 -59.1 -72.1 17 13.0 -59.2 340 17 317.8 317.8 288.1 317.9 0.01 21 250 10160 -58.7 -71.7 17 13.0 -58.8 345 17 318.8 318.8 288.3 318.8 0.01 22 228 10740 -58.7 -71.7 17 13.0 -58.8 300 14 327.3 327.3 291.0 327.4 0.01 23 208 11326 -52.3 -65.3 19 13.0 -52.6 254 10 346.0 346.0 295.8 346.2 0.03 24 200 11580 -51.7 -64.7 20 13.0 -52.0 235 9 350.9 350.9 296.8 351.0 0.03 25 166 12790 -48.9 -64.9 14 16.0 -49.5 232 8 374.8 374.8 301.4 375.0 0.04 26 150 13450 -50.7 -68.7 10 18.0 -51.2 230 7 382.7 382.7 302.7 382.8 0.02 27 128 14481 -52.9 -71.9 8 19.0 -53.4 238 6 396.5 396.5 304.8 396.6 0.02 28 100 16080 -52.3 -73.3 6 21.0 -53.0 250 5 426.7 426.7 308.5 426.8 0.02 29 85 17131 -52.5 -74.5 5 22.0 -53.3 446.6 446.6 310.6 446.7 0.02 TRP 251 10135 -59.1 -72.1 17 13.0 -59.2 340 17 317.8 317.8 288.1 317.9 0.01 WND Sounding variables and indices 1000-500 mb thick: 5361.00 m Freezing level: Surface below freezing Freezing level: 1006.00 mb = 71.18 m = 233.54 ft Freezing level: 893.14 mb = 1031.92 m = 3385.52 ft Wetbulb zero: Below ground Precipitable water: 0.23 inches Sfc-500 mean rel hum: 37.56 % Est. max temperature: 12.13 C = 53.84 F Sfc-Lift cond lev (LCL): 918.48 mb = 805.74 m = 2643.46 ft T: 1.76 C 700-500 lapse rate: 5.70 C/km ThetaE index: 0.82 C Layer 970.0- 925.0 mb Conv cond level (CCL): 594.74 mb = 4194.13 m = 13760.11 ft Mean mixing ratio: 1.66 g/kg Conv temperature: 24.51 C = 76.11 F Cap Strength: 14.10 C Lifted Index: 16.72 C Risk: None Lifted Index @300 mb: 20.00 C Lifted Index @700 mb: 10.03 C Showalter Index: 12.62 C Risk: None Total Totals Index: 31.80 C Risk: None Vertical Totals Index: 23.40 C Cross Totals Index: 8.40 C K Index: -2.30 Risk: None Sweat Index: 160.35 Risk: None Energy Index: 3.16 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 36.58 J/kg Max Up Vert Vel: 8.55 m/s Conv Inhibition (B-): 22176.95 J/kg Cap Strength: 16.26 C Lift Cond Lev (LCL): 768.58 mb = 2221.30 m = 7287.63 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 221 at 15 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 1009 47 160 3 -1.0 2.8 | 52 13 -10.5 -8.2 1 1000 119 165 13 -3.4 12.6 | 97 13 -12.8 1.5 2 925 749 180 19 0.0 19.0 | 130 12 -9.5 8.0 3 850 1426 170 19 -3.3 18.7 | 121 15 -12.8 7.7 4 700 2954 170 23 -4.0 22.7 | 131 18 -13.5 11.6 5 500 5480 310 17 13.0 -10.9 | 351 22 3.5 -21.9 6 400 7060 315 21 14.8 -14.8 | 348 26 5.4 -25.9 7 300 9000 325 21 12.0 -17.2 | 355 28 2.6 -28.2 8 251 10135 340 17 5.8 -16.0 | 8 27 -3.7 -27.0 9 250 10160 345 17 4.4 -16.4 | 10 28 -5.1 -27.4 10 200 11580 235 9 7.4 5.2 | 20 6 -2.1 -5.9 11 150 13450 230 7 5.4 4.5 | 32 8 -4.1 -6.5 12 100 16080 250 5 4.7 1.7 | 27 10 -4.8 -9.3 Wind Parameters Mean winds (0-6000m): 190.7 at 19.4 knts Storm direction: 220.7 at 14.5 knts Shear (0-3000m) pos: 3.0 neg: 0.6 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 83.6 deg Storm rel helicity (0-3000m) pos: 74.3 neg: -7.5 tot: 66.7 m^2/s^2 ave: 22.2 10^-3 m/s^2 rel: 0.73 Storm rel vorticity (0-3000m) horiz: 4.6 stream: 3.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 4.37 Bulk Shear: 8.37 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 ------------------------------------------------------------------------------- 500 170 14 103 12| 14.6 0.0 14.6| 48.0 0.0 48.0 96.0 1.00| 15.6 15.5 1000 175 16 116 12| 8.3 0.0 8.3| 56.0 -3.2 52.8 52.8 0.87| 9.8 8.5 1500 174 17 118 13| 5.5 0.7 6.2| 56.7 -7.5 49.2 32.8 0.74| 7.2 5.4 2000 173 18 120 14| 4.1 0.6 4.8| 60.6 -7.5 53.1 26.5 0.74| 5.8 4.3 2500 172 19 122 14| 3.3 0.7 4.0| 64.5 -7.5 57.0 22.8 0.74| 4.9 3.6 3000 172 19 123 15| 3.0 0.6 3.6| 74.3 -7.5 66.7 22.2 0.73| 4.6 3.4 4000 179 20 131 13| 2.6 0.5 3.1|117.5 -7.5 110.0 27.5 0.77| 6.2 4.8 5000 185 20 138 12| 2.4 0.4 2.8|162.4 -7.5 154.9 31.0 0.78| 6.9 5.3 6000 191 19 144 10| 2.1 0.3 2.4|193.6 -10.1 183.6 30.6 0.76| 6.5 4.9 Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20250422.00.gif