Alert archive / Tennessee / High Wind Warnings in 2011

High Wind Warning 7, NWS Morristown, TN

December 27, 20119 counties in Tennessee; Russell County, Washington County, City of Bristol, Virginia

NWS Morristown, TN issued this high wind warning at Dec 27, 2011, 3:23 AM EST for 9 counties in Tennessee; Russell County, Washington County, City of Bristol, Virginia. It was in force for 7 hr. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Dec 27, 2011, 3:23 AM EST (08:23 UTC)
Expired
Dec 27, 2011, 10:00 AM EST
In force
7 hr
Issued by
NWS Morristown, TN

Counties Blount County, TN, Carter County, TN, Cocke County, TN, Greene County, TN, Johnson County, TN, Monroe County, TN, Sevier County, TN, Unicoi County, TN, Washington County, TN, City of Bristol, VA, Russell County, VA, Washington County, VA

The radar

The Knoxville radar (KMRX), 60 km from the middle of the area, began a volume at 08:26 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.

What was reported inside it

TimeReportWhereRemark
Dec 27, 8:30 AM ESTNON-TSTM WND GST 82Camp Creek, TNNUMEROUS TREES DOWN IN THE CAMP CREEK AREA

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 8.4 hours before the alert went out and 255 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.

Skew-T log-pSkew-T log-p diagram, Greensboro/Hi Pt, NC at 00:00Z on 2011-12-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Greensboro/Hi Pt, NC at 00:00Z on 2011-12-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 26 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2333 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
26 m²/s²
0-3 km storm-relative helicity
74 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

399 
WWUS74 KMRX 270823
NPWMRX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MORRISTOWN TN
323 AM EST TUE DEC 27 2011

...WINDY CONDITIONS EXPECTED TODAY ACROSS ALL OF EAST TENNESSEE...
SOUTHWEST VIRGINIA...AND SOUTHWEST NORTH CAROLINA...

.A STRONG STORM SYSTEM WILL MOVE ACROSS THE SOUTHERN APPALACHIANS
TODAY PRODUCING STRONG SOUTHERLY WINDS AHEAD OF THE FRONT ACROSS
THE HIGHER ELEVATIONS AND ADJACENT FOOTHILLS. AS THE FRONT MOVES
EAST ACROSS THE AREA THIS MORNING...STRONG AND GUSTY SOUTHWEST
WINDS CAN BE EXPECTED AREA-WIDE THIS AFTERNOON.


TNZ018-041-043-045-047-072-074-087-271630-
/O.UPG.KMRX.WI.Y.0021.000000T0000Z-111227T1500Z/
/O.NEW.KMRX.HW.W.0007.111227T0823Z-111227T1500Z/
/O.NEW.KMRX.WI.Y.0022.111227T1500Z-111227T2300Z/
JOHNSON-COCKE SMOKY MOUNTAINS-SOUTHEAST GREENE-UNICOI-
SOUTHEAST CARTER-BLOUNT SMOKY MOUNTAINS-SEVIER SMOKY MOUNTAINS-
SOUTHEAST MONROE-
INCLUDING THE CITIES OF...MOUNTAIN CITY...COSBY...CEDAR CREEK...
ERWIN...ROAN MOUNTAIN...CADES COVE...GATLINBURG...COKER CREEK
323 AM EST TUE DEC 27 2011

...HIGH WIND WARNING IN EFFECT UNTIL 10 AM EST THIS MORNING...
...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 6 PM EST
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN MORRISTOWN HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT UNTIL 10 AM EST THIS MORNING. A WIND
ADVISORY HAS ALSO BEEN ISSUED. THIS WIND ADVISORY IS IN EFFECT
FROM 10 AM THIS MORNING TO 6 PM EST THIS EVENING. 

* EVENT...SOUTH WINDS BETWEEN 25 AND 40 MPH WITH GUSTS TO 70 MPH
  CAN BE EXPECTED ACROSS THE MOUNTAINS AND ADJACENT FOOTHILLS.
  WINDS WILL BECOME SOUTHWEST 20 TO 30 MPH WITH GUSTS TO 40 MPH AFTER
  THE FRONTAL PASSAGE THIS MORNING.

* TIMING...STRONG AND GUSTY WINDS...ESPECIALLY THIS MORNING...WILL
  DIMINISH THIS EVENING TO WESTERLY 15 TO 25 MPH AND GUSTY.

* IMPACTS...WINDS MAY DOWN TREES OR TREE LIMBS...AND POWER 
  LINES. LOOSE OUTDOOR OBJECTS SHOULD BE SECURED. MOTORISTS 
  SHOULD BE EXTRA CAUTIOUS TO CROSS WINDS WHEN DRIVING IN THE 
  HIGHER ELEVATIONS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH AND/OR
GUSTS OF 58 MPH OR HIGHER CAN BE EXPECTED AT TIMES.  WINDS OF
THESE MAGNITUDES CAN CAUSE PROPERTY DAMAGE AND POWER OUTAGES.
MOTORISTS SHOULD USE CAUTION...ESPECIALLY THOSE IN HIGH PROFILE
VEHICLES.

A WIND ADVISORY MEANS THAT WINDS OF 26 TO 39 MPH AND/OR GUSTS OF
40 TO 57 MPH ARE EXPECTED OR OCCURRING. WINDS THIS STRONG CAN
MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES...
SO USE CAUTION WHEN DRIVING.

&&

$$

TNZ040-042-044-046-071-073-086-VAZ006-008-271630-
/O.NEW.KMRX.HW.W.0007.111227T0823Z-111227T1500Z/
/O.NEW.KMRX.WI.Y.0022.111227T1500Z-111227T2300Z/
NORTHWEST COCKE-NORTHWEST GREENE-WASHINGTON TN-NORTHWEST CARTER-
NW BLOUNT-NORTH SEVIER-NORTHWEST MONROE-RUSSELL-WASHINGTON-
INCLUDING THE CITIES OF...NEWPORT...GREENEVILLE...JOHNSON CITY...
ELIZABETHTON...MARYVILLE...SEVIERVILLE...MADISONVILLE...LEBANON...
ABINGDON
323 AM EST TUE DEC 27 2011

...HIGH WIND WARNING IN EFFECT UNTIL 10 AM EST THIS MORNING...
...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 6 PM EST
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN MORRISTOWN HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT UNTIL 10 AM EST THIS MORNING. A WIND
ADVISORY HAS ALSO BEEN ISSUED. THIS WIND ADVISORY IS IN EFFECT
FROM 10 AM THIS MORNING TO 6 PM EST THIS EVENING. 


* EVENT...SOUTH WINDS BETWEEN 25 AND 40 MPH WITH GUSTS TO 70 MPH
  CAN BE EXPECTED ACROSS THE FOOTHILLS. WINDS WILL BECOME SOUTHWEST
  20 TO 30 MPH WITH GUSTS TO 40 MPH AREA-WIDE AFTER THE FRONTAL
  PASSAGE THIS MORNING.

* TIMING...STRONG AND GUSTY WINDS...ESPECIALLY THIS MORNING...WILL
  DIMINISH THIS EVENING TO WESTERLY 15 TO 25 MPH AND GUSTY.

* IMPACTS...WINDS MAY DOWN TREES OR TREE LIMBS...AND POWER LINES.
  LOOSE OUTDOOR OBJECTS SHOULD BE SECURED. MOTORISTS SHOULD BE
  EXTRA CAUTIOUS TO CROSS WINDS WHEN DRIVING IN THE HIGHER
  ELEVATIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH AND/OR
GUSTS OF 58 MPH OR HIGHER CAN BE EXPECTED AT TIMES.  WINDS OF
THESE MAGNITUDES CAN CAUSE PROPERTY DAMAGE AND POWER OUTAGES.
MOTORISTS SHOULD USE CAUTION...ESPECIALLY THOSE IN HIGH PROFILE
VEHICLES.

A WIND ADVISORY MEANS THAT WINDS OF 26 TO 39 MPH AND/OR GUSTS OF
40 TO 57 MPH ARE EXPECTED OR OCCURRING. WINDS THIS STRONG CAN
MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES...
SO USE CAUTION WHEN DRIVING.

&&

$$

NCZ060-061-TNZ101-102-271630-
/O.NEW.KMRX.WI.Y.0022.111227T0823Z-111227T2300Z/
CHEROKEE-CLAY-WEST POLK-EAST POLK-
INCLUDING THE CITIES OF...MURPHY...HAYESVILLE...BENTON...DUCKTOWN
323 AM EST TUE DEC 27 2011

...WIND ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING...

THE NATIONAL WEATHER SERVICE IN MORRISTOWN HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 6 PM EST THIS EVENING. 


* EVENT...SOUTH WINDS BETWEEN 15 AND 30 MPH WITH GUSTS TO 40 MPH
  CAN BE EXPECTED ACROSS THE MOUNTAINS AND ADJACENT FOOTHILLS.
  WINDS WILL BECOME SOUTHWEST 20 TO 30 MPH WITH GUSTS TO 40 MPH
  AFTER THE FRONTAL PASSAGE THIS MORNING.

* TIMING...STRONG AND GUSTY WINDS...ESPECIALLY THIS MORNING...WILL
  DIMINISH THIS EVENING TO WESTERLY 15 TO 25 MPH AND GUSTY.

* IMPACTS...WINDS MAY DOWN TREES OR TREE LIMBS...AND POWER LINES.
  LOOSE OUTDOOR OBJECTS SHOULD BE SECURED. MOTORISTS SHOULD BE
  EXTRA CAUTIOUS TO CROSS WINDS WHEN DRIVING IN THE HIGHER
  ELEVATIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 26 TO 39 MPH AND/OR GUSTS OF
40 TO 57 MPH ARE EXPECTED OR OCCURRING. WINDS THIS STRONG CAN
MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES...
SO USE CAUTION WHEN DRIVING.

&&

$$

TNZ012>017-035>039-067>070-081>085-098>100-VAZ001-002-005-271630-
/O.NEW.KMRX.WI.Y.0022.111227T1600Z-111227T2300Z/
SCOTT TN-CAMPBELL-CLAIBORNE-HANCOCK-HAWKINS-SULLIVAN-MORGAN-
ANDERSON-UNION-GRAINGER-HAMBLEN-ROANE-LOUDON-KNOX-JEFFERSON-
SEQUATCHIE-BLEDSOE-RHEA-MEIGS-MCMINN-MARION-HAMILTON-BRADLEY-LEE-
WISE-SCOTT-
INCLUDING THE CITIES OF...ONEIDA...LA FOLLETTE...TAZEWELL...
SNEEDVILLE...ROGERSVILLE...KINGSPORT...BRISTOL...WARTBURG...
CLINTON...OAK RIDGE...MAYNARDVILLE...RUTLEDGE...MORRISTOWN...
KINGSTON...LENOIR CITY...KNOXVILLE...DANDRIDGE...DUNLAP...
PIKEVILLE...DAYTON...DECATUR...ATHENS...JASPER...CHATTANOOGA...
CLEVELAND...JONESVILLE...WISE...NORTON...GATE CITY
323 AM EST TUE DEC 27 2011 /223 AM CST TUE DEC 27 2011/

...WIND ADVISORY IN EFFECT FROM 11 AM EST /10 AM CST/ THIS
MORNING TO 6 PM EST /5 PM CST/ THIS EVENING...

THE NATIONAL WEATHER SERVICE IN MORRISTOWN HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 11 AM EST /10 AM CST/ THIS
MORNING TO 6 PM EST /5 PM CST/ THIS EVENING. 

* EVENT...WINDS WILL BECOMING SOUTHWEST AND INCREASE TO 20 TO 30
  MPH WITH GUSTS TO 40 MPH LATE THIS MORNING AND AFTERNOON.

* TIMING...STRONG AND GUSTY WINDS BY THIS AFTERNOON WILL DIMINISH
  THIS EVENING TO WESTERLY 15 TO 25 MPH AND GUSTY.

* IMPACTS...LOOSE OUTDOOR OBJECTS SHOULD BE SECURED. MOTORISTS
  SHOULD BE EXTRA CAUTIOUS TO CROSS WINDS WHEN DRIVING IN THE
  HIGHER ELEVATIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 26 TO 39 MPH AND/OR GUSTS OF
40 TO 57 MPH ARE EXPECTED OR OCCURRING. WINDS THIS STRONG CAN
MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES...
SO USE CAUTION WHEN DRIVING.

&&

$$
1 follow-up statement
554 
WWUS74 KMRX 271501
NPWMRX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MORRISTOWN TN
1001 AM EST TUE DEC 27 2011

...WINDY CONDITIONS TODAY ACROSS EAST TENNESSEE...SOUTHWEST 
VIRGINIA...AND SOUTHWEST NORTH CAROLINA...

.A STRONG STORM SYSTEM MOVING ACROSS THE SOUTHERN APPALACHIANS TODAY 
WILL PRODUCE STRONG WEST TO NORTHWEST WINDS BEHIND AN EXITING COLD
FRONT.

TNZ018-040>047-071>074-086-087-VAZ006-008-272300-
/O.EXP.KMRX.HW.W.0007.000000T0000Z-111227T1500Z/
/O.CON.KMRX.WI.Y.0022.000000T0000Z-111227T2300Z/
JOHNSON-NORTHWEST COCKE-COCKE SMOKY MOUNTAINS-NORTHWEST GREENE-
SOUTHEAST GREENE-WASHINGTON TN-UNICOI-NORTHWEST CARTER-
SOUTHEAST CARTER-NW BLOUNT-BLOUNT SMOKY MOUNTAINS-NORTH SEVIER-
SEVIER SMOKY MOUNTAINS-NORTHWEST MONROE-SOUTHEAST MONROE-RUSSELL-
WASHINGTON-
INCLUDING THE CITIES OF...MOUNTAIN CITY...NEWPORT...COSBY...
GREENEVILLE...CEDAR CREEK...JOHNSON CITY...ERWIN...ELIZABETHTON...
ROAN MOUNTAIN...MARYVILLE...CADES COVE...SEVIERVILLE...
GATLINBURG...MADISONVILLE...COKER CREEK...LEBANON...ABINGDON
1001 AM EST TUE DEC 27 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST THIS EVENING...
...HIGH WIND WARNING WILL EXPIRE AT 10 AM EST THIS MORNING...

* EVENT...WEST TO NORTHWEST WINDS BETWEEN 15 AND 30 MPH WITH GUSTS
  TO 50 MPH CAN BE EXPECTED.

* TIMING...STRONG AND GUSTY WINDS TODAY.

* IMPACTS...WINDS MAY DOWN TREES OR TREE LIMBS...AND POWER 
  LINES. LOOSE OUTDOOR OBJECTS SHOULD BE SECURED. MOTORISTS 
  SHOULD BE EXTRA CAUTIOUS TO CROSS WINDS WHEN DRIVING IN THE 
  HIGHER ELEVATIONS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 26 TO 39 MPH AND/OR GUSTS OF
40 TO 57 MPH ARE EXPECTED OR OCCURRING. WINDS THIS STRONG CAN
MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES...
SO USE CAUTION WHEN DRIVING.

&&

$$

TNZ012>017-035>039-067>070-081>085-098>100-VAZ001-002-005-272300-
/O.EXT.KMRX.WI.Y.0022.111227T1501Z-111227T2300Z/
SCOTT TN-CAMPBELL-CLAIBORNE-HANCOCK-HAWKINS-SULLIVAN-MORGAN-
ANDERSON-UNION-GRAINGER-HAMBLEN-ROANE-LOUDON-KNOX-JEFFERSON-
SEQUATCHIE-BLEDSOE-RHEA-MEIGS-MCMINN-MARION-HAMILTON-BRADLEY-LEE-
WISE-SCOTT-
INCLUDING THE CITIES OF...ONEIDA...LA FOLLETTE...TAZEWELL...
SNEEDVILLE...ROGERSVILLE...KINGSPORT...BRISTOL...WARTBURG...
CLINTON...OAK RIDGE...MAYNARDVILLE...RUTLEDGE...MORRISTOWN...
KINGSTON...LENOIR CITY...KNOXVILLE...DANDRIDGE...DUNLAP...
PIKEVILLE...DAYTON...DECATUR...ATHENS...JASPER...CHATTANOOGA...
CLEVELAND...JONESVILLE...WISE...NORTON...GATE CITY
1001 AM EST TUE DEC 27 2011 /901 AM CST TUE DEC 27 2011/

...WIND ADVISORY NOW IN EFFECT UNTIL 6 PM EST /5 PM CST/ THIS
EVENING...

* EVENT...WINDS WILL BECOMING SOUTHWEST AND INCREASE TO 15 TO 30
  MPH WITH GUSTS TO 40 MPH THIS AFTERNOON.

* TIMING...STRONG AND GUSTY WINDS BY THIS AFTERNOON WILL DIMINISH
  THIS EVENING TO WESTERLY 15 TO 25 MPH.

* IMPACTS...LOOSE OUTDOOR OBJECTS SHOULD BE SECURED. MOTORISTS 
  SHOULD BE EXTRA CAUTIOUS TO CROSS WINDS WHEN DRIVING IN THE 
  HIGHER ELEVATIONS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 26 TO 39 MPH AND/OR GUSTS OF
40 TO 57 MPH ARE EXPECTED OR OCCURRING. WINDS THIS STRONG CAN
MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES...
SO USE CAUTION WHEN DRIVING.

&&

$$

NCZ060-061-TNZ101-102-272300-
/O.CON.KMRX.WI.Y.0022.000000T0000Z-111227T2300Z/
CHEROKEE-CLAY-WEST POLK-EAST POLK-
INCLUDING THE CITIES OF...MURPHY...HAYESVILLE...BENTON...DUCKTOWN
1001 AM EST TUE DEC 27 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST THIS EVENING...

* EVENT...WEST TO NORTHWEST WINDS BETWEEN 15 AND 30 MPH WITH GUSTS
  TO 40 MPH CAN BE EXPECTED ACROSS THE MOUNTAINS AND ADJACENT
  FOOTHILLS.

* TIMING...STRONG AND GUSTY WINDS...WILL DIMINISH THIS EVENING TO
  WESTERLY 15 TO 25 MPH.

* IMPACTS...WINDS MAY DOWN TREES OR TREE LIMBS...AND POWER 
  LINES. LOOSE OUTDOOR OBJECTS SHOULD BE SECURED. MOTORISTS 
  SHOULD BE EXTRA CAUTIOUS TO CROSS WINDS WHEN DRIVING IN THE 
  HIGHER ELEVATIONS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 26 TO 39 MPH AND/OR GUSTS OF
40 TO 57 MPH ARE EXPECTED OR OCCURRING. WINDS THIS STRONG CAN
MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES...
SO USE CAUTION WHEN DRIVING.

&&

$$

The office that day

Everything else NWS Morristown, TN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 27, 3:23 AM ESTWind AdvisoryMRXAnderson, Bledsoe, Blount, Bradley, Campbell, Carter and 27 more15 hr
Dec 27, 3:35 AM ESTWinter Weather AdvisoryMRXBlount, Carter, Cocke, Greene, Johnson, Sevier and 1 more30 hr

Nearby

High Wind Warnings in Tennessee, 2011High Wind Warnings in Virginia, 2011Every high wind warning in 2011

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.