UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121712.upa.cvt Date: 1200Z 17 DEC 25 Searching for X2618... Searching the city database file for: X2618 ... Date:1200Z 17 DEC 25 Station: X2618 WMO ident: 32618 Latitude: 55.20 Longitude: 165.98 ------------------------------------------------------------------------------- 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 1015 17 0.4 -1.2 89 1.6 -0.2 270 11 272.4 273.0 272.1 281.7 3.45 1 1000 136 0.0 -2.9 81 2.9 -1.1 240 7 273.1 273.7 272.1 281.5 3.08 2 962 445 -1.3 -5.0 76 3.7 -2.6 238 12 274.9 275.3 272.6 282.4 2.74 3 940 629 -4.3 -8.4 73 4.1 -5.6 236 15 273.7 274.0 270.9 279.6 2.15 4 925 756 -2.7 -7.1 72 4.4 -4.2 235 17 276.5 277.0 273.1 283.3 2.42 5 874 1204 -3.9 -9.9 63 6.0 -5.8 235 20 279.8 280.2 274.4 285.7 2.06 6 850 1423 -5.3 -9.4 73 4.1 -6.7 235 21 280.6 281.0 275.0 286.9 2.20 7 828 1628 -6.9 -11.0 73 4.1 -8.2 231 21 281.0 281.4 275.0 286.7 1.99 8 798 1916 -6.7 -25.7 20 19.0 -10.7 225 20 284.2 284.3 274.6 286.0 0.59 9 700 2929 -12.3 -34.3 14 22.0 -15.7 205 19 288.9 288.9 276.6 289.8 0.30 10 518 5157 -26.7 -40.7 25 14.0 -28.0 196 38 297.5 297.5 280.6 298.2 0.21 11 500 5410 -28.9 -42.9 25 14.0 -30.1 195 40 297.8 297.8 280.6 298.4 0.17 12 400 6970 -41.1 -53.1 26 12.0 -41.6 190 48 301.6 301.6 282.1 301.8 0.07 13 362 7642 -46.5 -58.5 24 12.0 -46.8 190 50 303.1 303.1 282.7 303.2 0.04 14 324 8371 -51.3 -62.3 26 11.0 -51.5 190 52 306.2 306.2 283.9 306.3 0.03 15 300 8870 -52.9 -63.9 25 11.0 -53.1 190 54 310.8 310.8 285.7 310.9 0.02 16 291 9066 -53.7 -64.7 25 11.0 -53.9 185 60 312.3 312.3 286.2 312.4 0.02 17 285 9199 -54.3 -65.3 25 11.0 -54.5 185 58 313.4 313.4 286.5 313.5 0.02 18 250 10040 -53.5 -64.5 25 11.0 -53.7 180 54 326.5 326.5 290.7 326.6 0.03 19 222 10799 -54.7 -67.7 19 13.0 -54.9 185 55 336.0 336.0 293.3 336.0 0.02 20 206 11279 -51.9 -64.9 20 13.0 -52.2 189 56 347.6 347.6 296.1 347.8 0.03 21 200 11470 -52.3 -66.3 17 14.0 -52.6 190 56 349.9 350.0 296.7 350.1 0.03 22 152 13235 -54.1 -70.1 12 16.0 -54.5 195 48 375.4 375.4 301.5 375.5 0.02 23 150 13320 -53.9 -69.9 12 16.0 -54.3 195 48 377.2 377.2 301.8 377.3 0.02 24 137 13906 -51.1 -68.1 11 17.0 -51.7 196 47 392.1 392.1 304.1 392.2 0.03 25 120 14761 -54.5 -72.5 9 18.0 -54.9 198 45 401.0 401.0 305.3 401.1 0.02 26 107 15502 -50.5 -68.5 10 18.0 -51.2 199 43 421.9 421.9 308.0 422.1 0.04 27 100 15940 -53.3 -72.3 8 19.0 -53.9 200 42 424.7 424.7 308.3 424.9 0.02 28 91 16554 -48.9 -68.9 8 20.0 -50.0 200 40 445.1 445.1 310.4 445.3 0.04 29 73 17988 -53.3 -74.3 6 21.0 -54.1 200 37 464.7 464.8 312.2 464.9 0.02 30 70 18260 -51.3 -72.3 6 21.0 -52.4 200 36 474.6 474.6 313.0 474.8 0.03 31 64 18842 -49.3 -70.3 7 21.0 -50.7 199 34 491.3 491.4 314.4 491.6 0.05 32 63 18945 -49.3 -70.3 7 21.0 -50.7 198 34 493.6 493.6 314.5 493.9 0.05 33 50 20450 -50.7 -72.7 6 22.0 -52.2 195 29 524.0 524.0 316.6 524.3 0.04 34 45 21136 -50.3 -72.3 6 22.0 -52.0 191 31 541.0 541.0 317.6 541.3 0.05 35 36 22594 -49.5 -73.5 4 24.0 -51.8 182 36 578.7 578.7 319.6 579.1 0.05 36 30 23780 -52.1 -75.1 5 23.0 -54.1 175 40 602.6 602.6 320.7 603.0 0.05 37 26 24718 -48.1 -72.1 5 24.0 -51.4 175 34 639.1 639.2 322.3 639.8 0.09 38 20 26450 -48.9 -72.9 4 24.0 -52.5 175 23 686.5 686.5 324.0 687.3 0.10 39 19 26787 -49.1 -73.1 4 24.0 -52.8 696.0 696.1 324.3 696.9 0.10 40 14 28828 -40.7 -66.7 4 26.0 -48.6 788.0 788.2 327.0 791.4 0.35 41 11 30475 -39.3 -65.3 5 26.0 -48.9 849.4 849.7 328.5 855.1 0.53 TRP 285 9199 -54.3 -65.3 25 11.0 -54.5 185 58 313.4 313.4 286.5 313.5 0.02 WND 291 9066 -53.7 -64.7 25 11.0 -53.9 185 60 312.3 312.3 286.2 312.4 0.02 Sounding variables and indices 1000-500 mb thick: 5274.00 m Freezing level: 1000.00 mb = 136.00 m = 446.19 ft Wetbulb zero: Below ground Precipitable water: 0.25 inches Sfc-500 mean rel hum: 36.19 % Est. max temperature: 8.16 C = 46.68 F Sfc-Lift cond lev (LCL): 989.88 mb = 217.25 m = 712.76 ft T: -0.34 C 700-500 lapse rate: 6.69 C/km ThetaE index: 2.80 C Layer 940.0- 925.0 mb Conv cond level (CCL): 774.27 mb = 2149.75 m = 7052.90 ft Mean mixing ratio: 2.70 g/kg Conv temperature: 13.35 C = 56.04 F Cap Strength: 13.56 C Lifted Index: 13.62 C Risk: None Lifted Index @300 mb: 20.56 C Lifted Index @700 mb: 9.01 C Showalter Index: 9.69 C Risk: None Total Totals Index: 43.10 C Risk: None Vertical Totals Index: 23.60 C Cross Totals Index: 19.50 C K Index: -7.80 Risk: None Sweat Index: 82.00 Risk: None Energy Index: 2.42 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.26 J/kg Max Up Vert Vel: 4.75 m/s Conv Inhibition (B-): 72766.56 J/kg Cap Strength: 13.60 C Lift Cond Lev (LCL): 912.66 mb = 862.08 m = 2828.30 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 237 at 19 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 1015 17 270 11 11.0 -0.0 | 25 11 -4.8 -10.3 1 1000 136 240 7 6.1 3.5 | 55 12 -9.7 -6.8 2 925 756 235 17 13.9 9.8 | 73 2 -1.9 -0.6 3 850 1423 235 21 17.2 12.0 | 219 2 1.4 1.7 4 700 2929 205 19 8.0 17.2 | 132 10 -7.8 6.9 5 500 5410 195 40 10.4 38.6 | 169 29 -5.4 28.3 6 400 6970 190 48 8.3 47.3 | 169 38 -7.5 36.9 7 300 8870 190 54 9.4 53.2 | 171 43 -6.4 42.9 8 291 9066 185 60 5.2 59.8 | 168 51 -10.6 49.4 9 285 9199 185 58 5.1 57.8 | 167 49 -10.7 47.5 10 250 10040 180 54 0.0 54.0 | 160 46 -15.8 43.7 11 200 11470 190 56 9.7 55.1 | 172 45 -6.1 44.8 12 150 13320 195 48 12.4 46.4 | 175 36 -3.4 36.0 13 100 15940 200 42 14.4 39.5 | 177 29 -1.4 29.1 14 70 18260 200 36 12.3 33.8 | 172 24 -3.5 23.5 15 50 20450 195 29 7.5 28.0 | 155 20 -8.3 17.7 16 30 23780 175 40 -3.5 39.8 | 147 35 -19.3 29.5 17 20 26450 175 23 -2.0 22.9 | 125 22 -17.8 12.6 Wind Parameters Mean winds (0-6000m): 206.8 at 25.2 knts Storm direction: 236.8 at 18.9 knts Shear (0-3000m) pos: 0.0 neg: 3.1 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 110.3 deg Storm rel helicity (0-3000m) pos: 20.7 neg: -8.6 tot: 12.1 m^2/s^2 ave: 4.0 10^-3 m/s^2 rel: 0.12 Storm rel vorticity (0-3000m) horiz: 5.2 stream: 0.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.26 Bulk Shear: 43.31 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 ------------------------------------------------------------------------------- 500 242 10 51 9| 0.0 7.4 7.4| 17.6 0.0 17.6 35.1 0.55| 11.5 6.3 1000 238 13 55 6| 0.0 5.9 5.9| 18.6 0.0 18.6 18.6 0.48| 8.5 4.1 1500 236 15 59 3| 0.0 4.7 4.7| 19.0 -0.4 18.6 12.4 0.44| 6.8 3.0 2000 234 17 77 2| 0.0 3.9 3.9| 19.0 -2.7 16.3 8.1 0.26| 6.0 1.6 2500 230 17 106 3| 0.0 3.4 3.4| 19.0 -5.6 13.4 5.4 0.16| 5.5 0.9 3000 227 18 122 3| 0.0 3.1 3.1| 20.7 -8.6 12.1 4.0 0.12| 5.2 0.6 4000 219 19 141 6| 0.0 3.4 3.4| 40.6 -8.6 32.0 8.0 0.24| 5.0 1.2 5000 212 22 154 9| 0.0 3.6 3.6| 56.0 -8.6 47.3 9.5 0.26| 4.9 1.3 6000 207 25 160 13| 0.0 3.6 3.6| 60.5 -8.8 51.7 8.6 0.23| 4.7 1.1 Wrote GIF file: /home/apache/climate/data/raob//X2618/skewt/X2618.skewt.20251217.12.gif