UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025043000.upa.cvt Date: 0000Z 30 APR 25 Searching for U1946... Searching the city database file for: U1946 ... Date:0000Z 30 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 1017 43 -10.1 -14.0 73 3.9 -11.0 110 3 261.8 262.0 261.2 265.2 1.27 1 1016 51 -10.5 -17.5 56 7.0 -11.9 110 3 261.5 261.6 260.3 264.1 0.95 2 1000 173 -11.5 -18.5 56 7.0 -12.9 110 9 261.6 261.8 260.3 264.1 0.89 3 976 359 -11.7 -17.7 61 6.0 -12.9 121 9 263.3 263.4 261.7 266.0 0.97 4 968 423 -8.7 -14.7 62 6.0 -10.1 125 9 266.9 267.1 264.9 270.4 1.26 5 925 776 -7.5 -17.5 45 10.0 -9.8 145 9 271.6 271.8 267.8 274.6 1.04 6 902 972 -7.7 -17.7 45 10.0 -10.1 141 10 273.4 273.6 268.9 276.4 1.05 7 850 1432 -8.7 -22.7 31 14.0 -11.6 130 11 277.0 277.2 270.7 279.2 0.73 8 791 1988 -10.1 -25.1 28 15.0 -13.0 126 14 281.3 281.4 273.0 283.2 0.63 9 772 2175 -10.7 -25.7 28 15.0 -13.6 125 15 282.6 282.7 273.7 284.5 0.61 10 700 2921 -15.1 -26.1 39 11.0 -17.1 120 19 285.8 285.9 275.5 287.8 0.65 11 598 4094 -21.5 -29.5 48 8.0 -22.7 122 18 291.5 291.6 278.3 293.3 0.55 12 539 4852 -26.1 -34.1 47 8.0 -27.1 124 17 294.8 294.9 279.6 296.1 0.40 13 500 5390 -30.1 -39.1 41 9.0 -30.9 125 17 296.3 296.4 280.1 297.2 0.26 14 400 6940 -41.3 -49.3 42 8.0 -41.6 105 13 301.3 301.3 282.0 301.7 0.11 15 324 8342 -51.3 -60.3 33 9.0 -51.5 105 16 306.2 306.2 284.0 306.4 0.04 16 300 8840 -53.5 -62.5 33 9.0 -53.7 105 17 309.9 309.9 285.3 310.0 0.03 17 276 9375 -55.7 -64.7 32 9.0 -55.8 105 19 314.2 314.2 286.9 314.3 0.02 18 274 9421 -55.7 -64.7 32 9.0 -55.8 104 19 314.9 314.9 287.1 315.0 0.02 19 250 10010 -52.5 -62.5 29 10.0 -52.7 95 13 328.0 328.0 291.2 328.2 0.03 20 200 11460 -49.7 -63.7 18 14.0 -50.1 80 13 354.1 354.1 297.5 354.2 0.04 21 194 11660 -48.7 -63.7 16 15.0 -49.2 79 13 358.8 358.8 298.5 358.9 0.04 22 150 13350 -49.5 -69.5 8 20.0 -50.1 75 9 384.8 384.8 303.0 384.9 0.02 23 100 16000 -49.3 -73.3 4 24.0 -50.3 20 5 432.5 432.5 309.1 432.6 0.02 24 70 18340 -49.3 -74.3 4 25.0 -50.6 90 7 478.9 478.9 313.4 479.1 0.02 25 60 19352 -49.1 -74.1 4 25.0 -50.7 90 7 500.9 501.0 315.0 501.1 0.03 26 50 20550 -48.7 -73.7 4 25.0 -50.5 90 7 528.7 528.7 316.9 528.9 0.04 27 47 20957 -48.5 -73.5 4 25.0 -50.5 538.6 538.6 317.5 538.9 0.04 28 34 23090 -47.9 -73.9 3 26.0 -50.7 592.5 592.5 320.3 592.8 0.05 TRP 276 9375 -55.7 -64.7 32 9.0 -55.8 105 19 314.2 314.2 286.9 314.3 0.02 WND Sounding variables and indices 1000-500 mb thick: 5217.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.16 inches Sfc-500 mean rel hum: 42.05 % Est. max temperature: 4.00 C = 39.20 F Sfc-Lift cond lev (LCL): 955.16 mb = 526.57 m = 1727.56 ft T: -8.35 C 700-500 lapse rate: 6.08 C/km ThetaE index: 1.15 C Layer 1016.0-1000.0 mb Conv cond level (CCL): 580.48 mb = 4311.13 m = 14143.97 ft Mean mixing ratio: 1.05 g/kg Conv temperature: 20.73 C = 69.32 F Cap Strength: 21.69 C Lifted Index: 22.38 C Risk: None Lifted Index @300 mb: 28.86 C Lifted Index @700 mb: 15.99 C Showalter Index: 14.47 C Risk: None Total Totals Index: 28.80 C Risk: None Vertical Totals Index: 21.40 C Cross Totals Index: 7.40 C K Index: -12.30 Risk: None Sweat Index: 39.00 Risk: None Energy Index: 3.82 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 52.76 J/kg Max Up Vert Vel: 10.27 m/s Conv Inhibition (B-): 50941.43 J/kg Cap Strength: 22.25 C Lift Cond Lev (LCL): 857.05 mb = 1367.97 m = 4488.04 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 154 at 11 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 1017 43 110 3 -2.8 1.0 | 346 9 2.2 -9.1 1 1000 173 110 9 -8.5 3.1 | 26 8 -3.4 -7.1 2 925 776 145 9 -5.2 7.4 | 3 3 -0.1 -2.8 3 850 1432 130 11 -8.4 7.1 | 48 5 -3.4 -3.1 4 700 2921 120 19 -16.5 9.5 | 87 11 -11.4 -0.6 5 500 5390 125 17 -13.9 9.8 | 87 9 -8.9 -0.4 6 400 6940 105 13 -12.6 3.4 | 48 10 -7.5 -6.8 7 300 8840 105 17 -16.4 4.4 | 63 13 -11.4 -5.7 8 276 9375 105 19 -18.4 4.9 | 69 14 -13.3 -5.2 9 250 10010 95 13 -13.0 1.1 | 41 12 -7.9 -9.0 10 200 11460 80 13 -12.8 -2.3 | 32 15 -7.8 -12.4 11 150 13350 75 9 -8.7 -2.3 | 16 13 -3.7 -12.5 12 100 16000 20 5 -1.7 -4.7 | 347 15 3.3 -14.8 13 70 18340 90 7 -7.0 0.0 | 11 10 -2.0 -10.1 14 50 20550 90 7 -7.0 0.0 | 11 10 -2.0 -10.1 Wind Parameters Mean winds (0-6000m): 123.7 at 15.1 knts Storm direction: 153.7 at 11.3 knts Shear (0-3000m) pos: 1.3 neg: 1.7 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 100.4 deg Storm rel helicity (0-3000m) pos: 22.1 neg: -1.4 tot: 20.7 m^2/s^2 ave: 6.9 10^-3 m/s^2 rel: 0.50 Storm rel vorticity (0-3000m) horiz: 3.8 stream: 1.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 8.27 Bulk Shear: 6.38 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 ------------------------------------------------------------------------------- 500 119 8 19 7| 6.5 0.0 6.5| 12.3 -0.5 11.8 23.5 0.61| 9.2 5.6 1000 130 9 20 5| 3.8 0.0 3.8| 13.1 -1.4 11.7 11.7 0.46| 6.1 2.8 1500 131 9 27 4| 2.5 0.9 3.4| 15.0 -1.4 13.6 9.1 0.51| 5.0 2.5 2000 130 10 38 5| 1.9 1.3 3.2| 18.0 -1.4 16.6 8.3 0.54| 4.5 2.4 2500 128 11 51 5| 1.5 1.7 3.2| 20.5 -1.4 19.2 7.7 0.52| 4.2 2.2 3000 126 12 61 6| 1.3 1.7 3.0| 22.1 -1.4 20.7 6.9 0.50| 3.8 1.9 4000 124 14 71 7| 0.9 1.3 2.2| 22.3 -1.4 20.9 5.2 0.48| 3.0 1.4 5000 124 15 75 7| 0.7 1.0 1.7| 22.4 -1.4 21.0 4.2 0.46| 2.5 1.2 6000 124 15 77 8| 0.6 0.8 1.4| 22.4 -8.3 14.1 2.3 0.30| 2.4 0.7 Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20250430.00.gif