Alert archive / Tennessee / Flash Flood Warnings in 2001

Flash Flood Warning 34, NWS Nashville, TN

October 13, 2001Dickson County, Tennessee

NWS Nashville, TN issued this flash flood warning at Oct 13, 2001, 7:50 PM CDT for Dickson County, Tennessee. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Oct 13, 2001, 7:50 PM CDT (00:50 UTC)
Expired: Oct 13, 2001, 10:30 PM CDT
In force: 3 hr
Issued by: NWS Nashville, TN
Area: Whole counties

County Dickson County, TN

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 0.8 hours before the alert went out and 68 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: 22 J/kg
Mixed-layer CIN: -30 J/kg
Mixed-layer LCL: 786 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 432 m²/s²
0-3 km storm-relative helicity: 584 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.

000 
WGUS54 KOHX 140054
FFWBNA
TNC043-140330-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
750 PM CDT SAT OCT 13 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

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

* UNTIL 1030 PM CDT

* AT 743 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED LOCALLY 
HEAVY RAIN FROM TENNESSEE CITY TO DICKSON TO CHARLOTTE TO CHEATHAM 
DAM. ALL OF THE ACTIVITY IS MOVING NORTHEAST AT 35 MPH.

RAINFALL OVER THE LAST 2 HOURS RANGED FROM 1 INCH TO 2 AND A QUARTER 
INCHES. DUE TO THIS RAIN AND THE RAIN OVER THE LAST 2 DAYS...THE 
GROUND IS SATURATED. THROUGH 1030 PM CDT...ANOTHER 1 TO 2 INCHES OF 
RAIN WILL FALL RESULTING IN FLOODING OF SOME ROADS...ESPECIALLY 
SECONDARY ROADS AND LOW LYING AREAS. 

.A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. 
IF YOU LIVE NEAR STREAMS, RIVERS OR CREEKS...MOVE TO HIGHER GROUND. 
NEVER EVER TRY TO CROSS A FLOODED ROADWAY. 
$$

LAT...LON 3605 8757 3598 8724 3630 8728 3631 8756
JDG

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 Nashville, TN wrote its last area forecast discussion before this flash flood warning went out at Oct 13, 2:45 PM CDT, 5 hours 5 minutes earlier.

Area forecast discussion, Oct 13, 2:45 PM CDT, 5 hours 5 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NASHVILLE TN
245 PM CDT SAT OCT 13 2001

CURRENTLY...SURFACE WAVES SPREAD ALONG NW GULF COAST REGION...
WITH MAIN LOW UP APPROACHING THE OH VALLEY. JET STRUCTURE REMAINS
STRONG ACROSS THE REGION...ESPECIALLY IN THE LOW AND MID LEVELS.
LARGE SHIELD OF MODERATE/HEAVY RAINFALL...WITH WEAK EMBEDDED
BOWS...MOVING ACROSS SW MIDDLE TN. CONVECTION BACK INTO NRN MS
HAS BECOME LITTLE MORE ORGANIZED AND  SEEMS TO BE TRYING TO
STRENGHTEN. ANOTHER LINE OF STORMS OFF THE LA COAST HAS INTENSIFIED
IN ADVANCE OF STRONG UPPER LEVEL SPEED MAX AND DRY AIR INTRUSION.

WIND STRUCTURE/HIGH HELICITY SUGGESTING POSSIBILITY OF ISOLATED
SPINS-UPS/TORNADOES THIS AFTERNOON BUT SEVERE POTENTIAL SEEMINGLY
STILL GOOD WELL THRU 09Z AS COLD FRONT...INSTABILITY...AND 80KT+
UPPER JET PUSH UP INTO THE REGION. SHWRS/TSTMS LIKELY TO BE ONGOING
MOST OF THE NIGHT AS COLD FRONT NOT EXPECT TO BNA TIL AROUND 09Z
...CSV AROUND 12Z. TOR WATCH BOX CONTINUES FOR THE W THRU 23Z...
AND WILL CONTINUE MENTION OF SEVERE POTENTIAL THRU THE NIGHT FOR
POSSIBLE WATCH BOX LATER. ADDITIONALLY...WILL ISSUE A FLASH FLOOD
WATCH FOR ALL ZONES EXCEPT THE PLATEAU TONIGHT. STRONG FORCING
EXPECTED LATER LIKELY TO PRODUCE PLENTY OF HEAVY RAINFALL OVER
AREAS THAT HAVE RECEIVED 2-3 INCHES+ OF RAIN OVER THE LAST 12-24
HOURS.

LAGGING MOISTURE AND COLD FRONT STILL IN THE VICINITY SUN MORNING
WILL WARRANT SMALL MORNING POPS W...HIGHER POPS E. EXPECT LINGERING
LL MOISTURE TO DRY OUT RAPIDLY SUN MORNING...WITH CLEARING TREND
LIKELY GOING BY AFTERNOON.

MEAN LONG-WAVE TYPE MID/UPPER TROFS STAY ACROSS THE ERN US SUN
NIGHT/MON BUT A DRY AIRMASS IN PLACE SHOULD RESULT IN A SETTLED
WX PATTERN.

BNA 65/71/45/68 +300
CSV 62/66/41/63 +500

07
.BNA...FLASH FLOOD WATCH ALL OF MIDDLE TENNESSEE EXCEPT CUMBERLAND
       PLATEAU UNTIL 4 AM.

In the hours before

Local storm report, Oct 13, 7:19 PM CDT, 31 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE,TN
719 PM CDT SAT OCT 13 2001

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0540 PM    CLIFTON                   TN   FLOOD
10/13/01   WAYNE                          TRAINED SPOTTER REPORTED
                                          FLOODING ALONG EAGLE CREEK
                                          AND AT THE INTERSECTION OF
                                          114 AND HIGHWAY 64

0723 PM    CAMDEN                    TN   FLOOD
10/13/01   BENTON                         TRAINED SPOTTER REPORTED
                                          SMALL STREAMS OVER BANKS
                                          AND SEVERAL ROADS FLOODED
                                          IN CAMDEN AND BIG SANDY

SH

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 13, 8:58 PM CDT	Flash Flood Warning	OHX	Hickman, Humphreys	92 min

Nearby

Flash Flood Warnings in Tennessee, 2001 Every flash flood warning in 2001

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.