2/13/09: Friday’s Weather Report

Issued at 5:13 PM CST, Friday, February 13th, 2009

Surface Analysis at 22z:

Low pressure averaging 1010 mb was centered along the Eastern Kansas-Western Missouri state line. A stationary front stretched from Western Ontario to Western Lake Superior to the Upper Michigan-Wisconsin state line to Southeast Michigan. High pressure averaging 1026 mb was centered over Central Ontario. High pressure averaging 1028 mb was centered along the Southern North Dakota-Northern South Dakota state line.

Upper Air Analysis at 22z:

Generally speaking the flow aloft was out of the west-southwest across the Upper Midwest Today. The biggest storm out there at this time was affecting the states of California, Oregon, and Washington state Today with 12 hour H5 height falls of 90 meters centered over Eastcentral California late Today. A fast moving disturbance was tracking through the Plains Today with an area of snow affecting parts of Nebraska and Iowa, but the main moisture source was un-attached from this system, as a result this storm won’t be that big of a deal. 850 mb temperatures around Minnesota at 4 PM Today ranged from -14 degrees C in far Northwest Minnesota to -8 to -12 degrees C over the rest of the state.

Today’s Weather:

Partly sunny to mostly cloudy skies covered most areas of the state with areas of snow showers and flurries continuing, mainly across Northern areas of the state. Snow totals over the Arrowhead of Minnesota have generally ranged from 1 to 5 inches since Thursday. Highs Today were mainly in the teens and 20s with winds out of the north or west around 10 to 20 mph.

Temperatures around Minnesota at 5 PM ranged from 24 degrees at St Paul to 9 degrees at Thief River Falls to 14 degrees at Fosston to 21 degrees at Crane Lake to 25 degrees at Two Harbors to 14 degrees at Wadena to 18 degrees at Staples to 25 degrees at Moose Lake to 23 degrees at Pipestone to 28 degrees at Glencoe to 25 degrees at Red Wing.

Tonight through Saturday Night:

High pressure will be building into Minnesota from the W/NW during this period. Flurries or some snow showers will likely persist through Tomorrow across parts of Northern Minnesota, but any additional accumulations shouldn’t be more than a half inch or inch. Look for partly to mostly cloudy skies across the state during this period with lows Tonight and Saturday Night in the single digits and teens with single digits and teens below possible over parts of the West. Winds through Saturday Night will be out of the west or north under 20 mph.

Extended Forecast:

High pressure will remain in control of our weather on Sunday…This high will then push off to our east during the early to mid part of next week. Cold front looks to develop and push SE across Minnesota between Monday Evening and Tuesday Night, while low pressure develops over the Plains during that same period. Looks like most of Minnesota will see some snow between Monday and early Wednesday of next week, but right now the heavier snow totals look to set-up in Southern Minnesota, as this area could be most susceptible to being affected by that Plains low. If the cold front can slow up and allow for the upper level pattern to amplify more, then that Plains low could take a more northerly track…Then heavier snow could affect areas of Central and Eastern Minnesota around Tuesday or Wednesday of next week, this outcome doesn’t look too likely at the moment, but stay tuned… The remainder of next week after Wednesday looks quiet at this time as the Upper Midwest transitions back into a northwest flow aloft…Could actually see a pretty good outbreak of cold temperatures later next week, but alot of that will depend on how much snow falls across the state early next week. High temperatures Sunday and Monday around Minnesota will be in the teens and 20s with some 30s possible South. Lows Sunday Night and Monday Night will be in the single digits, teens, and 20s with some single digit and teens below possible in the North Sunday Night.

Forecast for Duluth/Superior:

.Tonight… Partly to mostly cloudy with flurries. Low 8 to 14. Wind northwest at 10 to 15 mph.

.Saturday… Partly sunny. Flurries possible. High 20 to 25. Wind northwest around 15 mph.

.Saturday Night… Partly cloudy. Low 5 to 10. Wind northwest around 12 mph.

.Sunday… Mostly sunny. High 20 to 25.

.Sunday Night… Partly cloudy. Low zero to 5 above.

.Monday… Mostly cloudy. Light snow or flurries possible. High 22 to 28. Chance of snow 20%.

.Monday Night… Mostly cloudy. Light snow or flurries possible. Low 10 to 15. Chance of snow 20%.

5 PM Thompson Hill Observation:

Current Temperature: 24.3 degrees

Dewpoint: 11 degrees

Humidity: 57%

Wind: W at 4 mph G 7 mph

Max Temperature Today: 25.7 degrees

Max Humidity Today: 87%

Min Temperature Today: 17.3 degrees

Min Humidity Today: 56%

Normal High Temperature Tomorrow 24 degrees

Normal Low Temperature Tomorrow 5 degrees


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