Alert archive / Tennessee / Special Weather Statements in 2016
Special Weather Statement, NWS Nashville, TN
NWS Nashville, TN issued this special weather statement at Jul 20, 2016, 4:29 PM CDT for Macon County, Tennessee. It was in force for 31 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 20, 2016, 4:29 PM CDT (21:29 UTC)
- Expired
- Jul 20, 2016, 5:00 PM CDT
- In force
- 31 min
- Issued by
- NWS Nashville, TN
County Macon County, TN
The radar
The Nashville radar (KOHX), 59 km from the middle of the area, began a volume at 21:29 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, 9.5 hours before the alert went out and 67 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
- 1028 J/kg
- Mixed-layer CIN
- -52 J/kg
- Mixed-layer LCL
- 1061 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- -25 m²/s²
- 0-3 km storm-relative helicity
- -14 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement 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 special weather statement went out at Jul 20, 3:31 PM CDT, 58 minutes earlier.
Area forecast discussion, Jul 20, 3:31 PM CDT, 58 minutes before
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</html>Hazardous weather outlook, Jul 20, 12:55 PM CDT, 3 hours 34 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE NASHVILLE TN 1255 PM CDT WED JUL 20 2016 TNZ005>011-023>034-056>066-075-077>080-093>095-211800- STEWART-MONTGOMERY-ROBERTSON-SUMNER-MACON-CLAY-PICKETT-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- 1255 PM CDT WED JUL 20 2016 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF MIDDLE TENNESSEE. .DAY ONE...THIS AFTERNOON AND TONIGHT. STRONG TO SEVERE THUNDERSTORMS WILL BE POSSIBLE THIS AFTERNOON ACROSS PORTIONS OF MIDDLE TENNESSEE. THE MAIN AREA OF CONCERN WILL BE NORTH OF I-40 AND WEST OF I-65 THROUGH MID-AFTERNOON...HOWEVER THAT DOES NOT RULE OUT THE REST OF MIDDLE TENNESSEE FROM SEEING AN ISOLATED STORM. DAMAGING STRAIGHT LINE WINDS WILL BE THE MAIN THREAT. HOT TEMPERATURES ARE IN STORE AGAIN THIS AFTERNOON. MAXIMUM TEMPERATURES ARE EXPECTED TO BE IN THE MID 90S WEST OF THE CUMBERLAND PLATEAU. THIS COUPLED WITH HIGH HUMIDITIES WILL CAUSE HEAT INDICES TO RISE TO 100 TO 103 DEGREES. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY. HEAT INDEX VALUES WILL BE BETWEEN 100 AND 105 DEGREES FOR MOST OF THE MID STATE WEST OF THE CUMBERLAND PLATEAU AGAIN ON THURSDAY. FRIDAY AND SATURDAY APPEAR TO BE OUR WARMEST DAYS WITH HEAT INDICES ABOVE 105 FOR A PORTION OF OUR AREA. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BECOME NECESSARY THIS AFTERNOON. 27
In the hours before
Special weather statement, Jul 20, 2:39 PM CDT, 1 hour 50 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NASHVILLE TN 239 PM CDT WED JUL 20 2016 TNZ026-027-059-202030- CHEATHAM TN-DAVIDSON TN-WILLIAMSON TN- 239 PM CDT WED JUL 20 2016 ...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN DAVIDSON...SOUTH CENTRAL CHEATHAM AND NORTHWESTERN WILLIAMSON COUNTIES UNTIL 330 PM CDT... AT 239 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR FOREST HILLS...OR NEAR FRANKLIN...MOVING WEST AT 15 MPH. WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH THIS STORM. LOCATIONS IMPACTED INCLUDE... FRANKLIN...BRENTWOOD...FOREST HILLS...OAK HILL...BELLE MEADE... KINGSTON SPRINGS...PEGRAM...FAIRVIEW...BELLEVUE... LEIPERS FORK AND NATCHEZ TRACE AT HIGHWAY 96. LAT...LON 3609 8680 3591 8683 3587 8713 3615 8714 TIME...MOT...LOC 1939Z 085DEG 14KT 3600 8689 27
Special weather statement, Jul 20, 3:10 PM CDT, 1 hour 19 minutes before
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</html>Special weather statement, Jul 20, 4:29 PM CDT, 0 minutes before
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</html>The office that day
Everything else NWS Nashville, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 20, 2:39 PM CDT | Special Weather Statement | OHX | Williamson | 51 min |
| Jul 20, 5:00 PM CDT | Special Weather Statement | OHX | Trousdale | 30 min |
Nearby
Special Weather Statements in Tennessee, 2016Every special weather statement in 2016
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.