UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121812.upa.cvt Date: 1200Z 18 DEC 25 Searching for UHMM... Searching the city database file for: UHMM ... Date:1200Z 18 DEC 25 Station: UHMM WMO ident: 25913 Latitude: 59.58 Longitude: 150.78 Elevation: 118.00 ------------------------------------------------------------------------------- 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 38 SFC 990 118 -3.5 -8.5 68 5.0 -5.1 180 11 270.4 270.8 268.7 276.0 2.03 2 925 648 -8.5 -14.5 62 6.0 -10.0 175 23 270.6 270.8 267.6 274.4 1.34 3 850 1296 -13.9 -17.7 73 3.8 -14.7 180 23 271.6 271.8 267.8 274.8 1.12 4 760 2134 -20.9 -23.6 79 2.7 -21.3 177 26 272.8 273.0 268.0 275.0 0.75 5 700 2736 -25.9 -29.8 70 3.9 -26.3 175 29 273.8 273.9 268.1 275.2 0.46 6 555 4367 -41.1 -45.0 66 3.9 -41.2 178 32 274.6 274.6 268.0 275.0 0.12 7 509 4951 -45.1 -48.9 66 3.8 -45.2 180 33 276.6 276.7 269.2 276.9 0.09 8 500 5070 -44.7 -48.6 65 3.9 -44.8 180 33 278.5 278.6 270.4 278.8 0.09 9 493 5164 -44.3 -48.3 64 4.0 -44.5 181 33 280.2 280.2 271.4 280.5 0.10 10 400 6540 -50.1 -55.1 55 5.0 -50.2 195 35 289.9 289.9 276.7 290.1 0.05 11 363 7173 -52.1 -58.1 48 6.0 -52.2 200 33 295.4 295.4 279.3 295.5 0.04 12 306 8290 -48.9 -55.9 44 7.0 -49.1 191 35 314.6 314.7 287.1 314.9 0.06 13 300 8420 -49.3 -57.3 39 8.0 -49.5 190 35 315.9 315.9 287.5 316.1 0.06 14 250 9610 -50.1 -59.1 34 9.0 -50.4 210 38 331.6 331.6 292.2 331.8 0.05 15 202 10996 -52.9 -63.9 25 11.0 -53.2 191 36 348.0 348.0 296.2 348.2 0.04 16 200 11060 -52.5 -63.5 25 11.0 -52.8 190 36 349.6 349.6 296.6 349.8 0.04 17 166 12280 -46.7 -59.7 21 13.0 -47.3 196 36 378.5 378.5 302.1 378.8 0.07 18 150 12950 -48.5 -63.5 16 15.0 -49.1 200 36 386.5 386.5 303.3 386.7 0.05 19 127 14037 -52.3 -67.3 15 15.0 -52.8 204 36 398.5 398.5 305.0 398.7 0.04 20 100 15600 -48.1 -65.1 12 17.0 -49.1 210 36 434.8 434.8 309.4 435.1 0.06 21 88 16435 -50.1 -68.1 10 18.0 -51.0 212 40 447.0 447.0 310.6 447.2 0.05 22 75 17480 -48.3 -67.3 9 19.0 -49.6 214 44 471.7 471.7 312.8 472.0 0.06 23 70 17930 -51.5 -70.5 9 19.0 -52.5 215 46 474.2 474.2 313.0 474.4 0.04 24 68 18118 -51.7 -70.7 9 19.0 -52.7 214 46 477.7 477.7 313.3 478.0 0.04 25 61 18831 -46.1 -66.1 9 20.0 -48.0 211 44 505.3 505.3 315.4 505.8 0.09 26 50 20140 -50.1 -70.1 8 20.0 -51.7 205 42 525.4 525.4 316.6 525.8 0.06 27 48 20407 -50.5 -70.5 8 20.0 -52.1 206 42 530.6 530.6 317.0 531.0 0.06 28 37 22122 -47.1 -68.1 7 21.0 -49.7 211 43 580.4 580.4 319.7 581.1 0.11 29 35 22494 -43.7 -64.7 8 21.0 -47.3 212 43 598.5 598.6 320.6 599.9 0.18 30 32 23092 -47.5 -68.5 7 21.0 -50.3 214 44 603.9 603.9 320.8 604.8 0.12 31 30 23520 -47.1 -68.1 7 21.0 -50.2 215 44 616.2 616.3 321.4 617.3 0.13 32 25 24721 -48.3 -69.3 7 21.0 -51.5 211 39 645.8 645.8 322.6 646.9 0.14 33 24 24991 -44.9 -66.9 7 22.0 -49.2 209 38 663.2 663.3 323.2 664.9 0.20 34 20 26210 -44.1 -66.1 7 22.0 -49.2 205 33 701.2 701.3 324.6 703.5 0.26 35 18 26922 -41.1 -64.1 7 23.0 -47.7 732.1 732.3 325.5 735.6 0.38 36 16 27716 -44.9 -66.9 7 22.0 -50.4 744.8 744.9 325.8 747.5 0.30 37 14 28617 -40.5 -63.5 7 23.0 -48.3 788.7 789.0 327.1 794.0 0.53 38 12 29661 -43.5 -65.5 7 22.0 -50.5 813.6 813.9 327.7 818.5 0.48 39 10 30904 -37.1 -61.1 6 24.0 -47.9 881.1 881.6 329.2 892.3 1.03 TRP 363 7173 -52.1 -58.1 48 6.0 -52.2 200 33 295.4 295.4 279.3 295.5 0.04 WND Sounding variables and indices 1000-500 mb thick: 5032.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.16 inches Sfc-500 mean rel hum: 69.25 % Est. max temperature: -2.20 C = 28.04 F Sfc-Lift cond lev (LCL): 914.80 mb = 732.95 m = 2404.65 ft T: -9.21 C 700-500 lapse rate: 8.05 C/km ThetaE index: 1.62 C Layer 925.0- 850.0 mb Conv cond level (CCL): 850.73 mb = 1289.40 m = 4230.27 ft Mean mixing ratio: 1.54 g/kg Conv temperature: -2.35 C = 27.76 F Cap Strength: 1.70 C Lifted Index: 3.21 C Risk: None Lifted Index @300 mb: 29.02 C Lifted Index @700 mb: 0.62 C Showalter Index: 3.36 C Risk: None Total Totals Index: 57.80 C Risk: Severe Thunderstorms probable Vertical Totals Index: 30.80 C Cross Totals Index: 27.00 C K Index: 9.20 Risk: None Sweat Index: 255.00 Risk: None Energy Index: 0.80 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.27 J/kg Max Up Vert Vel: 2.13 m/s Conv Inhibition (B-): 74234.27 J/kg Cap Strength: 2.73 C Lift Cond Lev (LCL): 862.95 mb = 1180.15 m = 3871.83 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 209 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 ---------------------------------------------------------- 0 990 118 180 11 0.0 11.0 | 54 13 -10.4 -7.6 1 925 648 175 23 -2.0 22.9 | 109 13 -12.4 4.3 2 850 1296 180 23 0.0 23.0 | 113 11 -10.4 4.4 3 700 2736 175 29 -2.5 28.9 | 129 17 -12.9 10.3 4 500 5070 180 33 0.0 33.0 | 144 18 -10.4 14.4 5 400 6540 195 35 9.1 33.8 | 175 15 -1.3 15.2 6 363 7173 200 33 11.3 31.0 | 184 12 0.9 12.4 7 300 8420 190 35 6.1 34.5 | 165 16 -4.3 15.9 8 250 9610 210 38 19.0 32.9 | 211 17 8.6 14.3 9 200 11060 190 36 6.3 35.5 | 166 17 -4.1 16.9 10 150 12950 200 36 12.3 33.8 | 187 15 1.9 15.2 11 100 15600 210 36 18.0 31.2 | 211 15 7.6 12.6 12 70 17930 215 46 26.4 37.7 | 220 25 16.0 19.1 13 50 20140 205 42 17.7 38.1 | 201 21 7.4 19.5 14 30 23520 215 44 25.2 36.0 | 220 23 14.8 17.5 15 20 26210 205 33 13.9 29.9 | 197 12 3.6 11.3 Wind Parameters Mean winds (0-6000m): 179.2 at 28.4 knts Storm direction: 209.2 at 21.3 knts Shear (0-3000m) pos: 0.6 neg: 2.7 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 77.3 deg Storm rel helicity (0-3000m) pos: 54.5 neg: 0.0 tot: 54.5 m^2/s^2 ave: 18.2 10^-3 m/s^2 rel: 0.79 Storm rel vorticity (0-3000m) horiz: 3.6 stream: 2.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.12 Bulk Shear: 18.37 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 ------------------------------------------------------------------------------- 500 177 17 80 12| 0.0 11.7 11.7| 33.7 0.0 33.7 67.4 0.95| 11.8 11.2 1000 177 20 96 12| 0.8 5.9 6.6| 37.6 0.0 37.6 37.6 0.90| 6.9 6.2 1500 178 21 102 11| 0.9 3.9 4.8| 41.4 0.0 41.4 27.6 0.87| 5.2 4.5 2000 178 22 107 12| 0.6 3.5 4.1| 46.0 0.0 46.0 23.0 0.84| 4.5 3.7 2500 177 23 112 12| 0.5 3.2 3.8| 50.3 0.0 50.3 20.1 0.80| 4.0 3.2 3000 177 24 116 13| 0.6 2.7 3.3| 54.5 0.0 54.5 18.2 0.79| 3.6 2.9 4000 177 26 121 14| 0.7 2.0 2.7| 63.5 0.0 63.5 15.9 0.81| 3.0 2.4 5000 177 27 127 14| 0.8 1.6 2.4| 73.5 0.0 73.5 14.7 0.82| 2.6 2.1 6000 179 28 132 15| 1.1 1.4 2.4| 99.3 0.0 99.3 16.5 0.85| 2.7 2.3 Wrote GIF file: /home/apache/climate/data/raob//UHMM/skewt/UHMM.skewt.20251218.12.gif