Alert archive / Nebraska / Red Flag Warnings in 2012

Red Flag Warning 8, NWS Hastings, NE

March 9, 201217 counties in Nebraska

NWS Hastings, NE issued this red flag warning at Mar 9, 2012, 9:33 AM CST for 17 counties in Nebraska. It took effect at Mar 9, 2012, 12:00 PM CST. 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
Mar 9, 2012, 9:33 AM CST (15:33 UTC)
In effect from
Mar 9, 2012, 12:00 PM CST
Expired
Mar 9, 2012, 6:00 PM CST
In force
6 hr
Issued by
NWS Hastings, NE

Counties Buffalo County, NE, Dawson County, NE, Furnas County, NE, Gosper County, NE, Greeley County, NE, Hall County, NE, Hamilton County, NE, Harlan County, NE, Howard County, NE, Kearney County, NE, Merrick County, NE, Nance County, NE, Phelps County, NE, Polk County, NE, Sherman County, NE, Valley County, NE, York County, NE

The radar

The Grand Island radar (KUEX), 72 km from the middle of the area, began a volume at 15:32 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

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 3.6 hours before the alert went out and 155 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, N. Platte/Lee Bi, NE at 12:00Z on 2012-03-09Temperature 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, N. Platte/Lee Bi, NE at 12:00Z on 2012-03-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 10 square meters per square second.19395878Sfc1 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
2524 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
10 m²/s²
0-3 km storm-relative helicity
43 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.

877 
WWUS83 KGID 091533
RFWGID

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE HASTINGS NE
933 AM CST FRI MAR 9 2012

...CRITICAL FIRE WEATHER CONDITIONS EXPECTED THIS AFTERNOON...

.THE COMBINATION OF DRY FUELS...GUSTY SOUTH TO SOUTHWEST
WINDS...ABOVE AVERAGE TEMPERATURES AND LOW RELATIVE HUMIDITY
VALUES WILL PROMOTE THE POTENTIAL FOR EXPLOSIVE FIRE GROWTH THIS
AFTERNOON. CONDITIONS WILL IMPROVE THIS EVENING.

NEZ039>041-046>049-060>064-072>074-082-083-100000-
/O.NEW.KGID.FW.W.0008.120309T1800Z-120310T0000Z/
VALLEY-GREELEY-NANCE-SHERMAN-HOWARD-MERRICK-POLK-DAWSON-BUFFALO-
HALL-HAMILTON-YORK-GOSPER-PHELPS-KEARNEY-FURNAS-HARLAN-
933 AM CST FRI MAR 9 2012

...RED FLAG WARNING IN EFFECT UNTIL 6 PM CST THIS EVENING FOR
WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 039...040...
041...046...047...048...049...060...061...062...063...064...072...
073...074...082 AND 083...

THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A RED FLAG
WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT
UNTIL 6 PM CST THIS EVENING.

* AFFECTED AREA...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 060 DAWSON...FIRE WEATHER ZONE 061 BUFFALO...
  FIRE WEATHER ZONE 062 HALL...FIRE WEATHER ZONE 063 HAMILTON...
  FIRE WEATHER ZONE 064 YORK...FIRE WEATHER ZONE 072 GOSPER...
  FIRE WEATHER ZONE 073 PHELPS...FIRE WEATHER ZONE 074 KEARNEY...
  FIRE WEATHER ZONE 082 FURNAS AND FIRE WEATHER ZONE 083 HARLAN.

* WINDS...SOUTH TO SOUTHWEST WINDS WILL INCREASE TO 15 TO 25
  MPH...WITH GUSTS NEAR 25 TO 30 MPH THIS AFTERNOON.

* RELATIVE HUMIDITY...THE COMBINATION OF HIGH TEMPERATURES IN THE
  LOWER 60S AND LOW DEWPOINTS WILL RESULT IN RELATIVE HUMIDITY
  VALUES IN THE 12 TO 20 PERCENT RANGE.

* IMPACTS...DRY AND WINDY CONDITIONS THIS AFTERNOON WILL PROMOTE
  DANGEROUS FIRE BEHAVIOR. OUTDOOR BURNING SHOULD BE AVOIDED...AND
  CAUTION SHOULD BE EXERCISED WHEN CONDUCTING ANY ACTIVITIES WHICH
  COULD RESULT IN A FIRE. 

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.

&&

$$

ADO
1 follow-up statement
435 
WWUS83 KGID 092356
RFWGID

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE HASTINGS NE
556 PM CST FRI MAR 9 2012

NEZ039>041-046>049-060>064-072>074-082-083-100100-
/O.EXP.KGID.FW.W.0008.000000T0000Z-120310T0000Z/
VALLEY-GREELEY-NANCE-SHERMAN-HOWARD-MERRICK-POLK-DAWSON-BUFFALO-
HALL-HAMILTON-YORK-GOSPER-PHELPS-KEARNEY-FURNAS-HARLAN-
556 PM CST FRI MAR 9 2012

...RED FLAG WARNING WILL EXPIRE AT 6 PM CST THIS EVENING FOR WIND
AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 039...040...
041...046...047...048...049...060...061...062...063...064...072...
073...074...082 AND 083...

ATHOUGH SOUTHWESTERLY WINDS WILL BE STEADY TONIGHT...WIND SPEEDS
WILL DIMINISH SOME THIS EVENING. RELATIVE HUMIDITIES WILL
INCREASE THIS EVENING AS TEMPERATURES COOL...THEREFORE THE RED
FLAG WARNING WILL BE ALLOWED TO EXPIRE AT 6 PM.

$$

Nearby

Red Flag Warnings in Nebraska, 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.