Alert archive / North Dakota / Wind Advisories in 2017

Wind Advisory 10, NWS Grand Forks, ND

October 29, 20175 counties in North Dakota

NWS Grand Forks, ND issued this wind advisory at Oct 29, 2017, 3:45 PM CDT for 5 counties in North Dakota. It took effect at Oct 29, 2017, 4:00 PM CDT. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Oct 29, 2017, 3:45 PM CDT (20:45 UTC)
In effect from
Oct 29, 2017, 4:00 PM CDT
Expired
Oct 29, 2017, 7:00 PM CDT
In force
3 hr
Issued by
NWS Grand Forks, ND

Counties Benson County, ND, Cavalier County, ND, Eddy County, ND, Ramsey County, ND, Towner County, ND

The radar

The Minot AFB radar (KMBX), 143 km from the middle of the area, began a volume at 20:50 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, 8.8 hours before the alert went out and 216 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 2017-10-29Temperature 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 2017-10-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -45 square meters per square second.1939587897117Sfc1 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
1266 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
-45 m²/s²
0-3 km storm-relative helicity
152 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

153 
WWUS73 KFGF 292045
NPWFGF

URGENT - WEATHER MESSAGE
National Weather Service Grand Forks ND
345 PM CDT Sun Oct 29 2017

NDZ006-007-014-015-024-300000-
/O.NEW.KFGF.WI.Y.0010.171029T2100Z-171030T0000Z/
Towner-Cavalier-Benson-Ramsey-Eddy-
Including the cities of Cando, Langdon, Fort Totten, Maddock, 
Leeds, Minnewaukan, Devils Lake, and New Rockford
345 PM CDT Sun Oct 29 2017

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

The National Weather Service in Grand Forks has issued a Wind
Advisory...which is in effect until 7 PM CDT this evening.

* WINDS...Northwest around 30 mph with gusts up to 50 mph.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree 
  limbs could be blown down and a few power outages may result. 

* ADDITIONAL 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 gusts
over 45 mph are expected. Winds this strong can make driving
difficult, especially for high profile vehicles. Use extra
caution.

&&

$$

PJS/BP
1 follow-up statement
964 
WWUS73 KFGF 300002
NPWFGF

URGENT - WEATHER MESSAGE
National Weather Service Grand Forks ND
702 PM CDT Sun Oct 29 2017

NDZ006-007-014-015-024-300115-
/O.EXP.KFGF.WI.Y.0010.000000T0000Z-171030T0000Z/
Towner-Cavalier-Benson-Ramsey-Eddy-
Including the cities of Cando, Langdon, Fort Totten, Maddock, 
Leeds, Minnewaukan, Devils Lake, and New Rockford
702 PM CDT Sun Oct 29 2017

...WIND ADVISORY HAS EXPIRED...

The National Weather Service in Grand Forks has allowed the wind
advisory to expire. Sustained winds and wind gusts have 
diminished since this afternoon and are expected to remain below 
advisory criteria overnight.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that sustained winds of 30 mph or gusts
over 45 mph are expected. Winds this strong can make driving
difficult, especially for high profile vehicles. Use extra
caution.

&&

$$

BP

Nearby

Wind Advisories in North Dakota, 2017Every wind advisory in 2017

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.