UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102712.upa.cvt Date: 1200Z 27 OCT 25 Searching for U1946... Searching the city database file for: U1946 ... Date:1200Z 27 OCT 25 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 1004 46 -13.5 -14.8 90 1.3 -13.7 240 9 259.4 259.5 259.1 262.6 1.21 1 1002 62 -12.3 -14.8 82 2.5 -12.8 240 11 260.7 260.9 260.2 264.0 1.21 2 1000 77 -11.1 -13.6 82 2.5 -11.7 240 13 262.0 262.3 261.5 265.7 1.34 3 989 162 -9.7 -11.6 86 1.9 -10.2 246 16 264.3 264.5 263.6 268.6 1.59 4 925 677 -10.9 -12.9 85 2.0 -11.4 285 31 268.2 268.4 266.3 272.4 1.53 5 850 1326 -11.3 -13.5 84 2.2 -11.9 290 33 274.3 274.6 270.4 278.8 1.58 6 798 1809 -12.3 -14.3 85 2.0 -12.8 287 30 278.2 278.5 272.8 282.8 1.58 7 700 2800 -17.5 -19.6 84 2.1 -17.9 280 23 283.1 283.3 274.9 286.5 1.15 8 618 3721 -24.1 -26.7 79 2.6 -24.5 280 26 285.8 285.9 275.6 288.0 0.70 9 580 4183 -24.5 -27.0 80 2.5 -24.9 280 27 290.6 290.7 278.0 292.8 0.72 10 500 5250 -31.1 -34.0 76 2.9 -31.4 280 31 295.1 295.2 279.8 296.5 0.43 11 432 6273 -36.7 -39.5 75 2.8 -36.9 277 31 300.6 300.7 282.0 301.6 0.29 12 400 6800 -41.1 -44.1 73 3.0 -41.3 275 31 301.6 301.6 282.3 302.2 0.19 13 300 8690 -54.9 -58.2 67 3.3 -54.9 275 36 308.0 308.0 284.6 308.1 0.05 14 287 8973 -57.3 -60.4 68 3.1 -57.3 275 37 308.5 308.5 284.8 308.6 0.04 15 250 9840 -61.9 -65.0 66 3.1 -61.9 275 42 314.0 314.0 286.8 314.1 0.02 16 249 9865 -62.1 -65.2 66 3.1 -62.1 275 42 314.1 314.1 286.8 314.2 0.02 17 220 10639 -57.5 -60.8 66 3.3 -57.6 278 31 332.5 332.5 292.4 332.7 0.05 18 200 11240 -58.9 -62.4 64 3.5 -59.0 280 23 339.5 339.5 294.3 339.7 0.04 19 183 11795 -59.3 -62.9 63 3.6 -59.4 283 21 347.6 347.6 296.1 347.8 0.04 20 164 12489 -53.7 -57.6 62 3.9 -53.8 287 17 368.0 368.1 300.3 368.5 0.10 21 150 13060 -54.3 -58.3 61 4.0 -54.5 290 15 376.5 376.5 301.8 377.0 0.10 22 100 15660 -54.3 -58.3 61 4.0 -54.5 285 9 422.8 422.8 308.1 423.6 0.15 23 91 16265 -54.3 -58.3 61 4.0 -54.5 434.4 434.4 309.4 435.2 0.16 TRP 249 9865 -62.1 -65.2 66 3.1 -62.1 275 42 314.1 314.1 286.8 314.2 0.02 WND Sounding variables and indices 1000-500 mb thick: 5173.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.27 inches Sfc-500 mean rel hum: 82.04 % Est. max temperature: 1.13 C = 34.03 F Sfc-Lift cond lev (LCL): 982.97 mb = 209.13 m = 686.11 ft T: -9.81 C 700-500 lapse rate: 5.55 C/km ThetaE index: 0.00 C Layer 1004.0- -0.0 mb Conv cond level (CCL): 1002.00 mb = 61.70 m = 202.42 ft Mean mixing ratio: 1.53 g/kg Conv temperature: -11.76 C = 10.84 F Cap Strength: 17.61 C Lifted Index: 20.38 C Risk: None Lifted Index @300 mb: 26.58 C Lifted Index @700 mb: 12.60 C Showalter Index: 13.76 C Risk: None Total Totals Index: 37.40 C Risk: None Vertical Totals Index: 19.80 C Cross Totals Index: 17.60 C K Index: 4.20 Risk: None Sweat Index: 97.00 Risk: None Energy Index: 3.71 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 18.08 J/kg Max Up Vert Vel: 6.01 m/s Conv Inhibition (B-): 24059.98 J/kg Cap Strength: 20.29 C Lift Cond Lev (LCL): 922.23 mb = 699.99 m = 2296.52 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 312 at 21 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 1004 46 240 9 7.8 4.5 | 157 20 -7.8 18.3 1 1000 77 240 13 11.3 6.5 | 168 21 -4.3 20.3 2 925 677 285 31 29.9 -8.0 | 248 15 14.4 5.8 3 850 1326 290 33 31.0 -11.3 | 261 16 15.4 2.5 4 700 2800 280 23 22.7 -4.0 | 216 12 7.1 9.8 5 500 5250 280 31 30.5 -5.4 | 241 17 15.0 8.4 6 400 6800 275 31 30.9 -2.7 | 234 19 15.3 11.1 7 300 8690 275 36 35.9 -3.1 | 242 23 20.3 10.7 8 250 9840 275 42 41.8 -3.7 | 249 28 26.3 10.1 9 249 9865 275 42 41.8 -3.7 | 249 28 26.3 10.1 10 200 11240 280 23 22.7 -4.0 | 216 12 7.1 9.8 11 150 13060 290 15 14.1 -5.1 | 170 9 -1.5 8.7 12 100 15660 285 9 8.7 -2.3 | 149 13 -6.9 11.5 Wind Parameters Mean winds (0-6000m): 281.5 at 27.7 knts Storm direction: 311.5 at 20.8 knts Shear (0-3000m) pos: 4.5 neg: 1.5 tot: 6.0 10-3/s Storm rel Dir Shear (0-3000m): 62.2 deg Storm rel helicity (0-3000m) pos: 148.5 neg: -36.0 tot: 112.5 m^2/s^2 ave: 37.5 10^-3 m/s^2 rel: 0.50 Storm rel vorticity (0-3000m) horiz: 7.5 stream: 3.8 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 1.11 Bulk Shear: 16.34 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 ------------------------------------------------------------------------------- 500 263 19 193 17| 21.0 0.0 21.0|107.2 0.0 107.2 214.5 0.98| 23.2 22.7 1000 279 25 223 14| 13.9 0.0 13.9|141.1 0.0 141.1 141.1 0.98| 15.9 15.6 1500 283 28 236 14| 9.1 0.0 9.1|146.7 -5.4 141.2 94.1 0.90| 11.6 10.4 2000 284 28 239 14| 6.8 1.0 7.8|146.7 -18.4 128.3 64.1 0.71| 9.7 6.9 2500 284 28 238 13| 5.4 1.6 7.0|146.7 -30.5 116.1 46.5 0.56| 8.5 4.8 3000 284 27 236 13| 4.5 1.5 6.0|148.5 -36.0 112.5 37.5 0.50| 7.5 3.8 4000 283 27 233 13| 3.4 0.8 4.2|157.9 -36.0 121.9 30.5 0.53| 6.0 3.2 5000 282 27 233 14| 2.7 0.5 3.2|167.3 -36.0 131.3 26.3 0.54| 5.2 2.8 6000 282 28 235 14| 2.3 0.5 2.8|169.2 -41.0 128.2 21.4 0.50| 4.5 2.3 Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20251027.12.gif