UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120800.upa.cvt Date: 0000Z 8 DEC 25 Searching for HEMM... Searching the city database file for: HEMM ... Date:0000Z 8 DEC 25 Station: HEMM WMO ident: 62306 Latitude: 31.33 Longitude: 27.22 Elevation: 30.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1010 30 15.6 8.6 63 7.0 11.6 255 9 287.9 289.1 284.4 307.5 6.95 1 1000 110 15.2 9.2 67 6.0 11.8 260 19 288.4 289.6 284.9 309.0 7.31 2 996 144 15.0 9.0 67 6.0 11.6 262 20 288.5 289.8 284.9 308.9 7.24 3 988 213 16.6 10.6 68 6.0 13.0 265 21 290.8 292.2 286.7 313.9 8.14 4 925 771 12.6 5.6 62 7.0 8.8 285 23 292.2 293.3 285.3 310.0 6.17 5 850 1474 6.8 3.8 81 3.0 5.2 275 19 293.3 294.3 285.5 310.4 5.92 6 755 2436 0.0 -2.8 81 2.8 -1.3 275 14 296.0 296.8 284.7 308.2 4.12 7 733 2672 -2.3 -3.3 93 1.0 -2.7 249 13 296.0 296.7 284.6 308.1 4.09 8 730 2705 -2.1 -3.6 89 1.5 -2.7 245 12 296.6 297.3 284.8 308.5 4.01 9 710 2925 -2.3 -7.3 69 5.0 -4.3 240 12 298.7 299.3 284.6 308.2 3.11 10 700 3038 -3.3 -7.9 70 4.6 -5.1 240 12 298.8 299.4 284.5 308.0 3.01 11 651 3606 -7.1 -30.1 14 23.0 -12.0 253 15 300.8 300.9 282.4 302.4 0.48 12 637 3775 -7.9 -35.9 9 28.0 -13.0 252 16 301.8 301.8 282.5 302.7 0.28 13 584 4442 -13.5 -37.5 11 24.0 -17.3 238 16 302.8 302.9 282.9 303.7 0.26 14 560 4759 -15.9 -20.5 68 4.6 -17.0 249 16 303.7 303.9 284.5 308.0 1.34 15 546 4949 -17.3 -21.1 72 3.8 -18.2 257 17 304.2 304.4 284.7 308.4 1.30 16 539 5045 -17.9 -23.9 59 6.0 -19.2 253 18 304.6 304.8 284.5 308.0 1.03 17 503 5556 -22.5 -25.2 79 2.7 -23.0 241 23 305.1 305.3 284.7 308.3 0.98 18 500 5600 -22.9 -26.1 75 3.2 -23.5 245 23 305.1 305.3 284.6 308.1 0.91 19 489 5763 -24.3 -27.0 78 2.7 -24.8 237 17 305.3 305.5 284.7 308.2 0.86 20 482 5869 -24.9 -30.9 57 6.0 -25.8 242 14 305.9 306.0 284.5 307.9 0.60 21 477 5945 -24.9 -50.9 7 26.0 -27.0 250 12 306.8 306.8 284.2 307.1 0.07 22 470 6052 -25.3 -54.3 5 29.0 -27.4 260 8 307.6 307.6 284.5 307.8 0.05 23 449 6384 -27.5 -41.5 25 14.0 -28.9 256 10 308.9 308.9 285.2 309.7 0.22 24 443 6481 -28.1 -47.1 15 19.0 -29.7 255 11 309.3 309.3 285.2 309.8 0.12 25 414 6966 -30.5 -53.5 9 23.0 -32.0 255 16 312.3 312.3 286.2 312.5 0.06 26 400 7210 -32.7 -53.7 10 21.0 -34.0 250 16 312.5 312.5 286.3 312.7 0.06 27 308 8988 -49.1 -51.6 75 2.5 -49.2 261 11 313.8 313.8 286.8 314.2 0.11 28 300 9160 -50.7 -53.4 73 2.7 -50.8 255 10 313.9 313.9 286.8 314.2 0.09 29 299 9182 -50.9 -53.7 72 2.8 -51.0 255 10 313.9 313.9 286.8 314.2 0.09 30 288 9426 -52.1 -63.1 25 11.0 -52.3 255 10 315.6 315.6 287.3 315.7 0.03 31 282 9562 -52.9 -63.9 25 11.0 -53.1 250 24 316.3 316.3 287.6 316.4 0.03 32 250 10340 -53.1 -75.1 5 22.0 -53.4 245 46 327.1 327.1 290.9 327.1 0.01 33 200 11770 -54.7 -79.7 3 25.0 -55.0 250 57 346.1 346.1 295.8 346.2 0.00 34 191 12064 -54.5 -81.5 2 27.0 -54.8 246 55 351.1 351.1 296.8 351.1 0.00 35 185 12268 -55.5 -81.5 3 26.0 -55.8 253 60 352.7 352.7 297.2 352.7 0.00 36 176 12587 -53.3 -82.3 2 29.0 -53.7 260 63 361.3 361.3 299.0 361.3 0.00 37 150 13610 -55.3 -83.3 2 28.0 -55.6 265 52 374.8 374.8 301.4 374.8 0.00 38 110 15558 -61.9 -85.9 3 24.0 -62.1 265 43 397.2 397.2 304.8 397.2 0.00 39 100 16150 -59.7 -85.7 2 26.0 -60.0 255 52 412.4 412.4 306.8 412.4 0.00 40 84 17230 -63.7 -87.7 2 24.0 -63.9 255 53 425.3 425.3 308.3 425.3 0.00 41 83 17304 -63.2 -87.5 2 24.4 -63.4 255 58 427.9 427.9 308.6 427.9 0.00 42 72 18192 -56.7 -85.7 1 29.0 -57.3 263 45 459.4 459.4 311.7 459.4 0.00 43 70 18370 -57.9 -85.9 2 28.0 -58.5 265 40 460.5 460.5 311.8 460.5 0.00 44 64 18931 -60.7 -87.7 2 27.0 -61.1 268 34 466.3 466.3 312.3 466.3 0.00 45 50 20480 -57.3 -87.3 1 30.0 -58.1 275 28 508.4 508.4 315.5 508.5 0.00 46 43 21437 -55.7 -86.7 1 31.0 -56.8 242 26 534.8 534.8 317.2 534.8 0.00 47 39 22052 -60.3 -88.3 1 28.0 -61.0 223 26 538.3 538.3 317.4 538.3 0.00 48 33 23100 -57.3 -87.3 1 30.0 -58.5 256 35 572.6 572.6 319.3 572.6 0.01 49 31 23499 -53.5 -86.5 1 33.0 -55.3 257 34 593.2 593.2 320.3 593.2 0.01 50 30 23710 -52.5 -85.5 1 33.0 -54.5 255 33 601.5 601.5 320.7 601.6 0.01 51 27 24392 -52.3 -85.3 1 33.0 -54.6 245 39 620.5 620.5 321.5 620.5 0.01 52 20 26320 -55.7 -86.7 1 31.0 -57.8 270 34 665.7 665.7 323.3 665.8 0.01 53 19 26647 -55.9 -86.9 1 31.0 -58.0 271 35 674.9 674.9 323.6 675.0 0.01 54 17 27359 -52.9 -85.9 1 33.0 -55.9 275 36 706.3 706.3 324.6 706.4 0.01 TRP 282 9562 -52.9 -63.9 25 11.0 -53.1 250 24 316.3 316.3 287.6 316.4 0.03 WND 83 17304 -63.2 -87.5 2 24.4 -63.4 255 58 427.9 427.9 308.6 427.9 0.00 Sounding variables and indices 1000-500 mb thick: 5490.00 m Freezing level: 755.00 mb = 2435.95 m = 7991.87 ft Wetbulb zero: 773.54 mb = 2239.05 m = 7345.86 ft Precipitable water: 0.79 inches Sfc-500 mean rel hum: 58.67 % Est. max temperature: 20.81 C = 69.46 F Sfc-Lift cond lev (LCL): 909.37 mb = 912.73 m = 2994.47 ft T: 11.43 C 700-500 lapse rate: 7.65 C/km ThetaE index: 6.11 C Layer 710.0- 637.0 mb Conv cond level (CCL): 839.42 mb = 1575.62 m = 5169.31 ft Mean mixing ratio: 7.04 g/kg Conv temperature: 21.25 C = 70.25 F Cap Strength: 1.87 C Lifted Index: -1.30 C Risk: Thunderstorms probable Lifted Index @300 mb: 2.22 C Lifted Index @700 mb: 0.25 C Showalter Index: -0.83 C Risk: Thunderstorms probable Total Totals Index: 56.40 C Risk: Severe Thunderstorms probable Vertical Totals Index: 29.70 C Cross Totals Index: 26.70 C K Index: 28.90 Risk: 40-60 % chance of thunderstorms Sweat Index: 254.60 Risk: None Energy Index: -0.51 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 78.26 J/kg Max Up Vert Vel: 12.51 m/s Conv Inhibition (B-): 65.25 J/kg Cap Strength: 1.87 C Lift Cond Lev (LCL): 871.27 mb = 1268.49 m = 4161.67 ft Lev Free Conv (LFC): 756.27 mb = 2422.28 m = 7947.02 ft Equ Level (EL): 716.27 mb = 2855.54 m = 9368.46 ft B at Equ Level: 19.75 J/kg Max Parcel Lev (MPL): 396.27 mb = 7273.69 m = 23863.51 ft Wind level data Storm motion: 289 at 13 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 1010 30 255 9 8.7 2.3 | 151 8 -3.7 6.7 1 1000 110 260 19 18.7 3.3 | 219 10 6.3 7.7 2 977 305 270 23 23.0 -0.0 | 248 11 10.6 4.4 3 943 610 285 24 23.2 -6.2 | 280 11 10.8 -1.9 4 925 771 285 23 22.2 -6.0 | 279 10 9.8 -1.6 5 909 914 280 23 22.7 -4.0 | 268 10 10.2 0.4 6 850 1474 275 19 18.9 -1.7 | 247 7 6.5 2.7 7 783 2134 280 19 18.7 -3.3 | 260 6 6.3 1.1 8 754 2438 275 14 13.9 -1.2 | 206 3 1.5 3.1 9 726 2743 240 12 10.4 6.0 | 169 11 -2.0 10.4 10 700 3038 240 12 10.4 6.0 | 169 11 -2.0 10.4 11 699 3048 240 11 9.5 5.5 | 164 10 -2.9 9.9 12 645 3658 255 16 15.5 4.1 | 200 9 3.0 8.5 13 620 3962 245 16 14.5 6.8 | 191 11 2.1 11.1 14 572 4572 235 16 13.1 9.2 | 183 14 0.7 13.5 15 550 4877 260 16 15.8 2.8 | 205 8 3.3 7.1 16 528 5182 245 20 18.1 8.5 | 204 14 5.7 12.8 17 508 5486 235 24 19.7 13.8 | 202 20 7.3 18.1 18 500 5600 245 23 20.8 9.7 | 211 16 8.4 14.1 19 487 5791 235 16 13.1 9.2 | 183 14 0.7 13.5 20 467 6096 265 7 7.0 0.6 | 132 7 -5.4 5.0 21 447 6401 255 10 9.7 2.6 | 158 7 -2.7 6.9 22 411 7010 255 16 15.5 4.1 | 200 9 3.0 8.5 23 400 7210 250 16 15.0 5.5 | 195 10 2.6 9.8 24 394 7315 255 15 14.5 3.9 | 194 9 2.1 8.2 25 329 8534 255 14 13.5 3.6 | 188 8 1.1 8.0 26 315 8839 265 12 12.0 1.0 | 175 5 -0.5 5.4 27 300 9160 255 10 9.7 2.6 | 158 7 -2.7 6.9 28 287 9449 255 10 9.7 2.6 | 158 7 -2.7 6.9 29 282 9562 250 24 22.6 8.2 | 219 16 10.1 12.6 30 250 10340 245 46 41.7 19.4 | 231 38 29.3 23.8 31 238 10668 250 51 47.9 17.4 | 238 42 35.5 21.8 32 206 11582 255 40 38.6 10.4 | 241 30 26.2 14.7 33 200 11770 250 57 53.6 19.5 | 240 48 41.2 23.9 34 196 11887 240 52 45.0 26.0 | 227 45 32.6 30.4 35 179 12497 260 64 63.0 11.1 | 253 53 50.6 15.5 36 150 13610 265 52 51.8 4.5 | 257 40 39.4 8.9 37 140 14021 265 54 53.8 4.7 | 258 42 41.4 9.1 38 127 14630 260 35 34.5 6.1 | 245 24 22.1 10.4 39 121 14935 250 43 40.4 14.7 | 236 34 28.0 19.1 40 110 15545 265 43 42.8 3.7 | 255 31 30.4 8.1 41 105 15850 250 46 43.2 15.7 | 237 37 30.8 20.1 42 100 16150 255 52 50.2 13.5 | 245 42 37.8 17.8 43 95 16459 255 52 50.2 13.5 | 245 42 37.8 17.8 44 86 17069 255 42 40.6 10.9 | 242 32 28.2 15.2 45 83 17304 255 58 56.0 15.0 | 246 48 43.6 19.4 46 82 17374 255 58 56.0 15.0 | 246 48 43.6 19.4 47 74 17983 260 50 49.2 8.7 | 250 39 36.8 13.0 48 70 18370 265 40 39.8 3.5 | 254 29 27.4 7.8 49 64 18898 270 35 35.0 -0.0 | 259 23 22.6 4.4 50 61 19202 250 27 25.4 9.2 | 224 19 13.0 13.6 51 58 19507 285 29 28.0 -7.5 | 281 16 15.6 -3.1 52 56 19812 260 25 24.6 4.3 | 235 15 12.2 8.7 53 50 20422 255 37 35.7 9.6 | 239 27 23.3 13.9 54 50 20480 275 28 27.9 -2.4 | 263 16 15.5 1.9 55 46 21031 280 24 23.6 -4.2 | 269 11 11.2 0.2 56 44 21336 255 28 27.0 7.2 | 232 19 14.6 11.6 57 42 21641 215 23 13.2 18.8 | 182 23 0.8 23.2 58 40 21946 215 25 14.3 20.5 | 184 25 1.9 24.8 59 36 22555 260 28 27.6 4.9 | 239 18 15.2 9.2 60 34 22860 240 35 30.3 17.5 | 219 28 17.9 21.9 61 33 23165 260 35 34.5 6.1 | 245 24 22.1 10.4 62 30 23710 255 33 31.9 8.5 | 236 23 19.5 12.9 63 28 24079 265 32 31.9 2.8 | 250 21 19.5 7.1 64 27 24384 245 39 35.3 16.5 | 228 31 22.9 20.8 65 25 24994 275 37 36.9 -3.2 | 267 24 24.5 1.1 66 22 25603 275 35 34.9 -3.1 | 267 22 22.5 1.3 67 21 25908 255 40 38.6 10.4 | 241 30 26.2 14.7 68 20 26320 270 34 34.0 -0.0 | 259 22 21.6 4.4 69 14 27432 280 39 38.4 -6.8 | 275 26 26.0 -2.4 70 13 27737 270 31 31.0 -0.0 | 257 19 18.6 4.4 Wind Parameters Mean winds (0-6000m): 259.4 at 17.5 knts Storm direction: 289.4 at 13.2 knts Shear (0-3000m) pos: 2.8 neg: 3.0 tot: 5.8 10-3/s Storm rel Dir Shear (0-3000m): 18.0 deg Storm rel helicity (0-3000m) pos: 52.5 neg: -24.7 tot: 27.8 m^2/s^2 ave: 9.3 10^-3 m/s^2 rel: 0.22 Storm rel vorticity (0-3000m) horiz: 7.6 stream: 1.7 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 25.54 Bulk Shear: 3.06 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 ------------------------------------------------------------------------------- 500 270 21 242 10| 16.6 0.0 16.6| 45.4 0.0 45.4 90.9 0.98| 21.3 20.8 1000 277 22 259 10| 8.3 0.9 9.2| 50.1 -7.1 43.0 43.0 0.74| 13.3 9.9 1500 277 21 258 9| 5.5 1.8 7.3| 50.1 -12.1 38.0 25.3 0.58| 10.0 5.8 2000 277 21 257 9| 4.3 1.3 5.6| 52.1 -12.1 40.0 20.0 0.59| 7.9 4.6 2500 277 20 255 8| 3.4 2.5 5.9| 52.5 -18.7 33.8 13.5 0.33| 7.9 2.6 3000 274 19 243 7| 2.8 3.0 5.8| 52.5 -24.7 27.8 9.3 0.22| 7.6 1.7 4000 268 18 226 7| 2.6 2.4 5.1| 64.9 -29.4 35.6 8.9 0.25| 6.8 1.7 5000 264 17 217 8| 2.7 2.2 4.8| 76.5 -33.9 42.6 8.5 0.25| 6.5 1.6 6000 259 18 212 9| 2.2 2.2 4.4| 83.1 -72.2 10.8 1.8 0.06| 7.7 0.4 Wrote GIF file: /home/apache/climate/data/raob//HEMM/skewt/HEMM.skewt.20251208.00.gif