Alert archive / Tennessee / Flash Flood Warnings in 1996

Flash Flood Warning 29, NWS Morristown, TN

August 26, 1996Cumberland County, Tennessee

NWS Morristown, TN issued this flash flood warning at Aug 26, 1996, 6:58 PM CDT for Cumberland County, Tennessee. It was in force for 2 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
Aug 26, 1996, 6:58 PM CDT (23:58 UTC)
Expired
Aug 26, 1996, 9:00 PM CDT
In force
2 hr
Issued by
NWS Morristown, TN
Area
Whole counties

County Cumberland County, TN

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 12.0 hours before the alert went out and 145 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-pSkew-T log-p diagram, Nashville Metro, TN at 12:00Z on 1996-08-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1159 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 12:00Z on 1996-08-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 30 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
1159 J/kg
Mixed-layer CIN
-38 J/kg
Mixed-layer LCL
814 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
30 m²/s²
0-3 km storm-relative helicity
66 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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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.

NWS Morristown, TN wrote its last area forecast discussion before this flash flood warning went out at Aug 26, 2:30 PM CDT, 4 hours 28 minutes earlier.

Area forecast discussion, Aug 26, 2:30 PM CDT, 4 hours 28 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE KNOXVILLE/TRI-CITIES TN
330 PM EDT MON AUG 26 1996

RATHER WEAK WX PATTERN CONTS ACROSS SE STATES THRU THE FCST PD. SCT
SHWRS/TSTMS XTNDG FROM NRN PLATEAU TO SRN MID TN SHLD DIE OUT W/SS.
XPCTG ANTHR NGT OF FAIR SKIES W/LATE NGT/EARLY AM FOG. COLD FRONT &
ASSOC VORT SHEAR AXIS SLOWLY MOVG OUR WAY FROM THE NW DURING TUES MOVG
THRU LOWER OHIO VALLEY TUE AFTN. GRIDDS DEPICTING GOOD 1000-850 MB
CONVERG DURING THE DAY ACRS MY CWA. E TN ALSO NEAR FAVORABLE RRQ OF
300 MB JET MAX PASSING OVHD. WOULD GO FOR POPS ARND 40 PCT. TUES NIGHT
FRONT DROPS INTO TN. DYNAMICS NOT VERY IMPRESSIVE AS VORT CENTER
STAYS TO OUR N. HOWEVER WOULD KEEP A 20 PCT CHC SHWRS/TSTMS IN FCST.
ON WED..MAIN VORT CENTER WL BE TO OUR N & E W/TAIL END OF FRONT MOVG
VERY SLOWLY SE THRU TN OR EVEN BECMG STNRY AS IT MOVES AWAY FROM MAIN
UPPER LVL FLOW.  W/FRONT IN THE AREA AND STILL LOTS OF MOISTURE TO
WORK WITH WOULD KEEP IN ARND 30 PCT POPS.  GUIDANCE TEMPS CLOSE THRU
THE PD AND SEEM REASONABLE.

HSA

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 26, 3:37 PM CDTSevere Thunderstorm WarningMRXHamilton68 min
Aug 26, 4:06 PM CDTSevere Thunderstorm WarningMRXLoudon54 min
Aug 26, 4:09 PM CDTSevere Thunderstorm WarningMRXRoane36 min
Aug 26, 4:19 PM CDTSevere Thunderstorm WarningMRXBradley41 min
Aug 26, 4:22 PM CDTSevere Thunderstorm WarningMRXKnox38 min
Aug 26, 4:39 PM CDTSevere Thunderstorm WarningMRXPolk66 min

Nearby

Flash Flood Warnings in Tennessee, 1996Every flash flood warning in 1996

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.