UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120812.upa.cvt Date: 1200Z 8 DEC 25 Searching for U4507... Searching the city database file for: U4507 ... Date:1200Z 8 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 188 -39.1 -44.1 59 5.0 -39.2 295 1 233.8 233.8 233.7 234.0 0.08 1 1000 215 -39.5 -44.2 61 4.7 -39.6 280 3 233.6 233.7 233.5 233.9 0.08 2 987 305 -39.9 -44.5 61 4.6 -40.0 282 3 234.1 234.1 234.0 234.3 0.07 3 925 757 -32.5 -37.1 63 4.6 -32.7 290 5 246.1 246.1 245.5 246.6 0.17 4 877 1136 -25.9 -29.8 70 3.9 -26.3 328 8 256.7 256.8 255.2 257.7 0.37 5 850 1362 -25.1 -28.9 71 3.8 -25.5 350 9 259.9 259.9 257.9 261.0 0.41 6 818 1641 -24.3 -28.1 71 3.8 -24.7 355 10 263.6 263.6 260.9 264.9 0.46 7 748 2289 -26.5 -30.1 72 3.6 -26.9 6 12 268.0 268.1 264.1 269.2 0.42 8 700 2765 -29.7 -33.5 69 3.8 -30.0 15 13 269.6 269.6 265.0 270.6 0.32 9 500 5080 -43.9 -47.6 67 3.7 -44.0 20 13 279.5 279.5 271.1 279.9 0.10 10 492 5189 -44.9 -48.6 66 3.7 -45.0 20 13 279.6 279.6 271.1 279.9 0.09 11 400 6560 -51.5 -55.1 65 3.6 -51.6 15 17 288.1 288.1 275.7 288.2 0.05 12 300 8380 -61.3 -65.0 61 3.7 -61.3 30 25 298.9 298.9 280.9 299.0 0.02 13 270 9035 -65.1 -69.0 58 3.9 -65.1 35 23 302.6 302.6 282.4 302.6 0.01 14 250 9510 -63.3 -67.4 57 4.1 -63.3 30 17 312.0 312.0 286.1 312.0 0.02 15 200 10890 -60.1 -64.1 59 4.0 -60.2 355 11 337.6 337.6 293.7 337.7 0.03 16 189 11245 -58.7 -62.9 58 4.2 -58.8 346 12 345.3 345.4 295.6 345.5 0.04 17 150 12700 -59.1 -63.5 57 4.4 -59.2 310 17 368.3 368.3 300.3 368.5 0.05 18 100 15220 -61.1 -65.5 56 4.4 -61.2 275 19 409.7 409.7 306.5 410.0 0.06 19 70 17420 -63.7 -68.7 50 5.0 -63.8 265 21 448.1 448.1 310.7 448.4 0.05 20 50 19470 -67.5 -73.5 42 6.0 -67.7 250 29 484.4 484.4 313.8 484.6 0.04 21 37 21280 -68.3 -74.3 42 6.0 -68.5 525.9 525.9 316.7 526.2 0.04 TRP 270 9035 -65.1 -69.0 58 3.9 -65.1 35 23 302.6 302.6 282.4 302.6 0.01 WND Sounding variables and indices 1000-500 mb thick: 4865.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.06 inches Sfc-500 mean rel hum: 68.11 % Est. max temperature: -13.48 C = 7.74 F Sfc-Lift cond lev (LCL): 919.68 mb = 798.02 m = 2618.13 ft T: -31.79 C 700-500 lapse rate: 6.13 C/km ThetaE index: 0.13 C Layer 1000.0- 987.0 mb Conv cond level (CCL): 1000.00 mb = 215.00 m = 705.37 ft Mean mixing ratio: 0.13 g/kg Conv temperature: -38.54 C = -37.37 F Cap Strength: 25.65 C Lifted Index: 31.37 C Risk: None Lifted Index @300 mb: 40.87 C Lifted Index @700 mb: 25.65 C Showalter Index: 15.26 C Risk: None Total Totals Index: 33.80 C Risk: None Vertical Totals Index: 18.80 C Cross Totals Index: 15.00 C K Index: -13.90 Risk: None Sweat Index: 31.00 Risk: None Energy Index: 3.98 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 50.15 J/kg Max Up Vert Vel: 10.02 m/s Conv Inhibition (B-): 48032.35 J/kg Cap Strength: 31.28 C Lift Cond Lev (LCL): 893.74 mb = 1001.61 m = 3286.09 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 40 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 1004 188 295 1 0.9 -0.4 | 227 9 6.4 6.1 1 1000 215 280 3 3.0 -0.5 | 235 10 8.5 6.0 2 925 757 290 5 4.7 -1.7 | 245 11 10.2 4.8 3 850 1362 350 9 1.6 -8.9 | 288 7 7.1 -2.4 4 700 2765 15 13 -3.4 -12.6 | 340 6 2.2 -6.1 5 500 5080 20 13 -4.4 -12.2 | 349 6 1.1 -5.7 6 400 6560 15 17 -4.4 -16.4 | 354 10 1.1 -9.9 7 300 8380 30 25 -12.5 -21.7 | 25 17 -7.0 -15.1 8 270 9035 35 23 -13.2 -18.8 | 32 15 -7.7 -12.3 9 250 9510 30 17 -8.5 -14.7 | 20 9 -3.0 -8.2 10 200 10890 355 11 1.0 -11.0 | 305 8 6.5 -4.5 11 150 12700 310 17 13.0 -10.9 | 283 19 18.5 -4.4 12 100 15220 275 19 18.9 -1.7 | 259 25 24.4 4.8 13 70 17420 265 21 20.9 1.8 | 253 28 26.4 8.3 14 50 19470 250 29 27.3 9.9 | 243 37 32.8 16.4 Wind Parameters Mean winds (0-6000m): 10.3 at 11.4 knts Storm direction: 40.3 at 8.5 knts Shear (0-3000m) pos: 2.3 neg: 0.6 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 115.4 deg Storm rel helicity (0-3000m) pos: 39.1 neg: 0.0 tot: 39.1 m^2/s^2 ave: 13.0 10^-3 m/s^2 rel: 0.89 Storm rel vorticity (0-3000m) horiz: 3.3 stream: 2.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 2.79 Bulk Shear: 18.01 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 ------------------------------------------------------------------------------- 500 285 4 239 11| 0.0 3.9 3.9| 8.1 0.0 8.1 16.3 0.78| 4.0 3.1 1000 302 5 248 10| 2.8 1.9 4.8| 22.9 0.0 22.9 22.9 0.86| 5.0 4.3 1500 326 6 262 9| 3.2 1.3 4.4| 30.3 0.0 30.3 20.2 0.86| 4.7 4.1 2000 340 7 273 8| 2.9 1.0 3.8| 34.1 0.0 34.1 17.1 0.88| 4.1 3.6 2500 350 8 284 7| 2.7 0.8 3.5| 38.2 0.0 38.2 15.3 0.89| 3.8 3.4 3000 356 9 292 7| 2.3 0.6 3.0| 39.1 0.0 39.1 13.0 0.89| 3.3 2.9 4000 4 10 306 6| 1.8 0.5 2.3| 39.8 0.0 39.8 9.9 0.89| 2.5 2.2 5000 8 11 315 6| 1.5 0.4 1.8| 40.5 0.0 40.5 8.1 0.88| 2.1 1.8 6000 10 11 323 6| 1.2 0.5 1.7| 41.2 0.0 41.2 6.9 0.79| 2.0 1.6 Wrote GIF file: /home/apache/climate/data/raob//U4507/skewt/U4507.skewt.20251208.12.gif