Alert archive / Tennessee / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 154, NWS Nashville, TN

April 27, 2011Cumberland County, Van Buren County, White County, Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at Apr 27, 2011, 6:39 PM CDT for Cumberland County, Van Buren County, White County, Tennessee. It was in force for 66 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: Apr 27, 2011, 6:39 PM CDT (23:39 UTC)
Expired: Apr 27, 2011, 7:45 PM CDT
In force: 66 min
Issued by: NWS Nashville, TN
Area: Storm-based polygon

Counties Cumberland County, TN, Van Buren County, TN, White County, TN

The radar

The Knoxville radar (KMRX), 142 km from the middle of the area, began a volume at 23:39 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
Apr 27, 3:36 PM CDT	Tornado Watch PDS	SPC	8 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 11.7 hours before the alert went out and 151 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.

676 
WUUS54 KOHX 272339
SVROHX
TNC035-175-185-280045-
/O.NEW.KOHX.SV.W.0154.110427T2339Z-110428T0045Z/

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

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EXTREME SOUTHEASTERN WHITE COUNTY IN MIDDLE TENNESSEE...
  CUMBERLAND COUNTY IN MIDDLE TENNESSEE...
  NORTHEASTERN VAN BUREN COUNTY IN MIDDLE TENNESSEE...

* UNTIL 745 PM CDT/845 PM EDT/

* AT 634 PM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING ONE INCH DIAMETER HAIL...
  AND DAMAGING WINDS IN EXCESS OF 60 MPH. THE STORM WAS NEAR MOUNT
  CREST...MOVING NORTHEAST AT 35 MPH.

* LOCATIONS IMPACTED INCLUDE...
  CROSSVILLE...
  FAIRFIELD GLADE...

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.

&&

LAT...LON 3588 8470 3584 8473 3577 8489 3575 8499
      3577 8504 3577 8522 3576 8525 3572 8526
      3570 8530 3573 8534 3617 8502 3614 8487
      3610 8483 3609 8479 3605 8477 3598 8470
      3591 8467
TIME...MOT...LOC 2339Z 227DEG 31KT 3574 8517

$$

04

2 follow-up statements

341 
WWUS54 KOHX 272352
SVSOHX

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

TNC175-280000-
/O.CAN.KOHX.SV.W.0154.000000T0000Z-110428T0045Z/
VAN BUREN TN-
652 PM CDT WED APR 27 2011

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN VAN BUREN COUNTY
IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA.

LAT...LON 3588 8470 3584 8473 3577 8489 3575 8499
      3577 8504 3577 8525 3615 8492 3615 8491
      3614 8487 3610 8483 3609 8479 3605 8477
      3598 8470 3591 8467
TIME...MOT...LOC 2350Z 227DEG 31KT 3580 8508

$$

TNC035-280045-
/O.CON.KOHX.SV.W.0154.000000T0000Z-110428T0045Z/
CUMBERLAND TN-
652 PM CDT WED APR 27 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CUMBERLAND
COUNTY UNTIL 745 PM CDT/845 PM EDT/...

AT 648 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 12 MILES
SOUTH OF CROSSVILLE...MOVING NORTHEAST AT 35 MPH.

LOCATIONS IMPACTED INCLUDE...
  CROSSVILLE...FAIRFIELD GLADE AND CRAB ORCHARD.

LAT...LON 3588 8470 3584 8473 3577 8489 3575 8499
      3577 8504 3577 8525 3615 8492 3615 8491
      3614 8487 3610 8483 3609 8479 3605 8477
      3598 8470 3591 8467
TIME...MOT...LOC 2350Z 227DEG 31KT 3580 8508

$$

04

040 
WWUS54 KOHX 280017
SVSOHX

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

TNC035-280027-
/O.CAN.KOHX.SV.W.0154.000000T0000Z-110428T0045Z/
CUMBERLAND TN-
717 PM CDT WED APR 27 2011

...THE SEVERE THUNDERSTORM WARNING FOR CUMBERLAND COUNTY IS
CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA.

LAT...LON 3588 8470 3584 8473 3577 8489 3575 8499
      3577 8504 3577 8525 3615 8492 3615 8491
      3614 8487 3610 8483 3609 8479 3605 8477
      3598 8470 3591 8467
TIME...MOT...LOC 0017Z 227DEG 31KT 3596 8487

$$

04

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, 6:39 PM CDT, 0 minutes earlier.

Area forecast discussion, Apr 27, 6:39 PM CDT, 0 minutes before

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

.UPDATE...FOR 00Z TAFS.

&&

.AVIATION...
WIDESPREAD SHOWERS AND STORMS BRIEFLY BRINGING VSBYS/CEILINGS DOWN
TO MVFR/IFR WILL DISSIPATE OVERNIGHT BUT CEILINGS MAY STAY LOW
PERIODICALLY THRU 12Z-14Z. AFT THAT TIME...VFR CONDITIONS EXPECTED
BNA/CSV THRU 00Z FRI. WINDS WILL BECOMING GUSTY AT TIMES.

&&

.PREV DISCUSSION... /ISSUED 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.

&&

.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, 13 hours 52 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, 5:10 PM CDT, 1 hour 29 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, 1 hour 25 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

Local storm report, Apr 27, 5:34 PM CDT, 1 hour 5 minutes before

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

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

0530 PM     HAIL             4 ESE TULLAHOMA         35.35N 86.15W
04/27/2011  E0.50 INCH       FRANKLIN           TN   LAW ENFORCEMENT

            DIME SIZE HAIL REPORTED ON HIGHWAY 127 SOUTHEAST OF
            TULLAHOMA.

&&

JLM

Local storm report, Apr 27, 5:54 PM CDT, 45 minutes before

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

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

0545 PM     HAIL             4 S HOHENWALD           35.49N 87.56W
04/27/2011  E0.88 INCH       LEWIS              TN   LAW ENFORCEMENT

            NICKEL SIZE HAIL REPORTED NEAR GRINDER CREEK ROAD AND
            HIGHWAY 99.

&&

JLM

Local storm report, Apr 27, 6:01 PM CDT, 38 minutes before

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

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

0555 PM     TSTM WND DMG     4 E TULLAHOMA           35.37N 86.14W
04/27/2011                   COFFEE             TN   LAW ENFORCEMENT

            TREES BLOWN DOWN AND POWER LINES DOWN.

&&

JLM

Local storm report, Apr 27, 6:30 PM CDT, 9 minutes before

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

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

0550 PM     TSTM WND DMG     TRACY CITY              35.26N 85.75W
04/27/2011                   GRUNDY             TN   LAW ENFORCEMENT

            TREES BLOWN DOWN IN SEVERAL AREAS NEAR TRACY CITY. ONE
            TREE FELL ON A HOUSE.

&&

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.