UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122100.upa.cvt Date: 0000Z 21 DEC 25 Searching for U9839... Searching the city database file for: U9839 ... Date:0000Z 21 DEC 25 Station: U9839 WMO ident: 29839 Latitude: 53.50 Longitude: 83.83 ------------------------------------------------------------------------------- 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 71 200 5 SFC 991 142 -6.3 -8.3 86 2.0 -6.9 200 5 267.5 267.9 266.8 273.1 2.06 2 925 680 -8.3 -9.8 89 1.5 -8.7 235 17 270.8 271.1 268.8 276.2 1.96 3 924 688 -8.3 -9.8 89 1.5 -8.7 235 17 270.9 271.2 268.8 276.3 1.96 4 850 1330 -12.5 -14.3 86 1.8 -12.9 255 21 273.1 273.3 269.4 277.2 1.48 5 731 2467 -18.9 -20.9 84 2.0 -19.3 239 42 278.1 278.3 271.7 281.0 0.99 6 700 2789 -20.7 -23.0 82 2.3 -21.1 235 48 279.6 279.7 272.4 282.1 0.86 7 518 4962 -33.5 -37.0 71 3.5 -33.8 244 61 289.3 289.3 276.8 290.3 0.31 8 500 5210 -35.1 -38.9 68 3.8 -35.4 245 62 290.2 290.3 277.2 291.1 0.26 9 454 5877 -38.3 -42.9 62 4.6 -38.6 245 66 294.4 294.4 279.1 295.0 0.19 10 449 5953 -40.1 -44.5 63 4.4 -40.4 245 66 293.0 293.1 278.4 293.6 0.16 11 406 6631 -45.3 -51.3 51 6.0 -45.5 245 70 294.9 294.9 279.1 295.2 0.08 12 400 6730 -45.7 -51.7 51 6.0 -45.9 245 71 295.6 295.6 279.5 295.9 0.08 13 363 7375 -48.1 -56.8 36 8.7 -48.3 245 85 300.7 300.7 281.7 300.8 0.05 14 300 8620 -52.9 -66.9 17 14.0 -53.1 255 81 310.8 310.8 285.6 310.8 0.02 15 274 9203 -54.7 -77.7 4 23.0 -54.9 255 75 316.3 316.3 287.5 316.4 0.00 16 250 9790 -55.1 -78.1 4 23.0 -55.3 255 73 324.1 324.2 290.0 324.2 0.00 17 240 10051 -55.7 -78.7 4 23.0 -55.9 256 71 327.1 327.1 290.9 327.1 0.00 18 200 11220 -53.1 -77.1 4 24.0 -53.4 260 64 348.7 348.7 296.3 348.7 0.01 19 163 12541 -51.3 -74.3 5 23.0 -51.8 267 57 372.7 372.7 301.1 372.8 0.01 20 150 13080 -51.9 -75.9 4 24.0 -52.4 270 54 380.6 380.6 302.3 380.7 0.01 21 100 15670 -57.3 -80.3 4 23.0 -57.7 275 52 417.0 417.0 307.4 417.0 0.01 22 76 17407 -61.9 -83.9 4 22.0 -62.2 275 49 441.5 441.5 310.0 441.5 0.00 23 70 17920 -62.5 -84.5 4 22.0 -62.8 275 48 450.7 450.7 310.9 450.7 0.00 24 51 19860 -65.7 -86.7 4 21.0 -66.0 280 54 485.9 485.9 313.9 485.9 0.00 25 50 19980 -66.1 -87.1 4 21.0 -66.4 280 54 487.7 487.7 314.1 487.7 0.00 26 44 20750 -68.7 -88.7 4 20.0 -68.9 499.5 499.5 314.9 499.5 0.00 TRP 274 9203 -54.7 -77.7 4 23.0 -54.9 255 75 316.3 316.3 287.5 316.4 0.00 WND 363 7375 -48.1 -56.8 36 8.7 -48.3 245 85 300.7 300.7 281.7 300.8 0.05 Sounding variables and indices 1000-500 mb thick: 5139.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.23 inches Sfc-500 mean rel hum: 80.82 % Est. max temperature: -0.45 C = 31.20 F Sfc-Lift cond lev (LCL): 959.91 mb = 390.74 m = 1281.95 ft T: -7.22 C 700-500 lapse rate: 5.95 C/km Conv cond level (CCL): 886.42 mb = 1007.51 m = 3305.44 ft Mean mixing ratio: 1.95 g/kg Conv temperature: -1.87 C = 28.63 F Cap Strength: 11.89 C Lifted Index: 12.52 C Risk: None Lifted Index @300 mb: 25.13 C Lifted Index @700 mb: 5.53 C Showalter Index: 10.99 C Risk: None Total Totals Index: 43.40 C Risk: None Vertical Totals Index: 22.60 C Cross Totals Index: 20.80 C K Index: 6.00 Risk: None Sweat Index: 104.00 Risk: None Energy Index: 2.90 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.36 J/kg Max Up Vert Vel: 5.54 m/s Conv Inhibition (B-): 37716.44 J/kg Cap Strength: 12.37 C Lift Cond Lev (LCL): 914.53 mb = 767.59 m = 2518.31 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 272 at 33 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 ---------------------------------------------------------- 0 991 142 200 5 1.7 4.7 | 100 32 -31.4 5.7 1 925 680 235 17 13.9 9.8 | 119 22 -19.2 10.7 2 850 1330 255 21 20.3 5.4 | 117 14 -12.9 6.4 3 700 2789 235 48 39.3 27.5 | 192 29 6.2 28.5 4 500 5210 245 62 56.2 26.2 | 220 36 23.0 27.2 5 400 6730 245 71 64.3 30.0 | 225 44 31.2 31.0 6 363 7375 245 85 77.0 35.9 | 230 57 43.9 36.9 7 300 8620 255 81 78.2 21.0 | 244 50 45.1 22.0 8 274 9203 255 75 72.4 19.4 | 243 44 39.3 20.4 9 250 9790 255 73 70.5 18.9 | 242 42 37.4 19.9 10 200 11220 260 64 63.0 11.1 | 248 32 29.9 12.1 11 150 13080 270 54 54.0 -0.0 | 267 21 20.8 1.0 12 100 15670 275 52 51.8 -4.5 | 281 19 18.6 -3.5 13 70 17920 275 48 47.8 -4.2 | 282 15 14.7 -3.2 14 50 19980 280 54 53.2 -9.4 | 293 22 20.0 -8.4 Wind Parameters Mean winds (0-6000m): 241.7 at 44.2 knts Storm direction: 271.7 at 33.2 knts Shear (0-3000m) pos: 4.1 neg: 4.3 tot: 8.4 10-3/s Storm rel Dir Shear (0-3000m): 96.4 deg Storm rel helicity (0-3000m) pos: 170.0 neg: -2.9 tot: 167.2 m^2/s^2 ave: 55.7 10^-3 m/s^2 rel: 0.58 Storm rel vorticity (0-3000m) horiz: 9.1 stream: 5.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.10 Bulk Shear: 154.33 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 ------------------------------------------------------------------------------- 500 226 11 108 27| 12.6 0.0 12.6| 66.0 0.0 66.0 131.9 0.69| 13.1 9.0 1000 236 14 113 23| 8.7 0.0 8.7| 69.6 -1.2 68.4 68.4 0.48| 9.9 4.7 1500 244 17 116 20| 8.2 0.0 8.2| 88.7 -2.9 85.8 57.2 0.52| 9.4 4.9 2000 245 21 124 18| 6.2 2.6 8.7|120.9 -2.9 118.0 59.0 0.61| 9.6 5.9 2500 242 25 138 17| 4.9 4.2 9.1|146.9 -2.9 144.0 57.6 0.58| 9.9 5.7 3000 240 29 151 18| 4.1 4.3 8.4|170.0 -2.9 167.2 55.7 0.58| 9.1 5.3 4000 239 35 170 19| 4.0 3.2 7.2|223.3 -2.9 220.4 55.1 0.62| 7.8 4.8 5000 241 40 185 21| 3.9 2.6 6.4|281.3 -2.9 278.4 55.7 0.65| 6.9 4.5 6000 242 44 195 23| 3.5 2.4 5.9|307.2 -2.9 304.3 50.7 0.63| 6.3 4.0 Wrote GIF file: /home/apache/climate/data/raob//U9839/skewt/U9839.skewt.20251221.00.gif