F4 TORNADO NOV. 29, 1991 November 29, 2007

Tornadoes can happen any time of the year for us, though peak season is in the Spring when temperature contrasts between air masses is greatest. Fall brings about similar conditions, just not to the extent of Spring. It was on this day back in 1991 that our neighbors to the north had to contend with [...]

FORT SMITH’S EAST WIND November 28, 2007

The Arkansas River Valley is many miles wide in eastern Oklahoma, though becomes narrow to almost a point 100 miles east of Fort Smith. Air, cooling across the Ozark and Boston Mountains to the North as well as Ouachita Mountains to the South, especially at night, funnels into the valley and travels westward, flowing towards [...]

SNOW FOR THE GREAT LAKES November 28, 2007

The cold front that will be sweeping through the area later on today is attached to an area of low pressure in the upper Midwest. As this low moves over the great lakes it will create some measurable snowfall. Areas of northern Michigan and northeastern Wisconsin will receive 3-6 inches and surrounding [...]

Windy & Mild Wednesday……. November 28, 2007

We’re looking for more of a spring-like afternoon for Wednesday thanks to a nice southerly feed. Unseasonably mild highs in the upper 50s and lower 60s are in the forecast.
In addition to increasing temperatures, the winds aloft look to speed up by Wednesday afternoon. Look at the 850 mb map above. Notice how strong the [...]

HIGH FIRE DANGER November 27, 2007

The Santa Ana winds are returning to the southwest for Tuesday night and Wednesday. An area of high pressure system is setting up over the Great Basin and will create a strong flow out of the east and northeast. As the air flows through the mountains and valleys, it will pick up speed [...]

Clearing Line……….. November 26, 2007

After several days of clouds and chilly conditions, the sunshine looks to make a return this afternoon. The visible satellite picture shows the clearing line moving into eastern Oklahoma, and the dry air to our west should provide us sunshine and falling dewpoints.
Expect A chilly night with temperatures in the 20s and lower 30s before [...]

WINTER WEATHER November 26, 2007

The wintry mix stayed just to our north for Monday morning. That doesn’t mean we didn’t get any precipitation to start off the work week. Rain showers moved through the area late last night and early this morning leading to some patchy fog and slick roads. The great news is that this [...]

24 Hours… CLEARING OUT! November 26, 2007

Just a little pocket of cold air remains in a semi cut-off area of Low pressure to our WSW. This Low is in what is known as “spin-down” stage. Cold air is no longer advecting (horizontally moving) into the system, and adding to it’s strength. It is filling in and becoming mixed with [...]

SUNDAY AM UPDATE November 25, 2007

Throughout the day, we are predominantly looking at a cold rain. Temperatures may not break 40 degrees north of I-40. Just along the leading edge of precipitation this morning though, there have been pockets of sleet and possibly a little freezing rain. The ground is still relatively warm so slick spots will likely not be [...]

POSSIBLE WINTRY WEATHER November 25, 2007

Check out the two model soundings for Fort Smith and Fayetteville at 6:00 AM on Sunday. The numbers on the bottom in yellow are temperatures in Celsius and they are “skewed” to the right up the chart, hence therefore the name “Skew-T chart”, which is what the diagrams are typically called.

Of particular note is [...]