Alert archive / Tennessee / Wind Advisories in 2012
Wind Advisory 9, NWS Morristown, TN
NWS Morristown, TN issued this wind advisory at Mar 5, 2012, 3:17 AM EST for 7 counties in Tennessee. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Mar 5, 2012, 3:17 AM EST (08:17 UTC)
- Expired
- Mar 5, 2012, 12:00 PM EST
- In force
- 9 hr
- Issued by
- NWS Morristown, TN
Counties Blount County, TN, Carter County, TN, Cocke County, TN, Greene County, TN, Johnson County, TN, Sevier County, TN, Unicoi County, TN
The radar
The Knoxville radar (KMRX), 53 km from the middle of the area, began a volume at 08:18 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 00:00Z, 8.3 hours before the alert went out and 264 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
- 2 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 2277 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 61 m²/s²
- 0-3 km storm-relative helicity
- 116 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
731 WWUS74 KMRX 050817 NPWMRX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MORRISTOWN TN 317 AM EST MON MAR 5 2012 ...WINDY CONDITIONS EXPECTED THIS MORNING OVER THE HIGHER ELEVATIONS... .A FAST MOVING LOW PRESSURE SYSTEM AND ITS ASSOCIATED COLD FRONT WILL MOVE ACROSS THE SOUTHERN APPALACHIAN REGION THIS MORNING... BRINGING WINDY CONDITIONS ACROSS THE MOUNTAINS...MAINLY OVER THE HIGHER ELEVATIONS ABOVE 2500 FEET. TNZ018-041-043-045-047-072-074-051700- /O.NEW.KMRX.WI.Y.0009.120305T0817Z-120305T1700Z/ JOHNSON-COCKE SMOKY MOUNTAINS-SOUTHEAST GREENE-UNICOI- SOUTHEAST CARTER-BLOUNT SMOKY MOUNTAINS-SEVIER SMOKY MOUNTAINS- INCLUDING THE CITIES OF...MOUNTAIN CITY...COSBY...CEDAR CREEK... ERWIN...ROAN MOUNTAIN...CADES COVE...GATLINBURG 317 AM EST MON MAR 5 2012 ...WIND ADVISORY IN EFFECT UNTIL NOON TODAY... THE NATIONAL WEATHER SERVICE IN MORRISTOWN HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL NOON TODAY. * EVENT...WESTERLY WINDS OF 20 TO 30 MPH WITH HIGHER GUSTS... MAINLY IN THE HIGHER ELEVATIONS ABOVE 2500 FEET. * TIMING...WINDY CONDITIONS EXPECTED THIS MORNING...WITH WINDS QUICKLY DIMINISHING DURING THE AFTERNOON. * IMPACTS...WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT IN THE MOUNTAINS...ESPECIALLY FOR HIGH PROFILE VEHICLES. 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. && $$ DMG
1 follow-up statement
021 WWUS74 KMRX 051659 NPWMRX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MORRISTOWN TN 1159 AM EST MON MAR 5 2012 .THE PRESSURE GRADIENT WILL RELAX AS THE AFTERNOON PROGRESSES LEADING TO A DECREASE IN WIND SPEED OVER THE HIGHER TERRAIN. TNZ018-041-043-045-047-072-074-051800- /O.EXP.KMRX.WI.Y.0009.000000T0000Z-120305T1700Z/ JOHNSON-COCKE SMOKY MOUNTAINS-SOUTHEAST GREENE-UNICOI- SOUTHEAST CARTER-BLOUNT SMOKY MOUNTAINS-SEVIER SMOKY MOUNTAINS- INCLUDING THE CITIES OF...MOUNTAIN CITY...COSBY...CEDAR CREEK... ERWIN...ROAN MOUNTAIN...CADES COVE...GATLINBURG 1159 AM EST MON MAR 5 2012 ...WIND ADVISORY WILL EXPIRE AT NOON EST TODAY... WIND SPEED WILL GRADUALLY DECREASE THROUGH THE REMAINDER OF THE DAY ACROSS THE HIGHER TERRAIN. $$
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.