Alert archive / Massachusetts / Red Flag Warnings in 2007
Red Flag Warning 9, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this red flag warning at May 15, 2007, 4:32 AM EDT for 10 counties in Massachusetts; Bristol County, Kent County, Providence County, Rhode Island; Capitol Planning Region, Northeastern Connecticut Planning Region, Connecticut. It took effect at May 15, 2007, 11:00 AM EDT. It was in force for 5 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 15, 2007, 4:32 AM EDT (08:32 UTC)
- In effect from
- May 15, 2007, 11:00 AM EDT
- Expired
- May 15, 2007, 4:26 PM EDT
- In force
- 5 hr
- Issued by
- NWS Boston/Norton, MA
Counties Capitol Planning Region, CT, Northeastern Connecticut Planning Region, CT, Bristol County, MA, Essex County, MA, Franklin County, MA, Hampden County, MA, Hampshire County, MA, Middlesex County, MA, Norfolk County, MA, Plymouth County, MA, Suffolk County, MA, Worcester County, MA, Bristol County, RI, Kent County, RI, Providence County, RI
The radar
The Boston radar (KBOX), 48 km from the middle of the area, began a volume at 08:32 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
Chatham, MA (KCHH), launched 00:00Z, 8.5 hours before the alert went out and 149 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2189 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 106 m²/s²
- 0-3 km storm-relative helicity
- 120 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS81 KBOX 150832 RFWBOX RED FLAG WARNING NATIONAL WEATHER SERVICE TAUNTON MA 432 AM EDT TUE MAY 15 2007 CTZ002>004-MAZ002>019-026-NHZ011-012-015-RIZ001>005-151645- /O.UPG.KBOX.FW.A.0011.070515T1500Z-070516T0000Z/ /O.NEW.KBOX.FW.W.0009.070515T1500Z-070516T0000Z/ HARTFORD CT-TOLLAND CT-WINDHAM CT-WESTERN FRANKLIN MA- EASTERN FRANKLIN MA-NORTHERN WORCESTER MA-CENTRAL MIDDLESEX MA- WESTERN ESSEX MA-EASTERN ESSEX MA-WESTERN HAMPSHIRE MA- WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-EASTERN HAMPDEN MA- SOUTHERN WORCESTER MA-WESTERN NORFOLK MA-SOUTHEAST MIDDLESEX MA- SUFFOLK MA-EASTERN NORFOLK MA-NORTHERN BRISTOL MA- WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA-NORTHERN MIDDLESEX MA- CHESHIRE NH-EASTERN HILLSBOROUGH NH- WESTERN AND CENTRAL HILLSBOROUGH NH-NORTHWEST PROVIDENCE RI- SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-EASTERN KENT RI- BRISTOL RI- 432 AM EDT TUE MAY 15 2007 ...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT THIS EVENING FOR CENTRAL AND NORTHERN RHODE ISLAND...AS WELL AS INTERIOR SOUTHEAST MASSACHUSETTS. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. SOUTHWEST WINDS ARE EXPECTED TO INCREASE TO BETWEEN 20 AND 30 MPH WITH GUSTS BETWEEN 35 AND 45 MPH LATE THIS MORNING AND INTO THE AFTERNOON. ALTHOUGH DEW POINT TEMPERATURES WILL BE INCREASING TODAY...THE AIR TEMPERATURE WILL ALSO BE WARMER AND THUS MINIMUM AFTERNOON RELATIVE HUMIDITY VALUES ARE STILL EXPECTED TO FALL TO BETWEEN 25 AND 30 PERCENT. IN ADDITION...THIS REGION HAS BEEN VERY DRY DURING THE LAST TWO WEEKS WITH MOST LOCATIONS RECEIVING LESS THAN ONE THIRD INCH OF RAIN. LIGHTNING IS ALSO POSSIBILITY AS SCATTERED STRONG THUNDERSTORMS MAY DEVELOP IN SOUTHWEST NEW HAMPSHIRE AND NORTHWEST AND NORTH CENTRAL MASSACHUSETTS LATE THIS AFTERNOON AND EVENING. 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. $$ FIELD
2 follow-up statements
000 WWUS81 KBOX 151242 RFWBOX RED FLAG WARNING NATIONAL WEATHER SERVICE TAUNTON MA 842 AM EDT TUE MAY 15 2007 MAZ002>007-014-015-026-NHZ011-012-015-151345- /O.CAN.KBOX.FW.W.0009.070515T1500Z-070516T0000Z/ WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-NORTHERN WORCESTER MA- CENTRAL MIDDLESEX MA-WESTERN ESSEX MA-EASTERN ESSEX MA- SOUTHEAST MIDDLESEX MA-SUFFOLK MA-NORTHERN MIDDLESEX MA- CHESHIRE NH-EASTERN HILLSBOROUGH NH- WESTERN AND CENTRAL HILLSBOROUGH NH- 842 AM EDT TUE MAY 15 2007 ...RED FLAG WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN TAUNTON HAS CANCELLED THE RED FLAG WARNING NORTH OF THE MASSACHUSETTS TURNPIKE. WHILE GUSTY SOUTHWEST WINDS ARE EXPECTED TODAY...THERE WILL BE MORE CLOUDS ALONG WITH SCATTERED SHOWERS WHICH WILL KEEP TEMPERATURES COOLER THAN PREVIOUSLY FORECASTED. HIGH TEMPERATURES WILL BE MAINLY IN THE 70S WITH MINIMUM RELATIVE HUMIDITIES REMAINING ABOVE THE CRITICAL THRESHOLD OF 30 PERCENT. THUS THE RED FLAG WARNING HAS BEEN CANCELLED NORTH OF THE MASSACHUSETTS TURNPIKE. $$ CTZ002>004-MAZ008>013-016>019-RIZ001>005-152045- /O.CON.KBOX.FW.W.0009.070515T1500Z-070516T0000Z/ HARTFORD CT-TOLLAND CT-WINDHAM CT-WESTERN HAMPSHIRE MA- WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-EASTERN HAMPDEN MA- SOUTHERN WORCESTER MA-WESTERN NORFOLK MA-EASTERN NORFOLK MA- NORTHERN BRISTOL MA-WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA- NORTHWEST PROVIDENCE RI-SOUTHEAST PROVIDENCE RI-WESTERN KENT RI- EASTERN KENT RI-BRISTOL RI- 842 AM EDT TUE MAY 15 2007 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING. SOUTHWEST WINDS ARE EXPECTED TO INCREASE TO BETWEEN 20 AND 30 MPH WITH GUSTS BETWEEN 35 AND 45 MPH LATE THIS MORNING AND INTO THE AFTERNOON. ALTHOUGH DEW POINT TEMPERATURES WILL BE INCREASING TODAY...THE AIR TEMPERATURE WILL ALSO BE WARMER AND THUS MINIMUM AFTERNOON RELATIVE HUMIDITY VALUES ARE STILL EXPECTED TO FALL TO BETWEEN 25 AND 30 PERCENT. IN ADDITION...THIS REGION HAS BEEN VERY DRY DURING THE LAST TWO WEEKS WITH MOST LOCATIONS RECEIVING LESS THAN ONE THIRD INCH OF RAIN. LIGHTNING IS ALSO POSSIBILITY AS SCATTERED STRONG THUNDERSTORMS MAY DEVELOP IN SOUTHWEST NEW HAMPSHIRE AND NORTHWEST AND NORTH CENTRAL MASSACHUSETTS LATE THIS AFTERNOON AND EVENING. 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. $$ KJC
000 WWUS81 KBOX 152026 RFWBOX RED FLAG WARNING NATIONAL WEATHER SERVICE TAUNTON MA 426 PM EDT TUE MAY 15 2007 CTZ002>004-MAZ008>013-016>019-RIZ001>005-152130- /O.CAN.KBOX.FW.W.0009.000000T0000Z-070516T0000Z/ HARTFORD CT-TOLLAND CT-WINDHAM CT-WESTERN HAMPSHIRE MA- WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-EASTERN HAMPDEN MA- SOUTHERN WORCESTER MA-WESTERN NORFOLK MA-EASTERN NORFOLK MA- NORTHERN BRISTOL MA-WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA- NORTHWEST PROVIDENCE RI-SOUTHEAST PROVIDENCE RI-WESTERN KENT RI- EASTERN KENT RI-BRISTOL RI- 426 PM EDT TUE MAY 15 2007 ...RED FLAG WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN TAUNTON HAS CANCELLED THE RED FLAG WARNING. WINDS WILL DIMINISH AND RELATIVE HUMIDITY VALUES WILL INCREASE EARLY THIS EVENING. $$
The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 15, 5:41 PM EDT | Severe Thunderstorm Warning | BOX | Hampshire | 34 min |
| May 15, 5:51 PM EDT | Severe Thunderstorm Warning | BOX | Hampden, Worcester | 39 min |
| May 15, 6:44 PM EDT | Severe Thunderstorm Warning | BOX | Hampden | 46 min |
| May 15, 6:55 PM EDT | Severe Thunderstorm Warning | BOX | Capitol Planning Region | 26 min |
Nearby
Red Flag Warnings in Massachusetts, 2007Red Flag Warnings in Rhode Island, 2007Red Flag Warnings in Connecticut, 2007Every 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.