UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120212.upa.cvt Date: 1200Z 2 DEC 25 Searching for U1824... Searching the city database file for: U1824 ... Date:1200Z 2 DEC 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 ------------------------------------------------------------------------------- SFC 1020 1 -21.7 -24.9 75 3.2 -22.1 210 31 250.0 250.1 249.8 251.4 0.50 1 1008 89 -18.7 -22.0 75 3.3 -19.1 219 31 253.9 254.0 253.5 255.6 0.65 2 1000 148 -18.5 -21.9 75 3.4 -19.0 225 31 254.6 254.8 254.2 256.4 0.66 3 961 446 -17.3 -21.4 70 4.1 -17.9 238 26 258.8 258.9 257.7 260.8 0.72 4 956 485 -15.9 -20.0 71 4.1 -16.6 239 25 260.6 260.7 259.3 262.8 0.82 5 925 733 -17.5 -22.5 65 5.0 -18.3 250 21 261.4 261.5 259.7 263.3 0.68 6 850 1360 -21.7 -26.7 64 5.0 -22.3 250 17 263.4 263.5 260.9 264.9 0.51 7 810 1713 -23.9 -28.9 63 5.0 -24.5 248 14 264.7 264.8 261.7 266.0 0.43 8 700 2759 -32.9 -36.5 70 3.6 -33.1 240 5 266.1 266.1 262.3 266.8 0.24 9 685 2911 -33.9 -37.3 71 3.4 -34.1 240 6 266.6 266.6 262.7 267.3 0.23 10 670 3066 -33.1 -36.2 74 3.1 -33.3 241 6 269.2 269.2 264.6 270.0 0.26 11 646 3320 -34.7 -37.6 75 2.9 -34.9 241 7 270.2 270.2 265.3 270.9 0.23 12 633 3462 -33.5 -36.4 75 2.9 -33.7 241 8 273.1 273.2 267.3 274.0 0.27 13 579 4081 -37.7 -41.3 69 3.6 -37.9 243 11 275.3 275.3 268.5 275.8 0.18 14 517 4854 -41.1 -45.1 65 4.0 -41.3 245 14 280.2 280.3 271.5 280.7 0.13 15 500 5080 -42.7 -47.3 61 4.6 -42.9 245 15 281.0 281.0 271.9 281.3 0.11 16 413 6344 -52.5 -58.5 48 6.0 -52.6 241 15 284.1 284.2 273.6 284.3 0.03 17 400 6550 -53.3 -59.3 48 6.0 -53.4 240 15 285.7 285.7 274.5 285.8 0.03 18 300 8380 -58.5 -64.5 46 6.0 -58.6 240 11 302.9 302.9 282.5 303.0 0.02 19 297 8443 -58.9 -64.9 46 6.0 -59.0 240 11 303.2 303.2 282.7 303.3 0.02 20 289 8615 -59.1 -65.1 46 6.0 -59.2 243 12 305.3 305.3 283.5 305.4 0.02 21 270 9043 -59.3 -65.3 46 6.0 -59.4 251 13 311.0 311.0 285.7 311.1 0.02 22 250 9530 -55.9 -61.9 47 6.0 -56.0 260 15 323.0 323.0 289.7 323.1 0.04 23 246 9632 -54.7 -60.7 47 6.0 -54.8 256 15 326.2 326.3 290.7 326.4 0.04 24 213 10543 -58.3 -64.3 46 6.0 -58.4 221 12 334.4 334.4 292.9 334.5 0.03 25 203 10846 -56.1 -63.1 41 7.0 -56.2 209 11 342.5 342.5 295.0 342.6 0.04 26 200 10940 -56.7 -63.7 41 7.0 -56.8 205 11 343.0 343.0 295.1 343.1 0.04 27 172 11895 -58.7 -65.7 40 7.0 -58.8 205 10 354.8 354.8 297.7 354.9 0.03 28 150 12760 -57.7 -65.7 35 8.0 -57.9 205 9 370.7 370.7 300.7 370.8 0.04 29 100 15300 -59.7 -69.7 26 10.0 -59.9 180 19 412.4 412.4 306.8 412.5 0.03 30 93 15754 -58.7 -68.7 26 10.0 -59.0 177 20 423.0 423.0 308.1 423.2 0.04 31 70 17520 -62.9 -72.9 25 10.0 -63.1 165 25 449.8 449.8 310.8 450.0 0.03 32 53 19226 -64.7 -74.7 24 10.0 -65.0 482.9 482.9 313.7 483.1 0.03 TRP 297 8443 -58.9 -64.9 46 6.0 -59.0 240 11 303.2 303.2 282.7 303.3 0.02 WND Sounding variables and indices 1000-500 mb thick: 4932.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.09 inches Sfc-500 mean rel hum: 68.33 % Est. max temperature: -8.79 C = 16.18 F Sfc-Lift cond lev (LCL): 967.31 mb = 396.81 m = 1301.86 ft T: -17.50 C 700-500 lapse rate: 4.22 C/km ThetaE index: 0.00 C Layer 1020.0- -0.0 mb Conv cond level (CCL): 814.22 mb = 1675.18 m = 5495.94 ft Mean mixing ratio: 0.70 g/kg Conv temperature: -7.06 C = 19.30 F Cap Strength: 17.12 C Lifted Index: 17.57 C Risk: None Lifted Index @300 mb: 30.66 C Lifted Index @700 mb: 6.28 C Showalter Index: 13.33 C Risk: None Total Totals Index: 37.00 C Risk: None Vertical Totals Index: 21.00 C Cross Totals Index: 16.00 C K Index: -9.30 Risk: None Sweat Index: 49.00 Risk: None Energy Index: 3.40 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 39.59 J/kg Max Up Vert Vel: 8.90 m/s Conv Inhibition (B-): 35363.06 J/kg Cap Strength: 17.37 C Lift Cond Lev (LCL): 907.75 mb = 872.55 m = 2862.66 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 272 at 10 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 1020 1 210 31 15.5 26.8 | 191 28 5.1 27.3 1 1000 148 225 31 21.9 21.9 | 207 25 11.5 22.4 2 925 733 250 21 19.7 7.2 | 231 12 9.3 7.6 3 850 1360 250 17 16.0 5.8 | 222 8 5.6 6.3 4 700 2759 240 5 4.3 2.5 | 116 7 -6.1 3.0 5 500 5080 245 15 13.6 6.3 | 205 8 3.2 6.8 6 400 6550 240 15 13.0 7.5 | 198 8 2.6 8.0 7 300 8380 240 11 9.5 5.5 | 172 6 -0.9 6.0 8 297 8443 240 11 9.5 5.5 | 172 6 -0.9 6.0 9 250 9530 260 15 14.8 2.6 | 235 5 4.4 3.1 10 200 10940 205 11 4.6 10.0 | 151 12 -5.8 10.4 11 150 12760 205 9 3.8 8.2 | 143 11 -6.6 8.6 12 100 15300 180 19 0.0 19.0 | 152 22 -10.4 19.5 13 70 17520 165 25 -6.5 24.1 | 146 30 -16.9 24.6 Wind Parameters Mean winds (0-6000m): 242.5 at 13.9 knts Storm direction: 272.5 at 10.4 knts Shear (0-3000m) pos: 3.5 neg: 2.3 tot: 5.8 10-3/s Storm rel Dir Shear (0-3000m): -66.9 deg Storm rel helicity (0-3000m) pos: 91.6 neg: -20.1 tot: 71.4 m^2/s^2 ave: 23.8 10^-3 m/s^2 rel: 0.09 Storm rel vorticity (0-3000m) horiz: 6.8 stream: 0.6 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 1.18 Bulk Shear: 33.54 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 ------------------------------------------------------------------------------- 500 227 29 208 23| 16.1 0.0 16.1| 81.4 0.0 81.4 162.8 0.73| 17.9 13.1 1000 235 25 215 18| 10.5 0.0 10.5| 90.3 -1.3 89.0 89.0 0.59| 12.7 7.5 1500 239 23 217 15| 7.0 1.2 8.2| 90.3 -5.6 84.8 56.5 0.45| 9.7 4.4 2000 240 20 215 13| 5.3 2.0 7.3| 90.3 -11.6 78.7 39.4 0.28| 8.4 2.3 2500 241 18 211 11| 4.2 2.5 6.7| 90.3 -17.4 73.0 29.2 0.13| 7.6 1.0 3000 241 16 205 9| 3.5 2.3 5.8| 91.6 -20.1 71.4 23.8 0.09| 6.8 0.6 4000 242 14 196 7| 2.5 1.7 4.2| 97.6 -20.1 77.5 19.4 0.18| 5.7 1.0 5000 242 14 194 7| 2.1 1.4 3.4|103.8 -20.1 83.6 16.7 0.24| 5.0 1.2 6000 242 14 196 7| 1.7 1.1 2.9|104.2 -21.4 82.8 13.8 0.23| 4.3 1.0 Wrote GIF file: /home/apache/climate/data/raob//U1824/skewt/U1824.skewt.20251202.12.gif