UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042400.upa.cvt Date: 0000Z 24 APR 25 Searching for U1946... Searching the city database file for: U1946 ... Date:0000Z 24 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 1018 42 -10.9 -14.8 73 3.9 -11.8 90 9 260.9 261.1 260.3 264.1 1.19 1 1016 57 -9.9 -17.9 52 8.0 -11.5 93 10 262.1 262.2 260.7 264.6 0.92 2 1000 180 -6.5 -14.5 53 8.0 -8.5 115 19 266.6 266.9 264.7 270.1 1.24 3 983 315 -2.1 -12.1 46 10.0 -5.0 119 19 272.4 272.6 269.1 276.7 1.53 4 948 602 -1.3 -15.3 34 14.0 -5.2 129 18 276.0 276.2 270.9 279.6 1.22 5 925 797 -2.5 -18.5 28 16.0 -6.5 135 17 276.8 276.9 270.9 279.6 0.96 6 892 1084 -4.1 -21.1 25 17.0 -8.1 129 20 278.0 278.1 271.4 280.4 0.80 7 850 1464 -5.1 -22.1 25 17.0 -9.0 120 23 280.8 280.9 272.9 283.1 0.76 8 788 2058 -5.3 -32.3 10 27.0 -10.3 108 21 286.7 286.8 275.5 287.8 0.32 9 726 2698 -7.9 -39.9 6 32.0 -12.7 96 18 290.7 290.7 277.3 291.2 0.16 10 700 2981 -9.1 -41.1 5 32.0 -13.7 90 17 292.4 292.4 278.1 292.9 0.15 11 672 3296 -10.5 -40.5 7 30.0 -14.8 87 17 294.3 294.3 279.0 294.8 0.17 12 509 5371 -25.3 -39.3 26 14.0 -26.8 66 21 300.7 300.7 282.0 301.5 0.25 13 500 5500 -25.7 -39.7 26 14.0 -27.2 65 21 301.7 301.7 282.4 302.5 0.24 14 498 5529 -25.5 -39.5 26 14.0 -27.1 65 21 302.3 302.3 282.7 303.2 0.25 15 400 7090 -35.5 -49.5 23 14.0 -36.3 65 25 308.9 308.9 285.0 309.2 0.10 16 396 7160 -35.5 -49.5 23 14.0 -36.4 65 25 309.7 309.8 285.4 310.1 0.11 17 359 7831 -41.9 -56.9 18 15.0 -42.5 65 26 310.0 310.0 285.4 310.2 0.05 18 300 9020 -50.5 -63.5 20 13.0 -50.8 65 27 314.2 314.2 286.8 314.3 0.02 19 250 10190 -58.7 -70.7 20 12.0 -58.8 55 29 318.8 318.8 288.3 318.8 0.01 20 248 10241 -59.1 -71.1 20 12.0 -59.2 55 29 318.9 318.9 288.4 319.0 0.01 21 234 10611 -54.5 -67.5 19 13.0 -54.7 62 24 331.2 331.3 292.1 331.3 0.02 22 214 11183 -56.5 -68.5 21 12.0 -56.7 72 15 336.7 336.7 293.5 336.8 0.02 23 206 11428 -52.3 -65.3 19 13.0 -52.6 77 12 347.0 347.0 296.0 347.1 0.03 24 200 11620 -51.3 -64.3 20 13.0 -51.7 80 9 351.5 351.5 297.0 351.7 0.03 25 179 12340 -48.1 -64.1 14 16.0 -48.7 105 12 368.1 368.1 300.2 368.3 0.04 26 150 13490 -50.9 -68.9 10 18.0 -51.4 145 17 382.4 382.4 302.6 382.5 0.02 27 117 15096 -54.5 -74.5 7 20.0 -54.9 142 13 403.9 403.9 305.7 403.9 0.01 28 100 16110 -51.3 -73.3 6 22.0 -52.1 140 11 428.6 428.6 308.7 428.7 0.02 29 70 18420 -51.5 -75.5 4 24.0 -52.5 150 11 474.2 474.2 313.0 474.3 0.02 30 63 19105 -51.1 -76.1 4 25.0 -52.3 125 11 489.6 489.6 314.2 489.7 0.02 31 50 20610 -50.9 -75.9 4 25.0 -52.4 70 11 523.5 523.5 316.5 523.7 0.03 32 49 20741 -52.1 -77.1 3 25.0 -53.5 523.7 523.7 316.5 523.9 0.02 TRP 248 10241 -59.1 -71.1 20 12.0 -59.2 55 29 318.9 318.9 288.4 319.0 0.01 WND Sounding variables and indices 1000-500 mb thick: 5320.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.12 inches Sfc-500 mean rel hum: 19.07 % Est. max temperature: 7.86 C = 46.14 F Sfc-Lift cond lev (LCL): 955.98 mb = 535.82 m = 1757.91 ft T: -1.48 C 700-500 lapse rate: 6.59 C/km ThetaE index: 0.00 C Layer 925.0- 892.0 mb Conv cond level (CCL): 543.46 mb = 4881.34 m = 16014.71 ft Mean mixing ratio: 1.23 g/kg Conv temperature: 27.61 C = 81.70 F Cap Strength: 20.73 C Lifted Index: 21.45 C Risk: None Lifted Index @300 mb: 27.15 C Lifted Index @700 mb: 16.72 C Showalter Index: 15.76 C Risk: None Total Totals Index: 24.20 C Risk: None Vertical Totals Index: 20.60 C Cross Totals Index: 3.60 C K Index: -33.50 Risk: None Sweat Index: 67.00 Risk: None Energy Index: 4.16 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 56.99 J/kg Max Up Vert Vel: 10.68 m/s Conv Inhibition (B-): 38521.26 J/kg Cap Strength: 21.20 C Lift Cond Lev (LCL): 803.63 mb = 1904.29 m = 6247.60 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 123 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 1018 42 90 9 -9.0 0.0 | 339 9 3.1 -8.0 1 1000 180 115 19 -17.2 8.0 | 90 5 -5.1 0.0 2 925 797 135 17 -12.0 12.0 | 182 4 0.1 4.0 3 850 1464 120 23 -19.9 11.5 | 114 9 -7.8 3.5 4 700 2981 90 17 -17.0 0.0 | 31 9 -4.9 -8.0 5 500 5500 65 21 -19.0 -8.9 | 22 18 -6.9 -16.9 6 400 7090 65 25 -22.7 -10.6 | 30 21 -10.5 -18.6 7 300 9020 65 27 -24.5 -11.4 | 32 23 -12.3 -19.4 8 250 10190 55 29 -23.8 -16.6 | 25 27 -11.6 -24.6 9 248 10241 55 29 -23.8 -16.6 | 25 27 -11.6 -24.6 10 200 11620 80 9 -8.9 -1.6 | 341 10 3.3 -9.6 11 150 13490 145 17 -9.8 13.9 | 202 6 2.4 5.9 12 100 16110 140 11 -7.1 8.4 | 265 5 5.1 0.4 13 70 18420 150 11 -5.5 9.5 | 257 7 6.6 1.5 14 50 20610 70 11 -10.3 -3.8 | 351 12 1.8 -11.8 Wind Parameters Mean winds (0-6000m): 93.4 at 19.4 knts Storm direction: 123.4 at 14.5 knts Shear (0-3000m) pos: 2.3 neg: 2.2 tot: 4.5 10-3/s Storm rel Dir Shear (0-3000m): 52.6 deg Storm rel helicity (0-3000m) pos: 18.5 neg: -34.0 tot: -15.6 m^2/s^2 ave: -5.2 10^-3 m/s^2 rel: -0.02 Storm rel vorticity (0-3000m) horiz: 6.5 stream: -0.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 6.82 Bulk Shear: 8.35 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 ------------------------------------------------------------------------------- 500 118 17 89 3| 12.2 0.0 12.2| 16.6 0.0 16.6 33.1 0.92| 16.5 15.1 1000 124 17 129 3| 7.0 0.0 7.0| 18.5 -2.5 16.0 16.0 0.71| 10.7 7.6 1500 124 19 125 4| 4.6 1.8 6.5| 18.5 -10.3 8.1 5.4 0.39| 9.1 3.5 2000 121 19 114 5| 3.5 1.9 5.4| 18.5 -19.0 -0.5 -0.3 0.20| 7.9 1.6 2500 118 20 102 5| 2.8 2.1 4.9| 18.5 -27.0 -8.6 -3.4 0.07| 7.1 0.5 3000 115 19 91 5| 2.3 2.2 4.5| 18.5 -34.0 -15.6 -5.2 -0.02| 6.5 -0.1 4000 108 19 69 6| 1.7 2.1 3.8| 18.5 -35.6 -17.1 -4.3 -0.03| 5.3 -0.2 5000 100 19 55 8| 1.4 2.0 3.4| 18.5 -39.9 -21.4 -4.3 -0.05| 4.7 -0.2 6000 93 19 46 10| 1.2 1.9 3.1| 22.6 -42.7 -20.1 -3.3 -0.04| 4.1 -0.2 Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20250424.00.gif