Alert archive / New Jersey / Freeze Watches in 2007
Freeze Watch 2, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this freeze watch at Apr 5, 2007, 3:45 PM EDT for 5 counties in Maryland; 8 counties in New Jersey; Kent County, New Castle County, Sussex County, Delaware. It took effect at Apr 7, 2007, 1:00 AM EDT. It was in force for .
The area
The counties it named.
The facts
- Issued
- Apr 5, 2007, 3:45 PM EDT (19:45 UTC)
- In effect from
- Apr 7, 2007, 1:00 AM EDT
- Expired
- Apr 6, 2007, 3:47 AM EDT
- In force
- Issued by
- NWS Philadelphia/Mount Holly
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, Ocean County, NJ, Salem County, NJ
The radar
The Dover AFB radar (KDOX), 58 km from the middle of the area, began a volume at 19:50 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
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 7.8 hours before the alert went out and 66 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
- 1429 m above ground
- 0-6 km bulk shear
- 100 kt
- 0-1 km storm-relative helicity
- -26 m²/s²
- 0-3 km storm-relative helicity
- 59 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS71 KPHI 051945 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 345 PM EDT THU APR 5 2007 .UPCOMING VERY COLD WEATHER WILL IMPACT VEGETATION IN NEW JERSEY, DELAWARE AND MARYLAND WHERE THE GROWING SEASON HAS BEGUN. DEZ001>003-MDZ008-012-015-019-020-NJZ016>023-027-060900- /O.UPG.KPHI.FZ.A.0001.070406T0500Z-070406T1300Z/ /O.NEW.KPHI.HZ.W.0001.070406T0500Z-070406T1300Z/ /O.NEW.KPHI.FZ.A.0002.070407T0500Z-070407T1300Z/ NEW CASTLE-KENT DE-INLAND SUSSEX-CECIL-KENT MD-QUEEN ANNES- TALBOT-CAROLINE-SALEM-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON- OCEAN-CUMBERLAND-ATLANTIC-CAPE MAY-SOUTHEASTERN BURLINGTON- INCLUDING THE CITIES OF...WILMINGTON...DOVER...GEORGETOWN... ELKTON...CHESTERTOWN...CENTREVILLE...EASTON...DENTON... PENNSVILLE...GLASSBORO...CAMDEN...CHERRY HILL...MOORESTOWN... MOUNT HOLLY...JACKSON...MILLVILLE...HAMMONTON... CAPE MAY COURT HOUSE...WHARTON STATE FOREST 345 PM EDT THU APR 5 2007 ...HARD FREEZE WARNING IN EFFECT FROM 1 AM TO 9 AM EDT FRIDAY... ...FREEZE WATCH IN EFFECT FROM LATE FRIDAY NIGHT THROUGH SATURDAY MORNING... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS UPGRADED THE FREEZE WATCH TO A HARD FREEZE WARNING...WHICH IS IN EFFECT FROM 1 AM TO 9 AM EDT FRIDAY. IN ADDITION...A FREEZE WATCH HAS BEEN ISSUED FOR THE PERIOD FROM LATE FRIDAY NIGHT THROUGH SATURDAY MORNING. AN UNSEASONABLY COLD AIR MASS WILL BE OVER THE AREA TONIGHT, AS WELL AS INTO THE UPCOMING WEEKEND. MINIMUM TEMPERATURES ARE EXPECTED TO DROP INTO THE MID AND UPPER 20S AT MANY LOCATIONS BY DAYBREAK FRIDAY. THESE TEMPERATURES ARE LIKELY TO DAMAGE FRUIT TREES, WHICH HAVE ALREADY BEGUN TO BLOOM. IN ADDITION, ANY TENDER PLANTS AND VEGETATION ARE ALSO LIKELY TO BE HURT BY THIS HARD FREEZE. THEREFORE, BRING ANY VULNERABLE PLANTS INDOORS THIS EVENING. ALTERNATIVELY, COVER EXPOSED VEGETATION IF POSSIBLE. THIS COLD WEATHER IS EXPECTED TO BE PROLONGED THEREFORE, THE THREAT OF SUB-FREEZING OVERNIGHT TEMPERATURES WILL OCCUR INTO OR EVEN THROUGH THE WEEKEND. AS A RESULT, A FREEZE WATCH HAS BEEN ISSUED TO CALL ATTENTION TO THIS THREAT FOR LATER FRIDAY NIGHT AND SATURDAY MORNING. A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL HURT OR KILL CROPS AND OTHER SENSITIVE VEGETATION. A FREEZE WATCH MEANS SUB-FREEZING TEMPERATURES ARE POSSIBLE. THESE CONDITIONS COULD HURT OR KILL CROPS AND OTHER SENSITIVE VEGETATION. $$
1 follow-up statement
000 WWUS71 KPHI 060747 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 347 AM EDT FRI APR 6 2007 .VERY COLD WEATHER WILL IMPACT VEGETATION THROUGH THE WEEKEND IN NEW JERSEY, DELAWARE, AND MARYLAND WHERE THE GROWING SEASON HAS BEGUN. DEZ001>003-MDZ008-012-015-019-020-NJZ016>023-027-062100- /O.UPG.KPHI.FZ.A.0002.070407T0500Z-070407T1300Z/ /O.NEW.KPHI.HZ.W.0002.070407T0500Z-070407T1300Z/ /O.NEW.KPHI.FZ.A.0003.070408T0500Z-070408T1300Z/ /O.CON.KPHI.HZ.W.0001.000000T0000Z-070406T1300Z/ NEW CASTLE-KENT DE-INLAND SUSSEX-CECIL-KENT MD-QUEEN ANNES- TALBOT-CAROLINE-SALEM-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON- OCEAN-CUMBERLAND-ATLANTIC-CAPE MAY-SOUTHEASTERN BURLINGTON- INCLUDING THE CITIES OF...WILMINGTON...DOVER...GEORGETOWN... ELKTON...CHESTERTOWN...CENTREVILLE...EASTON...DENTON... PENNSVILLE...GLASSBORO...CAMDEN...CHERRY HILL...MOORESTOWN... MOUNT HOLLY...JACKSON...MILLVILLE...HAMMONTON... CAPE MAY COURT HOUSE...WHARTON STATE FOREST 347 AM EDT FRI APR 6 2007 ...HARD FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING... ...HARD FREEZE WARNING IN EFFECT FROM 1 AM TO 9 AM EDT SATURDAY... ...FREEZE WATCH IN EFFECT FROM LATE SATURDAY NIGHT THROUGH SUNDAY MORNING... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY IS CONTINUING THE HARD FREEZE WARNING UNTIL 9 AM EDT THIS MORNING AND HAS ISSUED A HARD FREEZE WARNING FOR 1 AM TO 9 AM EDT SATURDAY. A FREEZE WATCH HAS ALSO BEEN ISSUED. THIS FREEZE WATCH IS IN EFFECT FROM LATE SATURDAY NIGHT THROUGH SUNDAY MORNING. AN UNSEASONABLY COLD AIR MASS WILL PERSIST OVER OUR AREA THROUGH THE WEEKEND. TEMPERATURES HAVE FALLEN BELOW THE FREEZING MARK IN MANY LOCATIONS THIS MORNING AND ARE EXPECTED TO REACH THESE LEVELS AGAIN TONIGHT. THESE TEMPERATURES ARE LIKELY TO DAMAGE FRUIT TREES, WHICH HAVE ALREADY BEGUN TO BLOOM. IN ADDITION, ANY TENDER PLANTS AND VEGETATION ARE ALSO LIKELY TO BE HURT BY THIS HARD FREEZE. THEREFORE, BRING ANY VULNERABLE PLANTS INDOORS THIS EVENING. ALTERNATIVELY, COVER EXPOSED VEGETATION IF POSSIBLE. THIS COLD WEATHER IS EXPECTED TO BE PROLONGED THEREFORE, THE THREAT OF SUB-FREEZING OVERNIGHT TEMPERATURES WILL OCCUR THROUGH THE WEEKEND. AS A RESULT, A HARD FREEZE WARNING IS IN EFFECT THIS MORNING AND AGAIN LATE TONIGHT INTO SATURDAY MORNING. A FREEZE WATCH HAS BEEN ISSUED TO CALL ATTENTION TO THIS THREAT FOR LATER SATURDAY NIGHT INTO SUNDAY MORNING. A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL HURT OR KILL CROPS AND OTHER SENSITIVE VEGETATION. A FREEZE WATCH MEANS SUB-FREEZING TEMPERATURES ARE POSSIBLE. THESE CONDITIONS COULD HURT OR KILL CROPS AND OTHER SENSITIVE VEGETATION. $$ RPW/TFG
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 5, 12:51 PM EDT | Freeze Watch | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 3 hr |
| Apr 5, 3:45 PM EDT | Hard Freeze Warning | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 17 hr |
Nearby
Freeze Watches in New Jersey, 2007Freeze Watches in Maryland, 2007Freeze Watches in Delaware, 2007Every freeze watch 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.