UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121200.upa.cvt Date: 0000Z 12 DEC 25 Searching for U4507... Searching the city database file for: U4507 ... Date:0000Z 12 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 ------------------------------------------------------------------------------- 0 1000 174 350 1 SFC 998 187 -45.5 -51.5 51 6.0 -45.6 350 1 227.8 227.8 227.7 227.9 0.03 2 943 569 -39.9 -44.9 59 5.0 -40.0 357 4 237.2 237.2 237.0 237.4 0.07 3 925 701 -36.5 -41.5 60 5.0 -36.7 360 5 242.0 242.0 241.6 242.3 0.11 4 873 1108 -27.9 -32.7 63 4.8 -28.3 333 8 255.0 255.0 253.6 255.8 0.28 5 850 1299 -26.7 -31.3 65 4.6 -27.1 320 9 258.2 258.2 256.4 259.1 0.33 6 844 1350 -26.3 -30.8 66 4.5 -26.7 320 10 259.1 259.2 257.2 260.1 0.35 7 737 2328 -29.1 -33.2 68 4.1 -29.5 313 19 266.3 266.4 262.7 267.2 0.32 8 700 2696 -30.1 -34.3 67 4.2 -30.4 310 23 269.2 269.2 264.7 270.1 0.30 9 682 2881 -30.7 -35.4 63 4.7 -31.1 310 24 270.5 270.5 265.6 271.3 0.27 10 634 3394 -34.1 -41.1 49 7.0 -34.5 309 27 272.3 272.4 266.6 272.8 0.17 11 556 4300 -39.5 -46.5 47 7.0 -39.8 307 32 276.4 276.4 269.1 276.7 0.11 12 513 4847 -41.5 -48.5 47 7.0 -41.8 305 35 280.4 280.4 271.5 280.7 0.09 13 500 5020 -42.5 -48.5 52 6.0 -42.7 305 36 281.2 281.2 272.1 281.5 0.09 14 484 5239 -45.1 -51.1 51 6.0 -45.3 304 37 280.6 280.7 271.6 280.9 0.07 15 416 6243 -48.5 -55.5 44 7.0 -48.7 301 39 288.7 288.7 276.1 288.9 0.05 16 400 6500 -50.1 -57.1 43 7.0 -50.3 300 40 289.9 289.9 276.7 290.0 0.04 17 347 7414 -56.3 -64.3 36 8.0 -56.4 302 45 293.5 293.5 278.4 293.6 0.02 18 300 8330 -59.3 -67.3 35 8.0 -59.4 305 50 301.8 301.8 282.1 301.8 0.01 19 285 8654 -60.1 -68.1 34 8.0 -60.2 305 48 305.1 305.1 283.4 305.1 0.01 20 250 9480 -60.5 -68.5 34 8.0 -60.6 305 46 316.1 316.1 287.5 316.2 0.02 21 200 10870 -59.1 -67.1 35 8.0 -59.2 310 38 339.2 339.2 294.1 339.3 0.02 22 156 12417 -60.3 -69.3 30 9.0 -60.4 306 30 362.1 362.1 299.1 362.2 0.02 23 150 12660 -60.9 -69.9 30 9.0 -61.0 305 29 365.2 365.2 299.7 365.3 0.02 24 101 15090 -65.3 -75.3 24 10.0 -65.4 305 23 400.4 400.4 305.3 400.5 0.01 25 100 15150 -65.5 -75.5 24 10.0 -65.6 305 23 401.2 401.2 305.4 401.2 0.01 26 70 17300 -68.9 -78.9 22 10.0 -69.0 265 17 437.0 437.0 309.6 437.0 0.01 27 51 19183 -72.3 -83.3 18 11.0 -72.4 260 13 470.4 470.4 312.7 470.5 0.01 28 50 19300 -71.9 -82.9 18 11.0 -72.0 260 13 474.1 474.1 313.0 474.1 0.01 29 42 20331 -70.7 -81.7 18 11.0 -70.8 501.3 501.3 315.1 501.3 0.01 TRP 285 8654 -60.1 -68.1 34 8.0 -60.2 305 48 305.1 305.1 283.4 305.1 0.01 WND Sounding variables and indices 1000-500 mb thick: 4846.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.05 inches Sfc-500 mean rel hum: 57.40 % Est. max temperature: -14.81 C = 5.34 F Sfc-Lift cond lev (LCL): 895.51 mb = 928.66 m = 3046.76 ft T: -31.68 C 700-500 lapse rate: 5.34 C/km Conv cond level (CCL): 998.00 mb = 187.31 m = 614.51 ft Mean mixing ratio: 0.09 g/kg Conv temperature: -43.01 C = -45.42 F Cap Strength: 35.36 C Lifted Index: 35.76 C Risk: None Lifted Index @300 mb: 45.45 C Lifted Index @700 mb: 28.53 C Showalter Index: 18.18 C Risk: None Total Totals Index: 27.00 C Risk: None Vertical Totals Index: 15.80 C Cross Totals Index: 11.20 C K Index: -19.70 Risk: None Sweat Index: 54.00 Risk: None Energy Index: 4.75 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 79.21 J/kg Max Up Vert Vel: 12.59 m/s Conv Inhibition (B-): 49099.30 J/kg Cap Strength: 35.68 C Lift Cond Lev (LCL): 882.01 mb = 1035.36 m = 3396.80 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 338 at 18 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 ---------------------------------------------------------- 0 998 187 350 1 0.2 -1.0 | 157 17 -6.5 15.4 1 925 701 360 5 -0.0 -5.0 | 150 13 -6.7 11.3 2 850 1299 320 9 5.8 -6.9 | 175 9 -0.9 9.4 3 700 2696 310 23 17.6 -14.8 | 262 11 11.0 1.6 4 500 5020 305 36 29.5 -20.6 | 281 23 22.8 -4.3 5 400 6500 300 40 34.6 -20.0 | 277 28 28.0 -3.7 6 300 8330 305 50 41.0 -28.7 | 290 36 34.3 -12.3 7 285 8654 305 48 39.3 -27.5 | 289 35 32.7 -11.2 8 250 9480 305 46 37.7 -26.4 | 288 33 31.0 -10.0 9 200 10870 310 38 29.1 -24.4 | 290 24 22.4 -8.1 10 150 12660 305 29 23.8 -16.6 | 271 17 17.1 -0.3 11 100 15150 305 23 18.8 -13.2 | 255 13 12.2 3.1 12 70 17300 265 17 16.9 1.5 | 210 21 10.3 17.8 13 50 19300 260 13 12.8 2.3 | 198 20 6.1 18.6 Wind Parameters Mean winds (0-6000m): 307.8 at 23.5 knts Storm direction: 337.8 at 17.6 knts Shear (0-3000m) pos: 0.7 neg: 3.9 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): 112.3 deg Storm rel helicity (0-3000m) pos: 41.9 neg: -7.1 tot: 34.8 m^2/s^2 ave: 11.6 10^-3 m/s^2 rel: 0.59 Storm rel vorticity (0-3000m) horiz: 4.7 stream: 2.7 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.26 Bulk Shear: 62.74 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 ------------------------------------------------------------------------------- 500 358 3 154 15| 4.0 0.0 4.0| 0.0 -7.1 -7.1 -14.2 -0.47| 4.0 -1.9 1000 346 5 155 13| 2.0 2.5 4.5| 8.8 -7.1 1.7 1.7 0.14| 4.6 0.7 1500 332 7 161 11| 1.3 3.4 4.7| 18.9 -7.1 11.8 7.9 0.41| 4.9 2.0 2000 324 9 170 9| 1.0 3.8 4.8| 28.0 -7.1 20.9 10.5 0.55| 5.0 2.8 2500 318 11 185 8| 0.8 4.1 4.9| 36.7 -7.1 29.6 11.8 0.59| 5.0 3.0 3000 316 13 199 7| 0.7 3.9 4.6| 41.9 -7.1 34.8 11.6 0.59| 4.7 2.7 4000 312 17 230 8| 0.5 3.7 4.2| 51.1 -7.1 44.0 11.0 0.55| 4.3 2.3 5000 310 21 251 10| 0.4 3.5 3.9| 57.2 -7.8 49.4 9.9 0.50| 4.0 2.0 6000 308 24 261 12| 0.3 3.2 3.5| 57.2 -14.3 42.9 7.1 0.44| 3.6 1.6 Wrote GIF file: /home/apache/climate/data/raob//U4507/skewt/U4507.skewt.20251212.00.gif