Alert archive / Tennessee / Heat Advisories in 2011

Heat Advisory 2, NWS Nashville, TN

July 19, 201127 counties in Tennessee

NWS Nashville, TN issued this heat advisory at Jul 19, 2011, 3:11 PM CDT for 27 counties in Tennessee. It took effect at Jul 20, 2011, 12:00 PM CDT. It was in force for 50 hr.

The area

The counties it named.

The facts

Issued
Jul 19, 2011, 3:11 PM CDT (20:11 UTC)
In effect from
Jul 20, 2011, 12:00 PM CDT
Expired
Jul 22, 2011, 1:33 PM CDT
In force
50 hr
Issued by
NWS Nashville, TN
All 27 counties

Bedford County, TN, Benton County, TN, Cheatham County, TN, Clay County, TN, Davidson County, TN, Dickson County, TN, Giles County, TN, Hickman County, TN, Houston County, TN, Humphreys County, TN, Jackson County, TN, Lawrence County, TN, Lewis County, TN, Macon County, TN, Marshall County, TN, Maury County, TN, Montgomery County, TN, Perry County, TN, Robertson County, TN, Rutherford County, TN, Smith County, TN, Stewart County, TN, Sumner County, TN, Trousdale County, TN, Wayne County, TN, Williamson County, TN, Wilson County, TN

The radar

The Nashville radar (KOHX), 44 km from the middle of the area, began a volume at 20:15 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, 8.2 hours before the alert went out and 34 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, Nashville Metro, TN at 12:00Z on 2011-07-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 695 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 12:00Z on 2011-07-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 square meters per square second.1939Sfc1 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
695 J/kg
Mixed-layer CIN
-58 J/kg
Mixed-layer LCL
863 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
102 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.

366 
WWUS74 KOHX 192012
NPWOHX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE NASHVILLE TN
311 PM CDT TUE JUL 19 2011

...ANOTHER ROUND OF HOT AND HUMID CONDITIONS EXPECTED...

.A STRONG UPPER LEVEL RIDGE OF HIGH PRESSURE LOCATED OVER THE
CENTRAL PLAINS WILL SHIFT EASTWARD OVER THE TENNESSEE VALLEY THE
NEXT FEW DAYS. ALTHOUGH THE RIDGE WILL BE WEAKENING...HIGH
TEMPERATURES REACHING THE MID TO UPPER 90S COMBINED WITH HIGH
HUMIDITY LEVELS WILL ALLOW HEAT INDEX READINGS TO RISE ABOVE 105
DEGREES EACH AFTERNOON.

TNZ005>010-022>031-056-057-059-062-200500-
/O.NEW.KOHX.HT.Y.0002.110720T1700Z-110722T0000Z/
STEWART-MONTGOMERY-ROBERTSON-SUMNER-MACON-CLAY-BENTON-HOUSTON-
HUMPHREYS-DICKSON-CHEATHAM-DAVIDSON-WILSON-TROUSDALE-SMITH-
JACKSON-PERRY-HICKMAN-WILLIAMSON-RUTHERFORD-
INCLUDING THE CITIES OF...DOVER...CLARKSVILLE...SPRINGFIELD...
GALLATIN...LAFAYETTE...CELINA...CAMDEN...ERIN...WAVERLY...
DICKSON...ASHLAND CITY...NASHVILLE...LEBANON...MOUNT JULIET...
HARTSVILLE...CARTHAGE...GAINESBORO...LOBELVILLE...CENTERVILLE...
FRANKLIN...BRENTWOOD...MURFREESBORO
311 PM CDT TUE JUL 19 2011

...HEAT ADVISORY IN EFFECT FROM NOON WEDNESDAY TO 7 PM CDT
THURSDAY...

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A HEAT
ADVISORY...WHICH IS IN EFFECT FROM NOON WEDNESDAY TO 7 PM CDT
THURSDAY. 

* EVENT...HEAT INDEX READINGS ARE EXPECTED TO REACH 105 DEGREES OR
  HIGHER WEDNESDAY AND THURSDAY AFTERNOONS.

* TIMING...HEAT INDEX READINGS WILL PEAK IN THE LATE AFTERNOON
  HOURS ON WEDNESDAY AND THURSDAY. 

* IMPACT...THE FIRST TO SUFFER FROM THE HEAT WILL BE
  CHILDREN...ELDERLY...AND PEOPLE WITH CHRONIC AILMENTS. HEAT
  EXHAUSTION...HEAT CRAMPS...AND HEAT STROKE ARE POSSIBLE DUE TO
  PROLONGED EXPOSURE TO THE HEAT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN
POSSIBLE, RESCHEDULE STRENUOUS ACTIVITIES TO EARLY MORNING OR
EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT
STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTED CLOTHING WHEN POSSIBLE
AND DRINK PLENTY OF WATER.

TO REDUCE THE RISK DURING OUTDOOR WORK THE OCCUPATIONAL SAFETY
AND HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST
BREAKS IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME
BY HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT
STROKE IS A EMERGENCY - CALL 911.

&&

$$

55
10 follow-up statements
360 
WWUS74 KOHX 200122
NPWOHX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE NASHVILLE TN
822 PM CDT TUE JUL 19 2011

...ANOTHER ROUND OF HOT AND HUMID CONDITIONS EXPECTED...

.A STRONG UPPER LEVEL RIDGE OF HIGH PRESSURE LOCATED OVER THE
CENTRAL PLAINS WILL SHIFT EASTWARD OVER THE TENNESSEE VALLEY THE
NEXT FEW DAYS. ALTHOUGH THE RIDGE WILL BE WEAKENING...HIGH
TEMPERATURES REACHING THE MID TO UPPER 90S COMBINED WITH HIGH
HUMIDITY LEVELS WILL ALLOW HEAT INDEX READINGS TO RISE ABOVE
105 DEGREES EACH AFTERNOON.

TNZ058-060-061-075-093>095-201000-
/O.EXA.KOHX.HT.Y.0002.110720T1700Z-110722T0000Z/
LEWIS-MAURY-MARSHALL-BEDFORD-WAYNE-LAWRENCE-GILES-
INCLUDING THE CITIES OF...HOHENWALD...COLUMBIA...LEWISBURG...
SHELBYVILLE...WAYNESBORO...LAWRENCEBURG...PULASKI
822 PM CDT TUE JUL 19 2011

...HEAT ADVISORY IN EFFECT FROM NOON WEDNESDAY TO 7 PM CDT
THURSDAY...

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A HEAT
ADVISORY...WHICH IS IN EFFECT FROM NOON WEDNESDAY TO 7 PM CDT
THURSDAY. 

* EVENT...HEAT INDEX READINGS ARE EXPECTED TO REACH 105 DEGREES 
  OR HIGHER WEDNESDAY AND THURSDAY AFTERNOONS. 

* TIMING...HEAT INDEX READINGS WILL PEAK IN THE LATE AFTERNOON 
  HOURS ON WEDNESDAY AND THURSDAY. 

* IMPACT...THE FIRST TO SUFFER FROM THE HEAT WILL BE CHILDREN... 
  ELDERLY...AND PEOPLE WITH CHRONIC AILMENTS. HEAT EXHAUSTION... 
  HEAT CRAMPS...AND HEAT STROKE ARE POSSIBLE DUE TO PROLONGED 
  EXPOSURE TO THE HEAT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN
POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY MORNING OR
EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT
STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTED CLOTHING WHEN POSSIBLE
AND DRINK PLENTY OF WATER.

TO REDUCE THE RISK DURING OUTDOOR WORK THE OCCUPATIONAL SAFETY
AND HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST
BREAKS IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME
BY HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT
STROKE IS A EMERGENCY - CALL 9 1 1.

&&

$$

TNZ005>010-022>031-056-057-059-062-201000-
/O.CON.KOHX.HT.Y.0002.110720T1700Z-110722T0000Z/
STEWART-MONTGOMERY-ROBERTSON-SUMNER-MACON-CLAY-BENTON-HOUSTON-
HUMPHREYS-DICKSON-CHEATHAM-DAVIDSON-WILSON-TROUSDALE-SMITH-
JACKSON-PERRY-HICKMAN-WILLIAMSON-RUTHERFORD-
INCLUDING THE CITIES OF...DOVER...CLARKSVILLE...SPRINGFIELD...
GALLATIN...LAFAYETTE...CELINA...CAMDEN...ERIN...WAVERLY...
DICKSON...ASHLAND CITY...NASHVILLE...LEBANON...MOUNT JULIET...
HARTSVILLE...CARTHAGE...GAINESBORO...LOBELVILLE...CENTERVILLE...
FRANKLIN...BRENTWOOD...MURFREESBORO
822 PM CDT TUE JUL 19 2011

...HEAT ADVISORY REMAINS IN EFFECT FROM NOON WEDNESDAY TO 7 PM
CDT THURSDAY...

* EVENT...HEAT INDEX READINGS ARE EXPECTED TO REACH 105 DEGREES 
  OR HIGHER WEDNESDAY AND THURSDAY AFTERNOONS. 

* TIMING...HEAT INDEX READINGS WILL PEAK IN THE LATE AFTERNOON 
  HOURS ON WEDNESDAY AND THURSDAY. 

* IMPACT...THE FIRST TO SUFFER FROM THE HEAT WILL BE CHILDREN... 
  ELDERLY...AND PEOPLE WITH CHRONIC AILMENTS. HEAT EXHAUSTION... 
  HEAT CRAMPS...AND HEAT STROKE ARE POSSIBLE DUE TO PROLONGED 
  EXPOSURE TO THE HEAT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN
POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY MORNING OR
EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT
STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTED CLOTHING WHEN POSSIBLE
AND DRINK PLENTY OF WATER.

TO REDUCE THE RISK DURING OUTDOOR WORK THE OCCUPATIONAL SAFETY
AND HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST
BREAKS IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME
BY HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT
STROKE IS A EMERGENCY - CALL 9 1 1.

&&

$$
050 
WWUS74 KOHX 200911
NPWOHX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE NASHVILLE TN
411 AM CDT WED JUL 20 2011

...ANOTHER ROUND OF HOT AND HUMID CONDITIONS EXPECTED...

.A STRONG UPPER LEVEL RIDGE OF HIGH PRESSURE LOCATED OVER THE
CENTRAL PLAINS WILL SHIFT EASTWARD OVER THE TENNESSEE VALLEY.
HIGH TEMPERATURES REACHING THE MID TO UPPER 90S COMBINED WITH
ELEVATED HUMIDITY LEVELS WILL ALLOW HEAT INDEX READINGS TO RISE
TO AROUND 105 DEGREES EACH AFTERNOON.

TNZ005>010-022>031-056>062-075-093>095-202130-
/O.CON.KOHX.HT.Y.0002.110720T1700Z-110722T0000Z/
STEWART-MONTGOMERY-ROBERTSON-SUMNER-MACON-CLAY-BENTON-HOUSTON-
HUMPHREYS-DICKSON-CHEATHAM-DAVIDSON-WILSON-TROUSDALE-SMITH-
JACKSON-PERRY-HICKMAN-LEWIS-WILLIAMSON-MAURY-MARSHALL-RUTHERFORD-
BEDFORD-WAYNE-LAWRENCE-GILES-
INCLUDING THE CITIES OF...DOVER...CLARKSVILLE...SPRINGFIELD...
GALLATIN...LAFAYETTE...CELINA...CAMDEN...ERIN...WAVERLY...
DICKSON...ASHLAND CITY...NASHVILLE...LEBANON...MOUNT JULIET...
HARTSVILLE...CARTHAGE...GAINESBORO...LOBELVILLE...CENTERVILLE...
HOHENWALD...FRANKLIN...BRENTWOOD...COLUMBIA...LEWISBURG...
MURFREESBORO...SHELBYVILLE...WAYNESBORO...LAWRENCEBURG...PULASKI
411 AM CDT WED JUL 20 2011

...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 7 PM CDT
THURSDAY...

* EVENT...HEAT INDEX READINGS ARE EXPECTED TO RISE TO AROUND 105
  DEGREES OR HIGHER WEDNESDAY AND THURSDAY AFTERNOONS.

* TIMING...HEAT INDEX READINGS WILL PEAK IN THE LATE AFTERNOON 
  HOURS ON WEDNESDAY AND THURSDAY. 

* IMPACT...THE FIRST TO SUFFER FROM THE HEAT WILL BE CHILDREN...
  THE ELDERLY...AND PEOPLE WITH CHRONIC AILMENTS. HEAT
  EXHAUSTION... HEAT CRAMPS...AND HEAT STROKE ARE POSSIBLE DUE TO
  PROLONGED EXPOSURE TO THE HEAT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN
POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY MORNING OR
EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT
STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTED CLOTHING WHEN POSSIBLE
AND DRINK PLENTY OF WATER.

TO REDUCE THE RISK DURING OUTDOOR WORK THE OCCUPATIONAL SAFETY
AND HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST
BREAKS IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME
BY HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT
STROKE IS A EMERGENCY - CALL 9 1 1.

&&

$$

JLM
651 
WWUS74 KOHX 202015
NPWOHX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE NASHVILLE TN
ISSUED BY NATIONAL WEATHER SERVICE MORRISTOWN TN
315 PM CDT WED JUL 20 2011

...HOT AND HUMID CONDITIONS EXPECTED TO CONTINUE...

.A STRONG UPPER LEVEL RIDGE WAS BUILDING INTO THE REGION THIS
AFTERNOON AND WILL CONTINUE TO KEEP DANGEROUS LEVELS OF
TEMPERATURES AND HUMIDITY OVER THE AREA THROUGH AT LEAST THURSDAY.
HIGH TEMPERATURES REACHING THE MID TO UPPER 90S COMBINED WITH
ELEVATED HUMIDITY LEVELS WILL ALLOW HEAT INDEX READINGS TO RISE TO
AROUND 105 DEGREES EACH AFTERNOON. BY FRIDAY...READINGS ARE NOT
EXPECTED TO BE QUITE AS HOT AS MORE CLOUDS AND BETTER CHANCES FOR
SHOWERS MOVE INTO THE AREA.

TNZ005>010-022>031-056>062-075-093>095-210415-
/O.CON.KOHX.HT.Y.0002.000000T0000Z-110722T0000Z/
STEWART-MONTGOMERY-ROBERTSON-SUMNER-MACON-CLAY-BENTON-HOUSTON-
HUMPHREYS-DICKSON-CHEATHAM-DAVIDSON-WILSON-TROUSDALE-SMITH-
JACKSON-PERRY-HICKMAN-LEWIS-WILLIAMSON-MAURY-MARSHALL-RUTHERFORD-
BEDFORD-WAYNE-LAWRENCE-GILES-
INCLUDING THE CITIES OF...DOVER...CLARKSVILLE...SPRINGFIELD...
GALLATIN...LAFAYETTE...CELINA...CAMDEN...ERIN...WAVERLY...
DICKSON...ASHLAND CITY...NASHVILLE...LEBANON...MOUNT JULIET...
HARTSVILLE...CARTHAGE...GAINESBORO...LOBELVILLE...CENTERVILLE...
HOHENWALD...FRANKLIN...BRENTWOOD...COLUMBIA...LEWISBURG...
MURFREESBORO...SHELBYVILLE...WAYNESBORO...LAWRENCEBURG...PULASKI
315 PM CDT WED JUL 20 2011

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THURSDAY...

* TIMING...HEAT INDEX READINGS WILL PEAK IN THE LATE AFTERNOON
  HOURS TODAY AND AGAIN THURSDAY.

* IMPACT...THE FIRST TO SUFFER FROM THE HEAT WILL BE CHILDREN... 
  THE ELDERLY...AND PEOPLE WITH CHRONIC AILMENTS. HEAT 
  EXHAUSTION... HEAT CRAMPS...AND HEAT STROKE ARE POSSIBLE DUE 
  TO PROLONGED EXPOSURE TO THE HEAT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN
POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY MORNING OR
EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT
STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTED CLOTHING WHEN POSSIBLE
AND DRINK PLENTY OF WATER.

TO REDUCE THE RISK DURING OUTDOOR WORK THE OCCUPATIONAL SAFETY
AND HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST
BREAKS IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME
BY HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT
STROKE IS A EMERGENCY - CALL 9 1 1.

&&

$$
252 
WWUS74 KOHX 210206
NPWOHX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE NASHVILLE TN
906 PM CDT WED JUL 20 2011

...HOT AND HUMID CONDITIONS EXPECTED TO CONTINUE...

.A STRONG UPPER LEVEL HIGH OVER THE REGION WILL CONTINUE TO KEEP
DANGEROUS LEVELS OF TEMPERATURES AND HUMIDITY OVER THE AREA
THROUGH THURSDAY. HIGH TEMPERATURES REACHING THE MID TO UPPER 90S
COMBINED WITH ELEVATED HUMIDITY LEVELS WILL ALLOW HEAT INDEX
READINGS TO RISE TO AROUND 105 DEGREES THURSDAY AFTERNOON.

TNZ005>010-022>031-056>062-075-093>095-211100-
/O.CON.KOHX.HT.Y.0002.000000T0000Z-110722T0000Z/
STEWART-MONTGOMERY-ROBERTSON-SUMNER-MACON-CLAY-BENTON-HOUSTON-
HUMPHREYS-DICKSON-CHEATHAM-DAVIDSON-WILSON-TROUSDALE-SMITH-
JACKSON-PERRY-HICKMAN-LEWIS-WILLIAMSON-MAURY-MARSHALL-RUTHERFORD-
BEDFORD-WAYNE-LAWRENCE-GILES-
INCLUDING THE CITIES OF...DOVER...CLARKSVILLE...SPRINGFIELD...
GALLATIN...LAFAYETTE...CELINA...CAMDEN...ERIN...WAVERLY...
DICKSON...ASHLAND CITY...NASHVILLE...LEBANON...MOUNT JULIET...
HARTSVILLE...CARTHAGE...GAINESBORO...LOBELVILLE...CENTERVILLE...
HOHENWALD...FRANKLIN...BRENTWOOD...COLUMBIA...LEWISBURG...
MURFREESBORO...SHELBYVILLE...WAYNESBORO...LAWRENCEBURG...PULASKI
906 PM CDT WED JUL 20 2011

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THURSDAY...

* TIMING...HEAT INDEX READINGS WILL PEAK IN THE LATE AFTERNOON
  HOURS THURSDAY.

* IMPACT...THE FIRST TO SUFFER FROM THE HEAT WILL BE CHILDREN... 
  THE ELDERLY...AND PEOPLE WITH CHRONIC AILMENTS. HEAT 
  EXHAUSTION... HEAT CRAMPS...AND HEAT STROKE ARE POSSIBLE DUE 
  TO PROLONGED EXPOSURE TO THE HEAT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN
POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY MORNING OR
EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT
STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTED CLOTHING WHEN POSSIBLE
AND DRINK PLENTY OF WATER.

TO REDUCE THE RISK DURING OUTDOOR WORK THE OCCUPATIONAL SAFETY
AND HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST
BREAKS IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME
BY HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT
STROKE IS A EMERGENCY - CALL 9 1 1.

&&

$$
640 
WWUS74 KOHX 210814
NPWOHX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE NASHVILLE TN
314 AM CDT THU JUL 21 2011

...HOT AND HUMID CONDITIONS EXPECTED TO CONTINUE...

.A STRONG UPPER LEVEL HIGH OVER THE REGION WILL CONTINUE TO KEEP
DANGEROUS LEVELS OF TEMPERATURES AND HUMIDITY OVER THE AREA
THROUGH THURSDAY. HIGH TEMPERATURES WILL REACH THE MID TO UPPER
90S TODAY AND MID 90S ON FRIDAY. THE HEAT COMBINED WITH ELEVATED
HUMIDITY LEVELS WILL ALLOW HEAT INDEX READINGS TO RISE TO AROUND
105 DEGREES THURSDAY AFTERNOON.

TNZ005>010-022>031-056>062-075-093>095-212130-
/O.EXT.KOHX.HT.Y.0002.000000T0000Z-110723T0000Z/
STEWART-MONTGOMERY-ROBERTSON-SUMNER-MACON-CLAY-BENTON-HOUSTON-
HUMPHREYS-DICKSON-CHEATHAM-DAVIDSON-WILSON-TROUSDALE-SMITH-
JACKSON-PERRY-HICKMAN-LEWIS-WILLIAMSON-MAURY-MARSHALL-RUTHERFORD-
BEDFORD-WAYNE-LAWRENCE-GILES-
INCLUDING THE CITIES OF...DOVER...CLARKSVILLE...SPRINGFIELD...
GALLATIN...LAFAYETTE...CELINA...CAMDEN...ERIN...WAVERLY...
DICKSON...ASHLAND CITY...NASHVILLE...LEBANON...MOUNT JULIET...
HARTSVILLE...CARTHAGE...GAINESBORO...LOBELVILLE...CENTERVILLE...
HOHENWALD...FRANKLIN...BRENTWOOD...COLUMBIA...LEWISBURG...
MURFREESBORO...SHELBYVILLE...WAYNESBORO...LAWRENCEBURG...PULASKI
314 AM CDT THU JUL 21 2011

...HEAT ADVISORY NOW IN EFFECT UNTIL 7 PM CDT FRIDAY...

* TIMING...HEAT INDEX READINGS WILL PEAK IN THE LATE AFTERNOON
  HOURS EACH DAY.

* IMPACT...THE FIRST TO SUFFER FROM THE HEAT WILL BE CHILDREN... 
  THE ELDERLY...AND PEOPLE WITH CHRONIC AILMENTS. HEAT 
  EXHAUSTION... HEAT CRAMPS...AND HEAT STROKE ARE POSSIBLE DUE 
  TO PROLONGED EXPOSURE TO THE HEAT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN
POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY MORNING OR
EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT
STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTED CLOTHING WHEN POSSIBLE
AND DRINK PLENTY OF WATER.

TO REDUCE THE RISK DURING OUTDOOR WORK THE OCCUPATIONAL SAFETY
AND HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST
BREAKS IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME
BY HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT
STROKE IS A EMERGENCY - CALL 9 1 1.

&&

$$

JLM
971 
WWUS74 KOHX 211537 AAA
NPWOHX

URGENT - WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE NASHVILLE TN
1037 AM CDT THU JUL 21 2011

...HOT AND HUMID WEATHER IS EXPECTED TO CONTINUE INTO FRIDAY...

.A STRONG HIGH PRESSURE SYSTEM ALOFT WILL CONTINUE ACROSS THE AREA
INTO FRIDAY. THIS WILL CONTINUE THE HOT AND MUGGY CONDITIONS DURING
THE DAY TODAY AND FRIDAY...AND THE WARM AND HUMID CONDITIONS TONIGHT.
HIGH TEMPERATURES WILL REACH THE MID TO UPPER 90S TODAY AND MID
90S ON FRIDAY. THE HEAT COMBINED WITH ELEVATED HUMIDITY LEVELS...WILL
ALLOW HEAT INDEX VALUES TO RISE TO AROUND 105 DEGREES BOTH THIS
AFTERNOON AND AGAIN ON FRIDAY AFTERNOON.

TNZ005>010-022>031-056>062-075-093>095-212130-
/O.CON.KOHX.HT.Y.0002.000000T0000Z-110723T0000Z/
STEWART-MONTGOMERY-ROBERTSON-SUMNER-MACON-CLAY-BENTON-HOUSTON-
HUMPHREYS-DICKSON-CHEATHAM-DAVIDSON-WILSON-TROUSDALE-SMITH-
JACKSON-PERRY-HICKMAN-LEWIS-WILLIAMSON-MAURY-MARSHALL-RUTHERFORD-
BEDFORD-WAYNE-LAWRENCE-GILES-
INCLUDING THE CITIES OF...DOVER...CLARKSVILLE...SPRINGFIELD...
GALLATIN...LAFAYETTE...CELINA...CAMDEN...ERIN...WAVERLY...
DICKSON...ASHLAND CITY...NASHVILLE...LEBANON...MOUNT JULIET...
HARTSVILLE...CARTHAGE...GAINESBORO...LOBELVILLE...CENTERVILLE...
HOHENWALD...FRANKLIN...BRENTWOOD...COLUMBIA...LEWISBURG...
MURFREESBORO...SHELBYVILLE...WAYNESBORO...LAWRENCEBURG...PULASKI
1037 AM CDT THU JUL 21 2011

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT FRIDAY...

* TIMING...HEAT INDEX READINGS WILL PEAK IN THE LATE AFTERNOON 
  HOURS EACH DAY. 

* IMPACT...THE FIRST TO SUFFER FROM THE HEAT WILL BE CHILDREN... 
  THE ELDERLY...AND PEOPLE WITH CHRONIC AILMENTS. HEAT 
  EXHAUSTION... HEAT CRAMPS...AND HEAT STROKE ARE POSSIBLE DUE 
  TO PROLONGED EXPOSURE TO THE HEAT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN 
POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY MORNING OR
EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT
STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN
POSSIBLE AND DRINK PLENTY OF WATER.

TO REDUCE THE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL SAFETY
AND HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST
BREAKS IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME
BY HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE
IS A EMERGENCY - CALL 9 1 1.

&&

$$
STEIGERWALDT
472 
WWUS74 KOHX 212103
NPWOHX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE NASHVILLE TN
403 PM CDT THU JUL 21 2011

...HOT AND HUMID WEATHER IS EXPECTED TO CONTINUE INTO FRIDAY...

.A STRONG HIGH PRESSURE SYSTEM ALOFT WILL CONTINUE ACROSS THE
AREA INTO FRIDAY. HOT AND MUGGY CONDITIONS CAN AGAIN BE EXPECTED
ON FRIDAY. THE HEAT COMBINED WITH ELEVATED HUMIDITY LEVELS WILL
ALLOW HEAT INDEX VALUES TO RISE TO BETWEEN 100 AND 105 DEGREES
DURING THE AFTERNOON. 

TNZ005>010-022>031-056>062-075-093>095-220300-
/O.CON.KOHX.HT.Y.0002.000000T0000Z-110723T0000Z/
STEWART-MONTGOMERY-ROBERTSON-SUMNER-MACON-CLAY-BENTON-HOUSTON-
HUMPHREYS-DICKSON-CHEATHAM-DAVIDSON-WILSON-TROUSDALE-SMITH-
JACKSON-PERRY-HICKMAN-LEWIS-WILLIAMSON-MAURY-MARSHALL-RUTHERFORD-
BEDFORD-WAYNE-LAWRENCE-GILES-
INCLUDING THE CITIES OF...DOVER...CLARKSVILLE...SPRINGFIELD...
GALLATIN...LAFAYETTE...CELINA...CAMDEN...ERIN...WAVERLY...
DICKSON...ASHLAND CITY...NASHVILLE...LEBANON...MOUNT JULIET...
HARTSVILLE...CARTHAGE...GAINESBORO...LOBELVILLE...CENTERVILLE...
HOHENWALD...FRANKLIN...BRENTWOOD...COLUMBIA...LEWISBURG...
MURFREESBORO...SHELBYVILLE...WAYNESBORO...LAWRENCEBURG...PULASKI
403 PM CDT THU JUL 21 2011

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT FRIDAY...

* TIMING...HEAT INDEX READINGS WILL PEAK IN THE LATE AFTERNOON 
  HOURS EACH DAY. 

* IMPACT...THE FIRST TO SUFFER FROM THE HEAT WILL BE CHILDREN... 
  THE ELDERLY...AND PEOPLE WITH CHRONIC AILMENTS. HEAT 
  EXHAUSTION... HEAT CRAMPS...AND HEAT STROKE ARE POSSIBLE DUE 
  TO PROLONGED EXPOSURE TO THE HEAT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN
POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY MORNING OR
EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT
STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN
POSSIBLE AND DRINK PLENTY OF WATER.

TO REDUCE THE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL SAFETY
AND HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST
BREAKS IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME
BY HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT
STROKE IS A EMERGENCY - CALL 9 1 1.

&&

$$
STEIGERWALDT
312 
WWUS74 KOHX 220454
NPWOHX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE NASHVILLE TN
1154 PM CDT THU JUL 21 2011

...HOT AND HUMID WEATHER IS EXPECTED TO CONTINUE FRIDAY...

.A STRONG HIGH PRESSURE SYSTEM ALOFT WILL CONTINUE ACROSS THE
AREA. HOT AND MUGGY CONDITIONS CAN AGAIN BE EXPECTED ON FRIDAY.
THE HEAT COMBINED WITH ELEVATED HUMIDITY LEVELS WILL ALLOW HEAT
INDEX VALUES TO RISE TO BETWEEN 100 AND 105 DEGREES DURING THE
AFTERNOON.

TNZ005>010-022>031-056>062-075-093>095-221200-
/O.CON.KOHX.HT.Y.0002.000000T0000Z-110723T0000Z/
STEWART-MONTGOMERY-ROBERTSON-SUMNER-MACON-CLAY-BENTON-HOUSTON-
HUMPHREYS-DICKSON-CHEATHAM-DAVIDSON-WILSON-TROUSDALE-SMITH-
JACKSON-PERRY-HICKMAN-LEWIS-WILLIAMSON-MAURY-MARSHALL-RUTHERFORD-
BEDFORD-WAYNE-LAWRENCE-GILES-
INCLUDING THE CITIES OF...DOVER...CLARKSVILLE...SPRINGFIELD...
GALLATIN...LAFAYETTE...CELINA...CAMDEN...ERIN...WAVERLY...
DICKSON...ASHLAND CITY...NASHVILLE...LEBANON...MOUNT JULIET...
HARTSVILLE...CARTHAGE...GAINESBORO...LOBELVILLE...CENTERVILLE...
HOHENWALD...FRANKLIN...BRENTWOOD...COLUMBIA...LEWISBURG...
MURFREESBORO...SHELBYVILLE...WAYNESBORO...LAWRENCEBURG...PULASKI
1154 PM CDT THU JUL 21 2011

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT FRIDAY...

* TIMING...HEAT INDEX READINGS WILL PEAK IN THE LATE AFTERNOON
  HOURS.

* IMPACT...THE FIRST TO SUFFER FROM THE HEAT WILL BE CHILDREN... 
  THE ELDERLY...AND PEOPLE WITH CHRONIC AILMENTS. HEAT 
  EXHAUSTION... HEAT CRAMPS...AND HEAT STROKE ARE POSSIBLE DUE 
  TO PROLONGED EXPOSURE TO THE HEAT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN
POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY MORNING OR
EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT
STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN
POSSIBLE AND DRINK PLENTY OF WATER.

TO REDUCE THE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL SAFETY
AND HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST
BREAKS IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME
BY HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT
STROKE IS A EMERGENCY - CALL 9 1 1.

&&

$$
226 
WWUS74 KOHX 221105
NPWOHX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE NASHVILLE TN
605 AM CDT FRI JUL 22 2011

...HOT AND HUMID WEATHER TODAY...

.HOT AND MUGGY CONDITIONS ARE EXPECTED TODAY. THE HEAT AND HUMIDITY
LEVELS WILL PRODUCE HEAT INDEX VALUES BETWEEN 100 AND 105 DEGREES
THIS AFTERNOON.

TNZ005>010-022>031-056>062-075-093>095-221915-
/O.CON.KOHX.HT.Y.0002.000000T0000Z-110723T0000Z/
STEWART-MONTGOMERY-ROBERTSON-SUMNER-MACON-CLAY-BENTON-HOUSTON-
HUMPHREYS-DICKSON-CHEATHAM-DAVIDSON-WILSON-TROUSDALE-SMITH-
JACKSON-PERRY-HICKMAN-LEWIS-WILLIAMSON-MAURY-MARSHALL-RUTHERFORD-
BEDFORD-WAYNE-LAWRENCE-GILES-
INCLUDING THE CITIES OF...DOVER...CLARKSVILLE...SPRINGFIELD...
GALLATIN...LAFAYETTE...CELINA...CAMDEN...ERIN...WAVERLY...
DICKSON...ASHLAND CITY...NASHVILLE...LEBANON...MOUNT JULIET...
HARTSVILLE...CARTHAGE...GAINESBORO...LOBELVILLE...CENTERVILLE...
HOHENWALD...FRANKLIN...BRENTWOOD...COLUMBIA...LEWISBURG...
MURFREESBORO...SHELBYVILLE...WAYNESBORO...LAWRENCEBURG...PULASKI
605 AM CDT FRI JUL 22 2011

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...

* TIMING...HEAT INDEX READINGS WILL PEAK IN THE LATE AFTERNOON 
  HOURS. 

* IMPACT...THE FIRST TO SUFFER FROM THE HEAT WILL BE CHILDREN... 
  THE ELDERLY...AND PEOPLE WITH CHRONIC AILMENTS. HEAT 
  EXHAUSTION... HEAT CRAMPS...AND HEAT STROKE ARE POSSIBLE DUE 
  TO PROLONGED EXPOSURE TO THE HEAT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN
POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY MORNING OR
EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT
STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN
POSSIBLE AND DRINK PLENTY OF WATER.

TO REDUCE THE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL SAFETY
AND HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST
BREAKS IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME
BY HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT
STROKE IS A EMERGENCY - CALL 9 1 1.

&&

$$

04
936 
WWUS74 KOHX 221833
NPWOHX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE NASHVILLE TN
133 PM CDT FRI JUL 22 2011

...HEAT ADVISORY CANCELLED FOR THIS AFTERNOON...

.TEMPERATURES THIS AFTERNOON ARE RUNNING A LITTLE COOLER THAN
EXPECTED...ALLOWING FOR LOWER HEAT INDICES ACROSS MIDDLE
TENNESSEE. EXPECT HIGHS TO REACH THE LOW TO MID 90S ACROSS THE
AREA...AND WITH DEW POINTS IN THE LOW 70S THIS WILL GIVE HEAT
INDICES AROUND 100 DEGREES.

TNZ005>010-022>031-056>062-075-093>095-221945-
/O.CAN.KOHX.HT.Y.0002.000000T0000Z-110723T0000Z/
STEWART-MONTGOMERY-ROBERTSON-SUMNER-MACON-CLAY-BENTON-HOUSTON-
HUMPHREYS-DICKSON-CHEATHAM-DAVIDSON-WILSON-TROUSDALE-SMITH-
JACKSON-PERRY-HICKMAN-LEWIS-WILLIAMSON-MAURY-MARSHALL-RUTHERFORD-
BEDFORD-WAYNE-LAWRENCE-GILES-
INCLUDING THE CITIES OF...DOVER...CLARKSVILLE...SPRINGFIELD...
GALLATIN...LAFAYETTE...CELINA...CAMDEN...ERIN...WAVERLY...
DICKSON...ASHLAND CITY...NASHVILLE...LEBANON...MOUNT JULIET...
HARTSVILLE...CARTHAGE...GAINESBORO...LOBELVILLE...CENTERVILLE...
HOHENWALD...FRANKLIN...BRENTWOOD...COLUMBIA...LEWISBURG...
MURFREESBORO...SHELBYVILLE...WAYNESBORO...LAWRENCEBURG...PULASKI
133 PM CDT FRI JUL 22 2011

...HEAT ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS CANCELLED THE HEAT
ADVISORY. 

THE HEAT INDEX ACROSS MIDDLE TENNESSEE WILL REMAIN BELOW ADVISORY
LEVEL.

$$

LAROSA

What forecasters said that day

The local office's own words before this heat advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Nashville, TN wrote its last area forecast discussion before this heat advisory went out at Jul 19, 1:47 PM CDT, 1 hour 24 minutes earlier.

Area forecast discussion, Jul 19, 1:47 PM CDT, 1 hour 24 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NASHVILLE TN
147 PM CDT TUE JUL 19 2011

.UPDATE...FOR 18Z AVIATION FORECAST

&&

.AVIATION...
AFTERNOON CU FIELD EVIDENT IN LATEST VISIBLE WITH NOT ALOT OF
VERTICAL DEVELOPMENT TAKING PLACE AT EARLY AFTERNOON. COMPLEX THAT
FIRED EARLIER ACROSS UPPER OHIO VALLEY HAS DROPPED DOWN INTO FAR
EASTERN KENTUCKY WHILE WEAKENING AS EVIDENT BY CLOUD TOP WARMING
IN SATELLITE.

BELIEVE CU FIELD THIS AFTERNOON IS BEING SUPPRESSED BY SUBSIDENCE
UNDERNEATH WARM UPPER LEVEL ANTICYCONE THAT HAS TAKEN UP RESIDENCE
WITH GOOD WARM ADVECTION THROUGH THE MID-LEVELS BASED ON VEERING OF
VERTICAL WIND FIELD THROUGH THAT LAYER. HAVE LITTLE CONFIDENCE IN
SEEING MUCH IN THE WAY OF AFTERNOON CONVECTION TODAY...BUT WITH
THIS MUCH HEAT NEVER DAY NEVER.

LOOKING AT BASICALLY VFR AT BNA THROUGH THE PERIOD EXCEPT FOR
BRIEF PERIOD OF MVFR DUE TO LATE NIGHT FOG.

EXPECT MVFR AT CSV FOR MUCH OF THE PERIOD WITH IFR LATE NIGHT DUE
TO FOG.

BOYD
&&

.PREV DISCUSSION... /ISSUED 939 AM CDT TUE JUL 19 2011/

UPDATE...

LATEST REGIONAL RADAR IMAGERY SHOWS A CLUSTER OF SHOWERS AND
THUNDERSTORMS IN NORTHERN KENTUCKY APPROACHING LEXINGTON. THIS
ACTIVITY IS ASSOCIATED WITH A SHORTWAVE EVIDENT IN WATER VAPOR
IMAGERY...AND IS EXPECTED TO CONTINUE SOUTHWARD AROUND THE EASTERN
SIDE OF THE UPPER RIDGE CENTERED NEAR KANSAS CITY. EXTRAPOLATION
SHOWS ACTIVITY ENTERING NORTHEAST ZONES AROUND 20Z. 00Z 4.0 KM WRF
SUGGESTS ACTIVITY WILL BUILD WESTWARD TOWARDS THE I-65 CORRIDOR
THIS AFTERNOON/EVENING BUT UNCERTAINTY REMAINS ON EXACTLY HOW FAR
WEST. CURRENT POPS SEEM REASONABLE BUT UPDATES MAY BE NECESSARY
BASED ON LATEST RADAR TRENDS. REST OF FORECAST APPEARS ON TRACK
AND WILL ONLY UPDATE TO REMOVE FOG WORDING. WILL ALSO LOOK CLOSELY
AT POSSIBLE HEAT ADVISORY ISSUANCE FOR THE WEDNESDAY TO FRIDAY
TIMEFRAME...BUT WILL DECIDE WITH THE AFTERNOON PACKAGE.

PREV DISCUSSION... /ISSUED 638 AM CDT TUE JUL 19 2011/

UPDATE...FOR 12Z AVIATION FORECASTS.

AVIATION...EXPECT MVFR CONDITIONS IN BR, WITH TEMPORARY IFR
RESTRICTIONS THROUGH 14Z. THEN VFR UNTIL 10Z, WHEN MVFR CONDITIONS
IN BR ARE EXPECTED ONCE AGAIN, WITH TEMPORARY IFR RESTRICTIONS THROUGH
12Z/20.

EXPECT ISOLATED TO SCATTERED THUNDERSTORMS TO, ONCE AGAIN, ERUPT THIS
AFTERNOON AND EVENING THUNDERSTORMS, WITH CB BASES NEAR 5K FT.
SHOULD ONE OF THESE STORMS PASS NEAR OR OVER BNA OR CSV AIRPORT, EXPECT
HEAVY DOWNPOURS TO PRODUCE A BRIEF PERIOD OF IFR VSBYS, ALONG WITH
GUSTY WINDS.

LOOK FOR WEST-TO-NORTHWEST FLOW AOB 10 KTS BLO 10K FT, AND NORTH-NORTHEAST
10-25 KTS ABV 10K FT. IT IS POSSIBLE THESE NNE STEERING CURRENTS
COULD DIRECT AN MCS OUT OF EASTERN KENTUCKY INTO MIDDLE TENNESSEE
LATER TODAY.

&&

.OHX WATCHES/WARNINGS/ADVISORIES...
NONE.
&&

01
Hazardous weather outlook, Jul 19, 4:42 AM CDT, 10 hours 29 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NASHVILLE TN
442 AM CDT TUE JUL 19 2011

TNZ005>011-022>034-056>066-075-077>080-093>095-200945-
STEWART-MONTGOMERY-ROBERTSON-SUMNER-MACON-CLAY-PICKETT-BENTON-
HOUSTON-HUMPHREYS-DICKSON-CHEATHAM-DAVIDSON-WILSON-TROUSDALE-
SMITH-JACKSON-PUTNAM-OVERTON-FENTRESS-PERRY-HICKMAN-LEWIS-
WILLIAMSON-MAURY-MARSHALL-RUTHERFORD-CANNON-DE KALB-WHITE-
CUMBERLAND-BEDFORD-COFFEE-WARREN-GRUNDY-VAN BUREN-WAYNE-LAWRENCE-
GILES-
442 AM CDT TUE JUL 19 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR MIDDLE TENNESSEE.

.DAY ONE...TODAY AND TONIGHT...

SCATTERED THUNDERSTORMS ARE EXPECTED OVER EASTERN PARTS OF THE MID
STATE THIS AFTERNOON AND EARLY TONIGHT...A FEW OF WHICH COULD BECOME
SEVERE...WITH DAMAGING WINDS AND HEAVY DOWNPOURS. ISOLATED STRONG
THUNDERSTORMS...WITH HEAVY RAINS...ARE POSSIBLE AS FAR WEST AS
CLARKSVILLE...NASHVILLE...AND COLUMBIA. LOCALLY HEAVY RAINS MAY
CAUSE PONDING OF WATER IN LOW LYING...AND URBAN...AREAS

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY...

EXCESSIVE HEAT IS EXPECTED WEDNESDAY THROUGH FRIDAY...AS A DOME OF
HIGH PRESSURE BUILDS ACROSS THE AREA. A HEAT ADVISORY MAY BE
REQUIRED FOR PARTS OF THE MID STATE WEST OF THE CUMBERLAND PLATEAU...
WHERE HEAT INDEX VALUES WILL LIKELY TOP 105 DEGREES. HOT WEATHER
SAFETY WILL BE IMPORTANT...AND IF YOU HAVE TO BE OUT IN THE HEAT
YOU SHOULD LIMIT YOUR TIME IN THE SUN TO AVOID HEAT RELATED ILLNESS
AND EXHAUSTION. REMEMBER TO DRINK PLENTY OF WATER...AND USE
SUNSCREEN WHENEVER SPENDING TIME IN DIRECT SUNLIGHT.

.SPOTTER CALL TO ACTION STATEMENT...

ALTHOUGH ANY SEVERE WEATHER THAT DEVELOPS TODAY AND TONIGHT SHOULD
BE BRIEF...REPORTS FROM TRAINED WEATHER SPOTTERS MAY BE NEEDED.

SPOTTER THUNDERSTORM REPORTING CRITERIA...
TORNADO
FUNNEL CLOUD
FLOODING
HAIL >= 1/2 INCH
WINDS > 50 MPH (MEASURED)
STRUCTURAL DAMAGE
TREES OR POWER LINES DOWN

19

Nearby

Heat Advisories in Tennessee, 2011Every heat advisory 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.