Alert archive / Maryland / Heat Advisories in 2016
Heat Advisory 5, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this heat advisory at Jul 26, 2016, 9:41 AM EDT for Caroline County, Queen Anne's County, Talbot County, Maryland; Kent County, Sussex County, Delaware. It took effect at Jul 26, 2016, 11:00 AM EDT. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Jul 26, 2016, 9:41 AM EDT (13:41 UTC)
- In effect from
- Jul 26, 2016, 11:00 AM EDT
- Expired
- Jul 26, 2016, 6:16 PM EDT
- In force
- 7 hr
- Issued by
- NWS Philadelphia/Mount Holly
Counties Kent County, DE, Sussex County, DE, Caroline County, MD, Queen Anne's County, MD, Talbot County, MD
The radar
The Dover AFB radar (KDOX), 31 km from the middle of the area, began a volume at 13:45 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, 1.7 hours before the alert went out and 112 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
- 1747 J/kg
- Mixed-layer CIN
- -72 J/kg
- Mixed-layer LCL
- 1055 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 21 m²/s²
- 0-3 km storm-relative helicity
- 51 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
534 WWUS71 KPHI 261341 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 941 AM EDT TUE JUL 26 2016 ...THE HEAT AND HUMIDITY PERSISTS INTO TODAY... DEZ002-003-MDZ015-019-020-262300- /O.NEW.KPHI.HT.Y.0005.160726T1500Z-160726T2300Z/ KENT-INLAND SUSSEX-QUEEN ANNES-TALBOT-CAROLINE- INCLUDING THE CITIES OF...DOVER...GEORGETOWN...CENTREVILLE... EASTON...DENTON 941 AM EDT TUE JUL 26 2016 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM EDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A HEAT ADVISORY...WHICH IS IN EFFECT UNTIL 7 PM EDT THIS EVENING. * TEMPERATURES...IN THE MID 90S. * HEAT INDEX VALUES...AROUND 105 THIS AFTERNOON * IMPACTS...THE POTENTIAL FOR HEAT-RELATED HEALTH ISSUES WILL BE HIGH...ESPECIALLY FOR THE ELDERLY...FOR THOSE ALREADY IN POOR HEALTH AND FOR THOSE OUTDOORS FOR AN EXTENDED PERIOD. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS EXPECTED. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A SITUATION IN WHICH HEAT ILLNESSES ARE POSSIBLE. DRINK PLENTY OF FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN...AND CHECK UP ON RELATIVES AND NEIGHBORS. TAKE EXTRA PRECAUTIONS...IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. YOUNG CHILDREN AND PETS SHOULD NEVER BE LEFT UNATTENDED IN VEHICLES UNDER ANY CIRCUMSTANCES. DURING WARM OR HOT WEATHER CAR INTERIORS CAN REACH LETHAL TEMPERATURES IN A MATTER OF MINUTES. TO REDUCE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE IS AN EMERGENCY...CALL 9 1 1. && $$ JRK
1 follow-up statement
905 WWUS71 KPHI 262216 NPWPHI URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 616 PM EDT TUE JUL 26 2016 DEZ002-003-MDZ015-019-020-262330- /O.CAN.KPHI.HT.Y.0005.000000T0000Z-160726T2300Z/ KENT-INLAND SUSSEX-QUEEN ANNES-TALBOT-CAROLINE- INCLUDING THE CITIES OF...DOVER...GEORGETOWN...CENTREVILLE... EASTON...DENTON 616 PM EDT TUE JUL 26 2016 ...HEAT ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS CANCELLED THE HEAT ADVISORY. THE HEAT INDICES ARE BELOW CRITERIA AND THEREFORE THE ADVISORY HAS BEEN CANCELLED. $$
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 25, 9:06 PM EDT | Special Weather Statement | PHI | Cecil | 24 min |
| Jul 25, 8:40 PM EDT | Special Weather Statement | PHI | New Castle | 35 min |
| Jul 26, 12:31 AM EDT | Special Weather Statement | PHI | Sussex | 44 min |
Nearby
Heat Advisories in Maryland, 2016Heat Advisories in Delaware, 2016Every heat advisory 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.