Alert archive / Tennessee / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 338, NWS Nashville, TN

June 28, 2011Perry County, Wayne County, Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at Jun 28, 2011, 10:26 AM CDT for Perry County, Wayne County, Tennessee. It was in force for 34 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: Jun 28, 2011, 10:26 AM CDT (15:26 UTC)
Expired: Jun 28, 2011, 11:00 AM CDT
In force: 34 min
Issued by: NWS Nashville, TN
Area: Storm-based polygon

Counties Perry County, TN, Wayne County, TN

The radar

The Nashville radar (KOHX), 156 km from the middle of the area, began a volume at 15:25 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.

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 28, 4:17 AM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 3.4 hours before the alert went out and 146 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 756 J/kg
Mixed-layer CIN: -61 J/kg
Mixed-layer LCL: 591 m above ground
0-6 km bulk shear: 60 kt
0-1 km storm-relative helicity: 115 m²/s²
0-3 km storm-relative helicity: 135 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

316 
WUUS54 KOHX 281526
SVROHX
TNC135-181-281600-
/O.NEW.KOHX.SV.W.0338.110628T1526Z-110628T1600Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
1026 AM CDT TUE JUN 28 2011

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  PERRY COUNTY IN MIDDLE TENNESSEE...
  WAYNE COUNTY IN MIDDLE TENNESSEE...

* UNTIL 1100 AM CDT

* AT 1021 AM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
  EXCESS OF 60 MPH. THESE SEVERE STORMS EXTENDED FROM PARSONS TO
  SAVANNAH...AND WERE MOVING EAST AT 35 MPH.

* LOCATIONS IMPACTED INCLUDE...
  LINDEN...
  WAYNESBORO...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION...MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF
YOUR HOME OR BUSINESS. THIS LINE OF SEVERE THUNDERSTORMS HAS THE
POTENTIAL TO CAUSE SERIOUS INJURY AND SIGNIFICANT DAMAGE TO PROPERTY.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL NOON TUESDAY FOR
CENTRAL TENNESSEE.

&&

LAT...LON 3501 8779 3503 8799 3530 8799 3531 8802
      3539 8803 3541 8797 3545 8805 3549 8799
      3551 8797 3561 8803 3573 8803 3581 8798
      3579 8780 3501 8762
TIME...MOT...LOC 1526Z 277DEG 38KT 3579 8814 3514 8812

$$

FORECASTER:13

1 follow-up statement

293 
WWUS54 KOHX 281542
SVSOHX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
1042 AM CDT TUE JUN 28 2011

TNC135-181-281600-
/O.CON.KOHX.SV.W.0338.000000T0000Z-110628T1600Z/
PERRY TN-WAYNE TN-
1042 AM CDT TUE JUN 28 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR WAYNE AND
PERRY COUNTIES UNTIL 1100 AM CDT...

AT 1039 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM 12 MILES NORTHEAST OF PARSONS TO 7 MILES NORTHEAST OF WALNUT
GROVE...MOVING EAST AT 45 MPH.

LOCATIONS IMPACTED INCLUDE...
  LINDEN...WAYNESBORO...COLLINWOOD AND LOBELVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 3501 8779 3503 8799 3530 8799 3531 8802
      3539 8803 3541 8797 3545 8805 3549 8799
      3551 8797 3561 8803 3573 8803 3581 8798
      3579 8780 3501 8762
TIME...MOT...LOC 1541Z 277DEG 38KT 3577 8794 3512 8793

$$

13

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 Jun 28, 10:21 AM CDT, 5 minutes earlier.

Area forecast discussion, Jun 28, 10:21 AM CDT, 5 minutes before

AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE NASHVILLE TN
1021 AM CDT TUE JUN 28 2011

.UPDATE...
HAVE UPDATED SUITE OF FORECAST PRODUCTS TO REFLECT CURRENT
SATELLITE AND RADAR TRENDS AS MCS PROGGED TO MOVE ACROSS
AT LEAST WRN PORTIONS OF MID STATE THRU THE REMAINDER OF THE
MORNING HRS. HAVE ALSO RAISED POPS FOR THIS AFTERNOON. HAVE
LOWERED HIGHS ACROSS THE ENTIRE MID STATE BY A COUPLE OF
DEGREES WITH ADDITIONAL CLOUD COVERAGE EXPECTED THRU THE
AFTERNOON HRS.
&&

.PREV DISCUSSION.../ISSUED 902 AM CDT TUE JUN 28 2011/

UPDATE...
UPDATING THE SUITE OF FORECAST PRODUCTS TO REMOVE CLAY...MACON...
SUMNER...AND TROUSDALE COUNTIES FROM SEVERE THUNDERSTORM WATCH
NUMBER 568. ALSO MADE SOME MINOR ADJUSTMENTS TO THE MORNING GRIDS
IN ASSOCIATION WITH RADAR...SATELITTE...AND SFC OBS TRENDS.

PREV DISCUSSION.../ISSUED 345 AM CDT TUE JUN 28 2011/

DISCUSSION...
COLD FRONT CURRENTLY STRETCHING FROM SFC LOW IN THE GREAT LAKES DOWN
INTO WAVE IN NE TX. ML/UL WEAK TROUGH MOVING INTO THE MID-W BUT UPPER
HIGH STILL SITTING TX/OK VICINITY. AIRMASS REMAINS QUITE UNSTABLE AHEAD
.WITH A CONVECTIVE BOUNDARY SHOWING UP JUST NW...WHICH IS HELPING
TO SET OFF CONVECTION NEAR TN/KY BORDER AND S.

SFC/UPPER LOWS OVER THE GREAT LAKES WILL SLIDE INTO CANADA LATER TODAY
BRINGING COLD FRONT DOWN ACROSS THE CWA LATER THIS MORNING/EARLY
AFTERNOON. RIDGING ACROSS THE PLAINS WILL KEEP S FLANK OF FRONT
FROM MOVING MUCH WHICH WILL LAY BOUNDARY INTO MORE W-E FASHION.
DESPITE THIS IT IS EXPECTED TO DROP SOUTH OF THE CWA BUT IT WILL SLOW
IT SOME ACROSS THE SOUTH ESPECIALLY. ULTIMATELY CURRENT LINE OF STRONG
TO SEVERE CONVECTION WILL CONTINUE SLIDING S...WITH ADDITIONAL DEVELOPMENT
AHEAD AREA-WIDE INTO THE AFTERNOON.

FRONT EXPECTED TO BE SOUTH OF THE CWA BY 00Z...THEN GETS NUDGED LITTLE
FURTHER S TONIGHT AS STRONGER SFC/LL HIGHS MOVE INTO THE OH
VALLEY AND UPPER TROUGHS PASS. AFTER THAT POINT SFC/LL HIGHS AND
UPPER RIDGES TAKE THE REIGNS AND HOLD INTO THE FIRST PART OF THE
WEEKEND...NOT ALLOWING ANY GOOD MOISTURE RETURN. NO POPS PLANNED
WED-SAT.

RIDGES BREAK DOWN LATE IN THE WEEKEND INTO EARLY NEXT WEEK...WHILE
A WEAK FRONTAL BOUNDARY DROPS DOWN NEAR THE TN/KY BORDER. DEEP MOISTURE
STILL VERY LIMITED AT THAT TIME BUT THERE IS ENOUGH FOR ISO STORMS
TO DEVELOP SUN INTO MON.

&&

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

31

Hazardous weather outlook, Jun 28, 6:06 AM CDT, 4 hours 20 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NASHVILLE TN
606 AM CDT TUE JUN 28 2011

TNZ005>011-022>034-056>066-075-077>080-093>095-291115-
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-
606 AM CDT TUE JUN 28 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR MIDDLE TENNESSEE.

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

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FOR MOST OF THE
AREA...MAINLY THIS MORNING. DAMAGING WIND IS THE MAIN THREAT.

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

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.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

Local storm report, Jun 28, 9:26 AM CDT, 1 hour before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
926 AM CDT TUE JUN 28 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0602 AM     TSTM WND DMG     5 NE PULASKI            35.25N 86.97W
06/28/2011                   GILES              TN   LAW ENFORCEMENT

            TREE WAS DOWNED JUST SOUTHWEST OF THE MARSHALL COUNTY
            LINE.

&&

31

Local storm report, Jun 28, 9:27 AM CDT, 59 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
927 AM CDT TUE JUN 28 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0603 AM     TSTM WND DMG     LEWISBURG               35.45N 86.79W
06/28/2011                   MARSHALL           TN   LAW ENFORCEMENT

            A FEW TREES WERE DOWNED IN AND AROUND LEWISBURG.

&&

31

Local storm report, Jun 28, 9:29 AM CDT, 57 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
929 AM CDT TUE JUN 28 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0602 AM     TSTM WND DMG     SHELBYVILLE             35.49N 86.45W
06/28/2011                   BEDFORD            TN   LAW ENFORCEMENT

            SEVERAL TREES WERE DOWNED ACROSS THE COUNTY.

&&

31

Local storm report, Jun 28, 9:43 AM CDT, 43 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
943 AM CDT TUE JUN 28 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0400 AM     TSTM WND DMG     12 E NASHVILLE          36.17N 86.57W
06/28/2011                   DAVIDSON           TN   NWS EMPLOYEE

            A LARGE TREE LIMB WAS BLOCKING THE ROAD NEAR THE
            INTERSECTION OF FIREFLY AND LEBANON DIRT ROAD.

&&

31

Local storm report, Jun 28, 9:44 AM CDT, 42 minutes before

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE NASHVILLE TN
944 AM CDT TUE JUN 28 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0400 AM     TSTM WND DMG     12 E NASHVILLE          36.17N 86.57W
06/28/2011                   DAVIDSON           TN   NWS EMPLOYEE

            A LARGE TREE LIMB WAS DOWNED AND WAS ALSO BLOCKING THE
            ROAD NEAR THE INTERSECTION OF FIREFLY AND LEBANON DIRT
            ROAD.

&&

31

Local storm report, Jun 28, 9:46 AM CDT, 40 minutes before

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE NASHVILLE TN
946 AM CDT TUE JUN 28 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0325 AM     TSTM WND GST     SPRINGFIELD             36.50N 86.88W
06/28/2011  E60.00 MPH       ROBERTSON          TN   TRAINED SPOTTER

0345 AM     TSTM WND DMG     GALLATIN                36.38N 86.45W
06/28/2011                   SUMNER             TN   LAW ENFORCEMENT

            A TREE WAS REPORTED DOWNED NEAR THE INTERSECTION OF
            HIGHWAY 25 AND HIGHWAY 76.

0400 AM     TSTM WND DMG     12 E NASHVILLE          36.17N 86.57W
06/28/2011                   DAVIDSON           TN   NWS EMPLOYEE

            A LARGE TREE LIMB WAS DOWNED AND WAS ALSO BLOCKING THE
            ROAD NEAR THE INTERSECTION OF FIREFLY AND LEBANON DIRT
            ROAD.

0405 AM     TSTM WND DMG     12 W LEBANON            36.21N 86.54W
06/28/2011                   WILSON             TN   NWS EMPLOYEE

            A LARGE TREE LIMB WAS DOWNED AND WAS BLOCKING TULIP GROVE
            ROAD.

0410 AM     HAIL             3 W LEBANON             36.21N 86.38W
06/28/2011  E0.50 INCH       WILSON             TN   NWS EMPLOYEE

0448 AM     TSTM WND DMG     SMITHVILLE              36.08N 91.30W
06/28/2011                   LAWRENCE           AR   LAW ENFORCEMENT

            A TREE WAS DOWNED ALONG LASSITER ROAD IN SMITHVILLE.

0545 AM     TSTM WND DMG     COLUMBIA                35.62N 87.05W
06/28/2011                   MAURY              TN   LAW ENFORCEMENT

            A FEW TREES WERE DOWNED IN AND AROUND COLUMBIA.

0545 AM     TSTM WND GST     MANCHESTER              35.47N 86.08W
06/28/2011  E60.00 MPH       COFFEE             TN   TRAINED SPOTTER

0602 AM     TSTM WND DMG     5 NE PULASKI            35.25N 86.97W
06/28/2011                   GILES              TN   LAW ENFORCEMENT

            TREE WAS DOWNED JUST SOUTHWEST OF THE MARSHALL COUNTY
            LINE.

0602 AM     TSTM WND DMG     SHELBYVILLE             35.49N 86.45W
06/28/2011                   BEDFORD            TN   LAW ENFORCEMENT

            SEVERAL TREES WERE DOWNED ACROSS THE COUNTY.

0603 AM     TSTM WND DMG     LEWISBURG               35.45N 86.79W
06/28/2011                   MARSHALL           TN   LAW ENFORCEMENT

            A FEW TREES WERE DOWNED IN AND AROUND LEWISBURG.

0607 AM     TSTM WND DMG     5 NNE LAWRENCEBURG      35.31N 87.30W
06/28/2011                   LAWRENCE           TN   LAW ENFORCEMENT

            A TREE WAS DOWNED NEAR ETHRIDGE.

0914 AM     HEAVY RAIN       5 W HOHENWALD           35.55N 87.65W
06/28/2011  M1.50 INCH       LEWIS              TN   TRAINED SPOTTER

            OVER AN 1.5 INCHES OF RAIN IN THE PAST 30 MINUTES AND
            CONTINUING TO FALL. NEARBY CREEKS ARE RISING RAPIDLY.

&&

31

The office that day

Everything else NWS Nashville, TN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 28, 2:13 AM CDT	Special Weather Statement	OHX	Macon, Sumner	62 min
Jun 28, 2:21 AM CDT	Severe Thunderstorm Warning	OHX	Macon, Sumner	39 min
Jun 28, 2:43 AM CDT	Special Weather Statement	OHX	Montgomery, Stewart	62 min
Jun 28, 3:01 AM CDT	Severe Thunderstorm Warning	OHX	Montgomery, Robertson	44 min
Jun 28, 3:04 AM CDT	Severe Thunderstorm Warning	OHX	Smith, Sumner, Trousdale, Wilson	25 min
Jun 28, 3:17 AM CDT	Severe Thunderstorm Warning	OHX	Cheatham, Davidson, Montgomery, Robertson	58 min
Jun 28, 3:23 AM CDT	Special Weather Statement	OHX	Houston, Stewart	67 min
Jun 28, 3:38 AM CDT	Severe Thunderstorm Warning	OHX	Davidson, Robertson, Sumner, Wilson	52 min
Jun 28, 4:08 AM CDT	Severe Thunderstorm Warning	OHX	Davidson, Rutherford, Wilson	37 min
Jun 28, 4:32 AM CDT	Special Weather Statement	OHX	DeKalb	58 min
Jun 28, 4:36 AM CDT	Severe Thunderstorm Warning	OHX	Cannon, DeKalb, Smith, Warren, Wilson	38 min
Jun 28, 5:35 AM CDT	Severe Thunderstorm Warning	OHX	Giles, Hickman, Lewis, Marshall, Maury	55 min
Jun 28, 5:38 AM CDT	Severe Thunderstorm Warning	OHX	Coffee, Grundy, Warren	37 min
Jun 28, 5:49 AM CDT	Severe Thunderstorm Warning	OHX	Giles, Lawrence, Lewis, Maury	56 min
Jun 28, 5:57 AM CDT	Severe Thunderstorm Warning	OHX	Bedford, Cannon, Coffee, Giles, Marshall, Rutherford	40 min
Jun 28, 8:56 AM CDT	Special Weather Statement	OHX	Lawrence, Lewis	34 min
Jun 28, 9:21 AM CDT	Flash Flood Warning	OHX	Giles, Lawrence, Lewis, Maury	3 hr
Jun 28, 9:53 AM CDT	Flash Flood Warning	OHX	Lawrence, Lewis, Perry, Wayne	3 hr
Jun 28, 10:06 AM CDT	Severe Thunderstorm Warning	OHX	Benton	39 min
Jun 28, 10:29 AM CDT	River Flood Warning	OHX	Bedford	11 hr
Jun 28, 10:44 AM CDT	Severe Thunderstorm Warning	OHX	Benton, Humphreys, Perry	31 min
Jun 28, 10:58 AM CDT	Severe Thunderstorm Warning	OHX	Hickman, Lawrence, Lewis, Perry, Wayne	47 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 2011 Every severe thunderstorm warning 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.