Alert archive / North Carolina / Red Flag Warnings in 2021

Red Flag Warning 1, NWS Newport/Morehead City, NC

April 30, 202115 counties in North Carolina

NWS Newport/Morehead City, NC issued this red flag warning at Apr 30, 2021, 3:41 AM EDT for 15 counties in North Carolina. It took effect at Apr 30, 2021, 10:00 AM EDT. It was in force for 10 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 30, 2021, 3:41 AM EDT (07:41 UTC)
In effect from
Apr 30, 2021, 10:00 AM EDT
Expired
Apr 30, 2021, 7:43 PM EDT
In force
10 hr
Issued by
NWS Newport/Morehead City, NC

Counties Beaufort County, NC, Carteret County, NC, Craven County, NC, Dare County, NC, Duplin County, NC, Greene County, NC, Hyde County, NC, Jones County, NC, Lenoir County, NC, Martin County, NC, Onslow County, NC, Pamlico County, NC, Pitt County, NC, Tyrrell County, NC, Washington County, NC

The radar

The Morehead City radar (KMHX), 65 km from the middle of the area, began a volume at 07:45 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

Newport, NC (KMHX), launched 00:00Z, 7.7 hours before the alert went out and 65 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, Newport, NC at 00:00Z on 2021-04-30Temperature 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, Newport, NC at 00:00Z on 2021-04-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 123 square meters per square second.193958Sfc1 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
1203 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
123 m²/s²
0-3 km storm-relative helicity
169 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

198 
WWUS82 KMHX 300741
RFWMHX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Newport/Morehead City NC
341 AM EDT Fri Apr 30 2021

...DANGEROUS FIRE WEATHER CONDITIONS EXPECTED TODAY...

.Very low humidity and gusty winds behind a cold front this
morning will combine with extremely low fuel moisture, to lead to
a high risk for rapid fire spread today.

NCZ029-044>047-079>081-090>092-094-193>196-198-199-203-301545-
/O.UPG.KMHX.FW.A.0001.210430T1600Z-210430T2300Z/
/O.NEW.KMHX.FW.W.0001.210430T1400Z-210501T0000Z/
Martin-Pitt-Washington-Tyrrell-Mainland Dare-Greene-Beaufort-
Mainland Hyde-Duplin-Lenoir-Jones-Pamlico-Northern Craven-
Southern Craven-West Carteret-East Carteret-Inland Onslow-
Coastal Onslow-Northern Outer Banks-
341 AM EDT Fri Apr 30 2021

...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 8 PM EDT
THIS EVENING FOR EASTERN NORTH CAROLINA...

The National Weather Service in Newport/Morehead City has issued
a Red Flag Warning for high fire danger, which is in effect from 
10 AM this morning to 8 PM EDT this evening. The Fire Weather 
Watch is no longer in effect.

* AFFECTED AREA...Martin, Pitt, Washington, Tyrrell, Mainland 
  Dare, Greene, Beaufort, Mainland Hyde, Duplin, Lenoir, Jones, 
  Pamlico, Northern Craven, Southern Craven, West Carteret, East 
  Carteret, Inland Onslow, Coastal Onslow and Northern Outer 
  Banks.

* TIMING...Friday afternoon through early evening.

* WINDS...Northwest 10 to 20 mph with gusts up to 30 to 35 mph.

* RELATIVE HUMIDITY...As low as 20 percent.

* TEMPERATURES...In the upper 70s.

* IMPACTS...Critical fire weather conditions are expected to
  develop today. Outdoor fires may easily grow out of control in
  these conditions. All outdoor burning is discouraged.

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.

&&

$$
2 follow-up statements
994 
WWUS82 KMHX 301606
RFWMHX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Newport/Morehead City NC
1206 PM EDT Fri Apr 30 2021

...DANGEROUS FIRE WEATHER CONDITIONS EXPECTED TODAY...

.Very low humidity, gusty winds, and extremely low fuel moisture 
will lead to a high risk for rapid fire spread today.

NCZ029-044>047-079>081-090>092-094-193>196-198-199-203-010000-
/O.CON.KMHX.FW.W.0001.000000T0000Z-210501T0000Z/
Martin-Pitt-Washington-Tyrrell-Mainland Dare-Greene-Beaufort-
Mainland Hyde-Duplin-Lenoir-Jones-Pamlico-Northern Craven-
Southern Craven-West Carteret-East Carteret-Inland Onslow-
Coastal Onslow-Northern Outer Banks-
1206 PM EDT Fri Apr 30 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING
FOR VERY DRY CONDITIONS AND GUSTY WINDS FOR EASTERN NORTH CAROLINA...

* AFFECTED AREA...Martin, Pitt, Washington, Tyrrell, Mainland 
  Dare, Greene, Beaufort, Mainland Hyde, Duplin, Lenoir, Jones, 
  Pamlico, Northern Craven, Southern Craven, West Carteret, East 
  Carteret, Inland Onslow, Coastal Onslow and Northern Outer 
  Banks.

* TIMING...Friday afternoon through early evening.

* WINDS...Northwest 10 to 20 mph with gusts up to 30 to 35 mph.

* RELATIVE HUMIDITY...As low as 20 percent.

* TEMPERATURES...In the upper 70s.

* IMPACTS...Critical fire weather conditions are expected to 
  develop today. Outdoor fires may easily grow out of control in 
  these conditions. All outdoor burning is discouraged.

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.

&&

$$
575 
WWUS82 KMHX 302343
RFWMHX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Newport/Morehead City NC
743 PM EDT Fri Apr 30 2021

...RED FLAG WARNINGS HAVE BEEN CANCELLED...

.Gusty winds have diminished and dew points have begun to rebound
across Eastern NC, thus the Red Flag Warning has been cancelled.

NCZ029-044>047-079>081-090>092-094-193>196-198-199-203-010045-
/O.CAN.KMHX.FW.W.0001.000000T0000Z-210501T0000Z/
Martin-Pitt-Washington-Tyrrell-Mainland Dare-Greene-Beaufort-
Mainland Hyde-Duplin-Lenoir-Jones-Pamlico-Northern Craven-
Southern Craven-West Carteret-East Carteret-Inland Onslow-
Coastal Onslow-Northern Outer Banks-
743 PM EDT Fri Apr 30 2021

...RED FLAG WARNING IS CANCELLED FOR EASTERN NC...

The National Weather Service in Newport/Morehead City has
cancelled the Red Flag Warning.

$$

The office that day

Everything else NWS Newport/Morehead City, NC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 30, 7:09 AM EDTGale WarningMHX24 hr
Apr 30, 7:09 AM EDTSmall Craft AdvisoryMHX35 hr

Nearby

Red Flag Warnings in North Carolina, 2021Every red flag warning in 2021

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.