UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041600.upa.cvt Date: 0000Z 16 APR 25 Searching for U1946... Searching the city database file for: U1946 ... Date:0000Z 16 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 1005 44 -12.5 -15.4 79 2.9 -13.1 180 5 260.3 260.5 259.8 263.4 1.15 1 1003 59 -13.7 -19.7 60 6.0 -14.7 184 5 259.2 259.4 258.2 261.4 0.80 2 1002 67 -14.1 -18.5 69 4.4 -14.9 186 5 258.9 259.0 258.1 261.3 0.89 3 1000 82 -14.3 -18.7 69 4.4 -15.1 190 5 258.9 259.0 258.1 261.2 0.87 4 925 675 -13.1 -16.7 74 3.6 -13.9 215 7 265.9 266.1 263.9 269.0 1.12 5 911 791 -12.1 -15.4 76 3.3 -12.8 214 7 268.1 268.3 265.7 271.6 1.26 6 850 1320 -12.5 -16.0 75 3.5 -13.3 210 7 273.1 273.3 269.1 276.7 1.29 7 777 2004 -13.7 -17.6 72 3.9 -14.6 203 9 278.9 279.1 272.6 282.5 1.23 8 700 2789 -18.9 -22.7 72 3.8 -19.6 195 11 281.6 281.7 273.6 284.2 0.88 9 680 3005 -20.3 -23.9 73 3.6 -20.9 195 12 282.3 282.5 273.9 284.8 0.82 10 500 5230 -33.5 -39.5 55 6.0 -34.0 200 19 292.2 292.2 278.2 293.0 0.25 11 495 5300 -33.9 -39.9 55 6.0 -34.4 200 19 292.5 292.6 278.3 293.4 0.24 12 476 5573 -34.3 -40.3 55 6.0 -34.8 200 19 295.3 295.4 279.6 296.2 0.24 13 427 6320 -40.7 -48.7 42 8.0 -41.1 200 19 296.5 296.5 280.0 296.9 0.11 14 400 6760 -43.7 -52.7 36 9.0 -44.0 200 19 298.2 298.2 280.7 298.5 0.07 15 373 7227 -47.3 -56.3 35 9.0 -47.6 200 19 299.4 299.5 281.1 299.6 0.05 16 300 8670 -47.7 -58.7 27 11.0 -48.0 220 23 318.1 318.1 288.2 318.3 0.05 17 250 9870 -46.3 -59.3 22 13.0 -46.7 220 23 337.2 337.2 293.7 337.4 0.05 18 200 11350 -46.5 -62.5 15 16.0 -47.1 230 21 359.1 359.1 298.5 359.3 0.04 19 150 13260 -47.5 -64.5 12 17.0 -48.2 235 17 388.2 388.2 303.6 388.4 0.04 20 100 15910 -49.1 -65.1 14 16.0 -50.0 260 9 432.9 432.9 309.1 433.2 0.06 21 81 17280 -52.9 -68.9 13 16.0 -53.7 275 9 451.9 452.0 311.1 452.2 0.04 22 70 18220 -53.1 -69.1 13 16.0 -53.9 285 9 470.8 470.8 312.7 471.1 0.05 23 50 20380 -54.9 -69.9 14 15.0 -55.8 295 11 514.1 514.1 315.9 514.5 0.06 24 37 22299 -55.5 -69.5 16 14.0 -56.6 266 10 558.8 558.8 318.6 559.4 0.09 25 32 23215 -59.1 -73.1 15 14.0 -59.9 251 9 572.9 572.9 319.3 573.3 0.06 26 30 23620 -58.1 -72.1 15 14.0 -59.1 245 9 586.2 586.3 320.0 586.8 0.08 27 25 24778 -54.9 -68.9 16 14.0 -56.5 254 11 626.8 626.9 321.8 627.9 0.14 28 21 25889 -56.7 -69.7 18 13.0 -58.2 263 13 653.4 653.5 322.9 654.7 0.15 29 20 26200 -53.9 -67.9 16 14.0 -55.9 265 13 671.2 671.3 323.5 672.9 0.21 30 19 26530 -52.9 -66.9 17 14.0 -55.2 684.2 684.3 324.0 686.3 0.25 TRP 373 7227 -47.3 -56.3 35 9.0 -47.6 200 19 299.4 299.5 281.1 299.6 0.05 WND Sounding variables and indices 1000-500 mb thick: 5148.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.20 inches Sfc-500 mean rel hum: 69.05 % Est. max temperature: -0.13 C = 31.76 F Sfc-Lift cond lev (LCL): 959.00 mb = 400.40 m = 1313.64 ft T: -13.66 C 700-500 lapse rate: 5.98 C/km ThetaE index: 2.15 C Layer 1003.0- 925.0 mb Conv cond level (CCL): 661.02 mb = 3209.96 m = 10531.23 ft Mean mixing ratio: 1.04 g/kg Conv temperature: 10.52 C = 50.94 F Cap Strength: 15.25 C Lifted Index: 21.50 C Risk: None Lifted Index @300 mb: 36.83 C Lifted Index @700 mb: 14.77 C Showalter Index: 13.00 C Risk: None Total Totals Index: 38.50 C Risk: None Vertical Totals Index: 21.00 C Cross Totals Index: 17.50 C K Index: 1.20 Risk: None Sweat Index: 33.00 Risk: None Energy Index: 3.46 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 26.58 J/kg Max Up Vert Vel: 7.29 m/s Conv Inhibition (B-): 59402.47 J/kg Cap Strength: 21.27 C Lift Cond Lev (LCL): 896.28 mb = 915.53 m = 3003.69 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 230 at 9 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 1005 44 180 5 0.0 5.0 | 82 7 -7.1 -0.9 1 1000 82 190 5 0.9 4.9 | 81 6 -6.2 -1.0 2 925 675 215 7 4.0 5.7 | 86 3 -3.1 -0.2 3 850 1320 210 7 3.5 6.1 | 92 4 -3.6 0.1 4 700 2789 195 11 2.8 10.6 | 138 6 -4.3 4.7 5 500 5230 200 19 6.5 17.9 | 177 12 -0.6 11.9 6 400 6760 200 19 6.5 17.9 | 177 12 -0.6 11.9 7 373 7227 200 19 6.5 17.9 | 177 12 -0.6 11.9 8 300 8670 220 23 14.8 17.6 | 213 14 7.7 11.7 9 250 9870 220 23 14.8 17.6 | 213 14 7.7 11.7 10 200 11350 230 21 16.1 13.5 | 230 12 9.0 7.6 11 150 13260 235 17 13.9 9.8 | 241 8 6.8 3.8 12 100 15910 260 9 8.9 1.6 | 338 5 1.8 -4.4 13 70 18220 285 9 8.7 -2.3 | 349 8 1.6 -8.3 14 50 20380 295 11 10.0 -4.6 | 345 11 2.9 -10.6 15 30 23620 245 9 8.2 3.8 | 334 2 1.0 -2.1 16 20 26200 265 13 13.0 1.1 | 309 8 5.8 -4.8 Wind Parameters Mean winds (0-6000m): 200.1 at 12.4 knts Storm direction: 230.1 at 9.3 knts Shear (0-3000m) pos: 0.7 neg: 0.9 tot: 1.6 10-3/s Storm rel Dir Shear (0-3000m): 61.7 deg Storm rel helicity (0-3000m) pos: 6.1 neg: -0.1 tot: 5.9 m^2/s^2 ave: 2.0 10^-3 m/s^2 rel: 0.48 Storm rel vorticity (0-3000m) horiz: 1.7 stream: 0.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 4.56 Bulk Shear: 5.83 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 ------------------------------------------------------------------------------- 500 200 6 84 5| 3.4 0.0 3.4| 0.6 -0.1 0.5 0.9 0.11| 3.4 0.4 1000 208 6 85 4| 2.0 0.0 2.0| 0.8 -0.1 0.6 0.6 0.12| 2.2 0.3 1500 209 7 88 4| 1.3 0.3 1.6| 1.5 -0.1 1.4 0.9 0.25| 1.8 0.5 2000 207 7 94 4| 1.0 0.6 1.6| 2.9 -0.1 2.8 1.4 0.40| 1.8 0.7 2500 205 8 103 4| 0.8 0.8 1.6| 4.2 -0.1 4.1 1.6 0.44| 1.7 0.8 3000 203 8 111 4| 0.7 0.9 1.6| 6.1 -0.1 5.9 2.0 0.48| 1.7 0.8 4000 201 9 127 5| 0.8 0.7 1.5| 11.2 -0.1 11.1 2.8 0.55| 1.7 0.9 5000 200 11 143 5| 1.0 0.6 1.6| 16.9 -0.1 16.7 3.3 0.57| 1.7 1.0 6000 200 12 153 6| 0.9 0.5 1.3| 18.0 -0.1 17.8 3.0 0.57| 1.5 0.8 Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20250416.00.gif