Alert archive / Texas / Flash Flood Warnings in 1986
Flash Flood Warning 13, NWS Shreveport, LA
NWS Shreveport, LA issued this flash flood warning at Jun 9, 1986, 10:10 AM CDT for Shelby County, Texas. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- Jun 9, 1986, 10:10 AM CDT (15:10 UTC)
- Expired
- Jun 9, 1986, 12:30 PM CDT
- In force
- 2 hr
- Issued by
- NWS Shreveport, LA
- Area
- Whole counties
County Shelby County, TX
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
Longview/Gregg, TX (KGGG), launched 12:00Z, 3.2 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.
- Mixed-layer CAPE
- 312 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 564 m above ground
- 0-6 km bulk shear
- 0 kt
- 0-1 km storm-relative helicity
- 0 m²/s²
- 0-3 km storm-relative helicity
- 0 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KSHV 091515
FFWSHV
TXC365-203-419-LAC017-015-119-031-091730-
BULLETIN...EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
1010 AM CDT MON JUN 9 1986
THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE
UNTIL 1230 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES/PARISHES IN
IN NORTHEAST TEXAS...SOUTHEAST HARRISON...PANOLA AND SHELBY COUNTIES
IN NORTHWEST LOUISIANA...SOUTHERN TWO THIRDS OF CADDO AND BOSSIER
INCLUDING THE SHREVEPORT METROPOLTAN AREA
...NORTHERN DESOTO...WEBSTER
THIS IS AN EXTENSION OF PREVIOUS WARNINGS IN TIME FOR MOST OF THESE
PARSIHES AND COUNTIES...NOW INCLUDES SOUTHEAST HARRISON COUNTY AND
NORTHERN DESOTO PARISH.
A BAND OF MODERATE TO HEAVY SHOWERS AND ISOLATED THUNDERSTORMS CONTINUE
MOVE ACROSS THE SAME GENERAL AREA AND RADAR INDICATIONS ARE THAT THREE
TO FIVE INCHES OF RAIN HAS OCCURRED SINCE 3 AM THIS MORNING OVER THE
WARNED AREA AND STORM TOTALS BY NOON WILL ON THE ORDER OF FIVE TO OVER
SEVEN INCHES IN A FEW SPOTS. SHOWERS AND THUNDERSTORMS ARE NOW REFORMING
OVER SHELBY COUNTY TEXAS WHERE FLOODING CONTINUES FROM THE HEAVY RAIN
FALL THIS MORNING.
THUS FAR CONSIDERABLE STREET AND UNDERPASS FLOODING HAS OCCURRED WITH
SEVERAL SECONDARY ROADS CLOSED IN LOW AREAS...LOW AREA FLOODING HAS
INCREASED OVER THE PAST HOUR AND SOME EVACUATION HAS TAKEN PLACE IN
THE SHREVEPORT METROPOLITAN AREA...ALSO IN THE CARTHAGE TEXAS AREA.
DUE TO THE CONTINUATION OF THE RAIN AND THUNDERSTORMS ACROSS THE SAME
GENERAL AREA...SMALL BAYOUS WILL OVERFLOW...AFFECTING ADDITIONAL ROAD-
WAYS INCLUDING MAIN HIGHWAYS...AND SUBDIVISIONS IN LOW AREAS WILL
FLOOD.
AT 1010 AM CDT THE NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT WAS
INDICATING A 30 TO 40 MILE WIDE BAND OF SHOWERS AND SCATTERED THUNDER
STORMS FROM NORTH OF EL DORADO ARKANSAS...SOUTHWEST ACROSS THE
SHREVEPORT AREA TO 15 MILES NORTHWEST OF CENTER TEXAS. VERY HEAVY
THUNDERSTORMS WERE OVER BOSSIER CITY AND SOUTHEAST SHREVEPORT TO SOUTH
OF CARTHAGE TEXAS.
OTHER SHOWERS AND THUNDERSTORMS WERE DEVELOPING FROM THE TOLEDO
BEND COUNTRY INTO THE SOUTHERN SECTIONS OF NORTHCENTRAL LOUISIANA
AND OVER SOUTHWEST ARKANSAS EAST OF TEXARKANA.
MOTORISTS ARE ADVISED NOT TO DRIVE THOUGH FLOODED ROADWAYS...STAY
AWAY FROM DRAINAGE DITCHES...BE AWARE THAT WATER WILL CONTINUE TO
RISE AFTER RAINFALL DECREASES FROM THE SOUTHWEST.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, Jun 9, 5:25 AM CDT, 4 hours 45 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 525 AM CDT MON JUN 9 1986 ...NUMEROUS MODERATE TO HEAVY SHOWERS AND THUNDERSHOWERS CONTINUE TO SPREAD NORTHEASTWARD OVER THE SOUTHERN HALF OF NORTHEAST TEXAS AND NORTHWEST AND NORTH CENTRAL LOUISIANA... AT 525AM THE WEATHER SERVICE RADAR IN SHREVEPORT WAS INDICATING AN AREA OF SHOWERS AND THUNDERSHOWERS 60 MILES WIDE THAT EXTENDED FROM LONGVIEW AND NACOGDOCHES TEXAS NORTHEASTWARD ACROSS NORTHWEST AND NORTHCENTRAL LOUISIANA. ACTIVITY WITHIN THE AREA WAS MOVING TO THE NORTH AND NORTHEAST AT 15 TO 20 MPH. SOME OF THE HEAVIER SHOWERS AND THUNDERSHOWERS WERE MOVING ACROSS THE SHREVEPORT AREA. AT THE SHREVEPORT REGIONAL AIRPORT OVER AN INCH AND A QUARTER OF RAIN FELL FROM SHORTLY BEFORE 4AM THROUGH 520 AM AND WAS STILL FALLING WITH MORE HEAVY SHOWERS MOVING INTO THE AREA FROM THE SOUTH. STREET FLOODING IS OCCURING THROUGH THE METROPOLITAN AREA AND WILL BECOME MORE WIDE- SPREAD AS RUNOFF FROM CURRENT AND EXPECTED RAINFALL CONTINUES. OTHER STREET AND LOW AREA FLOODING IS LIKELY OVER NORTHEAST TEXAS AND NORTH- WEST LOUISIANA THIS MORNING. SHOWERS WERE INCREASING OVER SOUTHWEST ARKANSAS AND DECREASING OVER THE SOUTHERN PORTION OF NORTHWEST AND NORTHCENTRAL LOUISIANA. SOME DECREASE IN SHOWER ACTIVITY IS LIKELY DURING THE MORNING BUT DAYTIME HEATING WILL RESULT IN REDEVELOPMENT DURING MIDDAY AND AFTER- NOON...AGAIN WITH LOCALLY HEAVY RAINFALL POSSIBLE.
Special weather statement, Jun 9, 6:49 AM CDT, 3 hours 21 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 645 PM CDT MON JUN 9 1986 NUMEROUS SHOWERS AND SCATTERED THUNDERSTORMS CONTINUE SPREAD SLOWLY NORTHEAST ACROSS NORTHWEST LOUISIANA AND THE ADJACENT AREA OF NORTH EAST TEXAS AND SOUTHCENTRAL ARKANSAS. RAINFALL OF ONE TO TWO INCHES HAS FALLEN DURING THE NIGHT OVER THE NORTHWEST CORNER OF LOUISIANA...INCLUDING THE SHREVEPORT/BOSSIER CITY METROPOLITAN AREA. RAINFALL RATE FOR THE MOST PART HAS BEEN MODERATE...BUT ACCUMULATION OF WATER IN LOW AREAS WILL CONTINUE AND STREET AND UNDERPASS FLOODING WILL OCCUR. INDICATIONS ARE THAT RAINFALL TOTALS IN THE METROPOLITAN AREA BY 830 AM WILL EXCEED THREE INCHES..INCREASING THE THREAT OF LOW AREA FLOODING. AT 645 AM CDT THE NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT WAS SHOWING A 50 MILE WIDE AREA OF NUMEROUS SHOWERS AND ISOLATED THUNDER STORMS FROM NORTHEAST OF MAGNOLIA ARKANSAS..SOUTHWEST ACROSS THE SHREVEPORT/BOSSIER CITY AREA TO THE CARTHAGE TEXAS TO SOUTHEAST OF HENDERSON TEXAS. HEAVIEST RAINFALL WAS OCCURRING WITH THUNDERSTORMS IN A AREA FROM SOUTH OF SPRINGHILL LOUISIANA TO SHREVEPORT TO NEAR CARTHAGE. A VERY HEAVY THUNDERSTORM WAS MOVING INTO SOUTHWEST SHREVEPORT WHICH WILL DUMP ANOTHER INCH OF RAIN OVER THE NEXT HOUR OR SO OVER PARTS OF THE CITY. OTHER SHOWERS WERE IN A AREA FROM THE OUACHTIA RIVER NORTHEAST OF EL DORADO TO NORTHEAST OF RUSTON..AND FROM NEAR PRESCOTT ARKANSAS TO EAST OF TEXARKANA TO LAKE OF PINES WEST OF JEFFERSON TEXAS.
Special weather statement, Jun 9, 7:37 AM CDT, 2 hours 33 minutes before
SPECIAL WEATHER AND FLOOD STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 730 AM CDT MON JUN 9 1986 LOW AREA FLOODING CONTINUES TO DEVELOP OVER THE SOUTHERN PART OF NORTH EAST TEXAS...ACROSS THE NORTHWEST SECTIONS OF LOUISIANA...INCLUDING THE SHREVEPORT/BOSSIER CITY METROPOLITAN AREA INTO THE IMMEDIATE ADJACENT AREA OF SOUTH ARKANSAS. REPORTS THROUGH 7 AM THIS MORNING AND RADAR INDICATIONS ARE THAT FROM TWO TO OVER THREE INCHES OF RAIN HAS OCCURRED OVER PARTS OF SHELBY AND PANOLA COUNTIES IN NORTHEAST TEXAS AND THE SOUTHEAST SECTIONS OF HARRISON AND ACROSS PARTS OF CADDO...BOSSIER...WEBSTER ALONG WITH NORTHERN DESOTO AND WESTERN CLAIBORNE PARISHES IN NORTHWEST LOUISIANA INCLUDING THE SHREVEPORT/BOSSIER CITY METROPOLITAN AREA. SEVERAL STREETS IN THE SHREVEPORT BOSSIER CITY AREA ARE FLOODING IN LOW AREAS...AND NO DOUBT SOME ROADWAY FLOODING IS DEVELOPING IN LOW AREAS ACROSS THE SOUTHERN SECTIONS OF NORTHEAST TEXAS ACROSS EXTREME NORTHEAST TEXAS. MOTORIESTS ARE ADVISED NOT TO ATTEMPT TO DRIVE THROUGH FLOODED ROAD WAYS..BE AWARE OF RISING WATER IN LOW AREAS DUE TO POSSBLE SMALL STREAM OVERFLOW. ALTHOUGH THE RAINFALL RATE HAS BEEN MAINLY MODERATE DURING THE NIGHT OVER THE AREA...THE COMBINATION OF TWO TO OVER THREE INCHES OF RAIN OVER THE PAST FIVE HOURS ALONG WITH SATURATED GROUND AND ABOVE NORMAL FLOWS ON AREA STREAMS WILL CONTINUE THE THREAT OF LOW AREA FLOODING THIS MORNING AS RAIN AND SHOWERS WILL CONTINUE OVER THE SAME GENERAL AREA. AT 730 AM CDT THE NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT WAS SHOWING A 40 MILE WIDE AREA OF NUMEORUS SHOWERS AND ISOLATED THUNDER STORMS FROM CAMDEN IN SOUTHWEST ARKANSAS ACROSS THE MAGNOLAI AREA.. SOUTHWEST ACROSS THE SHREVEPPORT AREA TO SOUTHEAST OF CENTER TEXAS. MOVMENT CONTINUES NORTHEAST ACROSS THE SAME GENERAL AREA THUS RAINFALL TOTALS OF OVER THREE INCHES AND POSSIBLY FOUR WILL HAVE OCCURRED BY 9AM THIS MORNING.
Special weather statement, Jun 9, 7:53 AM CDT, 2 hours 17 minutes before
SPECIAL WEATHER AND FLOOD STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 730 AM CDT MON JUN 9 1986 LOW AREA FLOODING CONTINUES TO DEVELOP OVER THE SOUTHERN PART OF NORTH EAST TEXAS...ACROSS THE NORTHWEST SECTIONS OF LOUISIANA...INCLUDING THE SHREVEPORT/BOSSIER CITY METROPOLITAN AREA INTO THE IMMEDIATE ADJACENT AREA OF SOUTH ARKANSAS. REPORTS THROUGH 7 AM THIS MORNING AND RADAR INDICATIONS ARE THAT FROM TWO TO OVER THREE INCHES OF RAIN HAS OCCURRED OVER PARTS OF SHELBY AND PANOLA COUNTIES IN NORTHEAST TEXAS AND THE SOUTHEAST SECTIONS OF HARRISON AND ACROSS PARTS OF CADDO...BOSSIER...WEBSTER ALONG WITH NORTHERN DESOTO AND WESTERN CLAIBORNE PARISHES IN NORTHWEST LOUISIANA INCLUDING THE SHREVEPORT/BOSSIER CITY METROPOLITAN AREA. SEVERAL STREETS IN THE SHREVEPORT BOSSIER CITY AREA ARE FLOODING IN LOW AREAS...AND NO DOUBT SOME ROADWAY FLOODING IS DEVELOPING IN LOW AREAS ACROSS THE SOUTHERN SECTIONS OF NORTHEAST TEXAS ACROSS EXTREME NORTHWEST LOUISIANA. MOTORIESTS ARE ADVISED NOT TO ATTEMPT TO DRIVE THROUGH FLOODED ROAD WAYS..BE AWARE OF RISING WATER IN LOW AREAS DUE TO POSSBLE SMALL STREAM OVERFLOW. ALTHOUGH THE RAINFALL RATE HAS BEEN MAINLY MODERATE DURING THE NIGHT OVER THE AREA...THE COMBINATION OF TWO TO OVER THREE INCHES OF RAIN OVER THE PAST FIVE HOURS ALONG WITH SATURATED GROUND AND ABOVE NORMAL FLOWS ON AREA STREAMS WILL CONTINUE THE THREAT OF LOW AREA FLOODING THIS MORNING AS RAIN AND SHOWERS WILL CONTINUE OVER THE SAME GENERAL AREA. AT 730 AM CDT THE NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT WAS SHOWING A 40 MILE WIDE AREA OF NUMEORUS SHOWERS AND ISOLATED THUNDER STORMS FROM CAMDEN IN SOUTHWEST ARKANSAS ACROSS THE MAGNOLIA AREA.. SOUTHWEST ACROSS THE SHREVEPORT AREA TO NORTHWEST OF CENTER TEXAS. MOVMENT CONTINUES NORTHEAST ACROSS THE SAME GENERAL AREA THUS RAINFALL TOTALS OF OVER THREE INCHES AND POSSIBLY FOUR WILL HAVE OCCURRED BY 9AM THIS MORNING.
The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 9, 8:00 AM CDT | Flash Flood Warning | SHV | Panola, Shelby | 3 hr |
| Jun 9, 10:10 AM CDT | Flash Flood Warning | SHV | Harrison, Panola | 2 hr |
| Jun 9, 12:20 PM CDT | Flash Flood Warning | SHV | Panola, Shelby | 3 hr |
Nearby
Flash Flood Warnings in Texas, 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.