UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041612.upa.cvt Date: 1200Z 16 APR 25 Searching for U1824... Searching the city database file for: U1824 ... Date:1200Z 16 APR 25 Station: U1824 WMO ident: 21824 Latitude: 71.58 Longitude: 128.92 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 -6 210 3 SFC 998 9 -20.1 -24.3 69 4.2 -20.6 210 3 253.2 253.3 252.7 254.6 0.54 2 984 115 -15.7 -19.9 70 4.2 -16.4 196 4 258.6 258.8 257.8 260.8 0.80 3 972 208 -13.9 -17.9 72 4.0 -14.7 184 6 261.4 261.5 260.2 264.0 0.96 4 967 247 -10.3 -13.5 77 3.2 -11.1 179 6 265.4 265.6 264.1 269.2 1.39 5 959 312 -8.5 -11.3 80 2.8 -9.2 171 7 267.8 268.1 266.3 272.4 1.68 6 955 344 -8.9 -11.6 81 2.7 -9.6 167 8 267.8 268.0 266.2 272.3 1.64 7 925 592 -7.9 -12.9 67 5.0 -9.2 135 11 271.2 271.5 268.3 275.5 1.53 8 898 822 -7.7 -14.7 57 7.0 -9.5 139 10 273.7 274.0 269.7 277.6 1.36 9 850 1246 -9.7 -20.7 40 11.0 -12.1 145 9 276.0 276.1 270.2 278.5 0.86 10 847 1273 -10.1 -22.1 37 12.0 -12.5 146 9 275.8 276.0 270.0 278.1 0.77 11 817 1551 -11.3 -21.3 43 10.0 -13.4 153 9 277.4 277.6 271.1 280.0 0.85 12 700 2718 -19.3 -30.3 37 11.0 -20.8 185 7 281.1 281.2 272.6 282.5 0.44 13 630 3495 -24.3 -35.3 35 11.0 -25.5 198 8 284.0 284.1 274.0 285.0 0.30 14 581 4081 -27.7 -41.7 25 14.0 -28.8 207 8 286.7 286.7 275.2 287.3 0.17 15 500 5150 -33.1 -40.1 50 7.0 -33.6 225 9 292.7 292.7 278.4 293.5 0.23 16 452 5850 -37.1 -43.1 54 6.0 -37.5 241 9 296.2 296.3 280.0 296.9 0.19 17 400 6680 -42.9 -47.6 60 4.7 -43.1 260 9 299.2 299.3 281.2 299.7 0.13 18 390 6851 -43.7 -48.3 60 4.6 -43.9 257 9 300.4 300.4 281.7 300.8 0.12 19 321 8136 -53.7 -58.5 56 4.8 -53.8 231 7 303.7 303.7 283.0 303.9 0.04 20 306 8443 -55.5 -60.0 57 4.5 -55.6 225 7 305.4 305.4 283.6 305.5 0.04 21 300 8570 -55.5 -60.0 57 4.5 -55.6 220 9 307.1 307.1 284.3 307.3 0.04 22 294 8699 -55.9 -60.4 57 4.5 -56.0 218 9 308.3 308.3 284.7 308.5 0.04 23 255 9620 -49.1 -54.1 56 5.0 -49.3 202 13 331.2 331.2 292.2 331.6 0.10 24 250 9750 -49.1 -54.1 56 5.0 -49.3 200 13 333.1 333.1 292.6 333.5 0.10 25 204 11088 -44.5 -54.5 32 10.0 -45.1 200 17 360.3 360.3 298.8 360.8 0.11 26 200 11220 -44.9 -54.9 32 10.0 -45.4 200 17 361.7 361.7 299.1 362.2 0.11 27 150 13140 -47.1 -64.1 13 17.0 -47.9 215 15 388.9 388.9 303.6 389.1 0.05 28 100 15810 -48.9 -69.9 7 21.0 -49.9 210 11 433.2 433.3 309.2 433.4 0.03 29 70 18130 -51.7 -73.7 5 22.0 -52.7 200 9 473.8 473.8 313.0 473.9 0.03 30 50 20300 -55.3 -77.3 5 22.0 -56.2 235 11 513.2 513.2 315.9 513.3 0.02 31 30 23530 -58.3 -80.3 4 22.0 -59.4 270 11 585.7 585.7 319.9 585.9 0.02 32 26 24433 -58.5 -79.5 5 21.0 -59.7 266 12 609.6 609.6 321.0 609.8 0.03 33 20 26100 -55.1 -78.1 4 23.0 -57.2 260 13 667.5 667.5 323.3 667.9 0.05 34 17 27141 -54.5 -76.5 5 22.0 -57.0 252 13 701.2 701.2 324.5 701.8 0.07 35 10 30630 -43.3 -68.3 5 25.0 -51.4 225 11 857.9 858.1 328.7 862.1 0.39 36 9.1 31267 -41.5 -67.5 4 26.0 -50.8 888.3 888.5 329.3 893.6 0.48 TRP 306 8443 -55.5 -60.0 57 4.5 -55.6 225 7 305.4 305.4 283.6 305.5 0.04 WND Sounding variables and indices 1000-500 mb thick: 5156.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.15 inches Sfc-500 mean rel hum: 43.10 % Est. max temperature: 2.58 C = 36.65 F Sfc-Lift cond lev (LCL): 931.14 mb = 540.64 m = 1773.73 ft T: -8.11 C 700-500 lapse rate: 5.67 C/km ThetaE index: 0.41 C Layer 847.0- 817.0 mb Conv cond level (CCL): 998.00 mb = 8.87 m = 29.10 ft Mean mixing ratio: 1.32 g/kg Conv temperature: -13.78 C = 7.20 F Cap Strength: 14.35 C Lifted Index: 18.38 C Risk: None Lifted Index @300 mb: 25.98 C Lifted Index @700 mb: 10.80 C Showalter Index: 12.00 C Risk: None Total Totals Index: 35.80 C Risk: None Vertical Totals Index: 23.40 C Cross Totals Index: 12.40 C K Index: -8.30 Risk: None Sweat Index: 27.00 Risk: None Energy Index: 3.11 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 73.70 J/kg Max Up Vert Vel: 12.14 m/s Conv Inhibition (B-): 65664.89 J/kg Cap Strength: 17.96 C Lift Cond Lev (LCL): 888.43 mb = 904.36 m = 2967.03 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 219 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 ---------------------------------------------------------- 0 998 9 210 3 1.5 2.6 | 47 3 -2.4 -2.2 1 925 592 135 11 -7.8 7.8 | 104 12 -11.7 2.9 2 850 1246 145 9 -5.2 7.4 | 106 9 -9.0 2.5 3 700 2718 185 7 0.6 7.0 | 123 4 -3.3 2.1 4 500 5150 225 9 6.4 6.4 | 238 3 2.5 1.5 5 400 6680 260 9 8.9 1.6 | 303 6 5.0 -3.3 6 306 8443 225 7 4.9 4.9 | 264 1 1.1 0.1 7 300 8570 220 9 5.8 6.9 | 223 3 1.9 2.1 8 250 9750 200 13 4.4 12.2 | 184 7 0.6 7.4 9 200 11220 200 17 5.8 16.0 | 190 11 1.9 11.1 10 150 13140 215 15 8.6 12.3 | 212 9 4.7 7.5 11 100 15810 210 11 5.5 9.5 | 199 5 1.6 4.7 12 70 18130 200 9 3.1 8.5 | 168 4 -0.8 3.6 13 50 20300 235 11 9.0 6.3 | 254 5 5.1 1.5 14 30 23530 270 11 11.0 -0.0 | 304 9 7.1 -4.8 15 20 26100 260 13 12.8 2.3 | 286 9 8.9 -2.6 16 10 30630 225 11 7.8 7.8 | 233 5 3.9 2.9 Wind Parameters Mean winds (0-6000m): 188.7 at 8.3 knts Storm direction: 218.7 at 6.2 knts Shear (0-3000m) pos: 1.3 neg: 1.6 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): 84.3 deg Storm rel helicity (0-3000m) pos: 8.6 neg: -4.4 tot: 4.2 m^2/s^2 ave: 1.4 10^-3 m/s^2 rel: 0.24 Storm rel vorticity (0-3000m) horiz: 3.7 stream: 0.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 22.55 Bulk Shear: 3.27 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 ------------------------------------------------------------------------------- 500 152 6 97 7| 0.0 9.2 9.2| 3.2 -1.6 1.6 3.1 0.31| 10.4 3.2 1000 143 8 102 9| 0.0 4.7 4.7| 3.9 -4.4 -0.5 -0.5 0.17| 7.2 1.2 1500 144 9 103 9| 0.7 3.1 3.8| 5.4 -4.4 1.0 0.7 0.19| 5.5 1.0 2000 147 9 106 9| 1.1 2.3 3.4| 7.1 -4.4 2.7 1.4 0.21| 4.7 1.0 2500 151 8 108 8| 1.2 1.9 3.1| 8.0 -4.4 3.6 1.4 0.22| 4.1 0.9 3000 156 8 110 8| 1.3 1.6 2.8| 8.6 -4.4 4.2 1.4 0.24| 3.7 0.9 4000 166 8 117 7| 1.2 1.2 2.4| 10.1 -4.4 5.7 1.4 0.30| 3.1 0.9 5000 178 8 128 5| 1.2 0.9 2.2| 11.7 -4.4 7.3 1.5 0.36| 2.7 1.0 6000 189 8 142 4| 1.3 0.8 2.0| 14.5 -4.4 10.1 1.7 0.42| 2.6 1.1 Wrote GIF file: /home/apache/climate/data/raob//U1824/skewt/U1824.skewt.20250416.12.gif