Alert archive / New Jersey / Red Flag Warnings in 2010
Red Flag Warning 4, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this red flag warning at Apr 28, 2010, 4:12 AM EDT for 4 states. It took effect at Apr 28, 2010, 1:00 PM EDT. It was in force for 7 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 28, 2010, 4:12 AM EDT (08:12 UTC)
- In effect from
- Apr 28, 2010, 1:00 PM EDT
- Expired
- Apr 28, 2010, 8:00 PM EDT
- In force
- 7 hr
- Issued by
- NWS Philadelphia/Mount Holly
All 21 counties
Kent County, DE, New Castle County, DE, Sussex County, DE, Caroline County, MD, Cecil County, MD, Kent County, MD, Queen Anne's County, MD, Talbot County, MD, Atlantic County, NJ, Burlington County, NJ, Camden County, NJ, Cape May County, NJ, Cumberland County, NJ, Gloucester County, NJ, Mercer County, NJ, Middlesex County, NJ, Monmouth County, NJ, Ocean County, NJ, Salem County, NJ, Delaware County, PA, Philadelphia County, PA
The radar
The Philadelphia radar (KDIX), 82 km from the middle of the area, began a volume at 08:13 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
Wallops Is Stn, VA (KWAL), launched 00:00Z, 8.2 hours before the alert went out and 180 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
- 1609 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- -72 m²/s²
- 0-3 km storm-relative helicity
- 3 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
132 WWUS81 KPHI 280812 RFWPHI URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 412 AM EDT WED APR 28 2010 NJZ001-007>010-PAZ054-055-060>062-282100- /O.CAN.KPHI.FW.A.0003.100428T1700Z-100429T0200Z/ /O.NEW.KPHI.FW.A.0004.100429T1600Z-100430T0000Z/ SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-CARBON-MONROE-BERKS- LEHIGH-NORTHAMPTON- 412 AM EDT WED APR 28 2010 ...FIRE WEATHER WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH THURSDAY EVENING... ...THE FIRE WEATHER WATCH FOR TODAY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FIRE WEATHER WATCH...WHICH IS IN EFFECT FROM THURSDAY AFTERNOON THROUGH THURSDAY EVENING. THE FIRE WEATHER WATCH FOR TODAY HAS BEEN CANCELLED. DRY WEATHER IS EXPECTED TO CONTINUE THROUGH THE END OF THE WEEK WITH ONLY ISOLATED SHOWERS EXPECTED TODAY. THE FINE FUELS WILL CONTINUE TO BECOME DRIER TODAY. BUT RELATIVE HUMIDITY LEVELS ARE EXPECTED TO REMAIN ABOVE CRITICAL LEVELS. BUT ON THURSDAY, THE MOISTURE IN THE FUELS SHOULD BE WELL WITHIN THE RANGE TO PROMOTE FIRE GROWTH. ALSO...WINDS SPEEDS AND RELATIVE HUMIDITY LEVELS ARE BOTH EXPECTED TO PROMOTE FIRE GROWTH DURING THE AFTERNOON AND EARLY EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. OPEN BURNING OUTDOORS IS STRONGLY DISCOURAGED. $$ DEZ001>003-MDZ008-012-015-019-020-NJZ012-013-015>023-027- PAZ067>071-282100- /O.UPG.KPHI.FW.A.0003.100428T1700Z-100429T0200Z/ /O.NEW.KPHI.FW.W.0004.100428T1700Z-100429T0000Z/ /O.NEW.KPHI.FW.A.0004.100429T1600Z-100430T0000Z/ NEW CASTLE-KENT-INLAND SUSSEX-CECIL-KENT MD-QUEEN ANNES-TALBOT- CAROLINE-MIDDLESEX-WESTERN MONMOUTH-MERCER-SALEM-GLOUCESTER- CAMDEN-NORTHWESTERN BURLINGTON-OCEAN-CUMBERLAND-ATLANTIC-CAPE MAY- SOUTHEASTERN BURLINGTON-CHESTER-MONTGOMERY-BUCKS-DELAWARE- PHILADELPHIA- 412 AM EDT WED APR 28 2010 ...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM EDT THIS EVENING... ...FIRE WEATHER WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH THURSDAY EVENING... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM EDT THIS EVENING. A FIRE WEATHER WATCH HAS ALSO BEEN ISSUED. THIS FIRE WEATHER WATCH IS IN EFFECT FROM THURSDAY AFTERNOON THROUGH THURSDAY EVENING. DRY WEATHER IS EXPECTED TO CONTINUE THROUGH THE END OF THE WEEK. THE FINE FUELS WILL CONTINUE TO BECOME DRIER TODAY AND THE MOISTURE IN THE FUELS SHOULD BE LOW ENOUGH TO PROMOTE FIRE GROWTH. ALSO...WINDS SPEEDS AND RELATIVE HUMIDITY LEVELS ARE BOTH EXPECTED TO PROMOTE FIRE GROWTH DURING THE AFTERNOON AND EARLY EVENING. AN ADDITIONAL DAY OF DRYING COUPLED WITH HIGH WIND SPEEDS AND EVEN LOWER AFTERNOON RELATIVE HUMIDITY LEVELS SHOULD PROMOTE RAPID FIRE GROWTH DURING THE AFTERNOON AND EARLY EVENING ON THURSDAY, EVEN MORE SO THAN TODAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND FAVORABLE TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. OPEN BURNING OUTDOORS IS STRONGLY DISCOURAGED. && $$ DEZ004-NJZ014-024>026-282100- /O.NEW.KPHI.FW.W.0004.100428T1700Z-100429T0000Z/ /O.NEW.KPHI.FW.A.0004.100429T1600Z-100430T0000Z/ DELAWARE BEACHES-EASTERN MONMOUTH-ATLANTIC COASTAL CAPE MAY- COASTAL ATLANTIC-COASTAL OCEAN- 412 AM EDT WED APR 28 2010 ...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM EDT THIS EVENING... ...FIRE WEATHER WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH THURSDAY EVENING... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM EDT THIS EVENING. A FIRE WEATHER WATCH HAS ALSO BEEN ISSUED. THIS FIRE WEATHER WATCH IS IN EFFECT FROM THURSDAY AFTERNOON THROUGH THURSDAY EVENING. DRY WEATHER IS EXPECTED TO CONTINUE THROUGH THE END OF THE WEEK. THE FINE FUELS WILL CONTINUE TO BECOME DRIER TODAY AND THE MOISTURE IN THE FUELS SHOULD BE LOW ENOUGH TO PROMOTE FIRE GROWTH. ALSO...WINDS SPEEDS AND RELATIVE HUMIDITY LEVELS ARE BOTH EXPECTED TO PROMOTE FIRE GROWTH DURING THE AFTERNOON AND EARLY EVENING. AN ADDITIONAL DAY OF DRYING COUPLED WITH HIGH WIND SPEEDS AND EVEN LOWER AFTERNOON RELATIVE HUMIDITY LEVELS SHOULD PROMOTE RAPID FIRE GROWTH DURING THE AFTERNOON AND EARLY EVENING ON THURSDAY, EVEN MORE SO THAN TODAY. 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 FAVORABLE TEMPERATURES 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. OPEN BURNING OUTDOORS IS STRONGLY DISCOURAGED. $$ TFG
2 follow-up statements
821 WWUS81 KPHI 281945 RFWPHI URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 345 PM EDT WED APR 28 2010 DEZ001>004-MDZ008-012-015-019-020-NJZ012>027-PAZ067>071-290000- /O.CON.KPHI.FW.W.0004.000000T0000Z-100429T0000Z/ /O.CON.KPHI.FW.A.0004.100429T1600Z-100430T0000Z/ NEW CASTLE-KENT-INLAND SUSSEX-DELAWARE BEACHES-CECIL-KENT MD- QUEEN ANNES-TALBOT-CAROLINE-MIDDLESEX-WESTERN MONMOUTH- EASTERN MONMOUTH-MERCER-SALEM-GLOUCESTER-CAMDEN- NORTHWESTERN BURLINGTON-OCEAN-CUMBERLAND-ATLANTIC-CAPE MAY- ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-COASTAL OCEAN- SOUTHEASTERN BURLINGTON-CHESTER-MONTGOMERY-BUCKS-DELAWARE- PHILADELPHIA- 345 PM EDT WED APR 28 2010 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON THROUGH THURSDAY EVENING... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING. A FIRE WEATHER WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON THROUGH THURSDAY EVENING. DRY WEATHER IS EXPECTED TO CONTINUE THROUGH THE END OF THE WEEK. THE FINE FUELS WILL CONTINUE TO BECOME DRIER TODAY AND THE MOISTURE IN THE FUELS SHOULD BE LOW ENOUGH TO PROMOTE FIRE GROWTH. ALSO...WINDS SPEEDS AND RELATIVE HUMIDITY LEVELS ARE BOTH EXPECTED TO PROMOTE FIRE GROWTH DURING THE AFTERNOON AND EARLY EVENING. AN ADDITIONAL DAY OF DRYING COUPLED WITH HIGH WIND SPEEDS AND EVEN LOWER AFTERNOON RELATIVE HUMIDITY LEVELS SHOULD PROMOTE RAPID FIRE GROWTH DURING THE AFTERNOON AND EARLY EVENING ON THURSDAY... EVEN MORE SO THAN TODAY. 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 FAVORABLE TEMPERATURES 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. OPEN BURNING OUTDOORS IS STRONGLY DISCOURAGED. $$ NJZ001-007>010-PAZ054-055-060>062-290000- /O.CON.KPHI.FW.A.0004.100429T1600Z-100430T0000Z/ SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-CARBON-MONROE-BERKS- LEHIGH-NORTHAMPTON- 345 PM EDT WED APR 28 2010 ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON THROUGH THURSDAY EVENING... A FIRE WEATHER WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON THROUGH THURSDAY EVENING. DRY WEATHER IS EXPECTED TO CONTINUE THROUGH THE END OF THE WEEK WITH ONLY ISOLATED SHOWERS EXPECTED TODAY. THE FINE FUELS WILL CONTINUE TO BECOME DRIER TODAY. BUT RELATIVE HUMIDITY LEVELS ARE EXPECTED TO REMAIN ABOVE CRITICAL LEVELS. BUT ON THURSDAY... THE MOISTURE IN THE FUELS SHOULD BE WELL WITHIN THE RANGE TO PROMOTE FIRE GROWTH. ALSO...WINDS SPEEDS AND RELATIVE HUMIDITY LEVELS ARE BOTH EXPECTED TO PROMOTE FIRE GROWTH DURING THE AFTERNOON AND EARLY EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. OPEN BURNING OUTDOORS IS STRONGLY DISCOURAGED. $$
712 WWUS81 KPHI 282355 RFWPHI URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 755 PM EDT WED APR 28 2010 DEZ001>004-MDZ008-012-015-019-020-NJZ012>027-PAZ067>071-291015- /O.EXP.KPHI.FW.W.0004.000000T0000Z-100429T0000Z/ /O.UPG.KPHI.FW.A.0004.100429T1600Z-100430T0000Z/ /O.NEW.KPHI.FW.W.0005.100429T1600Z-100430T0000Z/ NEW CASTLE-KENT-INLAND SUSSEX-DELAWARE BEACHES-CECIL-KENT MD- QUEEN ANNES-TALBOT-CAROLINE-MIDDLESEX-WESTERN MONMOUTH- EASTERN MONMOUTH-MERCER-SALEM-GLOUCESTER-CAMDEN- NORTHWESTERN BURLINGTON-OCEAN-CUMBERLAND-ATLANTIC-CAPE MAY- ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-COASTAL OCEAN- SOUTHEASTERN BURLINGTON-CHESTER-MONTGOMERY-BUCKS-DELAWARE- PHILADELPHIA- 755 PM EDT WED APR 28 2010 ...RED FLAG WARNING IN EFFECT FROM NOON TO 8 PM EDT THURSDAY... ...RED FLAG WARNING WILL EXPIRE AT 8 PM EDT THIS EVENING... THE RED FLAG WARNING FOR TODAY WILL BE ALLOWED TO EXPIRE AT 8 PM. TEMPERATURES WILL DROP AFTER SUNSET AND RELATIVE HUMIDITY VALUES WILL THEN RISE ABOVE CRITERIA. THERE COULD BE SOME GUSTY WINDS FOR THE NEXT HOUR OR SO BEFORE WINDS ALSO DROP BELOW CRITERIA. ADDITIONALLY, THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TO 8 PM EDT THURSDAY. THE FIRE WEATHER WATCH FOR THURSDAY IS NO LONGER IN EFFECT. DRY WEATHER IS EXPECTED TO CONTINUE THROUGH THE END OF THE WEEK. THE FINE FUELS WILL CONTINUE TO BECOME DRIER TODAY AND THE MOISTURE IN THE FUELS SHOULD BE LOW ENOUGH TO PROMOTE FIRE GROWTH. ALSO...WINDS SPEEDS AND RELATIVE HUMIDITY LEVELS ARE BOTH EXPECTED TO PROMOTE FIRE GROWTH DURING THE AFTERNOON AND EARLY EVENING. AN ADDITIONAL DAY OF DRYING COUPLED WITH HIGH WIND SPEEDS AND EVEN LOWER AFTERNOON RELATIVE HUMIDITY LEVELS SHOULD PROMOTE RAPID FIRE GROWTH DURING THE AFTERNOON AND EARLY EVENING ON THURSDAY... EVEN MORE SO THAN TODAY. 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. && $$ NJZ001-007>010-PAZ054-055-060>062-291015- /O.UPG.KPHI.FW.A.0004.100429T1600Z-100430T0000Z/ /O.NEW.KPHI.FW.W.0005.100429T1600Z-100430T0000Z/ SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-CARBON-MONROE-BERKS- LEHIGH-NORTHAMPTON- 755 PM EDT WED APR 28 2010 ...RED FLAG WARNING IN EFFECT FROM NOON TO 8 PM EDT THURSDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TO 8 PM EDT THURSDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. DRY WEATHER IS EXPECTED TO CONTINUE THROUGH THE END OF THE WEEK. THE FINE FUELS WILL CONTINUE TO BECOME DRIER TODAY AND THE MOISTURE IN THE FUELS SHOULD BE LOW ENOUGH TO PROMOTE FIRE GROWTH. ALSO...WINDS SPEEDS AND RELATIVE HUMIDITY LEVELS ARE BOTH EXPECTED TO PROMOTE FIRE GROWTH DURING THE AFTERNOON AND EARLY EVENING. AN ADDITIONAL DAY OF DRYING COUPLED WITH HIGH WIND SPEEDS AND EVEN LOWER AFTERNOON RELATIVE HUMIDITY LEVELS SHOULD PROMOTE RAPID FIRE GROWTH DURING THE AFTERNOON AND EARLY EVENING ON THURSDAY... EVEN MORE SO THAN TODAY. 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. && $$
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 27, 9:10 PM EDT | Gale Warning | PHI | 23 hr | |
| Apr 28, 4:03 AM EDT | Freeze Warning | PHI | Hunterdon, Morris, Somerset, Sussex, Warren | 28 hr |
| Apr 28, 4:12 AM EDT | Fire Weather Watch | PHI | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 10 more | 16 hr |
| Apr 28, 7:55 PM EDT | Red Flag Warning | PHI | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 10 more | 24 hr |
Nearby
Red Flag Warnings in New Jersey, 2010Red Flag Warnings in Maryland, 2010Red Flag Warnings in Delaware, 2010Every red flag warning in 2010
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.