UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120812.upa.cvt Date: 1200Z 8 DEC 25 Searching for U3472... Searching the city database file for: U3472 ... Date:1200Z 8 DEC 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 ------------------------------------------------------------------------------- SFC 1025 42 -38.5 -42.5 66 4.0 -38.6 165 9 233.0 233.0 232.9 233.2 0.09 1 1008 157 -38.7 -43.7 59 5.0 -38.8 168 12 233.9 233.9 233.8 234.1 0.08 2 1000 212 -37.5 -42.5 60 5.0 -37.7 170 13 235.6 235.7 235.5 235.9 0.09 3 997 233 -36.9 -41.9 60 5.0 -37.1 173 14 236.5 236.5 236.3 236.7 0.10 4 994 254 -33.9 -38.9 61 5.0 -34.1 175 14 239.7 239.7 239.4 240.0 0.13 5 987 303 -32.5 -37.5 61 5.0 -32.7 181 16 241.6 241.6 241.3 242.0 0.15 6 977 376 -26.9 -31.9 63 5.0 -27.3 189 18 247.9 247.9 247.4 248.6 0.27 7 950 580 -21.7 -26.2 67 4.5 -22.2 213 24 255.2 255.2 254.2 256.5 0.47 8 925 777 -21.3 -25.1 71 3.8 -21.8 235 29 257.5 257.6 256.3 259.0 0.54 9 888 1078 -20.9 -24.6 72 3.7 -21.4 254 28 261.0 261.1 259.2 262.6 0.59 10 880 1145 -18.7 -22.6 71 3.9 -19.3 259 28 263.9 264.0 261.7 265.9 0.71 11 850 1405 -16.7 -20.1 75 3.4 -17.3 275 27 268.7 268.8 265.5 271.2 0.91 12 848 1423 -16.7 -20.0 76 3.3 -17.3 275 27 268.8 269.0 265.6 271.4 0.92 13 700 2839 -25.3 -28.9 72 3.6 -25.7 315 23 274.5 274.6 268.7 276.0 0.50 14 672 3135 -26.9 -30.4 72 3.5 -27.3 318 25 275.9 276.0 269.5 277.3 0.45 15 573 4262 -36.7 -40.1 71 3.4 -36.9 330 34 277.3 277.3 269.9 277.9 0.20 16 512 5038 -39.1 -43.1 66 4.0 -39.3 338 41 283.4 283.5 273.5 284.0 0.17 17 500 5200 -40.3 -44.2 66 3.9 -40.5 340 42 283.9 283.9 273.7 284.4 0.15 18 420 6363 -50.1 -54.2 62 4.1 -50.2 348 47 285.9 285.9 274.6 286.1 0.06 19 400 6680 -51.5 -55.6 61 4.1 -51.6 350 48 288.1 288.1 275.7 288.2 0.05 20 302 8459 -63.3 -67.5 57 4.2 -63.3 350 48 295.5 295.5 279.4 295.6 0.01 21 300 8500 -63.5 -67.7 57 4.2 -63.6 350 48 295.8 295.8 279.5 295.9 0.01 22 275 9030 -65.5 -69.5 57 4.0 -65.5 345 44 300.4 300.4 281.5 300.4 0.01 23 264 9278 -64.3 -68.5 56 4.2 -64.3 343 40 305.7 305.7 283.7 305.7 0.01 24 250 9610 -65.3 -69.4 57 4.1 -65.3 340 35 309.0 309.0 284.9 309.0 0.01 25 227 10195 -65.7 -69.7 57 4.0 -65.7 338 31 317.0 317.0 287.8 317.1 0.01 26 200 10970 -61.7 -65.9 57 4.2 -61.7 335 25 335.1 335.1 293.1 335.2 0.03 27 150 12740 -62.1 -66.6 55 4.5 -62.1 320 19 363.1 363.1 299.3 363.2 0.03 28 106 14882 -63.1 -68.1 51 5.0 -63.2 311 21 399.1 399.1 305.1 399.3 0.04 29 100 15240 -63.5 -68.5 51 5.0 -63.6 310 21 405.0 405.0 305.9 405.2 0.04 30 70 17400 -67.3 -73.3 42 6.0 -67.4 280 17 440.4 440.4 309.9 440.6 0.03 31 64 17939 -68.3 -74.3 42 6.0 -68.4 449.6 449.7 310.8 449.8 0.03 TRP 275 9030 -65.5 -69.5 57 4.0 -65.5 345 44 300.4 300.4 281.5 300.4 0.01 WND Sounding variables and indices 1000-500 mb thick: 4988.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.11 inches Sfc-500 mean rel hum: 70.46 % Est. max temperature: -6.58 C = 20.16 F Sfc-Lift cond lev (LCL): 955.94 mb = 534.95 m = 1755.06 ft T: -22.86 C 700-500 lapse rate: 6.35 C/km ThetaE index: 0.00 C Layer 1025.0--142227396578952111086143744166068224.0 mb Conv cond level (CCL): 1008.00 mb = 157.04 m = 515.21 ft Mean mixing ratio: 0.29 g/kg Conv temperature: -29.66 C = -21.39 F Cap Strength: 30.08 C Lifted Index: 30.23 C Risk: None Lifted Index @300 mb: 34.57 C Lifted Index @700 mb: 24.90 C Showalter Index: 10.60 C Risk: None Total Totals Index: 43.80 C Risk: None Vertical Totals Index: 23.60 C Cross Totals Index: 20.20 C K Index: -0.10 Risk: None Sweat Index: 96.00 Risk: None Energy Index: 2.74 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 120.04 J/kg Max Up Vert Vel: 15.49 m/s Conv Inhibition (B-): 36964.80 J/kg Cap Strength: 30.17 C Lift Cond Lev (LCL): 934.71 mb = 700.02 m = 2296.63 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 346 at 23 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 1025 42 165 9 -2.3 8.7 | 166 32 -7.9 30.7 1 1000 212 170 13 -2.3 12.8 | 167 36 -7.8 34.8 2 925 777 235 29 23.8 16.6 | 205 43 18.2 38.6 3 850 1405 275 27 26.9 -2.4 | 227 29 21.3 19.6 4 700 2839 315 23 16.3 -16.3 | 242 12 10.7 5.7 5 500 5200 340 42 14.4 -39.5 | 333 20 8.8 -17.5 6 400 6680 350 48 8.3 -47.3 | 354 25 2.8 -25.3 7 300 8500 350 48 8.3 -47.3 | 354 25 2.8 -25.3 8 275 9030 345 44 11.4 -42.5 | 344 21 5.8 -20.5 9 250 9610 340 35 12.0 -32.9 | 330 13 6.4 -10.9 10 200 10970 335 25 10.6 -22.7 | 278 5 5.0 -0.7 11 150 12740 320 19 12.2 -14.6 | 222 10 6.7 7.4 12 100 15240 310 21 16.1 -13.5 | 231 14 10.5 8.5 13 70 17400 280 17 16.7 -3.0 | 210 22 11.2 19.0 Wind Parameters Mean winds (0-6000m): 315.8 at 30.2 knts Storm direction: 345.8 at 22.7 knts Shear (0-3000m) pos: 5.6 neg: 0.0 tot: 5.6 10-3/s Storm rel Dir Shear (0-3000m): 85.1 deg Storm rel helicity (0-3000m) pos: 476.5 neg: 0.0 tot: 476.5 m^2/s^2 ave: 158.8 10^-3 m/s^2 rel: 0.69 Storm rel vorticity (0-3000m) horiz: 12.3 stream: 8.5 10^-3/s Energy-Hel index: 0.35 Bulk Rich Number: 0.53 Bulk Shear: 228.00 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 15 174 37| 17.4 0.0 17.4|148.4 0.0 148.4 296.9 0.76| 19.5 14.8 1000 222 21 193 39| 15.0 0.0 15.0|371.8 0.0 371.8 371.8 0.84| 21.1 17.8 1500 240 23 203 37| 10.8 0.0 10.8|444.0 0.0 444.0 296.0 0.79| 18.5 14.7 2000 253 24 211 34| 8.1 0.0 8.1|461.2 0.0 461.2 230.6 0.75| 15.6 11.7 2500 263 24 216 31| 6.5 0.0 6.5|469.2 0.0 469.2 187.7 0.71| 13.7 9.7 3000 272 24 221 28| 5.6 0.0 5.6|476.5 0.0 476.5 158.8 0.69| 12.3 8.5 4000 288 25 232 23| 5.3 0.0 5.3|506.9 0.0 506.9 126.7 0.72| 10.5 7.6 5000 304 27 249 18| 5.1 0.0 5.1|544.0 0.0 544.0 108.8 0.74| 9.5 7.0 6000 316 30 269 16| 4.7 0.0 4.7|576.2 0.0 576.2 96.0 0.74| 8.5 6.3 Wrote GIF file: /home/apache/climate/data/raob//U3472/skewt/U3472.skewt.20251208.12.gif