Alert archive / Nebraska / Red Flag Warnings in 2012

Red Flag Warning 22, NWS Hastings, NE

August 22, 201216 counties in Nebraska; 4 counties in Kansas

NWS Hastings, NE issued this red flag warning at Aug 22, 2012, 3:46 AM CDT for 16 counties in Nebraska; 4 counties in Kansas. It took effect at Aug 22, 2012, 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
Aug 22, 2012, 3:46 AM CDT (08:46 UTC)
In effect from
Aug 22, 2012, 1:00 PM CDT
Expired
Aug 22, 2012, 7:04 PM CDT
In force
6 hr
Issued by
NWS Hastings, NE

Counties Jewell County, KS, Mitchell County, KS, Osborne County, KS, Smith County, KS, Adams County, NE, Clay County, NE, Fillmore County, NE, Greeley County, NE, Hall County, NE, Hamilton County, NE, Howard County, NE, Merrick County, NE, Nance County, NE, Nuckolls County, NE, Polk County, NE, Sherman County, NE, Thayer County, NE, Valley County, NE, Webster County, NE, York County, NE

The radar

The Grand Island radar (KUEX), 37 km from the middle of the area, began a volume at 08:44 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

Omaha, NE (KOAX), launched 00:00Z, 8.8 hours before the alert went out and 176 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, Omaha, NE at 00:00Z on 2012-08-22Temperature 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, Omaha, NE at 00:00Z on 2012-08-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -2 square meters per square second.1939Sfc1 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
3665 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
-2 m²/s²
0-3 km storm-relative helicity
46 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

550 
WWUS83 KGID 220846
RFWGID

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE HASTINGS NE
346 AM CDT WED AUG 22 2012

...CRITICAL FIRE WEATHER CONDITIONS POSSIBLE THIS AFTERNOON AND
EVENING...

.THE COMBINATION OF STRONG SOUTH WINDS AND LOW VALUES OF RELATIVE
HUMIDITY WILL PROMOTE DANGEROUS FIRE WEATHER CONDITIONS ACROSS
THE AREA THIS AFTERNOON AND EVENING.

KSZ006-007-018-019-NEZ040-041-047>049-062>064-075>077-085>087-
221700-
/O.UPG.KGID.FW.A.0008.120822T1700Z-120823T0000Z/
/O.NEW.KGID.FW.W.0022.120822T1800Z-120823T0100Z/
SMITH-JEWELL-OSBORNE-MITCHELL-GREELEY-NANCE-HOWARD-MERRICK-POLK-
HALL-HAMILTON-YORK-ADAMS-CLAY-FILLMORE-WEBSTER-NUCKOLLS-THAYER-
346 AM CDT WED AUG 22 2012

...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM
CDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONES 006...007...018...019...040...041...047...048...
049...062...063...064...075...076...077...085...086 AND 087...

THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A RED FLAG
WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT
FROM 1 PM THIS AFTERNOON TO 8 PM CDT THIS EVENING. THE FIRE
WEATHER WATCH IS NO LONGER IN EFFECT.

* AFFECTED AREA...IN KANSAS...FIRE WEATHER ZONE 006 SMITH...FIRE 
  WEATHER ZONE 007 JEWELL...FIRE WEATHER ZONE 018 OSBORNE AND 
  FIRE WEATHER ZONE 019 MITCHELL. IN NEBRASKA...FIRE WEATHER 
  ZONE 040 GREELEY...FIRE WEATHER ZONE 041 NANCE...FIRE WEATHER 
  ZONE 047 HOWARD...FIRE WEATHER ZONE 048 MERRICK...FIRE WEATHER 
  ZONE 049 POLK...FIRE WEATHER ZONE 062 HALL...FIRE WEATHER ZONE 
  063 HAMILTON...FIRE WEATHER ZONE 064 YORK...FIRE WEATHER ZONE 
  075 ADAMS...FIRE WEATHER ZONE 076 CLAY...FIRE WEATHER ZONE 077 
  FILLMORE...FIRE WEATHER ZONE 085 WEBSTER...FIRE WEATHER ZONE 
  086 NUCKOLLS AND FIRE WEATHER ZONE 087 THAYER.

* WINDS...FROM THE SOUTH AT 20 TO 25 MPH WITH GUSTS TO AROUND 30 
  MPH. 

* RELATIVE HUMIDITY...FALLING TO AROUND 20 PERCENT DURING THE 
  AFTERNOON AND EARLY EVENING HOURS. 

* IMPACTS...THE COMBINATION OF DRY FUELS...GUSTY SOUTH WINDS... 
  AND LOW RELATIVE HUMIDITY VALUES WILL PROMOTE EXPLOSIVE FIRE 
  GROWTH. UNDER THESE CONDITIONS...OPEN FIRES COULD ESCAPE 
  CONTROL VERY 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 WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

NEZ039-046-221700-
/O.NEW.KGID.FW.W.0022.120822T1800Z-120823T0100Z/
VALLEY-SHERMAN-
346 AM CDT WED AUG 22 2012

...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM
CDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONES 039 AND 046...

THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A RED FLAG
WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT
FROM 1 PM THIS AFTERNOON TO 8 PM CDT THIS EVENING.

* AFFECTED AREA...IN NEBRASKA...FIRE WEATHER ZONE 039 VALLEY AND 
  FIRE WEATHER ZONE 046 SHERMAN.

* WINDS...FROM THE SOUTH AT 20 TO 25 MPH WITH GUSTS TO AROUND 30
  MPH.

* RELATIVE HUMIDITY...FALLING TO AROUND 20 PERCENT DURING THE 
  AFTERNOON AND EARLY EVENING HOURS. 

* IMPACTS...THE COMBINATION OF DRY FUELS...GUSTY SOUTH WINDS... 
  AND LOW RELATIVE HUMIDITY VALUES WILL PROMOTE EXPLOSIVE FIRE 
  GROWTH. UNDER THESE CONDITIONS...OPEN FIRES COULD ESCAPE 
  CONTROL VERY 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 WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$
2 follow-up statements
258 
WWUS83 KGID 221648
RFWGID

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE HASTINGS NE
1148 AM CDT WED AUG 22 2012

...CRITICAL FIRE WEATHER CONDITIONS POSSIBLE THIS AFTERNOON AND
EVENING...

.THE COMBINATION OF STRONG SOUTH WINDS AND LOW VALUES OF RELATIVE
HUMIDITY WILL PROMOTE DANGEROUS FIRE WEATHER CONDITIONS ACROSS
THE AREA THIS AFTERNOON AND EVENING.

KSZ006-007-018-019-NEZ039>041-046>049-062>064-075>077-085>087-
230100-
/O.CON.KGID.FW.W.0022.120822T1800Z-120823T0100Z/
SMITH-JEWELL-OSBORNE-MITCHELL-VALLEY-GREELEY-NANCE-SHERMAN-HOWARD-
MERRICK-POLK-HALL-HAMILTON-YORK-ADAMS-CLAY-FILLMORE-WEBSTER-
NUCKOLLS-THAYER-
1148 AM CDT WED AUG 22 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 006...
007...018...019...039...040...041...046...047...048...049...062...
063...064...075...076...077...085...086 AND 087...

* AFFECTED AREA...IN KANSAS...FIRE WEATHER ZONE 006 SMITH...FIRE 
  WEATHER ZONE 007 JEWELL...FIRE WEATHER ZONE 018 OSBORNE AND 
  FIRE WEATHER ZONE 019 MITCHELL. IN NEBRASKA...FIRE WEATHER 
  ZONE 039 VALLEY...FIRE WEATHER ZONE 040 GREELEY...FIRE WEATHER 
  ZONE 041 NANCE...FIRE WEATHER ZONE 046 SHERMAN...FIRE WEATHER 
  ZONE 047 HOWARD...FIRE WEATHER ZONE 048 MERRICK...FIRE WEATHER 
  ZONE 049 POLK...FIRE WEATHER ZONE 062 HALL...FIRE WEATHER ZONE 
  063 HAMILTON...FIRE WEATHER ZONE 064 YORK...FIRE WEATHER ZONE 
  075 ADAMS...FIRE WEATHER ZONE 076 CLAY...FIRE WEATHER ZONE 077 
  FILLMORE...FIRE WEATHER ZONE 085 WEBSTER...FIRE WEATHER ZONE 
  086 NUCKOLLS AND FIRE WEATHER ZONE 087 THAYER.

* WINDS...FROM THE SOUTH AT 20 TO 25 MPH WITH GUSTS TO AROUND 30 
  MPH. 

* RELATIVE HUMIDITY...FALLING TO NEAR 20 PERCENT DURING THE
  AFTERNOON AND EARLY EVENING HOURS.

* IMPACTS...THE COMBINATION OF DRY FUELS...GUSTY SOUTH WINDS... 
  AND LOW RELATIVE HUMIDITY VALUES WILL PROMOTE EXPLOSIVE FIRE 
  GROWTH. UNDER THESE CONDITIONS...OPEN FIRES COULD ESCAPE 
  CONTROL VERY 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 WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

EWALD
504 
WWUS83 KGID 230004
RFWGID

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE HASTINGS NE
704 PM CDT WED AUG 22 2012

...RED FLAG WARNING CANCELLED...

.AT 7 PM CDT...TEMPERATURES HAD BEGUN TO FALL AND RELATIVE
HUMIDITIES WERE ON THE RISE. WHILE GUSTY WINDS ARE EXPECTED TO
CONTINUE FOR THE NEXT HOUR OR TWO...INCREASING RELATIVE
HUMIDITIES NO LONGER JUSTIFY A RED FLAG WARNING.

KSZ006-007-018-019-NEZ039>041-046>049-062>064-075>077-085>087-
230115-
/O.CAN.KGID.FW.W.0022.000000T0000Z-120823T0100Z/
SMITH-JEWELL-OSBORNE-MITCHELL-VALLEY-GREELEY-NANCE-SHERMAN-HOWARD-
MERRICK-POLK-HALL-HAMILTON-YORK-ADAMS-CLAY-FILLMORE-WEBSTER-
NUCKOLLS-THAYER-
704 PM CDT WED AUG 22 2012

...RED FLAG WARNING IS CANCELLED FOR WIND AND LOW RELATIVE
HUMIDITY FOR FIRE WEATHER ZONES 006...007...018...019...039...
040...041...046...047...048...049...062...063...064...075...076...
077...085...086 AND 087...

THE NATIONAL WEATHER SERVICE IN HASTINGS HAS CANCELLED THE RED
FLAG WARNING.

$$

ROSSI

Nearby

Red Flag Warnings in Nebraska, 2012Red Flag Warnings in Kansas, 2012Every red flag warning in 2012

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.