UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101912.upa.cvt Date: 1200Z 19 OCT 25 Searching for U1946... Searching the city database file for: U1946 ... Date:1200Z 19 OCT 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 1006 44 -6.5 -8.1 88 1.6 -7.0 360 11 266.2 266.5 265.8 271.7 2.06 1 1000 91 -6.7 -9.1 83 2.4 -7.4 355 13 266.5 266.8 265.8 271.6 1.92 2 976 280 -6.5 -8.8 84 2.3 -7.2 358 14 268.5 268.8 267.3 274.0 2.01 3 925 696 -10.5 -13.4 79 2.9 -11.2 5 17 268.6 268.8 266.4 272.6 1.47 4 850 1341 -14.9 -17.4 81 2.5 -15.4 10 15 270.5 270.7 267.2 273.8 1.15 5 779 1995 -19.7 -21.7 84 2.0 -20.0 10 19 272.2 272.4 267.8 274.7 0.86 6 700 2784 -23.1 -26.3 75 3.2 -23.5 10 25 276.9 277.0 270.4 278.8 0.64 7 656 3257 -25.9 -28.3 80 2.4 -26.2 14 27 278.9 279.0 271.5 280.7 0.57 8 557 4431 -30.9 -37.9 50 7.0 -31.5 24 32 286.4 286.4 275.2 287.2 0.26 9 500 5190 -35.3 -44.3 39 9.0 -35.8 30 36 290.0 290.0 276.9 290.5 0.15 10 498 5218 -35.5 -44.5 39 9.0 -36.0 30 36 290.1 290.1 276.9 290.6 0.15 11 400 6710 -44.9 -53.9 36 9.0 -45.2 35 44 296.6 296.6 279.9 296.9 0.06 12 330 7973 -51.7 -59.7 38 8.0 -51.8 45 46 304.1 304.1 283.1 304.2 0.04 13 300 8590 -51.5 -59.5 38 8.0 -51.7 40 44 312.8 312.8 286.4 312.9 0.04 14 250 9780 -50.9 -59.9 34 9.0 -51.1 35 38 330.4 330.4 291.9 330.6 0.05 15 200 11230 -48.9 -59.9 27 11.0 -49.3 30 27 355.3 355.3 297.8 355.6 0.06 16 158 12780 -48.5 -63.5 16 15.0 -49.1 18 20 380.8 380.8 302.4 381.0 0.05 17 150 13120 -50.3 -66.3 13 16.0 -50.8 15 19 383.4 383.4 302.8 383.6 0.03 18 100 15750 -53.1 -73.1 7 20.0 -53.7 30 15 425.1 425.1 308.3 425.2 0.02 19 95 16082 -53.1 -73.1 7 20.0 -53.8 36 14 431.4 431.4 309.0 431.5 0.02 20 70 18050 -54.7 -76.7 5 22.0 -55.5 75 5 467.4 467.4 312.4 467.5 0.02 21 62 18827 -53.7 -75.7 5 22.0 -54.6 115 5 486.1 486.1 314.0 486.2 0.02 22 50 20200 -56.3 -78.3 5 22.0 -57.2 185 5 510.8 510.8 315.7 510.9 0.02 23 48 20458 -57.1 -79.1 5 22.0 -57.9 185 5 514.9 514.9 315.9 515.0 0.02 24 48 20458 -57.1 -79.1 5 22.0 -57.9 185 5 514.9 514.9 315.9 515.0 0.02 25 47 20591 -56.9 -78.9 5 22.0 -57.8 186 6 518.5 518.5 316.2 518.6 0.02 26 40 21612 -55.9 -78.9 4 23.0 -57.0 187 8 545.5 545.5 317.8 545.6 0.02 27 30 23440 -55.5 -79.5 3 24.0 -57.0 190 11 593.3 593.3 320.3 593.5 0.02 28 28 23881 -55.7 -79.7 3 24.0 -57.2 196 13 604.6 604.6 320.8 604.8 0.02 29 20 26040 -53.5 -77.5 4 24.0 -56.0 225 21 672.4 672.4 323.5 672.8 0.05 30 17 27086 -53.5 -77.5 4 24.0 -56.3 225 28 704.4 704.4 324.6 704.9 0.06 31 10 30520 -51.1 -76.1 4 25.0 -56.0 225 52 828.8 828.9 328.0 830.0 0.12 32 9.7 30718 -51.1 -76.1 4 25.0 -56.1 836.1 836.1 328.1 837.4 0.13 TRP 330 7973 -51.7 -59.7 38 8.0 -51.8 45 46 304.1 304.1 283.1 304.2 0.04 WND Sounding variables and indices 1000-500 mb thick: 5099.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.19 inches Sfc-500 mean rel hum: 71.44 % Est. max temperature: -2.31 C = 27.84 F Sfc-Lift cond lev (LCL): 980.61 mb = 243.68 m = 799.47 ft T: -6.54 C 700-500 lapse rate: 5.07 C/km ThetaE index: 1.35 C Layer 925.0- 850.0 mb Conv cond level (CCL): 906.69 mb = 848.51 m = 2783.80 ft Mean mixing ratio: 1.74 g/kg Conv temperature: -3.65 C = 25.43 F Cap Strength: 11.74 C Lifted Index: 14.19 C Risk: None Lifted Index @300 mb: 28.17 C Lifted Index @700 mb: 4.98 C Showalter Index: 13.55 C Risk: None Total Totals Index: 38.30 C Risk: None Vertical Totals Index: 20.40 C Cross Totals Index: 17.90 C K Index: -0.20 Risk: None Sweat Index: 66.00 Risk: None Energy Index: 3.49 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.45 J/kg Max Up Vert Vel: 4.11 m/s Conv Inhibition (B-): 63233.16 J/kg Cap Strength: 13.79 C Lift Cond Lev (LCL): 918.13 mb = 752.85 m = 2469.94 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 50 at 20 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 1006 44 360 11 -0.0 -11.0 | 264 15 14.9 1.7 1 1000 91 355 13 1.1 -13.0 | 271 16 16.0 -0.3 2 925 696 5 17 -1.5 -16.9 | 288 14 13.4 -4.3 3 850 1341 10 15 -2.6 -14.8 | 280 12 12.3 -2.1 4 700 2784 10 25 -4.3 -24.6 | 319 16 10.5 -12.0 5 500 5190 30 36 -18.0 -31.2 | 10 19 -3.1 -18.5 6 400 6710 35 44 -25.2 -36.0 | 24 26 -10.4 -23.4 7 330 7973 45 46 -32.5 -32.5 | 42 27 -17.7 -19.9 8 300 8590 40 44 -28.3 -33.7 | 33 25 -13.4 -21.0 9 250 9780 35 38 -21.8 -31.1 | 21 20 -6.9 -18.5 10 200 11230 30 27 -13.5 -23.4 | 353 11 1.4 -10.7 11 150 13120 15 19 -4.9 -18.4 | 300 11 9.9 -5.7 12 100 15750 30 15 -7.5 -13.0 | 273 7 7.4 -0.3 13 70 18050 75 5 -4.8 -1.3 | 221 15 10.0 11.4 14 50 20200 185 5 0.4 5.0 | 221 23 15.3 17.6 15 30 23440 190 11 1.9 10.8 | 216 29 16.8 23.5 16 20 26040 225 21 14.8 14.8 | 227 40 29.7 27.5 17 10 30520 225 52 36.8 36.8 | 226 71 51.6 49.4 Wind Parameters Mean winds (0-6000m): 19.6 at 26.0 knts Storm direction: 49.6 at 19.5 knts Shear (0-3000m) pos: 1.5 neg: 1.2 tot: 2.7 10-3/s Storm rel Dir Shear (0-3000m): 60.5 deg Storm rel helicity (0-3000m) pos: 64.1 neg: -5.8 tot: 58.3 m^2/s^2 ave: 19.4 10^-3 m/s^2 rel: 0.74 Storm rel vorticity (0-3000m) horiz: 3.5 stream: 2.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.34 Bulk Shear: 24.58 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 ------------------------------------------------------------------------------- 500 359 14 276 15| 5.2 0.0 5.2| 21.1 0.0 21.1 42.1 0.92| 5.8 5.4 1000 3 15 281 14| 2.7 0.0 2.7| 24.9 -2.9 21.9 21.9 0.67| 4.1 2.8 1500 5 15 281 14| 2.0 0.0 2.0| 29.4 -5.8 23.6 15.7 0.57| 3.6 2.0 2000 6 16 284 14| 1.5 0.9 2.4| 40.8 -5.8 35.0 17.5 0.67| 3.6 2.4 2500 7 17 289 13| 1.2 1.4 2.6| 52.2 -5.8 46.4 18.6 0.71| 3.6 2.5 3000 8 18 295 14| 1.5 1.2 2.7| 64.1 -5.8 58.3 19.4 0.74| 3.5 2.6 4000 11 21 306 13| 1.9 0.9 2.8| 90.4 -5.8 84.6 21.1 0.80| 3.4 2.7 5000 16 24 320 13| 2.1 0.7 2.8|119.9 -5.8 114.1 22.8 0.83| 3.4 2.9 6000 20 26 333 13| 2.3 0.6 2.9|141.6 -5.8 135.8 22.6 0.81| 3.4 2.7 Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20251019.12.gif