Alert archive / Oklahoma / Flash Flood Warnings in 1990

Flash Flood Warning 47, NWS Shreveport, LA

May 27, 1990McCurtain County, Oklahoma

NWS Shreveport, LA issued this flash flood warning at May 27, 1990, 7:16 AM CDT for McCurtain County, Oklahoma. It was in force for 119 min.

The area

The counties it named.

The facts

Issued
May 27, 1990, 7:16 AM CDT (12:16 UTC)
Expired
May 27, 1990, 9:15 AM CDT
In force
119 min
Issued by
NWS Shreveport, LA
Area
Whole counties

County McCurtain County, OK

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, 0.3 hours before the alert went out and 197 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.

Skew-T log-pSkew-T log-p diagram, Longview/Gregg, TX at 12:00Z on 1990-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2613 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Longview/Gregg, TX at 12:00Z on 1990-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 99 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
2613 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
561 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
99 m²/s²
0-3 km storm-relative helicity
117 m²/s²
Significant tornado parameter
1.7
Supercell composite
6.7

Open this sounding in Storm Lab

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, May 27, 4:34 AM CDT, 2 hours 42 minutes before
OKZ026-TXZ022-023-027-028-032-033-ARZ009-010-011-016-LAZ001-002-
003-004-005-006-271100-

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
425 AM CDT SUN MAY 27 1990

...THE SEVERE THUNDERSTORM WARNING ISSUED EARLIER FOR PIKE..HOWARD..
SEVIER AND LITTLE RIVER COUNTIES IN SOUTHWEST ARKANSAS AND FOR BOWIE
COUNTY IN NORTHEAST TEXAS HAS EXPIRED...

AT 420 AM CDT THE NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT SHOWED
A LINE OF THUNDERSTORMS THE LEADING EDGE OF WHICH EXTENDED FROM NEAR
MALVERN ARKANSAS TO SOUTHEAST OF HOPE TO TEXARKANA ARKANSAS TO NEAR
LINDEN TEXAS. MOVEMENT WAS EAST SOUTHEAST NEAR 35 MILES AN HOUR.

WITHIN THE LINE HEAVY RAINS..PEA SIZE HAIL..GUSTY WINDS OF 35 TO 45 MPH
AND FREQUENT LIGHTNING WERE NOTED FROM SOUTHWEST OF ARKADELPHIA ACROSS
PRESCOTT ARKANSAS TO WEST OF DOUGLASVILLE TEXAS.

ALSO...A 50 MILE WIDE AREA OF SHOWERS AND THUNDERSTORMS EXTENDED FROM
NEAR CASTOR LOUISIANA ACROSS CENTER TEXAS TO NEAR PALESTINE TEXAS.
THUNDERSTORMS THAT WERE PRODUCING GUSTY WINDS AND HEAVY RAINS WERE
LOCATED NORTH OF CENTER TEXAS AND EAST OF PALESTINE TEXAS. MOVEMENT
WAS EAST SOUTHEAST NEAR 20 MILES AN HOUR.

ALSO...A 50 MILE WIDE AREA OF SHOWERS WAS OBSERVED THAT EXTENDED FROM
NEAR OAK GROVE LOUISIANA ACROSS THE MONROE AREA TO NEAR COLFAX
LOUISIANA. MOVEMENT WAS EAST NEAR 20 MILES AN HOUR.

AN ISOLATED SEVERE THUNDERSTORM WAS LOCATED NEAR PARIS TEXAS.

SEVERE THUNDERSTORM WATCHES REMAINED IN EFFECT THIS MORNING FOR PARTS
OF NORTHEAST TEXAS...NORTH LOUISIANA AND SOUTHERN ARKANSAS. ALSO A
FLASH FLOOD WATCH WAS IN EFFECT FOR A PART OF NORTHEAST TEXAS. ALONG
WITH THE THREAT FOR HIGH WINDS AND HAIL...HEAVY RAINS ARE LIKELY
THROUGH TONIGHT IN PARTS OF THE AREA.
Special weather statement, May 27, 4:42 AM CDT, 2 hours 34 minutes before
OKZ026-TXZ022-023-027-028-032-033-ARZ009-010-011-016-LAZ001-002-
003-004-005-006-271100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
425 AM CDT SUN MAY 27 1990

...THE SEVERE THUNDERSTORM WARNING ISSUED EARLIER FOR PIKE..HOWARD..
SEVIER AND LITTLE RIVER COUNTIES IN SOUTHWEST ARKANSAS AND FOR BOWIE
COUNTY IN NORTHEAST TEXAS HAS EXPIRED...

AT 420 AM CDT THE NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT SHOWED
A LINE OF THUNDERSTORMS THE LEADING EDGE OF WHICH EXTENDED FROM NEAR
MALVERN ARKANSAS TO SOUTHEAST OF HOPE TO TEXARKANA ARKANSAS TO NEAR
LINDEN TEXAS. MOVEMENT WAS EAST SOUTHEAST NEAR 35 MILES AN HOUR.

WITHIN THE LINE HEAVY RAINS..PEA SIZE HAIL..GUSTY WINDS OF 35 TO 45 MPH
AND FREQUENT LIGHTNING WERE NOTED FROM SOUTHWEST OF ARKADELPHIA ACROSS
PRESCOTT ARKANSAS TO WEST OF DOUGLASVILLE TEXAS.

ALSO...A 50 MILE WIDE AREA OF SHOWERS AND THUNDERSTORMS EXTENDED FROM
NEAR CASTOR LOUISIANA ACROSS CENTER TEXAS TO NEAR PALESTINE TEXAS.
THUNDERSTORMS THAT WERE PRODUCING GUSTY WINDS AND HEAVY RAINS WERE
LOCATED NORTH OF CENTER TEXAS AND EAST OF PALESTINE TEXAS. MOVEMENT
WAS EAST SOUTHEAST NEAR 20 MILES AN HOUR.

ALSO...A 50 MILE WIDE AREA OF SHOWERS WAS OBSERVED THAT EXTENDED FROM
NEAR OAK GROVE LOUISIANA ACROSS THE MONROE AREA TO NEAR COLFAX
LOUISIANA. MOVEMENT WAS EAST NEAR 20 MILES AN HOUR.

AN ISOLATED SEVERE THUNDERSTORM WAS LOCATED NEAR PARIS TEXAS.

SEVERE THUNDERSTORM WATCHES REMAINED IN EFFECT THIS MORNING FOR PARTS
OF NORTHEAST TEXAS...NORTH LOUISIANA AND SOUTHERN ARKANSAS. ALSO A
FLASH FLOOD WATCH WAS IN EFFECT FOR A PART OF NORTHEAST TEXAS. ALONG
WITH THE THREAT FOR HIGH WINDS AND HAIL...HEAVY RAINS ARE LIKELY
THROUGH TONIGHT IN PARTS OF THE AREA.
Special weather statement, May 27, 5:44 AM CDT, 1 hour 32 minutes before
OKZ026-TXZ022-023-027-028-032-033-ARZ009-010-011-016-LAZ001-002-
003-004-005-006-271200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
540 AM CDT SUN MAY 27 1990

...SEVERE THUNDERSTORM WATCHES REMAINED IN EFFECT FOR PARTS OF SOUTH
ARKANSAS..NORTHEAST TEXAS AND NORTH LOUISIANA ALONG AND AHEAD OF LINE
OF THUNDERSTORMS THAT EXTENDED FROM NEAR MONTICELLO ARKANSAS TO NORTH
OF EL DORADO ARKANSAS TO PLAIN DEALING LOUISIANA TO NEAR JEFFERSON
TEXAS...

AT 535 AM CDT THE NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT SHOWED
A 70 MILE WIDE BAND OF SHOWERS AND THUNDERSTORMS THAT EXTENDED FROM
NEAR PINE BLUFF ARKANSAS ACROSS CAMDEN ARKANSAS TO NEAR JEFFERSON
TEXAS. MOVEMENT WAS EAST SOUTHEAST NEAR 35 MILES AN HOUR.

WITHIN THE AREA HEAVY RAINS..PEA SIZE HAIL..GUSTY WINDS OF 35 TO 45 MPH
AND FREQUENT LIGHTNING WERE NOTED FROM COTTON VALLEY LOUISIANA TO
SPRINGHILL LOUISIANA AND FROM ELDORADO ARKANSAS TO WALLACE ARKANSAS.
IN THE WAKE OF THIS SYSTEM...SHOWERS AND THUNDERSTORMS WERE
REDEVELOPING FROM NEAR KIRBY ARKANSAS TO NEAR BETHEL OKLAHOMA.
ALSO...ISOLATED THUNDERSTORMS WERE ALONG THE RED RIVER SOUTH OF
HAWORTH OKLAHOMA AND NORTHWEST OF SULPHUR SPRINGS TEXAS. SOME
OF THESE STORMS WERE PRODUCING GUSTY WINDS AND HEAVY RAINS.

TO THE SOUTH...A 50 MILE WIDE AREA OF DIMINISHING SHOWERS AND
THUNDERSTORMS WAS NOTED FROM NEAR WINNFIELD LOUISIANA ACROSS TOLEDO
BEND RESERVOIR TO NEAR NACOGDOCHES TEXAS. MOVEMENT WAS SOUTHEAST
NEAR 20 MILES AN HOUR.

ALONG WITH THE THREAT FOR HIGH WINDS AND HAIL...HEAVY RAINS ARE
LIKELY THROUGH TONIGHT OVER PARTS OF THE AREA.
Special weather statement, May 27, 5:52 AM CDT, 1 hour 24 minutes before
OKZ026-TXZ022-023-027-028-032-033-ARZ009-010-011-016-LAZ001-002-
003-004-005-006-271200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
540 AM CDT SUN MAY 27 1990

...SEVERE THUNDERSTORM WATCHES REMAINED IN EFFECT FOR PARTS OF SOUTH
ARKANSAS..NORTHEAST TEXAS AND NORTH LOUISIANA ALONG AND AHEAD OF LINE
OF THUNDERSTORMS THAT EXTENDED FROM NEAR MONTICELLO ARKANSAS TO NORTH
OF EL DORADO ARKANSAS TO PLAIN DEALING LOUISIANA TO NEAR JEFFERSON
TEXAS...

AT 535 AM CDT THE NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT SHOWED
A 70 MILE WIDE BAND OF SHOWERS AND THUNDERSTORMS THAT EXTENDED FROM
NEAR PINE BLUFF ARKANSAS ACROSS CAMDEN ARKANSAS TO NEAR JEFFERSON
TEXAS. MOVEMENT WAS EAST SOUTHEAST NEAR 35 MILES AN HOUR.

WITHIN THE AREA HEAVY RAINS..PEA SIZE HAIL..GUSTY WINDS OF 35 TO 45 MPH
AND FREQUENT LIGHTNING WERE NOTED FROM COTTON VALLEY LOUISIANA TO
SPRINGHILL LOUISIANA AND FROM ELDORADO ARKANSAS TO WARREN ARKANSAS.
IN THE WAKE OF THIS SYSTEM...SHOWERS AND THUNDERSTORMS WERE
REDEVELOPING FROM NEAR KIRBY ARKANSAS TO NEAR BETHEL OKLAHOMA.
ALSO...ISOLATED THUNDERSTORMS WERE ALONG THE RED RIVER SOUTH OF
HAWORTH OKLAHOMA AND NORTHWEST OF SULPHUR SPRINGS TEXAS. SOME
OF THESE STORMS WERE PRODUCING GUSTY WINDS AND HEAVY RAINS.

TO THE SOUTH...A 50 MILE WIDE AREA OF DIMINISHING SHOWERS AND
THUNDERSTORMS WAS NOTED FROM NEAR WINNFIELD LOUISIANA ACROSS TOLEDO
BEND RESERVOIR TO NEAR NACOGDOCHES TEXAS. MOVEMENT WAS SOUTHEAST
NEAR 20 MILES AN HOUR.

ALONG WITH THE THREAT FOR HIGH WINDS AND HAIL...HEAVY RAINS ARE
LIKELY THROUGH TONIGHT OVER PARTS OF THE AREA.
Special weather statement, May 27, 6:48 AM CDT, 28 minutes before
OKZ026-TXZ022-023-027-028-032-033-ARZ009-010-011-016-LAZ001-002-
003-004-005-006-271300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
645 AM CDT SUN MAY 27 1990

...SEVERE THUNDERSTORM WATCHES REMAINED IN EFFECT FOR PARTS OF SOUTH
ARKANSAS AND NORTH LOUISIANA..BUT THE WATCH FOR NORTHEAST TEXAS HAS
BEEN CANCELLED...

AT 640 AM CDT THE NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT SHOWED
A 60 MILE WIDE BAND OF SHOWERS AND THUNDERSTORMS THAT EXTENDED FROM
NEAR MANSFIELD LOUISIANA ACROSS MINDEN LOUISIANA AND EL DORADO ARKANSAS
TO NEAR SHERIDAN ARKANSAS. MOVEMENT WAS EAST SOUTHEAST NEAR 35 MILES AN
HOUR.

WITHIN THE AREA HEAVY RAINS..PEA SIZE HAIL..GUSTY WINDS OF 35 TO 45 MPH
AND FREQUENT LIGHTNING WERE NOTED FROM EAST OF HOMER LOUISIANA TO
SOUTHWEST OF ELDORADO ARKANSAS.
.
IN THE WAKE OF THIS SYSTEM...SHOWERS AND THUNDERSTORMS WERE
REDEVELOPING IN A 30 MILE WIDE AREA FROM NEAR ANTOINE ARKANSAS
ACROSS LAKE GREESON AND SMITHVILLE OKLAHOMA TO NEAR MCALESTER
OKLAHOMA. WITHIN THIS AREA A THUNDERSTORM THAT WAS PRODUCING
GUSTY WINDS...HEAVY RAINS AND FREQUENT LIGHTNING WAS NOTED SOUTH
OF SMITHVILLE OKLAHOMA. MOVEMENT WAS EAST SOUTHEAST NEAR 35 MILES
AN HOUR.

LOW AREA FLOODING MAY DEVELOP IN THE AREAS THAT RECEIVED ONE TO
TWO INCH TOTALS DURING THE WEE HOURS AND THAT THUNDERSTORMS ONCE
AGAIN AFFECT THIS MORNING.

ANOTHER AREA ABOUT 50 MILES WIDE OF SHOWERS AND THUNDERSHOWERS WAS
WAS NOTED FROM NEAR GEORGETOWN LOUISIANA ACROSS BASTROP LOUISIANA
TO NEAR LAKE VILLAGE ARKANSAS. MOVEMENT WAS EAST NEAR 20 MILES
AN HOUR.

ALSO ISOLATED SHOWERS LINGERED EAST OF LUFKIN TEXAS.

ALONG WITH THE THREAT FOR HIGH WINDS AND HAIL...HEAVY RAINS ARE
LIKELY THROUGHE TONIGHT OVER PARTS OF THE AREA.

The office that day

Everything else NWS Shreveport, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 27, 1:35 AM CDTSevere Thunderstorm WarningSHVMcCurtain115 min
May 27, 2:36 AM CDTSevere Thunderstorm WarningSHVMcCurtain54 min

Nearby

Flash Flood Warnings in Oklahoma, 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.