Alert archive / Tennessee / Flash Flood Warnings in 1991

Flash Flood Warning 10, NWS Nashville, TN

May 27, 1991Dickson County, Hickman County, Tennessee

NWS Nashville, TN issued this flash flood warning at May 27, 1991, 5:08 AM CDT for Dickson County, Hickman County, Tennessee. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued: May 27, 1991, 5:08 AM CDT (10:08 UTC)
Expired: May 27, 1991, 7:15 AM CDT
In force: 2 hr
Issued by: NWS Nashville, TN
Area: Whole counties

Counties Dickson County, TN, Hickman County, TN

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 10.1 hours before the alert went out and 75 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: 45 J/kg
Mixed-layer CIN: -24 J/kg
Mixed-layer LCL: 1195 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 45 m²/s²
0-3 km storm-relative helicity: 72 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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.

In the hours before

Special weather statement, May 26, 11:44 PM CDT, 5 hours 24 minutes before

TNZ009-010-011-270545-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE NASHVILLE TN
1141 PM CDT SUN MAY 26 1991

AT 1130 PM CDT...THE NASHVILLE WEATHER RADAR INDICATED SCATTERED
SHOWERS AND A FEW THUNDERSTORMS...ALL WITH HEAVY RAIN...OVER THE
WESTERN PORTION OF MIDDLE TENNESSEE FROM CLARKSVILLE TO SPRINGFIELD
...SOUTH TO DICKSON...CENTERVILLE AND COLUMBIA.

THESE SHOWERS AND THUNDERSTORMS WERE INCLUDED IN A NEARLY SOLID AREA
OF RAIN OVER MOST OF MIDDLE TENNESSEE...ALONG PORTIONS OF THE
CUMBERLAND PLATEAU IN TENNESSEE...ACROSS MUCH OF SOUTH CENTRAL
KENTUCKY...AND...OVER NORTHWEST ALABAMA.

...A FLASH WATCH REMAINS IN EFFECT FOR THE REMAINDER OF TONIGHT
FOR ALL OF MIDDLE TENNESSEE FROM THE WEST BRANCH OF THE TENNESSEE
RIVER/KENTUCKY LAKE REGION...TO THE CUMBERLAND PLATEAU.

MOVEMENT OF ALL ACTIVITY WAS TO THE NORTH AT 20 MILES AN HOUR.

Special weather statement, May 27, 4:47 AM CDT, 21 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
May 27, 1:14 AM CDT	Flash Flood Warning	OHX	Dickson	3 hr

Nearby

Flash Flood Warnings in Tennessee, 1991 Every flash flood warning in 1991

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.