Alert archive / Maryland / Freeze Warnings in 2013
Freeze Warning 5, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this freeze warning at Nov 3, 2013, 3:31 AM EST for Delaware County, Philadelphia County, Pennsylvania; 4 counties in Maryland. It took effect at Nov 4, 2013, 3:00 AM EST. It was in force for 6 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 3, 2013, 3:31 AM EST (08:31 UTC)
- In effect from
- Nov 4, 2013, 3:00 AM EST
- Expired
- Nov 4, 2013, 9:00 AM EST
- In force
- 6 hr
- Issued by
- NWS Philadelphia/Mount Holly
Counties Cecil County, MD, Kent County, MD, Queen Anne's County, MD, Talbot County, MD, Delaware County, PA, Philadelphia County, PA
The radar
The Dover AFB radar (KDOX), 73 km from the middle of the area, began a volume at 08:33 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
Washington/Dulle, VA (KIAD), launched 00:00Z, 8.5 hours before the alert went out and 147 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
- 1691 m above ground
- 0-6 km bulk shear
- 72 kt
- 0-1 km storm-relative helicity
- -138 m²/s²
- 0-3 km storm-relative helicity
- -71 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
665 WWUS71 KPHI 030831 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 331 AM EST SUN NOV 3 2013 MDZ008-012-015-019-PAZ070-071-032200- /O.UPG.KPHI.FZ.A.0005.131104T0600Z-131104T1400Z/ /O.NEW.KPHI.FZ.W.0005.131104T0800Z-131104T1400Z/ CECIL-KENT MD-QUEEN ANNES-TALBOT-DELAWARE-PHILADELPHIA- INCLUDING THE CITIES OF...ELKTON...CHESTERTOWN...CENTREVILLE... EASTON...MEDIA...PHILADELPHIA 331 AM EST SUN NOV 3 2013 ...FREEZE WARNING IN EFFECT FROM 3 AM TO 9 AM EST MONDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FREEZE WARNING...WHICH IS IN EFFECT FROM 3 AM TO 9 AM EST MONDAY. * TEMPERATURES...MAINLY IN THE LOWER 30S. * TIMING...TEMPERATURES SHOULD START REACHING THE FREEZING MARK AROUND 3 AM EST ON MONDAY MORNING. * IMPACTS...SENSITIVE PLANTS AND CROPS WILL BE KILLED BY THE FREEZING TEMPERATURES IF LEFT UNPROTECTED TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. ANY PLANT YOU WANT TO SURVIVE THE COLD SEASON, IF NOT DONE SO ALREADY, PLEASE BRING INDOORS TODAY. PLEASE PICK ANY LAST REMAINING SUMMER VEGETABLES. && $$
2 follow-up statements
410 WWUS71 KPHI 031916 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 216 PM EST SUN NOV 3 2013 MDZ008-012-015-019-PAZ070-071-041400- /O.CON.KPHI.FZ.W.0005.131104T0800Z-131104T1400Z/ CECIL-KENT MD-QUEEN ANNES-TALBOT-DELAWARE-PHILADELPHIA- INCLUDING THE CITIES OF...ELKTON...CHESTERTOWN...CENTREVILLE... EASTON...MEDIA...PHILADELPHIA 216 PM EST SUN NOV 3 2013 ...FREEZE WARNING REMAINS IN EFFECT FROM 3 AM TO 9 AM EST MONDAY... * TEMPERATURES...AT OR BELOW FREEZING. * TIMING...TEMPERATURES SHOULD REACH THE FREEZING MARK AROUND 3 AM EST ON MONDAY MORNING AND NOT RISE ABOVE FREEZING UNTILL AFTER SUNRISE. * IMPACTS...SENSITIVE PLANTS AND CROPS WILL BE KILLED BY THE FREEZING TEMPERATURES IF LEFT UNPROTECTED TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. ANY PLANT YOU WANT TO SURVIVE THE COLD SEASON... IF NOT DONE SO ALREADY... PLEASE BRING INDOORS TODAY. PLEASE PICK ANY LAST REMAINING SUMMER VEGETABLES. && $$ GAINES
915 WWUS71 KPHI 040840 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 340 AM EST MON NOV 4 2013 MDZ008-012-015-019-PAZ070-071-041400- /O.CON.KPHI.FZ.W.0005.000000T0000Z-131104T1400Z/ CECIL-KENT MD-QUEEN ANNES-TALBOT-DELAWARE-PHILADELPHIA- INCLUDING THE CITIES OF...ELKTON...CHESTERTOWN...CENTREVILLE... EASTON...MEDIA...PHILADELPHIA 340 AM EST MON NOV 4 2013 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM EST THIS MORNING... * TEMPERATURES...AT OR BELOW FREEZING. * TIMING...TEMPERATURES AT OR BELOW 32 DEGREES WILL REMAIN IN PLACE UNTIL AFTER SUNRISE. * IMPACTS...SENSITIVE PLANTS AND CROPS WILL BE KILLED BY THE FREEZING TEMPERATURES IF LEFT UNPROTECTED TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. ANY PLANT YOU WANT TO SURVIVE THE COLD SEASON... IF NOT DONE SO ALREADY... PLEASE BRING INDOORS TODAY. PLEASE PICK ANY LAST REMAINING SUMMER VEGETABLES. && $$ KRUZDLO
Nearby
Freeze Warnings in Maryland, 2013Freeze Warnings in Pennsylvania, 2013Every freeze warning in 2013
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.