Alert archive / North Dakota / Red Flag Warnings in 2017

Red Flag Warning 7, NWS Bismarck, ND

October 18, 201717 counties in North Dakota

NWS Bismarck, ND issued this red flag warning at Oct 18, 2017, 3:16 AM CDT for 17 counties in North Dakota. 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, 3:16 AM CDT (08:16 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 Bismarck, ND

Counties Bottineau County, ND, Burke County, ND, Burleigh County, ND, Divide County, ND, Foster County, ND, Kidder County, ND, McHenry County, ND, McLean County, ND, Mountrail County, ND, Pierce County, ND, Renville County, ND, Rolette County, ND, Sheridan County, ND, Stutsman County, ND, Ward County, ND, Wells County, ND, Williams County, ND

The radar

The Minot AFB radar (KMBX), 42 km from the middle of the area, began a volume at 08:16 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 00:00Z, 8.3 hours before the alert went out and 140 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 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, Bismarck Municip, ND at 00:00Z on 2017-10-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 113 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
3899 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
113 m²/s²
0-3 km storm-relative helicity
101 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

193 
WWUS83 KBIS 180816
RFWBIS

URGENT - FIRE WEATHER MESSAGE
National Weather Service Bismarck ND
316 AM CDT Wed Oct 18 2017

...RED FLAG WARNING IN EFFECT FOR NORTHERN AND MOST OF CENTRAL
NORTH DAKOTA THIS AFTERNOON INTO EARLY EVENING...

.Strong west to northwest winds sustained between 25 and 35 mph 
will coincide with minimum relative humidities around 20 percent 
this afternoon into early evening. Wind gusts up to 50 mph are
possible, especially in the Turtle Mountains. The combination of 
strong winds and low relative humidities will create critical fire
weather conditions for northern and most of central North Dakota 
this afternoon into early evening. 

NDZ001>005-009>013-021>023-025-035>037-181630-
/O.UPG.KBIS.FW.A.0009.171018T1800Z-171019T0000Z/
/O.NEW.KBIS.FW.W.0007.171018T1800Z-171019T0000Z/
Divide-Burke-Renville-Bottineau-Rolette-Williams-Mountrail-Ward-
McHenry-Pierce-McLean-Sheridan-Wells-Foster-Burleigh-Kidder-
Stutsman-
316 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 RELATIVE HUMIDITY FOR 
FIRE WEATHER ZONES 001, 002, 003, 004, 005, 009, 010, 011, 012, 
013, 021, 022, 023, 025, 035, 036, AND 037...

The National Weather Service in Bismarck has issued a Red Flag
Warning, which is in effect from 1 PM this afternoon to 7 PM CDT
this evening. The Fire Weather Watch is no longer in effect. 

* WIND...West to northwest winds sustained up to 35 mph, with 
  gusts to 50 mph. 

* HUMIDITY...Around 20 percent.

* TEMPERATURES...Highs in the 50s.

* IMPACTS...Any fires that develop may spread rapidly. Refer to 
  your county or tribal emergency management or law enforcement 
  for fire restrictions.

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 and low relative humidity can contribute to extreme 
fire behavior.

&&

$$

KS
3 follow-up statements
315 
WWUS83 KBIS 181447
RFWBIS

URGENT - FIRE WEATHER MESSAGE
National Weather Service Bismarck ND
947 AM CDT Wed Oct 18 2017

...RED FLAG WARNING IN EFFECT FOR NORTHERN AND MOST OF CENTRAL
NORTH DAKOTA THIS AFTERNOON INTO EARLY EVENING...

.Strong west to northwest winds sustained around 30 mph will 
coincide with minimum relative humidity around 20 percent. Wind 
gusts up to 50 mph are possible, especially in the Turtle 
Mountains. The combination of strong winds and low relative 
humidity will create critical fire weather conditions for northern
and most of central North Dakota this afternoon into early 
evening.

NDZ001>005-009>013-021>023-025-035>037-182300-
/O.CON.KBIS.FW.W.0007.171018T1800Z-171019T0000Z/
Divide-Burke-Renville-Bottineau-Rolette-Williams-Mountrail-Ward-
McHenry-Pierce-McLean-Sheridan-Wells-Foster-Burleigh-Kidder-
Stutsman-
947 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 RELATIVE HUMIDITY
FOR FIRE WEATHER ZONES 001, 002, 003, 004, 005, 009, 010, 011,
012, 013, 021, 022, 023, 025, 035, 036, AND 037...

* WIND...West to northwest winds sustained around 30 mph, with 
  gusts to 50 mph. 

* HUMIDITY...Around 20 percent.

* TEMPERATURES...Highs in the 50s.

* IMPACTS...Any fires that develop may spread rapidly. Refer to 
  your county or tribal emergency management or law enforcement 
  for fire restrictions.

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 and low relative humidity can contribute to extreme
fire behavior.

&&

$$

PA
984 
WWUS83 KBIS 181928
RFWBIS

URGENT - FIRE WEATHER MESSAGE
National Weather Service Bismarck ND
228 PM CDT Wed Oct 18 2017

...RED FLAG WARNING IN EFFECT FOR NORTHERN AND MOST OF CENTRAL
NORTH DAKOTA THIS AFTERNOON INTO EARLY EVENING...

.Strong west to northwest winds sustained between 25
to 30 mph were observed this afternoon coinciding with minimum 
relative humidity values around 20 percent. Wind gusts up to 50 
mph are possible, especially in the Turtle Mountains. The 
combination of strong winds and low relative humidities have 
created critical fire weather conditions for northern and most of 
central North Dakota this afternoon and into the early evening.

NDZ001>005-009>013-021>023-025-035>037-190000-
/O.CON.KBIS.FW.W.0007.000000T0000Z-171019T0000Z/
Divide-Burke-Renville-Bottineau-Rolette-Williams-Mountrail-Ward-
McHenry-Pierce-McLean-Sheridan-Wells-Foster-Burleigh-Kidder-
Stutsman-
228 PM CDT Wed Oct 18 2017

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING
FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
001, 002, 003, 004, 005, 009, 010, 011, 012, 013, 021, 022, 023, 
025, 035, 036, AND 037...

* WIND...West to northwest winds sustained around 30 mph, with
  gusts to 50 mph. 

* HUMIDITY...Around 20 percent.

* TEMPERATURES...Highs in the 50s.

* IMPACTS...Any fires that develop may spread rapidly. Refer to 
  your county or tribal emergency management or law enforcement 
  for fire restrictions.

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 and low relative humidity can contribute to extreme
fire behavior.

&&

$$

AE/PA
448 
WWUS83 KBIS 182357
RFWBIS

URGENT - FIRE WEATHER MESSAGE
National Weather Service Bismarck ND
657 PM CDT Wed Oct 18 2017

...RED FLAG WARNING EXPIRES AT 7 PM CDT...

.Critical fire weather conditions have abated and the Red Flag 
Warning will be allowed to expire at 7 PM CDT.

NDZ001>005-009>013-021>023-025-035>037-190100-
/O.EXP.KBIS.FW.W.0007.000000T0000Z-171019T0000Z/
Divide-Burke-Renville-Bottineau-Rolette-Williams-Mountrail-Ward-
McHenry-Pierce-McLean-Sheridan-Wells-Foster-Burleigh-Kidder-
Stutsman-
657 PM CDT Wed Oct 18 2017

...RED FLAG WARNING WILL EXPIRE AT 7 PM CDT THIS EVENING FOR
STRONG WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
001, 002, 003, 004, 005, 009, 010, 011, 012, 013, 021, 022, 023,
025, 035, 036, AND 037...

The Red Flag Warning will be allowed to expire at 7 PM CDT.

$$
WA

Nearby

Red Flag Warnings in North Dakota, 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.