Alert archive / Louisiana / Flash Flood Warnings in 1986
Flash Flood Warning 15, NWS Shreveport, LA
NWS Shreveport, LA issued this flash flood warning at Jun 9, 1986, 1:40 PM CDT for Bossier Parish, Caddo Parish, Louisiana. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Jun 9, 1986, 1:40 PM CDT (18:40 UTC)
- Expired
- Jun 9, 1986, 4:30 PM CDT
- In force
- 3 hr
- Issued by
- NWS Shreveport, LA
- Area
- Whole counties
Counties Bossier Parish, LA, Caddo Parish, LA
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, 6.7 hours before the alert went out and 86 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
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.
In the hours before
Special weather statement, Jun 9, 7:53 AM CDT, 5 hours 47 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 | Bossier, Caddo | 3 hr |
| Jun 9, 10:10 AM CDT | Flash Flood Warning | SHV | Caddo | 2 hr |
| Jun 9, 10:10 AM CDT | Flash Flood Warning | SHV | Bossier | 2 hr |
| Jun 9, 12:20 PM CDT | Flash Flood Warning | SHV | De Soto | 3 hr |
| Jun 9, 8:00 AM CDT | Flash Flood Warning | SHV | Panola, Shelby | 3 hr |
| Jun 9, 10:10 AM CDT | Flash Flood Warning | SHV | Shelby | 2 hr |
Nearby
Flash Flood Warnings in Louisiana, 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.