UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011800.upa.cvt Date: 0000Z 18 JAN 26 Searching for U3472... Searching the city database file for: U3472 ... Date:0000Z 18 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 ------------------------------------------------------------------------------- SFC 1044 38 -28.7 -32.6 69 3.9 -28.9 135 1 241.5 241.5 241.4 242.1 0.24 1 1033 115 -27.7 -33.7 57 6.0 -28.1 147 4 243.2 243.2 242.9 243.8 0.21 2 1003 326 -28.5 -33.5 62 5.0 -28.8 182 12 244.4 244.5 244.1 245.1 0.23 3 1000 348 -26.7 -31.7 63 5.0 -27.1 185 13 246.4 246.5 246.1 247.2 0.27 4 988 436 -19.1 -24.1 65 5.0 -19.7 192 12 254.9 255.0 254.2 256.4 0.55 5 942 792 -18.1 -21.3 76 3.2 -18.6 219 10 259.4 259.6 258.3 261.5 0.74 6 925 928 -18.3 -21.5 76 3.2 -18.8 230 9 260.6 260.7 259.2 262.6 0.74 7 850 1558 -19.3 -23.0 72 3.7 -19.8 240 5 265.9 266.0 263.2 267.9 0.71 8 781 2186 -20.7 -24.5 72 3.8 -21.2 207 6 270.9 271.1 266.6 272.9 0.67 9 700 2989 -25.1 -29.1 69 4.0 -25.6 165 7 274.7 274.8 268.8 276.2 0.49 10 669 3317 -27.7 -31.9 67 4.2 -28.1 152 8 275.4 275.4 269.0 276.6 0.39 11 556 4637 -31.5 -37.5 55 6.0 -32.0 97 10 285.8 285.9 274.9 286.7 0.27 12 500 5380 -37.1 -43.1 54 6.0 -37.4 65 11 287.8 287.8 275.8 288.4 0.17 13 400 6890 -47.5 -52.5 56 5.0 -47.6 60 19 293.3 293.3 278.4 293.5 0.07 14 352 7723 -53.5 -58.5 54 5.0 -53.6 67 32 296.1 296.1 279.7 296.2 0.04 15 300 8740 -58.5 -63.5 52 5.0 -58.6 75 48 302.9 302.9 282.6 303.0 0.02 16 254 9764 -64.7 -70.6 44 5.9 -64.7 80 62 308.5 308.5 284.8 308.5 0.01 17 250 9860 -65.3 -71.3 43 6.0 -65.3 80 62 309.0 309.0 284.9 309.0 0.01 18 226 10467 -69.1 -75.1 41 6.0 -69.1 80 60 312.2 312.2 286.1 312.2 0.01 19 217 10711 -67.7 -73.7 42 6.0 -67.7 77 53 318.0 318.0 288.1 318.1 0.01 20 200 11200 -68.1 -74.1 42 6.0 -68.1 70 38 324.9 324.9 290.3 324.9 0.01 21 150 12940 -66.9 -72.9 42 6.0 -67.0 60 23 354.8 354.8 297.7 354.9 0.01 22 134 13619 -66.5 -72.5 43 6.0 -66.5 61 22 367.2 367.2 300.1 367.3 0.02 23 100 15370 -69.9 -76.9 35 7.0 -69.9 65 19 392.7 392.7 304.2 392.7 0.01 24 72 17307 -73.7 -80.7 33 7.0 -73.7 423.3 423.3 308.1 423.3 0.01 TRP 226 10467 -69.1 -75.1 41 6.0 -69.1 80 60 312.2 312.2 286.1 312.2 0.01 WND 254 9764 -64.7 -70.6 44 5.9 -64.7 80 62 308.5 308.5 284.8 308.5 0.01 Sounding variables and indices 1000-500 mb thick: 5032.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.12 inches Sfc-500 mean rel hum: 65.75 % Est. max temperature: -7.16 C = 19.11 F Sfc-Lift cond lev (LCL): 977.41 mb = 516.82 m = 1695.58 ft T: -18.87 C 700-500 lapse rate: 5.02 C/km ThetaE index: 0.00 C Layer 1044.0- -4.1 mb Conv cond level (CCL): 1033.00 mb = 114.55 m = 375.81 ft Mean mixing ratio: 0.43 g/kg Conv temperature: -25.48 C = -13.87 F Cap Strength: 28.89 C Lifted Index: 29.62 C Risk: None Lifted Index @300 mb: 36.28 C Lifted Index @700 mb: 20.99 C Showalter Index: 16.43 C Risk: None Total Totals Index: 31.90 C Risk: None Vertical Totals Index: 17.80 C Cross Totals Index: 14.10 C K Index: -9.20 Risk: None Sweat Index: 21.00 Risk: None Energy Index: 4.32 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 86.95 J/kg Max Up Vert Vel: 13.19 m/s Conv Inhibition (B-): 30807.27 J/kg Cap Strength: 29.56 C Lift Cond Lev (LCL): 936.17 mb = 838.38 m = 2750.56 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 167 at 6 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 1044 38 135 1 -0.7 0.7 | 352 6 0.8 -5.6 1 1000 348 185 13 1.1 13.0 | 201 7 2.6 6.7 2 925 928 230 9 6.9 5.8 | 273 8 8.4 -0.5 3 850 1558 240 5 4.3 2.5 | 303 7 5.8 -3.8 4 700 2989 165 7 -1.8 6.8 | 145 1 -0.3 0.5 5 500 5380 65 11 -10.0 -4.6 | 38 14 -8.5 -10.9 6 400 6890 60 19 -16.5 -9.5 | 44 22 -15.0 -15.8 7 300 8740 75 48 -46.4 -12.4 | 67 49 -44.9 -18.7 8 254 9764 80 62 -61.1 -10.8 | 74 62 -59.6 -17.0 9 250 9860 80 62 -61.1 -10.8 | 74 62 -59.6 -17.0 10 226 10467 80 60 -59.1 -10.4 | 74 60 -57.6 -16.7 11 200 11200 70 38 -35.7 -13.0 | 61 39 -34.2 -19.3 12 150 12940 60 23 -19.9 -11.5 | 46 26 -18.5 -17.8 13 100 15370 65 19 -17.2 -8.0 | 48 21 -15.8 -14.3 Wind Parameters Mean winds (0-6000m): 136.8 at 8.6 knts Storm direction: 166.8 at 6.4 knts Shear (0-3000m) pos: 0.9 neg: 1.3 tot: 2.3 10-3/s Storm rel Dir Shear (0-3000m): 136.9 deg Storm rel helicity (0-3000m) pos: 30.9 neg: -3.8 tot: 27.1 m^2/s^2 ave: 9.0 10^-3 m/s^2 rel: 0.51 Storm rel vorticity (0-3000m) horiz: 6.3 stream: 3.3 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 11.86 Bulk Shear: 7.33 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 ------------------------------------------------------------------------------- 500 187 9 224 4| 11.6 0.0 11.6| 11.2 0.0 11.2 22.5 0.75| 19.0 14.3 1000 201 9 242 5| 4.4 0.0 4.4| 24.8 0.0 24.8 24.8 0.81| 13.0 10.6 1500 210 9 259 6| 1.9 0.0 1.9| 30.9 0.0 30.9 20.6 0.83| 9.8 8.1 2000 213 8 267 6| 1.4 0.6 2.0| 30.9 -2.1 28.8 14.4 0.72| 8.0 5.7 2500 210 7 269 5| 1.1 1.0 2.2| 30.9 -3.4 27.6 11.0 0.62| 7.0 4.3 3000 204 7 265 4| 0.9 1.3 2.3| 30.9 -3.8 27.1 9.0 0.51| 6.3 3.3 4000 188 7 246 3| 0.7 1.6 2.3| 30.9 -6.1 24.8 6.2 0.39| 5.5 2.1 5000 168 8 171 1| 0.6 1.6 2.1| 30.9 -16.9 14.1 2.8 0.24| 5.2 1.3 6000 137 9 90 4| 0.5 1.7 2.1| 34.5 -23.5 11.0 1.8 0.20| 4.8 1.0 Wrote GIF file: /home/apache/climate/data/raob//U3472/skewt/U3472.skewt.20260118.00.gif