Alert archive / North Dakota / Wind Advisories in 2011

Wind Advisory 4, NWS Grand Forks, ND

April 29, 201117 counties in North Dakota; 12 counties in Minnesota

NWS Grand Forks, ND issued this wind advisory at Apr 29, 2011, 9:24 AM CDT for 17 counties in North Dakota; 12 counties in Minnesota. It took effect at Apr 29, 2011, 1:00 PM CDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Apr 29, 2011, 9:24 AM CDT (14:24 UTC)
In effect from
Apr 29, 2011, 1:00 PM CDT
Expired
Apr 29, 2011, 10:00 PM CDT
In force
9 hr
Issued by
NWS Grand Forks, ND
All 29 counties

Becker County, MN, Clay County, MN, Grant County, MN, Kittson County, MN, Mahnomen County, MN, Marshall County, MN, Norman County, MN, Otter Tail County, MN, Pennington County, MN, Polk County, MN, Red Lake County, MN, Wilkin County, MN, Barnes County, ND, Benson County, ND, Cass County, ND, Cavalier County, ND, Eddy County, ND, Grand Forks County, ND, Griggs County, ND, Nelson County, ND, Pembina County, ND, Ramsey County, ND, Ransom County, ND, Richland County, ND, Sargent County, ND, Steele County, ND, Towner County, ND, Traill County, ND, Walsh County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 5 km from the middle of the area, began a volume at 14:20 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.

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 12:00Z, 2.4 hours before the alert went out and 272 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Bismarck Municip, ND at 12:00Z on 2011-04-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Bismarck Municip, ND at 12:00Z on 2011-04-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 275 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2627 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
275 m²/s²
0-3 km storm-relative helicity
304 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

822 
WWUS73 KFGF 291424
NPWFGF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GRAND FORKS ND
924 AM CDT FRI APR 29 2011

...STRONG SOUTHERLY WINDS EXPECTED THIS AFTERNOON AND EVENING...

.A DEVELOPING LOW PRESSURE SYSTEM WILL CAUSE STRONG SOUTHERLY
WINDS TO DEVELOP TODAY ALONG AND WEST OF THE RED RIVER VALLEY.
EXPECT WINDS TO GUST OVER 40 MPH AT TIMES THIS AFTERNOON...BEFORE
SLOWLY SUBSIDING LATER TONIGHT. WINDS WILL SHIFT TO THE NORTHWEST
ON SATURDAY AND SATURDAY NIGHT AND GUST OVER 40 MPH ONCE AGAIN IN
EASTERN NORTH DAKOTA. IN ADDITION...EXPECT 1 TO 3 FOOT WAVES NEAR
LARGER BODIES OF WATER AND SWOLLEN RIVERS...AND THIS MAY IMPACT
LEVEES AND DIKES.

MNZ001>004-007-008-013>015-022-027-029-030-040-NDZ006>008-014>016-
024-026>030-038-039-049-052>054-300300-
/O.NEW.KFGF.WI.Y.0004.110429T1800Z-110430T0300Z/
WEST POLK-NORMAN-CLAY-KITTSON-WEST MARSHALL-EAST MARSHALL-
PENNINGTON-RED LAKE-EAST POLK-MAHNOMEN-WEST BECKER-WILKIN-
WEST OTTER TAIL-GRANT-TOWNER-CAVALIER-PEMBINA-BENSON-RAMSEY-
EASTERN WALSH-EDDY-NELSON-GRAND FORKS-GRIGGS-STEELE-TRAILL-BARNES-
CASS-RANSOM-SARGENT-RICHLAND-WESTERN WALSH-
INCLUDING THE CITIES OF...CROOKSTON...EAST GRAND FORKS...
HALSTAD...MOORHEAD...HALLOCK...WARREN...NEWFOLDEN...
THIEF RIVER FALLS...RED LAKE FALLS...FOSSTON...MAHNOMEN...
DETROIT LAKES...BRECKENRIDGE...FERGUS FALLS...ELBOW LAKE...
CANDO...LANGDON...CAVALIER...MADDOCK...LEEDS...DEVILS LAKE...
GRAFTON...NEW ROCKFORD...LAKOTA...GRAND FORKS...COOPERSTOWN...
FINLEY...MAYVILLE...VALLEY CITY...FARGO...LISBON...GWINNER...
WAHPETON...ADAMS
924 AM CDT FRI APR 29 2011

...WIND ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 10 PM CDT
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 10 PM
CDT THIS EVENING. 

* SOUTHEAST WINDS WILL INCREASE BY AFTERNOON IN THE RED RIVER
  VALLEY AND DEVILS LAKE BASIN,

* EXPECT WIND SPEEDS FROM 30 TO 35 MPH WITH GUSTS UP TO 45 MPH LATE
  THIS AFTERNOON INTO THE EARLY EVENING.

* WAVES OF 1 TO 3 FEET MAY BE GENERATED NEAR LARGE BODIES OF WATER
  AND ON SWOLLEN RIVERS. THIS MAY CAUSE EROSION OF LEVEES AND
  DIKES.

* WINDS WILL SLOWLY DECREASE OVERNIGHT BEFORE SWITCHING TO THE
  NORTHWEST AND INCREASING ONCE AGAIN SATURDAY AFTERNOON AND
  SATURDAY NIGHT.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH OR FREQUENT
GUSTS TO 45 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING
DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA
CAUTION.

&&

$$
DK
2 follow-up statements
280 
WWUS73 KFGF 292015
NPWFGF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GRAND FORKS ND
315 PM CDT FRI APR 29 2011

...STRONG SOUTHERLY WINDS EXPECTED THROUGH THIS EVENING...

.A DEVELOPING LOW PRESSURE SYSTEM WILL CAUSE STRONG SOUTHERLY
WINDS TO CONTINUE ALONG AND WEST OF THE RED RIVER VALLEY THROUGH
THIS EVENING. EXPECT WINDS TO GUST OVER 45 MPH AT TIMES THIS
AFTERNOON...BEFORE SLOWLY SUBSIDING LATER TONIGHT. WINDS WILL
SHIFT TO THE NORTHWEST ON SATURDAY AND SATURDAY NIGHT AND GUST
OVER 40 MPH ONCE AGAIN IN EASTERN NORTH DAKOTA. IN
ADDITION...EXPECT 1 TO 2 FOOT WAVES NEAR LARGER BODIES OF WATER
AND SWOLLEN RIVERS...AND THIS MAY IMPACT LEVEES AND DIKES.

MNZ001>004-007-008-013>015-022-027-029-030-040-NDZ006>008-014>016-
024-026>030-038-039-049-052>054-300300-
/O.CON.KFGF.WI.Y.0004.000000T0000Z-110430T0300Z/
WEST POLK-NORMAN-CLAY-KITTSON-WEST MARSHALL-EAST MARSHALL-
PENNINGTON-RED LAKE-EAST POLK-MAHNOMEN-WEST BECKER-WILKIN-
WEST OTTER TAIL-GRANT-TOWNER-CAVALIER-PEMBINA-BENSON-RAMSEY-
EASTERN WALSH-EDDY-NELSON-GRAND FORKS-GRIGGS-STEELE-TRAILL-BARNES-
CASS-RANSOM-SARGENT-RICHLAND-WESTERN WALSH-
INCLUDING THE CITIES OF...CROOKSTON...EAST GRAND FORKS...
HALSTAD...MOORHEAD...HALLOCK...WARREN...NEWFOLDEN...
THIEF RIVER FALLS...RED LAKE FALLS...FOSSTON...MAHNOMEN...
DETROIT LAKES...BRECKENRIDGE...FERGUS FALLS...ELBOW LAKE...
CANDO...LANGDON...CAVALIER...MADDOCK...LEEDS...DEVILS LAKE...
GRAFTON...NEW ROCKFORD...LAKOTA...GRAND FORKS...COOPERSTOWN...
FINLEY...MAYVILLE...VALLEY CITY...FARGO...LISBON...GWINNER...
WAHPETON...ADAMS
315 PM CDT FRI APR 29 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT THIS EVENING. 

* STRONG SOUTHEAST WINDS WILL CONTINUE IN THE RED RIVER VALLEY AND
  DEVILS LAKE BASIN THROUGH THIS EVENING.

* EXPECT WIND SPEEDS FROM 30 TO 35 MPH WITH GUSTS UP TO 50 MPH
  LATE THIS AFTERNOON INTO THE EARLY EVENING. 

* WAVES OF 1 TO 3 FEET MAY BE GENERATED NEAR LARGE BODIES OF 
  WATER AND ON SWOLLEN RIVERS. THIS MAY CAUSE EROSION OF LEVEES 
  AND DIKES. 

* WINDS WILL SLOWLY DECREASE LATER TONIGHT BEFORE SWITCHING TO
  THE NORTHWEST AND INCREASING ONCE AGAIN SATURDAY AFTERNOON AND
  SATURDAY NIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH OR FREQUENT
GUSTS TO 45 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING
DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA
CAUTION.

&&

$$

DK
998 
WWUS73 KFGF 300251
NPWFGF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GRAND FORKS ND
951 PM CDT FRI APR 29 2011

...WINDS WILL SLOWLY DIMINISH TONIGHT...

.SOUTH TO SOUTHEAST WINDS WILL CONTINUE TO DECREASE TO BELOW
ADVISORY CRITERIA OVER THE NEXT SEVERAL HOURS. HENCE...THE WIND
ADVISORY WILL BE ALLOWED TO EXPIRE. 

MNZ001>004-007-008-013>015-022-027-029-030-040-NDZ006>008-014>016-
024-026>030-038-039-049-052>054-300400-
/O.EXP.KFGF.WI.Y.0004.000000T0000Z-110430T0300Z/
WEST POLK-NORMAN-CLAY-KITTSON-WEST MARSHALL-EAST MARSHALL-
PENNINGTON-RED LAKE-EAST POLK-MAHNOMEN-WEST BECKER-WILKIN-
WEST OTTER TAIL-GRANT-TOWNER-CAVALIER-PEMBINA-BENSON-RAMSEY-
EASTERN WALSH-EDDY-NELSON-GRAND FORKS-GRIGGS-STEELE-TRAILL-BARNES-
CASS-RANSOM-SARGENT-RICHLAND-WESTERN WALSH-
INCLUDING THE CITIES OF...CROOKSTON...EAST GRAND FORKS...
HALSTAD...MOORHEAD...HALLOCK...WARREN...NEWFOLDEN...
THIEF RIVER FALLS...RED LAKE FALLS...FOSSTON...MAHNOMEN...
DETROIT LAKES...BRECKENRIDGE...FERGUS FALLS...ELBOW LAKE...
CANDO...LANGDON...CAVALIER...MADDOCK...LEEDS...DEVILS LAKE...
GRAFTON...NEW ROCKFORD...LAKOTA...GRAND FORKS...COOPERSTOWN...
FINLEY...MAYVILLE...VALLEY CITY...FARGO...LISBON...GWINNER...
WAHPETON...ADAMS
951 PM CDT FRI APR 29 2011

...WIND ADVISORY WILL EXPIRE AT 10 PM CDT THIS EVENING...

THE WIND ADVISORY WILL EXPIRE AT 10 PM CDT THIS EVENING. 

SOUTH TO SOUTHEAST WINDS WILL CONTINUE TO DIMINISH TO BETWEEN 10
AND 20 MPH THROUGH THE OVERNIGHT. NORTHWEST WINDS ARE EXPECTED TO
INCREASE AGAIN ON SATURDAY AFTERNOON. 

$$

CH/JR

Nearby

Wind Advisories in North Dakota, 2011Wind Advisories in Minnesota, 2011Every wind advisory 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.