UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041512.upa.cvt Date: 1200Z 15 APR 25 Searching for U1946... Searching the city database file for: U1946 ... Date:1200Z 15 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 1003 46 -18.5 -20.5 84 2.0 -18.8 270 5 254.4 254.5 254.2 256.4 0.74 1 1000 68 -17.1 -19.0 85 1.9 -17.4 265 5 256.0 256.2 255.7 258.3 0.85 2 978 236 -14.5 -16.0 88 1.5 -14.8 266 6 260.3 260.5 259.7 263.3 1.12 3 926 652 -11.9 -13.3 89 1.4 -12.2 270 9 267.1 267.3 265.4 271.1 1.48 4 925 660 -11.9 -13.3 89 1.4 -12.2 270 9 267.1 267.4 265.5 271.2 1.48 5 850 1308 -11.1 -12.0 93 0.9 -11.3 220 7 274.5 274.8 270.9 279.6 1.79 6 826 1528 -11.7 -13.0 90 1.3 -12.1 220 7 276.1 276.4 271.7 281.0 1.70 7 700 2780 -17.9 -19.5 87 1.6 -18.2 220 7 282.7 282.9 274.6 286.1 1.16 8 682 2973 -19.1 -20.6 88 1.5 -19.4 219 7 283.4 283.6 274.9 286.7 1.09 9 533 4766 -28.5 -34.5 56 6.0 -29.2 212 10 292.9 293.0 278.7 294.2 0.38 10 508 5108 -30.5 -36.5 56 6.0 -31.1 210 11 294.5 294.6 279.4 295.6 0.33 11 500 5220 -31.3 -37.3 55 6.0 -31.9 210 11 294.9 294.9 279.5 295.9 0.31 12 400 6760 -43.3 -49.3 52 6.0 -43.5 200 13 298.7 298.7 280.9 299.1 0.11 13 380 7105 -46.1 -52.1 51 6.0 -46.3 195 13 299.4 299.5 281.2 299.7 0.08 14 333 7978 -50.3 -55.3 55 5.0 -50.4 183 13 305.2 305.2 283.6 305.4 0.06 15 304 8574 -51.5 -57.5 49 6.0 -51.7 175 13 311.6 311.6 285.9 311.8 0.05 16 300 8660 -51.7 -57.7 49 6.0 -51.8 175 13 312.5 312.5 286.3 312.7 0.05 17 299 8682 -51.7 -57.7 49 6.0 -51.8 176 13 312.8 312.8 286.4 313.0 0.05 18 250 9850 -49.5 -56.5 44 7.0 -49.7 220 15 332.5 332.5 292.4 332.8 0.07 19 200 11320 -48.3 -58.3 31 10.0 -48.7 235 11 356.3 356.3 298.0 356.6 0.07 20 186 11797 -47.3 -59.3 24 12.0 -47.9 239 11 365.4 365.4 299.8 365.7 0.07 21 150 13210 -49.3 -64.3 16 15.0 -49.9 250 11 385.1 385.1 303.1 385.3 0.04 22 100 15860 -52.3 -72.3 7 20.0 -53.0 285 11 426.7 426.7 308.5 426.8 0.02 23 88 16684 -53.7 -74.7 6 21.0 -54.4 439.8 439.8 309.8 439.9 0.02 TRP 304 8574 -51.5 -57.5 49 6.0 -51.7 175 13 311.6 311.6 285.9 311.8 0.05 WND Sounding variables and indices 1000-500 mb thick: 5152.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.25 inches Sfc-500 mean rel hum: 80.10 % Est. max temperature: 1.29 C = 34.32 F Sfc-Lift cond lev (LCL): 970.63 mb = 293.28 m = 962.20 ft T: -14.14 C 700-500 lapse rate: 5.49 C/km ThetaE index: 0.00 C Layer 1003.0- 0.0 mb Conv cond level (CCL): 1000.00 mb = 68.00 m = 223.09 ft Mean mixing ratio: 1.27 g/kg Conv temperature: -14.00 C = 6.81 F Cap Strength: 22.98 C Lifted Index: 23.17 C Risk: None Lifted Index @300 mb: 32.36 C Lifted Index @700 mb: 15.24 C Showalter Index: 12.98 C Risk: None Total Totals Index: 39.50 C Risk: None Vertical Totals Index: 20.20 C Cross Totals Index: 19.30 C K Index: 6.60 Risk: None Sweat Index: 25.00 Risk: None Energy Index: 3.39 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 40.70 J/kg Max Up Vert Vel: 9.02 m/s Conv Inhibition (B-): 27981.47 J/kg Cap Strength: 23.10 C Lift Cond Lev (LCL): 931.61 mb = 605.73 m = 1987.29 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 251 at 6 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 1003 46 270 5 5.0 -0.0 | 27 2 -1.1 -2.1 1 1000 68 265 5 5.0 0.4 | 33 2 -1.1 -1.7 2 925 660 270 9 9.0 -0.0 | 306 4 2.9 -2.1 3 850 1308 220 7 4.5 5.4 | 154 4 -1.6 3.3 4 700 2780 220 7 4.5 5.4 | 154 4 -1.6 3.3 5 500 5220 210 11 5.5 9.5 | 176 7 -0.6 7.4 6 400 6760 200 13 4.4 12.2 | 171 10 -1.6 10.1 7 304 8574 175 13 -1.1 13.0 | 146 13 -7.2 10.8 8 300 8660 175 13 -1.1 13.0 | 146 13 -7.2 10.8 9 250 9850 220 15 9.6 11.5 | 201 10 3.6 9.4 10 200 11320 235 11 9.0 6.3 | 215 5 2.9 4.2 11 150 13210 250 11 10.3 3.8 | 249 5 4.3 1.7 12 100 15860 285 11 10.6 -2.8 | 317 7 4.6 -5.0 Wind Parameters Mean winds (0-6000m): 220.9 at 8.6 knts Storm direction: 250.9 at 6.4 knts Shear (0-3000m) pos: 0.0 neg: 1.0 tot: 1.0 10-3/s Storm rel Dir Shear (0-3000m): 132.3 deg Storm rel helicity (0-3000m) pos: 0.3 neg: -5.4 tot: -5.1 m^2/s^2 ave: -1.7 10^-3 m/s^2 rel: -0.74 Storm rel vorticity (0-3000m) horiz: 2.0 stream: -1.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 7.84 Bulk Shear: 5.19 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 ------------------------------------------------------------------------------- 500 268 7 346 2| 0.0 3.3 3.3| 0.0 -1.4 -1.4 -2.8 -0.77| 3.5 -2.7 1000 263 7 312 2| 0.0 2.2 2.2| 0.0 -3.9 -3.9 -3.9 -0.80| 4.4 -3.5 1500 252 7 263 1| 0.0 1.8 1.8| 0.0 -5.4 -5.4 -3.6 -0.79| 3.9 -3.1 2000 244 7 206 1| 0.0 1.4 1.4| 0.0 -5.4 -5.4 -2.7 -0.79| 2.9 -2.3 2500 239 7 185 2| 0.0 1.1 1.1| 0.0 -5.4 -5.4 -2.1 -0.79| 2.3 -1.9 3000 236 7 177 2| 0.0 1.0 1.0| 0.3 -5.4 -5.1 -1.7 -0.74| 2.0 -1.5 4000 230 7 173 3| 0.0 1.0 1.0| 1.4 -5.4 -4.0 -1.0 -0.57| 1.7 -1.0 5000 225 8 173 4| 0.0 0.9 0.9| 2.2 -5.4 -3.1 -0.6 -0.48| 1.6 -0.8 6000 221 9 174 4| 0.0 0.9 0.9| 2.3 -6.1 -3.8 -0.6 -0.44| 1.5 -0.7 Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20250415.12.gif