Alert archive / Tennessee / Special Weather Statements in 2012
Special Weather Statement, NWS Nashville, TN
NWS Nashville, TN issued this special weather statement at Feb 29, 2012, 10:35 AM CST for Stewart County, Tennessee. It was in force for 55 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
- Feb 29, 2012, 10:35 AM CST (16:35 UTC)
- Expired
- Feb 29, 2012, 11:30 AM CST
- In force
- 55 min
- Issued by
- NWS Nashville, TN
County Stewart County, TN
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 12:00Z, 4.6 hours before the alert went out and 123 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
- 580 J/kg
- Mixed-layer CIN
- -25 J/kg
- Mixed-layer LCL
- 510 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- 365 m²/s²
- 0-3 km storm-relative helicity
- 485 m²/s²
- Significant tornado parameter
- 1.9
- Supercell composite
- 8.5
The text
As transmitted, in the capitals the NWS used until 2016.
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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 Feb 29, 4:26 AM CST, 6 hours 9 minutes earlier.
Area forecast discussion, Feb 29, 4:26 AM CST, 6 hours 9 minutes before
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</html>Hazardous weather outlook, Feb 29, 7:55 AM CST, 2 hours 40 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE NASHVILLE TN 755 AM CST WED FEB 29 2012 TNZ005>011-022>034-056>066-075-077>080-093>095-011400- 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- 755 AM CST WED FEB 29 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR MIDDLE TENNESSEE. .DAY ONE...TODAY AND TONIGHT THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS FOR ALL OF MIDDLE TENNESSEE TODAY...AND INTO THE EVENING ON THE PLATEAU. THE MAIN THREAT WILL BE A SQUALL LINE PRODUCING DAMAGING WIND AND LARGE HAIL...BUT ISOLATED TORNADOES ARE ALSO VERY POSSIBLE. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY... THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FRIDAY AND FRIDAY NIGHT. DAMAGING WIND GUSTS WILL BE THE BULK BUT ISOLATED TORNADOES ARE ALSO POSSIBLE. .SPOTTER CALL TO ACTION STATEMENT... 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 07
In the hours before
Special weather statement, Feb 29, 7:55 AM CST, 2 hours 40 minutes before
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</html>Special weather statement, Feb 29, 10:35 AM CST, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
1035 AM CST WED FEB 29 2012
TNZ005-006-291730-
MONTGOMERY-STEWART-
1035 AM CST WED FEB 29 2012
...SIGNIFICANT WEATHER ADVISORY FOR MONTGOMERY AND STEWART
COUNTIES...
AT 1032 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
A CLUSTER OF STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM MURRAY
TO PARIS...MOVING NORTHEAST AT 75 MPH.
THESE STORMS WILL BE NEAR...
DOVER BY 1055 AM CST.
CLARKSVILLE BY 1115 AM CST.
HALF INCH SIZE HAIL...AND WINDS 40 TO 50 MPH ARE EXPECTED WITH THESE
STORMS.
LAT...LON 3667 8786 3664 8784 3664 8715 3638 8761
3638 8774 3635 8784 3637 8801 3644 8807
3649 8806 3653 8804 3660 8805 3665 8807
3668 8807
SHAMBURGERThe office that day
Everything else NWS Nashville, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 29, 11:26 AM CST | Tornado Warning | OHX | Houston, Montgomery, Stewart | 34 min |
| Feb 29, 2:40 PM CST | Special Weather Statement | OHX | Pickett | 35 min |
| Feb 29, 3:04 PM CST | Severe Thunderstorm Warning | OHX | Jackson, Overton, Putnam, Smith | 26 min |
| Feb 29, 3:30 PM CST | Severe Thunderstorm Warning | OHX | Cumberland, Fentress, Jackson, Overton, Pickett, Putnam | 45 min |
| Feb 29, 3:33 PM CST | Severe Thunderstorm Warning | OHX | Cannon, DeKalb, Putnam, Smith, White, Wilson | 27 min |
| Feb 29, 3:38 PM CST | Severe Thunderstorm Warning | OHX | Cannon, DeKalb, Putnam, Rutherford, Smith, White and 1 more | 37 min |
| Feb 29, 3:46 PM CST | Tornado Warning | OHX | DeKalb, Putnam, White | 29 min |
| Feb 29, 4:09 PM CST | Tornado Warning | OHX | Cumberland, Fentress, Overton, Putnam, White | 36 min |
| Feb 29, 5:14 PM CST | Severe Thunderstorm Warning | OHX | Grundy | 16 min |
Nearby
Special Weather Statements in Tennessee, 2012Every special weather statement 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.