Alert archive / Rhode Island / Red Flag Warnings in 2007

Red Flag Warning 8, NWS Boston/Norton, MA

May 13, 2007Providence County, Rhode Island; Norfolk County, Massachusetts

NWS Boston/Norton, MA issued this red flag warning at May 13, 2007, 3:50 AM EDT for Providence County, Rhode Island; Norfolk County, Massachusetts. It took effect at May 13, 2007, 3:00 PM EDT. It was in force for 3 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: May 13, 2007, 3:50 AM EDT (07:50 UTC)
In effect from: May 13, 2007, 3:00 PM EDT
Expired: May 13, 2007, 6:00 PM EDT
In force: 3 hr
Issued by: NWS Boston/Norton, MA

Counties Norfolk County, MA, Providence County, RI

The radar

The Boston radar (KBOX), 21 km from the middle of the area, began a volume at 07:53 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, 7.8 hours before the alert went out and 123 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: 1650 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: -105 m²/s²
0-3 km storm-relative helicity: -51 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 130750
RFWBOX

RED FLAG WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
350 AM EDT SUN MAY 13 2007

...A VERY DRY NORTHWEST FLOW WILL BRING AN ELEVATED FIRE HAZARD
SUNDAY AFTERNOON AND EVENING TO PORTIONS OF SOUTHERN NEW
ENGLAND...

MAZ015>023-RIZ002>007-130900-
/O.CAN.KBOX.FW.A.0010.070513T1600Z-070514T0000Z/
SUFFOLK MA-EASTERN NORFOLK MA-NORTHERN BRISTOL MA-
WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA-SOUTHERN BRISTOL MA-
SOUTHERN PLYMOUTH MA-BARNSTABLE MA-DUKES MA-
SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-EASTERN KENT RI-
BRISTOL RI-WASHINGTON RI-NEWPORT RI-
350 AM EDT SUN MAY 13 2007

...FIRE WEATHER WATCH IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS CANCELLED THE FIRE
WEATHER WATCH. 

WHILE WINDS WILL BECOME A BIT GUSTY THIS AFTERNOON...MOST GUSTS FROM
BOSTON THROUGH SOUTHEASTERN MASSACHUSETTS AND MOST OF SOUTHERN AND
EASTERN RHODE ISLAND SHOULD REMAIN JUST BELOW 25 MPH. 

FORECASTERS WILL REEVALUATE THE SITUATION DURING THE DAY AND IF STRONGER
GUSTS ARE EXPECTED...AN UPGRADED STATEMENT WOULD FOLLOW.

NEVERTHELESS...GREAT CARE SHOULD BE EXERCISED IN OUTDOOR MAINTENANCE
AND DISCARDING OF ANY SMOKING MATERIALS...SINCE RAINFALL THE FIRST
12 DAYS OF MAY HAS ESSENTIALLY BEEN LESS THAN ONE QUARTER INCH.

$$

MAZ013-NHZ011-012-015-RIZ001-131600-
/O.UPG.KBOX.FW.A.0010.070513T1600Z-070514T0000Z/
/O.NEW.KBOX.FW.W.0008.070513T1900Z-070513T2200Z/
WESTERN NORFOLK MA-CHESHIRE NH-EASTERN HILLSBOROUGH NH-
WESTERN AND CENTRAL HILLSBOROUGH NH-NORTHWEST PROVIDENCE RI-
350 AM EDT SUN MAY 13 2007

...RED FLAG WARNING IN EFFECT FROM 3 PM TO 6 PM EDT THIS
AFTERNOON...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 3 PM TO 6 PM EDT THIS AFTERNOON. THE
WARNING COVERS SOUTH CENTRAL NEW HAMPSHIRE...NORFOLK COUNTY MASSACHUSETTS
AND THE NORTHWEST HILLS OF RHODE ISLAND. THE FIRE WEATHER WATCH IS NO
LONGER IN EFFECT.

NORTHWEST WINDS ARE EXPECTED TO INCREASE TO 10 TO 20 MPH WITH GUSTS
TO 25 MPH IN THE WARNING AREA DURING MID AND LATE AFTERNOON. 
HUMIDITY LEVELS WILL DROP TO 10 TO 20 PERCENT THIS AFTERNOON.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS 
WILL DEVELOP LATER TODAY. A COMBINATION OF STRONGER WINDS...LOW
RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE
GROWTH POTENTIAL.

$$

DRAG

2 follow-up statements

000 
WWUS81 KBOX 131311
RFWBOX

RED FLAG WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
911 AM EDT SUN MAY 13 2007

...A VERY DRY NORTHWEST FLOW WILL BRING AN ELEVATED FIRE HAZARD
THIS AFTERNOON AND EVENING TO PORTIONS OF SOUTHERN NEW ENGLAND...

MAZ013-NHZ011-012-015-RIZ001-132115-
/O.CON.KBOX.FW.W.0008.070513T1900Z-070513T2200Z/
WESTERN NORFOLK MA-CHESHIRE NH-EASTERN HILLSBOROUGH NH-
WESTERN AND CENTRAL HILLSBOROUGH NH-NORTHWEST PROVIDENCE RI-
911 AM EDT SUN MAY 13 2007

...RED FLAG WARNING REMAINS IN EFFECT FROM 3 PM TO 6 PM EDT THIS
AFTERNOON...

A RED FLAG WARNING REMAINS IN EFFECT FROM 3 PM TO 6 PM EDT THIS
AFTERNOON. THE WARNING COVERS SOUTH CENTRAL NEW HAMPSHIRE...NORFOLK
COUNTY MASSACHUSETTS AND THE NORTHWEST HILLS OF RHODE ISLAND.

NORTH TO NORTHWEST WINDS ARE EXPECTED TO INCREASE TO 10 TO 20 MPH WITH
GUSTS TO 25 MPH IN THE WARNING AREA DURING THE MID AND LATE
AFTERNOON. HUMIDITY LEVELS WILL DROP TO 10 TO 20 PERCENT THIS
AFTERNOON.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
WILL DEVELOP LATER TODAY. A COMBINATION OF STRONGER WINDS...LOW
RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE
FIRE GROWTH POTENTIAL.

$$

FRANK/DRAG

000 
WWUS81 KBOX 132006
RFWBOX

RED FLAG WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
406 PM EDT SUN MAY 13 2007

...A VERY DRY NORTHWEST FLOW WILL CONTINUE TO BRING AN ELEVATED 
FIRE HAZARD THROUGH EARLY EVENING IN SOUTHWESTERN NEW HAMPSHIRE...

MAZ013-RIZ001-132115-
/O.CAN.KBOX.FW.W.0008.000000T0000Z-070513T2200Z/
WESTERN NORFOLK MA-NORTHWEST PROVIDENCE RI-
406 PM EDT SUN MAY 13 2007

...RED FLAG WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS CANCELLED THE RED
FLAG WARNING FOR WESTERN NORFOLK AND NORTHWEST PROVIDENCE COUNTIES
IN EASTERN MASSACHUSETTS AND NORTHERN RHODE ISLAND. 

A DRY NORTHWEST FLOW HAS ALLOWED HUMIDITY LEVELS TO DROP BETWEEN 10
AND 20 PERCENT THIS AFTERNOON. HOWEVER WIND SPEEDS RANGE FROM 10 TO
20 MPH WHICH IS LOWER THAN PREVIOUSLY EXPECTED. ALTHOUGH AN ELEVATED
FIRE RISK REMAINS ACROSS WESTERN NORFOLK AND NORTHWEST PROVIDENCE
COUNTIES...THE RED FLAG WARNING HAS BEEN CANCELLED.

$$

NHZ011-012-015-132200-
/O.CON.KBOX.FW.W.0008.000000T0000Z-070513T2200Z/
CHESHIRE NH-EASTERN HILLSBOROUGH NH-
WESTERN AND CENTRAL HILLSBOROUGH NH-
406 PM EDT SUN MAY 13 2007

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM EDT THIS
AFTERNOON...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM EDT THIS
AFTERNOON FOR SOUTHWESTERN NEW HAMPSHIRE. 

NORTH TO NORTHWEST WINDS FROM 10 TO 20 MPH WITH GUSTS TO 25 MPH
CONTINUE IN THE WARNING AREA THROUGH 6 PM. HUMIDITY LEVELS 
WILL HOLD STEADY IN THE 10 TO 20 PERCENT RANGE...THEN BEGIN TO
RISE AFTER SUNSET. THE COMBINATION OF THESE METEOROLOGICAL
CONDITIONS CONTINUE TO WARRANT THE RED FLAG WARNING IN SOUTHWESTERN
NEW HAMPSHIRE.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
WILL DEVELOP LATER TODAY. A COMBINATION OF STRONGER WINDS...LOW
RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE
FIRE GROWTH POTENTIAL.

$$

STRAUSS

The office that day

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

Issued	Product	Office	Counties	Lasted
May 13, 3:59 AM EDT	Frost Advisory	BOX	Kent, Providence, Washington	26 hr
May 13, 3:57 PM EDT	Freeze Warning	BOX	Hampden, Hampshire	14 hr

Nearby

Red Flag Warnings in Rhode Island, 2007 Red Flag Warnings in Massachusetts, 2007 Red Flag Warnings in New Hampshire, 2007 Every red flag warning in 2007

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.