UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120112.upa.cvt Date: 1200Z 1 DEC 25 Searching for U4507... Searching the city database file for: U4507 ... Date:1200Z 1 DEC 25 Station: U4507 WMO ident: 24507 Latitude: 64.27 Longitude: 100.23 ------------------------------------------------------------------------------- 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 1004 189 -31.3 -35.5 66 4.2 -31.5 100 7 241.6 241.6 241.4 242.1 0.18 1 1000 217 -29.9 -34.0 67 4.1 -30.2 110 7 243.2 243.3 243.0 243.8 0.22 2 973 413 -25.3 -29.2 70 3.9 -25.6 145 16 249.8 249.9 249.3 250.8 0.35 3 925 778 -25.7 -29.4 71 3.7 -26.1 210 33 253.0 253.1 252.1 254.0 0.36 4 924 786 -25.7 -29.4 71 3.7 -26.1 210 33 253.1 253.2 252.2 254.1 0.36 5 880 1146 -20.1 -23.3 76 3.2 -20.5 216 37 262.5 262.6 260.5 264.3 0.66 6 850 1404 -20.9 -24.2 75 3.3 -21.4 220 40 264.3 264.4 261.8 266.0 0.63 7 809 1770 -20.1 -23.8 72 3.7 -20.7 225 38 268.9 269.0 265.2 270.9 0.69 8 700 2834 -23.7 -27.7 70 4.0 -24.2 240 33 276.2 276.3 269.9 277.9 0.56 9 670 3151 -25.3 -28.9 72 3.6 -25.8 247 32 277.9 278.0 270.8 279.5 0.52 10 655 3315 -23.9 -27.4 73 3.5 -24.4 251 32 281.3 281.4 273.0 283.2 0.62 11 581 4181 -26.1 -29.3 74 3.2 -26.5 270 30 288.6 288.7 276.9 290.4 0.58 12 543 4663 -31.1 -34.9 69 3.8 -31.4 282 28 288.2 288.3 276.3 289.4 0.36 13 500 5240 -34.7 -38.8 66 4.1 -35.0 295 27 290.7 290.8 277.4 291.6 0.27 14 400 6770 -44.7 -48.4 66 3.7 -44.9 305 36 296.9 296.9 280.1 297.3 0.12 15 387 6990 -45.9 -49.4 68 3.5 -46.0 307 38 298.1 298.2 280.7 298.5 0.11 16 322 8184 -56.1 -59.5 65 3.4 -56.2 316 51 300.1 300.1 281.4 300.3 0.04 17 300 8630 -59.1 -62.8 62 3.7 -59.2 320 56 302.0 302.0 282.3 302.1 0.03 18 260 9520 -64.9 -68.4 62 3.5 -64.9 325 64 306.1 306.1 283.8 306.2 0.01 19 250 9760 -66.5 -69.9 62 3.4 -66.5 325 60 307.2 307.2 284.3 307.2 0.01 20 247 9833 -66.9 -70.2 63 3.3 -66.9 325 60 307.7 307.7 284.5 307.7 0.01 21 200 11120 -61.9 -65.4 63 3.5 -61.9 320 38 334.7 334.7 293.0 334.9 0.03 22 186 11570 -61.7 -65.1 64 3.4 -61.7 324 37 342.1 342.1 294.8 342.2 0.03 23 150 12900 -62.9 -66.7 60 3.8 -63.0 335 36 361.7 361.7 299.1 361.9 0.03 24 102 15259 -64.1 -68.3 56 4.2 -64.2 340 27 401.6 401.6 305.5 401.8 0.04 25 100 15380 -64.5 -68.6 57 4.1 -64.6 340 27 403.1 403.1 305.6 403.3 0.04 26 70 17550 -68.1 -72.5 53 4.4 -68.2 345 25 438.7 438.7 309.7 438.9 0.03 27 50 19560 -69.9 -74.3 52 4.4 -70.0 355 11 478.8 478.8 313.4 479.0 0.03 28 47 19927 -70.9 -75.1 54 4.2 -71.0 484.9 484.9 313.8 485.1 0.03 TRP 247 9833 -66.9 -70.2 63 3.3 -66.9 325 60 307.7 307.7 284.5 307.7 0.01 WND 260 9520 -64.9 -68.4 62 3.5 -64.9 325 64 306.1 306.1 283.8 306.2 0.01 Sounding variables and indices 1000-500 mb thick: 5023.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.12 inches Sfc-500 mean rel hum: 71.53 % Est. max temperature: -8.84 C = 16.09 F Sfc-Lift cond lev (LCL): 934.67 mb = 702.90 m = 2306.07 ft T: -25.62 C 700-500 lapse rate: 4.57 C/km Conv cond level (CCL): 1000.00 mb = 217.00 m = 711.93 ft Mean mixing ratio: 0.34 g/kg Conv temperature: -28.81 C = -19.86 F Cap Strength: 31.77 C Lifted Index: 32.16 C Risk: None Lifted Index @300 mb: 35.80 C Lifted Index @700 mb: 22.51 C Showalter Index: 20.36 C Risk: None Total Totals Index: 24.30 C Risk: None Vertical Totals Index: 13.80 C Cross Totals Index: 10.50 C K Index: -14.40 Risk: None Sweat Index: 252.74 Risk: None Energy Index: 5.42 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 41.24 J/kg Max Up Vert Vel: 9.08 m/s Conv Inhibition (B-): 38848.07 J/kg Cap Strength: 31.96 C Lift Cond Lev (LCL): 896.81 mb = 1006.17 m = 3301.03 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 280 at 23 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 1004 189 100 7 -6.9 1.2 | 100 30 -29.9 5.2 1 1000 217 110 7 -6.6 2.4 | 102 30 -29.6 6.4 2 925 778 210 33 16.5 28.6 | 169 33 -6.5 32.6 3 850 1404 220 40 25.7 30.6 | 185 35 2.7 34.6 4 700 2834 240 33 28.6 16.5 | 195 21 5.6 20.5 5 500 5240 295 27 24.5 -11.4 | 349 8 1.5 -7.4 6 400 6770 305 36 29.5 -20.6 | 339 18 6.5 -16.7 7 300 8630 320 56 36.0 -42.9 | 342 41 13.0 -38.9 8 260 9520 325 64 36.7 -52.4 | 344 50 13.7 -48.4 9 250 9760 325 60 34.4 -49.1 | 346 47 11.4 -45.2 10 247 9833 325 60 34.4 -49.1 | 346 47 11.4 -45.2 11 200 11120 320 38 24.4 -29.1 | 357 25 1.4 -25.1 12 150 12900 335 36 15.2 -32.6 | 15 30 -7.8 -28.6 13 100 15380 340 27 9.2 -25.4 | 33 25 -13.7 -21.4 14 70 17550 345 25 6.5 -24.1 | 39 26 -16.5 -20.2 15 50 19560 355 11 1.0 -11.0 | 72 23 -22.0 -7.0 Wind Parameters Mean winds (0-6000m): 249.8 at 31.1 knts Storm direction: 279.8 at 23.3 knts Shear (0-3000m) pos: 6.6 neg: 0.0 tot: 6.6 10-3/s Storm rel Dir Shear (0-3000m): 103.3 deg Storm rel helicity (0-3000m) pos: 536.8 neg: 0.0 tot: 536.8 m^2/s^2 ave: 178.9 10^-3 m/s^2 rel: 0.82 Storm rel vorticity (0-3000m) horiz: 12.6 stream: 10.3 10^-3/s Energy-Hel index: 0.13 Bulk Rich Number: 0.34 Bulk Shear: 120.14 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 ------------------------------------------------------------------------------- 500 179 17 133 31| 31.0 0.0 31.0|316.2 0.0 316.2 632.4 0.95| 36.5 34.5 1000 207 26 157 29| 21.2 0.0 21.2|452.8 0.0 452.8 452.8 0.95| 26.3 25.1 1500 213 30 167 30| 14.7 0.0 14.7|495.0 0.0 495.0 330.0 0.93| 19.7 18.3 2000 217 32 173 30| 10.6 0.0 10.6|511.0 0.0 511.0 255.5 0.89| 16.1 14.3 2500 221 33 177 29| 8.1 0.0 8.1|521.3 0.0 521.3 208.5 0.85| 13.9 11.7 3000 224 33 179 27| 6.6 0.0 6.6|536.8 0.0 536.8 178.9 0.82| 12.6 10.3 4000 232 32 186 24| 4.7 0.0 4.7|561.3 0.0 561.3 140.3 0.79| 11.1 8.7 5000 240 31 192 20| 3.5 0.0 3.5|577.7 0.0 577.7 115.5 0.80| 10.1 8.1 6000 250 31 203 16| 3.4 0.0 3.4|578.3 -3.9 574.4 95.7 0.74| 9.0 6.6 Wrote GIF file: /home/apache/climate/data/raob//U4507/skewt/U4507.skewt.20251201.12.gif