Alert archive / Nebraska / Red Flag Warnings in 2011

Red Flag Warning 3, NWS North Platte, NE

April 2, 201111 counties in Nebraska

NWS North Platte, NE issued this red flag warning at Apr 2, 2011, 2:43 AM MDT for 11 counties in Nebraska. It took effect at Apr 2, 2011, 12:00 PM MDT. 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: Apr 2, 2011, 2:43 AM MDT (08:43 UTC)
In effect from: Apr 2, 2011, 12:00 PM MDT
Expired: Apr 2, 2011, 7:58 PM MDT
In force: 8 hr
Issued by: NWS North Platte, NE

Counties Arthur County, NE, Chase County, NE, Cherry County, NE, Deuel County, NE, Garden County, NE, Grant County, NE, Hayes County, NE, Keith County, NE, Lincoln County, NE, Perkins County, NE, Sheridan County, NE

The radar

The North Platte radar (KLNX), 110 km from the middle of the area, began a volume at 08:45 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 00:00Z, 8.7 hours before the alert went out and 95 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2169 m above ground
0-6 km bulk shear: 71 kt
0-1 km storm-relative helicity: 79 m²/s²
0-3 km storm-relative helicity: 334 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.

539 
WWUS83 KLBF 020843
RFWLBF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORTH PLATTE NE
343 AM CDT SAT APR 2 2011

...CRITICAL FIRE CONDITIONS SATURDAY AFTERNOON...

.SURFACE LOW PRESSURE WILL DEEPEN AS IT MOVES ONTO THE NORTHERN
HIGH PAINS TODAY. STRONG SOUTHERLY FLOW WILL DEVELOP OVER WESTERN
NEBRASKA AS A RESULT. WARM DRY AIR WILL BE DRAWN NORTH FROM
EASTERN COLORADO. CRITICAL FIRE WEATHER CONDITIONS WILL DEVELOP
OVER SOUTHWEST NEBRASKA AND THE SOUTHEAST NEBRASKA PANHANDLE THIS
AFTERNOON.

NEZ204-210-022045-
/O.UPG.KLBF.FW.A.0002.110402T1800Z-110403T0000Z/
/O.NEW.KLBF.FW.W.0003.110402T1800Z-110403T0000Z/
EASTERN PANHANDLE/CRESCENT LAKE NWR-FRENCHMAN BASIN-
343 AM CDT SAT APR 2 2011 /243 AM MDT SAT APR 2 2011/

...RED FLAG WARNING IN EFFECT FROM 1 PM CDT /NOON MDT/ THIS
AFTERNOON TO 7 PM CDT /6 PM MDT/ THIS EVENING FOR GUSTY WINDS AND
LOW HUMIDITY FOR FIRE WEATHER ZONES SOUTHERN 204 AND 210...

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A RED
FLAG WARNING...WHICH IS IN EFFECT FROM 1 PM CDT /NOON MDT/ THIS
AFTERNOON TO 7 PM CDT /6 PM MDT/ THIS EVENING. THE FIRE WEATHER
WATCH IS NO LONGER IN EFFECT. 

* AFFECTED AREA...IN NEBRASKA...THE SOUTHERN HALF OF FIRE WEATHER
  ZONE 204 EASTERN PANHANDLE/CRESCENT LAKE NWR...FIRE WEATHER ZONE
  210 FRENCHMAN BASIN.

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

* HUMIDITY...HUMIDITY WILL FALL BELOW 15 PERCENT ACROSS ZONE 210
  AND THE SOUTHERN HALF OF ZONE 204.

* IMPACTS...CRITICAL FIRE CONDITIONS WILL DEVELOP...ANY FIRES
  WHICH START HAVE STRONG POTENTIAL FOR EXPLOSIVE GROWTH.


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.

&&

$$

POWER

HTTP://WEATHER.GOV/NORTHPLATTE

3 follow-up statements

676 
WWUS83 KLBF 022105
RFWLBF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORTH PLATTE NE
405 PM CDT SAT APR 2 2011

...CRITICAL FIRE CONDITIONS THIS EVENING...

.STRONG SOUTHERLY FLOW WILL CONTINUE THIS EVENING WITH HOT AND DRY
CONDITIONS...ESPECIALLY OVER SOUTHWESTERN NEBRASKA. CRITICAL FIRE
WEATHER CONDITIONS WILL DEVELOP OVER SOUTHWEST NEBRASKA AND THE
SOUTHEAST NEBRASKA PANHANDLE EARLY THIS EVENING.

NEZ204-210-030000-
/O.CON.KLBF.FW.W.0003.000000T0000Z-110403T0000Z/
EASTERN PANHANDLE/CRESCENT LAKE NWR-FRENCHMAN BASIN-
405 PM CDT SAT APR 2 2011 /305 PM MDT SAT APR 2 2011/

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT /6 PM MDT/
THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER
ZONES SOUTHERN 204 AND 210...

* AFFECTED AREA...IN NEBRASKA...THE SOUTHERN HALF OF FIRE 
  WEATHER ZONE 204 EASTERN PANHANDLE/CRESCENT LAKE NWR...FIRE 
  WEATHER ZONE 210 FRENCHMAN BASIN. 

* WIND...SOUTH AND SOUTHWEST WINDS WILL INCREASE TO 15 TO 25 MPH
  WITH GUSTS TO 30 MPH.

* HUMIDITY...HUMIDITY WILL FALL TO OR BELOW 15 PERCENT ACROSS ZONE
  210 AND THE SOUTHERN HALF OF ZONE 204.

* IMPACTS...CRITICAL FIRE CONDITIONS WILL DEVELOP...ANY FIRES 
  WHICH START HAVE STRONG POTENTIAL FOR EXPLOSIVE GROWTH.

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.

&&

$$


HTTP://WEATHER.GOV/NORTHPLATTE

394 
WWUS83 KLBF 022354
RFWLBF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORTH PLATTE NE
654 PM CDT SAT APR 2 2011

...CRITICAL FIRE CONDITIONS THIS EVENING...

.STRONG SOUTH AND WEST WINDS WILL CONTINUE THIS EVENING WITH WARM
AND VERY DRY CONDITIONS...ESPECIALLY OVER SOUTHWESTERN NEBRASKA.
CRITICAL FIRE WEATHER CONDITIONS WILL CONTINUE THROUGH EARLY THIS
EVENING.

NEZ204-210-030200-
/O.EXT.KLBF.FW.W.0003.000000T0000Z-110403T0200Z/
EASTERN PANHANDLE/CRESCENT LAKE NWR-FRENCHMAN BASIN-
654 PM CDT SAT APR 2 2011 /554 PM MDT SAT APR 2 2011/

...RED FLAG WARNING NOW IN EFFECT UNTIL 9 PM CDT /8 PM MDT/ THIS
EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES
SOUTHERN 204 AND 210...

THE RED FLAG WARNING IS NOW IN EFFECT UNTIL 9 PM CDT /8 PM MDT/
THIS EVENING. 

* AFFECTED AREA...IN NEBRASKA...THE SOUTHERN HALF OF FIRE 
  WEATHER ZONE 204 EASTERN PANHANDLE/CRESCENT LAKE NWR...FIRE 
  WEATHER ZONE 210 FRENCHMAN BASIN.

* WIND...SOUTH AND SOUTHWEST WINDS OF 15 TO 25 MPH WITH GUSTS TO
  30 MPH WILL BECOME WEST IN SOME LOCATIONS.

* HUMIDITY...HUMIDITY WILL CONTINUE AT OR BELOW 15 PERCENT ACROSS
  ZONE 210 AND THE SOUTHERN HALF OF ZONE 204.

* IMPACTS...CRITICAL FIRE CONDITIONS CONTINUE AND ANY FIRES WHICH
  START HAVE STRONG POTENTIAL FOR EXPLOSIVE GROWTH.

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.

&&

$$

CDC
HTTP://WEATHER.GOV/NORTHPLATTE

360 
WWUS83 KLBF 030158 AAA
RFWLBF

URGENT - FIRE WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE NORTH PLATTE NE
858 PM CDT SAT APR 2 2011

NEZ204-210-030300-
/O.CAN.KLBF.FW.W.0003.000000T0000Z-110403T0200Z/
EASTERN PANHANDLE/CRESCENT LAKE NWR-FRENCHMAN BASIN-
858 PM CDT SAT APR 2 2011 /758 PM MDT SAT APR 2 2011/

...RED FLAG WARNING IS CANCELLED FOR GUSTY WINDS AND LOW HUMIDITY
FOR FIRE WEATHER ZONES SOUTHERN 204 AND 210...

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS CANCELLED THE
RED FLAG WARNING. 

WINDS HAVE DECREASED BELOW 15 MPH...TEMPERATURES ARE FALLING AND
HUMIDITY HAS RISEN TO SAFE LEVELS. FIRE DANGER HAS FALLEN CONSIDERABLY.

THE RED FLAG WARNING IS CANCELLED.


$$


HTTP://WEATHER.GOV/NORTHPLATTE

Nearby

Red Flag Warnings in Nebraska, 2011 Every red flag warning in 2011

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.