UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041712.upa.cvt Date: 1200Z 17 APR 25 Searching for U1946... Searching the city database file for: U1946 ... Date:1200Z 17 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 1002 45 -15.1 -16.8 87 1.7 -15.4 80 3 257.9 258.1 257.6 260.6 1.02 1 1000 60 -14.7 -16.4 87 1.7 -15.0 75 3 258.5 258.6 258.1 261.3 1.06 2 983 191 -9.1 -11.2 85 2.1 -9.6 45 3 265.3 265.6 264.5 269.8 1.65 3 925 659 -10.9 -13.7 80 2.8 -11.6 300 5 268.2 268.4 266.1 272.1 1.43 4 858 1236 -11.7 -15.7 72 4.0 -12.6 287 7 273.2 273.4 269.2 276.9 1.31 5 850 1308 -12.1 -16.6 69 4.5 -13.1 285 7 273.5 273.7 269.2 277.0 1.23 6 707 2698 -19.1 -27.1 49 8.0 -20.3 313 7 280.5 280.6 272.5 282.3 0.59 7 700 2772 -19.5 -27.5 49 8.0 -20.7 315 7 280.9 281.0 272.7 282.6 0.57 8 580 4156 -24.3 -37.3 29 13.0 -25.7 323 16 290.8 290.8 277.5 291.7 0.27 9 533 4766 -28.9 -43.9 22 15.0 -30.0 327 20 292.4 292.4 278.1 292.9 0.15 10 500 5220 -32.5 -47.5 21 15.0 -33.4 330 23 293.4 293.4 278.5 293.8 0.10 11 400 6760 -43.5 -57.5 20 14.0 -43.9 305 17 298.5 298.5 280.7 298.6 0.04 12 331 8008 -52.5 -64.5 22 12.0 -52.7 289 20 302.7 302.7 282.5 302.8 0.02 13 300 8640 -54.9 -66.9 21 12.0 -55.1 280 21 308.0 308.0 284.6 308.0 0.02 14 294 8769 -55.7 -67.7 21 12.0 -55.8 265 19 308.6 308.6 284.8 308.7 0.01 15 280 9085 -50.1 -62.1 23 12.0 -50.4 248 18 321.0 321.0 289.1 321.1 0.03 16 250 9830 -47.9 -59.9 24 12.0 -48.3 210 15 334.9 334.9 293.1 335.1 0.05 17 200 11300 -44.1 -59.1 17 15.0 -44.9 235 15 362.9 363.0 299.3 363.2 0.07 18 196 11436 -43.9 -58.9 17 15.0 -44.7 235 15 365.4 365.4 299.8 365.7 0.07 19 150 13220 -47.3 -67.3 8 20.0 -48.1 230 19 388.6 388.6 303.6 388.7 0.03 20 100 15890 -49.7 -73.7 4 24.0 -50.6 250 11 431.7 431.7 309.0 431.8 0.02 21 70 18210 -51.5 -76.5 3 25.0 -52.6 255 11 474.2 474.2 313.0 474.3 0.02 22 62 18995 -53.3 -77.3 4 24.0 -54.3 487.0 487.0 314.0 487.1 0.02 TRP 294 8769 -55.7 -67.7 21 12.0 -55.8 265 19 308.6 308.6 284.8 308.7 0.01 WND Sounding variables and indices 1000-500 mb thick: 5160.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.17 inches Sfc-500 mean rel hum: 50.77 % Est. max temperature: 0.40 C = 32.72 F Sfc-Lift cond lev (LCL): 974.62 mb = 256.87 m = 842.73 ft T: -9.35 C 700-500 lapse rate: 5.31 C/km ThetaE index: 0.00 C Layer 1002.0- 0.0 mb Conv cond level (CCL): 1000.00 mb = 60.00 m = 196.85 ft Mean mixing ratio: 1.47 g/kg Conv temperature: -12.29 C = 9.88 F Cap Strength: 18.66 C Lifted Index: 19.10 C Risk: None Lifted Index @300 mb: 26.64 C Lifted Index @700 mb: 10.71 C Showalter Index: 13.83 C Risk: None Total Totals Index: 36.30 C Risk: None Vertical Totals Index: 20.40 C Cross Totals Index: 15.90 C K Index: -4.20 Risk: None Sweat Index: 37.00 Risk: None Energy Index: 3.56 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 26.47 J/kg Max Up Vert Vel: 7.28 m/s Conv Inhibition (B-): 35757.64 J/kg Cap Strength: 19.05 C Lift Cond Lev (LCL): 914.27 mb = 748.55 m = 2455.83 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 351 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 1002 45 80 3 -3.0 -0.5 | 152 9 -4.4 8.3 1 1000 60 75 3 -2.9 -0.8 | 152 9 -4.4 8.1 2 925 659 300 5 4.3 -2.5 | 204 7 2.9 6.3 3 850 1308 285 7 6.8 -1.8 | 217 9 5.3 7.0 4 700 2772 315 7 4.9 -4.9 | 222 5 3.5 3.9 5 500 5220 330 23 11.5 -19.9 | 318 15 10.0 -11.1 6 400 6760 305 17 13.9 -9.8 | 274 12 12.4 -0.9 7 300 8640 280 21 20.7 -3.6 | 255 20 19.2 5.2 8 294 8769 265 19 18.9 1.7 | 239 20 17.5 10.5 9 250 9830 210 15 7.5 13.0 | 195 23 6.0 21.8 10 200 11300 235 15 12.3 8.6 | 212 21 10.8 17.4 11 150 13220 230 19 14.6 12.2 | 212 25 13.1 21.0 12 100 15890 250 11 10.3 3.8 | 215 15 8.9 12.6 13 70 18210 255 11 10.6 2.8 | 218 15 9.1 11.7 Wind Parameters Mean winds (0-6000m): 320.5 at 11.9 knts Storm direction: 350.5 at 9.0 knts Shear (0-3000m) pos: 0.7 neg: 1.7 tot: 2.4 10-3/s Storm rel Dir Shear (0-3000m): 89.8 deg Storm rel helicity (0-3000m) pos: 14.4 neg: -1.0 tot: 13.3 m^2/s^2 ave: 4.4 10^-3 m/s^2 rel: 0.50 Storm rel vorticity (0-3000m) horiz: 3.0 stream: 1.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.14 Bulk Shear: 12.37 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 6 4 160 5| 0.0 6.6 6.6| 5.3 -1.0 4.3 8.5 0.45| 7.9 3.6 1000 309 5 199 6| 0.0 4.6 4.6| 9.3 -1.0 8.3 8.3 0.51| 5.8 3.0 1500 298 5 207 7| 0.0 3.3 3.3| 11.0 -1.0 10.0 6.7 0.51| 4.4 2.3 2000 297 6 210 7| 0.3 2.5 2.8| 11.7 -1.0 10.6 5.3 0.49| 3.6 1.8 2500 299 6 212 7| 0.5 2.0 2.5| 11.9 -1.0 10.9 4.4 0.46| 3.2 1.4 3000 302 6 215 7| 0.7 1.7 2.4| 14.4 -1.0 13.3 4.4 0.50| 3.0 1.5 4000 310 8 228 6| 1.3 1.2 2.6| 23.9 -1.0 22.8 5.7 0.59| 3.1 1.9 5000 318 10 254 5| 1.7 1.0 2.7| 35.9 -1.0 34.9 7.0 0.60| 3.2 1.9 6000 321 12 274 6| 1.5 1.0 2.5| 37.8 -21.6 16.1 2.7 0.36| 3.3 1.2 Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20250417.12.gif