Flash Flood Warning 4, NWS Morristown, TN

Issued

Jan 7, 1998, 3:35 PM EST (20:35 UTC)

Expired

Jan 8, 1998, 12:00 PM EST

In force

20 hr

Issued by

NWS Morristown, TN

Area

Whole counties

County Hamilton County, TN

000 
TTAA00 KMRX 072045
FFWMRX
TNC065-100500-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE KNOXVILLE TRI CITIES TN
335 PM EST WED JAN 7 1998
 
THE NATIONAL WEATHER SERVICE IN KNOXVILLE TRI CITIES HAS ISSUED A
FLOOD WARNING EFFECTIVE UNTIL MIDNIGHT EST JANUARY 9
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN EAST TENNESSEE
 
   ...HAMILTON COUNTY
 
HEAVY RAINS FROM A SLOW MOVING STORM SYSTEM HAS CAUSED THE SOUTH
CHICKAMAUGA CREEK TO RISE STEADILY SINCE LAST NIGHT. THE CREEK WILL
CONTINUE TO RISE THROUGH THE NIGHT AND ALL DAY WEDNESDAY.
 
AT 200 PM EST ON JANUARY 7 THE STAGE OF THE SOUTH CHICKAMAUGA CREEK
AT CHICKAMAUGA, TENNESSEE WAS AT 11.8 FEET.  FLOOD STAGE IS 18 FEET.
THE CREEK IS EXPECT TO REACH FLOOD STAGE AROUND 300 AM EST ON JANUARY 8.
THE CREEK IS EXPECTED TO CREST NEAR 22 FEET AROUND 1100 PM EST ON
JANUARY 8....AND REMAIN ABOVE FLOOD STAGE THROUGH JANUARY 9.
 
AT FLOOD STAGE OF 18 FEET...FLOODING BEGINS AT BROWN ACRES AND CONCORD
GOLF COURSE, AT THE CONFLUENCE OF THE WEST AND SOUTH CHICKAMAUGA CREEKS.
 
AT 19 FOOT STAGE...FLOODING EXTENDS ACROSS MACK SMITH ROAD.
 
AT 20 FOOT STAGE...MACK SMITH ROAD IS CLOSED...WATER CROSSES LOVELL FIELLOOP...THE ACCESS ROAD AROUND NORTH END OF THE RUNWAY.
 
AT 21 FOOT STAGE...MACK SMITH ROAD AND LOVELL FIELD LOOP BECOME COMPLETE
IMPASSABLE. WATER STARTS TO ENTER AIRPORT ROAD NORTH OF THE TERMINAL
COMPLEX AT THE LOW SPOTS.
 
AT 22 FOOT STAGE...AIRPORT ROAD IS CLOSED TO TRAFFIC.  SOME HOMES ARE
SLIGHTLY FLOODED NEAR INTERSECTION OF MACK SMITH ROAD AND MAY STREET.
FLOODING AROUND THE NORTH END OF THE AIRPORT BECOMES MORE EXTENSIVE.
 
 
MOST DEATHS IN FLASH FLOODING OCCUR IN AUTOMOBILES.  DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS
THE ROADWAY.  NEVER TRY TO CROSS A FLOWING STREAM...EVEN A
SMALL ONE...ON FOOT.

NWS Morristown, TN wrote its last area forecast discussion before this flash flood warning went out at Jan 7, 3:00 PM EST, 35 minutes earlier.

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE KNOXVILLE/TRI-CITIES TN
3 PM EST WED JAN 7 1998

ETA TOO FAST W/SYSTEM OVER THE SE. PREFER SLOWER NGM/AVN.

BLANKET FFA FOR ALL OF E TN AND CHEROKEE AND CLAY COUNTIES TONIGHT
LOOKS GOOD GIVEN THAT SYSTEM IS MOVG XTRMLY SLOW. CRW..WOULD INCLD SW
VA AS WELL.  SRLY FLOW FM SFC ON UP..DEEP MOISTURE..LIFT..AND GOOD
LOW-LVL THETA-E RIDGE OVER CWA COMBINE TO GERNERATE WIDESPREAD MOD TO
HVY RAINFALL DURING THE OVRNGT HRS.  EVEN THOUGH HEAVIEST RAINFALL WL
BE ON THE E SLOPES OF THE MTS IN FAVORED UPSLOPE AREAS..PREV MENTIONED
FACTORS WL OVERCOME MUCH OF THE RAIN SHADOW EFFECT.  RAIN CHCS SLOWLY
DIMINISH FM SW TO NE THURS AS DEEP MOISTURE AND BEST LIFT GRAD SHIFT N
& E.  WOULD GO FOR LIKELY POPS FOR NE TN/SW VA..GOOD CHC VALLEY &
PLATEAU..CHC POPS SE TN/SW NC. CHC POPS STILL NEEDED THURS NGT.  UPPER
TROF/VORT AXIS PIVOT ACRS CWA & FCST SNDGS SHOW STEEP LAPSE RATE. FRI
WL BE A DRY DAY AS A ZONAL hFLOW BEGINS TO DVLP. LOW LVL WRAPAROUND
MOISTURE REMAINS HI SO CLDY SKIES WL CONTINUE.

FWC/FAN BLEND ON TEMPS PREFERRED.

THANKS FOR COORD CALL MEM.

HSA

Flash Flood Warnings in Tennessee, 1998Every flash flood warning in 1998

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.