UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041712.upa.cvt Date: 1200Z 17 APR 25 Searching for U3472... Searching the city database file for: U3472 ... Date:1200Z 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 -28 355 7 SFC 991 44 -1.9 -14.9 36 13.0 -5.4 355 7 272.0 272.2 268.2 275.4 1.21 2 949 386 -5.3 -17.3 38 12.0 -8.2 8 11 271.9 272.1 267.9 274.8 1.04 3 925 586 -6.5 -18.5 38 12.0 -9.3 15 13 272.7 272.8 268.3 275.4 0.96 4 850 1241 -11.3 -27.3 25 16.0 -14.0 10 15 274.3 274.4 268.5 275.7 0.48 5 700 2700 -21.7 -38.7 20 17.0 -23.4 355 7 278.5 278.5 270.6 279.1 0.19 6 672 2998 -23.7 -40.7 19 17.0 -25.2 340 10 279.5 279.5 271.1 280.0 0.16 7 607 3737 -25.1 -42.1 19 17.0 -26.6 304 19 286.1 286.1 274.9 286.6 0.16 8 603 3785 -25.3 -42.3 19 17.0 -26.8 302 19 286.4 286.5 275.0 286.9 0.15 9 542 4551 -29.7 -36.7 51 7.0 -30.4 264 28 290.1 290.1 277.2 291.1 0.30 10 500 5120 -33.3 -41.3 45 8.0 -33.9 235 35 292.4 292.5 278.2 293.1 0.21 11 469 5569 -35.5 -44.5 39 9.0 -36.1 235 42 295.1 295.1 279.4 295.6 0.16 12 400 6660 -44.1 -52.1 41 8.0 -44.4 235 58 297.7 297.7 280.4 298.0 0.08 13 328 7963 -54.3 -61.3 42 7.1 -54.4 220 69 301.1 301.1 281.8 301.2 0.03 14 324 8042 -54.9 -61.9 42 7.0 -55.0 220 68 301.3 301.3 281.9 301.4 0.03 15 321 8102 -53.3 -61.3 37 8.0 -53.4 221 65 304.3 304.3 283.1 304.4 0.03 16 300 8540 -50.9 -58.9 38 8.0 -51.1 230 44 313.6 313.6 286.6 313.8 0.05 17 250 9730 -48.3 -57.3 35 9.0 -48.6 235 36 334.3 334.3 292.9 334.5 0.07 18 237 10081 -47.5 -57.5 31 10.0 -47.9 237 35 340.6 340.6 294.6 340.9 0.07 19 200 11200 -46.7 -59.7 21 13.0 -47.3 245 33 358.8 358.8 298.5 359.1 0.06 20 150 13110 -46.5 -62.5 15 16.0 -47.3 265 31 389.9 389.9 303.8 390.2 0.06 21 108 15290 -46.3 -65.3 10 19.0 -47.4 261 20 428.7 428.7 308.7 429.0 0.05 22 100 15800 -47.3 -67.3 8 20.0 -48.4 260 17 436.3 436.3 309.5 436.6 0.04 23 95 16140 -48.9 -67.9 9 19.0 -49.9 261 16 439.6 439.7 309.8 439.9 0.04 24 70 18160 -47.7 -68.7 7 21.0 -49.2 270 13 482.3 482.4 313.7 482.7 0.05 25 69 18254 -47.5 -68.5 7 21.0 -49.0 271 14 484.8 484.8 313.8 485.1 0.05 26 50 20360 -48.9 -70.9 6 22.0 -50.7 285 25 528.2 528.3 316.8 528.6 0.05 27 49 20493 -48.9 -70.9 6 22.0 -50.7 531.3 531.3 317.0 531.7 0.05 TRP 324 8042 -54.9 -61.9 42 7.0 -55.0 220 68 301.3 301.3 281.9 301.4 0.03 WND 328 7963 -54.3 -61.3 42 7.1 -54.4 220 69 301.1 301.1 281.8 301.2 0.03 Sounding variables and indices 1000-500 mb thick: 5148.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.10 inches Sfc-500 mean rel hum: 29.37 % Est. max temperature: 0.69 C = 33.24 F Sfc-Lift cond lev (LCL): 807.04 mb = 1630.70 m = 5349.99 ft T: -14.08 C 700-500 lapse rate: 4.79 C/km ThetaE index: 0.54 C Layer 949.0- 925.0 mb Conv cond level (CCL): 705.71 mb = 2638.92 m = 8657.77 ft Mean mixing ratio: 0.99 g/kg Conv temperature: 4.42 C = 39.95 F Cap Strength: 12.88 C Lifted Index: 14.38 C Risk: None Lifted Index @300 mb: 27.19 C Lifted Index @700 mb: 4.59 C Showalter Index: 13.97 C Risk: None Total Totals Index: 28.00 C Risk: None Vertical Totals Index: 22.00 C Cross Totals Index: 6.00 C K Index: -22.30 Risk: None Sweat Index: 65.00 Risk: None Energy Index: 3.61 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.75 J/kg Max Up Vert Vel: 3.68 m/s Conv Inhibition (B-): 39547.22 J/kg Cap Strength: 14.31 C Lift Cond Lev (LCL): 771.29 mb = 1971.19 m = 6467.09 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 291 at 15 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 44 355 7 0.6 -7.0 | 84 14 -13.5 -1.5 1 925 586 15 13 -3.4 -12.6 | 68 19 -17.5 -7.0 2 850 1241 10 15 -2.6 -14.8 | 61 19 -16.7 -9.2 3 700 2700 355 7 0.6 -7.0 | 84 14 -13.5 -1.5 4 500 5120 235 35 28.7 20.1 | 210 29 14.5 25.6 5 400 6660 235 58 47.5 33.3 | 221 51 33.4 38.8 6 328 7963 220 69 44.4 52.9 | 207 66 30.2 58.4 7 324 8042 220 68 43.7 52.1 | 207 65 29.6 57.6 8 300 8540 230 44 33.7 28.3 | 210 39 19.6 33.8 9 250 9730 235 36 29.5 20.6 | 210 30 15.4 26.2 10 200 11200 245 33 29.9 13.9 | 219 25 15.8 19.5 11 150 13110 265 31 30.9 2.7 | 244 19 16.7 8.2 12 100 15800 260 17 16.7 3.0 | 197 9 2.6 8.5 13 70 18160 270 13 13.0 -0.0 | 168 6 -1.1 5.5 14 50 20360 285 25 24.1 -6.5 | 275 10 10.0 -0.9 Wind Parameters Mean winds (0-6000m): 261.3 at 20.2 knts Storm direction: 291.3 at 15.2 knts Shear (0-3000m) pos: 1.1 neg: 1.3 tot: 2.3 10-3/s Storm rel Dir Shear (0-3000m): -18.8 deg Storm rel helicity (0-3000m) pos: 24.0 neg: -41.1 tot: -17.1 m^2/s^2 ave: -5.7 10^-3 m/s^2 rel: -0.20 Storm rel vorticity (0-3000m) horiz: 3.8 stream: -0.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.08 Bulk Shear: 81.15 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 7 10 75 16| 6.5 0.0 6.5| 0.0 -16.4 -16.4 -32.7 -0.63| 6.6 -4.2 1000 11 12 70 17| 3.2 1.0 4.2| 0.0 -25.3 -25.3 -25.3 -0.69| 4.4 -3.0 1500 10 13 67 18| 2.2 0.6 2.7| 4.3 -28.9 -24.6 -16.4 -0.51| 3.8 -1.9 2000 9 12 67 17| 1.6 0.8 2.4| 12.6 -28.9 -16.2 -8.1 -0.27| 3.6 -1.0 2500 8 12 69 17| 1.3 1.1 2.4| 22.0 -28.9 -6.8 -2.7 -0.08| 3.5 -0.3 3000 6 11 70 16| 1.1 1.3 2.3| 24.0 -41.1 -17.1 -5.7 -0.20| 3.8 -0.8 4000 345 13 59 13| 0.8 3.2 4.0| 24.0 -71.0 -47.1 -11.8 -0.52| 5.2 -2.7 5000 297 16 0 2| 0.6 4.5 5.2| 24.0-153.0-129.0 -25.8 -0.58| 7.0 -4.0 6000 261 20 214 10| 0.5 5.0 5.6| 68.9-164.7 -95.7 -16.0 -0.43| 7.2 -3.1 Wrote GIF file: /home/apache/climate/data/raob//U3472/skewt/U3472.skewt.20250417.12.gif