Alert archive / North Dakota / Red Flag Warnings in 2016

Red Flag Warning 1, NWS Grand Forks, ND

April 9, 20165 counties in North Dakota

NWS Grand Forks, ND issued this red flag warning at Apr 9, 2016, 1:57 PM CDT for 5 counties in North Dakota. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 9, 2016, 1:57 PM CDT (18:57 UTC)
Expired
Apr 9, 2016, 6:00 PM CDT
In force
4 hr
Issued by
NWS Grand Forks, ND

Counties Barnes County, ND, Griggs County, ND, Ransom County, ND, Richland County, ND, Sargent County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 102 km from the middle of the area, began a volume at 19:01 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

Aberdeen, SD (KABR), launched 12:00Z, 7.0 hours before the alert went out and 201 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, Aberdeen, SD at 12:00Z on 2016-04-09Temperature 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, Aberdeen, SD at 12:00Z on 2016-04-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 91 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
1541 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
91 m²/s²
0-3 km storm-relative helicity
273 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

314 
WWUS83 KFGF 091857
RFWFGF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE GRAND FORKS ND
157 PM CDT SAT APR 9 2016

NDZ028-038-049-052-053-092300-
/O.NEW.KFGF.FW.W.0001.160409T1857Z-160409T2300Z/
GRIGGS-BARNES-RANSOM-SARGENT-RICHLAND-
157 PM CDT SAT APR 9 2016

...RED FLAG WARNING IN EFFECT UNTIL 6 PM CDT THIS EVENING FOR
GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR PARTS OF SOUTHEASTERN
NORTH DAKOTA...

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A RED FLAG
WARNING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY...WHICH IS IN
EFFECT UNTIL 6 PM CDT THIS EVENING.

* AFFECTED AREA...IN NORTH DAKOTA...FIRE WEATHER ZONES 028... 
  038...049...052 AND 053.

* WINDS...SOUTH 25 TO 35 MPH WITH GUSTS UP TO 50 MPH.

* TIMING...CRITICAL FIRE WEATHER CONDITIONS HAVE DEVELOPED AND ARE
  EXPECTED TO CONTINUE THIS AFTERNOON THROUGH 6 PM.

* RELATIVE HUMIDITY...AS LOW AS 20 PERCENT.

* TEMPERATURES...IN THE UPPER 40S TO LOW 50S.

* IMPACTS...ANY FIRES THAT START HAVE THE POTENTIAL TO EXHIBIT
  EXTREME FIRE BEHAVIOR.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW....OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES CAN
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

&&

$$

KNUTSVIG
1 follow-up statement
004 
WWUS83 KFGF 092300
RFWFGF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE GRAND FORKS ND
600 PM CDT SAT APR 9 2016

NDZ028-038-049-052-053-100000-
/O.EXP.KFGF.FW.W.0001.000000T0000Z-160409T2300Z/
GRIGGS-BARNES-RANSOM-SARGENT-RICHLAND-
600 PM CDT SAT APR 9 2016

...RED FLAG WARNING WILL EXPIRE AT 6 PM CDT THIS EVENING FOR GUSTY
WINDS AND LOW RELATIVE HUMIDITY FOR PARTS OF SOUTHEASTERN
NORTH DAKOTA...

WINDS WILL DECREASE AND HUMIDITIES WILL INCREASE AS TEMPERATURES
BEGIN TO FALL WITH LOSS OF SURFACE HEATING. THEREFORE...THE RED
FLAG WARNING WILL BE ALLOWED TO EXPIRE.

$$

HOPKINS

The office that day

Everything else NWS Grand Forks, ND issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 9, 4:01 AM CDTWind AdvisoryFGFBarnes, Benson, Cass, Cavalier, Eddy, Grand Forks and 11 more14 hr

Nearby

Red Flag Warnings in North Dakota, 2016Every red flag warning in 2016

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.