Alert archive / Maryland / Snow Advisories in 2007
Snow Advisory 1, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this snow advisory at Jan 25, 2007, 3:57 PM EST for Kent County, New Castle County, Sussex County, Delaware; 5 counties in Maryland. It took effect at Jan 25, 2007, 7:00 PM EST. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- Jan 25, 2007, 3:57 PM EST (20:57 UTC)
- In effect from
- Jan 25, 2007, 7:00 PM EST
- Expired
- Jan 25, 2007, 9:02 PM EST
- In force
- 2 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
The radar
The Dover AFB radar (KDOX), 45 km from the middle of the area, began a volume at 20:56 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, 9.0 hours before the alert went out and 47 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
- 71 kt
- 0-1 km storm-relative helicity
- -83 m²/s²
- 0-3 km storm-relative helicity
- 77 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS41 KPHI 252057 WSWPHI URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 357 PM EST THU JAN 25 2007 DEZ001>004-MDZ008-012-015-019-020-260500- /O.NEW.KPHI.SN.Y.0001.070126T0000Z-070126T0900Z/ NEW CASTLE-KENT DE-INLAND SUSSEX-DELAWARE BEACHES-CECIL-KENT MD- QUEEN ANNES-TALBOT-CAROLINE- INCLUDING THE CITIES OF...WILMINGTON...DOVER...GEORGETOWN... REHOBOTH BEACH...ELKTON...CHESTERTOWN...CENTREVILLE...EASTON... DENTON 357 PM EST THU JAN 25 2007 ...SNOW ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 4 AM EST FRIDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A SNOW ADVISORY...WHICH IS IN EFFECT FROM 7 PM THIS EVENING TO 4 AM EST FRIDAY. AREAS OF SNOW SQUALLS ARE EXPECTED TO DEPOSIT 1 OR 2 INCHES OF SNOW THIS EVENING INTO THE EARLY OVERNIGHT PERIOD. AN ARCTIC COLD FRONT DROPPING THROUGH THE AREA TONIGHT WILL GENERATE NUMEROUS BANDS OF SNOW SHOWERS AND EVEN HEAVIER SNOW SQUALLS. ALTHOUGH SNOW ACCUMULATIONS ARE NOT EXPECTED TO COVER ALL AREAS TONIGHT, MANY AREAS WILL SEE A COATING TO AN INCH OR TWO OF SNOW. THE SNOW WILL RAPIDLY DROP VISIBILITIES IN THE HEAVIEST SQUALLS DOWN TO A QUARTER OF A MILE OR LESS FOR A SHORT PERIOD OF TIME, ABOUT 5 TO 10 MINUTES. USE EXTREME CAUTION AS YOU DRIVE TONIGHT, AS SLIPPERY OR SNOW COVERED ROADS COMBINED LOWERED VISIBILITIES WILL CAUSE IMPAIRED TRAVEL. IN ADDITION, WINDS WILL GUST TO 25 MILES AN HOUR TONIGHT. THE WINDS, COMBINED WITH COLD TEMPERATURES, WILL CAUSE WIND CHILLS TO DROP INTO THE SINGLE DIGITS. WINDS ON FRIDAY WILL BE EVEN STRONGER, WITH GUSTS AS HIGH AS AROUND 40 MILES AN HOUR EXPECTED. THE WINDS ARE NOT EXPECTED TO CAUSE ANY WIDESPREAD DAMAGE. HOWEVER, THE WINDS MAY BRING DOWN A FEW WEAK TREES AND TREE LIMBS, SO ISOLATED POWER OUTAGES MAY RESULT. ALSO, THE WINDS MAY MAKE DRIVING DIFFICULT AT TIMES ESPECIALLY FOR HIGH PROFILE VEHICLES AND ACROSS AREA BRIDGES AND OTHER ELEVATED ROADWAYS. STAY TUNED TO NOAA WEATHER RADIO ALL HAZARDS OR YOUR LOCAL MEDIA OUTLET FOR THE LATEST UPDATES. $$ NJZ001-PAZ054-055-260500- /O.CON.KPHI.WC.Y.0001.070126T0800Z-070126T1500Z/ SUSSEX-CARBON-MONROE- INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG 357 PM EST THU JAN 25 2007 ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 3 AM TO 10 AM EST FRIDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS CONTINUED THE WIND CHILL ADVISORY...WHICH IS IN EFFECT LATE TONIGHT INTO FRIDAY MORNING. A COLD AND UNSTABLE ARCTIC AIR MASS IS IN THE PROCESS OF OVERSPREADING THE REGION THIS AFTERNOON. AS TEMPERATURES DROP TONIGHT, WINDS WILL INCREASE. LOW TEMPERATURES BY FRIDAY MORNING WILL BE IN THE SINGLE DIGITS. THE COMBINATION OF THESE LOW TEMPERATURES AND GUSTY WINDS WILL CAUSE WIND CHILL VALUES TO DROP TO AROUND 15 BELOW ZERO ACROSS THE SOUTHERN POCONOS IN PENNSYLVANIA AND IN EXTREME NORTHWESTERN NEW JERSEY. THESE CONDITIONS COULD RESULT IN FROSTBITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. ANYONE WHO HAS TO WORK OR SPEND TIME OUTDOORS TONIGHT OR FRIDAY SHOULD TAKE ALL PRECAUTIONS AGAINST THIS BITTERLY COLD WEATHER. WEAR MULTIPLE LAYERS OF CLOTHING, HATS, SCARVES AND GLOVES. WINDS TONIGHT ARE FORECAST TO GUST AS HIGH AS 25 MPH, AND WINDS FRIDAY ARE EXPECTED TO GUST AS HIGH AS 40 MPH. THE WINDS ARE NOT EXPECTED TO CAUSE ANY WIDESPREAD DAMAGE. HOWEVER, THE WINDS MAY BRING DOWN A FEW WEAK TREES AND TREE LIMBS, SO ISOLATED POWER OUTAGES MAY RESULT. ALSO, THE WINDS MAY MAKE DRIVING DIFFICULT AT TIMES ESPECIALLY FOR HIGH PROFILE VEHICLES AND ACROSS AREA BRIDGES AND OTHER ELEVATED ROADWAYS. FINALLY, PLEASE REMEMBER YOUR OUTDOOR PETS AND LIVESTOCK, AND INSURE THAT THEY HAVE, AT A MINIMUM, A STURDY AND WELL-INSULATED SHELTER FROM THE WIND AND COLD AS WELL AS ACCESS TO UNFROZEN WATER. THE MOST HUMANE THING TO DO IS TO BRING THEM INDOORS. WINDS ARE EXPECTED TO DIMINISH FRIDAY NIGHT, ALTHOUGH TEMPERATURES WILL REMAIN VERY COLD. A MODERATING TREND IS EXPECTED FOR THE WEEKEND, BUT THE OVERALL COLD WEATHER PATTERN WILL CONTINUE IN THE NEAR TERM. $$ /
2 follow-up statements
000 WWUS41 KPHI 252257 CCA WSWPHI URGENT - WINTER WEATHER MESSAGE...CORRECTED NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 554 PM EST THU JAN 25 2007 DEZ001>004-MDZ008-012-015-019-020-260715- /O.COR.KPHI.SN.Y.0001.070126T0000Z-070126T0900Z/ NEW CASTLE-KENT DE-INLAND SUSSEX-DELAWARE BEACHES-CECIL-KENT MD- QUEEN ANNES-TALBOT-CAROLINE- INCLUDING THE CITIES OF...WILMINGTON...DOVER...GEORGETOWN... REHOBOTH BEACH...ELKTON...CHESTERTOWN...CENTREVILLE...EASTON... DENTON 554 PM EST THU JAN 25 2007 ...SNOW ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 4 AM EST FRIDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A SNOW ADVISORY...WHICH IS IN EFFECT FROM 7 PM THIS EVENING TO 4 AM EST FRIDAY. AREAS OF SNOW SQUALLS ARE EXPECTED TO DEPOSIT 1 OR 2 INCHES OF SNOW THIS EVENING INTO THE EARLY OVERNIGHT PERIOD. AN ARCTIC COLD FRONT DROPPING THROUGH THE AREA TONIGHT WILL GENERATE NUMEROUS BANDS OF SNOW SHOWERS AND EVEN HEAVIER SNOW SQUALLS. ALTHOUGH SNOW ACCUMULATIONS ARE NOT EXPECTED TO COVER ALL AREAS TONIGHT, MANY AREAS WILL SEE A COATING TO AN INCH OR TWO OF SNOW. THE SNOW WILL RAPIDLY DROP VISIBILITIES IN THE HEAVIEST SQUALLS DOWN TO A QUARTER OF A MILE OR LESS FOR A SHORT PERIOD OF TIME, ABOUT 5 TO 10 MINUTES. USE EXTREME CAUTION AS YOU DRIVE TONIGHT, AS SLIPPERY OR SNOW COVERED ROADS COMBINED WITH LOWERED VISIBILITIES WILL CAUSE IMPAIRED TRAVEL. IN ADDITION, WINDS WILL GUST TO 25 MILES AN HOUR TONIGHT. THE WINDS, COMBINED WITH COLD TEMPERATURES, WILL CAUSE WIND CHILLS TO DROP INTO THE SINGLE DIGITS. WINDS ON FRIDAY WILL BE EVEN STRONGER, WITH GUSTS AS HIGH AS AROUND 40 MILES AN HOUR EXPECTED. THE WINDS ARE NOT EXPECTED TO CAUSE ANY WIDESPREAD DAMAGE. HOWEVER, THE WINDS MAY BRING DOWN A FEW WEAK TREES AND TREE LIMBS, SO ISOLATED POWER OUTAGES MAY RESULT. ALSO, THE WINDS MAY MAKE DRIVING DIFFICULT AT TIMES ESPECIALLY FOR HIGH PROFILE VEHICLES AND ACROSS AREA BRIDGES AND OTHER ELEVATED ROADWAYS. STAY TUNED TO NOAA WEATHER RADIO ALL HAZARDS OR YOUR LOCAL MEDIA OUTLET FOR THE LATEST UPDATES. $$ NJZ001-PAZ054-055-260715- /O.CON.KPHI.WC.Y.0001.070126T0800Z-070126T1500Z/ SUSSEX-CARBON-MONROE- INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG 554 PM EST THU JAN 25 2007 ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 3 AM TO 10 AM EST FRIDAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS CONTINUED THE WIND CHILL ADVISORY...WHICH IS IN EFFECT LATE TONIGHT INTO FRIDAY MORNING. A COLD AND UNSTABLE ARCTIC AIR MASS IS IN THE PROCESS OF OVERSPREADING THE REGION THIS AFTERNOON. AS TEMPERATURES DROP TONIGHT, WINDS WILL INCREASE. LOW TEMPERATURES BY FRIDAY MORNING WILL BE IN THE SINGLE DIGITS. THE COMBINATION OF THESE LOW TEMPERATURES AND GUSTY WINDS WILL CAUSE WIND CHILL VALUES TO DROP TO AROUND 15 BELOW ZERO ACROSS THE SOUTHERN POCONOS IN PENNSYLVANIA AND IN EXTREME NORTHWESTERN NEW JERSEY. THESE CONDITIONS COULD RESULT IN FROSTBITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. ANYONE WHO HAS TO WORK OR SPEND TIME OUTDOORS TONIGHT OR FRIDAY SHOULD TAKE ALL PRECAUTIONS AGAINST THIS BITTERLY COLD WEATHER. WEAR MULTIPLE LAYERS OF CLOTHING, HATS, SCARVES AND GLOVES. WINDS TONIGHT ARE FORECAST TO GUST AS HIGH AS 25 MPH, AND WINDS FRIDAY ARE EXPECTED TO GUST AS HIGH AS 40 MPH. THE WINDS ARE NOT EXPECTED TO CAUSE ANY WIDESPREAD DAMAGE. HOWEVER, THE WINDS MAY BRING DOWN A FEW WEAK TREES AND TREE LIMBS, SO ISOLATED POWER OUTAGES MAY RESULT. ALSO, THE WINDS MAY MAKE DRIVING DIFFICULT AT TIMES ESPECIALLY FOR HIGH PROFILE VEHICLES AND ACROSS AREA BRIDGES AND OTHER ELEVATED ROADWAYS. FINALLY, PLEASE REMEMBER YOUR OUTDOOR PETS AND LIVESTOCK, AND INSURE THAT THEY HAVE, AT A MINIMUM, A STURDY AND WELL-INSULATED SHELTER FROM THE WIND AND COLD AS WELL AS ACCESS TO UNFROZEN WATER. THE MOST HUMANE THING TO DO IS TO BRING THEM INDOORS. WINDS ARE EXPECTED TO DIMINISH FRIDAY NIGHT, ALTHOUGH TEMPERATURES WILL REMAIN VERY COLD. A MODERATING TREND IS EXPECTED FOR THE WEEKEND, BUT THE OVERALL COLD WEATHER PATTERN WILL CONTINUE IN THE NEAR TERM. $$ CORRECTION TO FIRST SECTION FOR A MISSING WORD IN THE THIRD PARAGRAPH
000 WWUS41 KPHI 260202 WSWPHI URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 902 PM EST THU JAN 25 2007 DEZ001>004-MDZ008-012-015-019-020-260315- /O.CAN.KPHI.SN.Y.0001.000000T0000Z-070126T0900Z/ NEW CASTLE-KENT DE-INLAND SUSSEX-DELAWARE BEACHES-CECIL-KENT MD- QUEEN ANNES-TALBOT-CAROLINE- INCLUDING THE CITIES OF...WILMINGTON...DOVER...GEORGETOWN... REHOBOTH BEACH...ELKTON...CHESTERTOWN...CENTREVILLE...EASTON... DENTON 902 PM EST THU JAN 25 2007 ...SNOW ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS CANCELLED THE SNOW ADVISORY. THE POTENTIAL OF SNOW SQUALLS HAS DIMINISHED AND THE SNOW ADVISORY HAS BEEN CANCELED. THERE IS STILL THE POTENTIAL FOR SOME SCATEERED SNOW SHOWERS OVERNIGHT. $$ NJZ001-PAZ054-055-261100- /O.CON.KPHI.WC.Y.0001.070126T0800Z-070126T1500Z/ SUSSEX-CARBON-MONROE- INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG 902 PM EST THU JAN 25 2007 ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 3 AM TO 10 AM EST FRIDAY... A COLD AND UNSTABLE ARCTIC AIR MASS HAS MOVED OVER THE REGION. AS TEMPERATURES DROP OVERNIGHT, WINDS WILL INCREASE. LOW TEMPERATURES BY FRIDAY MORNING WILL BE IN THE SINGLE DIGITS. THE COMBINATION OF THESE LOW TEMPERATURES AND GUSTY WINDS WILL CAUSE WIND CHILL VALUES TO DROP TO AROUND 15 BELOW ZERO ACROSS THE SOUTHERN POCONOS IN PENNSYLVANIA AND IN EXTREME NORTHWESTERN NEW JERSEY. THESE CONDITIONS COULD RESULT IN FROSTBITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. ANYONE WHO HAS TO WORK OR SPEND TIME OUTDOORS TONIGHT OR FRIDAY SHOULD TAKE ALL PRECAUTIONS AGAINST THIS BITTERLY COLD WEATHER. WEAR MULTIPLE LAYERS OF CLOTHING, HATS, SCARVES AND GLOVES. WINDS TONIGHT ARE FORECAST TO GUST AS HIGH AS 25 MPH AND WINDS FRIDAY ARE EXPECTED TO GUST AS HIGH AS 40 MPH. THE WINDS ARE NOT EXPECTED TO CAUSE ANY WIDESPREAD DAMAGE. HOWEVER, THE WINDS MAY BRING DOWN A FEW WEAK TREES AND TREE LIMBS, SO ISOLATED POWER OUTAGES MAY RESULT. ALSO, THE WINDS MAY MAKE DRIVING DIFFICULT AT TIMES ESPECIALLY FOR HIGH PROFILE VEHICLES AND ACROSS AREA BRIDGES AND OTHER ELEVATED ROADWAYS. WINDS ARE EXPECTED TO DIMINISH FRIDAY NIGHT, ALTHOUGH TEMPERATURES WILL REMAIN VERY COLD. A MODERATING TREND IS EXPECTED FOR THE WEEKEND, BUT THE OVERALL COLD WEATHER PATTERN WILL CONTINUE IN THE NEAR TERM, WHICH IS A DEPARTURE FROM THE WARM WEATHER OF LATE. $$
Nearby
Snow Advisories in Maryland, 2007Snow Advisories in Delaware, 2007Every snow advisory 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.