Alert archive / North Dakota / Wind Advisories in 2011

Wind Advisory 6, NWS Grand Forks, ND

May 1, 20118 counties in North Dakota

NWS Grand Forks, ND issued this wind advisory at May 1, 2011, 9:38 AM CDT for 8 counties in North Dakota. It took effect at May 1, 2011, 1:00 PM CDT. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
May 1, 2011, 9:38 AM CDT (14:38 UTC)
In effect from
May 1, 2011, 1:00 PM CDT
Expired
May 1, 2011, 7:00 PM CDT
In force
6 hr
Issued by
NWS Grand Forks, ND

Counties Benson County, ND, Cavalier County, ND, Eddy County, ND, Griggs County, ND, Nelson County, ND, Ramsey County, ND, Towner County, ND, Walsh County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 119 km from the middle of the area, began a volume at 14:40 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, 2.6 hours before the alert went out and 220 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 2011-05-01Temperature 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 2011-05-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 177 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
1188 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
177 m²/s²
0-3 km storm-relative helicity
173 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.

950 
WWUS73 KFGF 011438
NPWFGF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GRAND FORKS ND
938 AM CDT SUN MAY 1 2011

...STRONG WINDS WILL IMPACT THE REGION TODAY...

.A STRONG LOW PRESSURE SYSTEM EXITING THE REGION WILL CONTINUE TO
PRODUCE STRONG WINDS ACROSS THE REGION. NORTHWESTERLY WINDS FROM
25 TO 35 MPH...WITH GUSTS TO AROUND 40 MPH ARE EXPECTED. THESE
NORTHWEST WINDS WILL GRADUALLY SUBSIDE BY SUNDAY EVENING.

AS HAS BEEN THE CASE THE PAST FEW WEEKS...THE GUSTY WINDS MAY
GENERATE WAVES FROM 1 TO 3 FEET ON FLOODED FIELDS AND LARGE
LAKES. THERE HAVE BEEN REPORTS OF DEBRIS ON ROADS NEAR DEVILS
LAKE. THE WAVES MAY CAUSE A PROLONGED PERIOD OF EROSION ON
FLOODED ROADWAYS...CLAY LEVEES AND SANDBAG DIKES. IN ADDITION...
TEMPERATURES BELOW FREEZING WILL CAUSE SLICK SPOTS AS THE WINDS PUSH
WATER ONTO ROADWAYS AND THE WATER FREEZES.

NDZ006-007-014-015-024-026-028-054-020000-
/O.CAN.KFGF.WI.Y.0005.110501T1500Z-110501T1800Z/
/O.NEW.KFGF.WI.Y.0006.110501T1800Z-110502T0000Z/
TOWNER-CAVALIER-BENSON-RAMSEY-EDDY-NELSON-GRIGGS-WESTERN WALSH-
INCLUDING THE CITIES OF...CANDO...LANGDON...MADDOCK...LEEDS...
DEVILS LAKE...NEW ROCKFORD...LAKOTA...COOPERSTOWN...ADAMS
938 AM CDT SUN MAY 1 2011

...WIND ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 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 7 PM
CDT THIS EVENING. 

* STRONG WINDS WILL CONTINUE TODAY.

* NORTHWEST WINDS OF 25 TO 35 MPH...WITH GUSTS TO AROUND 40 MPH
  ARE EXPECTED TODAY.

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

* DEBRIS HAS BEEN REPORTED ON ROADS NEAR DEVILS LAKE...FORCING THE
  CLOSURE OF HIGHWAY 57 FROM THE CASINO TO THE JUNCTION OF ND
  HIGHWAY 20.

* WINDS WILL DECREASE SUNDAY NIGHT TO 10 TO 20 MPH.

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.

&&

$$

MNZ001>004-007-027-029>031-040-NDZ008-016-027-029-030-038-039-049-
052-053-020000-
/O.EXT.KFGF.WI.Y.0005.000000T0000Z-110502T0000Z/
WEST POLK-NORMAN-CLAY-KITTSON-WEST MARSHALL-WEST BECKER-WILKIN-
WEST OTTER TAIL-EAST OTTER TAIL-GRANT-PEMBINA-EASTERN WALSH-
GRAND FORKS-STEELE-TRAILL-BARNES-CASS-RANSOM-SARGENT-RICHLAND-
INCLUDING THE CITIES OF...CROOKSTON...EAST GRAND FORKS...
HALSTAD...MOORHEAD...HALLOCK...WARREN...DETROIT LAKES...
BRECKENRIDGE...FERGUS FALLS...NEW YORK MILLS...ELBOW LAKE...
CAVALIER...GRAFTON...GRAND FORKS...FINLEY...MAYVILLE...
VALLEY CITY...FARGO...LISBON...GWINNER...WAHPETON
938 AM CDT SUN MAY 1 2011

...WIND ADVISORY NOW IN EFFECT UNTIL 7 PM CDT THIS EVENING...

THE WIND ADVISORY IS NOW IN EFFECT UNTIL 7 PM CDT THIS EVENING. 

* STRONG NORTHWEST WINDS WILL CONTINUE TODAY ACROSS THE VALLEY
  REGION.

* NORTHWEST WINDS OF 25 TO 35 MPH...WITH GUSTS TO AROUND 40 MPH
  ARE FORECAST.

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

* WINDS WILL DECREASE SUNDAY NIGHT TO 10 TO 20 MPH.

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
1 follow-up statement
317 
WWUS73 KFGF 020003
NPWFGF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GRAND FORKS ND
703 PM CDT SUN MAY 1 2011

...WINDS DIMINISHING THIS EVENING...

.LOW PRESSURE OVER ONTARIO WILL CONTINUE TO MOVE EASTWARD THIS
EVENING...WHICH WILL ALLOW THE PRESSURE GRADIENT OVER THE NORTHERN
PLAINS TO WEAKEN. WINDS WILL DECREASE THROUGH THE OVERNIGHT HOURS.

MNZ001>004-007-027-029>031-040-NDZ008-016-027-029-030-038-039-049-
052-053-020115-
/O.EXP.KFGF.WI.Y.0005.000000T0000Z-110502T0000Z/
WEST POLK-NORMAN-CLAY-KITTSON-WEST MARSHALL-WEST BECKER-WILKIN-
WEST OTTER TAIL-EAST OTTER TAIL-GRANT-PEMBINA-EASTERN WALSH-
GRAND FORKS-STEELE-TRAILL-BARNES-CASS-RANSOM-SARGENT-RICHLAND-
INCLUDING THE CITIES OF...CROOKSTON...EAST GRAND FORKS...
HALSTAD...MOORHEAD...HALLOCK...WARREN...DETROIT LAKES...
BRECKENRIDGE...FERGUS FALLS...NEW YORK MILLS...ELBOW LAKE...
CAVALIER...GRAFTON...GRAND FORKS...FINLEY...MAYVILLE...
VALLEY CITY...FARGO...LISBON...GWINNER...WAHPETON
703 PM CDT SUN MAY 1 2011

...WIND ADVISORY WILL EXPIRE AT 7 PM CDT THIS EVENING...

THE WIND ADVISORY WILL EXPIRE AT 7 PM CDT THIS EVENING. 

WINDS WILL CONTINUE TO DIMINISH INTO THE 10 TO 20 MPH RANGE
OVERNIGHT.

$$

NDZ006-007-014-015-024-026-028-054-020115-
/O.EXP.KFGF.WI.Y.0006.000000T0000Z-110502T0000Z/
TOWNER-CAVALIER-BENSON-RAMSEY-EDDY-NELSON-GRIGGS-WESTERN WALSH-
INCLUDING THE CITIES OF...CANDO...LANGDON...MADDOCK...LEEDS...
DEVILS LAKE...NEW ROCKFORD...LAKOTA...COOPERSTOWN...ADAMS
703 PM CDT SUN MAY 1 2011

...WIND ADVISORY WILL EXPIRE AT 7 PM CDT THIS EVENING...

THE WIND ADVISORY WILL EXPIRE AT 7 PM CDT THIS EVENING. 

NORTHWEST WINDS AT 15 TO 25 MPH WITH GUSTS TO 30 MPH WILL CONTINUE
THROUGH THE EVENING BEFORE DROPPING INTO THE 10 TO 20 MPH RANGE
AFTER MIDNIGHT.

$$

JR

Nearby

Wind Advisories in North Dakota, 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.