Alert archive / Tennessee / Wind Chill Advisories in 2009
Wind Chill Advisory 2, NWS Morristown, TN
NWS Morristown, TN issued this wind chill advisory at Feb 3, 2009, 2:57 PM EST for 33 counties in Tennessee; 7 counties in Virginia; Cherokee County, Clay County, North Carolina. It took effect at Feb 3, 2009, 10:00 PM EST. It was in force for 15 hr.
The area
The counties it named.
The facts
- Issued
- Feb 3, 2009, 2:57 PM EST (19:57 UTC)
- In effect from
- Feb 3, 2009, 10:00 PM EST
- Expired
- Feb 4, 2009, 1:17 PM EST
- In force
- 15 hr
- Issued by
- NWS Morristown, TN
All 42 counties
Cherokee County, NC, Clay County, NC, Anderson County, TN, Bledsoe County, TN, Blount County, TN, Bradley County, TN, Campbell County, TN, Carter County, TN, Claiborne County, TN, Cocke County, TN, Grainger County, TN, Greene County, TN, Hamblen County, TN, Hamilton County, TN, Hancock County, TN, Hawkins County, TN, Jefferson County, TN, Johnson County, TN, Knox County, TN, Loudon County, TN, Marion County, TN, McMinn County, TN, Meigs County, TN, Monroe County, TN, Morgan County, TN, Polk County, TN, Rhea County, TN, Roane County, TN, Scott County, TN, Sequatchie County, TN, Sevier County, TN, Sullivan County, TN, Unicoi County, TN, Union County, TN, Washington County, TN, City of Bristol, VA, City of Norton, VA, Lee County, VA, Russell County, VA, Scott County, VA, Washington County, VA, Wise County, VA
The radar
The Knoxville radar (KMRX), 27 km from the middle of the area, began a volume at 19:59 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
Nashville Metro, TN (KBNA), launched 12:00Z, 8.0 hours before the alert went out and 265 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
- 1817 m above ground
- 0-6 km bulk shear
- 72 kt
- 0-1 km storm-relative helicity
- 382 m²/s²
- 0-3 km storm-relative helicity
- 439 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this wind chill advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Morristown, TN wrote its last area forecast discussion before this wind chill advisory went out at Feb 3, 2:25 PM EST, 32 minutes earlier.
Area forecast discussion, Feb 3, 2:25 PM EST, 32 minutes before
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</html>Hazardous weather outlook, Feb 2, 5:05 PM EST, 21 hours 52 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MORRISTOWN TN 505 PM EST MON FEB 2 2009 NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002-005- 006-008-031000- CHEROKEE-CLAY-SCOTT TN-CAMPBELL-CLAIBORNE-HANCOCK-HAWKINS- SULLIVAN-JOHNSON-MORGAN-ANDERSON-UNION-GRAINGER-HAMBLEN- NORTHWEST COCKE-COCKE SMOKY MOUNTAINS-NORTHWEST GREENE- SOUTHEAST GREENE-WASHINGTON TN-UNICOI-NORTHWEST CARTER- SOUTHEAST CARTER-ROANE-LOUDON-KNOX-JEFFERSON-NW BLOUNT- BLOUNT SMOKY MOUNTAINS-NORTH SEVIER-SEVIER SMOKY MOUNTAINS- SEQUATCHIE-BLEDSOE-RHEA-MEIGS-MCMINN-NORTHWEST MONROE- SOUTHEAST MONROE-MARION-HAMILTON-BRADLEY-WEST POLK-EAST POLK-LEE- WISE-SCOTT-RUSSELL-WASHINGTON- 505 PM EST (405 PM CST) MON FEB 2 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST TENNESSEE...SOUTHWEST VIRGINIA AND EXTREME SOUTHWEST NORTH CAROLINA. .DAY ONE...TODAY AND TONIGHT COLDER AIR WILL MOVE INTO THE REGION TONIGHT...WITH TEMPERATURES EXPECTED TO FALL BELOW FREEZING. THIS MAY CAUSE SOME BLACK ICE TO FORM IN AREAS WHERE MOISTURE LINGERS FROM EARLIER PRECIPITATION... ESPECIALLY ON SECONDARY ROADS AND BRIDGES. OTHERWISE...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY ANOTHER WAVE OF SCATTERED SNOW SHOWERS IS EXPECTED TO DEVELOP ACROSS THE REGION BY TUESDAY AFTERNOON...AND CONTINUE THROUGH WEDNESDAY. ADDITIONAL SIGNIFICANT SNOWFALL ACCUMULATIONS WILL BE POSSIBLE ACROSS SOUTHWEST VIRGINIA AND THE MOUNTAINS OF EAST TENNESSEE... WHERE A WINTER STORM WATCH IS IN EFFECT FOR TUESDAY AFTERNOON THROUGH WEDNESDAY. PLEASE SEE MEMWSWMRX FOR FURTHER DETAILS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED FOR SNOWFALL REPORTS ON WEDNESDAY.
The office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 3, 4:28 AM EST | Winter Weather Advisory | MRX | Anderson, Blount, Campbell, Carter, Claiborne, Cocke and 18 more | 47 hr |
| Feb 3, 10:10 AM EST | Winter Storm Warning | MRX | Blount, Carter, Cocke, Greene, Johnson, Sevier and 1 more | 41 hr |
Nearby
Wind Chill Advisories in Tennessee, 2009Wind Chill Advisories in Virginia, 2009Wind Chill Advisories in North Carolina, 2009Every wind chill advisory in 2009
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.