Alert archive / Tennessee / Wind Advisories in 2012

Wind Advisory 3, NWS Morristown, TN

January 22, 20128 counties in Tennessee

NWS Morristown, TN issued this wind advisory at Jan 22, 2012, 2:45 PM EST for 8 counties in Tennessee. It took effect at Jan 22, 2012, 10:00 PM EST. It was in force for 13 hr.

The area

The counties it named.

The facts

Issued
Jan 22, 2012, 2:45 PM EST (19:45 UTC)
In effect from
Jan 22, 2012, 10:00 PM EST
Expired
Jan 23, 2012, 11:17 AM EST
In force
13 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

The radar

The Knoxville radar (KMRX), 41 km from the middle of the area, began a volume at 19:51 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

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 7.8 hours before the alert went out and 280 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 12:00Z on 2012-01-22Temperature 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 12:00Z on 2012-01-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 53 square meters per square second.193958Sfc1 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
619 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
53 m²/s²
0-3 km storm-relative helicity
176 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.

030 
WWUS74 KMRX 221945
NPWMRX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MORRISTOWN TN
245 PM EST SUN JAN 22 2012

...WINDY CONDITIONS TONIGHT INTO MONDAY OVER THE MOUNTAINS...

.A STRONG LOW PRESSURE SYSTEM WILL TRACK FROM THE CENTRAL PLAINS
INTO THE GREAT LAKES REGION...AND WILL PUSH A COLD FRONT THROUGH
OUR AREA ON MONDAY. THE TIGHT PRESSURE GRADIENT AROUND THIS SYSTEM
WILL LEAD TO WINDY CONDITIONS AT TIMES ACROSS THE TENNESSEE
MOUNTAINS TONIGHT INTO MONDAY.

TNZ018-041-043-045-047-072-074-087-230400-
/O.NEW.KMRX.WI.Y.0003.120123T0300Z-120123T2100Z/
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
245 PM EST SUN JAN 22 2012

...WIND ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 4 PM EST
MONDAY...

THE NATIONAL WEATHER SERVICE IN MORRISTOWN HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 10 PM THIS EVENING TO 4 PM EST
MONDAY. 

* WINDS WILL INCREASE THIS EVENING AND WILL REACH SPEEDS OF 20 TO
  30 MPH WITH GUSTS TO AROUND 45 MPH AT TIMES ACROSS SOME OF THE
  HIGHER ELEVATIONS TONIGHT. THE WINDY CONDITIONS WILL CONTINUE
  INTO MONDAY...BEFORE WINDS BEGIN TO SUBSIDE LATER MONDAY
  AFTERNOON.

* DRIVING MAY BE DIFFICULT AT TIMES ESPECIALLY WHERE ROADS CROSS
  HIGHER ELEVATION AREAS. IN ADDITION...A FEW TREES OR POWER LINES
  MAY BE DOWNED.

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.

&&

$$
3 follow-up statements
048 
WWUS74 KMRX 230152
NPWMRX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MORRISTOWN TN
852 PM EST SUN JAN 22 2012

...WINDY CONDITIONS TONIGHT AND MONDAY OVER THE MOUNTAINS AND THEIR
ADJACENT FOOTHILLS...

.A STRONG LOW PRESSURE SYSTEM WILL MOVE ACROSS THE TENNESSEE RIVER
VALLEY LATE TONIGHT...WITH HIGH PRESSURE REMAINING ANCHORED OVER
THE CAROLINAS. THE TIGHT PRESSURE GRADIENT BETWEEN THESE TWO SYSTEMS
WILL LEAD TO WINDY CONDITIONS OVER THE MOUNTAINS AND THEIR ADJACENT
FOOTHILLS TONIGHT AND INTO MONDAY.


TNZ018-041-043-045-047-072-074-087-231000-
/O.CON.KMRX.WI.Y.0003.120123T0300Z-120123T2100Z/
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
852 PM EST SUN JAN 22 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST MONDAY...

* EVENT: SUSTAINED WINDS OF 20 TO 30 MPH...WITH HIGHER GUSTS UP TO
  55 MPH AT TIMES...WILL CONTINUE TONIGHT AND INTO MONDAY ACROSS
  THE HIGHER ELEVATIONS AND THEIR ADJACENT FOOTHILLS.

* IMPACTS: DRIVING MAY BE DIFFICULT AT TIMES...ESPECIALLY WHERE
  ROADS CROSS THE HIGHER ELEVATIONS. IN ADDITION...A FEW TREES OR
  POWER LINES MAY BE DOWNED.


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.

&&

$$

DMG
597 
WWUS74 KMRX 230940
NPWMRX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MORRISTOWN TN
440 AM EST MON JAN 23 2012

...WINDY CONDITIONS TODAY OVER THE MOUNTAINS AND THEIR ADJACENT
FOOTHILLS...

.A STRONG LOW PRESSURE SYSTEM WILL MOVE ACROSS THE TENNESSEE
RIVER VALLEY THIS MORNING...WITH HIGH PRESSURE REMAINING ANCHORED
OVER THE EASTERN CAROLINAS. THE TIGHT PRESSURE GRADIENT BETWEEN
THESE TWO SYSTEMS WILL LEAD TO WINDY CONDITIONS OVER THE MOUNTAINS
AND THEIR ADJACENT FOOTHILLS TODAY.

TNZ018-041-043-045-047-072-074-087-231745-
/O.CON.KMRX.WI.Y.0003.000000T0000Z-120123T2100Z/
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
440 AM EST MON JAN 23 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON...

* EVENT: SUSTAINED WINDS OF 20 TO 30 MPH...WITH HIGHER GUSTS UP TO
  55 MPH AT TIMES...ACROSS THE HIGHER ELEVATIONS AND THEIR
  ADJACENT FOOTHILLS.

* IMPACTS: DRIVING MAY BE DIFFICULT AT TIMES...ESPECIALLY WHERE 
  ROADS CROSS THE HIGHER ELEVATIONS. IN ADDITION...A FEW TREES 
  OR POWER LINES MAY BE DOWNED. 

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.

&&

$$
624 
WWUS74 KMRX 231617 AAA
NPWMRX

URGENT - WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE MORRISTOWN TN
1117 AM EST MON JAN 23 2012

TNZ018-041-043-045-047-072-074-087-231730-
/O.CAN.KMRX.WI.Y.0003.000000T0000Z-120123T2100Z/
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
1117 AM EST MON JAN 23 2012

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MORRISTOWN HAS CANCELLED THE WIND
ADVISORY. 

BREEZY WEST TO SOUTHWEST SUSTAINED WINDS UP TO THE 15 TO 25 MPH
RANGE ARE EXPECTED THIS AFTERNOON...HOWEVER THESE EXPECTED WINDS
ARE BELOW ADVISORY CRITERIA...THEREFORE THE WIND ADVISORY HAS BEEN
CANCELLED.

$$

Nearby

Wind Advisories in Tennessee, 2012Every wind advisory in 2012

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.