Mike's Weather Blog -- May 2007

May 31, 2007 - Full Moon Also Called Blue Moon

The old saying "once in a blue moon" may not have quite the weight once thought.

In fact, one study shows the blue moon actually happens on average about every 2 to 3 years.

A blue moon isn't really blue, nor does it look any different than the normal moon. It simply means that it is the second appearance of the full moon within the same calendar month.

May 30, 2007 - Tuesday's Rain Totals Vary Across Metro

Rain totals on Tuesday varied from over an inch on the northwest side of the city to less than a quarter-inch over the southeast metro.

In north Denver, north Lakewood and Wheat Ridge, some residents saw almost an inch of rain in just a matter of minutes.

On the eastern plains, many residents also saw very heavy rain. In Phillips County, one observer reported 3.37 inches of rain from the slow-moving thunderstorms.

You can get all the latest rain totals by checking out CoCoRaHS. Just click here .

May 29, 2007 - Tropical Storm Alvin Forms Over Weekend

The first named storm of the eastern Pacific hurricane season developed over the Memorial Day weekend.

As of Tuesday morning, Alvin was located several hundred miles off the west coast of Mexico, moving west.

The storm will only impact shipping interests in the region, and will not affect land.

Forecasters do not expect Alvin to reach hurricane strength in the next 48 hours.

Meanwhile, the Atlantic hurricane season officially begins on Friday. Forecasters are expecting a busy season.

May 27, 2007 - Warmer Weather In Store Sunday

Temperatures around the Front Range will warm some 10 degrees over highs on Saturday.

In Denver, expect temperatures to reach the lower to middle 80s under mostly sunny skies.

Cooler, unsettled weather will make a return to the forecast as you head back to work and school on Tuesday.

May 26, 2007 - Slight Risk Of Severe Weather Saturday

Showers and thunderstorms are expected to bubble-up over the mountains and foothills by noon Saturday, then push east onto the plains.

Once along and east of I-25, a few of these storms could turn strong to severe with hail and heavy rain.

Storms should be short-lived, but will be strong enough that if one approaches your location, you should seek shelter.

Stay with 7NEWS and TheDenverChannel.com for the latest forecast information today.

May 25, 2007 - Holiday Weekend Outlook

The holiday weekend will be a bit unsettled to start as a cold front moves into the state late Friday. It will bring showers and thunderstorms, along with some cooler weather Saturday.

Conditions will improve and warm up both Sunday and Monday.

If you have outdoor plans, don't cancel them. But do be prepared to move indoors if thunderstorms move into your area.

May 21, 2007 - Cooler Weather Ahead

A potent spring cold front will move through the state Monday into Tuesday, bringing an abrupt end to the above average temperatures we enjoyed this weekend.

Strong storms developed ahead of the cold front east of the metro area Monday afternoon. Showers and storms are possible again on Tuesday and Wednesday, but the severe weather threat is low both days.

High temperatures will be in the upper 50s to low 60s both days.

Look for a rebound in temperatures as we move toward the weekend.

May 18, 2007 - Weekend Outlook Is Nice

Anticipate a great spring weekend across Colorado with mostly sunny skies and mild temperatures.

As typical for this time of year, there will be a few short-lived afternoon showers and thunderstorms, but they shouldn't ruin too many plans.

Look under the weather news section of the weather page on TheDenverChannel.com for a full story about the weekend outlook.

May 17, 2007 - Showers, Few Storms Thursday Afternoon

There is enough moisture and instability present for a few showers and thunderstorms Thursday afternoon and evening, mainly along the Palmer Divide and across southern Colorado.

One or two storms may briefly go severe due to the threat for hail up to one inch in diameter.

We saw one storm east of Parker go severe about 2:45 p.m. due to 1-inch diameter hail.

One of the criteria for a severe thunderstorm is hail equal to or greater than 3/4-inch in diameter.

We could see a repeat of this on Friday before some drier air moves into the state over the coming weekend.

May 16, 2007 - Above-Normal Temperatures Will Make Return

Warmer, drier weather will slowly make a return over the next few days. By Friday, highs will approach 80 degrees in the Denver area.

Expect widespread 80s over the weekend across eastern Colorado.

There could be a few locations that climb into the upper 80s and approach 90 degrees, but most people will remain in the lower to middle 80s.

By early next week, highs will tumble as low as the 60s behind a cold front that could spark severe weather like we saw this past Monday.

We've left the sidebar from Monday's severe thunderstorms linked to this blog. Feel free to look back at the video, pictures and stories.

May 15, 2007 - Quiet, Cooler Weather Expected Tuesday

Tuesday will not be as wild as Monday was across Denver and eastern Colorado.

Anticipate cloudy, cooler weather with highs only in the 50s and 60s across the mountains, foothills and eastern plains.

Some showers and thundershowers are possible once we see daytime heating take place.

There is extensive coverage on TheDenverChannel.com about Monday's severe weather, including over 50 viewer pictures, a complete recap of storm reports, videos and more.

Some are linked above in the sidebar. You can find the rest of the coverage under Weather News on the main weather page, and under the headlines section of the front page.

May 14, 2007 - Week Will Begin Cooler, Unsettled

A cold front will impact the state over the next 48 hours, bringing cooler and unsettled weather back into the forecast.

Showers and thunderstorms are expected to develop today along the Front Range. A few could turn strong with daytime heating, especially along and north of I-70, and south of I-76 in northeast and east-central Colorado.

Highs in Denver will be in the 70s.

Light rain showers are anticipated across northeat Colorado on Tuesday. It will be even cooler with highs only climbing into the 60s around the metro area.

May 11, 2007 - Could Weekend Hold 90-Degree Temperatures?

It will be a warm, dry Mother's Day weekend across the state, with just a few isolated afternoon thunderstorms in the forecast.

Daytime temperatures through Sunday are expected to be well into the 80s across both eastern and western Colorado.

The mountains and foothills will see mostly 70s, with 60s above 11,000 feet.

Could we see the first 90-degree temperature of the year in Denver?

It is certainly possible, but more than likely, we will hold in the middle to upper 80s.

However, there is a big bubble of heat sitting over the deserts of California and Arizona. Temperatures there are expected to be between 100 and 105 degrees this weekend.

If you have made plans to be outdoors, be sure to have access to plenty of water and sunscreen.

May 10, 2007 - Heat, Fires, Floods Grip Nation

Portions of California, Florida, Georgia and Minnesota are dealing with wildfires today. Very dry conditions have existed over the past several weeks with no relief in sight.

In the center of the nation, water is plentiful. Locations from Missouri and Kansas to Oklahoma and Texas were dealing with flooding from recent heavy rains.

In the deserts of southern Arizona and California, widespread temperatures in the 100s are expected heading into Mother's Day weekend.

The heat has prompted a heat advisory for area residents.

Phoenix is expected to be at or above 100 degrees all weekend.

May 8, 2007 - Above-Average Temps Return

The past four days have been 10 to as much as 20 degrees cooler than average, but that trend will change starting today.

Afternoon highs are expected to climb back into the lower 70s today, just a few degrees above the average high.

By the weekend, most locations along and east of I-25 should approach or exceed 80 degrees.

May 7, 2007 - Tornado Deaths Above Average In 2007

It has been a deadly year for tornadoes in the United States, with over 65 deaths reported thus far. In a normal year, we see about 30 tornado-related deaths.

So far in 2007, there has been at least one deadly tornado each month. The first killer tornado of 2007 hit the small town of Lydia, Louisiana on January 4. It killed two people who were in a mobile home.

In February, 21 people were killed across central Florida as twisters roared through Lady Lake and DeLand, just outside of Orlando.

There was also a fatality in Louisiana near the town of Gentilly.

March was a particularly deadly month for twisters in the United States. Twenty people lost their lives from Missouri to Alabama and Georgia on March 1 during a severe weather outbreak.

States that usually don’t see many tornado deaths experienced the rath of Mother Nature during the month of March, including Colorado and New Mexico. The tornado death in Colorado from the Holly tornado was the first one in our state since 1960.

There were two fatalities in Oklahoma during March.

In April, deadly tornadoes hit South Carolina and Texas, claiming a total of nine lives.

Out of 17 deadly tornadoes between January and April, 5 have killed at least a half-dozen people and nine have claimed at least two lives.

Those numbers will go up significantly after the final numbers from this weekend’s tornadoes are received.

May 5, 2007 - Large Severe Weather Outbreak Expected Saturday

Severe thunderstorms with the possibility of long-track tornadoes are expected today aross the high plains of the United States.

The target zone for the most intense severe storms is north-central Kansas and south-central Nebraska.

But locations from Kansas to South Dakota are also at risk for rough weather.

Portions of extreme eastern Colorado could once again see a few thunderstorms Saturday afternoon that turn strong to severe.

May 4, 2007 - Severe Weather Likely Again Friday

Severe thunderstorms will likely develop once again across eastern Colorado today. Locations from the I-25 corridor to Kansas are at risk.

On Thursday, the heaviest storms were across Weld and Morgan counties. Today, that may shift a bit south and east.

Stay with 7NEWS and TheDenverChannel.com for the latest.

May 3, 2007 - Severe Weather Possible Thursday

The Storms Prediction Center has outlined much of the Front Range of the Rockies from Denver north to Montana for a slight risk of severe weather Thursday afternoon.

Locations near the Wyoming and Nebraska border will have the best ingredients in place for severe storms.

Heavy rain, large hail, strong damaging winds and isolated tornadoes will be possible.

Stay with 7news and TheDenverChannel.com for the latest.

May 2, 2007 - Weekend Looking Cool, Unsettled

A large trough of low pressure will push into the western United States over the next few days. By the weekend, it will be very near Colorado.

The actual forecast will depend on where this low pressure decides to go -- but right now, it looks like it will be close enough to have an impact this weekend.

Showers and thunderstorms appear likely with highs in the upper 50s and lower 60s both Saturday and Sunday.

A shift in the low pressure's track could mean it will be cooler or warmer than that.

Stay with 7news and TheDenverChannel.com for the latest.

May 1, 2007 - Showers, Storms Possible Tuesday

The first day of May could bring showers and a few thunderstorms to Denver, the foothills and the eastern plains of Colorado. We are watching the track of an upper-level low pressure to the southeast of the state.

In addition, a cold front has pushed through, and that will help focus a few showers and storms as we get daytime heating.

This could be the beginning of an unsettled trend in the weather pattern that will take us into the weekend. Stay with 7news for the latest forecast information.

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