Alert archive / North Dakota / Wind Advisories in 2012

Wind Advisory 17, NWS Grand Forks, ND

September 1, 20129 counties in North Dakota

NWS Grand Forks, ND issued this wind advisory at Sep 1, 2012, 10:21 AM CDT for 9 counties in North Dakota. It took effect at Sep 1, 2012, 1:00 PM CDT. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Sep 1, 2012, 10:21 AM CDT (15:21 UTC)
In effect from
Sep 1, 2012, 1:00 PM CDT
Expired
Sep 1, 2012, 8:00 PM CDT
In force
7 hr
Issued by
NWS Grand Forks, ND

Counties Barnes County, ND, 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), 107 km from the middle of the area, began a volume at 15:25 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, 3.4 hours before the alert went out and 214 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 2012-09-01Temperature 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 2012-09-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 631 square meters per square second.193958Sfc1 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
1821 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
631 m²/s²
0-3 km storm-relative helicity
633 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.

071 
WWUS73 KFGF 011521
NPWFGF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GRAND FORKS ND
1021 AM CDT SAT SEP 1 2012

...STRONG SOUTHERLY WINDS TODAY...

.LOW PRESSURE WILL DEVELOP ACROSS EASTERN MONTANA TODAY...WITH
SOUTHERLY WINDS STRENGTHENING IN ADVANCE OF THIS SYSTEM ACROSS THE
NORTHERN PLAINS. WINDS WILL INCREASE TO 30 TO 35 MPH THIS AFTERNOON
ACROSS THE DEVILS LAKE BASIN...WITH GUSTS UP TO 45 MPH. ALTHOUGH
IT WILL REMAIN WINDY OVERNIGHT TONIGHT...SOME DECREASE IN WIND
SPEEDS IS EXPECTED BY EARLY EVENING.

NDZ006-007-014-015-024-026-028-038-054-020100-
/O.NEW.KFGF.WI.Y.0017.120901T1800Z-120902T0100Z/
TOWNER-CAVALIER-BENSON-RAMSEY-EDDY-NELSON-GRIGGS-BARNES-
WESTERN WALSH-
INCLUDING THE CITIES OF...CANDO...LANGDON...MADDOCK...LEEDS...
DEVILS LAKE...NEW ROCKFORD...LAKOTA...COOPERSTOWN...VALLEY CITY...
ADAMS
1021 AM CDT SAT SEP 1 2012

...WIND ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 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 8 PM
CDT THIS EVENING. 

* WINDS...SOUTH TO SOUTHEAST AT 30 TO 35 MPH WITH GUSTS TO 45 MPH.

* TIMING...WINDS WILL STRENGTHEN LATE THIS MORNING AND REMAIN
  GUSTY THROUGH THE LATE AFTERNOON HOURS.

* IMPACTS...WAVES OF 4 TO 6 FEET MAY BE GENERATED IN THE DEVILS 
  LAKE BASIN AND RESULT IN ROADBED EROSION IN SUSCEPTIBLE AREAS.

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/JAM
2 follow-up statements
598 
WWUS73 KFGF 011959
NPWFGF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GRAND FORKS ND
259 PM CDT SAT SEP 1 2012

...STRONG SOUTHERLY WINDS INTO EARLY EVENING...

.STRONG SOUTHERLY WINDS WILL CONTINUE ACROSS THE NORTHERN PLAINS
INTO THIS EVENING. WINDS FROM 30 TO 35 MPH WILL CONTINUE INTO THIS
EVENING ACROSS THE DEVILS LAKE BASIN...WITH GUSTS UP TO 45 MPH.
ALTHOUGH IT WILL REMAIN WINDY OVERNIGHT...SOME DECREASE IN WIND
SPEEDS IS EXPECTED.

NDZ006-007-014-015-024-026-028-038-054-020100-
/O.CON.KFGF.WI.Y.0017.000000T0000Z-120902T0100Z/
TOWNER-CAVALIER-BENSON-RAMSEY-EDDY-NELSON-GRIGGS-BARNES-
WESTERN WALSH-
INCLUDING THE CITIES OF...CANDO...LANGDON...MADDOCK...LEEDS...
DEVILS LAKE...NEW ROCKFORD...LAKOTA...COOPERSTOWN...VALLEY CITY...
ADAMS
259 PM CDT SAT SEP 1 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING...

* WINDS...SOUTH TO SOUTHEAST AT 30 TO 35 MPH WITH GUSTS TO 45 MPH
  THROUGH EARLY EVENING. WINDS WILL SLOWLY SUBSIDE AFTER SUNSET.

* IMPACTS...WAVES OF 4 TO 6 FEET MAY BE GENERATED IN THE DEVILS 
  LAKE BASIN AND RESULT IN ROADBED EROSION IN SUSCEPTIBLE AREAS. 

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
477 
WWUS73 KFGF 020103
NPWFGF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GRAND FORKS ND
803 PM CDT SAT SEP 1 2012

...WINDS NO LONGER GUSTING STRONGLY...

.WHILE CONDITIONS WILL CONTINUE TO BE BREEZY OVERNIGHT...SOUTHERLY
WINDS HAVE DECREASED AS THE SUN SETS. WINDS SPEEDS WILL CONTINUE
TO DROP INTO THE 15 TO 25 MPH RANGE THIS EVENING...AND THEN WILL
DROP EVEN FURTHER DOWN TO AROUND 10 MPH BY THE EARLY MORNING HOURS
AS A TROUGH OF LOW PRESSURE MOVES INTO THE REGION.  

NDZ006-007-014-015-024-026-028-038-054-020215-
/O.EXP.KFGF.WI.Y.0017.000000T0000Z-120902T0100Z/
TOWNER-CAVALIER-BENSON-RAMSEY-EDDY-NELSON-GRIGGS-BARNES-
WESTERN WALSH-
INCLUDING THE CITIES OF...CANDO...LANGDON...MADDOCK...LEEDS...
DEVILS LAKE...NEW ROCKFORD...LAKOTA...COOPERSTOWN...VALLEY CITY...
ADAMS
803 PM CDT SAT SEP 1 2012

...WIND ADVISORY WILL EXPIRE AT 8 PM CDT THIS EVENING...

WINDS WILL CONTINUE TO DROP INTO THE 15 TO 25 MPH RANGE THIS
EVENING BEFORE DIMINISHING EVEN FURTHER TO AROUND 10 MPH BY EARLY
MORNING. 

$$

JR

Nearby

Wind Advisories in North Dakota, 2012Every wind advisory in 2012

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.