Alert archive / North Dakota / Red Flag Warnings in 2017

Red Flag Warning 3, NWS Bismarck, ND

July 22, 20179 counties in North Dakota

NWS Bismarck, ND issued this red flag warning at Jul 22, 2017, 3:22 AM MDT for 9 counties in North Dakota. It took effect at Jul 22, 2017, 11:00 AM MDT. It was in force for 9 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
Jul 22, 2017, 3:22 AM MDT (09:22 UTC)
In effect from
Jul 22, 2017, 11:00 AM MDT
Expired
Jul 22, 2017, 7:57 PM MDT
In force
9 hr
Issued by
NWS Bismarck, ND

Counties Adams County, ND, Billings County, ND, Bowman County, ND, Golden Valley County, ND, Grant County, ND, Hettinger County, ND, Sioux County, ND, Slope County, ND, Stark County, ND

The radar

The Bismarck radar (KBIS), 153 km from the middle of the area, began a volume at 09:26 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, 9.4 hours before the alert went out and 158 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 2017-07-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2130 joules per kilogram.LCLLFCEL10008507005003002001001 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 2017-07-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 59 square meters per square second.1939587897Sfc1 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
2130 J/kg
Mixed-layer CIN
-32 J/kg
Mixed-layer LCL
1710 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
59 m²/s²
0-3 km storm-relative helicity
83 m²/s²
Significant tornado parameter
0.2
Supercell composite
3.7

Open this sounding in Storm Lab

The text

As transmitted.

796 
WWUS83 KBIS 220922
RFWBIS

URGENT - FIRE WEATHER MESSAGE
National Weather Service Bismarck ND
422 AM CDT Sat Jul 22 2017

...RED FLAG WARNING FOR SOUTHWEST AND PORTIONS OF SOUTH CENTRAL 
NORTH DAKOTA SATURDAY AFTERNOON THROUGH EARLY SATURDAY EVENING...

.With high temperatures in the upper 80s, northwest winds between 
20 and 30 mph this afternoon, combined with minimum relative humidities
as low as 15 percent and very dry fuels, expect critical fire weather
conditions over southwest and portions of south central North Dakota
this afternoon and early evening.

NDZ020-034-035-046-221030-
/O.CAN.KBIS.FW.A.0003.170722T1700Z-170723T0200Z/
Oliver-Morton-Burleigh-Emmons-
422 AM CDT Sat Jul 22 2017

...FIRE WEATHER WATCH IS CANCELLED FOR STRONG WINDS, LOW RELATIVE
HUMIDITIES, AND DRY FUELS FOR FIRE WEATHER ZONES 020, 034, 035, 
AND 046...

The National Weather Service in Bismarck has cancelled the Fire
Weather Watch.

$$

NDZ031>033-040>045-221730-
/O.UPG.KBIS.FW.A.0003.170722T1700Z-170723T0200Z/
/O.NEW.KBIS.FW.W.0003.170722T1700Z-170723T0200Z/
Golden Valley-Billings-Stark-Slope-Hettinger-Grant-Bowman-Adams-
Sioux-
422 AM CDT Sat Jul 22 2017 /322 AM MDT Sat Jul 22 2017/

...RED FLAG WARNING IN EFFECT FROM NOON CDT /11 AM MDT/ TODAY TO
9 PM CDT /8 PM MDT/ THIS EVENING FOR STRONG WINDS, LOW RELATIVE
HUMIDITIES, AND VERY DRY FUELS...

The National Weather Service in Bismarck has issued a Red Flag
Warning, which is in effect from noon CDT /11 AM MDT/ today to
9 PM CDT /8 PM MDT/ this evening. The Fire Weather Watch is no
longer in effect. 

* AFFECTED AREA...Golden Valley, Billings, Stark, Slope,
  Hettinger, Grant, Bowman, Adams, and Sioux Counties.

* WIND...Northwest winds between 20 and 30 mph. 

* HUMIDITY...Minimum relative humidity between 15 and 20  
  percent.

* TEMPERATURES...Highs in the upper 80s. 

* IMPACTS...Any fires that develop could spread rapidly.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
will occur, which can contribute to extreme fire behavior.

&&

$$

KS
2 follow-up statements
224 
WWUS83 KBIS 221728
RFWBIS

URGENT - FIRE WEATHER MESSAGE
National Weather Service Bismarck ND
1228 PM CDT Sat Jul 22 2017

...RED FLAG WARNING FOR SOUTHWEST AND PORTIONS OF SOUTH CENTRAL
NORTH DAKOTA SATURDAY AFTERNOON THROUGH EARLY SATURDAY EVENING...

.With high temperatures in the upper 80s, northwest winds between
20 and 30 mph this afternoon, combined with minimum relative
humidities as low as 15 percent and very dry fuels, expect
critical fire weather conditions over southwest and portions of
south central North Dakota this afternoon and early evening.

NDZ031>033-040>045-230200-
/O.CON.KBIS.FW.W.0003.000000T0000Z-170723T0200Z/
Golden Valley-Billings-Stark-Slope-Hettinger-Grant-Bowman-Adams-
Sioux-
1228 PM CDT Sat Jul 22 2017 /1128 AM MDT Sat Jul 22 2017/

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM CDT /8 PM MDT/
THIS EVENING FOR STRONG WINDS, LOW RELATIVE HUMIDITIES, AND VERY
DRY FUELS...

* AFFECTED AREA...Golden Valley, Billings, Stark, Slope, 
  Hettinger, Grant, Bowman, Adams, and Sioux Counties. 

* WIND...Northwest winds between 20 and 30 mph.

* HUMIDITY...Minimum relative humidity between 15 and 20 
  percent.

* TEMPERATURES...Highs in the upper 80s.

* IMPACTS...Any fires that develop could spread rapidly.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
will occur, which can contribute to extreme fire behavior.

&&

$$

JV/KS
293 
WWUS83 KBIS 230157
RFWBIS

URGENT - FIRE WEATHER MESSAGE
National Weather Service Bismarck ND
857 PM CDT Sat Jul 22 2017

...RED FLAG WARNING EXPIRES...

.The red flag warning has expired for southwest North Dakota. 

NDZ031>033-040>045-230300-
/O.CAN.KBIS.FW.W.0003.000000T0000Z-170723T0200Z/
Golden Valley-Billings-Stark-Slope-Hettinger-Grant-Bowman-Adams-
Sioux-
857 PM CDT Sat Jul 22 2017 /757 PM MDT Sat Jul 22 2017/

...RED FLAG WARNING IS CANCELLED FOR STRONG WINDS, LOW RELATIVE
HUMIDITIES, AND VERY DRY FUELS...

The National Weather Service in Bismarck has cancelled the Red
Flag Warning. 

$$
waa

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 21, 6:18 PM MDTSevere Thunderstorm WarningBISBottineau, Burke, Renville57 min
Jul 21, 6:19 PM MDTSevere Thunderstorm WarningBISEmmons, Logan, McIntosh56 min
Jul 21, 6:46 PM MDTSpecial Weather StatementBISMcLean29 min
Jul 21, 7:04 PM MDTSpecial Weather StatementBISMcLean26 min
Jul 21, 7:10 PM MDTSevere Thunderstorm WarningBISLaMoure, Logan, Stutsman65 min
Jul 21, 7:10 PM MDTSevere Thunderstorm WarningBISMcHenry, McLean, Sheridan, Ward65 min
Jul 21, 7:14 PM MDTSevere Thunderstorm WarningBISBottineau, Renville61 min
Jul 21, 7:16 PM MDTSevere Thunderstorm WarningBISBurleigh, McLean, Oliver59 min
Jul 21, 7:48 PM MDTTornado WarningBISBurleigh, Oliver27 min
Jul 21, 8:09 PM MDTSevere Thunderstorm WarningBISBottineau, McHenry, Pierce, Rolette66 min
Jul 21, 8:13 PM MDTSevere Thunderstorm WarningBISBurleigh62 min
Jul 21, 8:24 PM MDTSpecial Weather StatementBISLaMoure36 min
Jul 21, 8:29 PM MDTSpecial Weather StatementBISDickey31 min
Jul 21, 8:40 PM MDTSevere Thunderstorm WarningBISMcHenry, Pierce, Ward65 min
Jul 21, 8:44 PM MDTSevere Thunderstorm WarningBISDickey, LaMoure61 min
Jul 21, 8:47 PM MDTSevere Thunderstorm WarningBISBurleigh, Morton, Oliver58 min
Jul 21, 9:12 PM MDTSevere Thunderstorm WarningBISMcHenry, Pierce33 min
Jul 21, 9:16 PM MDTTornado WarningBISPierce29 min
Jul 21, 9:24 PM MDTSevere Thunderstorm WarningBISBurleigh, Morton66 min
Jul 21, 9:36 PM MDTSpecial Weather StatementBISLaMoure24 min
Jul 21, 9:43 PM MDTSpecial Weather StatementBISLaMoure32 min
Jul 21, 9:51 PM MDTSevere Thunderstorm WarningBISPierce54 min
Jul 21, 9:52 PM MDTSevere Thunderstorm WarningBISBurleigh, Emmons, Morton68 min
Jul 21, 10:00 PM MDTSevere Thunderstorm WarningBISLaMoure15 min
Jul 21, 10:37 PM MDTSpecial Weather StatementBISWells53 min
Jul 21, 10:39 PM MDTSpecial Weather StatementBISWells51 min
Jul 21, 10:41 PM MDTSevere Thunderstorm WarningBISLogan, McIntosh64 min

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.