Alert archive / North Dakota / Red Flag Warnings in 2017

Red Flag Warning 3, NWS Grand Forks, ND

October 18, 201714 counties in North Dakota; 14 counties in Minnesota

NWS Grand Forks, ND issued this red flag warning at Oct 18, 2017, 3:41 AM CDT for 14 counties in North Dakota; 14 counties in Minnesota. It took effect at Oct 18, 2017, 1:00 PM CDT. It was in force for 6 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
Oct 18, 2017, 3:41 AM CDT (08:41 UTC)
In effect from
Oct 18, 2017, 1:00 PM CDT
Expired
Oct 18, 2017, 7:00 PM CDT
In force
6 hr
Issued by
NWS Grand Forks, ND
All 28 counties

Becker County, MN, Beltrami County, MN, Clay County, MN, Clearwater County, MN, Hubbard County, MN, Kittson County, MN, Lake of the Woods County, MN, Mahnomen County, MN, Marshall County, MN, Norman County, MN, Pennington County, MN, Polk County, MN, Red Lake County, MN, Roseau 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, Steele County, ND, Towner County, ND, Traill County, ND, Walsh County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 45 km from the middle of the area, began a volume at 08:42 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

International Fa, MN (KINL), launched 00:00Z, 8.7 hours before the alert went out and 285 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, International Fa, MN at 00:00Z on 2017-10-18Temperature 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, International Fa, MN at 00:00Z on 2017-10-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 249 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
2329 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
249 m²/s²
0-3 km storm-relative helicity
320 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

339 
WWUS83 KFGF 180841
RFWFGF

URGENT - FIRE WEATHER MESSAGE
National Weather Service Grand Forks ND
341 AM CDT Wed Oct 18 2017

MNZ001>009-013>017-022-023-NDZ006>008-014>016-024-026>030-038-039-
054-190000-
/O.UPG.KFGF.FW.A.0002.171018T1800Z-171019T0000Z/
/O.NEW.KFGF.FW.W.0003.171018T1800Z-171019T0000Z/
West Polk-Norman-Clay-Kittson-Roseau-Lake Of The Woods-
West Marshall-East Marshall-North Beltrami-Pennington-Red Lake-
East Polk-North Clearwater-South Beltrami-Mahnomen-
South Clearwater-Towner-Cavalier-Pembina-Benson-Ramsey-
Eastern Walsh County-Eddy-Nelson-Grand Forks-Griggs-Steele-Traill-
Barnes-Cass-Western Walsh County-
341 AM CDT Wed Oct 18 2017

...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM
CDT THIS EVENING FOR strong winds and low humidities for northeastern
North Dakota and parts of northwestern Minnesota...

The National Weather Service in Grand Forks has issued a Red Flag
Warning for strong winds and low humidities, which is in effect 
from 1 PM this afternoon to 7 PM CDT this evening. The Fire 
Weather Watch is no longer in effect.

* AFFECTED AREA...In Minnesota...Fire Weather Zones 001...002... 
  003...004...005...006...007...008...009...013...014...015...
  016... 017...022 and 023. In North Dakota...Fire Weather Zones 
  006... 007...008...014...015...016...024...026...027...028...
  029...030... 038...039 and 054.

* WINDS...West 25 to 35 mph with gusts up to 50 mph.

* TIMING...Early afternoon into the early evening.

* RELATIVE HUMIDITY...As low as 20 percent.

* TEMPERATURES...In the upper 50s to mid 60s.

* IMPACTS...Any fires that develop may spread quickly.

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.

&&

$$

dtr
4 follow-up statements
552 
WWUS83 KFGF 181500
RFWFGF

URGENT - FIRE WEATHER MESSAGE
National Weather Service Grand Forks ND
1000 AM CDT Wed Oct 18 2017

MNZ001>009-013>017-022-023-NDZ006>008-014>016-024-026>030-038-039-
054-190000-
/O.CON.KFGF.FW.W.0003.171018T1800Z-171019T0000Z/
West Polk-Norman-Clay-Kittson-Roseau-Lake Of The Woods-
West Marshall-East Marshall-North Beltrami-Pennington-Red Lake-
East Polk-North Clearwater-South Beltrami-Mahnomen-
South Clearwater-Towner-Cavalier-Pembina-Benson-Ramsey-
Eastern Walsh County-Eddy-Nelson-Grand Forks-Griggs-Steele-Traill-
Barnes-Cass-Western Walsh County-
1000 AM CDT Wed Oct 18 2017

...RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO
7 PM CDT THIS EVENING FOR STRONG WINDS AND LOW HUMIDITIES FOR
NORTHEASTERN NORTH DAKOTA AND PARTS OF NORTHWESTERN MINNESOTA...

* AFFECTED AREA...In Minnesota...Fire Weather Zones 001...002... 
  003...004...005...006...007...008...009...013...014...015...
  016... 017...022 and 023. In North Dakota...Fire Weather Zones 
  006... 007...008...014...015...016...024...026...027...028...
  029...030... 038...039 and 054.

* WINDS...West 25 to 35 mph with gusts up to 50 mph.

* TIMING...Early afternoon into the early evening.

* RELATIVE HUMIDITY...As low as 16 percent.

* TEMPERATURES...In the upper 50s.

* IMPACTS...Any fires that develop may spread quickly.

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.

&&

$$
152 
WWUS83 KFGF 182006
RFWFGF

URGENT - FIRE WEATHER MESSAGE
National Weather Service Grand Forks ND
306 PM CDT Wed Oct 18 2017

MNZ001>009-013>017-022-023-NDZ006>008-014>016-024-026>030-038-039-
054-190000-
/O.CON.KFGF.FW.W.0003.000000T0000Z-171019T0000Z/
West Polk-Norman-Clay-Kittson-Roseau-Lake Of The Woods-
West Marshall-East Marshall-North Beltrami-Pennington-Red Lake-
East Polk-North Clearwater-South Beltrami-Mahnomen-
South Clearwater-Towner-Cavalier-Pembina-Benson-Ramsey-
Eastern Walsh County-Eddy-Nelson-Grand Forks-Griggs-Steele-Traill-
Barnes-Cass-Western Walsh County-
306 PM CDT Wed Oct 18 2017

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING
FOR STRONG WINDS AND LOW HUMIDITIES FOR NORTHEASTERN NORTH DAKOTA
AND PARTS OF NORTHWESTERN MINNESOTA...

* AFFECTED AREA...In Minnesota...Fire Weather Zones 001...002... 
  003...004...005...006...007...008...009...013...014...015...
  016... 017...022 and 023. In North Dakota...Fire Weather Zones 
  006... 007...008...014...015...016...024...026...027...028...
  029...030... 038...039 and 054.

* WINDS...West 25 to 35 mph with gusts up to 50 mph.

* TIMING...Early afternoon into the early evening.

* RELATIVE HUMIDITY...As low as 15 percent.

* TEMPERATURES...In the upper 50s to low 60s.

* IMPACTS...Any fires that develop may spread quickly.

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.

&&

$$
870 
WWUS83 KFGF 182131
RFWFGF

URGENT - FIRE WEATHER MESSAGE
National Weather Service Grand Forks ND
431 PM CDT Wed Oct 18 2017

MNZ024-027-028-190000-
/O.EXA.KFGF.FW.W.0003.000000T0000Z-171019T0000Z/
Hubbard-West Becker-East Becker-
431 PM CDT Wed Oct 18 2017

...RED FLAG WARNING IN EFFECT UNTIL 7 PM CDT THIS EVENING FOR
STRONG WINDS AND LOW HUMIDITIES FOR PART OF NORTHWEST MINNESOTA...

The National Weather Service in Grand Forks has issued a Red Flag
Warning for strong winds and low humidities for part of northwest
Minnesota, which is in effect until 7 PM CDT this evening.

* AFFECTED AREA...In Minnesota...Fire Weather Zones 024...027 
  and 028.

* WINDS...West 20 to 30 mph with gusts up to 40 mph.

* TIMING...Late this afternoon into the early evening.

* RELATIVE HUMIDITY...As low as 15 percent.

* TEMPERATURES...In the upper 50s to low 60s.

* IMPACTS...Any fires that develop may spread quickly.

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.

&&

$$

MNZ001>009-013>017-022-023-NDZ006>008-014>016-024-026>030-038-039-
054-190000-
/O.CON.KFGF.FW.W.0003.000000T0000Z-171019T0000Z/
West Polk-Norman-Clay-Kittson-Roseau-Lake Of The Woods-
West Marshall-East Marshall-North Beltrami-Pennington-Red Lake-
East Polk-North Clearwater-South Beltrami-Mahnomen-
South Clearwater-Towner-Cavalier-Pembina-Benson-Ramsey-
Eastern Walsh County-Eddy-Nelson-Grand Forks-Griggs-Steele-Traill-
Barnes-Cass-Western Walsh County-
431 PM CDT Wed Oct 18 2017

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING
FOR STRONG WINDS AND LOW HUMIDITIES FOR NORTHEASTERN NORTH DAKOTA
AND PARTS OF NORTHWESTERN MINNESOTA...

* AFFECTED AREA...In Minnesota...Fire Weather Zones 001...002... 
  003...004...005...006...007...008...009...013...014...015...
  016... 017...022 and 023. In North Dakota...Fire Weather Zones 
  006... 007...008...014...015...016...024...026...027...028...
  029...030... 038...039 and 054.

* WINDS...West 25 to 35 mph with gusts up to 50 mph.

* TIMING...Late this afternoon into the early evening.

* RELATIVE HUMIDITY...As low as 15 percent.

* TEMPERATURES...In the upper 50s to low 60s.

* IMPACTS...Any fires that develop may spread quickly.

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
709 
WWUS83 KFGF 182356
RFWFGF

URGENT - FIRE WEATHER MESSAGE
National Weather Service Grand Forks ND
656 PM CDT Wed Oct 18 2017

MNZ001>009-013>017-022>024-027-028-NDZ006>008-014>016-024-026>030-
038-039-054-190100-
/O.EXP.KFGF.FW.W.0003.000000T0000Z-171019T0000Z/
West Polk-Norman-Clay-Kittson-Roseau-Lake Of The Woods-
West Marshall-East Marshall-North Beltrami-Pennington-Red Lake-
East Polk-North Clearwater-South Beltrami-Mahnomen-
South Clearwater-Hubbard-West Becker-East Becker-Towner-Cavalier-
Pembina-Benson-Ramsey-Eastern Walsh County-Eddy-Nelson-
Grand Forks-Griggs-Steele-Traill-Barnes-Cass-Western Walsh County-
656 PM CDT Wed Oct 18 2017

...RED FLAG WARNING WILL EXPIRE AT 7 PM CDT THIS EVENING FOR
STRONG WINDS AND LOW RELATIVE HUMIDITIES FOR PORTIONS OF NORTHWEST
AND WEST CENTRAL MINNESOTA AS WELL AS EASTERN NORTH DAKOTA...

Winds have begun to decrease across the region this evening and 
relative humidities are on the rise also, reducing the threat for
critical fire weather conditions. As a result, the Red Flag 
Warning will be allowed to expire.

$$

Knutsvig

Nearby

Red Flag Warnings in North Dakota, 2017Red Flag Warnings in Minnesota, 2017Every red flag warning 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.