UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026010712.upa.cvt Date: 1200Z 7 JAN 26 Searching for U3472... Searching the city database file for: U3472 ... Date:1200Z 7 JAN 26 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 17 190 1 SFC 997 39 -23.3 -25.9 79 2.6 -23.6 190 1 250.1 250.1 249.8 251.3 0.46 2 977 187 -23.5 -28.1 66 4.6 -23.9 199 3 251.3 251.4 250.7 252.4 0.39 3 968 255 -21.7 -26.1 68 4.4 -22.2 204 3 253.8 253.9 253.0 255.1 0.47 4 925 589 -22.5 -25.7 75 3.2 -22.9 225 7 256.3 256.4 255.2 257.7 0.51 5 910 709 -22.3 -25.2 77 2.9 -22.7 230 7 257.7 257.8 256.5 259.2 0.54 6 888 890 -19.7 -22.6 78 2.9 -20.1 237 7 262.2 262.3 260.3 264.2 0.70 7 850 1215 -19.3 -21.8 81 2.5 -19.7 250 7 265.9 266.1 263.3 268.1 0.79 8 837 1330 -19.5 -22.0 80 2.5 -19.9 251 7 266.9 267.0 264.0 269.1 0.78 9 711 2523 -27.3 -30.1 77 2.8 -27.6 264 7 271.0 271.1 266.3 272.4 0.44 10 705 2584 -27.5 -30.4 76 2.9 -27.8 264 7 271.5 271.5 266.5 272.8 0.43 11 700 2635 -25.9 -28.9 76 3.0 -26.2 265 7 273.8 273.9 268.2 275.3 0.50 12 610 3619 -32.1 -35.0 75 2.9 -32.3 267 7 277.7 277.7 270.3 278.6 0.32 13 500 4990 -43.1 -47.3 63 4.2 -43.3 270 7 280.5 280.5 271.6 280.8 0.11 14 400 6460 -53.7 -57.8 61 4.1 -53.8 335 1 285.2 285.2 274.2 285.3 0.04 15 389 6637 -55.3 -59.2 62 3.9 -55.4 353 1 285.4 285.4 274.3 285.5 0.03 16 308 8098 -61.5 -65.3 60 3.8 -61.5 145 3 296.4 296.4 279.8 296.5 0.02 17 300 8260 -61.5 -65.3 60 3.8 -61.5 155 3 298.6 298.7 280.8 298.7 0.02 18 279 8712 -61.5 -65.3 60 3.8 -61.6 93 2 304.9 304.9 283.4 305.0 0.02 19 250 9400 -59.3 -63.5 58 4.2 -59.3 0 0 317.9 317.9 288.1 318.0 0.03 20 232 9869 -58.3 -62.6 58 4.3 -58.4 338 2 326.3 326.3 290.7 326.4 0.04 21 200 10800 -59.9 -64.3 56 4.4 -60.0 295 5 337.9 337.9 293.9 338.0 0.03 22 150 12600 -59.7 -64.7 52 5.0 -59.8 280 13 367.2 367.2 300.1 367.4 0.04 23 100 15110 -62.9 -68.9 44 6.0 -63.0 270 19 406.2 406.2 306.0 406.4 0.04 24 70 17310 -64.1 -70.1 44 6.0 -64.3 260 23 447.3 447.3 310.6 447.5 0.04 25 64 17856 -65.1 -72.1 37 7.0 -65.3 256 27 456.7 456.7 311.5 456.9 0.04 26 50 19360 -64.1 -71.1 38 7.0 -64.3 245 38 492.4 492.4 314.4 492.8 0.05 27 30 22520 -60.3 -68.3 34 8.0 -60.9 235 66 580.3 580.3 319.7 581.2 0.13 28 27 23178 -59.4 -68.2 31 8.7 -60.2 235 77 600.5 600.5 320.7 601.6 0.15 29 26 23415 -59.1 -68.1 30 9.0 -59.9 607.9 608.0 321.0 609.1 0.15 TRP 308 8098 -61.5 -65.3 60 3.8 -61.5 145 3 296.4 296.4 279.8 296.5 0.02 WND 27 23178 -59.4 -68.2 31 8.7 -60.2 235 77 600.5 600.5 320.7 601.6 0.15 Sounding variables and indices 1000-500 mb thick: 4973.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.10 inches Sfc-500 mean rel hum: 74.46 % Est. max temperature: -7.23 C = 18.99 F Sfc-Lift cond lev (LCL): 954.79 mb = 356.01 m = 1168.01 ft T: -21.94 C 700-500 lapse rate: 7.30 C/km ThetaE index: 0.00 C Layer 997.0-272008302207532160516096.0 mb Conv cond level (CCL): 637.42 mb = 3304.36 m = 10840.96 ft Mean mixing ratio: 0.49 g/kg Conv temperature: 3.05 C = 37.48 F Cap Strength: 18.80 C Lifted Index: 19.99 C Risk: None Lifted Index @300 mb: 30.09 C Lifted Index @700 mb: 16.27 C Showalter Index: 10.26 C Risk: None Total Totals Index: 45.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.80 C Cross Totals Index: 21.30 C K Index: -1.00 Risk: None Sweat Index: 21.00 Risk: None Energy Index: 2.69 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 30.06 J/kg Max Up Vert Vel: 7.75 m/s Conv Inhibition (B-): 49193.92 J/kg Cap Strength: 19.97 C Lift Cond Lev (LCL): 891.96 mb = 857.07 m = 2811.86 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 291 at 5 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 ---------------------------------------------------------- 0 997 39 190 1 0.2 1.0 | 122 5 -4.3 2.7 1 925 589 225 7 4.9 4.9 | 184 7 0.5 6.7 2 850 1215 250 7 6.6 2.4 | 208 5 2.1 4.1 3 700 2635 265 7 7.0 0.6 | 227 3 2.5 2.3 4 500 4990 270 7 7.0 -0.0 | 236 3 2.6 1.7 5 400 6460 335 1 0.4 -0.9 | 102 4 -4.0 0.8 6 308 8098 145 3 -1.7 2.5 | 124 7 -6.2 4.2 7 300 8260 155 3 -1.3 2.7 | 128 7 -5.7 4.4 8 250 9400 0 0 -0.0 -0.0 | 111 5 -4.4 1.7 9 200 10800 295 5 4.5 -2.1 | 346 0 0.1 -0.4 10 150 12600 280 13 12.8 -2.3 | 274 8 8.4 -0.5 11 100 15110 270 19 19.0 -0.0 | 263 15 14.6 1.7 12 70 17310 260 23 22.7 4.0 | 253 19 18.2 5.7 13 50 19360 245 38 34.4 16.1 | 239 35 30.0 17.8 14 30 22520 235 66 54.1 37.9 | 231 63 49.6 39.6 Wind Parameters Mean winds (0-6000m): 261.2 at 6.3 knts Storm direction: 291.2 at 4.8 knts Shear (0-3000m) pos: 1.2 neg: 0.0 tot: 1.2 10-3/s Storm rel Dir Shear (0-3000m): 106.4 deg Storm rel helicity (0-3000m) pos: 14.8 neg: 0.0 tot: 14.8 m^2/s^2 ave: 4.9 10^-3 m/s^2 rel: 0.88 Storm rel vorticity (0-3000m) horiz: 2.0 stream: 1.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 12.33 Bulk Shear: 2.44 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 ------------------------------------------------------------------------------- 500 220 4 156 5| 5.8 0.0 5.8| 8.7 0.0 8.7 17.4 0.97| 6.1 5.9 1000 229 5 175 5| 3.3 0.0 3.3| 12.4 0.0 12.4 12.4 0.92| 4.5 4.1 1500 237 6 186 5| 2.3 0.0 2.3| 13.6 0.0 13.6 9.0 0.90| 3.4 3.1 2000 242 6 193 5| 1.7 0.0 1.7| 14.1 0.0 14.1 7.0 0.89| 2.7 2.4 2500 247 6 198 4| 1.4 0.0 1.4| 14.6 0.0 14.6 5.8 0.88| 2.3 2.0 3000 250 6 202 4| 1.2 0.0 1.2| 14.8 0.0 14.8 4.9 0.88| 2.0 1.7 4000 255 7 209 4| 0.9 0.0 0.9| 14.9 0.0 14.9 3.7 0.88| 1.5 1.3 5000 258 7 214 4| 0.7 0.0 0.7| 15.2 0.0 15.2 3.0 0.86| 1.3 1.1 6000 261 6 214 3| 0.3 0.0 0.3| 15.8 0.0 15.8 2.6 0.72| 1.5 1.1 Wrote GIF file: /home/apache/climate/data/raob//U3472/skewt/U3472.skewt.20260107.12.gif