UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042700.upa.cvt Date: 0000Z 27 APR 25 Searching for U1946... Searching the city database file for: U1946 ... Date:0000Z 27 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 1019 46 -12.1 -15.0 79 2.9 -12.7 60 5 259.6 259.8 259.3 262.8 1.17 1 1017 62 -7.5 -14.5 57 7.0 -9.2 64 6 264.4 264.6 263.0 267.7 1.22 2 1000 192 -6.3 -13.3 58 7.0 -8.1 95 15 266.9 267.1 265.1 270.6 1.37 3 955 554 -3.7 -13.7 46 10.0 -6.4 95 15 273.0 273.3 269.2 276.9 1.39 4 925 806 -4.1 -21.1 25 17.0 -7.9 95 15 275.1 275.2 269.5 277.4 0.77 5 924 815 -4.1 -21.1 25 17.0 -7.9 95 15 275.2 275.3 269.6 277.5 0.77 6 873 1261 -4.3 -16.3 39 12.0 -7.5 78 14 279.5 279.7 272.9 283.1 1.22 7 850 1471 -5.7 -15.7 45 10.0 -8.4 70 13 280.2 280.4 273.5 284.0 1.32 8 783 2111 -8.9 -17.9 48 9.0 -11.2 76 16 283.4 283.6 275.0 287.0 1.19 9 700 2967 -15.7 -23.7 50 8.0 -17.3 85 21 285.1 285.2 275.4 287.6 0.81 10 687 3108 -16.9 -23.9 55 7.0 -18.2 85 22 285.3 285.4 275.5 287.8 0.81 11 665 3350 -18.7 -25.7 54 7.0 -19.9 84 23 285.9 286.1 275.7 288.1 0.71 12 634 3705 -18.9 -29.9 37 11.0 -20.6 84 24 289.6 289.7 277.3 291.3 0.50 13 545 4812 -25.9 -46.9 12 21.0 -27.5 81 28 294.1 294.1 278.9 294.5 0.10 14 523 5109 -27.3 -45.3 16 18.0 -28.7 81 30 295.9 295.9 279.7 296.4 0.13 15 500 5430 -29.9 -46.9 18 17.0 -31.1 80 31 296.6 296.6 280.0 297.0 0.11 16 451 6160 -35.9 -45.9 35 10.0 -36.5 80 37 297.9 298.0 280.6 298.4 0.14 17 444 6269 -36.3 -45.3 39 9.0 -36.8 80 38 298.8 298.8 281.0 299.3 0.15 18 400 6990 -41.1 -53.1 26 12.0 -41.6 80 44 301.6 301.6 282.1 301.8 0.07 19 329 8290 -49.3 -63.3 18 14.0 -49.6 80 43 307.6 307.6 284.5 307.7 0.02 20 300 8890 -51.3 -65.3 17 14.0 -51.5 80 42 313.0 313.0 286.4 313.1 0.02 21 273 9503 -53.5 -68.5 14 15.0 -53.7 75 38 318.4 318.4 288.2 318.5 0.01 22 251 10044 -54.5 -69.5 14 15.0 -54.7 70 27 324.7 324.7 290.2 324.7 0.01 23 250 10070 -54.3 -69.3 14 15.0 -54.5 70 27 325.3 325.3 290.4 325.4 0.01 24 226 10718 -51.1 -66.1 15 15.0 -51.4 70 23 339.8 339.8 294.3 339.9 0.02 25 200 11510 -50.9 -67.9 12 17.0 -51.3 70 19 352.2 352.2 297.1 352.3 0.02 26 152 13294 -48.9 -68.9 8 20.0 -49.6 70 15 384.3 384.4 302.9 384.5 0.02 27 150 13380 -49.5 -69.5 8 20.0 -50.1 70 15 384.8 384.8 303.0 384.9 0.02 28 100 16030 -51.3 -74.3 5 23.0 -52.1 95 15 428.6 428.6 308.7 428.7 0.02 29 70 18350 -50.1 -75.1 4 25.0 -51.3 65 7 477.2 477.2 313.2 477.3 0.02 30 58 19583 -48.5 -73.5 4 25.0 -50.2 507.2 507.2 315.5 507.4 0.03 TRP 273 9503 -53.5 -68.5 14 15.0 -53.7 75 38 318.4 318.4 288.2 318.5 0.01 WND Sounding variables and indices 1000-500 mb thick: 5238.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.19 inches Sfc-500 mean rel hum: 37.82 % Est. max temperature: 7.97 C = 46.35 F Sfc-Lift cond lev (LCL): 972.41 mb = 412.00 m = 1351.67 ft T: -4.72 C 700-500 lapse rate: 5.77 C/km ThetaE index: 0.00 C Layer 1019.0- -0.0 mb Conv cond level (CCL): 613.84 mb = 3941.19 m = 12930.25 ft Mean mixing ratio: 1.23 g/kg Conv temperature: 19.03 C = 66.26 F Cap Strength: 18.38 C Lifted Index: 18.65 C Risk: None Lifted Index @300 mb: 27.55 C Lifted Index @700 mb: 11.47 C Showalter Index: 10.86 C Risk: None Total Totals Index: 38.40 C Risk: None Vertical Totals Index: 24.20 C Cross Totals Index: 14.20 C K Index: 0.50 Risk: None Sweat Index: 57.00 Risk: None Energy Index: 2.70 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 39.69 J/kg Max Up Vert Vel: 8.91 m/s Conv Inhibition (B-): 33708.23 J/kg Cap Strength: 18.59 C Lift Cond Lev (LCL): 825.05 mb = 1703.06 m = 5587.39 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 112 at 16 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 1019 46 60 5 -4.3 -2.5 | 309 14 10.8 -8.7 1 1000 192 95 15 -14.9 1.3 | 357 5 0.2 -4.9 2 925 806 95 15 -14.9 1.3 | 357 5 0.2 -4.9 3 850 1471 70 13 -12.2 -4.4 | 344 11 3.0 -10.6 4 700 2967 85 21 -20.9 -1.8 | 36 10 -5.7 -8.0 5 500 5430 80 31 -30.5 -5.4 | 53 19 -15.4 -11.6 6 400 6990 80 44 -43.3 -7.6 | 64 31 -28.2 -13.8 7 300 8890 80 42 -41.4 -7.3 | 63 29 -26.2 -13.5 8 273 9503 75 38 -36.7 -9.8 | 53 27 -21.5 -16.0 9 250 10070 70 27 -25.4 -9.2 | 33 18 -10.2 -15.4 10 200 11510 70 19 -17.9 -6.5 | 12 13 -2.7 -12.7 11 150 13380 70 15 -14.1 -5.1 | 355 11 1.1 -11.3 12 100 16030 95 15 -14.9 1.3 | 357 5 0.2 -4.9 13 70 18350 65 7 -6.3 -3.0 | 316 13 8.8 -9.1 Wind Parameters Mean winds (0-6000m): 82.2 at 21.8 knts Storm direction: 112.2 at 16.4 knts Shear (0-3000m) pos: 3.5 neg: 1.1 tot: 4.5 10-3/s Storm rel Dir Shear (0-3000m): 88.1 deg Storm rel helicity (0-3000m) pos: 41.8 neg: -3.8 tot: 38.1 m^2/s^2 ave: 12.7 10^-3 m/s^2 rel: 0.55 Storm rel vorticity (0-3000m) horiz: 4.7 stream: 2.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 3.73 Bulk Shear: 10.63 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 93 14 343 6| 11.6 0.0 11.6| 17.4 0.0 17.4 34.9 0.65| 12.2 7.9 1000 93 14 349 6| 5.8 1.2 7.0| 17.4 -0.8 16.6 16.6 0.50| 7.3 3.7 1500 88 14 350 7| 3.9 2.1 6.0| 18.4 -3.8 14.6 9.7 0.34| 6.3 2.1 2000 84 14 352 8| 3.7 1.6 5.2| 26.3 -3.8 22.6 11.3 0.43| 5.5 2.3 2500 83 15 357 8| 3.6 1.3 4.8| 34.4 -3.8 30.6 12.2 0.50| 5.0 2.5 3000 84 16 3 8| 3.5 1.1 4.5| 41.8 -3.8 38.1 12.7 0.55| 4.7 2.6 4000 84 18 16 8| 2.6 0.9 3.5| 48.2 -3.8 44.5 11.1 0.54| 4.1 2.2 5000 83 20 27 10| 2.1 1.0 3.1| 53.7 -3.8 50.0 10.0 0.52| 3.7 1.9 6000 82 22 35 11| 1.7 1.3 3.1| 67.4 -3.8 63.6 10.6 0.49| 3.6 1.8 Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20250427.00.gif