UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121112.upa.cvt Date: 1200Z 11 DEC 25 Searching for U3472... Searching the city database file for: U3472 ... Date:1200Z 11 DEC 25 Station: U3472 WMO ident: 23472 Latitude: 65.78 Longitude: 87.95 ------------------------------------------------------------------------------- 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 1013 45 -30.7 -33.9 73 3.2 -30.9 55 5 241.6 241.6 241.4 242.1 0.21 1 1008 80 -28.5 -32.7 67 4.2 -28.8 65 5 244.1 244.1 243.9 244.7 0.24 2 1000 137 -28.5 -32.5 68 4.0 -28.7 80 5 244.6 244.7 244.4 245.3 0.25 3 994 180 -28.5 -32.3 70 3.8 -28.7 87 5 245.1 245.1 244.8 245.8 0.26 4 986 238 -26.5 -29.9 73 3.4 -26.8 96 5 247.6 247.7 247.3 248.5 0.32 5 982 268 -23.7 -27.3 72 3.6 -24.1 101 5 250.7 250.8 250.3 251.9 0.41 6 968 373 -21.7 -24.8 76 3.1 -22.1 118 4 253.8 253.9 253.2 255.2 0.53 7 925 707 -22.5 -25.9 74 3.4 -22.9 170 3 256.3 256.4 255.2 257.7 0.50 8 886 1024 -21.9 -25.6 72 3.7 -22.4 249 5 260.1 260.2 258.3 261.6 0.54 9 850 1329 -22.1 -29.1 53 7.0 -22.9 325 7 263.0 263.1 260.3 264.2 0.41 10 818 1611 -22.1 -33.1 36 11.0 -23.2 322 9 265.9 265.9 262.3 266.7 0.29 11 808 1702 -22.5 -34.5 33 12.0 -23.7 321 10 266.4 266.4 262.6 267.2 0.25 12 700 2745 -27.5 -43.5 20 16.0 -28.5 310 19 272.0 272.1 266.3 272.4 0.12 13 683 2921 -28.1 -43.1 22 15.0 -29.1 310 20 273.3 273.3 267.1 273.7 0.12 14 542 4541 -39.5 -54.5 19 15.0 -39.9 306 32 278.4 278.4 270.2 278.5 0.04 15 500 5090 -41.7 -57.7 16 16.0 -42.1 305 36 282.2 282.2 272.5 282.3 0.03 16 467 5549 -43.9 -58.9 17 15.0 -44.2 305 41 285.0 285.0 274.1 285.1 0.03 17 400 6570 -50.1 -64.1 18 14.0 -50.3 305 52 289.9 289.9 276.6 289.9 0.02 18 344 7545 -56.3 -69.3 18 13.0 -56.4 305 52 294.2 294.2 278.7 294.3 0.01 19 300 8410 -60.1 -72.1 19 12.0 -60.2 305 52 300.6 300.6 281.6 300.7 0.01 20 274 8972 -61.9 -73.9 19 12.0 -62.0 305 48 305.9 305.9 283.8 305.9 0.01 21 250 9540 -61.1 -73.1 19 12.0 -61.2 300 50 315.2 315.2 287.2 315.3 0.01 22 235 9922 -60.5 -72.5 19 12.0 -60.6 300 48 321.8 321.8 289.3 321.8 0.01 23 200 10920 -61.1 -73.1 19 12.0 -61.2 300 42 336.0 336.0 293.3 336.0 0.01 24 150 12700 -63.9 -75.9 18 12.0 -64.0 305 35 360.0 360.0 298.7 360.0 0.01 25 100 15160 -67.7 -79.7 17 12.0 -67.8 305 29 396.9 396.9 304.8 397.0 0.01 26 70 17280 -71.5 -84.5 13 13.0 -71.6 295 17 431.4 431.4 309.0 431.4 0.00 27 50 19260 -74.3 -87.3 12 13.0 -74.4 290 19 468.4 468.4 312.5 468.4 0.00 28 39 20702 -75.7 -88.7 11 13.0 -75.8 499.4 499.4 314.9 499.4 0.00 TRP 274 8972 -61.9 -73.9 19 12.0 -62.0 305 48 305.9 305.9 283.8 305.9 0.01 WND Sounding variables and indices 1000-500 mb thick: 4953.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.05 inches Sfc-500 mean rel hum: 35.42 % Est. max temperature: -10.25 C = 13.55 F Sfc-Lift cond lev (LCL): 959.44 mb = 438.34 m = 1438.12 ft T: -21.86 C 700-500 lapse rate: 6.06 C/km ThetaE index: 0.00 C Layer 1013.0- -0.0 mb Conv cond level (CCL): 1008.00 mb = 80.06 m = 262.65 ft Mean mixing ratio: 0.43 g/kg Conv temperature: -26.15 C = -15.06 F Cap Strength: 21.18 C Lifted Index: 23.85 C Risk: None Lifted Index @300 mb: 33.63 C Lifted Index @700 mb: 17.30 C Showalter Index: 14.88 C Risk: None Total Totals Index: 32.20 C Risk: None Vertical Totals Index: 19.60 C Cross Totals Index: 12.60 C K Index: -25.50 Risk: None Sweat Index: 50.00 Risk: None Energy Index: 3.85 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 59.08 J/kg Max Up Vert Vel: 10.87 m/s Conv Inhibition (B-): 40926.47 J/kg Cap Strength: 23.59 C Lift Cond Lev (LCL): 913.91 mb = 795.73 m = 2610.61 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 338 at 16 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 1013 45 55 5 -4.1 -2.9 | 140 16 -10.3 12.1 1 1000 137 80 5 -4.9 -0.9 | 142 18 -11.1 14.1 2 925 707 170 3 -0.5 3.0 | 160 19 -6.7 18.0 3 850 1329 325 7 4.0 -5.7 | 167 10 -2.2 9.3 4 700 2745 310 19 14.6 -12.2 | 252 9 8.4 2.8 5 500 5090 305 36 29.5 -20.6 | 284 24 23.3 -5.6 6 400 6570 305 52 42.6 -29.8 | 292 39 36.4 -14.8 7 300 8410 305 52 42.6 -29.8 | 292 39 36.4 -14.8 8 274 8972 305 48 39.3 -27.5 | 291 35 33.1 -12.5 9 250 9540 300 50 43.3 -25.0 | 285 38 37.1 -10.0 10 200 10920 300 42 36.4 -21.0 | 281 31 30.2 -6.0 11 150 12700 305 35 28.7 -20.1 | 283 23 22.5 -5.1 12 100 15160 305 29 23.8 -16.6 | 275 18 17.6 -1.6 13 70 17280 295 17 15.4 -7.2 | 230 12 9.2 7.8 14 50 19260 290 19 17.9 -6.5 | 234 14 11.7 8.5 Wind Parameters Mean winds (0-6000m): 307.6 at 21.6 knts Storm direction: 337.6 at 16.2 knts Shear (0-3000m) pos: 1.8 neg: 2.2 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): 121.5 deg Storm rel helicity (0-3000m) pos: 84.1 neg: -6.0 tot: 78.1 m^2/s^2 ave: 26.0 10^-3 m/s^2 rel: 0.59 Storm rel vorticity (0-3000m) horiz: 6.4 stream: 3.8 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.68 Bulk Shear: 86.33 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 97 4 146 19| 6.3 0.0 6.3| 25.6 0.0 25.6 51.3 0.71| 7.4 5.3 1000 132 4 153 20| 5.2 0.0 5.2| 58.9 0.0 58.9 58.9 0.79| 7.7 6.1 1500 359 5 149 12| 3.5 0.0 3.5| 63.9 -6.0 57.9 38.6 0.47| 8.4 3.9 2000 328 6 164 10| 2.7 1.1 3.8| 70.5 -6.0 64.5 32.3 0.53| 7.4 3.9 2500 320 8 174 9| 2.1 1.8 3.9| 77.4 -6.0 71.5 28.6 0.58| 6.8 4.0 3000 315 10 186 8| 1.8 2.2 4.0| 84.1 -6.0 78.1 26.0 0.59| 6.4 3.8 4000 312 14 214 7| 1.3 2.6 3.9| 96.7 -6.0 90.7 22.7 0.58| 5.7 3.3 5000 309 18 243 8| 1.1 2.8 3.9|107.1 -6.0 101.1 20.2 0.53| 5.3 2.9 6000 308 22 261 11| 0.9 3.3 4.1|131.4 -6.0 125.4 20.9 0.49| 5.4 2.7 Wrote GIF file: /home/apache/climate/data/raob//U3472/skewt/U3472.skewt.20251211.12.gif