Alert archive / Tennessee / Severe Thunderstorm Warnings in 2010
Severe Thunderstorm Warning 28, NWS Nashville, TN
NWS Nashville, TN issued this severe thunderstorm warning at Apr 7, 2010, 10:43 PM CDT for Cheatham County, Montgomery County, Robertson County, Tennessee. It was in force for 32 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Apr 7, 2010, 10:43 PM CDT (03:43 UTC)
- Expired
- Apr 7, 2010, 11:15 PM CDT
- In force
- 32 min
- Issued by
- NWS Nashville, TN
- Area
- Storm-based polygon
Counties Cheatham County, TN, Montgomery County, TN, Robertson County, TN
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 7, 7:31 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Little Rock, AR (KLZK), launched 00:00Z, 3.7 hours before the alert went out and 312 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1493 m above ground
- 0-6 km bulk shear
- 67 kt
- 0-1 km storm-relative helicity
- -234 m²/s²
- 0-3 km storm-relative helicity
- -42 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.6
What forecasters said that day
The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Apr 7, 7:06 PM CDT, 3 hours 37 minutes earlier.
Area forecast discussion, Apr 7, 7:06 PM CDT, 3 hours 37 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NASHVILLE TN 706 PM CDT WED APR 7 2010 .UPDATE...FOR 00Z TAFS && .AVIATION... BROKEN LINE OF STG-SVR STORMS MOVG E OF MS RVR NEXT HOUR OR SO. DRIER AIR NOTED ACR MID TN...BUT DEEP LAYER LIFT IN LOCAL WRF_ARW COULD SUSTAIN LINE THROUGH THE EVENING. MVFR CIGS/VIS WITH THUNDER 04-07Z KBNA. STARTED MVFR CONDITIONS WITH THUNDER KCSV 09Z. && .PREV DISCUSSION... /ISSUED 215 PM CDT WED APR 7 2010/ DISCUSSION...BROKEN CLOUDS HAVE COVERED THE MID STATE MOST OF THE DAY, KEEPING TEMPERATURES A DEGREE OR TWO BELOW FORECAST VALUES. DEW POINTS ARE MOSTLY IN THE 50'S AT THIS POINT, WITH THE SURFACE FRONT STILL WELL TO THE WEST OF THE MISSISSIPPI RIVER. LINE OF SHOWERS NOW ENTERING MIDDLE TENNESSEE WILL LIKELY REMAIN WEST OF THE NASHVILLE AREA BEFORE FIZZLING, AS IT IS MOVING INTO SLIGHTLY DRIER AIR. SPC CONTINUES TO PLACE ROUGHLY THE WESTERN HALF OF MIDDLE TENNESSEE UNDER A SLIGHT RISK OF SEVERE WEATHER TONIGHT. GFS CONTINUES TO SHOW FRONTAL PASSAGE IN MIDDLE TENNESSEE MAINLY BETWEEN 06Z AND 12Z. BELIEVE WE WILL SEE A SQUALL LINE ENTER THE MID STATE DURING THE LATE EVENING WITH THE FRONT, BUT STORMS WILL LIKELY WEAKEN AS THE FRONT CONTINUES TO MOVE EASTWARD INTO THE EARLY MORNING HOURS. SO WILL MENTION THE POSSIBILITY OF SEVERE WEATHER IN THE PUBLIC FORECAST IN AREAS WEST OF NASHVILLE. LOOK FOR LINGERING SHOWERS TOMORROW ACROSS MUCH OF MIDDLE TENNESSEE AS ADDITIONAL LOW-LEVEL MOISTURE WRAPS IN BEHIND THE COLD FRONT. SIGNIFICANT COLD AIR ADVECTION FOLLOWING FRONTAL PASSAGE WILL TRANSLATE TO MUCH LOWER TEMPERATURES TOMORROW THROUGH FRIDAY NIGHT, WITH READINGS IN THE 30'S MANY AREAS BOTH TOMORROW NIGHT AND FRIDAY NIGHT BEFORE THE NEXT SURFACE RIDGE MOVES EAST OF THE MID STATE ON SATURDAY. AFTERWARDS, LOOK FOR DRY WEATHER AT LEAST THROUGH WEDNESDAY, WITH SEASONAL TEMPERATURES AND MOSTLY CLEAR SKIES THROUGHOUT THE PERIOD. && .OHX WATCHES/WARNINGS/ADVISORIES... NONE. && 04
Hazardous weather outlook, Apr 7, 3:32 PM CDT, 7 hours 11 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE NASHVILLE TN 332 PM CDT WED APR 7 2010 TNZ005>011-022>034-056>066-075-077>080-093>095-081030- 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- 332 PM CDT WED APR 7 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR TENNESSEE. .DAY ONE...THIS AFTERNOON AND TONIGHT A STRONG COLD FRONT WILL MOVE THROUGH MIDDLE TENNESSEE TONIGHT, BRINGING WIDESPREAD THUNDERSTORMS TO THE AREA. SOME OF THESE STORMS MAY BECOME SEVERE, MAINLY IN AREAS WEST OF NASHVILLE, DURING THE LATE EVENING THROUGH EARLY MORNING. THE MAIN THREATS WILL BE LARGE HAIL AND DAMAGING WIND. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... EVEN THOUGH ANY SEVERE THUNDERSTORMS ARE EXPECTED TO BE BRIEF AND ISOLATED, SPOTTERS ARE ENCOURAGED TO CLOSELY MONITOR WEATHER CONDITIONS AND BE PREPARED TO CALL IN ANYTHING REACHING REPORTING CRITERIA. SPOTTER THUNDERSTORM REPORTING CRITERIA... TORNADO FUNNEL CLOUD FLOODING HAIL >= 1/2 INCH WINDS > 50 MPH (MEASURED) STRUCTURAL DAMAGE TREES OR POWER LINES DOWN ROSE
In the hours before
Special weather statement, Apr 7, 10:19 PM CDT, 24 minutes before
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</html>Local storm report, Apr 7, 10:41 PM CDT, 2 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 |
|---|---|---|---|---|
| Apr 7, 9:41 PM CDT | Severe Thunderstorm Warning | OHX | Benton, Houston, Humphreys, Stewart | 34 min |
| Apr 7, 10:32 PM CDT | Severe Thunderstorm Warning | OHX | Benton, Hickman, Humphreys, Perry | 28 min |
| Apr 7, 11:06 PM CDT | Severe Thunderstorm Warning | OHX | Dickson, Hickman, Humphreys | 24 min |
| Apr 7, 11:31 PM CDT | Severe Thunderstorm Warning | OHX | Cheatham, Davidson, Dickson, Robertson | 44 min |
Nearby
Severe Thunderstorm Warnings in Tennessee, 2010Every severe thunderstorm warning in 2010
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.