Alert archive / Rhode Island / Red Flag Warnings in 2006

Red Flag Warning 9, NWS Boston/Norton, MA

April 30, 20065 counties in Rhode Island; Bristol County, Norfolk County, Plymouth County, Massachusetts

NWS Boston/Norton, MA issued this red flag warning at Apr 30, 2006, 2:53 AM EDT for 5 counties in Rhode Island; Bristol County, Norfolk County, Plymouth County, Massachusetts. It took effect at Apr 30, 2006, 10:00 AM EDT. It was in force for 9 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, 2006, 2:53 AM EDT (06:53 UTC)
In effect from
Apr 30, 2006, 10:00 AM EDT
Expired
Apr 30, 2006, 7:00 PM EDT
In force
9 hr
Issued by
NWS Boston/Norton, MA

Counties Bristol County, MA, Norfolk County, MA, Plymouth County, MA, Bristol County, RI, Kent County, RI, Newport County, RI, Providence County, RI, Washington County, RI

The radar

The Boston radar (KBOX), 26 km from the middle of the area, began a volume at 06:50 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

Chatham, MA (KCHH), launched 00:00Z, 6.9 hours before the alert went out and 110 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, Chatham, MA at 00:00Z on 2006-04-30Temperature 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, Chatham, MA at 00:00Z on 2006-04-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -110 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
2399 m above ground
0-6 km bulk shear
4 kt
0-1 km storm-relative helicity
-110 m²/s²
0-3 km storm-relative helicity
-102 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.

000 
WWUS81 KBOX 300653
RFWBOX

RED FLAG WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
253 AM EDT SUN APR 30 2006


MAZ013-017-018-020-021-RIZ001>007-301500-
/O.NEW.KBOX.FW.W.0009.060430T1400Z-060430T2300Z/
WESTERN NORFOLK MA-NORTHERN BRISTOL MA-WESTERN PLYMOUTH MA-
SOUTHERN BRISTOL MA-SOUTHERN PLYMOUTH MA-NORTHWEST PROVIDENCE RI-
SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-EASTERN KENT RI-
BRISTOL RI-WASHINGTON RI-NEWPORT RI-
253 AM EDT SUN APR 30 2006

...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 7 PM EDT
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO 7 PM EDT
THIS EVENING FOR RHODE ISLAND AND A GOOD CHUNK OF SOUTHEAST 
MASSACHUSETTS.

MEASURABLE RAINFALL HAS NOT OCCURRED ACROSS THE REGION SINCE TUESDAY
AND AMOUNTS FROM THAT EVENT WERE VERY LIGHT.  MINIMUM AFTERNOON
RELATIVE HUMIDITIES ARE EXPECTED TO DROP TO BETWEEN 15 AND 25
PERCENT THIS AFTERNOON AND COMBINE WITH NORTHEAST WIND GUSTS OF 25
MPH. SINCE WE ARE STILL A FEW WEEKS AWAY FROM FULL GREEN-UP A RED
FLAG WARNING HAS BEEN ISSUED.

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.

$$

FRANK
3 follow-up statements
000 
WWUS81 KBOX 301444
RFWBOX

RED FLAG WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
1044 AM EDT SUN APR 30 2006

MAZ013-017-018-020-021-RIZ001>007-302245-
/O.CON.KBOX.FW.W.0009.000000T0000Z-060430T2300Z/
WESTERN NORFOLK MA-NORTHERN BRISTOL MA-WESTERN PLYMOUTH MA-
SOUTHERN BRISTOL MA-SOUTHERN PLYMOUTH MA-NORTHWEST PROVIDENCE RI-
SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-EASTERN KENT RI-
BRISTOL RI-WASHINGTON RI-NEWPORT RI-
1044 AM EDT SUN APR 30 2006

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM EDT THIS
EVENING...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING.

MEASURABLE RAINFALL HAS NOT OCCURRED ACROSS THE REGION SINCE
TUESDAY AND AMOUNTS FROM THAT EVENT WERE VERY LIGHT.  MINIMUM
AFTERNOON RELATIVE HUMIDITIES ARE EXPECTED TO DROP TO BETWEEN
15 AND 25 PERCENT THIS AFTERNOON AND COMBINE WITH NORTHEAST WIND
GUSTS OF 25 MPH. SINCE WE ARE STILL A FEW WEEKS AWAY FROM FULL
GREEN-UP A RED FLAG WARNING HAS BEEN ISSUED.

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.

$$
FIELD
000 
WWUS81 KBOX 302003
RFWBOX

RED FLAG WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
403 PM EDT SUN APR 30 2006

MAZ013-017-RIZ001-002-302300-
/O.NEW.KBOX.FW.A.0008.060501T1500Z-060501T2300Z/
/O.CON.KBOX.FW.W.0009.000000T0000Z-060430T2300Z/
WESTERN NORFOLK MA-NORTHERN BRISTOL MA-NORTHWEST PROVIDENCE RI-
SOUTHEAST PROVIDENCE RI-
403 PM EDT SUN APR 30 2006

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM EDT THIS
EVENING...
...FIRE WEATHER WATCH IN EFFECT FROM MONDAY MORNING THROUGH
MONDAY EVENING...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A FIRE WEATHER
WATCH...WHICH IS IN EFFECT FROM MONDAY MORNING THROUGH MONDAY
EVENING. A RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM EDT THIS
EVENING. 

RED FLAG CONDITIONS WILL PERSIST THROUGH THE AFTERNOON AS RELATIVE
HUMIDITIES OF 15 TO 25 PERCENT COMBINE WITH NORTH TO NORTHEAST WINDS
GUSTING TO 25 MPH. SHOULD A FIRE START...THESE CONDITIONS ARE
FAVORABLE FOR RAPID FIRE SPREAD.

ANOTHER BREEZY AND DRY DAY IS EXPECTED ON MONDAY SO A FIRE WEATHER
WATCH HAS BEEN ISSUED. CONDITIONS WILL LIKELY REACH RED FLAG AGAIN
ON MONDAY AS MINIMUM AFTERNOON RELATIVE HUMIDITIES DROP TO BETWEEN
15 AND 25 PERCENT COMBINED WITH NORTHEAST WIND GUSTS OF 25 MPH.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE
EITHER OCCURRING NOW. A COMBINATION OF STRONG WINDS AND LOW RELATIVE
HUMIDITY WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

$$

MAZ018-020-021-RIZ003>007-302300-
/O.CON.KBOX.FW.W.0009.000000T0000Z-060430T2300Z/
WESTERN PLYMOUTH MA-SOUTHERN BRISTOL MA-SOUTHERN PLYMOUTH MA-
WESTERN KENT RI-EASTERN KENT RI-BRISTOL RI-WASHINGTON RI-
NEWPORT RI-
403 PM EDT SUN APR 30 2006

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM EDT THIS
EVENING...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING.

RED FLAG CONDITIONS WILL PERSIST THROUGH THE AFTERNOON AS RELATIVE
HUMIDITIES OF 15 TO 25 PERCENT COMBINE WITH NORTH TO NORTHEAST WINDS
GUSTING TO 25 MPH. SHOULD A FIRE START...THESE CONDITIONS ARE
FAVORABLE FOR RAPID FIRE SPREAD.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS AND LOW RELATIVE HUMIDITY WILL CREATE EXPLOSIVE FIRE
GROWTH POTENTIAL.

$$

CTZ002>004-MAZ002>006-008>012-026-NHZ011-012-015-010415-
/O.NEW.KBOX.FW.A.0008.060501T1500Z-060501T2300Z/
HARTFORD CT-TOLLAND CT-WINDHAM CT-WESTERN FRANKLIN MA-
EASTERN FRANKLIN MA-NORTHERN WORCESTER MA-CENTRAL MIDDLESEX MA-
WESTERN ESSEX MA-WESTERN HAMPSHIRE MA-WESTERN HAMPDEN MA-
EASTERN HAMPSHIRE MA-EASTERN HAMPDEN MA-SOUTHERN WORCESTER MA-
NORTHERN MIDDLESEX MA-CHESHIRE NH-EASTERN HILLSBOROUGH NH-
WESTERN AND CENTRAL HILLSBOROUGH NH-
403 PM EDT SUN APR 30 2006

...FIRE WEATHER WATCH IN EFFECT FROM MONDAY MORNING THROUGH
MONDAY EVENING...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A FIRE WEATHER
WATCH...WHICH IS IN EFFECT FROM MONDAY MORNING THROUGH MONDAY
EVENING. 

ANOTHER VERY DRY DAY COMBINED WITH INCREASING WINDS WILL RESULT IN
AN ELEVATED FIRE WEATHER THREAT ON MONDAY...SO A FIRE WEATHER WATCH
HAS BEEN ISSUED. CONDITIONS WILL LIKELY REACH RED FLAG ON MONDAY AS
MINIMUM AFTERNOON RELATIVE HUMIDITIES DROP TO BETWEEN 15 AND 20
PERCENT COMBINED WITH NORTHEAST WIND GUSTS OF 25 MPH.

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

$$

KJC
000 
WWUS81 KBOX 302315
RFWBOX

RED FLAG WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
715 PM EDT SUN APR 30 2006

MAZ013-017-RIZ001-002-010900-
/O.EXP.KBOX.FW.W.0009.000000T0000Z-060430T2300Z/
/O.CON.KBOX.FW.A.0008.060501T1500Z-060501T2300Z/
WESTERN NORFOLK MA-NORTHERN BRISTOL MA-NORTHWEST PROVIDENCE RI-
SOUTHEAST PROVIDENCE RI-
715 PM EDT SUN APR 30 2006

...RED FLAG WARNING HAS EXPIRED...
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM MONDAY MORNING
THROUGH MONDAY EVENING...

THE RED FLAG WARNING IS NO LONGER IN EFFECT. A FIRE WEATHER WATCH
REMAINS IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING. 

ANOTHER BREEZY AND DRY DAY IS EXPECTED ON MONDAY SO A FIRE WEATHER
WATCH HAS BEEN ISSUED. CONDITIONS WILL LIKELY REACH RED FLAG AGAIN ON
MONDAY AS MINIMUM AFTERNOON RELATIVE HUMIDITIES DROP TO BETWEEN 15
AND 25 PERCENT COMBINED WITH NORTHEAST WIND GUSTS OF 25 MPH.

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE
FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG
WARNINGS.

$$

MAZ018-020-021-RIZ003>007-010015-
/O.EXP.KBOX.FW.W.0009.000000T0000Z-060430T2300Z/
WESTERN PLYMOUTH MA-SOUTHERN BRISTOL MA-SOUTHERN PLYMOUTH MA-
WESTERN KENT RI-EASTERN KENT RI-BRISTOL RI-WASHINGTON RI-
NEWPORT RI-
715 PM EDT SUN APR 30 2006

...RED FLAG WARNING HAS EXPIRED...

THE RED FLAG WARNING IS NO LONGER IN EFFECT. 

$$

CTZ002>004-MAZ002>006-008>012-026-NHZ011-012-015-010900-
/O.CON.KBOX.FW.A.0008.060501T1500Z-060501T2300Z/
HARTFORD CT-TOLLAND CT-WINDHAM CT-WESTERN FRANKLIN MA-
EASTERN FRANKLIN MA-NORTHERN WORCESTER MA-CENTRAL MIDDLESEX MA-
WESTERN ESSEX MA-WESTERN HAMPSHIRE MA-WESTERN HAMPDEN MA-
EASTERN HAMPSHIRE MA-EASTERN HAMPDEN MA-SOUTHERN WORCESTER MA-
NORTHERN MIDDLESEX MA-CHESHIRE NH-EASTERN HILLSBOROUGH NH-
WESTERN AND CENTRAL HILLSBOROUGH NH-
715 PM EDT SUN APR 30 2006

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM MONDAY MORNING
THROUGH MONDAY EVENING...

A FIRE WEATHER WATCH REMAINS IN EFFECT FROM MONDAY MORNING
THROUGH MONDAY EVENING. 

ANOTHER VERY DRY DAY COMBINED WITH INCREASING WINDS WILL RESULT
IN AN ELEVATED FIRE WEATHER THREAT ON MONDAY...SO A FIRE WEATHER
WATCH HAS BEEN ISSUED. CONDITIONS WILL LIKELY REACH RED FLAG ON
MONDAY AS MINIMUM AFTERNOON RELATIVE HUMIDITIES DROP TO BETWEEN
15 AND 20 PERCENT COMBINED WITH NORTHEAST WIND GUSTS OF 25 MPH.

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

$$

The office that day

Everything else NWS Boston/Norton, MA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 30, 4:03 PM EDTFire Weather WatchBOXBristol, Kent, Newport, Providence, Washington19 hr
Apr 30, 3:45 AM EDTCoastal Flood StatementBOXBarnstable, Dukes, Essex, Nantucket, Norfolk, Plymouth and 1 more24 hr
Apr 30, 4:15 PM EDTWind AdvisoryBOXBarnstable, Dukes, Nantucket33 hr

Nearby

Red Flag Warnings in Rhode Island, 2006Red Flag Warnings in Massachusetts, 2006Every red flag warning in 2006

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.