Dense Fog, Grayson
- When
- February 16, 3:00 PM EST to 4:00 PM EST
- Where
- Grayson forecast zone
- Reported by
- NEWSPAPER
- Coordinates
- 36.657, -81.225 (the zone’s center; the record gives no point)
Dense Fog in Virginia, February 16, 2001
Several accidents were reported in very dense fog in eastern Grayson County during the afternoon of the 16th.
Where it happened
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 1
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
What happened
The episode as NWS RNK wrote it up.
Several accidents were reported in very dense fog in eastern Grayson County during the afternoon of the 16th.
What forecasters said that day
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Blacksburg, VA wrote its last area forecast discussion before the first event at Feb 16, 2:00 PM EST, 1 hour earlier.
Area forecast discussion, Feb 16, 2:00 PM EST, 1 hour before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BLACKSBURG, VA 200 PM EST FRI FEB 16 2001 THE FORECAST WORD FOR TNT IS RAIN...HEAVY AT TIMES FROM THE BLUE RIDGE SOUTHEAST. 17Z SFC ANALYSIS SHOWED WEDGE STILL IN PLACE THANKS TO RAIN COOLED AIR. WEDGE AS FAR SOUTH AS A RDU TO TRIAD TO UKF. RADAR COMPOSITE SHOWS PLENTY OF CONVECTION ACROSS LWR/MID MS VLY...WITH SQUALL LINE PUSHING INTO MS. MODELS IN AGREEMENT ON BRINGING TAKING S/W TROF FROM SRN AR TO NC TONIGHT...WITH AVN SOMEWHAT STRONGER WITH VORT. RIPPLES OF LOW PRS WILL MOVE ALONG ALONG A FRONT. ETA IS ACTUALLY DOING A BETTER JOB WITH CURRENT WEDGE IN PLACE OVER THE FA THAN AVN. AVN IS MOVING IT OUT TOO FAST. MAY SEE THE WEDGE CLEAR NW NC PIEDMONT AND FAR SE VA FA TONIGHT B4 CD FNTL PASSAGE. BEST INSTABILITY WILL BE WELL TO THE SOUTH...BUT TQ INDICES AROUND 17...INDICATE POSSIBLE THUNDER IN SE CWA...SO WILL LEAVE IT IN FOR THAT AREA. BOTH AVN/ETA SHOW HUGE AMOUNT OF UVM JUST ALONG AND TO THE WEST OF THE FNT BY 06Z FROM WRN NC INTO CENTRAL VA. LOOKS LIKE EVERYONE WILL HAVE CATEGORICAL POPS TONIGHT. FNT CLEARS THE AREA BY 12Z...AND SINCE IT IS NOT PLANNING ON HANGING AROUND LONG...DO NOT FORESEE A NEED FOR AN FFA. COLD AIR RUSHES IN BY 12Z...CHANGING ANY RAIN OVER THE A QUICK SHOT OF SNOW WEST OF THE BLUE RIDGE. AGREE WITH MIDNIGHT FORECASTER...THAT SINCE GROUND HAS BEEN WARM...WILL NOT SEE MUCH IN THE WAY OF ACCUMULATION. AROUND 1 INCH POSSIBLE FOR GREENBRIER VLY. FINALLY FOR LATE TONIGHT...THERE IS GOING TO BE STRONG PRESSURE RISES...AND SUBSIDENCE. MODELS SHOW GREATEST 6 HOUR PRESSURE RISES FROM 06 TO 12Z TO OCCUR OVER THE SRN APPS INTO GA...ON THE ORDER OF 10 TO 11 MBS. USUALLY A 7 MB RISE OVER 6 HOURS IS GOOD ENOUGH FOR WIND ADVISORY CRITERIA. WILL MAKE A LAST MINUTE DECISION ON ADVISORY PER COORDINATION WITH GSP. WINDY AND COLD SATURDAY WITH STEADY OR FALLING TEMPS. FLURRIES EARLY IN NW NC MTNS...AND EARLY MORNING SNOW SHOWERS IN SE WV...WITH LITTLE OR NO ACCUMULATION. MOISTURE REAL SHALLOW. OTHERWISE CLEARING. NRN STREAM ENERGY TO SHEAR EAST AND OFF THE NEW ENLAND COAST. SFC HI PRS BUILDS IN SAT NIGHT...BUT WINDS SHOULD STAY UP ENOUGH TO KEEP TEMPS FROM BOTTOMING OUT. DRY AND SEASONABLE SUNDAY...WITH NEXT WEAKER SYSTEM/CLIPPER TO MOVE INTO THE CENTRAL PLAINS BY SUNDAY EVENING. THIS SYSTEM WORKS EAST TO THE CENTRAL APPS BY MONDAY EVENING AND MAY BRING SOME LIGHT SNOW TO SE WV...BUT NOT EXPECTING MUCH...BUT WILL KEEP IT IN FOR NOW. THE EXTENDED FORECAST MODELS STILL ARE IN DISAGREEMENT. WILL STICK CLOSER TO A ECMWF SOLUTION. SO WILL KEEP THINGS DRY INTO WEDNESDAY WITH A POTENTIAL FOR RAIN OR SNOW ON THURSDAY WITH ANOTHER SYSTEM. WILL WAIT ON PMDEPD FOR FURTHER INPUT TO THE EXTENDED. PER ONE MORE COORD CALL WITH GSP...HAVE PROPOSED A WIND ADVISORY FOR LATE TONIGHT/SATURDAY FOR NRN MTNS OF NC/GRAYSON VA. PRELIM NUMBERS ONLY. FCSTID = 5 ROA 37 41 20 38 / 100 0 0 0 LYH 40 45 21 37 / 100 20 0 0 DAN 44 48 23 41 / 100 20 0 0 BLF 29 31 15 35 / 100 10 0 0 LWB 27 29 12 33 / 100 20 0 0 BCB 30 37 15 35 / 100A 0 0 0 TNB 30 34 16 38 / 100 5 0 0 .RNK... NC...WIND ADVISORY LATE TONIGHT/SATURDAY FOR NCZ001>002-018. VA...WIND ADVISORY LATE TONIGHT/SATURDAY FOR VAZ015. WV...NONE. WHP
The radar
The national radar mosaic for the moment the first event began.
Event by event
1 dense fog. Local standard time, as filed.
What these are
- Dense Fog
- Fog reducing visibility to a quarter mile or less, filed where it caused accidents or disruption.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Tornadoes and Hail in Mississippi, February 16, 2001
- Damaging Winds in Alabama, February 16, 2001
- Hail and Damaging Winds in Georgia, February 16, 2001
- Damaging Winds in Alabama, February 16, 2001
- Damaging Winds in Louisiana, February 16, 2001
- Tornado and Damaging Wind in Alabama, February 16, 2001
- Damaging Wind in Tennessee, February 16, 2001
- Damaging Wind in Tennessee, February 16, 2001
- Flash Flooding and Damaging Winds in Tennessee, February 16, 2001
- Damaging Wind in Louisiana, February 16, 2001
- Damaging Wind in Tennessee, February 16, 2001
- Tornado in Georgia, February 16, 2001
More
Every storm in Virginia in 2001Every state in 2001This day in weather historyWarnings in Virginia, February 2001
Sources
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5232430.