Alert archive / Texas / Flash Flood Warnings in 1990
Flash Flood Warning 104, NWS Shreveport, LA
NWS Shreveport, LA issued this flash flood warning at Nov 9, 1990, 3:36 AM CST for Harrison County, Texas. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Nov 9, 1990, 3:36 AM CST (09:36 UTC)
- Expired
- Nov 9, 1990, 6:45 AM CST
- In force
- 3 hr
- Issued by
- NWS Shreveport, LA
- Area
- Whole counties
County Harrison 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 00:00Z, 9.6 hours before the alert went out and 31 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
- 871 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- 373 m²/s²
- 0-3 km storm-relative helicity
- 293 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 090937 FFWSHV TXC203-091245- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE SHREVEPORT LA 336 AM CST FRI NOV 9 1990 THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 645 AM CST FOR PEOPLE IN THE FOLLOWING LOCATIONS.. IN NORTHEAST TEXAS ...WESTERN HARRISON COUNTY AT 325 AM CST THE NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT SHOWED MODERATE RAIN REDEVELOPING OVER PARTS OF NORTHEAST TEXAS. THE RAIN HAD DIMINISHED OVER WEST CENTRAL LOUISIANA BUT CONTINUED TO REDEVELOP OVER EAST TEXAS. THE LARGE RAIN AREA EXTENDED GENERALLY EAST OF A LINE FROM HARRIS OKLAHOMA TO QUITMAN TEXAS TO NEAR PALESTINE TEXAS. MOVEMENT WAS EAST NORTHEAST NEAR 35 MILES AN HOUR. DURING THE PAST HOUR THE MODERATE RAINS RETURNED TO THE WARNED AREA...AN AREA THAT HAD PREVIOUSLY RECEIVED THREE TO FOUR INCHES OF RAIN. LOW AREA FLOODING HAD DEVELOPED AND FM 449 AND FM 450 WERE EXPERIENCING WATER OVER THE ROADWAYS. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED...ACT QUICKLY. MOVE UP TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
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, Nov 8, 10:02 PM CST, 5 hours 34 minutes before
0822266-TXZ022-023-027-028-032-033-ARZ009-010-011-016-LAZ001-002- 003-004-005-006-090545- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 1000 PM CST THU NOV 8 1990 ...WIDESPREAD RAIN AND NUMEROUS SHOWERS CONTINUED TO SPREAD ACROSS SOUTHERN ARKANSAS..NORTHEAST TEXAS..EXTREME SOUTHEAST OKLAHOMA AND NORTH AND CENTRAL LOUISIANA WITH ISOLATED THUNDERSTORMS OVER CENTRAL LOUISIANA AND EAST CENTRAL TEXAS... THE RAIN SYSTEM WILL CONTINUE TO AFFECT THE AREA OVERNIGHT AND FRIDAY WITH THUNDERSTORMS INCREASING OVER THE SOUTHEAST HALF OF THE AREA LATE TONIGHT THROUGH FRIDAY MORNING. RAINFALL AMOUNTS HAVE BEEN GENERALLY IN THE 1/2 TO ONE INCH RANGE ACROSS NORTH CENTRAL AND NORTHWEST LOUISIANA AS WELL AS SOUTHERN ARKANSAS...WITH ONE TO THREE INCH AMOUNTS NOTED IN NORTHEAST TEXAS. ADDITIONAL HEAVY RAINFALL AMOUNTS WILL OCCUR OVERNIGHT AND FRIDAY MORNING OVER MAINLY THE SOUTHEAST HALF OF THE AREA WHERE STRONG THUNDERSTORMS WILL LIKELY DEVELOP. PRIOR TO THIS RAIN...AREA STREAMS WERE VERY LOW AND UPPER SOIL CONDITIONS WERE DRY. DUE TO THE NATURE OF THE RAINFALL AND PRIOR CONDITIONS THE FLASH FLOOD THREAT IS MINIMAL...HOWEVER HEAVY RAINFALL AMOUNTS WILL OCCUR OVER MAINLY THE SOUTHEAST HALF OF THE AREA OVER THE NEXT 12 TO 18 HOURS..AND PONDING OF WATER IN LOW AREAS...STREET AND UNDERPASS FLOODING IS POSSIBLE. MOTORISTS ARE URGED TO USE CAUTION NOT ONLY DUE TO THE HEAVY RAINFALL BUT LOW VISIBILITIES IN RAIN AND FOG. A FLASH FLOOD WATCH REMAINED IN EFFECT FOR THE SOUTHWEST HALF TONIGHT. THE LEADING EDGE OF THE RAIN AREA EXTENDED FROM NEAR WARREN ARKANSAS TO MONROE LOUISIANA TO NEAR JENA LOUISIANA. THE TRAILING EDGE OF THE RAIN AREA EXTENDED FROM NEAR IDABEL OKLAHOMA TO NEAR TYLER TEXAS TO NEAR GROVETON TEXAS. WITHIN THE WAKE OF THIS SYSTEM ANOTHER RAIN AREA WAS NOTED FROM NEAR AUSTIN TO WACO TEXAS. MOVEMENT WAS EAST NORTHEAST AT 35 TO 40 MILES AN HOUR. THERE IS NO THREAT OF WINTER PRECIPITATION ACROSS THE AREA AS THE TEMPERATURES WILL REMAIN IN THE 40S OVERNIGHT.
Special weather statement, Nov 8, 11:59 PM CST, 3 hours 37 minutes before
0822266-TXZ022-023-027-028-032-033-ARZ009-010-011-016-LAZ001-002- 003-004-005-006-090800- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 1155 PM CST THU NOV 8 1990 ...WIDESPREAD RAIN AND NUMEROUS SHOWERS CONTINUED TO SPREAD ACROSS SOUTHERN ARKANSAS..NORTHEAST TEXAS..EXTREME SOUTHEAST OKLAHOMA AND NORTH AND CENTRAL LOUISIANA WITH ISOLATED THUNDERSTORMS OVER CENTRAL LOUISIANA AND EAST CENTRAL TEXAS... THE RAIN SYSTEM WILL CONTINUE TO AFFECT THE AREA OVERNIGHT AND FRIDAY WITH THUNDERSTORMS INCREASING OVER THE SOUTHEAST HALF OF THE AREA LATE TONIGHT THROUGH FRIDAY MORNING. RAINFALL AMOUNTS HAVE BEEN GENERALLY IN THE 1/2 TO ONE INCH RANGE ACROSS NORTH CENTRAL AND NORTHWEST LOUISIANA AS WELL AS SOUTHERN ARKANSAS...WITH ONE TO THREE INCH AMOUNTS NOTED IN NORTHEAST TEXAS. ADDITIONAL HEAVY RAINFALL AMOUNTS WILL OCCUR OVERNIGHT AND FRIDAY MORNING OVER MAINLY THE SOUTHEAST HALF OF THE AREA WHERE STRONG THUNDERSTORMS WILL LIKELY DEVELOP. PRIOR TO THIS RAIN...AREA STREAMS WERE VERY LOW AND UPPER SOIL CONDITIONS WERE DRY. DUE TO THE NATURE OF THE RAINFALL AND PRIOR CONDITIONS THE FLASH FLOOD THREAT IS MINIMAL...HOWEVER HEAVY RAINFALL AMOUNTS WILL OCCUR OVER MAINLY THE SOUTHEAST HALF OF THE AREA OVER THE NEXT 12 TO 18 HOURS..AND PONDING OF WATER IN LOW AREAS...STREET AND UNDERPASS FLOODING IS POSSIBLE. MOTORISTS ARE URGED TO USE CAUTION NOT ONLY DUE TO THE HEAVY RAINFALL BUT LOW VISIBILITIES IN RAIN AND FOG. A FLASH FLOOD WATCH REMAINED IN EFFECT FOR EAST TEXAS THROUGH THE NIGHT. THE TRAILING EDGE OF THE RAIN AREA EXTENDED FROM NEAR HUGO OKLAHOMA TO NEAR ATHENS TEXAS TO NEAR CROCKETT TEXAS. THE PRECIPITATION EXTENDED ON EAST INTO WESTERN MISSISSIPPI.s MOVEMENT WAS EAST NORTHEAST AT 35 TO 40 MILES AN HOUR.
Special weather statement, Nov 9, 1:51 AM CST, 1 hour 45 minutes before
0822266-TXZ022-023-027-028-032-033-ARZ009-010-011-016-LAZ001-002- 003-004-005-006-091000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 145 AM CST FRI NOV 9 1990 ...WIDESPREAD RAIN AND NUMEROUS SHOWERS CONTINUED TO SPREAD ACROSS SOUTHERN ARKANSAS..NORTHEAST TEXAS..EXTREME SOUTHEAST OKLAHOMA AND NORTH AND CENTRAL LOUISIANA WITH ISOLATED THUNDERSTORMS OVER CENTRAL LOUISIANA... THE RAIN SYSTEM WILL CONTINUE TO AFFECT THE AREA THROUGH THE EARLY MORNING HOURS WITH THUNDERSTORMS INCREASING OVER CENTRAL LOUISIANA THROUGH THIS MORNING. RAINFALL AMOUNTS HAVE BEEN GENERALLY IN 1/2 TO ONE 1/2 INCH RANGE ACROSS NORTH LOUISIANA AND SOUTHERN ARKANSAS WITH ONE TO FOUR INCH AMOUNTS NOTED IN NORTHEAST TEXAS. AS OF 1 AM THE WESTERN SECTIONS OF LONGVIEW REPORTED 4.10 INCHES WITH 3.05 FALLING BETWEEN 4 PM AND MIDNIGHT. ALSO KILGORE REPORTED 3.00 INCHES AND GLADEWATER REPORTED 3.50 INCHES. . ADDITIONAL HEAVY RAINS WILL OCCUR OVER MAINLY EAST CENTRAL TEXAS INTO CENTRAL LOUISIANA WHERE THUNDERSTORMS WILL LIKELY DEVELOP. PRIOR TO THIS RAIN...AREA STREAMS WERE VERY LOW AND UPPER SOIL CONDITIONS WERE DRY. DUE TO THE NATURE OF THE RAINFALL AND PRIOR CONDITIONS THE FLASH FLOOD THREAT IS MINIMAL...HOWEVER HEAVY RAINFALL AMOUNTS WILL OCCUR OVER MAINLY THE SOUTHEAST HALF OF THE AREA OVER THE NEXT 12 HOURS..AND PONDING OF WATER IN LOW AREAS...STREET AND UNDERPASS FLOODING IS POSSIBLE. MOTORISTS ARE URGED TO USE CAUTION NOT ONLY DUE TO THE HEAVY RAINFALL BUT LOW VISIBILITIES IN RAIN AND FOG. A FLASH FLOOD WATCH REMAINED IN EFFECT FOR EAST TEXAS THROUGH THE NIGHT. THE TRAILING EDGE OF THE RAIN AREA EXTENDED FROM NEAR IDABEL OKLAHOMA TO NEAR PALESTINE TEXAS. THE PRECIPITAGTION EXTENDED ON EAST INTO WESTERN MISSISSIPPI. MOVEMENT WAS EAST NORTHEAST AT 35 TO 40 MILES AN HOUR.
The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 9, 6:20 AM CST | Flash Flood Warning | SHV | Harrison, Marion | 3 hr |
| Nov 9, 6:20 AM CST | Flash Flood Warning | SHV | Gregg | 3 hr |
Nearby
Flash Flood Warnings in Texas, 1990Every flash flood warning in 1990
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.