Alert archive / Tennessee / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 149, NWS Nashville, TN

April 27, 2011Coffee County, Grundy County, Warren County, Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at Apr 27, 2011, 5:25 PM CDT for Coffee County, Grundy County, Warren County, Tennessee. It was in force for 35 min. 3 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Apr 27, 2011, 5:25 PM CDT (22:25 UTC)
Expired: Apr 27, 2011, 6:00 PM CDT
In force: 35 min
Issued by: NWS Nashville, TN
Area: Storm-based polygon

Counties Coffee County, TN, Grundy County, TN, Warren County, TN

The radar

The Northeast Alabama radar (KHTX), 48 km from the middle of the area, began a volume at 22:16 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.

What was reported inside it

Time	Report	Where	Remark
Apr 27, 5:50 PM CDT	TSTM WND DMG	Tracy City, TN	TREES BLOWN DOWN IN SEVERAL AREAS NEAR TRACY CITY. ONE TREE FELL ON A HOUSE.
Apr 27, 5:55 PM CDT	TSTM WND DMG	4 E Tullahoma, TN	TREES BLOWN DOWN AND POWER LINES DOWN.
Apr 27, 6:00 PM CDT	TORNADO	2 Ssw Gruetli-Laager, TN	AN EF0 TORNADO WITH MAXIMUM WINDS 70 TO 80 MPH BRIEFLY TOUCHED DOWN AROUND 6 PM IN GRUNDY COUNTY. INITIAL DAMAGE WAS NOTED 3 MILES SOUTHEAST OF ALTAMONT ALONG FLETCHER STRIP ROAD. THE DAMAGE PATH WAS AROUND 1 MILE LONG AND 50 YDS WIDE.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

Did it verify

Verified. The Iowa Environmental Mesonet's Cow matched 2 storm reports to this severe thunderstorm warning; the first came 25 minutes after it went out.

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
Apr 27, 3:36 PM CDT	Tornado Watch PDS	SPC	8 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 10.4 hours before the alert went out and 113 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 714 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: -84 m²/s²
0-3 km storm-relative helicity: -38 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.

026 
WUUS54 KOHX 272225
SVROHX
TNC031-061-177-272300-
/O.NEW.KOHX.SV.W.0149.110427T2225Z-110427T2300Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
525 PM CDT WED APR 27 2011

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTH CENTRAL WARREN COUNTY IN MIDDLE TENNESSEE...
  SOUTHERN COFFEE COUNTY IN MIDDLE TENNESSEE...
  GRUNDY COUNTY IN MIDDLE TENNESSEE...

* UNTIL 600 PM CDT

* AT 521 PM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH. THE STORM WAS NEAR ESTILL SPRINGS...MOVING NORTHEAST AT
  70 MPH.

* LOCATIONS IMPACTED INCLUDE...
  TRACY CITY...
  GRUETLI-LAAGER...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PLEASE REPORT HAIL...STRONG WINDS OR WIND DAMAGE TO THE NATIONAL
WEATHER SERVICE BY CALLING TOLL FREE...1 8 7 7 6 3 3 6 7 7 2. DO NOT
STAY OUTDOORS IF YOU ARE IN THE PATH OF SEVERE THUNDERSTORMS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT THURSDAY MORNING FOR
CENTRAL TENNESSEE.

&&

LAT...LON 3527 8590 3529 8592 3535 8604 3536 8618
      3544 8623 3566 8580 3534 8554 3532 8557
      3529 8569 3525 8569 3522 8574 3522 8578
      3524 8584 3522 8589
TIME...MOT...LOC 2225Z 238DEG 77KT 3537 8599

$$

21

1 follow-up statement

853 
WWUS54 KOHX 272241
SVSOHX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
541 PM CDT WED APR 27 2011

TNC031-061-177-272300-
/O.CON.KOHX.SV.W.0149.000000T0000Z-110427T2300Z/
WARREN TN-COFFEE TN-GRUNDY TN-
541 PM CDT WED APR 27 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR GRUNDY...
SOUTHEASTERN COFFEE AND SOUTHWESTERN WARREN COUNTIES UNTIL 600 PM
CDT...

AT 538 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND 
DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 9 MILES 
NORTHWEST OF GRUETLI-LAAGER...OR 16 MILES SOUTH OF MCMINNVILLE AND
WAS MOVING NORTHEAST AT 60 MPH.

LOCATIONS IMPACTED INCLUDE...
  BEERSHEBA SPRINGS AND PALMER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH NOT IMMEDIATELY
LIKELY...IF A TORNADO IS SPOTTED ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.

&&

LAT...LON 3527 8590 3529 8592 3531 8593 3558 8595
      3566 8580 3534 8554 3532 8557 3529 8569
      3525 8569 3522 8574 3522 8578 3524 8584
      3522 8589
TIME...MOT...LOC 2240Z 239DEG 71KT 3547 8574

$$
STEIGERWALDT

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 27, 3:48 PM CDT, 1 hour 37 minutes earlier.

Area forecast discussion, Apr 27, 3:48 PM CDT, 1 hour 37 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NASHVILLE TN
348 PM CDT WED APR 27 2011

.DISCUSSION...
SIGNIFICANT ONGOING WEATHER EVENT EXPECTED TO WRAP UP OVERNIGHT
AS FRONTAL BOUNDARY PASSES. FRONT CURRENTLY ACROSS EASTERN AR/LA
WILL MOVE EAST AS SFC LOW MOVES RAPIDLY INTO SOUTHERN IL BY 00Z.
IN THE MEANTIME THERMODYNAMIC PARAMETERS REMAIN ON THE VERY HIGH
END ALTHOUGH SFC BASED INSTABILITY NOT RECOVERED TOO WELL. WELL
DEFINED WARM FRONT ACROSS NORTH AL HOWEVER EXPECTED TO LIFT NORTH
AND RECHARGED SFC BASED JUICE. THIS WILL LEAVE AREA IN VERY HIGH
CHANCE FOR SEVERE THUNDERSTORMS AND ISO TORNADOES THRU MIDNIGHT
OR SO...ENDING EAST.

PLAN ON KILLING WIND ADVISORY.

FRONT PASSES BNA LATE THIS EVENING AND CSV JUST AFTER MIDNIGHT.
WIDESPREAD SHOWERS/STORMS WILL DECREASE OVERNIGHT AS BIGTIME
DRYING SLIDES IN BEHIND FRONT. WHILE SEVERE STORMS/SHORT-FUSE
FLOODING WILL END...RIVERS/CREEKS WILL REMAIN NEAR OR ABOVE FLOOD
WELL INTO SATURDAY...ESPECIALLY AROUND BNA AND WEST WHERE 5 TO 7
INCHES OF RAIN FELL THROUGHOUT THE LAST 2-3 DAYS.

ON THU...DRY WX EXPECTED TO RETURN AREA-WIDE BUT SHARP UPPER TROF
SLIDING BY THU NIGHT MAY BRING A FEW SHOWERS TO THE EXTREME NORTH
BUT THATS ABOUT IT. ON FRI...ML/UL RIDGE FINALLY TAKES HOLD LATE...
COMBINING WITH SFC/LL HIGHS.

THESE FEATURES PRETTY MUCH RULE THRU SAT NIGHT...WITH NEXT FRONTAL
BOUNDARY SETTING UP ACROSS THE MS RIVER VALLEY TOWARD 12Z SUN. A
FEW STORMS MAY SPILL INTO THE EXTREME NORTHWEST BEFORE 12Z BUT THE
MAIN AFFECTS WILL BE FELT MORE-SO SUN THRU MON AS THIS FRONTAL
BOUNDARY PASSES. FRONT PASSING WITH GOOD BIT OF INSTABILITY AND
A DECENT TRAILING UL TROF. EXPECT AT LEAST SCT TSTORMS THRU THAT
PERIOD.

THINGS CLEAR OUT MONDAY RETURNING DRY WEATHER...HOLDING INTO MID-
LATE WEEK.

&&

.PRELIMINARY POINT TEMPS/POPS...
NASHVILLE      50  71  48  75 /  70  10  05  05
CLARKSVILLE    49  69  46  74 /  70  10  20  05
CROSSVILLE     50  65  45  69 /  80  10  05  05
COLUMBIA       50  71  48  76 /  70  10  05  05
LAWRENCEBURG   50  70  47  77 /  60  10  05  05
WAVERLY        48  70  47  76 /  60  10  05  05

&&

.OHX WATCHES/WARNINGS/ADVISORIES...
FLASH FLOOD WATCH UNTIL MIDNIGHT CDT TONIGHT FOR TNZ005>011-
022>034-056>066-075-077>080-093>095.

&&

07

Hazardous weather outlook, Apr 27, 4:47 AM CDT, 12 hours 38 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NASHVILLE TN
447 AM CDT WED APR 27 2011

TNZ005>011-022>034-056>066-075-077>080-093>095-281000-
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-
447 AM CDT WED APR 27 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR MIDDLE TENNESSEE.

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

THERE IS A HIGH RISK OF SEVERE THUNDERSTORMS ACROSS SOUTHERN
MIDDLE TENNESSEE TODAY AND THIS EVENING. A MODERATE RISK EXISTS
OVER MOST OF THE REMAINDER OF THE MID STATE.

LONG TRACKED STRONG TO VIOLENT TORNADOES ARE POSSIBLE TODAY AND
THIS EVENING... ALONG WITH DAMAGING STRAIGHT LINE WINDS...AND LARGE
HAIL.

HEAVY RAINFALL WILL LIKELY CAUSE SOME AREA CREEKS, STREAMS AND
RIVERS TO REACH...OR APPROACH...FLOOD STAGE.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY...

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER CALL TO ACTION STATEMENT...

A SIGNIFICANT SEVERE WEATHER EVENT IS EXPECTED. SPOTTER REPORTS
WILL 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

In the hours before

Local storm report, Apr 27, 5:01 PM CDT, 24 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
501 PM CDT WED APR 27 2011

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

0500 PM     FLASH FLOOD      5 SW MURFREESBORO       35.80N 86.46W
04/27/2011                   RUTHERFORD         TN   TRAINED SPOTTER

            HIGHWAY 99 NEAR ROCKVALE FLOODED WITH 8-9 INCHES OF WATER
            OVER THE ROADWAY.

&&

JLM

Local storm report, Apr 27, 5:06 PM CDT, 19 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
506 PM CDT WED APR 27 2011

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

0503 PM     HAIL             7 SW ALLARDT            36.31N 84.97W
04/27/2011  E1.00 INCH       FENTRESS           TN   TRAINED SPOTTER

            QUARTER SIZE OF HAIL REPORTED

&&

JLM

Local storm report, Apr 27, 5:08 PM CDT, 17 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
508 PM CDT WED APR 27 2011

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

0504 PM     TSTM WND DMG     5 SSW CROSSVILLE        35.88N 85.07W
04/27/2011                   CUMBERLAND         TN   EMERGENCY MNGR

            EMERGENCY MANAGERS OFFICE REPORTS MULTIPLE TREES DOWN,
            SOME ON DRIVEWAYS AND ONE ON A HOUSE. POWER LINES DOWN AS
            WELL. COMMUNITY OF TANSI.

&&

TBOUCHER

Local storm report, Apr 27, 5:09 PM CDT, 16 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
509 PM CDT WED APR 27 2011

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

0504 PM     FLOOD            7 SE NASHVILLE          36.10N 86.70W
04/27/2011                   DAVIDSON           TN   AMATEUR RADIO

            STREETS FLOODED IN DAVIDSON COUNTY AT CITURS AND TAMPA
            DRIVES.

&&

JLM

Local storm report, Apr 27, 5:10 PM CDT, 15 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
510 PM CDT WED APR 27 2011

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

0504 PM     LIGHTNING        5 SSW CROSSVILLE        35.88N 85.07W
04/27/2011                   CUMBERLAND         TN   EMERGENCY MNGR

            LIGHTNING STRUCK A HOUSE IN TANSI. RPT BY EMERGENCY MGR
            OFFICE.

&&

TBOUCHER

Local storm report, Apr 27, 5:14 PM CDT, 11 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
514 PM CDT WED APR 27 2011

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

0510 PM     FLOOD            LAWRENCEBURG            35.25N 87.34W
04/27/2011                   LAWRENCE           TN   LAW ENFORCEMENT

            HIGHWAY 64 FLOODED NEAR LAWRENCEBURG.

&&

JLM

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 26, 9:31 PM CDT	Tornado Warning	OHX	Benton, Humphreys, Perry	59 min
Apr 26, 9:47 PM CDT	River Flood Advisory	OHX	Lawrence	9 hr
Apr 26, 9:55 PM CDT	Tornado Warning	OHX	Hickman, Perry	50 min
Apr 26, 10:16 PM CDT	Tornado Warning	OHX	Hickman, Lewis, Perry, Wayne	59 min
Apr 26, 10:27 PM CDT	Severe Thunderstorm Warning	OHX	Benton, Dickson, Hickman, Houston, Humphreys, Perry and 1 more	33 min
Apr 26, 10:38 PM CDT	Tornado Warning	OHX	Hickman, Perry	37 min
Apr 26, 10:48 PM CDT	Tornado Warning	OHX	Dickson, Hickman, Houston, Humphreys	27 min
Apr 26, 11:04 PM CDT	Severe Thunderstorm Warning	OHX	Benton, Hickman, Humphreys, Perry	41 min
Apr 26, 11:09 PM CDT	Flash Flood Warning	OHX	Perry	3 hr
Apr 26, 11:14 PM CDT	Severe Thunderstorm Warning	OHX	Dickson, Hickman, Humphreys, Perry	46 min
Apr 26, 11:18 PM CDT	Severe Thunderstorm Warning	OHX	Cheatham, Dickson, Houston, Humphreys, Montgomery	42 min
Apr 26, 11:22 PM CDT	Tornado Warning	OHX	Dickson, Houston, Montgomery	23 min
Apr 26, 11:31 PM CDT	Tornado Warning	OHX	Dickson, Montgomery	29 min
Apr 26, 11:42 PM CDT	Severe Thunderstorm Warning	OHX	Benton, Dickson, Hickman, Humphreys	27 min
Apr 26, 11:53 PM CDT	Severe Thunderstorm Warning	OHX	Cheatham, Dickson, Houston, Humphreys, Montgomery, Robertson	55 min
Apr 27, 12:42 AM CDT	Severe Thunderstorm Warning	OHX	Rutherford	16 min
Apr 27, 12:58 AM CDT	Areal Flood Warning	OHX	Benton, Cheatham, Dickson, Hickman, Houston, Humphreys and 4 more	20 hr
Apr 27, 1:43 AM CDT	Severe Thunderstorm Warning	OHX	Benton, Hickman, Humphreys, Perry	32 min
Apr 27, 1:46 AM CDT	Tornado Warning	OHX	Hickman, Humphreys, Perry	15 min
Apr 27, 2:18 AM CDT	Flash Flood Warning	OHX	Benton, Cheatham, Dickson, Hickman, Houston, Humphreys and 4 more	4 hr
Apr 27, 2:27 AM CDT	River Flood Warning	OHX	Montgomery, Robertson	57 hr
Apr 27, 4:07 AM CDT	Severe Thunderstorm Warning	OHX	Wayne	23 min
Apr 27, 4:11 AM CDT	Severe Thunderstorm Warning	OHX	Wayne	34 min
Apr 27, 4:52 AM CDT	Flash Flood Warning	OHX	Benton, Cheatham, Dickson, Hickman, Houston, Humphreys and 6 more	3 hr
Apr 27, 5:02 AM CDT	Flash Flood Warning	OHX	Cheatham, Davidson, Dickson, Hickman, Lewis, Maury and 5 more	16 hr
Apr 27, 5:06 AM CDT	Flash Flood Warning	OHX	Giles, Lawrence, Lewis, Maury, Wayne	16 hr
Apr 27, 5:10 AM CDT	Severe Thunderstorm Warning	OHX	Giles, Marshall, Maury	35 min
Apr 27, 5:16 AM CDT	Severe Thunderstorm Warning	OHX	Marshall, Maury, Rutherford, Williamson	29 min
Apr 27, 5:23 AM CDT	Severe Thunderstorm Warning	OHX	Giles	22 min
Apr 27, 5:28 AM CDT	River Flood Warning	OHX	Davidson	12 hr
Apr 27, 5:35 AM CDT	Severe Thunderstorm Warning	OHX	Bedford, Marshall, Rutherford	25 min
Apr 27, 5:38 AM CDT	Tornado Warning	OHX	Bedford, Marshall, Rutherford, Williamson	37 min
Apr 27, 5:54 AM CDT	River Flood Warning	OHX	Cheatham	27 hr
Apr 27, 5:54 AM CDT	River Flood Warning	OHX	Davidson, Williamson	15 hr
Apr 27, 5:54 AM CDT	River Flood Warning	OHX	Williamson	15 hr
Apr 27, 6:00 AM CDT	Tornado Warning	OHX	Cannon, DeKalb, Rutherford, Smith, Wilson	30 min
Apr 27, 6:06 AM CDT	Tornado Warning	OHX	Bedford, Coffee, Grundy	24 min
Apr 27, 6:18 AM CDT	Tornado Warning	OHX	Jackson, Smith, Wilson	27 min
Apr 27, 6:27 AM CDT	Severe Thunderstorm Warning	OHX	Clay, Jackson, Macon	18 min
Apr 27, 6:31 AM CDT	Tornado Warning	OHX	Coffee, Grundy, Warren	29 min
Apr 27, 6:35 AM CDT	Tornado Warning	OHX	Clay, Jackson, Macon, Overton, Pickett, Smith	44 min
Apr 27, 6:38 AM CDT	Tornado Warning	OHX	Jackson, Overton, Putnam	37 min
Apr 27, 6:42 AM CDT	Tornado Warning	OHX	DeKalb, Van Buren, Warren	33 min
Apr 27, 6:53 AM CDT	Tornado Warning	OHX	Cumberland, Grundy, Van Buren, Warren, White	52 min
Apr 27, 6:59 AM CDT	Tornado Warning	OHX	Fentress, Overton, Pickett	31 min
Apr 27, 7:22 AM CDT	Severe Thunderstorm Warning	OHX	Cumberland, Fentress, Overton, Putnam, White	23 min
Apr 27, 7:26 AM CDT	Tornado Warning	OHX	Cumberland, Van Buren, White	29 min
Apr 27, 7:54 AM CDT	Severe Thunderstorm Warning	OHX	Cumberland, Fentress	36 min
Apr 27, 9:17 AM CDT	River Flood Warning	OHX	Bedford	30 hr
Apr 27, 10:41 AM CDT	Tornado Warning	OHX	Giles, Lawrence, Marshall, Maury	34 min
Apr 27, 11:06 AM CDT	Tornado Warning	OHX	Giles, Lawrence	24 min
Apr 27, 11:06 AM CDT	Tornado Warning	OHX	Giles, Lawrence	24 min
Apr 27, 11:14 AM CDT	Severe Thunderstorm Warning	OHX	Bedford, Cannon, Coffee, Giles, Marshall, Rutherford	31 min
Apr 27, 11:19 AM CDT	River Flood Warning	OHX	Hickman	4 days
Apr 27, 11:19 AM CDT	River Flood Warning	OHX	Perry	65 hr
Apr 27, 11:19 AM CDT	River Flood Warning	OHX	Lawrence	25 hr
Apr 27, 11:29 AM CDT	River Flood Advisory	OHX	Bedford, Marshall	34 hr
Apr 27, 11:29 AM CDT	River Flood Advisory	OHX	Maury	68 hr
Apr 27, 11:29 AM CDT	River Flood Advisory	OHX	Humphreys	5 days
Apr 27, 11:29 AM CDT	River Flood Advisory	OHX	Giles	56 hr
Apr 27, 11:29 AM CDT	River Flood Advisory	OHX	Giles	3 days
Apr 27, 11:37 AM CDT	Tornado Warning	OHX	Bedford, Marshall	23 min
Apr 27, 11:51 AM CDT	Tornado Warning	OHX	Bedford, Cannon, Coffee, Rutherford	24 min
Apr 27, 12:03 PM CDT	Flash Flood Warning	OHX	Benton, Cheatham, Dickson, Hickman, Houston, Humphreys and 6 more	9 hr
Apr 27, 12:03 PM CDT	River Flood Warning	OHX	Montgomery	50 hr
Apr 27, 12:06 PM CDT	River Flood Advisory	OHX	Davidson	43 hr
Apr 27, 12:08 PM CDT	Flash Flood Warning	OHX	Bedford, Giles, Marshall	6 hr
Apr 27, 12:23 PM CDT	Areal Flood Warning	OHX	Cheatham, Dickson	24 hr
Apr 27, 12:29 PM CDT	Severe Thunderstorm Warning	OHX	Cannon, Coffee, Cumberland, DeKalb, Grundy, Van Buren and 2 more	46 min
Apr 27, 12:30 PM CDT	Areal Flood Warning	OHX	Stewart	24 hr
Apr 27, 12:37 PM CDT	Tornado Warning	OHX	Coffee, Grundy	38 min
Apr 27, 1:22 PM CDT	Severe Thunderstorm Warning	OHX	Grundy	8 min
Apr 27, 1:22 PM CDT	Tornado Warning	OHX	Grundy	23 min
Apr 27, 1:48 PM CDT	Severe Thunderstorm Warning	OHX	Bedford, Giles, Marshall, Maury	27 min
Apr 27, 2:14 PM CDT	Severe Thunderstorm Warning	OHX	Bedford, Cannon, Marshall, Rutherford	31 min
Apr 27, 2:45 PM CDT	Severe Thunderstorm Warning	OHX	Cannon, DeKalb, Warren, White	30 min
Apr 27, 3:00 PM CDT	Severe Thunderstorm Warning	OHX	Giles, Lawrence, Wayne	30 min
Apr 27, 3:08 PM CDT	Severe Thunderstorm Warning	OHX	DeKalb, Overton, Putnam, White	22 min
Apr 27, 3:13 PM CDT	Severe Thunderstorm Warning	OHX	Bedford, Marshall, Rutherford	32 min
Apr 27, 3:25 PM CDT	Severe Thunderstorm Warning	OHX	Cumberland, Fentress, Overton, Pickett, Putnam, White	50 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.