UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041700.upa.cvt Date: 0000Z 17 APR 25 Searching for U3472... Searching the city database file for: U3472 ... Date:0000Z 17 APR 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 ------------------------------------------------------------------------------- 0 1000 -30 300 5 SFC 991 41 -5.5 -8.7 78 3.2 -6.5 300 5 268.3 268.7 267.2 273.8 1.99 2 938 469 -8.9 -12.9 73 4.0 -9.9 320 8 269.1 269.4 266.9 273.3 1.51 3 925 577 -9.9 -14.1 71 4.2 -10.9 325 9 269.2 269.4 266.7 273.0 1.39 4 882 942 -12.9 -15.9 78 3.0 -13.6 325 11 269.8 270.0 266.9 273.3 1.25 5 868 1064 -12.5 -15.4 79 2.9 -13.2 325 12 271.4 271.6 268.1 275.2 1.33 6 850 1224 -13.7 -17.4 74 3.7 -14.5 325 13 271.8 272.0 268.0 275.1 1.15 7 802 1664 -16.3 -22.3 60 6.0 -17.4 316 14 273.6 273.7 268.6 275.9 0.80 8 792 1758 -15.9 -21.9 60 6.0 -17.0 314 14 275.0 275.1 269.5 277.4 0.84 9 700 2679 -21.3 -29.3 49 8.0 -22.4 295 15 278.9 279.0 271.4 280.4 0.48 10 569 4182 -29.5 -42.5 27 13.0 -30.4 273 35 286.3 286.3 275.0 286.8 0.16 11 534 4634 -30.5 -45.5 22 15.0 -31.5 267 42 290.3 290.4 277.0 290.8 0.12 12 530 4688 -30.3 -45.3 22 15.0 -31.3 266 42 291.2 291.2 277.4 291.6 0.13 13 500 5100 -32.9 -44.9 29 12.0 -33.7 260 48 292.9 293.0 278.3 293.4 0.14 14 400 6630 -45.3 -52.3 45 7.0 -45.5 255 46 296.1 296.1 279.7 296.4 0.08 15 374 7074 -48.9 -54.9 50 6.0 -49.1 255 46 297.1 297.1 280.1 297.3 0.06 16 370 7145 -48.7 -54.7 50 6.0 -48.8 255 47 298.3 298.3 280.7 298.5 0.06 17 333 7836 -48.9 -55.9 44 7.0 -49.1 255 62 307.1 307.1 284.3 307.3 0.06 18 300 8520 -49.1 -57.1 39 8.0 -49.3 255 54 316.1 316.2 287.5 316.4 0.06 19 250 9720 -47.5 -58.5 27 11.0 -47.9 255 46 335.4 335.5 293.2 335.7 0.06 20 228 10331 -46.5 -59.5 21 13.0 -47.0 259 45 345.9 345.9 295.8 346.2 0.06 21 200 11200 -47.1 -62.1 16 15.0 -47.7 265 44 358.2 358.2 298.4 358.4 0.04 22 150 13110 -46.7 -65.7 10 19.0 -47.5 270 36 389.6 389.6 303.8 389.8 0.04 23 106 15404 -46.9 -67.9 7 21.0 -48.0 261 32 429.9 429.9 308.9 430.1 0.04 24 100 15790 -46.3 -67.3 7 21.0 -47.6 260 31 438.3 438.3 309.7 438.5 0.04 25 92 16345 -46.5 -68.5 6 22.0 -47.9 268 28 448.4 448.5 310.7 448.7 0.04 26 85 16872 -45.5 -67.5 7 22.0 -47.1 276 25 460.7 460.8 311.8 461.0 0.05 27 70 18160 -48.7 -70.7 6 22.0 -50.1 295 17 480.2 480.2 313.5 480.4 0.04 28 65 18645 -50.3 -72.3 6 22.0 -51.5 301 17 487.0 487.0 314.0 487.2 0.03 29 59 19278 -49.5 -71.5 6 22.0 -51.0 308 17 502.5 502.5 315.1 502.7 0.04 30 53 19984 -46.7 -69.7 6 23.0 -48.8 316 17 524.6 524.6 316.6 525.0 0.06 31 50 20370 -47.5 -70.5 5 23.0 -49.6 320 17 531.5 531.6 317.1 531.9 0.06 32 46 20916 -50.7 -72.7 6 22.0 -52.3 319 16 536.6 536.7 317.3 536.9 0.04 33 39 21995 -48.5 -71.5 5 23.0 -50.8 318 15 568.1 568.2 319.1 568.6 0.06 34 30 23710 -50.9 -73.9 5 23.0 -53.2 315 13 605.9 605.9 320.9 606.3 0.06 35 26 24638 -53.7 -75.7 5 22.0 -55.6 311 18 623.2 623.3 321.6 623.6 0.05 36 21 26022 -51.3 -74.3 5 23.0 -54.2 306 25 669.7 669.8 323.4 670.4 0.08 37 20 26340 -51.1 -74.1 5 23.0 -54.1 305 27 679.8 679.8 323.8 680.5 0.08 38 16 27794 -50.3 -73.3 5 23.0 -54.1 727.2 727.2 325.3 728.2 0.12 TRP 374 7074 -48.9 -54.9 50 6.0 -49.1 255 46 297.1 297.1 280.1 297.3 0.06 WND 333 7836 -48.9 -55.9 44 7.0 -49.1 255 62 307.1 307.1 284.3 307.3 0.06 Sounding variables and indices 1000-500 mb thick: 5130.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.16 inches Sfc-500 mean rel hum: 49.60 % Est. max temperature: -1.73 C = 28.89 F Sfc-Lift cond lev (LCL): 941.94 mb = 436.47 m = 1431.97 ft T: -8.64 C 700-500 lapse rate: 4.79 C/km ThetaE index: 0.73 C Layer 938.0- 882.0 mb Conv cond level (CCL): 850.42 mb = 1220.22 m = 4003.29 ft Mean mixing ratio: 1.56 g/kg Conv temperature: -2.06 C = 28.28 F Cap Strength: 15.21 C Lifted Index: 16.30 C Risk: None Lifted Index @300 mb: 30.33 C Lifted Index @700 mb: 6.51 C Showalter Index: 14.95 C Risk: None Total Totals Index: 34.70 C Risk: None Vertical Totals Index: 19.20 C Cross Totals Index: 15.50 C K Index: -6.20 Risk: None Sweat Index: 74.00 Risk: None Energy Index: 3.83 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.64 J/kg Max Up Vert Vel: 3.05 m/s Conv Inhibition (B-): 68367.91 J/kg Cap Strength: 16.01 C Lift Cond Lev (LCL): 887.33 mb = 895.98 m = 2939.53 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 303 at 19 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 ---------------------------------------------------------- 0 991 41 300 5 4.3 -2.5 | 125 14 -11.7 8.1 1 925 577 325 9 5.2 -7.4 | 107 11 -10.9 3.3 2 850 1224 325 13 7.5 -10.6 | 90 9 -8.6 -0.0 3 700 2679 295 15 13.6 -6.3 | 150 5 -2.5 4.3 4 500 5100 260 48 47.3 8.3 | 239 37 31.2 19.0 5 400 6630 255 46 44.4 11.9 | 232 36 28.4 22.5 6 374 7074 255 46 44.4 11.9 | 232 36 28.4 22.5 7 333 7836 255 62 59.9 16.0 | 239 51 43.8 26.7 8 300 8520 255 54 52.2 14.0 | 236 44 36.1 24.6 9 250 9720 255 46 44.4 11.9 | 232 36 28.4 22.5 10 200 11200 265 44 43.8 3.8 | 242 31 27.8 14.5 11 150 13110 270 36 36.0 -0.0 | 242 23 19.9 10.6 12 100 15790 260 31 30.5 5.4 | 222 22 14.5 16.0 13 70 18160 295 17 15.4 -7.2 | 169 4 -0.7 3.4 14 50 20370 320 17 10.9 -13.0 | 65 6 -5.1 -2.4 15 30 23710 315 13 9.2 -9.2 | 102 7 -6.9 1.4 16 20 26340 305 27 22.1 -15.5 | 309 8 6.0 -4.9 Wind Parameters Mean winds (0-6000m): 273.5 at 25.7 knts Storm direction: 303.5 at 19.3 knts Shear (0-3000m) pos: 1.3 neg: 2.1 tot: 3.4 10-3/s Storm rel Dir Shear (0-3000m): 89.9 deg Storm rel helicity (0-3000m) pos: 13.7 neg: -20.0 tot: -6.3 m^2/s^2 ave: -2.1 10^-3 m/s^2 rel: 0.18 Storm rel vorticity (0-3000m) horiz: 3.7 stream: 0.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.08 Bulk Shear: 58.81 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 ------------------------------------------------------------------------------- 500 315 7 117 13| 4.7 0.0 4.7| 0.0 -11.5 -11.5 -22.9 -0.75| 4.8 -3.6 1000 321 9 110 11| 3.9 0.0 3.9| 0.0 -17.9 -17.9 -17.9 -0.74| 4.0 -3.0 1500 322 10 106 10| 2.6 0.7 3.3| 1.3 -20.0 -18.7 -12.5 -0.58| 3.6 -2.1 2000 319 11 105 9| 2.0 1.1 3.1| 4.1 -20.0 -15.9 -7.9 -0.33| 3.4 -1.1 2500 315 12 107 8| 1.6 1.4 3.0| 7.4 -20.0 -12.6 -5.0 -0.11| 3.2 -0.4 3000 310 13 112 7| 1.3 2.1 3.4| 13.7 -20.0 -6.3 -2.1 0.18| 3.7 0.7 4000 297 16 152 4| 1.0 3.5 4.5| 21.9 -20.2 1.7 0.4 0.21| 4.7 1.0 5000 281 21 216 8| 0.8 4.5 5.2| 21.9 -47.9 -26.0 -5.2 0.08| 5.5 0.4 6000 273 26 227 13| 0.7 3.8 4.4| 21.9 -78.5 -56.6 -9.4 0.02| 5.0 0.1 Wrote GIF file: /home/apache/climate/data/raob//U3472/skewt/U3472.skewt.20250417.00.gif