Alert archive / Tennessee / Flash Flood Warnings in 2003

Flash Flood Warning 8, NWS Nashville, TN

February 22, 2003Cumberland County, Tennessee

NWS Nashville, TN issued this flash flood warning at Feb 22, 2003, 2:38 PM CST for Cumberland 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 outline as issued.

The facts

Issued: Feb 22, 2003, 2:38 PM CST (20:38 UTC)
Expired: Feb 22, 2003, 5:45 PM CST
In force: 3 hr
Issued by: NWS Nashville, TN
Area: Counties, with a storm outline in the text

County Cumberland County, TN

The radar

The Nashville radar (KOHX), 139 km from the middle of the area, began a volume at 20:42 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.

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 8.6 hours before the alert went out and 140 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: 546 m above ground
0-6 km bulk shear: 90 kt
0-1 km storm-relative helicity: 250 m²/s²
0-3 km storm-relative helicity: 248 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 222045
FFWBNA
TNC035-222345-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
238 PM CST SAT FEB 22 2003

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CUMBERLAND COUNTY IN TENNESSEE
  THIS INCLUDES THE CITY OF CROSSVILLE

* UNTIL 545 PM CST

* AT 236 PM CST...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY
  THUNDERSTORMS AND RAIN SHOWERS REPEATEDLY MOVING OVER CUMBERLAND COUNTY.

* MORE SHOWERS AND THUNDERSTORMS ARE EXPECTED TO MOVE ACROSS THE WARNED AREA
  FOR THE NEXT COUPLE OF HOURS...PRODUCING UP TO AN ADDITIONAL ONE TO TWO 
  INCHES OF RAINFALL. THIS WILL LIKELY CAUSE FLOODING OF SMALL STREAMS AND 
  LOW LYING AREAS. 

A FLASH FLOOD WARNING MEANS THAT FLASH FLOODING IS OCCURRING OR
IMMINENT. MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO
CROSS BRIDGES, DIPS, OR OTHER LOW SPOTS IF WATER COVERS THE ROAD.
NEVER TRY TO CROSS A FLOWING STREAM, EVEN A SMALL ONE, ON FOOT. TO
ESCAPE RISING WATER, MOVE TO HIGHER GROUND.

FLASH FLOODING IS IMMINENT. MOVE TO HIGHER GROUND TO ESCAPE FLOOD WATERS.


&&

LAT...LON 3597 8523 3585 8513 3595 8475 3611 8494

$$
31

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 22, 2:34 AM CST	Flash Flood Warning	OHX	Franklin	116 min
Feb 22, 10:33 AM CST	Severe Thunderstorm Warning	OHX	Rutherford	57 min
Feb 22, 10:51 AM CST	Severe Thunderstorm Warning	OHX	Coffee	39 min
Feb 22, 10:59 AM CST	Severe Thunderstorm Warning	OHX	Smith, Wilson	46 min
Feb 22, 11:35 AM CST	Severe Thunderstorm Warning	OHX	Warren, White	40 min
Feb 22, 12:22 PM CST	Severe Thunderstorm Warning	OHX	Macon	23 min

Nearby

Flash Flood Warnings in Tennessee, 2003 Every flash flood warning in 2003

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.