Snowfall Totals and Storm Updates

Update 11:00AM-  As we head into the afternoon hours, you could see a few light snow showers pass through.  Totals so far are ranging from 4 inches up to 8 inches.  Winds are really starting to pick up for this afternoon causing our temperartures to feel much colder.   I want to thank everyone for sending in snowfall totals and pictures. 

10:20 AM- MKX: 4 Ne East Troy [Walworth Co, WI] co-op observer reports SNOW of M4.6 INCH at 08:00 AM CST —

10:20 AM- MKX: 4 Nw Elkhorn [Walworth Co, WI] co-op observer reports SNOW of M4.0 INCH at 08:00 AM CST —

10:19 AM- MKX: Monroe [Green Co, WI] co-op observer reports SNOW of M5.0 INCH at 08:00 AM CST —

10:18 AM- MKX: Brodhead [Green Co, WI] co-op observer reports SNOW of M4.8 INCH at 08:00 AM CST —

9:41 AM- LOT: E Harvard [Mchenry Co, IL] cocorahs reports SNOW of M5.6 INCH at 09:30 AM CST —

9:30 AM- DVN: 4 Nnw Lanark [Carroll Co, IL] trained spotter reports SNOW of M5.1 INCH at 09:30 AM CST — storm total

9:21 AM- MKX: Janesville [Rock Co, WI] trained spotter reports HEAVY SNOW of M6.0 INCH at 09:10 AM CST —

9:20 AM- DVN: 3 Se Galena [Jo Daviess Co, IL] co-op observer reports SNOW of M5.5 INCH at 04:42 AM CST — storm total.

9:20 AM- DVN: W Elizabeth [Jo Daviess Co, IL] co-op observer reports SNOW of M5.8 INCH at 06:30 AM CST — storm total.

9:20 AM- DVN: 3 N Stockton [Jo Daviess Co, IL] co-op observer reports SNOW of M5.0 INCH at 07:00 AM CST — storm total.

9:15 AM- DVN: 2 Ene Freeport [Stephenson Co, IL] co-op observer reports SNOW of M6.0 INCH at 07:00 AM CST — storm total.

9:10 AM- DVN: Wnw Mount Carroll [Carroll Co, IL] co-op observer reports SNOW of M6.8 INCH at 08:10 AM CST — storm total.

9:10 AM- DVN: 1 Wnw Morrison [Whiteside Co, IL] trained spotter reports SNOW of M4.0 INCH at 08:35 AM CST —

8:57 AM- LOT: Woodstock [Mchenry Co, IL] trained spotter reports SNOW of M8.3 INCH at 07:00 AM CST —

8:52 AM- DVN: Freeport [Stephenson Co, IL] trained spotter reports HEAVY SNOW of M7.5 INCH at 08:16 AM CST — relayed by wrex tv

8:30 Update:  The bulk of the snow is off to our east across Lake Michigan.  We will continue with a few light snow showers this morning and gradually seeing only a few flurries later this afternoon.  Winds will pick up out of the northwest up to 30 mph.  This will cause some of the snow to blow and drift across roadways and cause our temperatures to feel like the upper teens and lower 20s.

7:36 AM- MKX: Afton [Rock Co, WI] co-op observer reports SNOW of M6.0 INCH at 07:26 AM CST — wwtp observation

7:28 AM- LOT: Oregon [Ogle Co, IL] broadcast media reports SNOW of M5.5 INCH at 07:16 AM CST — relayed by media

7:27 AM- LOT: 5 S Pecatonica [Winnebago Co, IL] broadcast media reports SNOW of M6.5 INCH at 07:22 AM CST — snow measured in seward

7:26 AM nwsbot: MKX: Milton [Rock Co, WI] public reports SNOW of M5.2 INCH at 07:24 AM CST —

7:07 AM- LOT: Franklin Grove [Lee Co, IL] broadcast media reports SNOW of M4.0 INCH at 06:44 AM CST —

7:05 AM- LOT: Rochelle [Ogle Co, IL] broadcast media reports SNOW of M5.0 INCH at 06:44 AM CST —
 
7:03 AM-
LOT: Winnebago [Winnebago Co, IL] broadcast media reports SNOW of M5.0 INCH at 06:44 AM CST —

7:02 AM- LOT: Huntley [Mchenry Co, IL] trained spotter reports SNOW of E5.0 INCH at 06:52 AM CST —

7:00 AM- LOT: Forreston [Ogle Co, IL] broadcast media reports SNOW of E6.5 INCH at 06:54 AM CST — relayed by media

6:30 update:  Snowfall rates are slowly calming down, especially out west into Jo Daviess and Carroll County.  Gradually throughout the morning hours, the snow will come to a complete stop. We already have totals coming in with most in the 4-6 inch range.  The Winter Weather Advisory has also expired for Jo Daviess, Carroll and Stephenson counties with Whiteside expiring at 7:00am and everyone else at 9:00am.  Winds will start to pick up later today up to 30 mph, causing some snow to blow and drift.  North/South bond roads may form snowdrifts. 

 

6:31 AM- DVN: 3 Nne Stockton [Jo Daviess Co, IL] co-op observer reports SNOW of M5.0 INCH at 06:21 AM CST — storm total.

6:31 AM- DVN: 2 Wnw Freeport [Stephenson Co, IL] trained spotter reports SNOW of M6.0 INCH at 06:23 AM CST — storm total. since 9 pm yesterday 4.4 inches.

6:27 AM- LOT: Rockford Airport [Winnebago Co, IL] asos reports SNOW of M4.8 INCH at 06:00 AM CST — storm total so far

6:23 AM- LOT: Rockford [Winnebago Co, IL] broadcast media reports SNOW of M5.5 INCH at 06:16 AM CST — at wrex

6:22 AM- LOT: Capron [Boone Co, IL] trained spotter reports SNOW of M4.9 INCH at 06:00 AM CST —

6:22 AM- LOT: Mchenry [Mchenry Co, IL] cocorahs reports SNOW of M7.3 INCH at 06:00 AM CST — 7 on ground

6:17 AM- MKX: 2 Se Whitewater [Walworth Co, WI] public reports SNOW of M5.0 INCH at 03:31 AM CST —

6:15 AM- LOT: Roscoe [Winnebago Co, IL] broadcast media reports SNOW of M5.5 INCH at 05:53 AM CST — relayed by wrex media

6:15 AM- LOT: Stillman Valley [Ogle Co, IL] broadcast media reports SNOW of E5.0 INCH at 05:53 AM CST — relayed by wrex media

6:15 AM- LOT: Rockton [Winnebago Co, IL] broadcast media reports SNOW of M6.0 INCH at 06:04 AM CST –relayed by wrex media

6:09 AM- LOT: Capron [Boone Co, IL] broadcast media reports SNOW of E5.0 INCH at 06:08 AM CST —

5:47 AM- MKX: Williams Bay [Walworth Co, WI] public reports SNOW of M5.0 INCH at 03:31 AM CST —

5:34 AM- LOT: Woodstock [Mchenry Co, IL] co-op observer reports HEAVY SNOW of M6.0 INCH at 05:30 AM CST —

5:30AM Update- Winter Weather Advisory is in effect for Jo Daviess, Stephenson, Carroll, Whiteside Counties until 6AM, while Green, Rock, Walworth (WI), Winnebago, Boone, Lee, Ogle, and DeKalb Counties is in effect until 9AM.

Light to moderate snow will continue through the early morning hours and then slowly taper off by mid morning.  Conditions this morning are hazardous with snow covered roadways and poor visibility.  Please make sure you give yourself plenty of time to head to your morning destination.  By this afternoon, everything should be quiet, you might see a few flurries, but overall we’ll have mostly cloudy skies and highs in the lower 30s.  Winds will also be out of the northwest up to 30 mph.  Overnight, our cloud cover will start to push off to the east giving us partly cloudy skies and temperatures in the mid and upper teens. 

(4:06:37 AM) nwsbot: LOT: Davis Junction [Ogle Co, IL] public reports SNOW of M4.0 INCH at 03:50 AM CST — relayed by wrex tv.

 12:39 AM -DVN: 2 Ese Ridott [Stephenson Co, IL] trained spotter reports SNOW of M2.3 INCH at 12:38 AM CST — total so far

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Posted under snow, weather, winter storm, winter weather

This post was written by qni_it on February 24, 2012

Snow will continue all night long

Low pressure continues to strengthen as it tracks through Central Illinois overnight. Snowfall will be moderate to heavy at times in Northern Illinois and Southern Wisconsin.

Live Exactrack Doppler radar is showing some 2″+ per hour snows in Eastern and Central Iowa. This will translate eastward overnight. 3-6″ is still likely with isolated amounts of 6-8″ where thundersnows occur. -ES

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Posted under snow

This post was written by qni_it on February 23, 2012

Snowfall Reports and Updates

Picture taken by Theresa Criss-Amos

(10:17:23 PM) nwsbot: MKX: Janesville Airport [Rock Co, WI] trained spotter reports SNOW of M1.8 INCH at 10:15 PM CST —
(10:03:49 PM) nwsbot: DVN: Freeport [Stephenson Co, IL] trained spotter reports SNOW of M2.7 INCH at 10:01 PM CST — a snow and sleet mix was occurring at the time of the report.
(10:01:25 PM) nwsbot: DVN: 6 Sse Elmoville [Carroll Co, IL] trained spotter reports SNOW of E1.0 INCH at 10:00 PM CST — observation at 9 pm.
(9:35:17 PM) nwsbot: LOT: Poplar Grove [Boone Co, IL] public reports LIGHTNING at 09:24 PM CST — report of thundersnow near poplar grove. report forwarded by wrex tv.
(9:34:35 PM) nwsbot: DVN: 3 N Stockton [Jo Daviess Co, IL] co-op observer reports SNOW of M1.5 INCH at 09:00 PM CST — so far. 24 hour ob. snow depth 2 inches. stoi2 coop.

9:30 UPDATE – Snow continues to move across the region and will do so all night long. Periods of thundersnow will enhance snowfall rates, possibly nearing 2 inches per hour. Even though we’ve received generally 1-2 inches, this storm will continue to produce snow straight through the night. 3-6 inches are still likely.

(9:10:47 PM) nwsbot: MKX: Whitewater [Walworth Co, WI] public reports SNOW of E1.0 INCH at 09:04 PM CST —

(8:58:51 PM) nwsbot: DVN: 2 Wnw Freeport [Stephenson Co, IL] trained spotter reports SNOW of M1.6 INCH at 08:55 PM CST — updated. total so far. st47.

(8:53:06 PM) nwsbot: LOT: Capron [Boone Co, IL] public reports SNOW of M1.3 INCH at 08:49 PM CST — storm total so far. report relayed by broadcast media.

(8:48:37 PM) nwsbot: DVN: 1 Ne Freeport [Stephenson Co, IL] public reports SNOW of E1.5 INCH at 08:47 PM CST — viewer report provided by wrex tv.

(8:44:21 PM) nwsbot: MKX: Janesville [Rock Co, WI] public reports SNOW of E0.5 INCH at 08:35 PM CST

(8:41:14 PM) nwsbot: MKX: Monroe [Green Co, WI] law enforcement reports SNOW of E2.5 INCH at 08:38 PM CST — very poor road conditions.

(8:34:43 PM) nwsbot: LOT: 2 N Winnebago [Winnebago Co, IL] broadcast media reports SNOW of M1.9 INCH at 08:34 PM CST — storm total so far from wrex-tv. the snow is mixing with graupel as of 830 pm.

(8:14:56 PM) nwsbot: DVN: 4 Nnw Lanark [Carroll Co, IL] trained spotter reports SNOW of M1.6 INCH at 08:10 PM CST — so far. very light snow now. ca43.

(8:05:03 PM) nwsbot: LOT: 1 Ne Cary [Mchenry Co, IL] cocorahs reports SNOW of M2.1 INCH at 07:50 PM CST — storm total so far. still snowing steadily.

(7:43:37 PM) nwsbot: DVN: 4 W Mount Carroll [Carroll Co, IL] trained spotter reports SNOW of M2.0 INCH at 07:40 PM CST — so far. very slushy. temperature just above freezing.

(7:18:43 PM) nwsbot: DVN: 1 W Freeport [Stephenson Co, IL] trained spotter reports SNOW of M1.8 INCH at 07:09 PM CST — 7 hour snowfall. snow depth is 2 inches. slushy and snow covered roads. 35 degrees.

(6:39:56 PM) nwsbot: LOT: Huntley [Mchenry Co, IL] cocorahs reports SNOW of E1.5 INCH at 06:30 PM CST — storm total so far.

(6:36:36 PM) nwsbot: LOT: Forreston [Ogle Co, IL] broadcast media reports SNOW of M2.2 INCH at 06:23 PM CST

(3:59:36 PM) nwsbot: LOT: Huntley [Mchenry Co, IL] trained spotter reports SNOW of M0.3 INCH at 03:47 PM CST — large clumps of heavy snow that began at 305 pm. still snowing heavily.

(5:42:05 PM) nwsbot: DVN: 2 Wnw Freeport [Stephenson Co, IL] trained spotter reports SNOW of M1.2 INCH at 05:40 PM CST — so far. light snow now.

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Posted under snow, weather, winter storm, winter weather

This post was written by qni_it on February 23, 2012

Heavy snow drifting northward through Northern Illinois

Here is a look at Live Exactrack Doppler Radar at 3:45pm. This is a display from the National Weather Service’s brand new Dual Pol Radar! Instead of using temperatures to denote where the rain and snow are, this is looking at the shape of the drops or snowflakes. Because they are shaped differently, the radar can plot them in different colors!

Seen here is the Correlation Coefficient which shows us the uniformity of the precipitation. Pink and yellow areas are likely rain where areas of snow are denoted in red. The band of heavy, wet snow is drifting slowly northward right now. -ES

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Posted under snow, weather geek, winter storm

This post was written by qni_it on February 23, 2012

Winter Weather Advisory: The Latest Information

Huge snowflakes falling in Polo. Thanks to Mark Pellini!

5:00pm Update – Snow is falling across a good portion of the 13 WREX viewing area.  The may still be a rain/snow mix from near Dixon to DeKalb, as well as a patch near Beloit and Janesville.  Visibilities are being reduced greatly:  under half a mile in Freeport and Galena.  We have no snowfall reports to relay to you just yet.

3:45pm Update – Green County in Wisconsin is now under a Winter Weather Advisory.  Green, Rock, and Walworth counties will remain under this advisory until 9:00am Friday morning.

3:00pm – A Winter Weather Advisory is still in effect for all of northern Illinois, including Rockford, until 6:00am Friday.  This Winter Weather Advisory is also in effect for Rock and Walworth counties in Wisconsin until 6:00am Friday.  A band of heavy precipitation has affected areas south of Rockford already, where rain has already changed to snow in some locations, especially in Carroll, Ogle, and DeKalb counties.  The leading edge of precipitation is on Rockford’s southern doorstep as of 3:00pm.  Expect a rain/snow mix to start soon in Jo Daviess, Stephenson, Winnebago, Boone, and McHenry counties.  As the sun sets (even though we can’t see it), temperatures will cool and precipitation will change over to all snow.  This will continue into the overnight hours.  Total accumulations across northern Illinois will still be generally in the 3 to 6 inch range, with locally higher amounts if thundersnow occurs.  Southern Wisconsin will see totals on the lower side of that range.

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Posted under snow, weather, winter storm, winter weather

This post was written by qni_it on February 23, 2012

Evening/Overnight Snow Accumulation Likely

Here is the latest winter weather information for later this afternoon and into the evening/overnight hours.

 The strong winter storm will slide to our south later this evening and through the overnight hours.  Temperatures this afternoon will reach into the mid 30s causing our precipitation to start as rain.  However, as we head into the evening hours, 5-6pm, our temperatures will start to fall creating a wintry mix.  The complete change over to all snow will happen later tonight around 7-9pm.  This snow will be a wet/heavy snowfall, which will create slushy roadways and will be hard to gain traction.  Driving conditions will be difficult overnight through the early morning hours of Friday.

 This winter storm also has the dynamics to produce thunder and lightning.  If this occurs, the snowfall rate has the potential of being up to 2 inches per hour.  The viewing area will likely see 3-6 inches with isolated areas receiving more if you expereince thundersnow.

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Posted under snow, winter storm, winter weather

This post was written by qni_it on February 23, 2012

UPDATE: Models shift and delay Thursday’s snow

The wrench was thrown directly at our forecast this evening as the evening models came in with a very different result for Northern Illinois Thursday.

First, the storm system has been shifted south by about 75 miles! That is amazing considering the center of the system is in Montana right now. That puts the bullseye of snow in Eastern Iowa and Northern Illinois (epicentered around Rochelle, IL). Not only did the system shift south, it is coming in later…by about 6 hours. This means that the morning will be snow-free with developing snow in the afternoon hours. With incredible ascent in the atmosphere as the low passes by Thursday evening, thundersnow is possible for Northern Illinois. It is impossible to pinpoint where this will occur, but if it happens watch for snowfall rates 2-3″ per hour! That means that some areas could exceed 6 inches. The best shot at this happening will be along I-88. Still, minute changes in the track could mean this is over Rockford or even further south.

We’ve learned with previous storms that sudden model corrections from run to run can be over-reactive…meaning where the models shifted this south 75 miles, it may come back north 35 miles in the next run. We definitely need to watch this very closely. Our confidence is building however we’ll have some very terrible driving conditions between 6pm and midnight.

We’ll post updates on the blog first thing in the morning. -ES

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Posted under winter storm

This post was written by qni_it on February 22, 2012

The Latest Info on Tomorrow’s Potential Winter Storm

The National Weather Service offices in Milwaukee and Davenport have a Winter Storm Watch posted for the following counties:  Green, Rock & Walworth in Wisconsin and Jo Daviess, Stephenson, Carroll, & Whiteside in Illinois for Thursday.  Tonight will remain mostly cloudy with a low near 30.

It looks as though this system will begin to impact the Rockford region during the mid morning and early afternoon.  The precipitation type for the northern half of the region looks to remain all snow as of right now.  A rain/snow mix is likely along and south of the I-88 corridor.  After looking though and analyzing numerous weather models, it looks like this event will have a significant difference in total snow accumulations across the region.  An area of 3 to 6 inches is expected across the northern tier of Illinois counties from Galena through Freeport, Rockford, Belvidere, and Marengo.  Just across the Wisconsin border is the best chance for seeing totals closer to 6 inches and maybe a little more.  This includes Monroe, Brodhead, Beloit, Janesville, Delavan, and Lake Geneva.  Areas along and north of the I-88 corridor including Savanna, Polo, Rochelle, DeKalb, and Sycamore could see 1 to 3 inches.  Little to no snow accumulation is expected near Dixon and other areas south of Interstate 88.

We will keep you up to date on the latest, as the weather models are still evolving this system.  The storm track and accumulations may need to be altered.  Stay tuned to the Weather Blog and 13 News at 5, 6, and 10pm for the latest.  -JA

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Posted under snow, weather, winter weather

This post was written by qni_it on February 22, 2012

Winter Storm Watch for Thursday

As of 12 noon, a Winter Storm Watch has been issued for all of southern Wisconsin, western Illinois, and eastern Iowa for Thursday.  The local counties of Green, Rock, & Walworth in WI and Jo Daviess, Stephenson, Carroll, & Whiteside in IL are included in this watch.  Even though it appears the strength of this system is amplifying, there is still some uncertainty on the track.  Some recent model runs have indicated this system may move further south.  If that’s the case, the threat for significant snowfall will occur right over our area.  However, other models are placing the bulk of the precipitation well to our north in central Wisconsin.  Total accumulation depends on the exact track of this system.  Temperatures are going to be tricky as well.  The southern track favors colder temperatures in the 30s and more snow while the northern track may allow temperatures to reach near 40° tomorrow afternoon, thus introducing a rain/snow mix.

For the short term, we can expect isolated rain showers this evening before it switches to a rain/snow mix around midnight.  The precipitation could change over to all snow by the morning commute and last through Thursday evening.  Again, I must emphasize that the track of this system is still uncertain.  As the afternoon and evening weather models come in, we will keep you up to date regarding this potential for significant snow on Thursday, including more precise timing and total accumulations.  Our team of three meteorologists will stay on top of this situation through the Weather Blog and on 13 News at 5, 6, and 10.  -JA

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Posted under snow, weather, winter weather

This post was written by qni_it on February 22, 2012

Another Slushy Morning Commute

Another round of light/moderate snow fell this morning, mostly across I-88, and we’re not done with the light snow yet. Another wet system will come in overnight and into tomorrow morning’s commute.  Any snowfall accumulation, like last time (Tuesday morning), will melt by Thursday afternoon with temperatures in the lower 40s.  Total accumulation will vary between 1-2 inches with higher amounts as you head into southern Wisconsin. This will cause slushy and slick roadways, so allow extra time as you head out Thursday morning.  Once this system passes, our streak of 40-degree temperatures will come to an end as high temperatures for Friday and Saturday will end up in the lower and mid 30s.

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Posted under snow, weather, winter weather

This post was written by qni_it on February 22, 2012