WINTER CYCLONE FORECAST ADVISORY (Aviation)

Information at a glance! Data valid as of: 1200 UTC.

Current Position
Movement
Minimum Pressure
Max Winds (kts)
Category
92.1W 42.0N
09026
1002 mb
26 knots
Sub-Winter storm




WCFA01

BULLETIN 
SUB-WINTER STORM CHARLIE FORECAST ADVISORY NUMBER  004                      CR003
MWS STORM CENTER STEVENS POINT/WHITING WI
0000 UTC SUN APR 15 2018

The following is a summary of the latest winter weather headlines:

* A blizzard warning is in effect for much of northwest into northcentral Iowa, much of southern and central Minnesota, and
far western Wisconsin until 7 pm CDT Sunday.
* A winter storm warning is in effect from far eastcentral and southeast Minnesota, across much of northern and central
Wisconsin, and all of upper and much of northern and central lower Michigan until 7 pm CDT, and in Michigan until 7 am EDT
Monday.
* A winter weather advisory is in effect from interior southwest, central, and northeast Iowa, into southern Wisconsin, and
far southern lower Michigan. Also, an advisory extends from northcentral into northeast Minnesota. All advisories are valid
until 7 pm CDT, and in lower Michigan until 9 am EDT Monday.

Winter storm center position located at laditude 92.1W 42.0N at 15/0000 UTC. Position accurate to within 50 nautical miles.

Present movement is 09026 or East at 25 knots.

Central pressure was 1002 millibars...or 29.59 inches. Center diameter...15 NM.

Top winds 26 knots with gusts to 45 knots.

25 KT...... 105NE 95SE 110SW 100NW.
30 KT...... 70NE 60SE 75SW 65NW.
35 KT...... 60NE 55SE 65SW 60NW.
40 KT...... 120NE 115SE 90SW 90NW.
45 KT...... 1350NE 125SE 100SW 900NW.
WINDS AND TURBULENCE AT DIFFERENT HEIGHTS CAN VARY GREATLY WITHIN EACH QUADRANT. RADII IN NAUTICAL MILES ARE THE LARGEST
RADII EXPECTED ANYWHERE WITHIN THAT QUADRANT. 

The following table is the forecast track positions, maximum sustained winds in knots, and any turbulence potential associated with
this system. All current storm positions are accurate to within 50 nautical miles of the center.

Request for 3-hourly aircraft reports within 250 nuatical miles of 92.1W and 42.4N.

Other information...

None.

Next advisory at 1200 UTC.

DATE/TIME and Forecast Position
Top Winds (Knots)
Turbulence Level
Other information
14/23Z 90.2W 42.8N
30 Knots
Moderate
Sub-Winter storm
15/06Z 98.1W 43.0N
35 Knots
Moderate-Severe
N/A
15/12Z 87.1W 43.3N
45 Knots
Severe
N/A
15/18Z 84.8W 43.6N
50 Knots
Severe
N/A
15/22Z 82.6W 44.7N
50 Knots
Severe
Nearing limit of coverage region
16/06Z 79.8W 45.1N
45 Knots
Severe
Out of coverage region












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