Alert archive / Wisconsin / Flash Flood Watches in 2011

Flash Flood Watch 1, NWS Duluth, MN

June 18, 20114 counties in Minnesota; 8 counties in Wisconsin

NWS Duluth, MN issued this flash flood watch at Jun 18, 2011, 3:20 PM CDT for 4 counties in Minnesota; 8 counties in Wisconsin. It took effect at Jun 18, 2011, 4:00 PM CDT. It was in force for 18 hr.

The area

The counties it named.

The facts

Issued
Jun 18, 2011, 3:20 PM CDT (20:20 UTC)
In effect from
Jun 18, 2011, 4:00 PM CDT
Expired
Jun 19, 2011, 9:33 AM CDT
In force
18 hr
Issued by
NWS Duluth, MN
Flood severity
None

Counties Aitkin County, MN, Carlton County, MN, Pine County, MN, Saint Louis County, MN, Ashland County, WI, Bayfield County, WI, Burnett County, WI, Douglas County, WI, Iron County, WI, Price County, WI, Sawyer County, WI, Washburn County, WI

The radar

The Duluth radar (KDLH), 65 km from the middle of the area, began a volume at 20:21 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What forecasters said that day

The local office's own words before this flash flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Duluth, MN wrote its last area forecast discussion before this flash flood watch went out at Jun 18, 12:53 PM CDT, 2 hours 27 minutes earlier.

Area forecast discussion, Jun 18, 12:53 PM CDT, 2 hours 27 minutes before
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Hazardous weather outlook, Jun 18, 12:17 PM CDT, 3 hours 3 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE DULUTH MN
1217 PM AM CDT SAT JUN 18 2011

MNZ010>012-018>021-025-026-033>038-WIZ001>004-006>009-190930-
KOOCHICHING-NORTHERN ST. LOUIS-NORTHERN COOK/NORTHERN LAKE-
NORTHERN ITASCA-CENTRAL ST. LOUIS-SOUTHERN LAKE/LAKESHORE-
SOUTHERN COOK/LAKESHORE-NORTHERN CASS-SOUTHERN ITASCA-
SOUTHERN CASS-CROW WING-NORTHERN AITKIN-SOUTHERN AITKIN-
CARLTON/SOUTHERN ST. LOUIS-PINE-DOUGLAS-BAYFIELD-ASHLAND-IRON-
BURNETT-WASHBURN-SAWYER-PRICE-
1217 PM CDT SAT JUN 18 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST MINNESOTA AND
NORTHWEST WISCONSIN.

.DAY ONE...THIS AFTERNOON AND TONIGHT

THUNDERSTORM REDEVELOPMENT IS LIKELY LATER THIS AFTERNOON AND
CONTINUING THROUGH TONIGHT ACROSS PARTS OF CENTRAL AND NORTHERN
MINNESOTA AND MUCH OF NORTHWEST WISCONSIN. THE GREATEST COVERAGE AND
INTENSITY OF STORMS IS ANTICIPATED OVERNIGHT FROM EAST CENTRAL
MINNESOTA EASTWARD INTO WISCONSIN...AFFECTING AREAS FROM LAKE MILLE
LACS AND AITKIN... TO HINCKLEY... PINE CITY... GRANTSBURG... SPOONER
AND HAYWARD.  THE PRIMARY THREAT IS EXPECTED TO BE HEAVY RAINFALL
WITH SLOW-MOVING THUNDERSTORMS.  WHILE THE EXACT PLACEMENT OF THE
HEAVIEST RAINFALL IS VERY DIFFICULT TO DETERMINE... IT IS POSSIBLE
THAT SOME LOCATIONS MAY SEE ADDITIONAL RAINFALL AMOUNTS IN EXCESS OF
3 INCHES BY MIDDAY SUNDAY.  IN ADDITION... IT IS ALSO POSSIBLE THAT
A FEW OF THE STORMS COULD BE SEVERE... WITH HAIL UP TO QUARTER SIZE
AND LOCALLY DAMAGING WINDS.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

THERE WILL BE CHANCES FOR RAIN AND THUNDERSTORMS ACROSS AT LEAST
PART OF THE NORTHLAND THROUGH WEDNESDAY NIGHT. IT IS TOO EARLY TO
DETERMINE IF THERE WILL BE A SEVERE WEATHER RISK. SOME OF THE
RAINFALL COULD BE HEAVY IN THAT SAME TIME FRAME.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND
OVERNIGHT.

LSZ121-140>148-190930-
BAYFIELD TO OAK POINT WI-GRAND PORTAGE TO GRAND MARAIS MN-
GRAND MARAIS TO TACONITE HARBOR MN-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
SILVER BAY HARBOR TO TWO HARBORS MN-TWO HARBORS TO DULUTH MN-
DULUTH MN TO PORT WING WI-PORT WING TO SAND ISLAND WI-
SAND ISLAND TO BAYFIELD WI-OAK POINT TO SAXON HARBOR WI-
1217 PM CDT SAT JUN 18 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE NEARSHORE WATERS OF
WESTERN LAKE SUPERIOR.

.DAY ONE...THIS AFTERNOON AND TONIGHT

GUSTY EAST TO NORTHEAST WINDS FROM 15 TO 25 KNOTS AND WAVES FROM 3
TO 6 FEET WILL CONTRIBUTE TO HAZARDOUS CONDITIONS FOR SMALL CRAFT
THROUGH LATE TONIGHT. A SMALL CRAFT ADVISORY IS IN EFFECT. SEE THE
LATEST MARINE WEATHER MESSAGE FOR FURTHER DETAILS.

THERE IS ALSO A CHANCE OF THUNDERSTORMS THROUGH TONIGHT.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

AN ACTIVE WEATHER PATTERN WILL BRING MULTIPLE ROUNDS OF
THUNDERSTORMS THROUGH MID WEEK. GUSTY NORTHEAST WINDS ARE ALSO
LIKELY TO PERSIST IN THE SAME TIME FRAME...WHICH MAY LEAD TO PERIODS
OF HAZARDOUS CONDITIONS FOR SMALL CRAFT.

 MILLER

MORE INFORMATION MAY BE OBTAINED AT THE FOLLOWING WEB ADDRESS:
HTTP://WWW.WEATHER.GOV/DULUTH (ALL LOWER CASE)

The office that day

Everything else NWS Duluth, MN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 17, 11:54 PM CDTSpecial Weather StatementDLHAitkin36 min
Jun 18, 1:08 AM CDTSpecial Weather StatementDLHAitkin27 min
Jun 18, 1:37 AM CDTSpecial Weather StatementDLHAitkin23 min
Jun 17, 10:59 PM CDTSpecial Weather StatementDLHDouglas61 min
Jun 18, 12:39 AM CDTSpecial Weather StatementDLHBurnett36 min
Jun 18, 4:06 AM CDTSpecial Weather StatementDLHBurnett, Washburn54 min
Jun 18, 4:58 PM CDTSpecial Weather StatementDLHPrice62 min

Nearby

Flash Flood Watches in Wisconsin, 2011Flash Flood Watches in Minnesota, 2011Every flash flood watch in 2011

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.