Alert archive / Tennessee / Flash Flood Warnings in 1986
Flash Flood Warning 4, NWS Memphis, TN
NWS Memphis, TN issued this flash flood warning at Sep 18, 1986, 6:52 PM CDT for 5 counties in Tennessee. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Sep 18, 1986, 6:52 PM CDT (23:52 UTC)
- Expired
- Sep 18, 1986, 10:00 PM CDT
- In force
- 3 hr
- Issued by
- NWS Memphis, TN
- Area
- Whole counties
Counties Crockett County, TN, Dyer County, TN, Gibson County, TN, Lauderdale County, TN, Madison County, TN
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Little Rock, AR (KLZK), launched 12:00Z, 11.9 hours before the alert went out and 132 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 3613 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 8 m²/s²
- 0-3 km storm-relative helicity
- 17 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAAOO KMEM 182352
FFWMEM
ARC031-093-TNC033-045-053-097-113-190300-
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
652 PM CDT THU SEP 18 1986
THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING
EFFECTIVE UNTIL 1000 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES:
IN NORTHEAST ARKANSAS
..CRAIGHEAD..MISSISSIPPI
IN WEST TENNESSEE
..CROCKETT..DYER..GIBSON
..LAUDERDALE..MADISON
HEAVY RAINS THAT HAVE FALLEN IN A BAND FROM JONESBORO ARKANSAS TO
JACKSON TENNESSEE DURING THE PAST 3 HOURS HAVE DUMPED BETWEEN 3 AND 5
INCHES OF RAIN AND POSSIBLY MORE IN ISOLATED SPOTS. FLOODING HAS BEEN
REPORTED IN JONESBORO ARKANSAS...JACKSON TENNESSEE...AND HUMBOLDT
TENNESSEE.
RAINS CONTINUE TO FALL IN THESE AREAS. EVEN WITHOUT ADDITIONAL
RAIN...CONTINUED RUNOFF WILL LIKELY CAUSE FLASH FLOODING DURING THE
NEXT 3 HOURS. STREAMS AND ROADS WILL OVERFLOW WITH WATER CAUSING
LIFE-THREATENING CONDITIONS.
IF WATER RISES IN YOUR AREA...MOVE TO HIGHER GROUND OR AWAY FROM THE
FLOODING RIGHT AWAY. DO NOT...REPEAT DO NOT...DRIVE THROUGH FLOODED
AREAS OR ACROSS BRIDGES WHERE WATER IS FLOWING ACROSS THEM.
HEAVIEST RAINS ARE EXPECTED TO DIMINISH BY AROUND 900 PM. HOWEVER,
AREA RESIDENTS NEED TO USE ALL APPROPRIATE CAUTION THIS EVENING.
PLEASE CONTINUE TO MONITOR THIS STATION FOR THE LATEST WEATHER
INFORMATION.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT. IT'S
IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS, RIVERS, OR
CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS. CAMPERS SHOULD
AVOID CAMPING ALONG STREAMS OR CREEKS DURING THREATENING RAINS.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, Sep 18, 3:16 PM CDT, 3 hours 36 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
315 PM CDT THU SEP 18 1986
... STRONG THUNDERSTORMS DEVELOPING ACROSS THE MID-SOUTH ...
ONCE AGAIN...STRONG THUNDERSTORMS HAVE DEVELOPED DURING THE HEAT OF
MID-AFTERNOON ACROSS THE MID-SOUTH. AT 3:15 PM CDT THUNDERSTORMS COVERED
MUCH OF NORTHWEST MISSISSIPPI AND MUCH OF NORTHWEST TENNESSEE AND THE
MISSOURI BOOTHEEL. THE STRONGEST THUNDERSTORM WAS LOCATED ALONG THE
TENNESSEE-MISSISSIPPI LINE BETWEEN HOLLY SPRINGS MISSISSIPPI AND
COLLIERVILLE TENNESSEE.
DUE...IN PART...TO THE VERY WARM AFTERNOON TEMPERATURES...THE STRONGEST
THUNDERSTORMS WILL PRODUCE STRONG AND POSSIBLY DAMAGING WINDS. IN
ADDITION...THE THUNDERSTORMS MAY ALSO FEATURE HAIL AND VERY HEAVY RAIN.
THESE THUNDERSTORMS ARE MOVING TO THE NORTHEAST AROUND 15 MILES AN HOUR
AND WILL CONTINUE TO AFFECT THE MID-SOUTH UNTIL A FEW HOURS AFTER
SUNSET.
RESIDENTS OF THE MID-SOUTH SHOULD REMAIN ALERT TO THE POSSIBILITY OF
SEVERE WEATHER. PLEASE REMEMBER THAT LOW-LYING ROADWAYS MAY BECOME
WATER COVERED RAPIDLY...DO NOT ATTEMPT TO DRIVE THROUGH HIGH WATER.
PLEASE MONITOR THIS STATION FOR ADDITIONAL STATEMENTS AND POSSIBLE
WARNINGS.The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 18, 3:53 PM CDT | Severe Thunderstorm Warning | MEG | Lauderdale | 37 min |
Nearby
Flash Flood Warnings in Tennessee, 1986Every flash flood warning in 1986
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.