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 U1946... Searching the city database file for: U1946 ... Date:1200Z 7 JAN 26 Station: U1946 WMO ident: 21946 Latitude: 70.62 Longitude: 147.90 ------------------------------------------------------------------------------- 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 1008 49 -33.7 -37.6 68 3.9 -33.8 200 1 238.9 238.9 238.8 239.3 0.15 1 1000 105 -30.5 -35.2 63 4.7 -30.7 225 3 242.6 242.7 242.4 243.2 0.19 2 986 206 -26.7 -31.5 64 4.8 -27.1 230 3 247.4 247.5 247.0 248.2 0.28 3 972 309 -24.7 -29.3 66 4.6 -25.1 236 3 250.5 250.5 249.8 251.4 0.35 4 925 669 -24.9 -29.0 69 4.1 -25.3 255 3 253.8 253.9 252.8 254.9 0.38 5 919 716 -24.9 -29.0 69 4.1 -25.3 252 3 254.3 254.4 253.2 255.4 0.38 6 879 1041 -22.1 -26.1 70 4.0 -22.6 231 4 260.5 260.6 258.6 261.9 0.52 7 850 1288 -22.1 -25.8 72 3.7 -22.6 215 5 263.0 263.1 260.6 264.6 0.55 8 802 1715 -22.1 -25.5 74 3.4 -22.5 205 6 267.4 267.5 264.0 269.1 0.60 9 700 2705 -26.7 -29.7 76 3.0 -27.1 180 9 272.9 273.0 267.5 274.3 0.46 10 637 3380 -29.5 -32.7 74 3.2 -29.8 181 11 277.2 277.3 270.1 278.4 0.38 11 500 5060 -41.9 -44.9 72 3.0 -42.1 185 17 282.0 282.0 272.5 282.4 0.14 12 450 5765 -47.3 -50.3 71 3.0 -47.4 178 24 283.8 283.8 273.5 284.1 0.08 13 400 6540 -49.5 -52.9 67 3.4 -49.6 170 31 290.7 290.7 277.1 290.9 0.07 14 326 7864 -56.5 -59.7 67 3.2 -56.5 163 32 298.5 298.5 280.7 298.7 0.04 15 300 8390 -58.7 -62.2 64 3.5 -58.7 160 33 302.6 302.6 282.5 302.7 0.03 16 292 8559 -59.5 -63.1 63 3.6 -59.5 160 33 303.8 303.8 283.0 303.9 0.03 17 275 8934 -60.1 -63.7 63 3.6 -60.2 170 28 308.2 308.2 284.7 308.3 0.03 18 250 9530 -59.3 -62.9 63 3.6 -59.3 185 21 317.9 317.9 288.1 318.0 0.03 19 200 10940 -57.1 -60.6 64 3.5 -57.2 190 15 342.3 342.4 294.9 342.6 0.05 20 159 12390 -54.9 -58.8 62 3.9 -55.1 214 20 369.3 369.3 300.5 369.7 0.09 21 150 12760 -55.9 -59.7 62 3.8 -56.0 220 21 373.8 373.8 301.3 374.1 0.08 22 100 15340 -56.1 -60.3 59 4.2 -56.3 230 33 419.3 419.4 307.7 419.9 0.11 23 90 16008 -56.3 -60.7 58 4.4 -56.5 234 37 431.8 431.8 309.1 432.4 0.12 24 70 17610 -53.7 -58.6 55 4.9 -54.1 245 46 469.5 469.6 312.7 470.7 0.20 25 50 19790 -50.7 -56.7 49 6.0 -51.5 250 75 524.0 524.1 316.7 526.3 0.36 26 45 20478 -49.9 -55.9 49 6.0 -50.8 542.0 542.1 317.8 544.9 0.44 27 43 20775 -49.3 -55.3 49 6.0 -50.3 255 89 550.6 550.8 318.3 554.0 0.49 28 38 21589 -47.5 -53.5 50 6.0 -48.8 574.9 575.2 319.6 579.8 0.69 29 37 21765 -47.9 -48.7 91 0.8 -48.1 578.3 578.7 320.0 586.8 1.24 TRP 292 8559 -59.5 -63.1 63 3.6 -59.5 160 33 303.8 303.8 283.0 303.9 0.03 WND 43 20775 -49.3 -55.3 49 6.0 -50.3 255 89 550.6 550.8 318.3 554.0 0.49 Sounding variables and indices 1000-500 mb thick: 4955.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.10 inches Sfc-500 mean rel hum: 72.35 % Est. max temperature: -10.26 C = 13.53 F Sfc-Lift cond lev (LCL): 942.77 mb = 530.84 m = 1741.58 ft T: -24.82 C 700-500 lapse rate: 6.45 C/km ThetaE index: 0.00 C Layer 1008.0- 0.0 mb Conv cond level (CCL): 1000.00 mb = 105.00 m = 344.48 ft Mean mixing ratio: 0.33 g/kg Conv temperature: -29.05 C = -20.30 F Cap Strength: 22.92 C Lifted Index: 25.20 C Risk: None Lifted Index @300 mb: 36.38 C Lifted Index @700 mb: 19.77 C Showalter Index: 14.39 C Risk: None Total Totals Index: 35.90 C Risk: None Vertical Totals Index: 19.80 C Cross Totals Index: 16.10 C K Index: -9.00 Risk: None Sweat Index: 27.00 Risk: None Energy Index: 3.80 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 49.08 J/kg Max Up Vert Vel: 9.91 m/s Conv Inhibition (B-): 49046.77 J/kg Cap Strength: 25.14 C Lift Cond Lev (LCL): 892.59 mb = 929.36 m = 3049.05 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 216 at 8 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 1008 49 200 1 0.3 0.9 | 38 7 -4.6 -5.9 1 1000 105 225 3 2.1 2.1 | 31 5 -2.8 -4.7 2 925 669 255 3 2.9 0.8 | 18 6 -2.0 -6.0 3 850 1288 215 5 2.9 4.1 | 37 3 -2.0 -2.7 4 700 2705 180 9 0.0 9.0 | 114 5 -4.9 2.2 5 500 5060 185 17 1.5 16.9 | 161 11 -3.4 10.1 6 400 6540 170 31 -5.4 30.5 | 157 26 -10.3 23.7 7 300 8390 160 33 -11.3 31.0 | 146 29 -16.2 24.2 8 292 8559 160 33 -11.3 31.0 | 146 29 -16.2 24.2 9 250 9530 185 21 1.8 20.9 | 168 14 -3.1 14.1 10 200 10940 190 15 2.6 14.8 | 164 8 -2.3 8.0 11 150 12760 220 21 13.5 16.1 | 223 13 8.6 9.3 12 100 15340 230 33 25.3 21.2 | 235 25 20.4 14.4 13 70 17610 245 46 41.7 19.4 | 251 39 36.8 12.6 14 50 19790 250 75 70.5 25.7 | 254 68 65.6 18.9 Wind Parameters Mean winds (0-6000m): 185.8 at 11.2 knts Storm direction: 215.8 at 8.4 knts Shear (0-3000m) pos: 0.4 neg: 1.6 tot: 2.0 10-3/s Storm rel Dir Shear (0-3000m): 87.4 deg Storm rel helicity (0-3000m) pos: 6.4 neg: -3.4 tot: 3.0 m^2/s^2 ave: 1.0 10^-3 m/s^2 rel: 0.31 Storm rel vorticity (0-3000m) horiz: 2.4 stream: 0.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 4.07 Bulk Shear: 12.07 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 ------------------------------------------------------------------------------- 500 235 3 26 6| 2.5 0.0 2.5| 0.0 -3.0 -3.0 -5.9 -0.57| 3.4 -1.9 1000 239 3 23 6| 1.3 0.9 2.1| 0.4 -3.4 -2.9 -2.9 -0.33| 2.8 -0.9 1500 228 4 26 5| 0.8 1.4 2.2| 2.0 -3.4 -1.4 -0.9 -0.01| 2.7 -0.0 2000 218 4 33 4| 0.6 1.5 2.1| 3.3 -3.4 -0.0 -0.0 0.19| 2.5 0.5 2500 208 5 48 3| 0.5 1.6 2.1| 4.5 -3.4 1.2 0.5 0.26| 2.5 0.6 3000 200 6 65 3| 0.4 1.6 2.0| 6.4 -3.4 3.0 1.0 0.31| 2.4 0.8 4000 192 7 96 3| 0.6 1.2 1.8| 11.2 -3.4 7.8 2.0 0.41| 2.2 0.9 5000 189 9 121 4| 0.8 1.0 1.8| 16.4 -3.4 13.0 2.6 0.44| 2.1 0.9 6000 186 11 139 6| 0.7 1.7 2.3| 16.9 -7.0 9.9 1.6 0.28| 2.7 0.7 Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20260107.12.gif