Alert archive / Maryland / Freeze Warnings in 2005

Freeze Warning 1, NWS Philadelphia/Mount Holly

November 11, 20054 states

NWS Philadelphia/Mount Holly issued this freeze warning at Nov 11, 2005, 2:54 PM EST for 4 states. It took effect at Nov 12, 2005, 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 11, 2005, 2:54 PM EST (19:54 UTC)
In effect from
Nov 12, 2005, 1:00 AM EST
Expired
Nov 12, 2005, 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, Burlington County, NJ, Camden County, NJ, Gloucester County, NJ, Salem County, NJ, Delaware County, PA, Philadelphia County, PA

The radar

The Dover AFB radar (KDOX), 65 km from the middle of the area, began a volume at 19:53 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, 7.9 hours before the alert went out and 165 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.

Skew-T log-pSkew-T log-p diagram, Wallops Is Stn, VA at 12:00Z on 2005-11-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Wallops Is Stn, VA at 12:00Z on 2005-11-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 85 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1364 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
85 m²/s²
0-3 km storm-relative helicity
84 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WWUS71 KPHI 111954
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
254 PM EST FRI NOV 11 2005


DEZ001>004-MDZ008-012-015-019-020-NJZ016>019-PAZ070-071-121200-
/O.NEW.KPHI.FZ.W.0001.051112T0600Z-051112T1200Z/
NEW CASTLE-KENT-INLAND SUSSEX-DELAWARE BEACHES-CECIL-QUEEN ANNES-
TALBOT-CAROLINE-SALEM-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-
DELAWARE-PHILADELPHIA-
INCLUDING THE CITIES OF...WILMINGTON...DOVER...GEORGETOWN...
REHOBOTH BEACH...ELKTON...CHESTERTOWN...CENTREVILLE...EASTON...
DENTON...PENNSVILLE...GLASSBORO...CAMDEN...CHERRY HILL...
MOORESTOWN...MOUNT HOLLY...MEDIA
254 PM EST FRI NOV 11 2005

...FREEZE WARNING IN EFFECT FROM 1 AM TO 7 AM EST SATURDAY...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM 1 AM TO 7 AM EST SATURDAY. 

THE COUNTIES INCLUDED IN THE FREEZE WARNING ARE...

IN PENNSYLVANIA...
PHILADELPHIA AND DELAWARE.

IN NEW JERSEY...
NORTHWEST BURLINGTON, CAMDEN, GLOUCESTER AND SALEM.

IN MARYLAND...
CECIL, KENT, QUEEN ANNES, TALBOT AND CAROLINE.

IN DELAWARE...
NEW CASTLE, KENT AND SUSSEX.

THERE WILL BE SOME AREAS WHERE THE TEMPERATURE WILL NOT REACH THE 
FREEZING MARK, FOR INSTANCES WITHIN THE HIGHLY URBANIZED AREAS, BUT 
THERE WILL BE WIDESPREAD FROST THERE. ELSEWHERE, ESPECIALLY THE 
INTERIOR SECTIONS AWAY FROM ANY BODIES OF WATER, THE TEMPERATURE 
COULD FALL INTO THE MID AND UPPER 20S FOR SEVERAL HOURS BEFORE DAWN.

THE CLOUDS ACROSS THE REGION WILL DECREASE AND THE WINDS WILL BECOME 
LIGHT AS HIGH PRESSURE BUILDS OVER THE AREA TONIGHT.  

IF YOU HAVE ANY REMAINING GARDEN PLANTS THAT YOU WOULD LIKE TO SAVE, 
BE SURE TO COVER THEM FOR TONIGHT.  ALSO, YOU MIGHT WANT TO BRING 
ANY POTTED PLANTS INDOORS TO PROTECT THEM FROM THE FREEZING 
TEMPERATURES.

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER
SENSITIVE VEGETATION.

$$

EBERWINE
2 follow-up statements
000 
WWUS71 KPHI 120721
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
221 AM EST SAT NOV 12 2005

DEZ001>004-MDZ008-012-015-019-020-NJZ016>019-PAZ070-071-121300-
/O.EXT.KPHI.FZ.W.0001.000000T0000Z-051112T1300Z/
NEW CASTLE-KENT-INLAND SUSSEX-DELAWARE BEACHES-CECIL-QUEEN ANNES-
TALBOT-CAROLINE-SALEM-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-
DELAWARE-PHILADELPHIA-
INCLUDING THE CITIES OF...WILMINGTON...DOVER...GEORGETOWN...
REHOBOTH BEACH...ELKTON...CHESTERTOWN...CENTREVILLE...EASTON...
DENTON...PENNSVILLE...GLASSBORO...CAMDEN...CHERRY HILL...
MOORESTOWN...MOUNT HOLLY...MEDIA
221 AM EST SAT NOV 12 2005

...FREEZE WARNING NOW IN EFFECT UNTIL 8 AM EST THIS MORNING...

THE FREEZE WARNING IS NOW IN EFFECT UNTIL 8 AM EST THIS MORNING. 

THE COUNTIES INCLUDED IN THE FREEZE WARNING ARE...

IN PENNSYLVANIA... PHILADELPHIA AND DELAWARE.

IN NEW JERSEY... NORTHWEST BURLINGTON... CAMDEN... GLOUCESTER AND
SALEM.

IN MARYLAND... CECIL... KENT... QUEEN ANNES... TALBOT AND
CAROLINE.

IN DELAWARE... NEW CASTLE... KENT AND SUSSEX.

TEMPERATURES AWAY FROM URBAN AREAS WILL BE BELOW FREEZING THROUGH 
DAYBREAK, THEN RISE ABOVE FREEZING BY AROUND 8 AM. FROST IN URBAN 
AREAS ALSO CAN BE EXPECTED TO LINGER UNTIL AROUND 8 AM. THE FREEZE 
WARNING THEREFORE HAS BEEN EXTENDED SLIGHTLY.  

ANY MEASURES TO SAVE PLANTS FROM THE FROST AND FREEZING TEMPERATURES 
SHOULD ALREADY HAVE BEEN TAKEN.

$$

MPD
000 
WWUS71 KPHI 121309
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
809 AM EST SAT NOV 12 2005

DEZ001>004-MDZ008-012-015-019-020-NJZ016>019-PAZ070-071-121415-
/O.EXP.KPHI.FZ.W.0001.000000T0000Z-051112T1300Z/
NEW CASTLE-KENT-INLAND SUSSEX-DELAWARE BEACHES-CECIL-QUEEN ANNES-
TALBOT-CAROLINE-SALEM-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-
DELAWARE-PHILADELPHIA-
INCLUDING THE CITIES OF...WILMINGTON...DOVER...GEORGETOWN...
REHOBOTH BEACH...ELKTON...CHESTERTOWN...CENTREVILLE...EASTON...
DENTON...PENNSVILLE...GLASSBORO...CAMDEN...CHERRY HILL...
MOORESTOWN...MOUNT HOLLY...MEDIA
809 AM EST SAT NOV 12 2005

...FREEZE WARNING HAS EXPIRED...

THE FREEZE WARNING IS NO LONGER IN EFFECT. 

$$

KRUZDLO

Nearby

Freeze Warnings in Maryland, 2005Freeze Warnings in New Jersey, 2005Freeze Warnings in Delaware, 2005Every freeze warning in 2005

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.