UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011512.upa.cvt Date: 1200Z 15 JAN 26 Searching for U2820... Searching the city database file for: U2820 ... Date:1200Z 15 JAN 26 Station: U2820 WMO ident: 22820 Latitude: 61.82 Longitude: 34.27 ------------------------------------------------------------------------------- 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 1012 107 -5.7 -8.2 82 2.5 -6.4 180 3 266.5 266.9 266.0 272.0 2.03 1 1000 200 -6.9 -9.5 82 2.6 -7.7 190 5 266.2 266.6 265.5 271.3 1.86 2 925 805 -10.7 -12.5 87 1.8 -11.2 165 7 268.4 268.6 266.5 272.7 1.58 3 915 889 -7.3 -8.8 89 1.5 -7.8 171 7 272.7 273.0 270.3 278.6 2.14 4 903 992 -7.3 -8.6 90 1.3 -7.7 179 8 273.7 274.1 271.1 279.8 2.21 5 874 1246 -8.1 -11.9 74 3.8 -9.2 199 8 275.5 275.8 271.4 280.4 1.75 6 865 1327 -7.1 -11.9 69 4.8 -8.5 205 9 277.3 277.6 272.5 282.4 1.77 7 850 1463 -7.5 -12.4 68 4.9 -8.9 215 9 278.3 278.6 273.1 283.3 1.73 8 831 1639 -7.3 -11.9 70 4.6 -8.7 217 9 280.3 280.6 274.3 285.6 1.85 9 810 1838 -6.9 -16.9 45 10.0 -9.5 220 9 282.8 283.0 274.8 286.5 1.25 10 795 1983 -7.9 -23.9 26 16.0 -11.3 222 8 283.2 283.4 274.2 285.4 0.70 11 718 2769 -11.3 -28.3 23 17.0 -14.5 232 7 287.9 288.0 276.4 289.5 0.52 12 700 2963 -12.9 -26.9 30 14.0 -15.5 235 7 288.2 288.3 276.7 290.1 0.60 13 675 3239 -15.3 -25.3 42 10.0 -17.2 234 8 288.5 288.7 277.0 290.8 0.72 14 673 3262 -15.3 -25.3 42 10.0 -17.2 234 8 288.8 288.9 277.2 291.0 0.73 15 634 3713 -15.5 -37.5 13 22.0 -18.5 234 11 293.5 293.6 278.8 294.3 0.24 16 631 3749 -15.7 -38.7 12 23.0 -18.7 233 11 293.7 293.7 278.8 294.4 0.21 17 500 5460 -29.1 -46.1 18 17.0 -30.4 230 19 297.6 297.6 280.4 298.0 0.12 18 400 7010 -41.1 -56.1 18 15.0 -41.6 240 17 301.6 301.6 282.1 301.7 0.05 19 300 8900 -56.3 -69.3 18 13.0 -56.4 260 23 306.0 306.0 283.8 306.0 0.01 20 291 9091 -57.9 -70.9 17 13.0 -58.0 255 24 306.4 306.4 284.0 306.4 0.01 21 253 9957 -62.5 -74.5 18 12.0 -62.6 230 31 312.1 312.1 286.1 312.1 0.01 22 251 10006 -62.5 -74.5 18 12.0 -62.6 230 30 312.8 312.8 286.3 312.8 0.01 23 250 10030 -61.9 -73.9 19 12.0 -62.0 230 29 314.0 314.0 286.8 314.1 0.01 24 212 11056 -59.1 -71.1 20 12.0 -59.2 245 19 333.6 333.6 292.7 333.6 0.01 25 200 11420 -60.1 -72.1 19 12.0 -60.2 250 15 337.6 337.6 293.7 337.6 0.01 26 154 13073 -57.1 -71.1 15 14.0 -57.3 273 19 368.9 368.9 300.4 369.0 0.02 27 150 13240 -57.5 -72.5 13 15.0 -57.8 275 19 371.0 371.0 300.8 371.1 0.01 28 100 15760 -62.7 -79.7 8 17.0 -62.9 275 23 406.6 406.6 306.1 406.6 0.01 29 88 16545 -64.9 -81.9 8 17.0 -65.1 284 27 417.3 417.3 307.4 417.3 0.01 30 70 17940 -65.7 -82.7 8 17.0 -65.9 300 33 443.8 443.8 310.3 443.9 0.01 31 54 19509 -67.5 -84.5 7 17.0 -67.7 304 45 473.9 473.9 313.0 473.9 0.01 32 50 19970 -70.1 -88.1 5 18.0 -70.2 305 48 478.3 478.3 313.3 478.3 0.00 33 48 20212 -71.5 -88.5 6 17.0 -71.6 305 50 480.6 480.6 313.5 480.6 0.00 34 31 22753 -78.3 -94.3 6 16.0 -78.4 305 70 526.2 526.2 316.7 526.2 0.00 35 30 22940 -78.3 -95.3 5 17.0 -78.4 305 71 531.2 531.2 317.0 531.2 0.00 36 21 24970 -79.3 -96.3 4 17.0 -79.4 585.2 585.2 319.9 585.2 0.00 TRP 253 9957 -62.5 -74.5 18 12.0 -62.6 230 31 312.1 312.1 286.1 312.1 0.01 WND Sounding variables and indices 1000-500 mb thick: 5260.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.20 inches Sfc-500 mean rel hum: 39.40 % Est. max temperature: 5.31 C = 41.55 F Sfc-Lift cond lev (LCL): 972.59 mb = 415.71 m = 1363.87 ft T: -8.25 C 700-500 lapse rate: 6.49 C/km ThetaE index: 1.14 C Layer 795.0- 718.0 mb Conv cond level (CCL): 679.20 mb = 3192.21 m = 10473.01 ft Mean mixing ratio: 1.77 g/kg Conv temperature: 16.31 C = 61.36 F Cap Strength: 19.35 C Lifted Index: 20.74 C Risk: None Lifted Index @300 mb: 23.72 C Lifted Index @700 mb: 15.53 C Showalter Index: 12.28 C Risk: None Total Totals Index: 38.30 C Risk: None Vertical Totals Index: 21.60 C Cross Totals Index: 16.70 C K Index: -4.80 Risk: None Sweat Index: 37.00 Risk: None Energy Index: 3.18 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.39 J/kg Max Up Vert Vel: 5.37 m/s Conv Inhibition (B-): 45972.72 J/kg Cap Strength: 20.64 C Lift Cond Lev (LCL): 928.59 mb = 774.97 m = 2542.51 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 255 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 1012 107 180 3 0.0 3.0 | 96 8 -8.0 0.8 1 1000 200 190 5 0.9 4.9 | 111 8 -7.1 2.7 2 925 805 165 7 -1.8 6.8 | 115 11 -9.8 4.6 3 850 1463 215 9 5.2 7.4 | 151 6 -2.8 5.2 4 700 2963 235 7 5.7 4.0 | 129 3 -2.2 1.8 5 500 5460 230 19 14.6 12.2 | 213 12 6.6 10.0 6 400 7010 240 17 14.7 8.5 | 227 9 6.7 6.3 7 300 8900 260 23 22.7 4.0 | 263 15 14.7 1.8 8 253 9957 230 31 23.7 19.9 | 222 24 15.8 17.7 9 250 10030 230 29 22.2 18.6 | 221 22 14.2 16.4 10 200 11420 250 15 14.1 5.1 | 244 7 6.1 2.9 11 150 13240 275 19 18.9 -1.7 | 289 12 11.0 -3.8 12 100 15760 275 23 22.9 -2.0 | 286 16 14.9 -4.2 13 70 17940 300 33 28.6 -16.5 | 312 28 20.6 -18.7 14 50 19970 305 48 39.3 -27.5 | 313 43 31.3 -29.7 15 30 22940 305 71 58.2 -40.7 | 311 66 50.2 -42.9 Wind Parameters Mean winds (0-6000m): 224.6 at 11.0 knts Storm direction: 254.6 at 8.3 knts Shear (0-3000m) pos: 1.2 neg: 0.6 tot: 1.8 10-3/s Storm rel Dir Shear (0-3000m): 47.2 deg Storm rel helicity (0-3000m) pos: 18.1 neg: -1.5 tot: 16.6 m^2/s^2 ave: 5.5 10^-3 m/s^2 rel: 0.44 Storm rel vorticity (0-3000m) horiz: 2.8 stream: 1.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.69 Bulk Shear: 8.50 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 ------------------------------------------------------------------------------- 500 181 5 112 8| 0.0 3.5 3.5| 5.6 0.0 5.6 11.2 0.63| 4.4 2.8 1000 177 6 116 9| 1.2 1.7 3.0| 12.1 -0.1 12.0 12.0 0.60| 4.4 2.6 1500 189 7 125 8| 2.1 1.2 3.2| 17.6 -0.1 17.5 11.7 0.61| 4.4 2.7 2000 198 7 130 7| 1.6 0.9 2.5| 17.6 -0.5 17.1 8.5 0.54| 3.6 2.0 2500 204 7 133 7| 1.4 0.7 2.1| 17.6 -1.1 16.5 6.6 0.46| 3.1 1.5 3000 209 7 135 6| 1.2 0.6 1.8| 18.1 -1.5 16.6 5.5 0.44| 2.8 1.2 4000 217 8 144 5| 0.9 0.9 1.8| 21.6 -1.5 20.1 5.0 0.50| 2.7 1.4 5000 222 9 161 5| 0.7 1.2 2.0| 24.7 -1.5 23.2 4.6 0.47| 2.7 1.3 6000 225 11 178 6| 0.7 1.0 1.7| 28.8 -1.5 27.3 4.5 0.47| 2.5 1.2 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20260115.12.gif