Alert archive / Iowa / Red Flag Warnings in 2017

Red Flag Warning 2, NWS Quad Cities, IA

March 8, 201721 counties in Iowa; Clark County, Scotland County, Missouri; 13 counties in Illinois

NWS Quad Cities, IA issued this red flag warning at Mar 8, 2017, 10:21 AM CST for 21 counties in Iowa; Clark County, Scotland County, Missouri; 13 counties in Illinois. It was in force for 8 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
Mar 8, 2017, 10:21 AM CST (16:21 UTC)
Expired
Mar 8, 2017, 6:00 PM CST
In force
8 hr
Issued by
NWS Quad Cities, IA
All 36 counties

Benton County, IA, Buchanan County, IA, Cedar County, IA, Clinton County, IA, Delaware County, IA, Des Moines County, IA, Dubuque County, IA, Henry County, IA, Iowa County, IA, Jackson County, IA, Jefferson County, IA, Johnson County, IA, Jones County, IA, Keokuk County, IA, Lee County, IA, Linn County, IA, Louisa County, IA, Muscatine County, IA, Scott County, IA, Van Buren County, IA, Washington County, IA, Bureau County, IL, Carroll County, IL, Hancock County, IL, Henderson County, IL, Henry County, IL, Jo Daviess County, IL, McDonough County, IL, Mercer County, IL, Putnam County, IL, Rock Island County, IL, Stephenson County, IL, Warren County, IL, Whiteside County, IL, Clark County, MO, Scotland County, MO

The radar

The Quad Cities radar (KDVN), 41 km from the middle of the area, began a volume at 16:22 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

Davenport, (KDVN), launched 12:00Z, 4.4 hours before the alert went out and 47 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, Davenport, at 12:00Z on 2017-03-08Temperature 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, Davenport, at 12:00Z on 2017-03-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 307 square meters per square second.1939587897117136Sfc1 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
2415 m above ground
0-6 km bulk shear
93 kt
0-1 km storm-relative helicity
307 m²/s²
0-3 km storm-relative helicity
374 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

830 
WWUS83 KDVN 081621
RFWDVN

URGENT - FIRE WEATHER MESSAGE
National Weather Service Quad Cities IA IL
1021 AM CST Wed Mar 8 2017

...Strong winds and low humidity driving dangerous fire conditions
again today...

.Winds gusting up to 45 mph combined with low humidity levels and
plentiful dry vegetation will create another day of dangerous 
risk of uncontrolled grass fires today.

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-090000-
/O.NEW.KDVN.FW.W.0002.170308T1621Z-170309T0000Z/
Buchanan-Delaware-Dubuque-Benton-Linn-Jones-Jackson-Iowa-Johnson-
Cedar-Clinton-Muscatine-Scott-Keokuk-Washington-Louisa-Jefferson-
Henry IA-Des Moines-Van Buren-Lee-Jo Daviess-Stephenson-Carroll-
Whiteside-Rock Island-Henry IL-Bureau-Putnam-Mercer-Henderson-
Warren-Hancock-McDonough-Scotland-Clark-
1021 AM CST Wed Mar 8 2017

...RED FLAG WARNING IN EFFECT UNTIL 6 PM CST THIS EVENING FOR
DANGEROUS FIRE CONDITIONS...

The National Weather Service in the Quad Cities has issued a Red
Flag Warning FOR dangerous fire conditions...which is in effect 
until 6 PM CST this evening.

* Timing...Now through 6 PM CST this evening.

* Winds...west 20 to 30 mph with gusts up to 45 mph.

* Relative Humidity...as low as 21 percent.

* Temperatures...Near 50 north to around 60 in the far south.

* Grassland Fire Danger Index(GFDI)...Extreme.

* Impacts...Any fires will spread rapidly and be very difficult to
  control in these dangerous conditions. Outdoor burning is highly
  discouraged and should be avoided. Burning of storm damage
  should also be avoided.

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.

&&

$$

12
2 follow-up statements
935 
WWUS83 KDVN 082141
RFWDVN

URGENT - FIRE WEATHER MESSAGE
National Weather Service Quad Cities IA IL
341 PM CST Wed Mar 8 2017

...Dangerous fire conditions linger into early evening...

.West winds gusting up to 45 mph combined with very low humidity 
levels and plentiful dry vegetation, will continue to produce a 
dangerous risk of uncontrolled grass fires through sunset.

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-090000-
/O.CON.KDVN.FW.W.0002.000000T0000Z-170309T0000Z/
Buchanan-Delaware-Dubuque-Benton-Linn-Jones-Jackson-Iowa-Johnson-
Cedar-Clinton-Muscatine-Scott-Keokuk-Washington-Louisa-Jefferson-
Henry IA-Des Moines-Van Buren-Lee-Jo Daviess-Stephenson-Carroll-
Whiteside-Rock Island-Henry IL-Bureau-Putnam-Mercer-Henderson-
Warren-Hancock-McDonough-Scotland-Clark-
341 PM CST Wed Mar 8 2017

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING
FOR DANGEROUS FIRE CONDITIONS...

* Timing...Now through 6 PM CST this evening.

* Winds...West 20 to 32 mph with gusts up to 45 mph.

* Relative Humidity...as low as 18 percent.

* Temperatures...Upper 40s to middle 50s.

* Grassland Fire Danger Index(GFDI)...Extreme.

* Impacts...Any fires will spread rapidly and be very difficult to
  control in these dangerous conditions. Outdoor burning is highly
  discouraged and should be avoided. Burning of storm damage and
  debris should also be avoided.

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.

&&

$$

12
822 
WWUS83 KDVN 090012
RFWDVN

URGENT - FIRE WEATHER MESSAGE
National Weather Service Quad Cities IA IL
612 PM CST Wed Mar 8 2017


IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-090115-
/O.EXP.KDVN.FW.W.0002.000000T0000Z-170309T0000Z/
Buchanan-Delaware-Dubuque-Benton-Linn-Jones-Jackson-Iowa-Johnson-
Cedar-Clinton-Muscatine-Scott-Keokuk-Washington-Louisa-Jefferson-
Henry IA-Des Moines-Van Buren-Lee-Jo Daviess-Stephenson-Carroll-
Whiteside-Rock Island-Henry IL-Bureau-Putnam-Mercer-Henderson-
Warren-Hancock-McDonough-Scotland-Clark-
612 PM CST Wed Mar 8 2017

...RED FLAG WARNING HAS EXPIRED FOR EXTREME FIRE CONDITIONS... 

The National Weather Service in the Quad Cities has allowed the
Red Flag Warning to expire. Decreasing winds and rising relative
humidity levels have diminished the high fire danger across the 
region.

$$

Sheets

The office that day

Everything else NWS Quad Cities, IA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 8, 3:18 AM CSTWind AdvisoryDVNBenton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 7 more14 hr

Nearby

Red Flag Warnings in Iowa, 2017Red Flag Warnings in Illinois, 2017Red Flag Warnings in Missouri, 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.