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 UHMM... Searching the city database file for: UHMM ... Date:1200Z 17 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 10 SFC 986 118 -3.1 -9.1 63 6.0 -5.0 70 11 271.1 271.5 269.0 276.5 1.94 2 954 381 -3.5 -9.5 63 6.0 -5.4 88 24 273.3 273.6 270.4 278.7 1.95 3 925 625 -6.5 -13.5 58 7.0 -8.4 105 36 272.7 272.9 269.1 276.8 1.46 4 901 829 -8.5 -14.5 62 6.0 -10.0 108 39 272.7 272.9 269.0 276.6 1.38 5 850 1278 -11.9 -16.4 69 4.5 -12.9 115 46 273.7 273.9 269.4 277.2 1.25 6 744 2282 -19.5 -23.8 69 4.3 -20.2 129 45 276.0 276.2 270.1 278.3 0.75 7 700 2732 -23.3 -27.4 69 4.1 -23.8 135 44 276.7 276.8 270.2 278.4 0.58 8 528 4720 -41.3 -45.4 64 4.1 -41.5 148 46 278.3 278.3 270.4 278.7 0.13 9 512 4929 -41.1 -45.1 65 4.0 -41.3 149 46 281.0 281.0 272.0 281.5 0.13 10 500 5090 -41.9 -46.3 62 4.4 -42.1 150 46 282.0 282.0 272.5 282.3 0.12 11 443 5902 -44.1 -49.1 57 5.0 -44.3 150 61 289.1 289.1 276.4 289.4 0.10 12 400 6580 -47.1 -54.1 45 7.0 -47.3 150 73 293.8 293.8 278.6 294.0 0.06 13 307 8302 -55.3 -64.3 32 9.0 -55.4 150 81 305.4 305.4 283.6 305.5 0.02 14 300 8450 -54.7 -63.7 32 9.0 -54.8 150 81 308.2 308.2 284.7 308.3 0.02 15 298 8493 -54.8 -63.8 32 9.0 -54.9 155 83 308.7 308.7 284.9 308.8 0.02 16 295 8558 -54.9 -63.9 32 9.0 -55.0 156 82 309.4 309.5 285.1 309.5 0.02 17 250 9640 -47.1 -57.1 31 10.0 -47.5 165 62 336.0 336.1 293.4 336.3 0.07 18 231 10163 -44.7 -56.7 25 12.0 -45.3 161 55 347.4 347.4 296.1 347.7 0.08 19 200 11110 -50.3 -63.3 20 13.0 -50.7 155 42 353.1 353.1 297.3 353.3 0.04 20 195 11275 -51.3 -64.3 20 13.0 -51.7 157 43 354.1 354.1 297.5 354.2 0.03 21 156 12718 -54.9 -68.9 16 14.0 -55.2 172 51 371.3 371.3 300.8 371.4 0.02 22 150 12970 -53.1 -68.1 15 15.0 -53.5 175 52 378.6 378.6 302.1 378.7 0.03 23 128 13999 -47.9 -63.9 14 16.0 -48.7 177 50 405.5 405.5 306.0 405.8 0.06 24 100 15620 -48.3 -65.3 12 17.0 -49.3 180 48 434.4 434.4 309.3 434.7 0.06 25 91 16243 -47.1 -65.1 11 18.0 -48.3 448.7 448.7 310.8 449.0 0.07 TRP 307 8302 -55.3 -64.3 32 9.0 -55.4 150 81 305.4 305.4 283.6 305.5 0.02 WND 298 8493 -54.8 -63.8 32 9.0 -54.9 155 83 308.7 308.7 284.9 308.8 0.02 Sounding variables and indices 1000-500 mb thick: 5080.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.17 inches Sfc-500 mean rel hum: 66.30 % Est. max temperature: -0.27 C = 31.52 F Sfc-Lift cond lev (LCL): 896.90 mb = 864.54 m = 2836.39 ft T: -8.77 C 700-500 lapse rate: 7.89 C/km ThetaE index: 2.18 C Layer 925.0- 850.0 mb Conv cond level (CCL): 829.30 mb = 1463.95 m = 4802.94 ft Mean mixing ratio: 1.65 g/kg Conv temperature: -0.12 C = 31.78 F Cap Strength: 3.47 C Lifted Index: 4.19 C Risk: None Lifted Index @300 mb: 21.98 C Lifted Index @700 mb: 1.41 C Showalter Index: 4.19 C Risk: None Total Totals Index: 55.50 C Risk: Severe Thunderstorms probable Vertical Totals Index: 30.00 C Cross Totals Index: 25.50 C K Index: 9.50 Risk: None Sweat Index: 268.00 Risk: None Energy Index: 1.02 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.01 J/kg Max Up Vert Vel: 2.83 m/s Conv Inhibition (B-): 19762.27 J/kg Cap Strength: 3.69 C Lift Cond Lev (LCL): 848.27 mb = 1293.34 m = 4243.18 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 165 at 34 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 ---------------------------------------------------------- 0 986 118 70 11 -10.3 -3.8 | 3 36 -1.9 -36.3 1 925 625 105 36 -34.8 9.3 | 49 35 -26.3 -23.2 2 850 1278 115 46 -41.7 19.4 | 69 36 -33.3 -13.1 3 700 2732 135 44 -31.1 31.1 | 86 23 -22.7 -1.4 4 500 5090 150 46 -23.0 39.8 | 117 16 -14.6 7.3 5 400 6580 150 73 -36.5 63.2 | 138 42 -28.1 30.7 6 307 8302 150 81 -40.5 70.1 | 140 49 -32.1 37.6 7 300 8450 150 81 -40.5 70.1 | 140 49 -32.1 37.6 8 298 8493 155 83 -35.1 75.2 | 148 50 -26.6 42.7 9 250 9640 165 62 -16.0 59.9 | 164 28 -7.6 27.4 10 200 11110 155 42 -17.7 38.1 | 121 11 -9.3 5.6 11 150 12970 175 52 -4.5 51.8 | 191 20 3.9 19.3 12 100 15620 180 48 0.0 48.0 | 209 18 8.4 15.5 Wind Parameters Mean winds (0-6000m): 135.5 at 44.8 knts Storm direction: 165.5 at 33.6 knts Shear (0-3000m) pos: 7.1 neg: 0.0 tot: 7.1 10-3/s Storm rel Dir Shear (0-3000m): 87.4 deg Storm rel helicity (0-3000m) pos: 470.9 neg: 0.0 tot: 470.9 m^2/s^2 ave: 157.0 10^-3 m/s^2 rel: 0.88 Storm rel vorticity (0-3000m) horiz: 10.1 stream: 8.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.03 Bulk Shear: 121.35 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 97 23 26 33| 28.1 0.0 28.1|273.0 0.0 273.0 545.9 1.00| 29.4 29.3 1000 105 32 42 33| 18.6 0.0 18.6|362.9 0.0 362.9 362.9 1.00| 19.7 19.6 1500 110 36 52 33| 13.5 0.0 13.5|412.0 0.0 412.0 274.6 0.97| 15.4 14.9 2000 114 38 58 32| 10.3 0.0 10.3|437.1 0.0 437.1 218.5 0.92| 13.0 12.0 2500 117 40 62 30| 8.3 0.0 8.3|457.8 0.0 457.8 183.1 0.89| 11.5 10.2 3000 121 41 66 29| 7.1 0.0 7.1|470.9 0.0 470.9 157.0 0.88| 10.1 8.9 4000 126 42 73 26| 5.6 0.0 5.6|492.8 0.0 492.8 123.2 0.87| 8.2 7.2 5000 131 43 79 24| 4.7 0.0 4.7|514.3 0.0 514.3 102.9 0.87| 7.1 6.2 6000 135 45 89 23| 3.9 1.6 5.5|557.2 0.0 557.2 92.9 0.77| 7.5 5.8 Wrote GIF file: /home/apache/climate/data/raob//UHMM/skewt/UHMM.skewt.20251217.12.gif