Alert archive / Maryland / Freeze Warnings in 2016
Freeze Warning 9, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this freeze warning at Nov 12, 2016, 2:31 PM EST for 4 states. It took effect at Nov 13, 2016, 1:00 AM EST. 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
- Nov 12, 2016, 2:31 PM EST (19:31 UTC)
- In effect from
- Nov 13, 2016, 1:00 AM EST
- Expired
- Nov 13, 2016, 8:00 AM EST
- In force
- 7 hr
- 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, Cape May County, NJ, Delaware County, PA, Philadelphia County, PA
The radar
The Dover AFB radar (KDOX), 51 km from the middle of the area, began a volume at 19:31 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 12:00Z, 7.5 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
- 1408 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- -63 m²/s²
- 0-3 km storm-relative helicity
- -33 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
442 WWUS71 KPHI 121931 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 231 PM EST SAT NOV 12 2016 DEZ001>003-MDZ008-012-015-019-020-NJZ023-130845- /O.UPG.KPHI.FZ.A.0008.161113T0600Z-161113T1300Z/ /O.NEW.KPHI.FZ.W.0009.161113T0600Z-161113T1300Z/ NEW CASTLE-KENT-INLAND SUSSEX-CECIL-KENT MD-QUEEN ANNES-TALBOT- CAROLINE-CAPE MAY- INCLUDING THE CITIES OF...WILMINGTON...DOVER...GEORGETOWN... ELKTON...CHESTERTOWN...CENTREVILLE...EASTON...DENTON... CAPE MAY COURT HOUSE 231 PM EST SAT NOV 12 2016 ...FREEZE WARNING IN EFFECT FROM 1 AM TO 8 AM EST SUNDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FREEZE WARNING...WHICH IS IN EFFECT FROM 1 AM TO 8 AM EST SUNDAY. THE FREEZE WATCH IS NO LONGER IN EFFECT. * MINIMUM TEMPERATURES...IN THE UPPER 20S TO LOWER 30S TONIGHT. * IMPACTS...SENSITIVE PLANTS AND CROPS MAY BE DAMAGED OR KILLED BY THE FREEZE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$ PAZ070-071-130845- /O.NEW.KPHI.FZ.W.0009.161113T0600Z-161113T1300Z/ DELAWARE-PHILADELPHIA- INCLUDING THE CITIES OF...MEDIA...PHILADELPHIA 231 PM EST SAT NOV 12 2016 ...FREEZE WARNING IN EFFECT FROM 1 AM TO 8 AM EST SUNDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FREEZE WARNING...WHICH IS IN EFFECT FROM 1 AM TO 8 AM EST SUNDAY. * MINIMUM TEMPERATURES...IN THE LOWER 30S TONIGHT. * IMPACTS...SENSITIVE PLANTS AND CROPS MAY BE DAMAGED OR KILLED BY THE FREEZE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$
3 follow-up statements
108 WWUS71 KPHI 130225 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 925 PM EST SAT NOV 12 2016 DEZ001>003-MDZ008-012-015-019-020-NJZ023-PAZ070-071-131300- /O.CON.KPHI.FZ.W.0009.161113T0600Z-161113T1300Z/ NEW CASTLE-KENT-INLAND SUSSEX-CECIL-KENT MD-QUEEN ANNES-TALBOT- CAROLINE-CAPE MAY-DELAWARE-PHILADELPHIA- INCLUDING THE CITIES OF...WILMINGTON...DOVER...GEORGETOWN... ELKTON...CHESTERTOWN...CENTREVILLE...EASTON...DENTON... CAPE MAY COURT HOUSE...MEDIA...PHILADELPHIA 925 PM EST SAT NOV 12 2016 ...FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 8 AM EST SUNDAY... * MINIMUM TEMPERATURES...IN THE UPPER 20S TO LOWER 30S TONIGHT. * IMPACTS...SENSITIVE PLANTS AND CROPS MAY BE DAMAGED OR KILLED BY THE FREEZE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$
112 WWUS71 KPHI 130841 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 341 AM EST SUN NOV 13 2016 DEZ001>003-MDZ008-012-015-019-020-NJZ023-PAZ070-071-131300- /O.CON.KPHI.FZ.W.0009.000000T0000Z-161113T1300Z/ NEW CASTLE-KENT-INLAND SUSSEX-CECIL-KENT MD-QUEEN ANNES-TALBOT- CAROLINE-CAPE MAY-DELAWARE-PHILADELPHIA- INCLUDING THE CITIES OF...WILMINGTON...DOVER...GEORGETOWN... ELKTON...CHESTERTOWN...CENTREVILLE...EASTON...DENTON... CAPE MAY COURT HOUSE...MEDIA...PHILADELPHIA 341 AM EST SUN NOV 13 2016 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM EST THIS MORNING... * MINIMUM TEMPERATURES...IN THE UPPER 20S TO LOWER 30S. * IMPACTS...SENSITIVE PLANTS AND CROPS MAY BE DAMAGED OR KILLED BY THE FREEZE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$
408 WWUS71 KPHI 131302 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 802 AM EST SUN NOV 13 2016 DEZ001>003-MDZ008-012-015-019-020-NJZ023-PAZ070-071-131415- /O.EXP.KPHI.FZ.W.0009.000000T0000Z-161113T1300Z/ NEW CASTLE-KENT-INLAND SUSSEX-CECIL-KENT MD-QUEEN ANNES-TALBOT- CAROLINE-CAPE MAY-DELAWARE-PHILADELPHIA- INCLUDING THE CITIES OF...WILMINGTON...DOVER...GEORGETOWN... ELKTON...CHESTERTOWN...CENTREVILLE...EASTON...DENTON... CAPE MAY COURT HOUSE...MEDIA...PHILADELPHIA 802 AM EST SUN NOV 13 2016 ...FREEZE WARNING HAS EXPIRED... TEMPERATURES WILL CONTINUE TO RISE ABOVE FREEZING THIS MORNING. THEREFORE THE FREEZE WARNING WAS ALLOWED TO EXPIRE. $$
Nearby
Freeze Warnings in Maryland, 2016Freeze Warnings in Delaware, 2016Freeze Warnings in Pennsylvania, 2016Every freeze warning in 2016
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.