Alert archive / North Carolina / Beach Hazards Statements in 2021
Beach Hazards Statement 37, NWS Newport/Morehead City, NC
NWS Newport/Morehead City, NC issued this beach hazards statement at Jul 31, 2021, 7:47 PM EDT for 4 counties in North Carolina. It took effect at Aug 1, 2021, 8:00 AM EDT. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Jul 31, 2021, 7:47 PM EDT (23:47 UTC)
- In effect from
- Aug 1, 2021, 8:00 AM EDT
- Expired
- Aug 1, 2021, 8:00 PM EDT
- In force
- 12 hr
- Issued by
- NWS Newport/Morehead City, NC
Counties Carteret County, NC, Dare County, NC, Hyde County, NC, Onslow County, NC
The radar
The Morehead City radar (KMHX), 61 km from the middle of the area, began a volume at 23:48 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
Newport, NC (KMHX), launched 12:00Z, 11.8 hours before the alert went out and 61 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
- 3073 J/kg
- Mixed-layer CIN
- -25 J/kg
- Mixed-layer LCL
- 634 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 21 m²/s²
- 0-3 km storm-relative helicity
- 61 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.4
The text
As transmitted.
160 WHUS42 KMHX 312347 CFWMHX Coastal Hazard Message National Weather Service Newport/Morehead City NC 747 PM EDT Sat Jul 31 2021 NCZ195-196-199-204-205-011200- /O.NEW.KMHX.BH.S.0037.210801T1200Z-210802T0000Z/ West Carteret-East Carteret-Coastal Onslow-Ocracoke Island- Hatteras Island- 747 PM EDT Sat Jul 31 2021 ...BEACH HAZARDS STATEMENT IN EFFECT SOUTH OF CAPE HATTERAS FROM SUNDAY MORNING THROUGH SUNDAY EVENING... * WHAT...Dangerous rip currents and strong longshore currents in the surf zone. * WHERE...The beaches from Cape Hatteras to Surf City. * WHEN...From Sunday morning through Sunday evening. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. Strong longshore currents will create dangerous swimming conditions. * ADDITIONAL DETAILS...The most likely time for strong rip currents to occur is a couple hours either side of low tide, which will occur around 8:30 AM Sunday. PRECAUTIONARY/PREPAREDNESS ACTIONS... Life-threatening rip currents. If caught in a rip current, remain calm. Swim in a direction following the shoreline. If tired, float or tread water until out of the rip current. If unable to escape, face the shore and call or wave for help. Strong longshore currents can sweep swimmers and surfers into rip currents, piers, jetties and other hazardous areas. In many cases, the longshore current is strong enough to prevent swimmers from being able to keep their feet on the bottom making it difficult to return to shore. && $$
1 follow-up statement
420 WHUS42 KMHX 010842 CFWMHX Coastal Hazard Message National Weather Service Newport/Morehead City NC 442 AM EDT Sun Aug 1 2021 NCZ195-196-199-204-205-012045- /O.CON.KMHX.BH.S.0037.210801T1200Z-210802T0000Z/ West Carteret-East Carteret-Coastal Onslow-Ocracoke Island- Hatteras Island- 442 AM EDT Sun Aug 1 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT SOUTH OF CAPE HATTERAS FROM 8 AM EDT THIS MORNING THROUGH THIS EVENING... * WHAT...Dangerous rip currents and strong longshore currents in the surf zone. * WHERE...The beaches from Cape Hatteras to Surf City. * WHEN...From Sunday morning through Sunday evening. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. Strong longshore currents will create dangerous swimming conditions. * ADDITIONAL DETAILS...The most likely time for strong rip currents to occur is a couple hours either side of low tide, which will occur around 8:30 AM Saturday. PRECAUTIONARY/PREPAREDNESS ACTIONS... Life-threatening rip currents. If caught in a rip current, remain calm. Swim in a direction following the shoreline. If tired, float or tread water until out of the rip current. If unable to escape, face the shore and call or wave for help. Strong longshore currents can sweep swimmers and surfers into rip currents, piers, jetties and other hazardous areas. In many cases, the longshore current is strong enough to prevent swimmers from being able to keep their feet on the bottom making it difficult to return to shore. && $$
The office that day
Everything else NWS Newport/Morehead City, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 31, 1:44 AM EDT | Special Marine Warning | MHX | 46 min | |
| Jul 31, 3:55 AM EDT | Small Craft Advisory | MHX | 41 hr | |
| Jul 31, 5:19 PM EDT | Special Marine Warning | MHX | 26 min | |
| Jul 31, 5:44 PM EDT | Special Marine Warning | MHX | 40 min | |
| Jul 31, 7:07 PM EDT | Special Marine Warning | MHX | 38 min |
Nearby
Beach Hazards Statements in North Carolina, 2021Every beach hazards statement in 2021
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.