Alert archive / Tennessee / Flash Flood Warnings in 2009

Flash Flood Warning 233, NWS Memphis, TN

December 8, 2009Decatur County, Tennessee

NWS Memphis, TN issued this flash flood warning at Dec 8, 2009, 7:28 PM CST for Decatur County, Tennessee. It was in force for 3 hr. 4 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: Dec 8, 2009, 7:28 PM CST (01:28 UTC)
Expired: Dec 8, 2009, 10:04 PM CST
In force: 3 hr
Issued by: NWS Memphis, TN
Area: Storm-based polygon
Flood severity: None

County Decatur County, TN

What was reported inside it

Time	Report	Where	Remark
Dec 8, 7:45 PM CST	FLASH FLOOD	1 S Parsons, TN	WATER COVERING FAIRGROUNDS RD...IMPASSABLE
Dec 8, 7:45 PM CST	FLASH FLOOD	6 N Parsons, TN	WATER COVERING GIBSON RD...IMPASSABLE
Dec 8, 7:45 PM CST	FLASH FLOOD	8 N Parsons, TN	WATER COVERING PUGH RD...IMPASSABLE
Dec 8, 7:45 PM CST	FLASH FLOOD	Parsons, TN	WATER COVERING A PORTION OF MAXWELL RD...IMPASSABLE

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 4 storm reports to this flash flood warning; the first came 15 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 text

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

000 
WGUS54 KMEG 090130
FFWMEG
TNC039-090430-
/O.NEW.KMEG.FF.W.0233.091209T0130Z-091209T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
728 PM CST TUE DEC 8 2009

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  DECATUR COUNTY IN TENNESSEE...

* UNTIL 1030 PM CST

* AT 728 PM CST...DOPPLER RADAR ESTIMATES 0.5 TO 0.75 INCHES OF 
RAINFALL HAS OCCURRED OVER THE PAST HOUR.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO RURAL AREAS
  OF DECATUR COUNTY.

THIS WARNING INCLUDES THE FOLLOWING LOW WATER CROSSINGS IN DECATUR
COUNTY BIBLE HILL ROAD AT SHIPMAN CREEK...BIBLE HILL ROAD IN
PARSONS...BOHANNON LD ROAD AT RICKETTS CREEK...CONCORD ROAD AT LESTER
CREEK...FAIRGROUND ROAD...HAYNES ROAD AT HOG CREEK...HOG CREEK ROAD
AT MILLS BRANCH...LARGE ROAD AT RUSSIAN CREEK...LARGO ROAD 4...
NORTHWOOD STREET IN PARSONS...OAK PARK ROAD AT CHEROKEE HEIGHTS
ROAD...OLD LEXINGTON ROAD AT BEAR CREEK AND W O BAKER ROAD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

.MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE
INTO AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE
USUALLY DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS
POWERFUL ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING
FLOODED ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.

.STAY TUNED TO THIS BROADCAST FOR THE LATEST UPDATES AND INFORMATION.
TO REPORT FLASH FLOODING ONLY...CALL 1 800 4 3 2 0 8 7 5.

&&

LAT...LON 3548 8798 3546 8804 3543 8804 3542 8820
      3583 8816 3586 8810 3586 8804 3583 8801
      3581 8796 3573 8802 3567 8801 3561 8802
      3555 8797 3550 8796

$$

1 follow-up statement

000 
WGUS74 KMEG 090404
FFSMEG

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
1004 PM CST TUE DEC 8 2009

TNC039-090414-
/O.CAN.KMEG.FF.W.0233.000000T0000Z-091209T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DECATUR TN-
1004 PM CST TUE DEC 8 2009

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR DECATUR COUNTY...

THE HEAVY RAINFALL WHICH PROMPTED THE WARNING HAS DIMINISHED ACROSS
THE WARNED AREA. THUS THE FLASH FLOOD WARNING HAS BEEN CANCELLED.

THIS WARNING INCLUDES THE FOLLOWING LOW WATER CROSSINGS IN DECATUR
COUNTY BIBLE HILL ROAD AT SHIPMAN CREEK...BIBLE HILL ROAD IN
PARSONS...BOHANNON LD ROAD AT RICKETTS CREEK...CONCORD ROAD AT LESTER
CREEK...FAIRGROUND ROAD...HAYNES ROAD AT HOG CREEK...HOG CREEK ROAD
AT MILLS BRANCH...LARGE ROAD AT RUSSIAN CREEK...LARGO ROAD 4...
NORTHWOOD STREET IN PARSONS...OAK PARK ROAD AT CHEROKEE HEIGHTS
ROAD...OLD LEXINGTON ROAD AT BEAR CREEK AND W O BAKER ROAD.

.STAY TUNED TO THIS BROADCAST FOR THE LATEST UPDATES AND INFORMATION.
TO REPORT SEVERE WEATHER ONLY...CALL 1 800 4 3 2 0 8 7 5.

LAT...LON 3548 8798 3546 8804 3543 8804 3542 8820
      3583 8816 3586 8810 3586 8804 3583 8801
      3581 8796 3573 8802 3567 8801 3561 8802
      3555 8797 3550 8796

$$

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Memphis, TN wrote its last area forecast discussion before this flash flood warning went out at Dec 8, 5:35 PM CST, 1 hour 53 minutes earlier.

Area forecast discussion, Dec 8, 5:35 PM CST, 1 hour 53 minutes before

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Hazardous weather outlook, Dec 8, 6:08 PM CST, 1 hour 20 minutes before

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In the hours before

Local storm report, Dec 8, 3:55 PM CST, 3 hours 33 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MEMPHIS TN
355 PM CST TUE DEC 08 2009

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

0354 PM     FLASH FLOOD      HERNANDO                34.83N 89.99W
12/08/2009                   DESOTO             MS   LAW ENFORCEMENT

            PINE TREE LOOP UNPASSABLE...BARRICADES BEING SET UP

&&

DSV

Local storm report, Dec 8, 4:17 PM CST, 3 hours 11 minutes before

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE MEMPHIS TN
417 PM CST TUE DEC 08 2009

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

0354 PM     FLASH FLOOD      HERNANDO                34.83N 89.99W
12/08/2009                   DESOTO             MS   LAW ENFORCEMENT

            PINE TREE LOOP UNPASSABLE...BARRICADES BEING SET UP

0414 PM     FLASH FLOOD      BOLIVAR                 35.26N 89.00W
12/08/2009                   HARDEMAN           TN   LAW ENFORCEMENT

            VERY HIGH WATER ON HWY 18N NEAR THE HATCHIE RIVER...AND
            HWY 125S NEAR HANNIS RD. BOTH OF THESE LOCATIONS ARE
            QUICKLY BECOMING IMPASSABLE.

&&

DSV

Local storm report, Dec 8, 4:29 PM CST, 2 hours 59 minutes before

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE MEMPHIS TN
429 PM CST TUE DEC 08 2009

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

0354 PM     FLASH FLOOD      HERNANDO                34.83N 89.99W
12/08/2009                   DESOTO             MS   LAW ENFORCEMENT

            PINE TREE LOOP UNPASSABLE...BARRICADES BEING SET UP

0414 PM     FLASH FLOOD      BOLIVAR                 35.26N 89.00W
12/08/2009                   HARDEMAN           TN   LAW ENFORCEMENT

            VERY HIGH WATER ON HWY 18N NEAR THE HATCHIE RIVER...AND
            HWY 125S NEAR HANNIS RD. BOTH OF THESE LOCATIONS ARE
            QUICKLY BECOMING IMPASSABLE.

0423 PM     FLASH FLOOD      6 NE GERMANTOWN         35.15N 89.72W
12/08/2009                   SHELBY             TN   NWS EMPLOYEE

            WATER OVERFLOWING FROM COULEES AND DITCHES ONTO THE
            ROADWAY AT THESE LOCATIONS...WALNUT GROVE AND ROCK
            CREEK...HUMPHREYS AND HOUSTON LEVEE...AND SEVERAL
            LOCATIONS ON MACON ROAD...EAST OF PISGAH. PASSAGE THROUGH
            THESE AREAS BECOMING VERY DANGEROUS.

&&

DSV

Local storm report, Dec 8, 5:01 PM CST, 2 hours 27 minutes before

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE MEMPHIS TN
501 PM CST TUE DEC 08 2009

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

0218 PM     FLASH FLOOD      HENDERSON               35.44N 88.65W
12/08/2009                   CHESTER            TN   TRAINED SPOTTER

            LARGE AMOUNTS OF STREET FLOODING AND POOLING OF WATER ON
            ROADWAYS IN HENDERSON

0354 PM     FLASH FLOOD      HERNANDO                34.83N 89.99W
12/08/2009                   DESOTO             MS   LAW ENFORCEMENT

            PINE TREE LOOP UNPASSABLE...BARRICADES BEING SET UP

0414 PM     FLASH FLOOD      BOLIVAR                 35.26N 89.00W
12/08/2009                   HARDEMAN           TN   LAW ENFORCEMENT

            VERY HIGH WATER ON HWY 18N NEAR THE HATCHIE RIVER...AND
            HWY 125S NEAR HANNIS RD. BOTH OF THESE LOCATIONS ARE
            QUICKLY BECOMING IMPASSABLE.

0423 PM     FLASH FLOOD      6 NE GERMANTOWN         35.15N 89.72W
12/08/2009                   SHELBY             TN   NWS EMPLOYEE

            WATER OVERFLOWING FROM COULEES AND DITCHES ONTO THE
            ROADWAY AT THESE LOCATIONS...WALNUT GROVE AND ROCK
            CREEK...HUMPHREYS AND HOUSTON LEVEE...AND SEVERAL
            LOCATIONS ON MACON ROAD...EAST OF PISGAH. PASSAGE THROUGH
            THESE AREAS BECOMING VERY DANGEROUS.

0444 PM     FLASH FLOOD      5 WNW ARLINGTON         35.31N 89.75W
12/08/2009                   SHELBY             TN   TRAINED SPOTTER

            HEAVY RUNOFF OF WATER ON BRUNSWICK RD...BETWEEN THE
            CITIES OF MILLINGTON AND ARLINGTON

&&

DSV

Local storm report, Dec 8, 5:13 PM CST, 2 hours 15 minutes before

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Local storm report, Dec 8, 5:45 PM CST, 1 hour 43 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 8, 7:17 PM CST	River Flood Warning	MEG	Madison	4 days
Dec 8, 8:01 PM CST	River Flood Warning	MEG	Crockett, Dyer, Lauderdale	6 days
Dec 8, 8:01 PM CST	River Flood Warning	MEG	Fayette, Shelby	12 hr
Dec 9, 5:53 AM CST	Wind Advisory	MEG	Carroll, Chester, Crockett, Decatur, Dyer, Fayette and 14 more	6 hr

Nearby

Flash Flood Warnings in Tennessee, 2009 Every flash flood warning in 2009

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.